dev-13 wrapping up final build with new qhull

dev-13 build only what is needed in qhull
dev-13 adding back makefile?
2026-06-04 20:04:22 +08:00 · 2018-07-23 21:53:46 +00:00 · 2018-07-23 23:35:41 +02:00 · 2018-07-23 23:30:38 +02:00 · 2018-07-23 23:20:39 +02:00 · 2018-07-23 23:14:29 +02:00
316 changed files with 114512 additions and 1187 deletions
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Download the sources from github via the website or using git clone and then bui


 ```
-git clone https://github.com/Discngine/fpocket.git .
+git clone https://github.com/Discngine/fpocket.git
 cd fpocket
 make 
 sudo make install
--- a/data/sample/5WA6.pdb
+++ b/data/sample/5WA6.pdb
--- a/headers/voronoi.h
+++ b/headers/voronoi.h
@@ -28,8 +28,8 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 #include "utils.h"


-#include "../src/qhull/qvoronoi.h"
-#include "../src/qhull/qconvex.h"
+#include "../src/qhull/src//qvoronoi/qvoronoi.h"
+#include "../src/qhull/src/qconvex/qconvex.h"

 #include "memhandler.h"

--- a/34
+++ b/34
@@ -11,7 +11,7 @@ PATH_SRC    = src/
 PATH_HEADER = headers/
 PATH_BIN    = bin/
 PATH_MAN    = man/
-PATH_QHULL  = src/qhull/
+PATH_QHULL  = src/qhull/src

 BINDIR  = /usr/local/bin/
 MANDIR  = /usr/local/man/man8/
@@ -43,15 +43,16 @@ LFLAGS	    = -lm -L$(PLUGINDIR)/$(ARCH)/molfile $(PLUGINDIR)/$(ARCH)/molfile/lib
 #------------------------------------------------------------
 # BINARIES OBJECTS 
 #------------------------------------------------------------
+#QOBJS = $(PATH_QHULL)/src/qvoronoi/qvoronoi.o $(PATH_QHULL)/src/qconvex/qconvex.o

-QOBJS = $(PATH_QHULL)geom2.o $(PATH_QHULL)geom.o $(PATH_QHULL)global.o \
-        $(PATH_QHULL)io.o $(PATH_QHULL)io.h $(PATH_QHULL)libqhull.o \
-        $(PATH_QHULL)mem.o $(PATH_QHULL)merge.o $(PATH_QHULL)poly2.o \
-        $(PATH_QHULL)poly.o $(PATH_QHULL)qset.o \
-        $(PATH_QHULL)random.o $(PATH_QHULL)rboxlib.o \
-        $(PATH_QHULL)stat.o $(PATH_QHULL)user.o \
-        $(PATH_QHULL)usermem.o \
-        $(PATH_QHULL)userprintf.o $(PATH_QHULL)qvoronoi.o $(PATH_QHULL)qconvex.o
+QOBJS = $(PATH_QHULL)/libqhull/geom2.o $(PATH_QHULL)/libqhull/geom.o $(PATH_QHULL)/libqhull/global.o \
+        $(PATH_QHULL)/libqhull/io.o $(PATH_QHULL)/libqhull/io.h $(PATH_QHULL)/libqhull/libqhull.o \
+        $(PATH_QHULL)/libqhull/mem.o $(PATH_QHULL)/libqhull/merge.o $(PATH_QHULL)/libqhull/poly2.o \
+        $(PATH_QHULL)/libqhull/poly.o $(PATH_QHULL)/libqhull/qset.o \
+        $(PATH_QHULL)/libqhull/random.o $(PATH_QHULL)/libqhull/rboxlib.o \
+        $(PATH_QHULL)/libqhull/stat.o $(PATH_QHULL)/libqhull/user.o \
+        $(PATH_QHULL)/libqhull/usermem.o \
+        $(PATH_QHULL)/libqhull/userprintf.o $(PATH_QHULL)/libqhull/userprintf_rbox.o $(PATH_QHULL)/qvoronoi/qvoronoi.o $(PATH_QHULL)/qconvex/qconvex.o

 CHOBJ = $(PATH_OBJ)check.o $(PATH_OBJ)psorting.o $(PATH_OBJ)pscoring.o \
 		$(PATH_OBJ)utils.o $(PATH_OBJ)pertable.o $(PATH_OBJ)memhandler.o \
@@ -62,7 +63,7 @@ CHOBJ = $(PATH_OBJ)check.o $(PATH_OBJ)psorting.o $(PATH_OBJ)pscoring.o \
 		$(PATH_OBJ)fpocket.o $(PATH_OBJ)write_visu.o  $(PATH_OBJ)fpout.o \
 		$(PATH_OBJ)atom.o $(PATH_OBJ)writepocket.o $(PATH_OBJ)voronoi_lst.o \
 		$(PATH_OBJ)neighbor.o $(PATH_OBJ)asa.o $(PATH_OBJ)clusterlib.o $(PATH_OBJ)energy.o \
-		$(QOBJS)
+		

 FPOBJ = $(PATH_OBJ)fpmain.o $(PATH_OBJ)psorting.o $(PATH_OBJ)pscoring.o \
 		$(PATH_OBJ)utils.o $(PATH_OBJ)pertable.o $(PATH_OBJ)memhandler.o \
@@ -85,7 +86,7 @@ TPOBJ = $(PATH_OBJ)tpmain.o $(PATH_OBJ)psorting.o $(PATH_OBJ)pscoring.o \
 		$(PATH_OBJ)fpout.o $(PATH_OBJ)atom.o $(PATH_OBJ)writepocket.o \
 		$(PATH_OBJ)voronoi_lst.o $(PATH_OBJ)neighbor.o $(PATH_OBJ)asa.o\
 		$(PATH_OBJ)clusterlib.o  $(PATH_OBJ)energy.o $(PATH_OBJ)topology.o\
-		$(QOBJS)
+		$(PATH_QHULL)/qvoronoi/qvoronoi.o $(PATH_QHULL)/qconvex/qconvex.o

 DPOBJ = $(PATH_OBJ)dpmain.o $(PATH_OBJ)psorting.o $(PATH_OBJ)pscoring.o \
 		$(PATH_OBJ)dpocket.o $(PATH_OBJ)dparams.o  $(PATH_OBJ)voronoi.o \
@@ -127,8 +128,14 @@ $(PATH_OBJ)%.o: $(PATH_SRC)%.cpp
 # RULES FOR EXECUTABLES
 #-----------------------------------------------------------

-all: $(MYPROGS) # $(PATH_BIN)$(CHECK)
-		
+all: 
+	make qhull
+	make fpocket
+fpocket: $(MYPROGS) # $(PATH_BIN)$(CHECK)
+
+qhull:
+	cd src/qhull/ && make
+
 $(PATH_BIN)$(CHECK): $(CHOBJ) $(QOBJS)
 	$(LINKER) $^ -o $@ $(LFLAGS)

@@ -166,6 +173,7 @@ clean:
 	rm -f $(PATH_BIN)$(TPOCKET)
 	rm -f $(PATH_BIN)$(DPOCKET)
 	rm -f $(PATH_BIN)$(MDPOCKET)
+	cd src/qhull && make clean

 uninstall:
 	rm -f $(PATH_BIN)$(FPOCKET) $(BINDIR)$(FPOCKET)
--- a/src/qhull/Announce.txt
+++ b/src/qhull/Announce.txt
@@ -0,0 +1,47 @@
+
+ Qhull 2015.2  2016/01/18
+
+        http://www.qhull.org
+        git@github.com:qhull/qhull.git
+        http://www.geomview.org
+
+Qhull computes convex hulls, Delaunay triangulations, Voronoi diagrams,
+furthest-site Voronoi diagrams, and halfspace intersections about a point.
+It runs in 2-d, 3-d, 4-d, or higher.  It implements the Quickhull algorithm
+for computing convex hulls.   Qhull handles round-off errors from floating
+point arithmetic.  It can approximate a convex hull.
+
+The program includes options for hull volume, facet area, partial hulls,
+input transformations, randomization, tracing, multiple output formats, and
+execution statistics.  The program can be called from within your application.
+You can view the results in 2-d, 3-d and 4-d with Geomview.
+
+To download Qhull:
+        http://www.qhull.org/download
+        git@github.com:qhull/qhull.git
+ 
+Download qhull-96.ps for:
+
+        Barber, C. B., D.P. Dobkin, and H.T. Huhdanpaa, "The
+        Quickhull Algorithm for Convex Hulls," ACM Trans. on
+        Mathematical Software, 22(4):469-483, Dec. 1996.
+        http://www.acm.org/pubs/citations/journals/toms/1996-22-4/p469-barber/
+        http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.117.405
+
+Abstract:
+
+The convex hull of a set of points is the smallest convex set that contains
+the points.  This article presents a practical convex hull algorithm that
+combines the two-dimensional Quickhull Algorithm with  the general dimension
+Beneath-Beyond Algorithm.  It is similar to the randomized, incremental
+algorithms for convex hull and Delaunay triangulation.  We provide empirical
+evidence that the algorithm runs faster when the input contains non-extreme
+points, and that it uses less memory.
+
+Computational geometry algorithms have traditionally assumed that input sets
+are well behaved.  When an algorithm is implemented with floating point
+arithmetic, this assumption can lead to serious errors.  We briefly describe
+a solution to this problem when computing the convex hull in two, three, or
+four dimensions.  The output is a set of "thick" facets that contain all
+possible exact convex hulls of the input.   A variation is effective in five
+or more dimensions.
--- a/src/qhull/CMakeLists.txt
+++ b/src/qhull/CMakeLists.txt
@@ -0,0 +1,426 @@
+# CMakeLists.txt -- CMake configuration file for qhull, qhull6, and related programs
+#
+# To install CMake
+#   Download from http://www.cmake.org/download/
+#
+# To find the available targets for CMake -G "..."
+#   cmake --help
+#
+# To build with MSYS/mingw
+#   cd build && cmake -G "MSYS Makefiles" .. && cmake ..
+#   make
+#   make install
+#
+# To uninstall on unix or MSYS/mingw
+#   xargs rm <build/install_manifest.txt
+#
+# To build Qhull with Visual Studio projects, run cmake twice
+#   To install bin/doc/include/lib in the current directory
+#      mkdir -p build-cmake && cd build-cmake && cmake -G "Visual Studio 11 2012" .. && cmake -DCMAKE_INSTALL_PREFIX=.. ..
+#      mkdir -p build-cmake && cd build-cmake && cmake -G "Visual Studio 11 2012 Win64" .. && cmake -DCMAKE_INSTALL_PREFIX=.. ..
+#   To install into Program Files/qhull
+#      mkdir -p build-cmake && cd build-cmake && cmake -G "Visual Studio 11 2012" .. && cmake ..
+#      mkdir -p build-cmake && cd build-cmake && cmake -G "Visual Studio 11 2012 Win64" .. && cmake ..
+#   To build for Visual Studio 2005 and install into Program Files/qhull
+#      mkdir -p build-cmake && cd build-cmake && cmake -G "Visual Studio 8 2005" .. && cmake  ..
+#      mkdir -p build-cmake && cd build-cmake && cmake -G "Visual Studio 8 2005 Win64" .. && cmake  ..
+#   Double click build-cmake/qhull-all.sln
+#   Build INSTALL to copy files into C:/Program Files/qhull
+#
+# Additional build targets
+#   qhullp -- Same as qhull using qh_QHpointer and deprecated libqhull_p
+#   user_egp -- Same as user_eg using qh_QHpointer and deprecated libqhull_p
+#
+# Notes on Visual Studio projects
+#   You may need to copy bin/msvcr80.dll into C:/Program Files/qhull/bin
+#   If using library debug targets, please rename with '_d' (e.g., qhullstatic_d.lib)
+# 
+# Troubleshooting
+#   "No CMAKE_C_COMPILER could be found"
+#     cmake was not able to find the build environment specified (e.g., Visual Studio 11)
+# 
+# To uninstall on Windows
+#   Delete C:/Program Files/qhull
+#
+# If creating a qhull package, please include a pkg-config file based on build/qhull*.pc.in
+#
+# For qhulltest, use the Qt build (src/qhull-all.pro)
+#
+# Qhull ships with cmake-derived sln and proj files for DevStudio 8 2005
+#   See eg/make-vcproj.sh
+#   Change to relative paths
+#   Remove ZERO_CHECK, ALL_BUILD, and INSTALL projects
+#   Change targets to bin/ and lib/ directories
+#   Disable incremental linking and ilk files (LinkIncremental="1")
+#   Disable Run-Time Type Info (rtti)
+#   Remove src/libqhullcpp from most of the AdditionalIncludeDirectories
+#   Remove CMAKE_INTDIR from PreprocessorDefinitions
+#   Adjust target names and destinations (e.g., lib/libqhullstatic_rd.a)
+#  
+# $Id: //main/2015/qhull/CMakeLists.txt#8 $$Change: 2066 $
+# $DateTime: 2016/01/18 19:29:17 $$Author: bbarber $
+
+project(qhull)
+cmake_minimum_required(VERSION 2.6)
+
+# Define qhull_VERSION in CMakeLists.txt, Makefile, qhull-exports.def, qhull_p-exports.def, qhull_r-exports.def, qhull-warn.pri
+set(qhull_VERSION2 "2015.2 2016/01/18")  # not used, See global.c, global_r.c, rbox.c, rbox_r.c
+set(qhull_VERSION     "7.2.0")  # Advance every release
+
+# SOVERSION -- qhull 2003 = empty, 2009 = 5, 2010-2012 = 6, 2015 (reentrant) = 7
+set(qhull_SOVERSION 7) # For SOVERSION 
+
+include(CMakeModules/CheckLFS.cmake)
+option(WITH_LFS "Enable Large File Support" ON)
+check_lfs(WITH_LFS)
+
+if(INCLUDE_INSTALL_DIR)
+else()
+set(INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include)
+endif()
+if(LIB_INSTALL_DIR)
+else()
+set(LIB_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/lib)
+endif()
+if(BIN_INSTALL_DIR)
+else()
+set(BIN_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/bin)
+endif()
+if(MAN_INSTALL_DIR)
+else()
+    if(WIN32)
+        set(MAN_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/man/man1)
+    else()
+        set(MAN_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/share/man/man1)
+    endif()
+endif()
+if(DOC_INSTALL_DIR)
+else()
+    if(WIN32)
+        set(DOC_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/doc)
+    else()
+        set(DOC_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/share/doc/qhull)
+    endif()
+endif()
+message(STATUS)
+message(STATUS "========== qhull Build Information ==========")
+message(STATUS "Build Version:                             ${qhull_VERSION}")
+message(STATUS "Install Prefix (CMAKE_INSTALL_PREFIX):     ${CMAKE_INSTALL_PREFIX}")
+message(STATUS "Binary Directory (BIN_INSTALL_DIR):        ${BIN_INSTALL_DIR}")
+message(STATUS "Library Directory (LIB_INSTALL_DIR):       ${LIB_INSTALL_DIR}")
+message(STATUS "Include Directory (INCLUDE_INSTALL_DIR):   ${INCLUDE_INSTALL_DIR}")
+message(STATUS "Documentation Directory (DOC_INSTALL_DIR): ${DOC_INSTALL_DIR}")
+message(STATUS "Man Pages Directory (MAN_INSTALL_DIR):     ${MAN_INSTALL_DIR}")
+message(STATUS "Build Type (CMAKE_BUILD_TYPE):             ${CMAKE_BUILD_TYPE}")
+message(STATUS "To override these options, add -D{OPTION_NAME}=... to the cmake command")
+message(STATUS "  Build the debug targets                  -DCMAKE_BUILD_TYPE=Debug")
+message(STATUS)
+message(STATUS "To build and install qhull, enter \"make\" and \"make install\"")
+message(STATUS "To smoketest qhull, enter \"ctest\"")
+message(STATUS)
+
+
+# ---------------------------------------
+# Define library source files and variables
+#
+# Files for individual targets are defined with the target
+# ---------------------------------------
+
+# Order libqhull object files by frequency of execution.  Small files at end.
+
+# Non-reentrant Qhull
+set(
+    libqhull_HEADERS
+        src/libqhull/libqhull.h
+        src/libqhull/geom.h
+        src/libqhull/io.h
+        src/libqhull/mem.h
+        src/libqhull/merge.h
+        src/libqhull/poly.h
+        src/libqhull/qhull_a.h
+        src/libqhull/qset.h
+        src/libqhull/random.h
+        src/libqhull/stat.h
+        src/libqhull/user.h
+)
+set(
+    libqhull_SOURCES
+        src/libqhull/global.c
+        src/libqhull/stat.c
+        src/libqhull/geom2.c
+        src/libqhull/poly2.c
+        src/libqhull/merge.c
+        src/libqhull/libqhull.c
+        src/libqhull/geom.c
+        src/libqhull/poly.c
+        src/libqhull/qset.c
+        src/libqhull/mem.c
+        src/libqhull/random.c
+        src/libqhull/usermem.c
+        src/libqhull/userprintf.c
+        src/libqhull/io.c
+        src/libqhull/user.c
+        src/libqhull/rboxlib.c
+        src/libqhull/userprintf_rbox.c
+        ${libqhull_HEADERS}
+)
+
+set(
+    libqhull_DOC
+        src/libqhull/index.htm
+        src/libqhull/qh-geom.htm
+        src/libqhull/qh-globa.htm
+        src/libqhull/qh-io.htm
+        src/libqhull/qh-mem.htm
+        src/libqhull/qh-merge.htm
+        src/libqhull/qh-poly.htm
+        src/libqhull/qh-qhull.htm
+        src/libqhull/qh-set.htm
+        src/libqhull/qh-stat.htm
+        src/libqhull/qh-user.htm    
+        src/libqhull/DEPRECATED.txt    
+)
+
+set(
+    testqset_HEADERS
+        src/libqhull/mem.h
+        src/libqhull/qset.h
+)
+set(
+    testqset_SOURCES
+        src/libqhull/qset.c
+        src/libqhull/mem.c
+        src/libqhull/usermem.c
+        src/testqset/testqset.c
+        ${testqset_HEADERS}
+)
+
+# Reeentrant Qhull
+
+set(
+    libqhullr_HEADERS
+        src/libqhull_r/libqhull_r.h
+        src/libqhull_r/geom_r.h
+        src/libqhull_r/io_r.h
+        src/libqhull_r/mem_r.h
+        src/libqhull_r/merge_r.h
+        src/libqhull_r/poly_r.h
+        src/libqhull_r/qhull_ra.h
+        src/libqhull_r/qset_r.h
+        src/libqhull_r/random_r.h
+        src/libqhull_r/stat_r.h
+        src/libqhull_r/user_r.h
+)
+set(
+    libqhullr_SOURCES
+        src/libqhull_r/global_r.c
+        src/libqhull_r/stat_r.c
+        src/libqhull_r/geom2_r.c
+        src/libqhull_r/poly2_r.c
+        src/libqhull_r/merge_r.c
+        src/libqhull_r/libqhull_r.c
+        src/libqhull_r/geom_r.c
+        src/libqhull_r/poly_r.c
+        src/libqhull_r/qset_r.c
+        src/libqhull_r/mem_r.c
+        src/libqhull_r/random_r.c
+        src/libqhull_r/usermem_r.c
+        src/libqhull_r/userprintf_r.c
+        src/libqhull_r/io_r.c
+        src/libqhull_r/user_r.c
+        src/libqhull_r/rboxlib_r.c
+        src/libqhull_r/userprintf_rbox_r.c
+        ${libqhullr_HEADERS}
+)
+
+set(
+    libqhullr_DOC
+        src/libqhull_r/index.htm
+        src/libqhull_r/qh-geom_r.htm
+        src/libqhull_r/qh-globa_r.htm
+        src/libqhull_r/qh-io_r.htm
+        src/libqhull_r/qh-mem_r.htm
+        src/libqhull_r/qh-merge_r.htm
+        src/libqhull_r/qh-poly_r.htm
+        src/libqhull_r/qh-qhull_r.htm
+        src/libqhull_r/qh-set_r.htm
+        src/libqhull_r/qh-stat_r.htm
+        src/libqhull_r/qh-user_r.htm    
+)
+
+set(
+    testqsetr_HEADERS
+        src/libqhull_r/mem_r.h
+        src/libqhull_r/qset_r.h
+)
+set(
+    testqsetr_SOURCES
+        src/libqhull_r/qset_r.c
+        src/libqhull_r/mem_r.c
+        src/libqhull_r/usermem_r.c
+        src/testqset_r/testqset_r.c
+        ${testqsetr_HEADERS}
+)
+
+# C++ interface to reentrant Qhull
+
+set(
+    libqhullcpp_HEADERS
+        src/libqhullcpp/Coordinates.h
+        src/libqhullcpp/functionObjects.h
+        src/libqhullcpp/PointCoordinates.h
+        src/libqhullcpp/Qhull.h
+        src/libqhullcpp/QhullError.h
+        src/libqhullcpp/QhullFacet.h
+        src/libqhullcpp/QhullFacetList.h
+        src/libqhullcpp/QhullFacetSet.h
+        src/libqhullcpp/QhullHyperplane.h
+        src/libqhullcpp/QhullIterator.h
+        src/libqhullcpp/QhullLinkedList.h
+        src/libqhullcpp/QhullPoint.h
+        src/libqhullcpp/QhullPoints.h
+        src/libqhullcpp/QhullPointSet.h
+        src/libqhullcpp/QhullQh.h
+        src/libqhullcpp/QhullRidge.h
+        src/libqhullcpp/QhullSet.h
+        src/libqhullcpp/QhullSets.h
+        src/libqhullcpp/QhullStat.h
+        src/libqhullcpp/QhullVertex.h
+        src/libqhullcpp/QhullVertexSet.h
+        src/libqhullcpp/RboxPoints.h
+        src/libqhullcpp/RoadError.h
+        src/libqhullcpp/RoadLogEvent.h
+        src/qhulltest/RoadTest.h
+)
+
+set(
+    libqhullcpp_SOURCES
+        src/libqhullcpp/Coordinates.cpp
+        src/libqhullcpp/PointCoordinates.cpp
+        src/libqhullcpp/Qhull.cpp
+        src/libqhullcpp/QhullFacet.cpp
+        src/libqhullcpp/QhullFacetList.cpp
+        src/libqhullcpp/QhullFacetSet.cpp
+        src/libqhullcpp/QhullHyperplane.cpp
+        src/libqhullcpp/QhullPoint.cpp
+        src/libqhullcpp/QhullPointSet.cpp
+        src/libqhullcpp/QhullPoints.cpp
+        src/libqhullcpp/QhullQh.cpp
+        src/libqhullcpp/QhullRidge.cpp
+        src/libqhullcpp/QhullSet.cpp
+        src/libqhullcpp/QhullStat.cpp
+        src/libqhullcpp/QhullVertex.cpp
+        src/libqhullcpp/QhullVertexSet.cpp
+        src/libqhullcpp/RboxPoints.cpp
+        src/libqhullcpp/RoadError.cpp
+        src/libqhullcpp/RoadLogEvent.cpp
+        ${libqhullcpp_HEADERS}
+)
+
+# Documentation files (index.htm refers to html/...)
+
+set(
+    doc_FILES
+        README.txt 
+        REGISTER.txt 
+        Announce.txt 
+        COPYING.txt 
+        index.htm
+)
+
+include_directories(${CMAKE_SOURCE_DIR}/src)
+
+if(CMAKE_BUILD_TYPE MATCHES "[dD]ebug")
+    set(qhull_CPP qhullcpp_d)
+    set(qhull_SHARED qhull_d) 
+    set(qhull_SHAREDP qhull_pd)
+    set(qhull_SHAREDR qhull_rd)
+    set(qhull_STATIC qhullstatic_d)
+    set(qhull_STATICR qhullstatic_rd)
+else()
+    set(qhull_CPP qhullcpp)
+    set(qhull_SHARED libqhull)  # Temporarily avoid name conflict with qhull executable
+    set(qhull_SHAREDP qhull_p)
+    set(qhull_SHAREDR qhull_r)
+    set(qhull_STATIC qhullstatic)
+    set(qhull_STATICR qhullstatic_r)
+endif()
+
+
+
+# ---------------------------------------
+# Define static libraries qhullstatic (non-reentrant) and qhullstatic_r (reentrant)
+# ---------------------------------------
+
+add_library(${qhull_STATIC} STATIC ${libqhull_SOURCES})
+set_target_properties(${qhull_STATIC} PROPERTIES
+    VERSION ${qhull_VERSION})
+
+add_library(${qhull_STATICR} STATIC ${libqhullr_SOURCES})
+set_target_properties(${qhull_STATICR} PROPERTIES
+    VERSION ${qhull_VERSION})
+
+if(UNIX)
+    target_link_libraries(${qhull_STATIC} m)
+    target_link_libraries(${qhull_STATICR} m)
+endif(UNIX)
+
+# ---------------------------------------
+# Define C++ static library qhullcpp
+#     Do not create libqhullcpp as a shared library.  Qhull C++ classes may change layout and size. 
+# ---------------------------------------
+
+add_library(${qhull_CPP} STATIC ${libqhullcpp_SOURCES})
+set_target_properties(${qhull_CPP} PROPERTIES
+    VERSION ${qhull_VERSION})
+
+# ---------------------------------------
+# Define qhull executables linked to qhullstatic library
+#   qhull is linked to reentrant qhull (more flexible)
+#   the others are linked to non-reentrant qhull (somewhat faster)
+# ---------------------------------------
+
+set(qhull_SOURCES       src/qhull/unix_r.c)
+set(rbox_SOURCES        src/rbox/rbox.c)
+set(qconvex_SOURCES     src/qconvex/qconvex.c)
+set(qdelaunay_SOURCES   src/qdelaunay/qdelaun.c)
+set(qvoronoi_SOURCES    src/qvoronoi/qvoronoi.c)
+set(qhalf_SOURCES       src/qhalf/qhalf.c)
+
+add_executable(qhull ${qhull_SOURCES})
+target_link_libraries(qhull ${qhull_STATICR})
+
+add_executable(rbox ${rbox_SOURCES})
+target_link_libraries(rbox ${qhull_STATIC})
+
+add_executable(qconvex ${qconvex_SOURCES})
+target_link_libraries(qconvex ${qhull_STATIC})
+
+add_executable(qdelaunay ${qdelaunay_SOURCES})
+target_link_libraries(qdelaunay ${qhull_STATIC})
+
+add_executable(qvoronoi ${qvoronoi_SOURCES})
+target_link_libraries(qvoronoi ${qhull_STATIC})
+
+add_executable(qhalf ${qhalf_SOURCES})
+target_link_libraries(qhalf ${qhull_STATIC})
+
+
+# ---------------------------------------
+# Define install
+# ---------------------------------------
+
+install(TARGETS ${qhull_TARGETS_INSTALL}
+        RUNTIME DESTINATION ${BIN_INSTALL_DIR}
+        LIBRARY DESTINATION ${LIB_INSTALL_DIR}
+        ARCHIVE DESTINATION ${LIB_INSTALL_DIR})
+
+install(FILES ${libqhull_HEADERS}    DESTINATION ${INCLUDE_INSTALL_DIR}/libqhull)
+install(FILES ${libqhull_DOC}        DESTINATION ${INCLUDE_INSTALL_DIR}/libqhull)
+install(FILES ${libqhullr_HEADERS}    DESTINATION ${INCLUDE_INSTALL_DIR}/libqhull_r)
+install(FILES ${libqhullr_DOC}        DESTINATION ${INCLUDE_INSTALL_DIR}/libqhull_r)
+install(FILES ${libqhullcpp_HEADERS} DESTINATION ${INCLUDE_INSTALL_DIR}/libqhullcpp)
+install(FILES html/qhull.man         DESTINATION ${MAN_INSTALL_DIR} RENAME qhull.1)
+install(FILES html/rbox.man          DESTINATION ${MAN_INSTALL_DIR} RENAME rbox.1)
+install(FILES ${doc_FILES}           DESTINATION ${DOC_INSTALL_DIR})
+install(DIRECTORY html/              DESTINATION ${DOC_INSTALL_DIR})
--- a/src/qhull/CMakeModules/CheckLFS.cmake
+++ b/src/qhull/CMakeModules/CheckLFS.cmake
@@ -0,0 +1,109 @@
+## Checks for large file support ##
+include(CheckIncludeFile)
+include(CheckSymbolExists)
+include(CheckTypeSize)
+
+macro(check_lfs _isenable)
+  set(LFS_OFF_T "")
+  set(LFS_FOPEN "")
+  set(LFS_FSEEK "")
+  set(LFS_FTELL "")
+  set(LFS_PRID "")
+
+  if(${_isenable})
+    set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
+    set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
+        -D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64
+        -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS)
+
+    check_include_file("sys/types.h" HAVE_SYS_TYPES_H)
+    check_include_file("inttypes.h" HAVE_INTTYPES_H)
+    check_include_file("stddef.h" HAVE_STDDEF_H)
+    check_include_file("stdint.h" HAVE_STDINT_H)
+
+    # LFS type1: 8 <= sizeof(off_t), fseeko, ftello
+    check_type_size("off_t" SIZEOF_OFF_T)
+    if(SIZEOF_OFF_T GREATER 7)
+      check_symbol_exists("fseeko" "stdio.h" HAVE_FSEEKO)
+      check_symbol_exists("ftello" "stdio.h" HAVE_FTELLO)
+      if(HAVE_FSEEKO AND HAVE_FTELLO)
+        set(LFS_OFF_T "off_t")
+        set(LFS_FOPEN "fopen")
+        set(LFS_FSEEK "fseeko")
+        set(LFS_FTELL "ftello")
+        check_symbol_exists("PRIdMAX" "inttypes.h" HAVE_PRIDMAX)
+        if(HAVE_PRIDMAX)
+          set(LFS_PRID "PRIdMAX")
+        else(HAVE_PRIDMAX)
+          check_type_size("long" SIZEOF_LONG)
+          check_type_size("int" SIZEOF_INT)
+          if(SIZEOF_OFF_T GREATER SIZEOF_LONG)
+            set(LFS_PRID "\"lld\"")
+          elseif(SIZEOF_LONG GREATER SIZEOF_INT)
+            set(LFS_PRID "\"ld\"")
+          else(SIZEOF_OFF_T GREATER SIZEOF_LONG)
+            set(LFS_PRID "\"d\"")
+          endif(SIZEOF_OFF_T GREATER SIZEOF_LONG)
+        endif(HAVE_PRIDMAX)
+      endif(HAVE_FSEEKO AND HAVE_FTELLO)
+    endif(SIZEOF_OFF_T GREATER 7)
+
+    # LFS type2: 8 <= sizeof(off64_t), fopen64, fseeko64, ftello64
+    if(NOT LFS_OFF_T)
+      check_type_size("off64_t" SIZEOF_OFF64_T)
+      if(SIZEOF_OFF64_T GREATER 7)
+        check_symbol_exists("fopen64" "stdio.h" HAVE_FOPEN64)
+        check_symbol_exists("fseeko64" "stdio.h" HAVE_FSEEKO64)
+        check_symbol_exists("ftello64" "stdio.h" HAVE_FTELLO64)
+        if(HAVE_FOPEN64 AND HAVE_FSEEKO64 AND HAVE_FTELLO64)
+          set(LFS_OFF_T "off64_t")
+          set(LFS_FOPEN "fopen64")
+          set(LFS_FSEEK "fseeko64")
+          set(LFS_FTELL "ftello64")
+          check_symbol_exists("PRIdMAX" "inttypes.h" HAVE_PRIDMAX)
+          if(HAVE_PRIDMAX)
+            set(LFS_PRID "PRIdMAX")
+          else(HAVE_PRIDMAX)
+            check_type_size("long" SIZEOF_LONG)
+            check_type_size("int" SIZEOF_INT)
+            if(SIZEOF_OFF64_T GREATER SIZEOF_LONG)
+              set(LFS_PRID "\"lld\"")
+            elseif(SIZEOF_LONG GREATER SIZEOF_INT)
+              set(LFS_PRID "\"ld\"")
+            else(SIZEOF_OFF64_T GREATER SIZEOF_LONG)
+              set(LFS_PRID "\"d\"")
+            endif(SIZEOF_OFF64_T GREATER SIZEOF_LONG)
+          endif(HAVE_PRIDMAX)
+        endif(HAVE_FOPEN64 AND HAVE_FSEEKO64 AND HAVE_FTELLO64)
+      endif(SIZEOF_OFF64_T GREATER 7)
+    endif(NOT LFS_OFF_T)
+
+    # LFS type3: 8 <= sizeof(__int64), _fseeki64, _ftelli64
+    if(NOT LFS_OFF_T)
+      check_type_size("__int64" SIZEOF___INT64)
+      if(SIZEOF___INT64 GREATER 7)
+        check_symbol_exists("_fseeki64" "stdio.h" HAVE__FSEEKI64)
+        check_symbol_exists("_ftelli64" "stdio.h" HAVE__FTELLI64)
+        if(HAVE__FSEEKI64 AND HAVE__FTELLI64)
+          set(LFS_OFF_T "__int64")
+          set(LFS_FOPEN "fopen")
+          set(LFS_FSEEK "_fseeki64")
+          set(LFS_FTELL "_ftelli64")
+          set(LFS_PRID  "\"I64d\"")
+        endif(HAVE__FSEEKI64 AND HAVE__FTELLI64)
+      endif(SIZEOF___INT64 GREATER 7)
+    endif(NOT LFS_OFF_T)
+
+    set(CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
+  endif(${_isenable})
+
+  if(NOT LFS_OFF_T)
+    ## not found
+    set(LFS_OFF_T "long")
+    set(LFS_FOPEN "fopen")
+    set(LFS_FSEEK "fseek")
+    set(LFS_FTELL "ftell")
+    set(LFS_PRID  "\"ld\"")
+  endif(NOT LFS_OFF_T)
+
+endmacro(check_lfs)
--- a/src/qhull/COPYING.txt
+++ b/src/qhull/COPYING.txt
@@ -0,0 +1,38 @@
+                    Qhull, Copyright (c) 1993-2015
+                    
+                            C.B. Barber
+                           Arlington, MA 
+                          
+                               and
+
+       The National Science and Technology Research Center for
+        Computation and Visualization of Geometric Structures
+                        (The Geometry Center)
+                       University of Minnesota
+
+                       email: qhull@qhull.org
+
+This software includes Qhull from C.B. Barber and The Geometry Center.  
+Qhull is copyrighted as noted above.  Qhull is free software and may 
+be obtained via http from www.qhull.org.  It may be freely copied, modified, 
+and redistributed under the following conditions:
+
+1. All copyright notices must remain intact in all files.
+
+2. A copy of this text file must be distributed along with any copies 
+   of Qhull that you redistribute; this includes copies that you have 
+   modified, or copies of programs or other software products that 
+   include Qhull.
+
+3. If you modify Qhull, you must include a notice giving the
+   name of the person performing the modification, the date of
+   modification, and the reason for such modification.
+
+4. When distributing modified versions of Qhull, or other software 
+   products that include Qhull, you must provide notice that the original 
+   source code may be obtained as noted above.
+
+5. There is no warranty or other guarantee of fitness for Qhull, it is 
+   provided solely "as is".  Bug reports or fixes may be sent to 
+   qhull_bug@qhull.org; the authors may or may not act on them as 
+   they desire.
--- a/src/qhull/File_id.diz
+++ b/src/qhull/File_id.diz
@@ -0,0 +1,12 @@
+Qhull 2015.2 - Qhull computes convex hulls,
+Delaunay triangulations, halfspace inter-
+sections about a point, Voronoi diagrams, 
+furthest-site Delaunay triangulations, and 
+furthest-site Voronoi diagrams.  Qhull 
+works with 2-d, 3-d, 4-d, 5-d, and higher 
+dimensions.  It computes volumes, surface 
+areas, and approximations.  It runs in a 
+command window under Windows 95/NT/XP/7.
+www.qhull.org, freeware.
+
+
--- a/src/qhull/Makefile
+++ b/src/qhull/Makefile
@@ -0,0 +1,682 @@
+# Unix Makefile for reentrant libqhull, qhull, and rbox (default gcc/g++)
+#
+#   make help
+#   See README.txt
+#   For qhulltest of the C++ interface, use Qt project file at src/qhull-all.pro
+#   For static builds, a simple alternative is src/libqhull_r/Makefile
+#   
+# Variables
+#   DESTDIR        destination directory for 'make install'.
+#   BINDIR         directory where to copy executables
+#   DOCDIR         directory where to copy html documentation
+#   INCDIR         directory where to copy headers
+#   LIBDIR         directory where to copy libraries
+#   MANDIR         directory where to copy manual pages
+#   PRINTMAN       command for printing manual pages
+#   PRINTC         command for printing C files
+#   CC             ANSI C or C++ compiler
+#   CC_OPTS1       options used to compile .c files
+#   CC_OPTS2       options used to link .o files
+#   CC_OPTS3       options to build shared libraries
+#   CXX            ANSI C++ compiler
+#   CXX_OPTS1      options used to compile .cpp files
+#   CXX_OPTS2      options used to link .o files
+#   CC_WARNINGS    warnings for .c programs
+#   CXX_WARNINGS   warnings for .cpp programs
+#
+#   LIBQHULLS_RBOX_OBJS .o files for linking
+#   LIBQHULLR_HDRS  non-reentrant .h files
+#   LIBQHULLR_HDRS reentrant .h files
+#   CFILES         .c files for printing
+#   CXXFILES       .cpp files for printing
+#   TESTFILES      .cpp test files for printing
+#   DOCFILES       documentation files
+#   FILES          miscellaneous files for printing
+#   HTMFILES       documentation source files
+#   TFILES         .txt versions of html files
+#   FILES          all other files
+#   LIBQHULLS_RBOX_OBJS specifies the object files of libqhullstatic.a
+#
+# Results
+#   rbox           Generates points sets for qhull, qconvex, etc.
+#   qhull          Computes convex hull and related structures with reentrant libqhullstatic_r
+#   qconvex, qdelaunay, qhalf, qvoronoi
+#                  Specializations of qhull for each geometric structure
+#                  Built with non-reentrant libqhullstatic (somewhat faster)
+#   libqhull_r.so  Shared library with reentrant code
+#   libqhullstatic.a Non-reentrant static library with static qh_qh struct
+#                  Called 'static' to avoid naming conflicts
+#   libqhullstatic_r.a Reentrant, static library
+#   libqhullcpp.a  C++ static library with libqhullstatic_r.a
+#   testqset       Standalone test program for non-reentrant qset.c with mem.c
+#   testqset_r     Standalone test program for reentrant qset_r.c with mem_r.c
+#   user_eg        An example of the reentrant, shared library qhull_r
+#   user_eg2       An example of the reentrant, static library libqhullstatic_r
+#   user_eg3       An example of the C++ interface with libqhullcpp and libqhullstatic_r
+#
+# Targets
+#   make           Build results using gcc or another compiler
+#   make SO=dll    For mingw on Windows, use SO=dll. It builds dlls
+#   make bin/qvoronoi  Produce bin/qvoronoi (etc.)
+#   make qhullx    Produce qhull, qconvex etc. without using library
+#
+#   make clean     Remove object files
+#   make cleanall  Remove generated files, build/*.dlr/, buildqt/, and buildvc/
+#   make doc       Print documentation
+#   make help
+#   make install   Copy qhull, rbox, qhull.1, rbox.1 to BINDIR, MANDIR
+#   make new       Rebuild qhull and rbox from source
+#   make printall  Print all files
+#   make qtest     Quick test of rbox and qhull
+#   make test      Quick test of qhull programs
+#   make testall   Test programs for manual review with eg/q_test-ok.txt
+#                  make testall >eg/q_test.x 2>&1 
+#                  Build the C++ qhulltest with Qt
+#
+# Do not replace tabs with spaces.  Needed for build rules
+# Unix line endings (\n)
+# $Id: //main/2015/qhull/Makefile#10 $
+
+DESTDIR = /usr/local
+BINDIR	= $(DESTDIR)/bin
+INCDIR	= $(DESTDIR)/include
+LIBDIR	= $(DESTDIR)/lib
+DOCDIR	= $(DESTDIR)/share/doc/qhull
+MANDIR	= $(DESTDIR)/share/man/man1
+
+# if you do not have enscript, try a2ps or just use lpr.  The files are text.
+PRINTMAN = enscript -2rl
+PRINTC = enscript -2r
+# PRINTMAN = lpr
+# PRINTC = lpr
+
+#for Gnu's gcc compiler, -O3 for optimization, -g for debugging, -pg for profiling
+# -fpic needed for gcc x86_64-linux-gnu.  Not needed for mingw
+CC        = gcc
+CC_OPTS1  = -O3 -ansi -Isrc -fpic $(CC_WARNINGS)
+CXX       = g++
+
+# libqhullcpp must be before libqhull_r
+CXX_OPTS1 = -O3 -Isrc/ $(CXX_WARNINGS)
+
+# for shared library link
+CC_OPTS3  =
+
+# Define qhull_VERSION in CMakeLists.txt, Makefile, and qhull-warn.pri
+# Truncated version in qhull-exports.def, qhull_p-exports.def, 
+#  qhull.so -- static qh_qhT global data structure (qh_QHpointer=0)
+#  qhull_p.so -- allocated qh_qhT global data structure (qh_QHpointer=1).  Required for libqhullcpp
+#  qhull_m.so -- future version of Qhull with qh_qhT passed as an argument.
+qhull_SOVERSION=7
+SO  = so.7.2.0
+
+# On MinGW, 
+#   make SO=dll
+#   Copy lib/libqhull6_p.dll and lib/libqhull.dll to bin/
+
+# for Sun's cc compiler, -fast or O2 for optimization, -g for debugging, -Xc for ANSI
+#CC       = cc
+#CC_OPTS1 = -Xc -v -fast
+
+# for Silicon Graphics cc compiler, -O2 for optimization, -g for debugging
+#CC       = cc
+#CC_OPTS1 = -ansi -O2
+
+# for Next cc compiler with fat executable
+#CC       = cc
+#CC_OPTS1 = -ansi -O2 -arch m68k -arch i386 -arch hppa
+
+# For loader, ld, 
+CC_OPTS2 = $(CC_OPTS1)
+CXX_OPTS2 = $(CXX_OPTS1)
+
+# [gcc 4.4] Compiles without error (-Werror)
+CC_WARNINGS  = -Wall -Wcast-qual -Wextra -Wwrite-strings -Wshadow
+CXX_WARNINGS = -Wall -Wcast-qual -Wextra -Wwrite-strings -Wno-sign-conversion -Wshadow -Wconversion 
+
+# [mar'11] Compiles OK with all gcc warnings except for -Wno-sign-conversion and -Wconversion
+# Qhull reports -Wunused-but-set-variable warnings but these are OK (see annotations)
+# --help=warnings
+# Compiles OK with all g++ warnings except Qt source errors on -Wshadow and -Wconversion
+#    -Waddress -Warray-bounds -Wchar-subscripts -Wclobbered -Wcomment -Wunused-variable
+#    -Wempty-body -Wformat -Wignored-qualifiers -Wimplicit-function-declaration -Wimplicit-int
+#    -Wmain -Wmissing-braces -Wmissing-field-initializers -Wmissing-parameter-type -Wnonnull
+#    -Wold-style-declaration -Woverride-init -Wparentheses -Wpointer-sign -Wreturn-type
+#    -Wsequence-point -Wsign-compare -Wsign-compare -Wstrict-aliasing -Wstrict-overflow=1
+#    -Wswitch -Wtrigraphs -Wtype-limits -Wuninitialized -Wuninitialized -Wvolatile-register-var
+#    -Wunknown-pragmas -Wunused-function -Wunused-label -Wunused-parameter -Wunused-value
+
+# Default targets for make
+all: bin-lib bin/rbox bin/qdelaunay bin/qhalf bin/qhull src/qconvex/qconvex.o src/qvoronoi/qvoronoi.o
+#all: bin-lib bin/rbox bin/qconvex bin/qdelaunay bin/qhalf bin/qvoronoi bin/qhull bin/testqset \
+     bin/testqset_r qtest bin/user_eg2 bin/user_eg3 bin/user_eg qconvex-prompt
+
+help:
+	head -n 75 Makefile
+
+bin-lib:
+	mkdir -p bin lib
+
+# Remove intermediate files for all builds
+clean:
+	rm -f src/*/*.o src/qhulltest/RoadTest.h.cpp build/*/*/*.o  build/*/*.o
+	rm -f src/*/*.obj build/*/*/*.obj build/*/*/*/*/*.obj build/*/*.obj 
+	rm -f bin/*.idb lib/*.idb build-cmake/*/*.idb eg/*.x *.x *.tmp
+	rm -f build/*/*/*.a build/*/*/*.rsp build/moc/*.moc
+	rm -f build-cmake/*/*.obj build-cmake/*/*/*.obj build-cmake/*/*.ilk
+
+# Remove intermediate files and targets for all builds
+# DevStudio prevents build/qhull.ncb deletes
+cleanall: clean
+	rm -rf build/*.dir/ 
+	-rm -rf build/qhull.ncb
+	rm -rf buildvc/
+	rm -rf buildqt/
+	rm -rf build-qhull-all*/
+	rm -f eg/eg.* eg/t*.tmp
+	rm -f bin/qconvex bin/qdelaunay bin/qhalf bin/qvoronoi bin/qhull
+	rm -f bin/rbox core bin/core bin/user_eg bin/user_eg2 bin/user_eg3
+	rm -f bin/testqset bin/testqset_r bin/qhulltest
+	rm -f lib/libqhull* lib/qhull*.lib lib/qhull*.exp  lib/qhull*.dll
+	rm -f bin/libqhull* bin/qhull*.dll bin/*.exe bin/*.pdb lib/*.pdb
+	rm -f build/*.dll build/*.exe build/*.a build/*.exp 
+	rm -f build/*.lib build/*.pdb build/*.idb build/qhull-no-qt.sln
+	rm -f build-cmake/*/*.dll build-cmake/*/*.exe build-cmake/*/*.exp 
+	rm -f build-cmake/*/*.lib build-cmake/*/*.pdb
+	rm -f src/libqhull/qconvex.c src/libqhull/qdelaun.c src/libqhull/qhalf.c
+	rm -f src/libqhull/qvoronoi.c  src/libqhull/rbox.c src/libqhull/testqset.c
+	rm -f src/libqhull/unix.c src/libqhull/user_eg.c src/libqhull/user_eg2.c
+	rm -f src/libqhull/*.exe  src/libqhull/libqhullstatic* src/libqhull/core
+	rm -f src/libqhull/qconvex src/libqhull/qdelaunay src/libqhull/qhalf src/libqhull/qvoronoi src/libqhull/qhull
+	rm -f src/libqhull/rbox src/libqhull/core src/libqhull/user_eg src/libqhull/user_eg2 src/libqhull/user_eg3
+	rm -f src/libqhull_r/unix_r.c src/libqhull_r/user_eg_r.c src/libqhull_r/user_eg2_r.c
+	rm -f src/libqhull_r/qconvex_r.c src/libqhull_r/qdelaun_r.c src/libqhull_r/qhalf_r.c
+	rm -f src/libqhull_r/qvoronoi_r.c  src/libqhull_r/rbox_r.c src/libqhull_r/testqset_r.c
+	rm -f src/libqhull_r/unix_r.c src/libqhull_r/user_eg_r.c src/libqhull_r/user_eg2_r.c
+	rm -f src/libqhull_r/*.exe  src/libqhull_r/libqhullstatic*
+	rm -f src/libqhull_r/qconvex src/libqhull_r/qdelaunay src/libqhull_r/qhalf src/libqhull_r/qvoronoi src/libqhull_r/qhull
+	rm -f src/libqhull_r/rbox src/libqhull_r/core src/libqhull_r/user_eg src/libqhull_r/user_eg2 src/libqhull_r/user_eg3
+
+doc: 
+	$(PRINTMAN) $(TXTFILES) $(DOCFILES)
+
+install:
+	mkdir -p $(BINDIR)
+	mkdir -p $(DOCDIR)
+	mkdir -p $(INCDIR)/libqhull
+	mkdir -p $(INCDIR)/libqhull_r
+	mkdir -p $(INCDIR)/libqhullcpp
+	mkdir -p $(LIBDIR)
+	mkdir -p $(MANDIR)
+	cp bin/qconvex $(BINDIR)
+	cp bin/qdelaunay $(BINDIR)
+	cp bin/qhalf $(BINDIR)
+	cp bin/qhull $(BINDIR)
+	cp bin/qvoronoi $(BINDIR)
+	cp bin/rbox $(BINDIR)
+	cp html/qhull.man $(MANDIR)/qhull.1
+	cp html/rbox.man $(MANDIR)/rbox.1
+	cp html/* $(DOCDIR)
+	cp -P lib/* $(LIBDIR)
+	cp src/libqhull/DEPRECATED.txt src/libqhull/*.h src/libqhull/*.htm $(INCDIR)/libqhull
+	cp src/libqhull_r/*.h src/libqhull_r/*.htm $(INCDIR)/libqhull_r
+	cp src/libqhullcpp/*.h $(INCDIR)/libqhullcpp
+	cp src/qhulltest/*.h $(INCDIR)/libqhullcpp
+
+new:	cleanall all
+
+printall: doc printh printc printf
+
+printh:
+	$(PRINTC) $(LIBQHULL_HDRS)
+	$(PRINTC) $(LIBQHULLR_HDRS)
+	$(PRINTC) $(LIBQHULLCPP_HDRS)
+
+printc:
+	$(PRINTC) $(CFILES)
+	$(PRINTC) $(CXXFILES)
+	$(PRINTC) $(TESTFILES)
+
+printf:
+	$(PRINTC) $(FILES)
+
+qtest:
+	@echo ============================================
+	@echo == make qtest ==============================
+	@echo ============================================
+	@echo -n "== "
+	@date
+	@echo
+	@echo ============================================
+	@echo == Test non-reentrant qset.c with mem.c ====
+	@echo ============================================
+	-bin/testqset 10000
+	@echo
+	@echo ============================================
+	@echo == Test reentrant qset_r.c with mem_r.c ====
+	@echo ============================================
+	-bin/testqset_r 10000
+	@echo
+	@echo ============================================
+	@echo == Run the qhull smoketest              ====
+	@echo ============================================
+	-bin/rbox D4 | bin/qhull Tv
+	
+test: qtest
+	@echo ============================================
+	@echo == make test ===============================
+	@echo ============================================
+	@echo
+	@echo ==============================
+	@echo ========= rbox/qhull =======
+	@echo ==============================
+	-bin/rbox D4 | bin/qhull Tv
+	@echo
+	@echo ==============================
+	@echo ========= qconvex ============
+	@echo ==============================
+	-bin/rbox 10 | bin/qconvex Tv 
+	@echo
+	@echo ==============================
+	@echo ========= qdelaunay ==========
+	@echo ==============================
+	-bin/rbox 10 | bin/qdelaunay Tv 
+	@echo
+	@echo ==============================
+	@echo ========= qhalf ==============
+	@echo ==============================
+	-bin/rbox 10 | bin/qconvex FQ FV n Tv | bin/qhalf Tv
+	@echo
+	@echo ==============================
+	@echo ========= qvoronoi ===========
+	@echo ==============================
+	-bin/rbox 10 | bin/qvoronoi Tv
+	@echo
+	@echo ==============================
+	@echo ========= user_eg ============
+	@echo ==============================
+	-bin/user_eg
+	@echo
+	@echo ==============================
+	@echo ========= user_eg2 ===========
+	@echo ==============================
+	-bin/user_eg2
+	@echo
+	@echo ==============================
+	@echo ========= user_eg3 ===========
+	@echo ==============================
+	-bin/user_eg3 rbox "10 D2"  "2 D2" qhull "s p" facets
+
+# make testall >q_test.txt 2>&1
+testall: test 
+	@echo ============================================
+	@echo == make testall ============================
+	@echo ============================================
+	@echo -n "== "
+	@date
+	@echo
+	-eg/q_eg
+	-eg/q_egtest
+	-eg/q_test
+
+qconvex-prompt:
+	bin/qconvex
+	@echo
+	@echo ============================================
+	@echo == Run the qconvex smoketest
+	@echo ============================================
+	bin/rbox D4 | bin/qconvex Tv
+	@echo
+	@echo ============================================
+	@echo == To enable user_eg and user_eg2
+	@echo ==
+	@echo == Windows -- make SO=dll
+	@echo '==     cp -p lib/libqhull*.dll bin'
+	@echo ==
+	@echo == Unix/Macintosh -- make
+	@echo '==     export LD_LIBRARY_PATH=$$PWD/lib:$$LD_LIBRARY_PATH'
+	@echo ============================================
+	@echo
+	@echo ============================================
+	@echo == To smoketest qhull programs
+	@echo '==     make test'
+	@echo ============================================
+	@echo
+	@echo ============================================
+	@echo == To run qhull tests for manual review with eg/q_test-ok.txt
+	@echo '==     make testall >q_test.txt 2>&1'
+	@echo ============================================
+	@echo
+	@echo ============================================
+	@echo == For all make targets
+	@echo '==     make help'
+	@echo ============================================
+	@echo
+
+# libqhull is source files for non-reentrant Qhull
+# libqhull_r is source files and a shared library for reentrant Qhull
+L=    src/libqhull
+LR=   src/libqhull_r
+
+# libqhullstatic is a static library for non-reentrant Qhull
+# libqhullstatic_r is a static library for reentrant Qhull
+LS=   src/libqhullstatic
+LSR=  src/libqhullstatic_r
+
+# libqhullcpp is a static library for C++ files and libqhull_r
+# qhulltest is a Qt test of libqhullcpp
+LCPP= src/libqhullcpp
+TCPP= src/qhulltest
+
+LIBQHULL_HDRS = $(L)/user.h $(L)/libqhull.h $(L)/qhull_a.h $(L)/geom.h \
+        $(L)/io.h $(L)/mem.h $(L)/merge.h $(L)/poly.h $(L)/random.h \
+        $(L)/qset.h $(L)/stat.h
+
+LIBQHULLR_HDRS = $(LR)/user_r.h $(LR)/libqhull_r.h $(LR)/qhull_ra.h $(LR)/geom_r.h \
+	$(LR)/io_r.h $(LR)/mem_r.h $(LR)/merge_r.h $(LR)/poly_r.h $(LR)/random_r.h \
+	$(LR)/qset_r.h $(LR)/stat_r.h
+
+# LIBQHULLS_OBJS and LIBQHULLSR_OBJS ordered by frequency of execution with
+# small files at end.  Better locality.
+
+LIBQHULLS_OBJS= $(LS)/global.o $(LS)/stat.o $(LS)/geom2.o $(LS)/poly2.o \
+        $(LS)/merge.o $(LS)/libqhull.o $(LS)/geom.o $(LS)/poly.o \
+        $(LS)/qset.o $(LS)/mem.o $(LS)/random.o 
+
+LIBQHULLS_USER_OBJS = $(LIBQHULLS_OBJS) $(LS)/usermem.o $(LS)/userprintf.o \
+        $(LS)/io.o $(LS)/user.o
+
+LIBQHULLS_RBOX_OBJS = $(LIBQHULLS_USER_OBJS) $(LS)/rboxlib.o $(LS)/userprintf_rbox.o
+
+LIBQHULLSR_OBJS = $(LSR)/global_r.o $(LSR)/stat_r.o $(LSR)/geom2_r.o $(LSR)/poly2_r.o \
+	$(LSR)/merge_r.o $(LSR)/libqhull_r.o $(LSR)/geom_r.o $(LSR)/poly_r.o \
+	$(LSR)/qset_r.o $(LSR)/mem_r.o $(LSR)/random_r.o
+
+LIBQHULLSR_USER_OBJS = $(LIBQHULLSR_OBJS) $(LSR)/usermem_r.o $(LSR)/userprintf_r.o \
+	$(LSR)/io_r.o $(LSR)/user_r.o
+
+LIBQHULLSR_RBOX_OBJS = $(LIBQHULLSR_USER_OBJS) $(LSR)/rboxlib_r.o $(LSR)/userprintf_rbox_r.o
+
+LIBQHULLCPP_HDRS = $(LCPP)/RoadError.h $(LCPP)/RoadLogEvent.h $(LCPP)/Coordinates.h \
+	$(LCPP)/QhullHyperplane.h $(LCPP)/functionObjects.h $(LCPP)/PointCoordinates.h \
+	$(LCPP)/Qhull.h $(LCPP)/QhullError.h $(LCPP)/QhullFacet.h \
+	$(LCPP)/QhullFacetList.h $(LCPP)/QhullFacetSet.h $(LCPP)/QhullIterator.h \
+	$(LCPP)/QhullLinkedList.h $(LCPP)/QhullPoint.h $(LCPP)/QhullPoints.h \
+	$(LCPP)/QhullPointSet.h $(LCPP)/QhullQh.h $(LCPP)/QhullRidge.h \
+	$(LCPP)/QhullSet.h $(LCPP)/QhullSets.h $(LCPP)/QhullStat.h \
+	$(LCPP)/QhullVertex.h $(LCPP)/RboxPoints.h
+
+LIBQHULLCPP_OBJS = $(LCPP)/RoadError.o $(LCPP)/RoadLogEvent.o $(LCPP)/Coordinates.o \
+	$(LCPP)/PointCoordinates.o $(LCPP)/Qhull.o $(LCPP)/QhullFacet.o \
+	$(LCPP)/QhullFacetList.o $(LCPP)/QhullFacetSet.o \
+	$(LCPP)/QhullHyperplane.o $(LCPP)/QhullPoint.o \
+	$(LCPP)/QhullPoints.o $(LCPP)/QhullPointSet.o $(LCPP)/QhullQh.o \
+	$(LCPP)/QhullRidge.o $(LCPP)/QhullSet.o $(LCPP)/QhullStat.o \
+	$(LCPP)/QhullVertex.o $(LCPP)/QhullVertexSet.o $(LCPP)/RboxPoints.o
+
+# CFILES for non-reentrant Qhull, ordered alphabetically after libqhull.c
+CFILES= src/qhull/unix.c $(L)/libqhull.c $(L)/geom.c $(L)/geom2.c $(L)/global.c $(L)/io.c \
+	$(L)/mem.c $(L)/merge.c $(L)/poly.c $(L)/poly2.c $(L)/random.c $(L)/rboxlib.c \
+	$(L)/qset.c $(L)/stat.c $(L)/user.c $(L)/usermem.c $(L)/userprintf.c $(L)/userprintf_rbox.c \
+	src/qconvex/qconvex.c src/qdelaunay/qdelaun.c src/qhalf/qhalf.c src/qvoronoi/qvoronoi.c
+
+# CFILESR for reentrant Qhull, ordered alphabetically after libqhull.c
+CFILESR= src/qhull/unix_r.c $(LSR)/libqhull_r.c $(LSR)/geom_r.c $(LSR)/geom2_r.c $(LSR)/global_r.c $(LSR)/io_r.c \
+	$(LSR)/mem_r.c $(LSR)/merge_r.c $(LSR)/poly_r.c $(LSR)/poly2_r.c $(LSR)/random_r.c $(LSR)/rboxlib_r.c \
+	$(LSR)/qset_r.c $(LSR)/stat_r.c $(LSR)/user_r.c $(LSR)/usermem_r.c $(LSR)/userprintf_r.c $(LSR)/userprintf_rbox_r.c \
+	src/qconvex/qconvex_r.c src/qdelaunay/qdelaun_r.c src/qhalf/qhalf_r.c src/qvoronoi/qvoronoi_r.c
+
+# CXXFILES for C++ sources using libqhull_r (reentrant qhull), alphabetical
+CXXFILES=  $(LCPP)/Coordinates.cpp $(LCPP)/PointCoordinates.cpp \
+	$(LCPP)/Qhull.cpp $(LCPP)/QhullFacet.cpp \
+	$(LCPP)/QhullFacetList.cpp $(LCPP)/QhullFacetSet.cpp \
+	$(LCPP)/QhullHyperplane.cpp $(LCPP)/QhullPoint.cpp \
+	$(LCPP)/QhullPoints.cpp $(LCPP)/QhullPointSet.cpp $(LCPP)/QhullQh.cpp \
+	$(LCPP)/QhullRidge.cpp $(LCPP)/QhullSet.cpp $(LCPP)/QhullStat.cpp \
+	$(LCPP)/QhullVertex.cpp $(LCPP)/QhullVertexSet.cpp $(LCPP)/RboxPoints.cpp \
+	$(LCPP)/RoadError.cpp $(LCPP)/RoadLogEvent.cpp src/user_eg3/user_eg3_r.cpp
+	
+# TESTFILES for Qt test of C++ sources using libqhull_r (reentrant qhull), alphabetical after qhulltest.cpp
+TESTFILES= $(TCPP)/qhulltest.cpp $(TCPP)/Coordinates_test.cpp $(TCPP)/PointCoordinates_test.cpp \
+	$(TCPP)/Qhull_test.cpp $(TCPP)/QhullFacet_test.cpp $(TCPP)/QhullFacetList_test.cpp \
+	$(TCPP)/QhullFacetSet_test.cpp $(TCPP)/QhullHyperplane_test.cpp $(TCPP)/QhullLinkedList_test.cpp \
+	$(TCPP)/QhullPoint_test.cpp $(TCPP)/QhullPoints_test.cpp \
+	$(TCPP)/QhullPointSet_test.cpp $(TCPP)/QhullRidge_test.cpp \
+	$(TCPP)/QhullSet_test.cpp $(TCPP)/QhullVertex_test.cpp $(TCPP)/QhullVertexSet_test.cpp \
+	$(TCPP)/RboxPoints_test.cpp
+
+
+TXTFILES= Announce.txt REGISTER.txt COPYING.txt README.txt src/Changes.txt
+DOCFILES= html/rbox.txt html/qhull.txt
+FILES=	Makefile src/rbox/rbox.c src/user_eg/user_eg.c src/user_eg2/user_eg2.c \
+	src/testqset/testqset.c eg/q_test eg/q_egtest eg/q_eg
+MANFILES= html/qhull.man html/rbox.man 
+# Source code is documented by src/libqhull/*.htm
+HTMFILES= html/index.htm html/qh-quick.htm html/qh-impre.htm html/qh-eg.htm \
+	html/qh-optc.htm html/qh-opto.htm html/qh-optf.htm  html/qh-optp.htm html/qh-optq.htm \
+	html/qh-c.htm html/qh-faq.htm html/qhull.htm html/qconvex.htm html/qdelaun.htm \
+	html/qh-geom.htm html/qh-globa.htm html/qh-io.htm html/qh-mem.htm html/qh-merge.htm \
+	html/qh-poly.htm html/qh-qhull.htm html/qh-set.htm html/qh-stat.htm html/qh-user.htm \
+	html/qconvex.htm html/qdelau_f.htm html/qdelaun.htm html/qhalf.htm html/qvoronoi.htm \
+	html/qvoron_f.htm html/rbox.htm 
+
+qhull/unix.o:            $(L)/libqhull.h $(L)/user.h $(L)/mem.h
+qconvex/qconvex.o:       $(L)/libqhull.h $(L)/user.h $(L)/mem.h
+qdelanay/qdelaun.o:      $(L)/libqhull.h $(L)/user.h $(L)/mem.h
+qhalf/qhalf.o:           $(L)/libqhull.h $(L)/user.h $(L)/mem.h
+qvoronoi/qvoronoi.o:     $(L)/libqhull.h $(L)/user.h $(L)/mem.h
+qhull/unix_r.o:          $(LR)/libqhull_r.h $(LR)/user_r.h $(LR)/mem_r.h
+qconvex/qconvex_r.o:     $(LR)/libqhull_r.h $(LR)/user_r.h $(LR)/mem_r.h
+qdelanay/qdelaun_r.o:    $(LR)/libqhull_r.h $(LR)/user_r.h $(LR)/mem_r.h
+qhalf/qhalf_r.o:         $(LR)/libqhull_r.h $(LR)/user_r.h $(LR)/mem_r.h
+qvoronoi/qvoronoi_r.o:   $(LR)/libqhull_r.h $(LR)/user_r.h $(LR)/mem_r.h
+$(LS)/libqhull.o: $(LIBQHULL_HDRS)
+$(LS)/geom.o:     $(LIBQHULL_HDRS)
+$(LS)/geom2.o:    $(LIBQHULL_HDRS)
+$(LS)/global.o:   $(LIBQHULL_HDRS)
+$(LS)/io.o:       $(LIBQHULL_HDRS)
+$(LS)/mem.o:      $(L)/mem.h
+$(LS)/merge.o:    $(LIBQHULL_HDRS)
+$(LS)/poly.o:     $(LIBQHULL_HDRS)
+$(LS)/poly2.o:    $(LIBQHULL_HDRS)
+$(LS)/random.o:   $(L)/libqhull.h $(L)/random.h $(L)/user.h
+$(LS)/rboxlib.o:  $(L)/libqhull.h $(L)/random.h $(L)/user.h
+$(LS)/qset.o:     $(L)/qset.h $(L)/mem.h
+$(LS)/stat.o:     $(LIBQHULL_HDRS)
+$(LS)/user.o:     $(LIBQHULL_HDRS)
+$(LSR)/libqhull_r.o: $(LIBQHULLR_HDRS)
+$(LSR)/geom_r.o:     $(LIBQHULLR_HDRS)
+$(LSR)/geom2_r.o:    $(LIBQHULLR_HDRS)
+$(LSR)/global_r.o:   $(LIBQHULLR_HDRS)
+$(LSR)/io_r.o:       $(LIBQHULLR_HDRS)
+$(LSR)/mem_r.o:      $(LR)/mem_r.h
+$(LSR)/merge_r.o:    $(LIBQHULLR_HDRS)
+$(LSR)/poly_r.o:     $(LIBQHULLR_HDRS)
+$(LSR)/poly2_r.o:    $(LIBQHULLR_HDRS)
+$(LSR)/random_r.o:   $(LR)/libqhull_r.h $(LR)/random_r.h $(LR)/user_r.h $(LR)/mem_r.h
+$(LSR)/rboxlib_r.o:  $(LR)/libqhull_r.h $(LR)/random_r.h $(LR)/user_r.h $(LR)/mem_r.h
+$(LSR)/qset_r.o:     $(LR)/qset_r.h $(LR)/mem_r.h
+$(LSR)/stat_r.o:     $(LIBQHULLR_HDRS)
+$(LSR)/user_r.o:     $(LIBQHULLR_HDRS)
+$(LCPP)/RoadError.o:        $(LCPP)/RoadError.h $(LCPP)/RoadLogEvent.h
+$(LCPP)/RoadLogEvent.o:     $(LCPP)/RoadError.h                  
+$(LCPP)/Coordinates.o:      $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/PointCoordinates.o: $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/Qhull.o:            $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullFacet.o:       $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullFacetList.o:   $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullFacetSet.o:    $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullHyperplane.o:  $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullPoint.o:       $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullPoints.o:      $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullPointSet.o:    $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullQh.o:          $(LIBQHULLR_HDRS)
+$(LCPP)/QhullRidge.o:       $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullSet.o:         $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullStat.o:        $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullVertex.o:      $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/QhullVertexSet.o:   $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+$(LCPP)/RboxPoints.o:       $(LIBQHULLCPP_HDRS) $(LIBQHULLR_HDRS)
+
+.c.o:
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+
+.cpp.o:
+	$(CXX) -c $(CXX_OPTS1) -o $@ $<
+
+# qhullx -- Compile qhull without using a qhull library.  Must be after LIBQHULLS_RBOX_OBJS
+# For qconvex, rbox, and other programs, qhullx produces the same results as libqhull/Makefile
+# For qhull, 'make qhullx' produces the same results as libqhull_r/Makefile
+qhullx: src/qconvex/qconvex.o src/qdelaunay/qdelaun.o src/qhalf/qhalf.o \
+	    src/qvoronoi/qvoronoi.o src/rbox/rbox.o \
+            src/qhull/unix_r.o $(LIBQHULLS_RBOX_OBJS)  $(LIBQHULLSR_USER_OBJS)
+	$(CC) -o bin/qconvex $(CC_OPTS2) -lm $(LIBQHULLS_USER_OBJS) src/qconvex/qconvex.o
+	$(CC) -o bin/qdelaunay $(CC_OPTS2) -lm $(LIBQHULLS_USER_OBJS) src/qdelaunay/qdelaun.o
+	$(CC) -o bin/qhalf $(CC_OPTS2) -lm $(LIBQHULLS_USER_OBJS) src/qhalf/qhalf.o
+	$(CC) -o bin/qvoronoi $(CC_OPTS2) -lm $(LIBQHULLS_USER_OBJS) src/qvoronoi/qvoronoi.o
+	$(CC) -o bin/qhull $(CC_OPTS2) -lm $(LIBQHULLSR_USER_OBJS) src/qhull/unix_r.o
+	$(CC) -o bin/rbox $(CC_OPTS2) -lm $(LIBQHULLS_RBOX_OBJS) src/rbox/rbox.o
+	$(CC) -o bin/testqset $(CC_OPTS2) -lm mem.o qset.o usermem.o testqset.o
+	$(CC) -o bin/testqset_r $(CC_OPTS2) -lm mem_r.o qset_r.o usermem_r.o testqset_r.o
+	-bin/rbox D4 | bin/qhull
+
+# The static library, libqhullstatic, contains non-reentrant code for Qhull.  It is somewhat faster than reentrant libqhullstatic_r
+
+$(LS)/libqhull.o: $(L)/libqhull.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/geom.o:     $(L)/geom.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/geom2.o:    $(L)/geom2.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/global.o:   $(L)/global.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/io.o:       $(L)/io.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/mem.o:      $(L)/mem.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/merge.o:    $(L)/merge.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/poly.o:     $(L)/poly.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/poly2.o:    $(L)/poly2.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/random.o:   $(L)/random.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/rboxlib.o:   $(L)/rboxlib.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/qset.o:     $(L)/qset.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/stat.o:     $(L)/stat.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/user.o:     $(L)/user.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/usermem.o:     $(L)/usermem.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/userprintf.o:  $(L)/userprintf.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LS)/userprintf_rbox.o:  $(L)/userprintf_rbox.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+
+# The static library, libqhullstatic_r, contains reentrant code with the same behavior as libqhullstatic
+
+$(LSR)/libqhull_r.o: $(LR)/libqhull_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/geom_r.o:     $(LR)/geom_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/geom2_r.o:    $(LR)/geom2_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/global_r.o:   $(LR)/global_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/io_r.o:       $(LR)/io_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/mem_r.o:      $(LR)/mem_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/merge_r.o:    $(LR)/merge_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/poly_r.o:     $(LR)/poly_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/poly2_r.o:    $(LR)/poly2_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/random_r.o:   $(LR)/random_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/rboxlib_r.o:   $(LR)/rboxlib_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/qset_r.o:     $(LR)/qset_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/stat_r.o:     $(LR)/stat_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/user_r.o:     $(LR)/user_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/usermem_r.o:     $(LR)/usermem_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/userprintf_r.o:     $(LR)/userprintf_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+$(LSR)/userprintf_rbox_r.o:     $(LR)/userprintf_rbox_r.c
+	$(CC) -c $(CC_OPTS1) -o $@ $<
+
+lib/libqhullstatic.a: $(LIBQHULLS_RBOX_OBJS)
+	@echo ==========================================
+	@echo ==== If 'ar' fails, try 'make qhullx' ====
+	@echo ==========================================
+	ar -rs $@ $^
+	#If 'ar -rs' fails try using 'ar -s' with 'ranlib'
+	#ranlib $@
+
+lib/libqhullstatic_r.a: $(LIBQHULLSR_RBOX_OBJS)
+	ar -rs $@ $^
+	#ranlib $@
+
+# Do not create libqhullcpp as a shared library.  Qhull C++ classes may change layout and size. 
+lib/libqhullcpp.a: $(LIBQHULLCPP_OBJS)
+	ar -rs $@ $^
+	#ranlib $@
+
+lib/libqhull_r.$(SO): $(LIBQHULLSR_RBOX_OBJS)
+	$(CC) -shared -o $@ $(CC_OPTS3) $^
+	cd lib && ln -f -s libqhull_r.$(SO) libqhull_r.so
+
+# don't use ../qconvex.	 Does not work on Red Hat Linux
+#bin/qconvex: src/qconvex/qconvex.o lib/libqhullstatic.a
+#	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic -lm
+
+bin/qdelaunay: src/qdelaunay/qdelaun.o lib/libqhullstatic.a
+	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic -lm
+
+bin/qhalf: src/qhalf/qhalf.o lib/libqhullstatic.a
+	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic -lm
+
+#bin/qvoronoi: src/qvoronoi/qvoronoi.o lib/libqhullstatic.a
+#	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic -lm
+
+bin/qhull: src/qhull/unix_r.o lib/libqhullstatic_r.a
+	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic_r -lm
+	-chmod +x eg/q_test eg/q_eg eg/q_egtest
+
+bin/rbox: src/rbox/rbox.o lib/libqhullstatic.a
+	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic -lm
+
+#bin/testqset: src/testqset/testqset.o src/libqhull/qset.o src/libqhull/mem.o src/libqhull/usermem.o
+#	$(CC) -o $@ $^ $(CC_OPTS2) -lm
+
+#bin/testqset_r: src/testqset_r/testqset_r.o src/libqhull_r/qset_r.o src/libqhull_r/mem_r.o src/libqhull_r/usermem_r.o
+#	$(CC) -o $@ $^ $(CC_OPTS2) -lm
+
+# You may use  -lqhullstatic_r instead of -lqhull_r
+#bin/user_eg: src/user_eg/user_eg_r.o lib/libqhull_r.$(SO)
+#	@echo -e '\n\n==================================================='
+#	@echo -e '== If user_eg fails to link on MinGW or Cygwin, use'
+#	@echo -e '==   "make SO=dll" and copy lib/libqhull_r.dll to bin/'
+#	@echo -e '== Otherwise if user_eg fails to link, switch to -lqhullstatic_r'
+#	@echo -e '===================================================\n'
+#	$(CC) -o $@ $< $(CC_OPTS1) $(CC_OPTS3) -Llib -lqhull_r -lm
+
+#bin/user_eg2: src/user_eg2/user_eg2_r.o lib/libqhullstatic_r.a
+#	@echo -e '\n\n==================================================='
+#	@echo -e '== user_eg2 links to  qhullstatic_r.  It may use libqhull_r instead.'
+#	@echo -e '===================================================\n'
+#	$(CC) -o $@ $< $(CC_OPTS2) -Llib -lqhullstatic_r -lm
+
+#bin/user_eg3: src/user_eg3/user_eg3_r.o lib/libqhullstatic_r.a lib/libqhullcpp.a
+#	$(CXX) -o $@ $< $(CXX_OPTS2) -Llib -lqhullcpp -lqhullstatic_r -lm
+
+# end of Makefile
--- a/src/qhull/QHULL-GO.lnk
+++ b/src/qhull/QHULL-GO.lnk
--- a/src/qhull/README.txt
+++ b/src/qhull/README.txt
@@ -0,0 +1,600 @@
+Name
+
+      qhull, rbox         2015.2       2016/01/18
+  
+Convex hull, Delaunay triangulation, Voronoi diagrams, Halfspace intersection
+ 
+      Documentation:
+        html/index.htm
+        <http://www.qhull.org/html>
+
+      Available from:
+        <http://www.qhull.org>
+        <http://www.qhull.org/download>
+        <http://github.com/qhull/qhull> (git@github.com:qhull/qhull.git)
+ 
+      News and a paper:
+        <http://www.qhull.org/news>
+        <http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.117.405>
+
+     Version 1 (simplicial only):
+        <http://www.qhull.org/download/qhull-1.0.tar.gz>
+       
+Purpose
+
+  Qhull is a general dimension convex hull program that reads a set 
+  of points from stdin, and outputs the smallest convex set that contains 
+  the points to stdout.  It also generates Delaunay triangulations, Voronoi 
+  diagrams, furthest-site Voronoi diagrams, and halfspace intersections
+  about a point.
+
+  Rbox is a useful tool in generating input for Qhull; it generates 
+  hypercubes, diamonds, cones, circles, simplices, spirals, 
+  lattices, and random points.
+  
+  Qhull produces graphical output for Geomview.  This helps with
+  understanding the output. <http://www.geomview.org>
+
+Environment requirements
+
+  Qhull and rbox should run on all 32-bit and 64-bit computers.  Use
+  an ANSI C or C++ compiler to compile the program.  The software is 
+  self-contained.  It comes with examples and test scripts.
+  
+  Qhull's C++ interface uses the STL.  The C++ test program uses QTestLib 
+  from the Qt Framework.  Qhull's C++ interface may change without 
+  notice.  Eventually, it will move into the qhull shared library.
+  
+  Qhull is copyrighted software.  Please read COPYING.txt and REGISTER.txt
+  before using or distributing Qhull.
+
+To cite Qhull, please use
+
+  Barber, C.B., Dobkin, D.P., and Huhdanpaa, H.T., "The Quickhull 
+  algorithm for convex hulls," ACM Trans. on Mathematical Software,
+  22(4):469-483, Dec 1996, http://www.qhull.org.
+
+To modify Qhull, particularly the C++ interface
+
+  Qhull is on GitHub 
+     (http://github.com/qhull/qhull, git@github.com:qhull/qhull.git)
+  
+  For internal documentation, see html/qh-code.htm
+
+To install Qhull
+
+  Qhull is precompiled for Windows 32-bit, otherwise it needs compilation.
+  
+  Qhull includes Makefiles for gcc and other targets, CMakeLists.txt for CMake,
+  .sln/.vcproj/.vcxproj files for Microsoft Visual Studio, and .pro files 
+  for Qt Creator.  It compiles under Windows with mingw.
+  
+  Install and build instructions follow.  
+  
+  See the end of this document for a list of distributed files.
+
+-----------------
+Installing Qhull on Windows 10, 8, 7 (32- or 64-bit), Windows XP, and Windows NT
+
+  The zip file contains rbox.exe, qhull.exe, qconvex.exe, qdelaunay.exe, 
+  qhalf.exe, qvoronoi.exe, testqset.exe, user_eg*.exe, documentation files, 
+  and source files.  Qhull.exe and user-eg3.exe are compiled with the reentrant 
+  library while the other executables use the non-reentrant library.
+  
+  To install Qhull:
+  - Unzip the files into a directory (e.g., named 'qhull')
+  - Click on QHULL-GO or open a command window into Qhull's bin directory.
+  - Test with 'rbox D4 | qhull'
+    
+  To uninstall Qhull
+  - Delete the qhull directory
+  
+  To learn about Qhull:
+  - Execute 'qconvex' for a synopsis and examples.
+  - Execute 'rbox 10 | qconvex' to compute the convex hull of 10 random points.
+  - Execute 'rbox 10 | qconvex i TO file' to write results to 'file'.
+  - Browse the documentation: qhull\html\index.htm
+  - If an error occurs, Windows sends the error to stdout instead of stderr.
+    Use 'TO xxx' to send normal output to xxx
+
+  To improve the command window
+  - Double-click the window bar to increase the size of the window
+  - Right-click the window bar
+  - Select Properties
+  - Check QuickEdit Mode
+    Select text with right-click or Enter
+    Paste text with right-click
+  - Change Font to Lucinda Console
+  - Change Layout to Screen Buffer Height 999, Window Size Height 55
+  - Change Colors to Screen Background White, Screen Text Black
+  - Click OK
+  - Select 'Modify shortcut that started this window', then OK
+
+  If you use qhull a lot, install a bash shell such as
+    MSYS (www.mingw.org/wiki/msys), Road Bash (www.qhull.org/bash), 
+    or Cygwin (www.cygwin.com).
+
+-----------------
+Installing Qhull on Unix with gcc
+
+  To build Qhull, static libraries, shared library, and C++ interface
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - make
+  - export LD_LIBRARY_PATH=$PWD/lib:$LD_LIBRARY_PATH
+
+  The Makefiles may be edited for other compilers.
+  If 'testqset' exits with an error, qhull is broken
+  
+  A simple Makefile for Qhull is in src/libqhull and src/libqhull_r.
+  To build the Qhull executables and libqhullstatic
+  - Extract Qhull from qhull...tgz or qhull...zip
+  - cd src/libqhull_r  # cd src/libqhull 
+  - make
+
+  
+-----------------
+Installing Qhull with CMake 2.6 or later
+
+  See CMakeLists.txt for examples and further build instructions
+  
+  To build Qhull, static libraries, shared library, and C++ interface
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - cd build
+  - cmake --help  # List build generators
+  - make -G "<generator>" .. && cmake ..  
+  - cmake ..
+  - make
+  - make install
+
+  The ".." is important.  It refers to the parent directory (i.e., qhull/)
+
+  On Windows, CMake installs to C:/Program Files/qhull.  64-bit generators
+  have a "Win64" tag.
+  
+  If creating a qhull package, please include a pkg-config file based on build/qhull*.pc.in
+
+  If cmake fails with "No CMAKE_C_COMPILER could be found"
+  - cmake was not able to find the build environment specified by -G "..."
+  
+-----------------
+Installing Qhull with Qt
+
+  To build Qhull, including its C++ test (qhulltest)
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Load src/qhull-all.pro into QtCreator
+  - Build
+
+-------------------
+Working with Qhull's C++ interface
+
+  See html/qh-code.htm#cpp for calling Qhull from C++ programs
+  
+  See html/qh-code.htm#reentrant for converting from Qhull-2012
+
+  Examples of using the C++ interface
+    user_eg3_r.cpp
+    qhulltest/*_test.cpp
+
+  Qhull's C++ interface is likely to change.  Stay current with GitHub.
+
+  To clone Qhull's next branch from http://github.com/qhull/qhull
+    git init
+    git clone git@github.com:qhull/qhull.git
+    cd qhull
+    git checkout next
+    ...
+    git pull origin next
+    
+  Compile qhullcpp and libqhullstatic_r with the same compiler.  Both libraries
+  use the C routines setjmp() and longjmp() for error handling.  They must 
+  be compiled with the same compiler.
+  
+-------------------
+Calling Qhull from C programs
+
+  See html/qh-code.htm#library for calling Qhull from C programs
+
+  See html/qh-code.htm#reentrant for converting from Qhull-2012
+
+  Warning: You will need to understand Qhull's data structures and read the 
+  code.  Most users will find it easier to call Qhull as an external command.
+
+  The new, reentrant 'C' code (src/libqhull_r), passes a pointer to qhT 
+  to most Qhull routines.  This allows multiple instances of Qhull to run 
+  at the same time.  It simplifies the C++ interface.
+
+  The non-reentrant 'C' code (src/libqhull) looks unusual.  It refers to 
+  Qhull's global data structure, qhT, through a 'qh' macro (e.g., 'qh ferr'). 
+  This allows the same code to use static memory or heap memory. 
+  If qh_QHpointer is defined, qh_qh is a pointer to an allocated qhT; 
+  otherwise qh_qh is a global static data structure of type qhT.
+
+------------------
+Compiling Qhull with Microsoft Visual C++
+
+  To compile 32-bit Qhull with Microsoft Visual C++ 2010 and later
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Load solution build/qhull-32.sln 
+  - Build target 'Win32'
+  - Project qhulltest requires Qt for DevStudio (http://www.qt.io)
+    Set the QTDIR environment variable to your Qt directory (e.g., c:/qt/5.2.0/5.2.0/msvc2012)
+    If QTDIR is incorrect, precompile will fail with 'Can not locate the file specified'
+
+  To compile 64-bit Qhull with Microsoft Visual C++ 2010 and later
+  - 64-bit Qhull has larger data structures due to 64-bit pointers
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Load solution build/qhull-64.sln 
+  - Build target 'Win32'
+  - Project qhulltest requires Qt for DevStudio (http://www.qt.io)
+    Set the QTDIR environment variable to your Qt directory (e.g., c:/qt/5.2.0/5.2.0/msvc2012_64)
+    If QTDIR is incorrect, precompile will fail with 'Can not locate the file specified'
+  
+  To compile Qhull with Microsoft Visual C++ 2005 (vcproj files)
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Load solution build/qhull.sln 
+  - Build target 'win32' (not 'x64')
+  - Project qhulltest requires Qt for DevStudio (http://www.qt.io)
+    Set the QTDIR environment variable to your Qt directory (e.g., c:/qt/4.7.4)
+    If QTDIR is incorrect, precompile will fail with 'Can not locate the file specified'
+  
+-----------------
+Compiling Qhull with Qt Creator
+
+  Qt (http://www.qt.io) is a C++ framework for Windows, Linux, and Macintosh
+
+  Qhull uses QTestLib to test qhull's C++ interface (see src/qhulltest/)
+  
+  To compile Qhull with Qt Creator
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Download the Qt SDK
+  - Start Qt Creator
+  - Load src/qhull-all.pro
+  - Build
+
+-----------------
+Compiling Qhull with mingw on Windows
+
+  To compile Qhull with MINGW
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Install Road Bash (http://www.qhull.org/bash)
+    or install MSYS (http://www.mingw.org/wiki/msys)
+  - Install MINGW-w64 (http://sourceforge.net/projects/mingw-w64).  
+    Mingw is included with Qt SDK.  
+  - make
+  
+-----------------
+Compiling Qhull with cygwin on Windows
+
+  To compile Qhull with cygwin
+  - Download and extract Qhull (either GitHub, .tgz file, or .zip file)
+  - Install cygwin (http://www.cygwin.com)
+  - Include packages for gcc, make, ar, and ln
+  - make
+
+-----------------
+Compiling from Makfile without gcc
+
+  The file, qhull-src.tgz, contains documentation and source files for
+  qhull and rbox.  
+  
+  To unpack the tgz file
+  - tar zxf qhull-src.tgz
+  - cd qhull
+  - Use qhull/Makefile
+   Simpler Makefiles are qhull/src/libqhull/Makefile and qhull/src/libqhull_r/Makefile
+  
+  Compiling qhull and rbox with Makefile
+  - in Makefile, check the CC, CCOPTS1, PRINTMAN, and PRINTC defines
+      - the defaults are gcc and enscript
+      - CCOPTS1 should include the ANSI flag.  It defines __STDC__
+  - in user.h, check the definitions of qh_SECticks and qh_CPUclock.
+      - use '#define qh_CLOCKtype 2' for timing runs longer than 1 hour
+  - type: make 
+      - this builds: qhull qconvex qdelaunay qhalf qvoronoi rbox libqhull.a libqhull_r.a
+  - type: make doc
+      - this prints the man page
+      - See also qhull/html/index.htm
+  - if your compiler reports many errors, it is probably not a ANSI C compiler
+      - you will need to set the -ansi switch or find another compiler
+  - if your compiler warns about missing prototypes for fprintf() etc.
+      - this is ok, your compiler should have these in stdio.h
+  - if your compiler warns about missing prototypes for memset() etc.
+      - include memory.h in qhull_a.h
+  - if your compiler reports "global.c: storage size of 'qh_qh' isn't known"
+      - delete the initializer "={0}" in global.c, stat.c and mem.c
+  - if your compiler warns about "stat.c: improper initializer"
+      - this is ok, the initializer is not used
+  - if you have trouble building libqhull.a with 'ar'
+      - try 'make -f Makefile.txt qhullx' 
+  - if the code compiles, the qhull test case will automatically execute
+  - if an error occurs, there's an incompatibility between machines
+      - If you can, try a different compiler 
+      - You can turn off the Qhull memory manager with qh_NOmem in mem.h
+      - You can turn off compiler optimization (-O2 in Makefile)
+      - If you find the source of the problem, please let us know
+  - to install the programs and their man pages:
+      - define MANDIR and BINDIR
+      - type 'make install'
+
+  - if you have Geomview (www.geomview.org)
+       - try  'rbox 100 | qconvex G >a' and load 'a' into Geomview
+       - run 'q_eg' for Geomview examples of Qhull output (see qh-eg.htm)
+
+------------------
+Compiling on other machines and compilers
+
+  Qhull may compile with Borland C++ 5.0 bcc32.  A Makefile is included.
+  Execute 'cd src/libqhull; make -f Mborland'.  If you use the Borland IDE, set
+  the ANSI option in Options:Project:Compiler:Source:Language-compliance.
+  
+  Qhull may compile with Borland C++ 4.02 for Win32 and DOS Power Pack.  
+  Use 'cd src/libqhull; make -f Mborland -D_DPMI'.  Qhull 1.0 compiles with 
+  Borland C++ 4.02.  For rbox 1.0, use "bcc32 -WX -w- -O2-e -erbox -lc rbox.c".  
+  Use the same options for Qhull 1.0. [D. Zwick]
+  
+  If you have troubles with the memory manager, you can turn it off by
+  defining qh_NOmem in mem.h.
+
+-----------------
+Distributed files
+
+  README.txt           // Instructions for installing Qhull 
+  REGISTER.txt         // Qhull registration 
+  COPYING.txt          // Copyright notice 
+  QHULL-GO.lnk         // Windows icon for eg/qhull-go.bat
+  Announce.txt         // Announcement 
+  CMakeLists.txt       // CMake build file (2.6 or later)
+  CMakeModules/CheckLFS.cmake // enables Large File Support in cmake
+  File_id.diz          // Package descriptor
+  index.htm            // Home page 
+  Makefile             // Makefile for gcc and other compilers
+  qhull*.md5sum        // md5sum for all files
+
+  bin/*                // Qhull executables and dll (.zip only)
+  build/qhull*.pc.in   // pkg-config templates for qhull_r, qhull, and qhull_p
+  build/qhull-32.sln   // 32-bit DevStudio solution and project files (2010 and later)
+  build/*-32.vcxproj
+  build/qhull-64.sln   // 64-bit DevStudio solution and project files (2010 and later)
+  build/*-64.vcxproj
+  build/qhull.sln      // DevStudio solution and project files (2005 and 2009)
+  build/*.vcproj
+  eg/*                 // Test scripts and geomview files from q_eg
+  html/index.htm       // Manual
+  html/qh-faq.htm      // Frequently asked questions
+  html/qh-get.htm      // Download page
+  html/qhull-cpp.xml   // C++ style notes as a Road FAQ (www.qhull.org/road)
+  src/Changes.txt      // Change history for Qhull and rbox 
+  src/qhull-all.pro    // Qt project
+
+eg/ 
+  q_eg                 // shell script for Geomview examples (eg.01.cube)
+  q_egtest             // shell script for Geomview test examples
+  q_test               // shell script to test qhull
+  q_test-ok.txt        // output from q_test
+  qhulltest-ok.txt     // output from qhulltest (Qt only)
+  make-vcproj.sh       // bash shell script to create vcproj and vcxprog files
+  qhull-zip.sh	       // bash shell script for distribution files
+
+rbox consists of (bin, html):
+  rbox.exe             // Win32 executable (.zip only) 
+  rbox.htm             // html manual 
+  rbox.man             // Unix man page 
+  rbox.txt
+
+qhull consists of (bin, html):
+  qconvex.exe          // Win32 executables and dlls (.zip download only) 
+  qhull.exe            // Built with the reentrant library (about 2% slower)
+  qdelaunay.exe
+  qhalf.exe
+  qvoronoi.exe
+  qhull_r.dll
+  qhull-go.bat         // command window
+  qconvex.htm          // html manual
+  qdelaun.htm
+  qdelau_f.htm        
+  qhalf.htm
+  qvoronoi.htm
+  qvoron_f.htm
+  qh-eg.htm
+  qh-code.htm
+  qh-impre.htm
+  index.htm
+  qh-opt*.htm
+  qh-quick.htm
+  qh--*.gif            // images for manual
+  normal_voronoi_knauss_oesterle.jpg
+  qhull.man            // Unix man page 
+  qhull.txt
+
+bin/
+  msvcr80.dll          // Visual C++ redistributable file (.zip download only)
+
+src/
+  qhull/unix.c         // Qhull and rbox applications using non-reentrant libqhullstatic.a
+  rbox/rbox.c
+  qconvex/qconvex.c    
+  qhalf/qhalf.c
+  qdelaunay/qdelaunay.c
+  qvoronoi/qvoronoi.c
+
+  qhull/unix_r.c        // Qhull and rbox applications using reentrant libqhullstatic_r.a
+  rbox/rbox_r.c
+  qconvex/qconvex_r.c   // Qhull applications built with reentrant libqhull_r/Makefile  
+  qhalf/qhalf_r.c
+  qdelaunay/qdelaun_r.c
+  qvoronoi/qvoronoi_r.c
+
+  user_eg/user_eg_r.c     // example of using qhull_r.dll from a user program
+  user_eg2/user_eg2_r.c   // example of using libqhullstatic_r.a from a user program
+  user_eg3/user_eg3_r.cpp // example of Qhull's C++ interface libqhullcpp with libqhullstatic_r.a
+  qhulltest/qhulltest.cpp // Test of Qhull's C++ interface using Qt's QTestLib
+  qhull-*.pri             // Include files for Qt projects
+  testqset_r/testqset_r.c  // Test of reentrant qset_r.c and mem_r.c
+  testqset/testqset.c     // Test of non-rentrant qset.c and mem.c
+
+
+src/libqhull
+  libqhull.pro         // Qt project for non-rentrant, shared library (qhull.dll)
+  index.htm            // design documentation for libqhull
+  qh-*.htm
+  qhull-exports.def    // Export Definition file for Visual C++
+  Makefile             // Simple gcc Makefile for qhull and libqhullstatic.a
+  Mborland             // Makefile for Borland C++ 5.0
+
+  libqhull.h           // header file for qhull
+  user.h               // header file of user definable constants 
+  libqhull.c           // Quickhull algorithm with partitioning
+  user.c               // user re-definable functions 
+  usermem.c
+  userprintf.c
+  userprintf_rbox.c
+
+  qhull_a.h            // include files for libqhull/*.c 
+  geom.c               // geometric routines 
+  geom2.c
+  geom.h     
+  global.c             // global variables 
+  io.c                 // input-output routines 
+  io.h   
+  mem.c                // memory routines, this is stand-alone code 
+  mem.h
+  merge.c              // merging of non-convex facets 
+  merge.h
+  poly.c               // polyhedron routines 
+  poly2.c
+  poly.h 
+  qset.c               // set routines, this only depends on mem.c 
+  qset.h
+  random.c             // utilities w/ Park & Miller's random number generator
+  random.h
+  rboxlib.c            // point set generator for rbox
+  stat.c               // statistics 
+  stat.h
+
+src/libqhull_r
+  libqhull_r.pro       // Qt project for rentrant, shared library (qhull_r.dll)
+  index.htm            // design documentation for libqhull_r
+  qh-*_r.htm
+  qhull-exports_r.def  // Export Definition file for Visual C++
+  Makefile             // Simple gcc Makefile for qhull and libqhullstatic.a
+
+  libqhull_r.h          // header file for qhull
+  user_r.h              // header file of user definable constants 
+  libqhull_r.c          // Quickhull algorithm wi_r.hpartitioning
+  user_r.c              // user re-definable functions 
+  usermem.c
+  userprintf.c
+  userprintf_rbox.c
+  qhull_ra.h            // include files for libqhull/*_r.c
+  geom_r.c              // geometric routines 
+  geom2.c
+  geom_r.h    
+  global_r.c            // global variables 
+  io_r.c                // input-output routines 
+  io_r.h  
+  mem_r.c               // memory routines, this is stand-alone code 
+  mem.h
+  merge_r.c             // merging of non-convex facets 
+  merge.h
+  poly_r.c              // polyhedron routines 
+  poly2.c
+  poly_r.h
+  qset_r.c              // set routines, this only depends on mem_r.c
+  qset.h
+  random_r.c            // utilities w/ Park & Miller's random number generator
+  random.h
+  rboxlib_r.c           // point set generator for rbox
+  stat_r.c              // statistics 
+  stat.h
+
+src/libqhullcpp/
+  libqhullcpp.pro      // Qt project for renentrant, static C++ library     
+  Qhull.cpp            // Calls libqhull_r.c from C++
+  Qhull.h
+  qt-qhull.cpp         // Supporting methods for Qt
+    
+  Coordinates.cpp      // input classes
+  Coordinates.h
+
+  PointCoordinates.cpp
+  PointCoordinates.h
+  RboxPoints.cpp       // call rboxlib.c from C++
+  RboxPoints.h
+
+  QhullFacet.cpp       // data structure classes
+  QhullFacet.h
+  QhullHyperplane.cpp
+  QhullHyperplane.h
+  QhullPoint.cpp
+  QhullPoint.h
+  QhullQh.cpp
+  QhullRidge.cpp
+  QhullRidge.h
+  QhullVertex.cpp
+  QhullVertex.h
+  
+  QhullFacetList.cpp   // collection classes
+  QhullFacetList.h
+  QhullFacetSet.cpp
+  QhullFacetSet.h
+  QhullIterator.h
+  QhullLinkedList.h
+  QhullPoints.cpp
+  QhullPoints.h
+  QhullPointSet.cpp
+  QhullPointSet.h
+  QhullSet.cpp
+  QhullSet.h
+  QhullSets.h
+  QhullVertexSet.cpp
+  QhullVertexSet.h
+
+  functionObjects.h    // supporting classes
+  QhullError.cpp
+  QhullError.h
+  QhullQh.cpp
+  QhullQh.h
+  QhullStat.cpp
+  QhullStat.h
+  RoadError.cpp        // Supporting base classes
+  RoadError.h
+  RoadLogEvent.cpp
+  RoadLogEvent.h
+  usermem_r-cpp.cpp    // Optional override for qh_exit() to throw an error
+
+src/libqhullstatic/
+  libqhullstatic.pro   // Qt project for non-reentrant, static library     
+     
+src/libqhullstatic_r/
+  libqhullstatic_r.pro // Qt project for reentrant, static library     
+     
+src/qhulltest/
+  qhulltest.pro        // Qt project for test of C++ interface     
+  Coordinates_test.cpp // Test of each class
+  PointCoordinates_test.cpp
+  Qhull_test.cpp
+  QhullFacet_test.cpp
+  QhullFacetList_test.cpp
+  QhullFacetSet_test.cpp
+  QhullHyperplane_test.cpp
+  QhullLinkedList_test.cpp
+  QhullPoint_test.cpp
+  QhullPoints_test.cpp
+  QhullPointSet_test.cpp
+  QhullRidge_test.cpp
+  QhullSet_test.cpp
+  QhullVertex_test.cpp
+  QhullVertexSet_test.cpp
+  RboxPoints_test.cpp
+  RoadTest.cpp         // Run multiple test files with QTestLib
+  RoadTest.h
+
+-----------------
+Authors:
+
+  C. Bradford Barber                  Hannu Huhdanpaa (Version 1.0)
+  bradb@shore.net                     hannu@qhull.org
+  
+  Qhull 1.0 and 2.0 were developed under NSF grants NSF/DMS-8920161 
+  and NSF-CCR-91-15793 750-7504 at the Geometry Center and Harvard 
+  University.  If you find Qhull useful, please let us know.
--- a/src/qhull/REGISTER.txt
+++ b/src/qhull/REGISTER.txt
@@ -0,0 +1,32 @@
+Dear Qhull User
+
+We would like to find out how you are using our software.  Think of
+Qhull as a new kind of shareware: you share your science and successes 
+with us, and we share our software and support with you. 
+
+If you use Qhull, please send us a note telling
+us what you are doing with it.
+
+We need to know:
+
+  (1) What you are working on - an abstract of your work would be
+      fine.
+
+  (2) How Qhull has helped you, for example, by increasing your 
+      productivity or allowing you to do things you could not do
+      before.  If Qhull had a direct bearing on your work, please 
+      tell us about this.
+
+We encourage you to cite Qhull in your publications.  
+
+To cite Qhull, please use
+
+        Barber, C.B., Dobkin, D.P., and Huhdanpaa, H.T., "The Quickhull 
+        algorithm for convex hulls," ACM Trans. on Mathematical Software,
+        22(4):469-483, Dec 1996, http://www.qhull.org.
+
+Please send e-mail to
+
+    bradb@shore.net
+
+Thank you!
--- a/src/qhull/build/README.txt
+++ b/src/qhull/build/README.txt
@@ -0,0 +1,7 @@
+qhull/build
+
+This directory contains Microsoft .proj and .sln files for building Qhull with DevStudio.
+
+See ../README.txt for building with make, cmake, qt, and conftool
+
+Qhull builds write intermediate files into this directory.
--- a/src/qhull/build/libqhull-32.vcxproj
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@@ -0,0 +1,300 @@
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+				Name="VCManagedResourceCompilerTool"
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+				Name="VCPreLinkEventTool"
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+				Name="VCALinkTool"
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+				Name="VCWebDeploymentTool"
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+				Name="VCManagedResourceCompilerTool"
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+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
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+				Name="VCALinkTool"
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+				Name="VCXDCMakeTool"
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+				Name="VCBscMakeTool"
+			/>
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+			/>
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+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
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+				Name="VCWebServiceProxyGeneratorTool"
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+				Name="VCPreLinkEventTool"
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+			<Tool
+				Name="VCALinkTool"
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+				Name="VCManifestTool"
+			/>
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+				Name="VCXDCMakeTool"
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+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
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+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
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+	</Files>
+	<Globals>
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@@ -0,0 +1,272 @@
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+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
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+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhalf.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qhalf.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\qhalf\qhalf.c"  />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="../build/qhullstatic-64.vcxproj">
+      <Project>F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/qhalf.vcproj
+++ b/src/qhull/build/qhalf.vcproj
@@ -0,0 +1,429 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="qhalf"
+	ProjectGUID="{4C67E982-8B07-43B8-836E-EB7495176740}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="qhalf.dir\Debug"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhalf.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_d.lib "
+				OutputFile="..\bin\qhalf.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhalf.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhalf_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="qhalf.dir\Release"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhalf.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\qhalf.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\qhalf.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhalf.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="qhalf.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhalf.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\qhalf.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\qhalf.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhalf.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="qhalf.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhalf.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\qhalf.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhalf.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhalf.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\qhalf\qhalf.c"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/qhull-32.sln
+++ b/src/qhull/build/qhull-32.sln
@@ -0,0 +1,223 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libqhull", "libqhull-32.vcxproj", "{AE297F0D-5402-41C0-83B1-0194B583B67E}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qconvex", "qconvex-32.vcxproj", "{14FC642B-13AD-43EE-98A1-A15D9373B9BA}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qdelaunay", "qdelaunay-32.vcxproj", "{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhalf", "qhalf-32.vcxproj", "{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull", "qhull-32.vcxproj", "{E8BF0EA0-A09D-4155-BCEC-CC1B0DF8A67E}"
+	ProjectSection(ProjectDependencies) = postProject
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull_p", "qhull_p-32.vcxproj", "{9969E173-B078-4FC0-A35E-9F3B0FDA1CE9}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull_r", "qhull_r-32.vcxproj", "{D1E7C352-C0F9-4E64-B0CB-6C4371280C86}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullcpp", "qhullcpp-32.vcxproj", "{939F1F43-F252-486C-BB92-3166E44713A5}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullstatic", "qhullstatic-32.vcxproj", "{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullstatic_r", "qhullstatic_r-32.vcxproj", "{526F05C7-E54E-4673-91DC-A3AF75041688}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qvoronoi", "qvoronoi-32.vcxproj", "{7A587B07-AE31-4071-9D8B-105BFA3815C9}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "rbox", "rbox-32.vcxproj", "{F3F597F4-08BF-4567-8866-D8A66BB1B9BE}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testqset", "testqset-32.vcxproj", "{9ECBCBA4-269F-4ED1-B359-7522F9D19DDA}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testqset_r", "testqset_r-32.vcxproj", "{ACECEFF4-E332-4AD0-A89B-0D07A78FEA6A}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg", "user_eg-32.vcxproj", "{D1F6E2EB-53DB-44FB-AC8C-EC2A339683A7}"
+	ProjectSection(ProjectDependencies) = postProject
+		{D1E7C352-C0F9-4E64-B0CB-6C4371280C86} = {D1E7C352-C0F9-4E64-B0CB-6C4371280C86}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg2", "user_eg2-32.vcxproj", "{5564AE35-E8FE-4039-BD33-76B920D02BC9}"
+	ProjectSection(ProjectDependencies) = postProject
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg3", "user_eg3-32.vcxproj", "{E615D779-7F0A-4521-B7AD-B3C0D328652E}"
+	ProjectSection(ProjectDependencies) = postProject
+		{939F1F43-F252-486C-BB92-3166E44713A5} = {939F1F43-F252-486C-BB92-3166E44713A5}
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhulltest-32", "qhulltest\qhulltest-32.vcxproj", "{59F000B6-1AEC-3107-979D-510DA098577A}"
+	ProjectSection(ProjectDependencies) = postProject
+		{939F1F43-F252-486C-BB92-3166E44713A5} = {939F1F43-F252-486C-BB92-3166E44713A5}
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		MinSizeRel|Win32 = MinSizeRel|Win32
+		Release|Win32 = Release|Win32
+		RelWithDebInfo|Win32 = RelWithDebInfo|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.Debug|Win32.Build.0 = Debug|Win32
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.MinSizeRel|Win32.ActiveCfg = MinSizeRel|Win32
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.MinSizeRel|Win32.Build.0 = MinSizeRel|Win32
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+	EndGlobalSection
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+EndGlobal
--- a/src/qhull/build/qhull-32.vcxproj
+++ b/src/qhull/build/qhull-32.vcxproj
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+      <Optimization>Disabled</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
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+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
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+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic_rd.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qhull.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
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+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Release/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
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+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
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+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+      <DebugInformationFormat></DebugInformationFormat>
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+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
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+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
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+    <Link>
+      <AdditionalOptions> /machine:X86 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic_r.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qhull.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
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+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
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+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>MinSizeRel/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MinSpace</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic_r.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qhull.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic_r.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qhull.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\qhull\unix_r.c"  />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="../build/qhullstatic_r-64.vcxproj">
+      <Project>526F05C7-E54E-4673-91DC-A3AF75041688</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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+</Project>
--- a/src/qhull/build/qhull-64.sln
+++ b/src/qhull/build/qhull-64.sln
@@ -0,0 +1,223 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libqhull", "libqhull-64.vcxproj", "{AE297F0D-5402-41C0-83B1-0194B583B67E}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qconvex", "qconvex-64.vcxproj", "{14FC642B-13AD-43EE-98A1-A15D9373B9BA}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qdelaunay", "qdelaunay-64.vcxproj", "{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhalf", "qhalf-64.vcxproj", "{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull", "qhull-64.vcxproj", "{E8BF0EA0-A09D-4155-BCEC-CC1B0DF8A67E}"
+	ProjectSection(ProjectDependencies) = postProject
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull_p", "qhull_p-64.vcxproj", "{9969E173-B078-4FC0-A35E-9F3B0FDA1CE9}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull_r", "qhull_r-64.vcxproj", "{D1E7C352-C0F9-4E64-B0CB-6C4371280C86}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullcpp", "qhullcpp-64.vcxproj", "{939F1F43-F252-486C-BB92-3166E44713A5}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullstatic", "qhullstatic-64.vcxproj", "{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullstatic_r", "qhullstatic_r-64.vcxproj", "{526F05C7-E54E-4673-91DC-A3AF75041688}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qvoronoi", "qvoronoi-64.vcxproj", "{7A587B07-AE31-4071-9D8B-105BFA3815C9}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "rbox", "rbox-64.vcxproj", "{F3F597F4-08BF-4567-8866-D8A66BB1B9BE}"
+	ProjectSection(ProjectDependencies) = postProject
+		{F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B} = {F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testqset", "testqset-64.vcxproj", "{9ECBCBA4-269F-4ED1-B359-7522F9D19DDA}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testqset_r", "testqset_r-64.vcxproj", "{ACECEFF4-E332-4AD0-A89B-0D07A78FEA6A}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg", "user_eg-64.vcxproj", "{D1F6E2EB-53DB-44FB-AC8C-EC2A339683A7}"
+	ProjectSection(ProjectDependencies) = postProject
+		{D1E7C352-C0F9-4E64-B0CB-6C4371280C86} = {D1E7C352-C0F9-4E64-B0CB-6C4371280C86}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg2", "user_eg2-64.vcxproj", "{5564AE35-E8FE-4039-BD33-76B920D02BC9}"
+	ProjectSection(ProjectDependencies) = postProject
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg3", "user_eg3-64.vcxproj", "{E615D779-7F0A-4521-B7AD-B3C0D328652E}"
+	ProjectSection(ProjectDependencies) = postProject
+		{939F1F43-F252-486C-BB92-3166E44713A5} = {939F1F43-F252-486C-BB92-3166E44713A5}
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhulltest-64", "qhulltest\qhulltest-64.vcxproj", "{59F000B6-1AEC-3107-979D-510DA098577A}"
+	ProjectSection(ProjectDependencies) = postProject
+		{939F1F43-F252-486C-BB92-3166E44713A5} = {939F1F43-F252-486C-BB92-3166E44713A5}
+		{526F05C7-E54E-4673-91DC-A3AF75041688} = {526F05C7-E54E-4673-91DC-A3AF75041688}
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		MinSizeRel|x64 = MinSizeRel|x64
+		Release|x64 = Release|x64
+		RelWithDebInfo|x64 = RelWithDebInfo|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.Debug|x64.ActiveCfg = Debug|x64
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+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.MinSizeRel|x64.ActiveCfg = MinSizeRel|x64
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.Release|x64.ActiveCfg = Release|x64
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.Release|x64.Build.0 = Release|x64
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
+		{AE297F0D-5402-41C0-83B1-0194B583B67E}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
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+		{14FC642B-13AD-43EE-98A1-A15D9373B9BA}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
+		{14FC642B-13AD-43EE-98A1-A15D9373B9BA}.Release|x64.ActiveCfg = Release|x64
+		{14FC642B-13AD-43EE-98A1-A15D9373B9BA}.Release|x64.Build.0 = Release|x64
+		{14FC642B-13AD-43EE-98A1-A15D9373B9BA}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
+		{14FC642B-13AD-43EE-98A1-A15D9373B9BA}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
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+		{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}.Debug|x64.Build.0 = Debug|x64
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+		{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
+		{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}.Release|x64.ActiveCfg = Release|x64
+		{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}.Release|x64.Build.0 = Release|x64
+		{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
+		{6120B9C5-847B-44DF-BD51-E3DCFC5BD7D8}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
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+		{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}.MinSizeRel|x64.ActiveCfg = MinSizeRel|x64
+		{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
+		{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}.Release|x64.ActiveCfg = Release|x64
+		{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}.Release|x64.Build.0 = Release|x64
+		{A5FC7430-68C4-4F67-BC69-C231FAC40A9A}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
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+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic_r.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qhull.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\qhull\unix_r.c"  />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="../build/qhullstatic_r-64.vcxproj">
+      <Project>526F05C7-E54E-4673-91DC-A3AF75041688</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/qhull.pc.in
+++ b/src/qhull/build/qhull.pc.in
@@ -0,0 +1,14 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+includedir=@includedir@
+libdir=@libdir@
+
+Name: qhull
+Description: Non-reentrant library (global struct) for convex hull, Delaunay triangulation, Voronoi diagram, and halfspace intersection about a point
+# qh_QHpointer==0
+Version: @VERSION@
+URL: http://www.qhull.org
+Requires:
+Conflicts:
+Libs: -L${libdir} -lqhull -lm
+Cflags: -I${includedir}
--- a/src/qhull/build/qhull.sln
+++ b/src/qhull/build/qhull.sln
@@ -0,0 +1,233 @@
+Microsoft Visual Studio Solution File, Format Version 9.00
+# Visual Studio 2005
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libqhull", "libqhull.vcproj", "{51BD63AB-336E-4215-B725-21F144BCBCBC}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qconvex", "qconvex.vcproj", "{F909F400-6805-477F-B85B-5230DED4CB55}"
+	ProjectSection(ProjectDependencies) = postProject
+		{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC} = {5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}
+	EndProjectSection
+EndProject
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+	ProjectSection(ProjectDependencies) = postProject
+		{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC} = {5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}
+	EndProjectSection
+EndProject
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+	ProjectSection(ProjectDependencies) = postProject
+		{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC} = {5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull", "qhull.vcproj", "{6D8411B9-813D-4DE4-84B5-56C0BC381A14}"
+	ProjectSection(ProjectDependencies) = postProject
+		{635EC42D-5C25-4D20-B5C2-D0A0034EB9B8} = {635EC42D-5C25-4D20-B5C2-D0A0034EB9B8}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull_p", "qhull_p.vcproj", "{9A9C8B7B-2D5A-428E-A5D6-303FAF68AB19}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhull_r", "qhull_r.vcproj", "{DA9B53C4-2817-4E37-9181-E61959CBB0FE}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullcpp", "qhullcpp.vcproj", "{7326816B-C401-4ACA-8027-03BA7A98C16B}"
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+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullstatic", "qhullstatic.vcproj", "{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhullstatic_r", "qhullstatic_r.vcproj", "{635EC42D-5C25-4D20-B5C2-D0A0034EB9B8}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qvoronoi", "qvoronoi.vcproj", "{0807C09D-455C-417A-A979-2081F170C923}"
+	ProjectSection(ProjectDependencies) = postProject
+		{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC} = {5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}
+	EndProjectSection
+EndProject
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+	ProjectSection(ProjectDependencies) = postProject
+		{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC} = {5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testqset", "testqset.vcproj", "{2D714931-0586-42C5-A0F9-1A4ECD251890}"
+	ProjectSection(ProjectDependencies) = postProject
+		{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC} = {5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testqset_r", "testqset_r.vcproj", "{8C831027-7179-451A-9C7C-805381706037}"
+	ProjectSection(ProjectDependencies) = postProject
+		{635EC42D-5C25-4D20-B5C2-D0A0034EB9B8} = {635EC42D-5C25-4D20-B5C2-D0A0034EB9B8}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "user_eg", "user_eg.vcproj", "{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}"
+	ProjectSection(ProjectDependencies) = postProject
+		{DA9B53C4-2817-4E37-9181-E61959CBB0FE} = {DA9B53C4-2817-4E37-9181-E61959CBB0FE}
+	EndProjectSection
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+	ProjectSection(ProjectDependencies) = postProject
+		{635EC42D-5C25-4D20-B5C2-D0A0034EB9B8} = {635EC42D-5C25-4D20-B5C2-D0A0034EB9B8}
+	EndProjectSection
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+	ProjectSection(ProjectDependencies) = postProject
+		{7326816B-C401-4ACA-8027-03BA7A98C16B} = {7326816B-C401-4ACA-8027-03BA7A98C16B}
+		{635EC42D-5C25-4D20-B5C2-D0A0034EB9B8} = {635EC42D-5C25-4D20-B5C2-D0A0034EB9B8}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "qhulltest", "qhulltest\qhulltest.vcproj", "{E12E04D0-C11C-36C0-950E-A203DCBFB37C}"
+	ProjectSection(ProjectDependencies) = postProject
+		{635EC42D-5C25-4D20-B5C2-D0A0034EB9B8} = {635EC42D-5C25-4D20-B5C2-D0A0034EB9B8}
+		{7326816B-C401-4ACA-8027-03BA7A98C16B} = {7326816B-C401-4ACA-8027-03BA7A98C16B}
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		MinSizeRel|Win32 = MinSizeRel|Win32
+		Release|Win32 = Release|Win32
+		RelWithDebInfo|Win32 = RelWithDebInfo|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+		{1B7A1D90-AEDB-42A4-A1BD-B0C5CD430BF2}.Release|Win32.ActiveCfg = Release|Win32
+		{1B7A1D90-AEDB-42A4-A1BD-B0C5CD430BF2}.Release|Win32.Build.0 = Release|Win32
+		{1B7A1D90-AEDB-42A4-A1BD-B0C5CD430BF2}.RelWithDebInfo|Win32.ActiveCfg = RelWithDebInfo|Win32
+		{1B7A1D90-AEDB-42A4-A1BD-B0C5CD430BF2}.RelWithDebInfo|Win32.Build.0 = RelWithDebInfo|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.Debug|Win32.ActiveCfg = Debug|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.Debug|Win32.Build.0 = Debug|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.MinSizeRel|Win32.ActiveCfg = MinSizeRel|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.MinSizeRel|Win32.Build.0 = MinSizeRel|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.Release|Win32.ActiveCfg = Release|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.Release|Win32.Build.0 = Release|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.RelWithDebInfo|Win32.ActiveCfg = RelWithDebInfo|Win32
+		{2D714931-0586-42C5-A0F9-1A4ECD251890}.RelWithDebInfo|Win32.Build.0 = RelWithDebInfo|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.Debug|Win32.Build.0 = Debug|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.MinSizeRel|Win32.ActiveCfg = MinSizeRel|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.MinSizeRel|Win32.Build.0 = MinSizeRel|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.Release|Win32.ActiveCfg = Release|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.Release|Win32.Build.0 = Release|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.RelWithDebInfo|Win32.ActiveCfg = RelWithDebInfo|Win32
+		{8C831027-7179-451A-9C7C-805381706037}.RelWithDebInfo|Win32.Build.0 = RelWithDebInfo|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.Debug|Win32.ActiveCfg = Debug|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.Debug|Win32.Build.0 = Debug|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.MinSizeRel|Win32.ActiveCfg = MinSizeRel|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.MinSizeRel|Win32.Build.0 = MinSizeRel|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.Release|Win32.ActiveCfg = Release|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.Release|Win32.Build.0 = Release|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.RelWithDebInfo|Win32.ActiveCfg = RelWithDebInfo|Win32
+		{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}.RelWithDebInfo|Win32.Build.0 = RelWithDebInfo|Win32
+		{782D2A68-F0EC-4D0E-B443-017E02FB53E8}.Debug|Win32.ActiveCfg = Debug|Win32
+		{782D2A68-F0EC-4D0E-B443-017E02FB53E8}.Debug|Win32.Build.0 = Debug|Win32
+		{782D2A68-F0EC-4D0E-B443-017E02FB53E8}.MinSizeRel|Win32.ActiveCfg = MinSizeRel|Win32
+		{782D2A68-F0EC-4D0E-B443-017E02FB53E8}.MinSizeRel|Win32.Build.0 = MinSizeRel|Win32
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+		{782D2A68-F0EC-4D0E-B443-017E02FB53E8}.Release|Win32.Build.0 = Release|Win32
+		{782D2A68-F0EC-4D0E-B443-017E02FB53E8}.RelWithDebInfo|Win32.ActiveCfg = RelWithDebInfo|Win32
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+		{83203305-79D5-412C-9819-0F9AD5C34EC1}.Debug|Win32.ActiveCfg = Debug|Win32
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+		{83203305-79D5-412C-9819-0F9AD5C34EC1}.MinSizeRel|Win32.ActiveCfg = MinSizeRel|Win32
+		{83203305-79D5-412C-9819-0F9AD5C34EC1}.MinSizeRel|Win32.Build.0 = MinSizeRel|Win32
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+		{83203305-79D5-412C-9819-0F9AD5C34EC1}.RelWithDebInfo|Win32.ActiveCfg = RelWithDebInfo|Win32
+		{83203305-79D5-412C-9819-0F9AD5C34EC1}.RelWithDebInfo|Win32.Build.0 = RelWithDebInfo|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.Debug|Win32.ActiveCfg = Debug|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.Debug|Win32.Build.0 = Debug|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.MinSizeRel|Win32.ActiveCfg = Release|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.MinSizeRel|Win32.Build.0 = Release|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.Release|Win32.ActiveCfg = Release|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.Release|Win32.Build.0 = Release|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.RelWithDebInfo|Win32.ActiveCfg = Release|Win32
+		{E12E04D0-C11C-36C0-950E-A203DCBFB37C}.RelWithDebInfo|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
--- a/src/qhull/build/qhull.vcproj
+++ b/src/qhull/build/qhull.vcproj
@@ -0,0 +1,429 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="qhull"
+	ProjectGUID="{6D8411B9-813D-4DE4-84B5-56C0BC381A14}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="qhull.dir\Debug"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_rd.lib "
+				OutputFile="..\bin\qhull.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhull.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhull_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="qhull.dir\Release"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_r.lib "
+				OutputFile="..\bin\qhull.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\qhull.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhull.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="qhull.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_r.lib "
+				OutputFile="..\bin\qhull.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\qhull.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhull.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="qhull.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_r.lib "
+				OutputFile="..\bin\qhull.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhull.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qhull.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\qhull\unix_r.c"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/qhull_p-32.vcxproj
+++ b/src/qhull/build/qhull_p-32.vcxproj
@@ -0,0 +1,300 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="MinSizeRel|Win32">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{9969E173-B078-4FC0-A35E-9F3B0FDA1CE9}</ProjectGUID>
+    <Keyword>Win32Proj</Keyword>
+    <Platform>Win32</Platform>
+    <ProjectName>qhull_p</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
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+      <Optimization>MinSpace</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull_p.lib</ImportLibrary>
+      <ModuleDefinitionFile>../src/libqhull/qhull_p-exports.def</ModuleDefinitionFile>
+      <ProgramDataBaseFile>../bin/qhull_p.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull_p.lib</ImportLibrary>
+      <ModuleDefinitionFile>../src/libqhull/qhull_p-exports.def</ModuleDefinitionFile>
+      <ProgramDataBaseFile>../bin/qhull_p.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\libqhull\libqhull.h" />
+    <ClInclude Include="..\src\libqhull\geom.h" />
+    <ClInclude Include="..\src\libqhull\io.h" />
+    <ClInclude Include="..\src\libqhull\mem.h" />
+    <ClInclude Include="..\src\libqhull\merge.h" />
+    <ClInclude Include="..\src\libqhull\poly.h" />
+    <ClInclude Include="..\src\libqhull\qhull_a.h" />
+    <ClInclude Include="..\src\libqhull\qset.h" />
+    <ClInclude Include="..\src\libqhull\random.h" />
+    <ClInclude Include="..\src\libqhull\stat.h" />
+    <ClInclude Include="..\src\libqhull\user.h" />
+    <ClCompile Include="..\src\libqhull\global.c"  />
+    <ClCompile Include="..\src\libqhull\stat.c"  />
+    <ClCompile Include="..\src\libqhull\geom2.c"  />
+    <ClCompile Include="..\src\libqhull\poly2.c"  />
+    <ClCompile Include="..\src\libqhull\merge.c"  />
+    <ClCompile Include="..\src\libqhull\libqhull.c"  />
+    <ClCompile Include="..\src\libqhull\geom.c"  />
+    <ClCompile Include="..\src\libqhull\poly.c"  />
+    <ClCompile Include="..\src\libqhull\qset.c"  />
+    <ClCompile Include="..\src\libqhull\mem.c"  />
+    <ClCompile Include="..\src\libqhull\random.c"  />
+    <ClCompile Include="..\src\libqhull\usermem.c"  />
+    <ClCompile Include="..\src\libqhull\userprintf.c"  />
+    <ClCompile Include="..\src\libqhull\io.c"  />
+    <ClCompile Include="..\src\libqhull\user.c"  />
+    <ClCompile Include="..\src\libqhull\rboxlib.c"  />
+    <ClCompile Include="..\src\libqhull\userprintf_rbox.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/qhull_p.pc.in
+++ b/src/qhull/build/qhull_p.pc.in
@@ -0,0 +1,14 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+includedir=@includedir@
+libdir=@libdir@
+
+Name: qhull_p
+Description: Non-reentrant library (global pointer) for convex hull, Delaunay triangulation, Voronoi diagram, and halfspace intersection about a point
+# qh_QHpointer==1
+Version: @VERSION@
+URL: http://www.qhull.org
+Requires:
+Conflicts:
+Libs: -L${libdir} -lqhull_p -lm
+Cflags: -I${includedir}
--- a/src/qhull/build/qhull_p.vcproj
+++ b/src/qhull/build/qhull_p.vcproj
@@ -0,0 +1,545 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="qhull_p"
+	ProjectGUID="{9A9C8B7B-2D5A-428E-A5D6-303FAF68AB19}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="qhull_p.dir\Debug"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_p.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_p_d.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull\qhull_p-exports.def"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhull_p.pdb"
+				ImportLibrary="..\lib\qhull_p_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="qhull_p.dir\Release"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_p.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_p.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull\qhull_p-exports.def"
+				ProgramDatabaseFile="..\bin\qhull_p.pdb"
+				ImportLibrary="..\lib\qhull_p.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="qhull_p.dir\MinSizeRel"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_p.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_p.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull\qhull_p-exports.def"
+				ProgramDatabaseFile="..\bin\qhull_p.pdb"
+				ImportLibrary="..\lib\qhull_p.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="qhull_p.dir\RelWithDebInfo"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_p.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_QHpointer;qhull_p_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_p.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull\qhull_p-exports.def"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhull_p.pdb"
+				ImportLibrary="..\lib\qhull_p.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\libqhull\geom.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\geom2.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\global.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\io.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\libqhull.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\mem.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\merge.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\poly.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\poly2.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qhull_p-exports.def"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qset.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\random.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\rboxlib.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\stat.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\user.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\usermem.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\userprintf.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\userprintf_rbox.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
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+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull_rd.lib</ImportLibrary>
+      <ModuleDefinitionFile>../src/libqhull_r/qhull_r-exports.def</ModuleDefinitionFile>
+      <ProgramDataBaseFile>../bin/qhull_rd.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Release/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull_r.lib</ImportLibrary>
+      <ModuleDefinitionFile>../src/libqhull_r/qhull_r-exports.def</ModuleDefinitionFile>
+      <ProgramDataBaseFile>../bin/qhull_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>MinSizeRel/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MinSpace</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull_r.lib</ImportLibrary>
+      <ModuleDefinitionFile>../src/libqhull_r/qhull_r-exports.def</ModuleDefinitionFile>
+      <ProgramDataBaseFile>../bin/qhull_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qhull_r.lib</ImportLibrary>
+      <ModuleDefinitionFile>../src/libqhull_r/qhull_r-exports.def</ModuleDefinitionFile>
+      <ProgramDataBaseFile>../bin/qhull_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\libqhull_r\libqhull_r.h" />
+    <ClInclude Include="..\src\libqhull_r\geom_r.h" />
+    <ClInclude Include="..\src\libqhull_r\io_r.h" />
+    <ClInclude Include="..\src\libqhull_r\mem_r.h" />
+    <ClInclude Include="..\src\libqhull_r\merge_r.h" />
+    <ClInclude Include="..\src\libqhull_r\poly_r.h" />
+    <ClInclude Include="..\src\libqhull_r\qhull_ra.h" />
+    <ClInclude Include="..\src\libqhull_r\qset_r.h" />
+    <ClInclude Include="..\src\libqhull_r\random_r.h" />
+    <ClInclude Include="..\src\libqhull_r\stat_r.h" />
+    <ClInclude Include="..\src\libqhull_r\user_r.h" />
+    <ClCompile Include="..\src\libqhull_r\global_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\stat_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\geom2_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\poly2_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\merge_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\libqhull_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\geom_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\poly_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\qset_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\mem_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\random_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\usermem_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\userprintf_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\io_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\user_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\rboxlib_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\userprintf_rbox_r.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/qhull_r.pc.in
+++ b/src/qhull/build/qhull_r.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+includedir=@includedir@
+libdir=@libdir@
+
+Name: qhull_r
+Description: Reentrant library for convex hull, Delaunay triangulation, Voronoi diagram, and halfspace intersection about a point
+Version: @VERSION@
+Requires:
+Libs: -L${libdir} -lqhull_r -lm
+Cflags: -I${includedir}
--- a/src/qhull/build/qhull_r.vcproj
+++ b/src/qhull/build/qhull_r.vcproj
@@ -0,0 +1,545 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="qhull_r"
+	ProjectGUID="{DA9B53C4-2817-4E37-9181-E61959CBB0FE}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="qhull_r.dir\Debug"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG;qhull_r_EXPORTS"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_r.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG;qhull_r_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_rd.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull_r\qhull_r-exports.def"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qhull_rd.pdb"
+				ImportLibrary="..\lib\qhull_rd.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="qhull_r.dir\Release"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_r.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_r.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull_r\qhull_r-exports.def"
+				ProgramDatabaseFile="..\bin\qhull_r.pdb"
+				ImportLibrary="..\lib\qhull_r.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="qhull_r.dir\MinSizeRel"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_r.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\qhull_r.dll"
+				Version="7.1"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ModuleDefinitionFile="..\src\libqhull_r\qhull_r-exports.def"
+				ProgramDatabaseFile="..\bin\qhull_r.pdb"
+				ImportLibrary="..\lib\qhull_r.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="qhull_r.dir\RelWithDebInfo"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhull_r.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qhull_r_EXPORTS"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
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+    <ClCompile Include="..\src\libqhull\poly2.c"  />
+    <ClCompile Include="..\src\libqhull\merge.c"  />
+    <ClCompile Include="..\src\libqhull\libqhull.c"  />
+    <ClCompile Include="..\src\libqhull\geom.c"  />
+    <ClCompile Include="..\src\libqhull\poly.c"  />
+    <ClCompile Include="..\src\libqhull\qset.c"  />
+    <ClCompile Include="..\src\libqhull\mem.c"  />
+    <ClCompile Include="..\src\libqhull\random.c"  />
+    <ClCompile Include="..\src\libqhull\usermem.c"  />
+    <ClCompile Include="..\src\libqhull\userprintf.c"  />
+    <ClCompile Include="..\src\libqhull\io.c"  />
+    <ClCompile Include="..\src\libqhull\user.c"  />
+    <ClCompile Include="..\src\libqhull\rboxlib.c"  />
+    <ClCompile Include="..\src\libqhull\userprintf_rbox.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/qhullstatic.vcproj
+++ b/src/qhull/build/qhullstatic.vcproj
@@ -0,0 +1,467 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="qhullstatic"
+	ProjectGUID="{5B24F2E7-EF6E-4AF6-B2CE-1E049B1A12AC}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="qhullstatic.dir\Debug"
+			ConfigurationType="4"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhullstatic.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+				OutputFile="..\lib\qhullstatic_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="qhullstatic.dir\Release"
+			ConfigurationType="4"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhullstatic.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+				OutputFile="..\lib\qhullstatic.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="qhullstatic.dir\MinSizeRel"
+			ConfigurationType="4"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhullstatic.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+				OutputFile="..\lib\qhullstatic.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="qhullstatic.dir\RelWithDebInfo"
+			ConfigurationType="4"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qhullstatic.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+				OutputFile="..\lib\qhullstatic.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\libqhull\geom.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\geom2.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\global.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\io.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\libqhull.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\mem.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\merge.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\poly.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\poly2.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qset.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\random.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\rboxlib.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\stat.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\user.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\usermem.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\userprintf.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\userprintf_rbox.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			>
+			<File
+				RelativePath="..\src\libqhull\geom.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\io.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\libqhull.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\mem.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\merge.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\poly.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qhull_a.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qset.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\random.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\stat.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\user.h"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/qhullstatic_r-32.vcxproj
+++ b/src/qhull/build/qhullstatic_r-32.vcxproj
@@ -0,0 +1,232 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="MinSizeRel|Win32">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{526F05C7-E54E-4673-91DC-A3AF75041688}</ProjectGUID>
+    <Keyword>Win32Proj</Keyword>
+    <Platform>Win32</Platform>
+    <ProjectName>qhullstatic_r</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'" Label="Configuration">
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+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+    <PropertyGroup>
+      <_ProjectFileVersion>10.0.20506.1</_ProjectFileVersion>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\lib\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">qhullstatic_r.dir\Debug\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">qhullstatic_rd</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.lib</TargetExt>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\lib\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">qhullstatic_r.dir\Release\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">qhullstatic_r</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.lib</TargetExt>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">..\lib\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">qhullstatic_r.dir\MinSizeRel\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">qhullstatic_r</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">.lib</TargetExt>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">..\lib\</OutDir>
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+      <TargetName Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">qhullstatic_r</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">.lib</TargetExt>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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+      <AssemblerListingLocation>Debug/</AssemblerListingLocation>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
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+      <InlineFunctionExpansion>Disabled</InlineFunctionExpansion>
+      <Optimization>Disabled</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
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+    <ResourceCompile>
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+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\RoadTest.h -o moc\moc_RoadTest.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo /*-------------------------------------------------------------------- >..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * Precompiled header source file used by Visual Studio.NET to generate>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * the .pch file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * Due to issues with the dependencies checker within the IDE, it>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * sometimes fails to recompile the PCH file, if we force the IDE to>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * create the PCH file directly from the header file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * This file is auto-generated by qmake since no PRECOMPILED_SOURCE was>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * specified, and is used as the common stdafx.cpp. The file is only>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * generated when creating -64.vcxproj project files, and is not used for>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * command line compilations by nmake.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * WARNING: All changes made in this file will be lost.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo --------------------------------------------------------------------*/>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo #include &quot;RoadTest.h&quot;>>..\..\src\qhulltest\RoadTest.h.cpp</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">Generating precompiled header source file &apos;..\..\src\qhulltest\RoadTest.h.cpp&apos; ...</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">moc\moc_RoadTest.cpp;..\..\src\qhulltest\RoadTest.h.cpp;%(Outputs)</Outputs>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">..\..\src\qhulltest\RoadTest.h;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\RoadTest.h -o moc\moc_RoadTest.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo /*-------------------------------------------------------------------- >..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * Precompiled header source file used by Visual Studio.NET to generate>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * the .pch file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * Due to issues with the dependencies checker within the IDE, it>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * sometimes fails to recompile the PCH file, if we force the IDE to>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * create the PCH file directly from the header file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * This file is auto-generated by qmake since no PRECOMPILED_SOURCE was>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * specified, and is used as the common stdafx.cpp. The file is only>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * generated when creating -64.vcxproj project files, and is not used for>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * command line compilations by nmake.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo * WARNING: All changes made in this file will be lost.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo --------------------------------------------------------------------*/>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCEnd&#x000D;&#x000A;echo #include &quot;RoadTest.h&quot;>>..\..\src\qhulltest\RoadTest.h.cpp</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">Generating precompiled header source file &apos;..\..\src\qhulltest\RoadTest.h.cpp&apos; ...</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">moc\moc_RoadTest.cpp;..\..\src\qhulltest\RoadTest.h.cpp;%(Outputs)</Outputs>
+    </CustomBuild>
+  </ItemGroup>
+  <ItemGroup>
+    <CustomBuild Include="moc\Coordinates_test.moc">
+      <FileType>Document</FileType>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">..\..\src\qhulltest\Coordinates_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\Coordinates_test.cpp -o moc\Coordinates_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">MOC ..\..\src\qhulltest\Coordinates_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">moc\Coordinates_test.moc;%(Outputs)</Outputs>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">..\..\src\qhulltest\Coordinates_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\Coordinates_test.cpp -o moc\Coordinates_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">MOC ..\..\src\qhulltest\Coordinates_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">moc\Coordinates_test.moc;%(Outputs)</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="moc\PointCoordinates_test.moc">
+      <FileType>Document</FileType>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">..\..\src\qhulltest\PointCoordinates_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\PointCoordinates_test.cpp -o moc\PointCoordinates_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">MOC ..\..\src\qhulltest\PointCoordinates_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">moc\PointCoordinates_test.moc;%(Outputs)</Outputs>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">..\..\src\qhulltest\PointCoordinates_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\PointCoordinates_test.cpp -o moc\PointCoordinates_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">MOC ..\..\src\qhulltest\PointCoordinates_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">moc\PointCoordinates_test.moc;%(Outputs)</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="moc\QhullFacetList_test.moc">
+      <FileType>Document</FileType>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">..\..\src\qhulltest\QhullFacetList_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\QhullFacetList_test.cpp -o moc\QhullFacetList_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">MOC ..\..\src\qhulltest\QhullFacetList_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">moc\QhullFacetList_test.moc;%(Outputs)</Outputs>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">..\..\src\qhulltest\QhullFacetList_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\QhullFacetList_test.cpp -o moc\QhullFacetList_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">MOC ..\..\src\qhulltest\QhullFacetList_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">moc\QhullFacetList_test.moc;%(Outputs)</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="moc\QhullFacetSet_test.moc">
+      <FileType>Document</FileType>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">..\..\src\qhulltest\QhullFacetSet_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\QhullFacetSet_test.cpp -o moc\QhullFacetSet_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">MOC ..\..\src\qhulltest\QhullFacetSet_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">moc\QhullFacetSet_test.moc;%(Outputs)</Outputs>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">..\..\src\qhulltest\QhullFacetSet_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\QhullFacetSet_test.cpp -o moc\QhullFacetSet_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">MOC ..\..\src\qhulltest\QhullFacetSet_test.cpp</Message>
+      <Outputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Debug|Win32&apos;">moc\QhullFacetSet_test.moc;%(Outputs)</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="moc\QhullFacet_test.moc">
+      <FileType>Document</FileType>
+      <AdditionalInputs Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">..\..\src\qhulltest\QhullFacet_test.cpp;%(AdditionalInputs)</AdditionalInputs>
+      <Command Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">$(QTDIR)\bin\moc.exe  -DUNICODE -DWIN32 -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_OPENGL_ES_2 -DQT_OPENGL_ES_2_ANGLE -DQT_TESTCASE_BUILDDIR=\&quot;../../build/qhulltest\&quot; -DQT_NO_DYNAMIC_CAST -D_MSC_VER=1700 -D_WIN32 -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;$(QTDIR)\include&quot; -I&quot;$(QTDIR)\include\QtTest&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtGui&quot; -I&quot;$(QTDIR)\..\Src\qtbase\include\QtANGLE&quot; -I&quot;C:\include&quot; -I&quot;C:\include\QtGui&quot; -I&quot;$(QTDIR)\include\QtCore&quot; -I&quot;moc&quot; -I&quot;.&quot; -I$(QTDIR)\mkspecs\win32-msvc2012 ..\..\src\qhulltest\QhullFacet_test.cpp -o moc\QhullFacet_test.moc</Command>
+      <Message Condition="&apos;$(Configuration)|$(Platform)&apos;==&apos;Release|Win32&apos;">MOC ..\..\src\qhulltest\QhullFacet_test.cpp</Message>
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--- a/src/qhull/build/qhulltest/qhulltest.vcproj
+++ b/src/qhull/build/qhulltest/qhulltest.vcproj
@@ -0,0 +1,595 @@
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+	Name="qhulltest"
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+			ConfigurationType="1"
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+				Name="VCCLCompilerTool"
+				AdditionalIncludeDirectories="&quot;c:\Qt\4.7.4\include\QtCore&quot;,&quot;c:\Qt\4.7.4\include\QtGui&quot;,&quot;c:\Qt\4.7.4\include\QtTest&quot;,&quot;c:\Qt\4.7.4\include&quot;,&quot;..\..\src&quot;,&quot;..\..\src&quot;,&quot;c:\Qt\4.7.4\include\ActiveQt&quot;,&quot;moc&quot;,&quot;..\..\src\qhulltest&quot;,&quot;.&quot;,c:\Qt\4.7.4\mkspecs\win32-msvc2005"
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+				PrecompiledHeaderFile="$(IntDir)\qhulltest.pch"
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+			<Tool
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+				Name="VCPreBuildEventTool" />
+			<Tool
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+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="QT_NO_DEBUG,NDEBUG,UNICODE,WIN32,QT_LARGEFILE_SUPPORT,QT_DLL,QT_NO_DEBUG,QT_TESTLIB_LIB,QT_GUI_LIB,QT_CORE_LIB,QT_HAVE_MMX,QT_HAVE_3DNOW,QT_HAVE_SSE,QT_HAVE_MMXEXT,QT_HAVE_SSE2,QT_THREAD_SUPPORT,QT_NO_DYNAMIC_CAST" />
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+		<Filter
+			Name="Source Files"
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+			<File
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+			<File
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+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\RoadTest.h;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\RoadTest.h -o moc\moc_RoadTest.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo /*-------------------------------------------------------------------- >..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * Precompiled header source file used by Visual Studio.NET to generate>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * the .pch file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * Due to issues with the dependencies checker within the IDE, it>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * sometimes fails to recompile the PCH file, if we force the IDE to>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * create the PCH file directly from the header file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * This file is auto-generated by qmake since no PRECOMPILED_SOURCE was>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * specified, and is used as the common stdafx.cpp. The file is only>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * generated when creating .vcproj project files, and is not used for>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * command line compilations by nmake.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * WARNING: All changes made in this file will be lost.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo --------------------------------------------------------------------*/>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo #include &quot;RoadTest.h&quot;>>..\..\src\qhulltest\RoadTest.h.cpp"
+						Description="Generating precompiled header source file &apos;..\..\src\qhulltest\RoadTest.h.cpp&apos; ..."
+						Outputs="moc\moc_RoadTest.cpp;..\..\src\qhulltest\RoadTest.h.cpp"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\RoadTest.h;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\RoadTest.h -o moc\moc_RoadTest.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo /*-------------------------------------------------------------------- >..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * Precompiled header source file used by Visual Studio.NET to generate>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * the .pch file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * Due to issues with the dependencies checker within the IDE, it>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * sometimes fails to recompile the PCH file, if we force the IDE to>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * create the PCH file directly from the header file.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * This file is auto-generated by qmake since no PRECOMPILED_SOURCE was>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * specified, and is used as the common stdafx.cpp. The file is only>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * generated when creating .vcproj project files, and is not used for>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * command line compilations by nmake.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo *>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo * WARNING: All changes made in this file will be lost.>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo --------------------------------------------------------------------*/>>..\..\src\qhulltest\RoadTest.h.cpp&#x000D;&#x000A;if errorlevel 1 goto VCReportError&#x000D;&#x000A;echo #include &quot;RoadTest.h&quot;>>..\..\src\qhulltest\RoadTest.h.cpp"
+						Description="Generating precompiled header source file &apos;..\..\src\qhulltest\RoadTest.h.cpp&apos; ..."
+						Outputs="moc\moc_RoadTest.cpp;..\..\src\qhulltest\RoadTest.h.cpp"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
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+			Name="Generated Files"
+			Filter="cpp;c;cxx;moc;h;def;odl;idl;res;"
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+			<File
+				RelativePath="moc\Coordinates_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\Coordinates_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\Coordinates_test.cpp -o moc\Coordinates_test.moc"
+						Description="MOC ..\..\src\qhulltest\Coordinates_test.cpp"
+						Outputs="moc\Coordinates_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\Coordinates_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\Coordinates_test.cpp -o moc\Coordinates_test.moc"
+						Description="MOC ..\..\src\qhulltest\Coordinates_test.cpp"
+						Outputs="moc\Coordinates_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\PointCoordinates_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\PointCoordinates_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\PointCoordinates_test.cpp -o moc\PointCoordinates_test.moc"
+						Description="MOC ..\..\src\qhulltest\PointCoordinates_test.cpp"
+						Outputs="moc\PointCoordinates_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\PointCoordinates_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\PointCoordinates_test.cpp -o moc\PointCoordinates_test.moc"
+						Description="MOC ..\..\src\qhulltest\PointCoordinates_test.cpp"
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+				RelativePath="moc\QhullFacetList_test.moc">
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+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullFacetList_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullFacetList_test.cpp -o moc\QhullFacetList_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullFacetList_test.cpp"
+						Outputs="moc\QhullFacetList_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullFacetList_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullFacetList_test.cpp -o moc\QhullFacetList_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullFacetList_test.cpp"
+						Outputs="moc\QhullFacetList_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\QhullFacetSet_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullFacetSet_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullFacetSet_test.cpp -o moc\QhullFacetSet_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullFacetSet_test.cpp"
+						Outputs="moc\QhullFacetSet_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullFacetSet_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullFacetSet_test.cpp -o moc\QhullFacetSet_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullFacetSet_test.cpp"
+						Outputs="moc\QhullFacetSet_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\QhullFacet_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullFacet_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullFacet_test.cpp -o moc\QhullFacet_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullFacet_test.cpp"
+						Outputs="moc\QhullFacet_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullFacet_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullFacet_test.cpp -o moc\QhullFacet_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullFacet_test.cpp"
+						Outputs="moc\QhullFacet_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\QhullHyperplane_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullHyperplane_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullHyperplane_test.cpp -o moc\QhullHyperplane_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullHyperplane_test.cpp"
+						Outputs="moc\QhullHyperplane_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullHyperplane_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullHyperplane_test.cpp -o moc\QhullHyperplane_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullHyperplane_test.cpp"
+						Outputs="moc\QhullHyperplane_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\QhullLinkedList_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullLinkedList_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullLinkedList_test.cpp -o moc\QhullLinkedList_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullLinkedList_test.cpp"
+						Outputs="moc\QhullLinkedList_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullLinkedList_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullLinkedList_test.cpp -o moc\QhullLinkedList_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullLinkedList_test.cpp"
+						Outputs="moc\QhullLinkedList_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\QhullPointSet_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullPointSet_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullPointSet_test.cpp -o moc\QhullPointSet_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullPointSet_test.cpp"
+						Outputs="moc\QhullPointSet_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullPointSet_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullPointSet_test.cpp -o moc\QhullPointSet_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullPointSet_test.cpp"
+						Outputs="moc\QhullPointSet_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="moc\QhullPoint_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullPoint_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullPoint_test.cpp -o moc\QhullPoint_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullPoint_test.cpp"
+						Outputs="moc\QhullPoint_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
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+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullPoint_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
+						CommandLine="C:\Qt\4.7.4\bin\moc.exe  -DUNICODE -DWIN32 -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_TESTLIB_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NO_DYNAMIC_CAST -I&quot;c:\Qt\4.7.4\include\QtCore&quot; -I&quot;c:\Qt\4.7.4\include\QtGui&quot; -I&quot;c:\Qt\4.7.4\include\QtTest&quot; -I&quot;c:\Qt\4.7.4\include&quot; -I&quot;..\..\src&quot; -I&quot;..\..\src&quot; -I&quot;c:\Qt\4.7.4\include\ActiveQt&quot; -I&quot;moc&quot; -I&quot;..\..\src\qhulltest&quot; -I&quot;.&quot; -Ic:\Qt\4.7.4\mkspecs\win32-msvc2005 -D_MSC_VER=1400 -DWIN32 ..\..\src\qhulltest\QhullPoint_test.cpp -o moc\QhullPoint_test.moc"
+						Description="MOC ..\..\src\qhulltest\QhullPoint_test.cpp"
+						Outputs="moc\QhullPoint_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
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+				RelativePath="moc\QhullPoints_test.moc">
+				<FileConfiguration
+					Name="Debug|Win32">
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+						Name="VCCustomBuildTool"
+						AdditionalDependencies="..\..\src\qhulltest\QhullPoints_test.cpp;C:\Qt\4.7.4\bin\moc.exe"
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+						Description="MOC ..\..\src\qhulltest\QhullPoints_test.cpp"
+						Outputs="moc\QhullPoints_test.moc"
+						Path="c:\Qt\4.7.4\bin" />
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+						Description="MOC ..\..\src\qhulltest\QhullPoints_test.cpp"
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+						Path="c:\Qt\4.7.4\bin" />
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+						Description="MOC ..\..\src\qhulltest\QhullRidge_test.cpp"
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+						Description="MOC ..\..\src\qhulltest\QhullRidge_test.cpp"
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+						Description="MOC ..\..\src\qhulltest\QhullSet_test.cpp"
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+						Description="MOC ..\..\src\qhulltest\QhullVertexSet_test.cpp"
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+						Description="MOC ..\..\src\qhulltest\QhullVertexSet_test.cpp"
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+						Path="c:\Qt\4.7.4\bin" />
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+						Name="VCCustomBuildTool"
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+						Description="MOC ..\..\src\qhulltest\QhullVertex_test.cpp"
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+						Name="VCCustomBuildTool"
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+						Description="MOC ..\..\src\qhulltest\QhullVertex_test.cpp"
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+						Name="VCCustomBuildTool"
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+					Name="Release|Win32">
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+						Description="MOC ..\..\src\qhulltest\Qhull_test.cpp"
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+						Path="c:\Qt\4.7.4\bin" />
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+						Description="MOC ..\..\src\qhulltest\RboxPoints_test.cpp"
+						Outputs="moc\RboxPoints_test.moc"
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+					Name="Release|Win32">
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+						Description="MOC ..\..\src\qhulltest\RboxPoints_test.cpp"
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+				RelativePath="..\..\src\qhulltest\RoadTest.h.cpp">
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+					Name="Debug|Win32">
+					<Tool
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+						ForcedIncludeFiles="$(NOINHERIT)"
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+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/qvoronoi.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/qvoronoi.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\qvoronoi\qvoronoi.c"  />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="../build/qhullstatic-64.vcxproj">
+      <Project>F9AF9BC6-2CA5-4E0C-982B-CF7974723A0B</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/qvoronoi.vcproj
+++ b/src/qhull/build/qvoronoi.vcproj
@@ -0,0 +1,429 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="qvoronoi"
+	ProjectGUID="{0807C09D-455C-417A-A979-2081F170C923}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="qvoronoi.dir\Debug"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qvoronoi.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_d.lib "
+				OutputFile="..\bin\qvoronoi.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qvoronoi.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qvoronoi_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="qvoronoi.dir\Release"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qvoronoi.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\qvoronoi.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\qvoronoi.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qvoronoi.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="qvoronoi.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qvoronoi.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\qvoronoi.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\qvoronoi.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qvoronoi.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="qvoronoi.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\qvoronoi.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\qvoronoi.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\qvoronoi.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\qvoronoi.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\qvoronoi\qvoronoi.c"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/rbox-32.vcxproj
+++ b/src/qhull/build/rbox-32.vcxproj
@@ -0,0 +1,272 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="MinSizeRel|Win32">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{F3F597F4-08BF-4567-8866-D8A66BB1B9BE}</ProjectGUID>
+    <Keyword>Win32Proj</Keyword>
+    <Platform>Win32</Platform>
+    <ProjectName>rbox</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+    <PropertyGroup>
+      <_ProjectFileVersion>10.0.20506.1</_ProjectFileVersion>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">rbox.dir\Debug\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">rbox</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">rbox.dir\Release\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">rbox</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">rbox.dir\MinSizeRel\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">rbox</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">rbox.dir\RelWithDebInfo\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">rbox</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">true</GenerateManifest>
+    </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Debug/</AssemblerListingLocation>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
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+      <InlineFunctionExpansion>Disabled</InlineFunctionExpansion>
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+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
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+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhullstatic_d.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
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+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/rbox.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/rbox.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
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+			CharacterSet="2"
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+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\rbox.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\rbox.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\rbox.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\rbox.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="rbox.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\rbox.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\rbox.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\rbox.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\rbox.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="rbox.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\rbox.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic.lib "
+				OutputFile="..\bin\rbox.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\rbox.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\rbox.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\rbox\rbox.c"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/testqset-32.vcxproj
+++ b/src/qhull/build/testqset-32.vcxproj
@@ -0,0 +1,274 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="MinSizeRel|Win32">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{9ECBCBA4-269F-4ED1-B359-7522F9D19DDA}</ProjectGUID>
+    <Keyword>Win32Proj</Keyword>
+    <Platform>Win32</Platform>
+    <ProjectName>testqset</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+    <PropertyGroup>
+      <_ProjectFileVersion>10.0.20506.1</_ProjectFileVersion>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">testqset.dir\Debug\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">testqset.dir\Release\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">testqset.dir\MinSizeRel\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">testqset.dir\RelWithDebInfo\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">true</GenerateManifest>
+    </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Debug/</AssemblerListingLocation>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>Disabled</InlineFunctionExpansion>
+      <Optimization>Disabled</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Release/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>MinSizeRel/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MinSpace</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\libqhull\mem.h" />
+    <ClInclude Include="..\src\libqhull\qset.h" />
+    <ClCompile Include="..\src\libqhull\qset.c"  />
+    <ClCompile Include="..\src\libqhull\mem.c"  />
+    <ClCompile Include="..\src\libqhull\usermem.c"  />
+    <ClCompile Include="..\src\testqset\testqset.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/testqset-64.vcxproj
+++ b/src/qhull/build/testqset-64.vcxproj
@@ -0,0 +1,274 @@
+<?xml version="1.0" encoding="UTF-8"?>
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+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|x64">
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+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="MinSizeRel|x64">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="RelWithDebInfo|x64">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>x64</Platform>
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+    <Keyword>x64Proj</Keyword>
+    <Platform>x64</Platform>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
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+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">testqset.dir\Debug\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">testqset.dir\Release\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|x64'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Release|x64'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">testqset.dir\MinSizeRel\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">testqset.dir\RelWithDebInfo\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">testqset</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">true</GenerateManifest>
+    </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Debug/</AssemblerListingLocation>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>Disabled</InlineFunctionExpansion>
+      <Optimization>Disabled</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Release/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>MinSizeRel/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MinSpace</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\libqhull\mem.h" />
+    <ClInclude Include="..\src\libqhull\qset.h" />
+    <ClCompile Include="..\src\libqhull\qset.c"  />
+    <ClCompile Include="..\src\libqhull\mem.c"  />
+    <ClCompile Include="..\src\libqhull\usermem.c"  />
+    <ClCompile Include="..\src\testqset\testqset.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/testqset.vcproj
+++ b/src/qhull/build/testqset.vcproj
@@ -0,0 +1,453 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="testqset"
+	ProjectGUID="{2D714931-0586-42C5-A0F9-1A4ECD251890}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="testqset.dir\Debug"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\testqset.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="testqset.dir\Release"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\testqset.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="testqset.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\testqset.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="testqset.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\testqset.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\libqhull\mem.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qset.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\testqset\testqset.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\usermem.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			>
+			<File
+				RelativePath="..\src\libqhull\mem.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull\qset.h"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/testqset_r-32.vcxproj
+++ b/src/qhull/build/testqset_r-32.vcxproj
@@ -0,0 +1,274 @@
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+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="MinSizeRel|Win32">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{ACECEFF4-E332-4AD0-A89B-0D07A78FEA6A}</ProjectGUID>
+    <Keyword>Win32Proj</Keyword>
+    <Platform>Win32</Platform>
+    <ProjectName>testqset_r</ProjectName>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+    <PropertyGroup>
+      <_ProjectFileVersion>10.0.20506.1</_ProjectFileVersion>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">testqset_r.dir\Debug\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">testqset_r</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">testqset_r.dir\Release\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">testqset_r</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">testqset_r.dir\MinSizeRel\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">testqset_r</TargetName>
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+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">testqset_r.dir\RelWithDebInfo\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">testqset_r</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">true</GenerateManifest>
+    </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Debug/</AssemblerListingLocation>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <CompileAs>CompileAsC</CompileAs>
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+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
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+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
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+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
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+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+      <CompileAs>CompileAsC</CompileAs>
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+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
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+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
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+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
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+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
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+    <Link>
+      <AdditionalOptions> /machine:X86 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>MinSizeRel/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
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+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
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+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
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+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
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+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
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+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:X86 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
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+  </ItemDefinitionGroup>
+  <ItemGroup>
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+  <ItemGroup>
+    <ClInclude Include="..\src\libqhull_r\mem_r.h" />
+    <ClInclude Include="..\src\libqhull_r\qset_r.h" />
+    <ClCompile Include="..\src\libqhull_r\qset_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\mem_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\usermem_r.c"  />
+    <ClCompile Include="..\src\testqset_r\testqset_r.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/testqset_r-64.vcxproj
+++ b/src/qhull/build/testqset_r-64.vcxproj
@@ -0,0 +1,274 @@
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+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="MinSizeRel|x64">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="RelWithDebInfo|x64">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>x64</Platform>
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+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{ACECEFF4-E332-4AD0-A89B-0D07A78FEA6A}</ProjectGUID>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
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+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>Disabled</InlineFunctionExpansion>
+      <Optimization>Disabled</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Release/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>MinSizeRel/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MinSpace</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <DebugInformationFormat></DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/testqset_r.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/testqset_r.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\libqhull_r\mem_r.h" />
+    <ClInclude Include="..\src\libqhull_r\qset_r.h" />
+    <ClCompile Include="..\src\libqhull_r\qset_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\mem_r.c"  />
+    <ClCompile Include="..\src\libqhull_r\usermem_r.c"  />
+    <ClCompile Include="..\src\testqset_r\testqset_r.c"  />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/testqset_r.vcproj
+++ b/src/qhull/build/testqset_r.vcproj
@@ -0,0 +1,453 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="testqset_r"
+	ProjectGUID="{8C831027-7179-451A-9C7C-805381706037}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="testqset_r.dir\Debug"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset_r.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset_r.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\testqset_rd.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset_rd.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="testqset_r.dir\Release"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset_r.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset_r.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\testqset_r.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset_r.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="testqset_r.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset_r.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset_r.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\testqset_r.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset_r.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="testqset_r.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\testqset_r.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  "
+				OutputFile="..\bin\testqset_r.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\testqset_r.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\testqset_r.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\libqhull_r\mem_r.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull_r\qset_r.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\testqset_r\testqset_r.c"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull_r\usermem_r.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			>
+			<File
+				RelativePath="..\src\libqhull_r\mem_r.h"
+				>
+			</File>
+			<File
+				RelativePath="..\src\libqhull_r\qset_r.h"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/user_eg-32.vcxproj
+++ b/src/qhull/build/user_eg-32.vcxproj
@@ -0,0 +1,272 @@
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+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_dllimport;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhull_r.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/user_eg.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/user_eg.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>RelWithDebInfo/</AssemblerListingLocation>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <Optimization>MaxSpeed</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <WarningLevel>Level3</WarningLevel>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_dllimport;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;qh_dllimport;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <OutputDirectory>$(ProjectDir)/$(IntDir)</OutputDirectory>
+      <HeaderFileName>%(Filename).h</HeaderFileName>
+      <TypeLibraryName>%(Filename).tlb</TypeLibraryName>
+      <InterfaceIdentifierFileName>%(Filename)_i.c</InterfaceIdentifierFileName>
+      <ProxyFileName>%(Filename)_p.c</ProxyFileName>
+    </Midl>
+    <Link>
+      <AdditionalOptions> /machine:x64 /debug %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;comdlg32.lib;advapi32.lib;..\lib\qhull_r.lib</AdditionalDependencies>
+      <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
+      <ImportLibrary>../lib/user_eg.lib</ImportLibrary>
+      <ProgramDataBaseFile>../bin/user_eg.pdb</ProgramDataBaseFile>
+      <SubSystem>Console</SubSystem>
+      <Version></Version>
+    </Link>
+    <ProjectReference>
+      <LinkLibraryDependencies>false</LinkLibraryDependencies>
+    </ProjectReference>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\user_eg\user_eg_r.c"  />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="../build/qhull_r-64.vcxproj">
+      <Project>D1E7C352-C0F9-4E64-B0CB-6C4371280C86</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/src/qhull/build/user_eg.vcproj
+++ b/src/qhull/build/user_eg.vcproj
@@ -0,0 +1,429 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="user_eg"
+	ProjectGUID="{6FE77AAD-0F23-416B-ABAC-C8A0A24F1441}"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="user_eg.dir\Debug"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="0"
+				InlineFunctionExpansion="0"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG;qh_dllimport"
+				ExceptionHandling="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Debug"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\user_eg.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG;qh_dllimport"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhull_rd.lib "
+				OutputFile="..\bin\user_eg.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\user_eg.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg_d.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="user_eg.dir\Release"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_dllimport"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="Release"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\user_eg.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_dllimport"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhull_r.lib "
+				OutputFile="..\bin\user_eg.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\user_eg.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="user_eg.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_dllimport"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\user_eg.pdb"
+				WarningLevel="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_dllimport"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhull_r.lib "
+				OutputFile="..\bin\user_eg.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\user_eg.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="user_eg.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_dllimport"
+				ExceptionHandling="0"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\user_eg.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="1"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG;qh_dllimport"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhull_r.lib "
+				OutputFile="..\bin\user_eg.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\user_eg.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\user_eg\user_eg_r.c"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/build/user_eg2-32.vcxproj
+++ b/src/qhull/build/user_eg2-32.vcxproj
@@ -0,0 +1,272 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="MinSizeRel|Win32">
+      <Configuration>MinSizeRel</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="RelWithDebInfo|Win32">
+      <Configuration>RelWithDebInfo</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGUID>{5564AE35-E8FE-4039-BD33-76B920D02BC9}</ProjectGUID>
+    <Keyword>Win32Proj</Keyword>
+    <Platform>Win32</Platform>
+    <ProjectName>user_eg2</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseOfMfc>false</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+    <PropertyGroup>
+      <_ProjectFileVersion>10.0.20506.1</_ProjectFileVersion>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">user_eg2.dir\Debug\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">user_eg2</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">user_eg2.dir\Release\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">user_eg2</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">user_eg2.dir\MinSizeRel\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">user_eg2</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='MinSizeRel|Win32'">true</GenerateManifest>
+      <OutDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">..\bin\</OutDir>
+      <IntDir Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">user_eg2.dir\RelWithDebInfo\</IntDir>
+      <TargetName Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">user_eg2</TargetName>
+      <TargetExt Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">.exe</TargetExt>
+      <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">false</LinkIncremental>
+      <GenerateManifest Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|Win32'">true</GenerateManifest>
+    </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AssemblerListingLocation>Debug/</AssemblerListingLocation>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <CompileAs>CompileAsC</CompileAs>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <InlineFunctionExpansion>Disabled</InlineFunctionExpansion>
+      <Optimization>Disabled</Optimization>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
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+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
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+				Name="VCManagedResourceCompilerTool"
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+				PreprocessorDefinitions="WIN32;_WINDOWS;_DEBUG"
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+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
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+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_rd.lib "
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+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
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+			<Tool
+				Name="VCXDCMakeTool"
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+				Name="VCBscMakeTool"
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+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
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+			<Tool
+				Name="VCPreBuildEventTool"
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+				Name="VCCustomBuildTool"
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+				Name="VCMIDLTool"
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+				GenerateStublessProxies="true"
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+				ProxyFileName="$(InputName)_p.c"
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+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
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+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
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+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
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+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_r.lib "
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+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg2.lib"
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+				Name="VCALinkTool"
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+				Name="VCManifestTool"
+			/>
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+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
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+			UseOfMFC="0"
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+			<Tool
+				Name="VCPreBuildEventTool"
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+				Name="VCCustomBuildTool"
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+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
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+				Name="VCMIDLTool"
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+				ProxyFileName="$(InputName)_p.c"
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+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
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+				CompileAs="1"
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+				Name="VCManagedResourceCompilerTool"
+			/>
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+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
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+				Name="VCLinkerTool"
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+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_r.lib "
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+			<Tool
+				Name="VCALinkTool"
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+				Name="VCManifestTool"
+			/>
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+				Name="VCXDCMakeTool"
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+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
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+			OutputDirectory="RelWithDebInfo"
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+			<Tool
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+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
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+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
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+			<Tool
+				Name="VCManagedResourceCompilerTool"
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+				Name="VCResourceCompilerTool"
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+			<Tool
+				Name="VCPreLinkEventTool"
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+				Name="VCLinkerTool"
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+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullstatic_r.lib "
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+			<Tool
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+				Name="VCXDCMakeTool"
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+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
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+	<References>
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+	<Files>
+		<Filter
+			Name="Source Files"
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+  <ImportGroup Label="PropertySheets">
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+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullcpp.lib ..\lib\qhullstatic_r.lib "
+				OutputFile="..\bin\user_eg3.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\user_eg3.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg3.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="MinSizeRel|Win32"
+			OutputDirectory="MinSizeRel"
+			IntermediateDirectory="user_eg3.dir\MinSizeRel"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="1"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="1"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="MinSizeRel"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\user_eg3.pdb"
+				WarningLevel="3"
+				CompileAs="2"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullcpp.lib ..\lib\qhullstatic_r.lib "
+				OutputFile="..\bin\user_eg3.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				ProgramDatabaseFile="..\bin\user_eg3.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg3.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="RelWithDebInfo|Win32"
+			OutputDirectory="RelWithDebInfo"
+			IntermediateDirectory="user_eg3.dir\RelWithDebInfo"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="false"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				MkTypLibCompatible="false"
+				TargetEnvironment="1"
+				GenerateStublessProxies="true"
+				TypeLibraryName="$(InputName).tlb"
+				OutputDirectory="$(IntDir)"
+				HeaderFileName="$(InputName).h"
+				DLLDataFileName=""
+				InterfaceIdentifierFileName="$(InputName)_i.c"
+				ProxyFileName="$(InputName)_p.c"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /Zm1000"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\src;"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				ExceptionHandling="1"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="false"
+				AssemblerListingLocation="RelWithDebInfo"
+				ObjectFile="$(IntDir)\"
+				ProgramDataBaseFileName="..\bin\user_eg3.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				CompileAs="2"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="WIN32;_WINDOWS;NDEBUG"
+				AdditionalIncludeDirectories="..\src;"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkLibraryDependencies="false"
+				AdditionalOptions=" /STACK:10000000 /machine:X86 /debug"
+				AdditionalDependencies="$(NOINHERIT) kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib  ..\lib\qhullcpp.lib ..\lib\qhullstatic_r.lib "
+				OutputFile="..\bin\user_eg3.exe"
+				Version="0.0"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="..\bin\user_eg3.pdb"
+				SubSystem="1"
+				ImportLibrary="..\lib\user_eg3.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			>
+			<File
+				RelativePath="..\src\user_eg3\user_eg3_r.cpp"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
--- a/src/qhull/eg/Qhull-go.bat
+++ b/src/qhull/eg/Qhull-go.bat
@@ -0,0 +1,18 @@
+: Qhull-go.bat invoked as cmd.com from QHULL-GO
+@echo off
+echo.
+echo ========= Qhull with rbox, qconvex, qdelaunay, qvoronoi, qhalf ============
+echo. 
+echo       Use arrow keys to repeat and edit commands.
+echo.
+echo       Double-click window bar for full height, or 
+echo            "right-click > Properties > Layout > Window Size > Height > 50 "
+echo.
+echo       Type 'qconvex' for synopsis and examples.
+echo.
+echo ========= 
+echo.
+
+title Qhull
+cd bin
+%comspec%
--- a/src/qhull/eg/make-vcproj.sh
+++ b/src/qhull/eg/make-vcproj.sh
@@ -0,0 +1,229 @@
+#!/bin/bash
+#
+# make-vcproj.sh -- Make sln and vcproj files from CMakeLists.txt and qhull-all.pro
+#
+# CMake vcproj files includes absolute paths and does not handle 'd' annotatios for debug versions
+#	Remove CMake targets
+#       Change absolute paths to '../...'
+#       Append '_d' to debug products
+#       Write targets to '../lib/' and ../bin/'
+#
+# $Id: //main/2015/qhull/eg/make-vcproj.sh#4 $$Change: 2070 $
+# $DateTime: 2016/01/18 22:45:12 $$Author: bbarber $
+
+if [[ "$1" != "" && "$1" != "Win64" && "$1" != "sed-only" ]]; then
+    echo "eg/make-vcproj.sh [Win64] [sed-only]"
+    echo "Written for 'sed 4.0.7', 'Visual Studio 11 2012 Win64', and 'Visual Studio 8 2005'"
+    echo "Other variations are likely to fail"
+    exit
+fi
+if [[ "$1" == "Win64" ]]; then
+    if [[ "$2" != "" && "$2" != "sed-only" ]]; then
+	echo "working/make-vcproj.sh [Win64] [sed-only]"
+	exit
+    fi
+    win64=1
+else
+    win64=0
+fi
+
+
+if [[ "$1" == "sed-only" || "$2" == "sed-only" ]]; then
+    echo Skip creating buildvc/ and buildqt/
+else # Matches 'sed-only'
+
+if [[ ! -f CMakeLists.txt || ! -f src/qhull-all.pro ]]; then
+    echo "Excute eg/make-vcproj.sh from qhull directory with CMakeLists.txt and src/qhull-all.pro"
+    exit
+fi
+
+echo "Set up build directories..."
+if [[ ! -d build-prev ]]; then
+    echo "Backup previous build"
+    cp -r build build-prev && rm -rf build
+fi
+rm -rf buildvc buildqt
+mkdir -p build
+mkdir -p build/qhulltest
+mkdir -p buildvc
+mkdir -p buildqt
+echo "Create vcproj files with cmake and qmake..."
+if [[ $win64 -eq 1 ]]; then
+    echo Running -- cmake -G "Visual Studio 11 2012 Win64" 
+    cd buildvc && cmake -G "Visual Studio 11 2012 Win64" .. && cmake ..
+else
+    echo Running -- cmake -G "Visual Studio 8 2005"
+    cd buildvc && cmake -G "Visual Studio 8 2005" .. && cmake ..
+fi
+cd ..
+cd buildqt && qmake -tp vc -r ../src/qhull-all.pro
+cd ..
+if [[ ! -f CMakeLists.txt ]]; then
+    echo "Missing CMakeLists.txt.  Cannot run cmake"
+    exit
+elif [[ (! -f buildvc/qhull.vcproj && ! -f buildvc/qhull.vcxproj) || (! -f buildqt/qhulltest/qhulltest.vcproj && ! -f buildqt/qhulltest/qhulltest.vcxproj) ]]; then
+    echo "qmake and cmake did not build vcproj or vcxproj files in buildvc/ and buildqt/"
+    exit
+fi
+
+echo
+echo 'Create build/*.vcproj by converting absolute paths to relative paths'
+echo Removes INSTALL/ALL_BUILD/ZERO_CHECK/RUN_TESTS projects
+echo Turn off LinkIncremental and RuntimeTypeInfo
+echo Add 'd' flags to debug lib/dll files...
+echo 'Delete  <file> CMake...</file> and other instances of CMake'
+echo 'WARN: These sed replacements depend on how CMake creates vcproj or vcxproj files.  It is likely to change.'
+
+fi # Skipped if 'sed-only'
+
+for f in buildvc/*.vc*proj buildqt/qhulltest/*.vc*proj; do 
+    echo -n $f
+    if [[ ! ${f##*INSTALL*} || ! ${f##*ALL_BUILD*} || ! ${f##*ZERO_CHECK*} || ! ${f##*RUN_TESTS*}  ]]; then
+        echo " removed"
+	continue
+    fi
+    if [[ $win64 -eq 1 ]]; then
+        ext=${f##*.}
+        base=${f#*\/}
+        base=${base%.*}
+        dest=build/$base-64.$ext
+        echo " => $dest"
+	# sed requires a blank or \ before address ranges
+	# sed requires a \/ for s|...|...| !
+	# the ConfigurationType clauses depend on Debug being first
+	sed -r \
+	    -e ' /CustomBuild.*CMake/,/CustomBuild/ d' \
+	    -e ' /ZERO_CHECK/,/ProjectReference/ d' \
+	    -e ' />qhulltest<S/,/Project>/ s|[cC]:\\bash\\local\\qhull|..\\..|g' \
+	    -e ' />qhulltest</,/Project>/ s|[cC]:\/bash\/local\/qhull|..\/..|g' \
+	    -e 's|[cC]:\\bash\\local\\qhull|..|g' \
+	    -e 's|[cC]:\/bash\/local\/qhull|..|g' \
+	    -e '\|CMake| d' \
+	    -e '\|VCWebServiceProxyGeneratorTool| d' \
+	    -e 's/;CMAKE_INTDIR=[^;]*;/;/' \
+	    -e 's/;[a-zA-Z]*\\([_a-z0-9]*\.lib[;<])/;..\\lib\\\1/g' \
+	    -e ' /LinkIncremental/ s/true/false/' \
+	    -e 's/buildvc/build/g' \
+	    -e 's/buildqt/build/g' \
+	    -e 's/c:\\qt\\[0-9]\.[0-9]\.[0-9]/\$(QTDIR)/g' \
+	    -e 's|..\/build\/[a-zA-Z]*[\\/]([_a-z0-9]*.pdb)|..\/bin\/\1|g' \
+	    -e 's|..\/build\/[a-zA-Z]*[\\/]([_a-z0-9]*.exe)|..\/bin\/\1|g' \
+	    -e 's|..\/build\/[a-zA-Z]*[\\/]([_a-z0-9]*.lib)|..\/lib\/\1|g' \
+	    -e 's|..\/build\/[a-zA-Z]*[\\/]([_a-z0-9]*.dll)|..\/bin\/\1|g' \
+	    -e 's| [a-zA-Z]*[\\/]([_a-z0-9]*\.lib)| ..\\lib\\\1|g' \
+	    -e 's/"([_a-z0-9]*.exe)/"..\\bin\\\1/g' \
+	    -e ' /ConfigurationType>Application/,/ClInclude/ s/(OutDir.*\.\.)[\\a-zA-Z]*</\1\\bin\\</' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/ClInclude/ s/(OutDir.*\.\.)[\\a-zA-Z]*</\1\\bin\\</' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/ImportLibrary/ s/(ImportLibrary.*_[rp])\.lib</\1d.lib</' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/ImportLibrary/ s/(ImportLibrary.*[^d])\.lib</\1_d.lib</' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/TargetName.*Debug/ s/(TargetName.*_[pr])</\1d</' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/TargetName.*Debug/ s/(TargetName.*Debug.*[^d])</\1_d</' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/ProgramDataBaseFile/ s/(ProgramDataBaseFile.*_[pr])\.pdb/\1d.pdb/' \
+	    -e ' /ConfigurationType>DynamicLibrary/,/ProgramDataBaseFile/ s/(ProgramDataBaseFile.*[^d])\.pdb/\1_d.pdb/' \
+	    -e ' /ConfigurationType>StaticLibrary/,/ClInclude/ s/(OutDir.*\.\.)[\\a-zA-Z]*</\1\\lib\\</' \
+	    -e ' /ConfigurationType>StaticLibrary/,/ImportLibrary/ s/(ImportLibrary.*_[rp])\.lib</\1d.lib</' \
+	    -e ' /ConfigurationType>StaticLibrary/,/ImportLibrary/ s/(ImportLibrary.*[^d])\.lib</\1_d.lib</' \
+	    -e ' /ConfigurationType>StaticLibrary/,/TargetName.*Debug/ s/(TargetName.*_[pr])</\1d</' \
+	    -e ' /ConfigurationType>StaticLibrary/,/TargetName.*Debug/ s/(TargetName.*Debug.*[^d])</\1_d</' \
+	    -e ' /ConfigurationType>StaticLibrary/,/ProgramDataBaseFile/ s/(ProgramDataBaseFile.*_[pr])\.pdb/\1d.pdb/' \
+	    -e ' /ConfigurationType>StaticLibrary/,/ProgramDataBaseFile/ s/(ProgramDataBaseFile.*[^d])\.pdb/\1_d.pdb/' \
+	    -e ' /ItemDefinitionGroup.*Debug/,/AdditionalDependencies/ s/(AdditionalDependencies.*_r)\.lib/\1d.lib/g' \
+	    -e ' /ItemDefinitionGroup.*Debug/,/AdditionalDependencies/ s/(AdditionalDependencies.*qhull[a-z]*[^d])\.lib/\1_d.lib/g' \
+	    -e ' /AdditionalDependencies/ s/;[a-zA-Z]*\\/;..\\lib\\/g' \
+	    -e 's/[cC]:\\[qQ]t\\[qQt0-9.\\]*msvc[_0-9]*/\$(QTDIR)/g' \
+	    -e 's/[cC]:\\[qQ]t\\[qQt0-9.\\]*/\$(QTDIR)\\..\\/g' \
+	    -e 's/([|>])Win32/\1x64/' \
+	    -e 's/machine:X86/machine:x64/' \
+  	    -e 's/\.vcxproj/-64.vcxproj/' \
+	    $f | awk '/<File$/ && !SkipFirstFile,/<\/File>/{ next } /<Filter$/{SkipFirstFile=1} {print $0}' > $dest
+    else   
+        dest=build/${f##*\/}
+	# sed requires a blank or \ before address ranges
+	sed -r -e 's|[cC]:\\bash\\local\\qhull|..|g' \
+	    -e 's|[cC]:/bash/local/qhull|..|g' \
+	    -e '\|CMake| d' \
+	    -e '\|VCWebServiceProxyGeneratorTool| d' \
+	    -e 's/;CMAKE_INTDIR=..quot;[A-Za-z]*..quot;//' \
+	    -e 's/LinkIncremental="2"/LinkIncremental="1"/' \
+	    -e 's/RuntimeLibrary[=]/RuntimeTypeInfo="false"  RuntimeLibrary=/' \
+	    -e 's/.*RuntimeTypeInfo."TRUE".*//' \
+	    -e 's/buildvc/build/g' \
+	    -e 's/buildqt/build/g' \
+	    -e 's/\.\.\\\.\./../g' \
+	    -e 's|\.\./\.\.|..|g' \
+	    -e 's/c:\\qt\\[0-9]\.[0-9]\.[0-9]/\$(QTDIR)/g' \
+	    -e 's|..\\build\\[a-zA-Z]*[\\/]([_a-z0-9]*.pdb)|..\\bin\\\1|g' \
+	    -e 's|..\\build\\[a-zA-Z]*[\\/]([_a-z0-9]*.exe)|..\\bin\\\1|g' \
+	    -e 's|..\\build\\[a-zA-Z]*[\\/]([_a-z0-9]*.lib)|..\\lib\\\1|g' \
+	    -e 's|..\\build\\[a-zA-Z]*[\\/]([_a-z0-9]*.dll)|..\\bin\\\1|g' \
+	    -e 's| [a-zA-Z]*[\\/]([_a-z0-9]*\.lib)| ..\\lib\\\1|g' \
+	    -e 's/"([_a-z0-9]*.exe)/"..\\bin\\\1/g' \
+	    -e ' /Name="Debug/,/OutputFile/ s/(OutputFile.*_[rp])\.(dll|lib)"/\1d.\2"/' \
+	    -e ' /Name="Debug/,/OutputFile/ s/(OutputFile.*[^d])\.(dll|lib)"/\1_d.\2"/' \
+	    -e ' /Name="Debug/,/ImportLibrary/ s/(ImportLibrary.*_[rp])\.lib"/\1d.lib"/' \
+	    -e ' /Name="Debug/,/ImportLibrary/ s/(ImportLibrary.*[^d])\.lib"/\1_d.lib"/' \
+	    -e ' /Name="Debug/,/AdditionalDependencies/ s/(AdditionalDependencies.*_[rp])\.lib/\1d.lib/' \
+	    -e ' /Name="Debug/,/AdditionalDependencies/ s/(AdditionalDependencies.*qhull[a-z]*[^d])\.lib/\1_d.lib/' \
+	    -e ' /Name="Debug/,/ProgramDatabaseFile/ s/(ProgramDatabaseFile.*_r)\.pdb/\1d.pdb/' \
+	    -e ' /Name="Debug/,/ProgramDatabaseFile/ s/(ProgramDatabaseFile.*qhull[a-z]*[^d])\.pdb/\1_d.pdb/' \
+	    -e 's/[cC]:\\Qt\\[0-9.]*/\$(QTDIR)/g' \
+  	    -e 's/\.vcxproj/-32.vcxproj/' \
+	    $f | awk '/<File$/ && !SkipFirstFile,/<\/File>/{ next } /<Filter$/{SkipFirstFile=1} {print $0}' > $dest
+    fi
+    # grep -E '\.\.[\\/]|_[a-z]?d[^a-z]' $dest
+done
+
+echo
+echo Create build/qhull.sln or build/qhull-64.sln from buildvc/qhull.sln
+if [[ $win64 -eq 1 ]]; then
+    echo Create qhull-64.sln
+    sed -r \
+        -e '\|Project.*ALL_BUILD|,\|EndProject$| d' \
+	-e '\|Project.*INSTALL|,\|EndProject$| d' \
+	-e '\|Project.*ZERO_CHECK|,\|EndProject$| d' \
+	-e '\|Project.*RUN_TESTS|,\|EndProject$| d' \
+	-e '\|ProjectDependencies|,\| = | s/^.* = \{.*$//' \
+	-e 's/\.vcxproj/-64.vcxproj/' \
+	buildvc/qhull.sln >build/qhull-64.sln
+
+    echo Create qhull-32.sln from qhull-64 with 32 GUIDs
+    # Need to keep the original GUIDs.  Otherwise get -- can't locate project ''
+    sed -r \
+	-e 's/-64\.vcxproj/-32.vcxproj/' \
+	-e 's/([|>])x64/\1Win32/g' \
+	build/qhull-64.sln >build/qhull-32.sln
+
+    echo Create *-32.vcxproj with 32 GUIDs
+    for f in build/*-64.vcxproj build/qhulltest/*-64.vcxproj; do
+	dest=${f%64.vcxproj}32.vcxproj
+        sed -r \
+	    -e 's/([|>])x64/\1Win32/' \
+	    -e 's/machine:x64/machine:X86/' \
+	     $f >$dest
+    done
+
+    echo Convert vcxproj/sln files to DOS format
+    for f in build/*.vcxproj build/*-32.sln build/*-64.sln; do
+	u2d $f
+    done
+else
+    sed -e '\|Project.*ALL_BUILD|,\|EndProject$| d' \
+	-e '\|Project.*INSTALL|,\|EndProject$| d' \
+	-e '\|Project.*ZERO_CHECK|,\|EndProject$| d' \
+	-e '\|Project.*RUN_TESTS|,\|EndProject$| d' \
+	buildvc/qhull.sln >build/qhull.sln
+    echo Convert vcproj/sln files to DOS format
+    for f in build/*.vcproj build/*.sln; do
+	u2d $f
+    done
+fi
+
+echo
+echo 'Add qhulltest.vcproj to qhull.sln'
+echo '  Open qhull.sln with DevStudio'
+echo '  Add build/qhulltest/qhulltest.vcproj or qhulltest-64.vcxproj'
+echo '  Add dependencies on qhullcpp and qhullstatic_r'
+echo '  Remove qhulltest via Configuration Manager from Release,Debug,etc. Qt is optional'
+echo
+echo 'Update Perforce for build/...vcproj, otherwise qhull-zip.sh will revert the files'
+
--- a/src/qhull/eg/q_eg
+++ b/src/qhull/eg/q_eg
@@ -0,0 +1,77 @@
+#!/bin/sh
+#   writes examples to eg/
+#   see html/qh_eg.htm
+if ! qconvex >/dev/null 2>&1; then
+    if [ ! -d bin ]; then
+	echo Run eg/q_eg from the Qhull directory
+	exit
+    fi
+    if [ ! -e bin/qconvex -a ! -e bin/qconvex.exe ]; then
+	echo 'Build qhull first.  qconvex is missing from bin/ directory and $PATH'
+	exit
+    fi
+    if ! qconvex >/dev/null 2>&1; then
+	PATH=$PWD/bin:$PATH
+    fi
+fi
+mkdir -p eg
+echo ==============================
+echo ========= eg/q_eg ============
+echo == Create geomview examples ==
+echo ==============================
+echo
+set -v
+rbox c D3 | qconvex s G >eg/eg.01.cube
+rbox c d G2.0 | qconvex s G >eg/eg.02.diamond.cube
+rbox s 100 D3 | qconvex s G >eg/eg.03.sphere
+rbox s 100 D2 | qconvex s G >eg/eg.04.circle
+rbox 10 l | qconvex s G >eg/eg.05.spiral 
+rbox 1000 D2 | qconvex s C-0.03 Qc Gapcv >eg/eg.06.merge.square
+rbox 1000 D3 | qconvex s G >eg/eg.07.box 
+rbox c G0.4 s 500 | qconvex s G >eg/eg.08a.cube.sphere
+rbox d G0.6 s 500 | qconvex s G >eg/eg.08b.diamond.sphere
+rbox 100 L3 G0.5 s | qconvex s G >eg/eg.09.lens
+rbox 100 s P0.5,0.5,0.5 | qconvex s Ga QG0 >eg/eg.10a.sphere.visible
+rbox 100 s P0.5,0.5,0.5 | qconvex s Ga QG-0 >eg/eg.10b.sphere.beyond
+rbox 100 s P0.5,0.5,0.5 | qconvex s Ga QG0 PG >eg/eg.10c.sphere.horizon
+rbox 100 s P0.5,0.5,0.5 | qconvex s Ga QV0 PgG >eg/eg.10d.sphere.cone
+rbox 100 s P0.5,0.5,0.5 | qconvex s Ga >eg/eg.10e.sphere.new
+rbox 100 s P0.5,0.5,0.5 | qhull s Ga QV0g Q0 >eg/eg.14.sphere.corner
+rbox 500 W0 | qconvex s QR0 Qc Gvp >eg/eg.15a.surface
+rbox 500 W0 | qconvex s QR0 Qt Qc Gvp >eg/eg.15b.triangle
+rbox 500 W0 | qconvex s QR0 QJ5e-2 Qc Gvp >eg/eg.15c.joggle
+echo 2 = rbox 6 r s D2, rbox 15 B0.3 W0.25, c G0.5 >eg/eg.data.17
+echo 25 >>eg/eg.data.17
+rbox 15 D2 B0.3 W0.25 c G0.5 | tail -n +3 >>eg/eg.data.17
+rbox 6 r s D2 B0.2 | tail -n +3 >>eg/eg.data.17
+qdelaunay s Qt <eg/eg.data.17 GnraD2 >eg/eg.17a.delaunay.2
+qdelaunay s <eg/eg.data.17 GnraD2 >eg/eg.17b.delaunay.2i
+qdelaunay s <eg/eg.data.17 C-0 Ga >eg/eg.17c.delaunay.2-3
+qvoronoi s QJ <eg/eg.data.17 Gna >eg/eg.17d.voronoi.2
+qvoronoi s <eg/eg.data.17 Gna >eg/eg.17e.voronoi.2i
+rbox c G0.1 d | qdelaunay Gt Qz >eg/eg.17f.delaunay.3
+rbox 10 D2 d | qdelaunay s Qu G >eg/eg.18a.furthest.2-3
+rbox 10 D2 d | qdelaunay s Qu Pd2 G >eg/eg.18b.furthest-up.2-3
+rbox 10 D2 d | qvoronoi s Qu Gv >eg/eg.18c.furthest.2 
+rbox 10 D3 | qvoronoi s FQ QV5 p | qconvex s G >eg/eg.19.voronoi.region.3
+rbox r s 20 Z1 G0.2 | qconvex s QR1 G >eg/eg.20.cone
+rbox 200 s | qconvex s Qc R0.014 Gpav >eg/eg.21b.roundoff.fixed
+rbox 1000 s| qconvex s C0.01 Qc Gcrp >eg/eg.22a.merge.sphere.01
+rbox 1000 s| qconvex s C-0.01 Qc Gcrp >eg/eg.22b.merge.sphere.-01
+rbox 1000 s| qconvex s C0.05 Qc Gcrpv >eg/eg.22c.merge.sphere.05
+rbox 1000 s| qconvex s C-0.05 Qc Gcrpv >eg/eg.22d.merge.sphere.-05
+rbox 1000 | qconvex s Gcprvah C0.1 Qc >eg/eg.23.merge.cube
+rbox 5000 D4 | qconvex s GD0v Pd0:0.5 C-0.02 C0.1 >eg/eg.24.merge.cube.4d-in-3d
+rbox 5000 D4 | qconvex s s C-0.02 C0.1 Gh >eg/eg.30.4d.merge.cube
+rbox 20 D3 | qdelaunay s G >eg/eg.31.4d.delaunay
+rbox 30 s D4 | qconvex s G Pd0d1d2D3 >eg/eg.32.4d.octant
+rbox 10 r s Z1 G0.3 | qconvex G >eg/eg.33a.cone
+rbox 10 r s Z1 G0.3 | qconvex FQ FV n | qhalf G >eg/eg.33b.cone.dual
+rbox 10 r s Z1 G0.3 | qconvex FQ FV n | qhalf FQ s Fp | qconvex G >eg/eg.33c.cone.halfspace
+
+echo ==the following should generate flipped and concave facets== >/dev/null
+rbox 200 s | qhull Q0 s R0.014 Gav Po >eg/eg.21a.roundoff.errors
+echo ==the preceding should report flipped and concave facets== >/dev/null
+
+
+
--- a/src/qhull/eg/q_egtest
+++ b/src/qhull/eg/q_egtest
@@ -0,0 +1,52 @@
+#!/bin/sh
+#   writes examples to eg/
+if ! qconvex >/dev/null 2>&1; then
+    if [ ! -d bin ]; then
+	echo Run eg/q_eg from the Qhull directory
+	exit
+    fi
+    if [ ! -e bin/qconvex -a ! -e bin/qconvex.exe ]; then
+	echo 'Build qhull first.  qconvex is missing from bin/ directory and $PATH'
+	exit
+    fi
+    if ! qconvex >/dev/null 2>&1; then
+	PATH=$PWD/bin:$PATH
+    fi
+fi
+mkdir -p eg
+echo ==============================
+echo ========= eg/q_egtest ========
+echo == Create geomview tests =====
+echo ==============================
+echo
+set -v
+rbox d D3 | qconvex s Gnrv Tc Tv >eg/eg.t01.spheres.3
+rbox d D2 | qconvex s Gnv  Tc Tv >eg/eg.t02.spheres.2
+rbox d D3 | qconvex s Gnrp Tc Tv >eg/eg.t03.points.3
+rbox d D2 | qconvex s Gnp Tc Tv >eg/eg.t04.points.2
+rbox c D4 | qconvex s C0.05 GnpcD3 Pd3:0.5 Tc Tv >eg/eg.t05.centrum.points.4-3
+rbox d D3 | qconvex s Gnrc Tc Tv >eg/eg.t06.centrums.3.precise
+rbox d D3 | qconvex s C0.05 Gnrc Tc Tv >eg/eg.t07.centrums.3
+rbox d D2 | qconvex s C0.05 Gc Tc Tv >eg/eg.t08.centrums.2
+rbox d D3 | qconvex s Gnha Tc Tv >eg/eg.t09.intersect.3
+rbox d D3 | qconvex s GaD0 Pd0 Tc Tv >eg/eg.t10.faces.3-2
+rbox d D3 | qconvex s GnrpD0 Pd0 Tc Tv >eg/eg.t11.points.3-2
+rbox d D3 | qconvex s C0.05 GnrcD0 Pd0 Tc Tv >eg/eg.t12.centrums.3-2
+rbox d D3 | qconvex s GnhaD0 Pd0 Tc Tv >eg/eg.t13.intersect.3-2
+rbox d D3 | qconvex s GnrvD0 Pd0 Tc Tv >eg/eg.t14.spheres.3-2
+rbox c D4 | qconvex s GvD0 Pd0:0.5 Tc Tv >eg/eg.t15.spheres.4-3
+rbox c D4 | qhull s Q0 C0 GpD0 Pd0:0.5 Tc Tv >eg/eg.t16.points.4-3
+rbox c D4 | qconvex s GahD0 Pd0:0.5 Tc Tv >eg/eg.t17.intersect.4-3
+rbox 100 s | qconvex s C-0.05 Qc Gicvprh Tc Tv >eg/eg.t18.imprecise.3
+rbox 30 s D4 | qconvex s GhD0 Pd0d1d2D3 Tc >eg/eg.t19.intersect.precise.4-3
+rbox 100 s P1,1,1 | qconvex s QG-0 Pgp Tc G >eg/eg.t20.notvisible
+rbox 100 s | qconvex s QV-10 Pgp Tc G  >eg/eg.t21.notvertex
+rbox 100 r D2 P1,1 | qhull s Pd0:0.7 PD0:0.8 QgG0 G Tv >eg/eg.t22.split
+rbox 100 D2 c G1.0 | qvoronoi s A-0.95 Gna Tv >eg/eg.t23.voronoi.imprecise
+rbox 30 s D4 | qconvex s Gh Pd0d1d2D3 Tc >eg/eg.t24.intersect.precise.4d
+
+echo ==the following generates an error== >/dev/null
+rbox 1000 D4 | qhull Q0 s Po R0.005 Ga Tc Tv >eg/eg.t25.neighbors.4d
+echo ==the previous should generate an error== >/dev/null
+
+
--- a/src/qhull/eg/q_test
+++ b/src/qhull/eg/q_test
@@ -0,0 +1,425 @@
+#!/bin/sh
+#
+#  NOTE:  all tests duplicated in q_test.bat
+if ! qconvex >/dev/null 2>&1; then
+    if [ ! -d bin ]; then
+	echo Run eg/q_test from the Qhull directory
+	exit
+    fi
+    if [ ! -e bin/qconvex -a ! -e bin/qconvex.exe ]; then
+	echo 'Build qhull first.  qconvex is missing from bin/ directory and $PATH'
+	exit
+    fi
+    if ! qconvex >/dev/null 2>&1; then
+	PATH=$PWD/bin:$PATH
+    fi
+fi
+if ! user_eg >/dev/null; then
+    echo user_eg failed to run.  It uses the shared qhull library 
+    echo 'On Linux, export LD_LIBRARY_PATH=$PWD/lib:$LD_LIBRARY_PATH'
+fi
+echo ==============================
+echo ========= eg/q_test ==========
+echo == Check qhull programs ======
+echo ==============================
+echo
+echo "qhull => $(qhull -V)"
+echo "qconvex => $(qconvex -V)"
+echo "qvoronoi => $(qconvex -V)"
+echo "qdelaunay => $(qdelaunay -V)"
+echo "qhalf => $(qhalf -V)"
+echo
+echo ==============================
+echo == check user_eg, user_eg2, and user_eg3
+echo == errors if 'user_eg' and 'user_eg2' not found
+echo ==============================
+set -v
+user_eg "QR1 p n Qt" "v p" Fp
+user_eg2 "QR1 p" "v p" Fp
+user_eg3 rbox "10 D2" "2 D2" qhull "p"
+echo === check front ends ${d:-`date`} ==================
+qconvex -
+qconvex .
+qconvex
+rbox c D3 | qconvex s n Qt 
+rbox c D2 | qconvex s i 
+rbox c D2 | qconvex o
+rbox 1000 s | qconvex s Tv FA
+rbox c d D2 | qconvex s Qc Fx
+rbox y 1000 W0 | qconvex s n 
+rbox y 1000 W0 | qconvex s QJ
+rbox d G1 D12 | qconvex QR0 FA
+rbox c D6 | qconvex FA TF500
+rbox c P0 d D2 | qconvex p Fa Fc FP FI Fn FN FS Fv Fx 
+rbox c d D2 | qconvex s i QV0
+rbox c | qconvex Q0
+qvoronoi -
+qvoronoi .
+qvoronoi
+rbox c P0 D2 | qvoronoi s o
+rbox c P0 D2 | qvoronoi Fi Tv
+rbox c P0 D2 | qvoronoi Fo
+rbox c P0 D2 | qvoronoi Fv
+rbox c P0 D2 | qvoronoi s Qu Qt Fv
+rbox c P0 D2 | qvoronoi Qu Fo
+rbox c G1 d D2 | qvoronoi s p 
+rbox c G1 d D2 | qvoronoi QJ p 
+rbox c P-0.1 P+0.1 P+0.1 D2 | qvoronoi s Fc FP FQ Fn FN 
+rbox P0 c D2 | qvoronoi s Fv QV0
+qdelaunay -
+qdelaunay .
+qdelaunay
+rbox c P0 D2 | qdelaunay s o
+rbox c P0 D2 | qdelaunay i
+rbox c P0 D2 | qdelaunay Fv
+rbox c P0 D2 | qdelaunay s Qu Qt Fv
+rbox c G1 d D2 | qdelaunay s i
+rbox c G1 d D2 | qhull d Qbb Ft
+rbox c G1 d D2 | qhull d Qbb QJ s Ft
+rbox M3,4 z 100 D2 | qdelaunay s
+rbox c P-0.1 P+0.1 P+0.1 D2 | qdelaunay s Fx Fa Fc FP FQ Fn FN
+rbox P0 P0 c D2 | qdelaunay s FP QV0
+qhalf -
+qhalf .
+qhalf
+rbox d | qhull FQ n | qhalf s Qt H0,0,0 Fp
+rbox c | qhull FQ FV n | qhalf s i
+rbox c | qhull FQ FV n | qhalf o
+rbox d D2 | qhull FQ n | qhalf s H0 Fc FP Fn FN FQ Fv Fx
+echo === check quality of Qhull for ${d:-`hostname`} ${d:-`date`}
+rbox 1000 W0 | qhull QR2 QJ s Fs Tv
+rbox 1000 W0 | qhull QR2 s Fs Tv
+rbox 1000 s | qhull C0.02 Qc Tv
+rbox 500 s D4 | qhull C0.01 Qc Tv
+rbox 1000 s | qhull C-0.02 Qc Tv
+rbox 1000 s D4 | qhull C-0.01 Qc Tv
+rbox 200 s D5 | qhull C-0.01 Qx Qc Tv 
+rbox 100 s D6 | qhull C-0.001 Qx Qc Tv
+rbox 1000 W1e-4 | qhull C-1e-6 Qc Tv
+rbox 1000 W5e-4 D4 | qhull C-1e-5 Qc Tv
+rbox 400 W1e-3 D5 | qhull C-1e-5 Qx Qc Tv
+echo === check input format etc. ${d:-`date`}
+qhull <<EOF
+2 4 #;laskdjf
+1 0 1 1 1 2  0 0
+EOF
+qhull <<EOF
+2 4 #;laskdjf
+1 0 1 1 1 2  0 0 0
+EOF
+qhull <<EOF
+2 4 #;laskdjf
+1 0 1 1 1 2  0
+EOF
+qhull <<EOF
+2 
+4 #;laskdjf
+1 #kjdfasdf
+0 1 1 1 2  0
+EOF
+qhull <<EOF
+2 4  1 0  1 1  1 2  0 0
+EOF
+qhull d Qz <<EOF
+2 5  1 0  1 1  0 1  0 0  0
+EOF
+qhull d Q8 Qz <<EOF
+2 5  1 0  1 1  0 1  0 0  0
+EOF
+rbox d h | qhull Fd FV n FD Tcv | qhull Fd H Fp Tcv
+rbox 10 h | qhull Fd FD p Tcv | qhull Fd d Tcv 
+echo === check rbox ${d:-`date`}
+rbox 3 n D2
+rbox 3 D2
+rbox 3 h D2
+rbox 3 z D2
+rbox 3 z h D2
+rbox 3 B10 D2
+rbox 3 B10 D2 C2,1E-13,1
+rbox 3 z B10 D2
+rbox 4 L2 r D2
+rbox 4 L2 r D2
+rbox 8 L2 D2 C1,1E-13,2
+rbox 4 L4 r D3
+rbox 4 L4 s D5 W1e-3 
+rbox 4 L4 s D5 W1e-3 C1,1E-12
+rbox y
+rbox 10 M3,4 
+rbox 10 M3,4 C1,1E-14
+rbox 27 M1,0,1
+rbox 10 L2 s D3 | qhull Tcv
+rbox 10 L4 s W1e-3 D3 | qhull Tcv
+rbox 10 L6 D3 | qhull Tcv
+rbox 10 L1.1 s D4 | qhull Tcv
+rbox y r 100 W0 O0.5 | qhull s p Tcv
+rbox x r 100 W0 O0.5 | qhull s Tcv
+rbox 12 D8 | qhull Tcv
+rbox 12 D9 | qhull Tcv
+rbox 1000 D4 | qhull s i A-0.97 C0.2 A0.7 Tcv
+rbox 3 D2 | qhull Qb0B1:-2 p 
+rbox 100 r D2 | qhull Pd0:0.7 PD0:0.8 n Tcv
+rbox 1000 s | qhull  C0.05 Tcv
+rbox 1000 s t | qhull Qm C0.05 Tcv
+rbox 500 D2 | qhull n A-0.95 C0.1 Tcv
+rbox 500 s P1,1,1 | qhull QgG0 Pp Tcv
+
+rbox d | qhull m
+rbox d | qhull FM
+rbox c D2 | qhull Tcv Q0
+rbox d D2 | qhull Tcv
+rbox c D3 | qhull Tcv Q0
+rbox d D3 | qhull Tcv
+rbox c D4 | qhull Tcv Q0
+rbox d D4 | qhull Tcv
+rbox c D5 | qhull Tcv Q0
+rbox d D5 | qhull Tcv
+rbox c D6 | qhull Tcv Q0
+rbox d D6 | qhull Tcv
+rbox d D7 | qhull Tcv
+rbox c D2 | qhull Tcv C-0
+rbox c D3 | qhull Tcv C-0
+rbox c D4 | qhull Tcv C-0
+rbox c D5 | qhull Tcv C-0
+rbox c D6 | qhull Tcv C-0
+rbox c D7 | qhull Tv C-0
+rbox 20 l D3 | qhull Tcv
+rbox 100 s D2 | qhull Tcv
+rbox 100 s D3 | qhull Tcv
+rbox 100 s D4 | qhull Tcv
+rbox 100 s c D4 | qhull Tcv
+rbox 100 s d G1.5 D4 | qhull Tcv
+rbox 100 s W1e-2 | qhull Tcv
+rbox 100 | qhull Tcv
+rbox 100 W1e-3 | qhull Tcv
+rbox 100 r D2 | qhull Tcv
+rbox 100 r s Z1 | qhull Tcv
+rbox 100 r s Z1 G0.1 | qhull Tcv C-0
+rbox 100 s Z1 G0.1 | qhull Tcv 
+rbox 100 s Z1e-5 G0.1 | qhull Tc Pp
+
+echo === check qhull output formats ${d:-`date`}
+rbox 5 r s D2 | qhull Tcv
+rbox 5 r s D2 | qhull s 
+rbox 5 r s D2 | qhull s o 
+rbox 5 r s D2 | qhull f
+rbox 5 r s D2 | qhull i 
+rbox 5 r s D2 | qhull m 
+rbox 5 r s D2 | qhull FM 
+rbox 5 r s D2 | qhull n 
+rbox 5 r s D2 | qhull p 
+rbox 5 r s D2 | qhull o 
+rbox 5 r s D2 | qhull Ft
+rbox 5 r s D2 | qhull Fx
+rbox 5 r s D2 | qhull p n i p p
+rbox 10 D3 | qhull f Tcv
+rbox 10 D3 | qhull i
+rbox 10 D3 | qhull p 
+rbox 10 D3 | qhull o 
+rbox 10 D3 | qhull Fx
+rbox 27 M1,0,1 | qhull Qc
+rbox 50 D3 s | qhull C0.1 Qc Pd0d1d2 s p Tcv
+rbox 10 D2 P0 P1e-15 | qhull d Qc FP s Tcv
+rbox 100 s | qhull C-0.003 Qc FP s
+rbox 100 s D2 | qhull C0.1 i Fx Tcv
+rbox 4 s D3 | qhull Qc Ghipv Tcv 
+rbox 6 D4 | qhull f Tcv
+rbox 6 D4 | qhull i
+rbox 6 D4 | qhull p 
+rbox 6 D4 | qhull o
+rbox 1000 s D2 | qhull FA Tcv
+rbox 1000 s | qhull FA Tcv
+rbox c D4 | qhull FA Tcv
+rbox c D5 | qhull FA Tcv
+rbox c D5 | qhull FA Qt Tcv
+rbox 10 D2 | qhull d FA Tcv
+rbox 10 D2 | qhull d Qu FA Tcv
+rbox 10 D2 | qhull FA Tcv
+rbox 10 c D2 | qhull Fx Tcv
+rbox 1000 s | qhull FS Tcv
+rbox 10 W0 D2 | qhull p Qc FcC Tcv
+rbox 4 z h s D2 | qhull Fd s n FD Tcv
+rbox 6 s D3 | qhull C-0.1 Qc FF s FQ Fi n Fo FQ FI Fm Fn FN FO FO FQ Fs FS FV Fv Tcv
+rbox P0.5,0.5 P0.5,0.5 W0 5 D2 | qhull d FN Qc
+rbox 10 D3 | qhull Fa PA5
+rbox 10 D3 | qhull Fa PF0.4
+
+echo === test Qt ${d:-`date`}
+rbox c | qhull Qt s o Tcv
+rbox c | qhull Qt f i
+rbox c | qhull Qt m FM n
+rbox c | qhull Qt p o
+rbox c | qhull Qt Fx
+rbox c | qhull Qt FA s Fa
+rbox 6 r s c G0.1 D2 | qhull Qt d FA Tcv
+rbox 6 r s c G0.1 D2 | qhull d FA Tcv
+rbox 6 r s c G0.1 D2 | qhull Qt v p Tcv
+rbox c | qhull Qt C-0.1 Qc FF s FQ Fi n Fo FQ FI Fm Fn FN FO FO FQ Fs FS FV Fv Tcv
+rbox 6 r s c G0.1 D2 P0.1,0.1 | qhull s FP d FO Qt
+rbox 100 W0 | qhull Tv Q11 
+
+echo === test unbounded intersection ${d:-`date`}
+rbox c | qhull PD0:0.5 n | qhull H0 Fp Tcv
+rbox 1000 W1e-3 D3 | qhull PA8 Fa FS s n Tcv 
+rbox 1000 W1e-3 D3 | qhull C-0.01 PM10 Fm n Tcv Qc
+rbox 1000 W1e-3 D3 | qhull C-0.01 PA8 PG n Tcv Qc
+rbox 10 | qhull FO Tz TO q_test.log.1
+cat q_test.log.1
+
+echo === check Delaunay/Voronoi ${d:-`date`}
+rbox 10 D2 | qhull d Tcv
+rbox 10 D2 | qhull d Tcv Qz
+rbox 10 D3 | qhull d Tcv
+rbox c | qhull d Qz Ft Tcv
+rbox 10 s D2 c | qhull d Tcv 
+rbox 10 s D2 | qhull d Tcv Q8 Qz
+rbox 10 D2 | qhull d Tcv p
+rbox 10 D2 | qhull d Tcv i
+rbox 10 D2 | qhull d Tcv o
+rbox 10 D2 | qhull v Tcv o
+rbox 10 D2 | qhull v Tcv p
+rbox 10 D2 | qhull v Tcv G
+rbox 10 D2 | qhull v Tcv Fv
+rbox 10 D2 | qhull v Tcv Fi
+rbox 10 D2 | qhull v Tcv Fo
+rbox 10 D2 | qhull v Qu o Fv Fi Fo Tcv
+rbox 10 D3 | qhull v Fv Tcv
+rbox 10 D3 | qhull v Fi Tcv
+rbox 10 D3 | qhull v Fo Tcv
+rbox 10 D3 | qhull v Qu o Fv Fi Fo Tcv
+rbox 5 D2 | qhull v f FnN o
+
+echo === check Halfspace ${d:-`date`}
+rbox 100 s D4 | qhull FA FV n s Tcv | qhull H Fp Tcv | qhull FA  Tcv
+rbox d D3 | qhull FQ n s FD Tcv | qhull Fd H0.1,0.1 Fp FQ Tcv
+rbox 5 r D2 | qhull s n Tcv | qhull H0 Fp Tcv
+
+echo === check qhull ${d:-`date`}
+rbox 10 s D3 | qhull Tcv
+rbox 10 s D3 | qhull f Pd0:0.5 Pd2 Tcv
+rbox 10 s D3 | qhull f Tcv PD2:-0.5
+rbox 10 s D3 | qhull QR-1
+rbox 10 s D3 | qhull QR-40
+rbox 1000 D3 | qhull Tcvs
+rbox 100 D3 | qhull T8 Tz TO q_test.log.1
+tail -n -10 q_test.log.1
+rm q_test.log.1
+rbox 100 s D3 | qhull TcvV-2
+rbox 100 s D3 | qhull TcvC2
+rbox 100 s D3 | qhull TcvV2
+rbox 100 s D3 | qhull T1cvV2P2
+rbox 100 s D3 | qhull TcvF100
+rbox 100 s D3 | qhull Qf Tcv
+rbox 100 D3 | qhull Tcv
+rbox 100 D3 | qhull Qs Tcv
+rbox 100 D5 | qhull Qs Tcv
+rbox 100 D3 | qhull Qr Tcv
+rbox 100 D3 | qhull Qxv Tcv
+rbox 100 D3 | qhull Qi f Pd0 Pd1 Pd2 Tcv
+rbox c d | qhull Qc f Tcv
+rbox c d | qhull Qc p Tcv
+rbox 100 D3 | qhull QbB FO Tcv
+rbox 1000 D2 B1e6 | qhull d Qbb FO Tcv
+rbox 10 D3 | qhull QbB p Tcv
+rbox 10 D3 | qhull Qbb p Tcv
+rbox 10 D3 | qhull Qb0:-10B2:20 p Tcv
+rbox 10 D3 | qhull Qb0:-10B2:20 p Tcv | qhull QbB p Tcv
+rbox 10 D3 | qhull Qb1:0B1:0 d Tcv Q8
+rbox 10 D3 | qhull Qb1:0B1:0B2:0 d Tcv Q8
+rbox 10 D3 | qhull Qb1:0 d Tcv 
+rbox 10 D3 | qhull Qb1:0B1:0  Tcv
+echo "== next command will error ${d:-`date`} =="
+rbox 10 D2 | qhull Qb1:1B1:1 Tcv
+rbox 200 L20 D2 t | qhull FO Tcv C-0
+rbox 1000 L20 t | qhull FO Tcv C-0
+rbox 200 L20 D4 t | qhull FO Tcv C-0
+rbox 200 L20 D5 t | qhull FO Tcv Qx
+rbox 1000 W1e-3 s D2 t | qhull d FO Tcv Qu Q0
+rbox 1000 W1e-3 s D2 t | qhull d FO Tcv Qu C-0
+
+echo === check joggle and TRn ${d:-`date`}
+rbox 100 W0 | qhull QJ1e-14 Qc TR100 Tv
+rbox 100 W0 | qhull QJ1e-13 Qc TR100 Tv
+rbox 100 W0 | qhull QJ1e-12 Qc TR100 Tv
+rbox 100 W0 | qhull QJ1e-11 Qc TR100 Tv
+rbox 100 W0 | qhull QJ1e-10 Qc TR100 Tv
+rbox 100 | qhull d QJ Qb0:1e4 QB0:1e5 Qb1:1e4 QB1:1e6 Qb2:1e5 QB2:1e7 FO Tv
+
+echo === check precision options ${d:-`date`}
+rbox 100 D3 s | qhull E0.01 Qx Tcv FO
+rbox 100 D3 W1e-1 | qhull W1e-3 Tcv
+rbox 100 D3 W1e-1 | qhull W1e-2 Tcv Q0
+rbox 100 D3 W1e-1 | qhull W1e-2 Tcv 
+rbox 100 D3 W1e-1 | qhull W1e-1 Tcv
+rbox 15 D2 P0 P1e-14,1e-14 | qhull d Quc Tcv
+rbox 15 D3 P0 P1e-12,1e-14,1e-14 | qhull d Qcu Tcv
+rbox 1000 s D3 | qhull C-0.01 Tcv Qc
+rbox 1000 s D3 | qhull C-0.01 V0 Qc Tcv
+rbox 1000 s D3 | qhull C-0.01 U0 Qc Tcv
+rbox 1000 s D3 | qhull C-0.01 V0 Qcm Tcv
+rbox 1000 s D3 | qhull C-0.01 Qcm Tcv
+rbox 1000 s D3 | qhull C-0.01 Q1 FO Tcv Qc
+rbox 1000 s D3 | qhull C-0.01 Q2 FO Tcv Qc
+rbox 1000 s D3 | qhull C-0.01 Q3 FO Tcv Qc
+rbox 1000 s D3 | qhull C-0.01 Q4 FO Tcv Qc
+echo === this may generate an error ${d:-`date`}
+rbox 1000 s D3 | qhull C-0.01 Q5 FO Tcv 
+echo === this should generate an error ${d:-`date`}
+rbox 1000 s D3 | qhull C-0.01 Q6 FO Po Tcv Qc
+rbox 1000 s D3 | qhull C-0.01 Q7 FO Tcv Qc
+rbox 1000 s D3 | qhull C-0.01 Qx Tcv Qc
+echo === this may generate an error e.g., t1263080158 ${d:-`date`}
+rbox 100 s D3 t | qhull R1e-3 Tcv Qc
+rbox 100 s D3 t | qhull R1e-2 Tcv Qc
+rbox 500 s D3 t | qhull R0.05 A-1 Tcv Qc
+rbox 100 W0 D3 t | qhull R1e-3 Tcv Qc
+rbox 100 W0 D3 t | qhull R1e-3 Qx Tcv Qc
+rbox 100 W0 D3 t | qhull R1e-2 Tcv Qc
+rbox 100 W0 D3 t | qhull R1e-2 Qx Tcv Qc
+rbox 500 W0 D3 t | qhull R0.05 A-1 Tcv Qc
+rbox 500 W0 D3 t | qhull R0.05 Qx Tcv Qc
+rbox 1000 W1e-20 t | qhull Tcv Qc
+rbox 1000 W1e-20 D4 t | qhull Tcv Qc
+rbox 500 W1e-20 D5 t | qhull Tv Qc
+rbox 100 W1e-20 D6 t | qhull Tv Qc
+rbox 50 W1e-20 D6 t | qhull Qv Tv Qc
+rbox 10000 D4 t | qhull QR0 Qc C-0.01 A0.3 Tv
+rbox 1000 D2 t | qhull d QR0 Qc C-1e-8 Qu Tv
+rbox 300 D5 t |qhull A-0.999 Qx Qc Tcv
+rbox 100 D6 t |qhull A-0.9999 Qx Qc Tcv
+rbox 50 D7 t |qhull A-0.99999 Qx Qc Tcv W0.1
+
+echo === check bad cases for Qhull.  May cause errors ${d:-`date`}
+rbox 1000 L100000 s G1e-6 t | qhull Tv
+rbox 1000 L100000 s G1e-6 t | qhull Tv Q10
+rbox 1000 s Z1 G1e-13 t | qhull Tv
+rbox 1000 s W1e-13 P0 t | qhull d Qbb Qc Tv
+rbox 1000 s W1e-13 t | qhull d Tv
+rbox 1000 s W1e-13 t D2 | qhull d Tv
+
+echo =======================================================
+echo =======================================================
+echo === The following commands may cause errors ${d:-`date`}
+echo =======================================================
+echo =======================================================
+rbox c D7 | qhull Q0 Tcv
+rbox 100 s D3 | qhull Q0 E1e-3 Tc Po
+rbox 100 s D3 | qhull Q0 E1e-2 Tc Po
+rbox 100 s D3 | qhull Q0 E1e-1 Tc Po
+rbox 100 s D3 | qhull Q0 R1e-3 Tc Po
+rbox 100 s D3 | qhull Q0 R1e-2 Tc Po
+rbox 100 s D3 | qhull Q0 R0.05 Tc
+rbox 100 s D3 | qhull Q0 R0.05 Tc Po
+rbox 1000 W1e-7 | qhull Q0 Tc Po
+rbox 50 s | qhull Q0 V0.05 W0.01 Tc Po
+rbox 100 s D5 | qhull Q0 R1e-2 Tc Po
+rbox L100 10000 D4 s C1,1e-13 t2 | qhull
+rbox L100 10000 D4 s C1,1e-13 t2 | qhull Q12
+rbox 50 C1,1E-13 t1447644703 | qhull d
+rbox 50 C1,1E-13 t1447644703 | qhull d Q12
+qhull
+qhull .
+qhull -
+rbox
+cat html/qhull.txt html/rbox.txt
+
+# end of q_test
--- a/src/qhull/eg/q_test-ok.txt
+++ b/src/qhull/eg/q_test-ok.txt
--- a/src/qhull/eg/q_test.bat
+++ b/src/qhull/eg/q_test.bat
@@ -0,0 +1,666 @@
+echo Run q_test for Windows from the bin/ directory. >q_test.x
+echo === errors if 'user_eg' and 'user_eg2' not found ===
+echo === check user_eg === >>q_test.x
+echo "user_eg 'QR1 p n Qt' 'v p' Fp" >>q_test.x
+user_eg "QR1 p n Qt" "v p" Fp >>q_test.x
+echo "user_eg2 'QR1 p' 'v p' Fp" >>q_test.x
+user_eg2 "QR1 p" "v p" Fp >>q_test.x
+echo 'user_eg3 rbox "10 D2" "2 D2" qhull "p"' >>q_test.x
+user_eg3 rbox "10 D2" "2 D2" qhull "p" >>q_test.x
+echo === check front ends ========================================================== >>q_test.x
+echo "qconvex -" >>q_test.x
+qconvex - >>q_test.x
+echo "qconvex ." >>q_test.x
+qconvex . >>q_test.x
+echo "qconvex" >>q_test.x
+qconvex >>q_test.x
+echo "rbox c D3 | qconvex s n Qt" >>q_test.x
+rbox c D3 | qconvex s n Qt >>q_test.x
+echo "rbox c D2 | qconvex i Qt " >>q_test.x
+rbox c D2 | qconvex i Qt  >>q_test.x
+echo "rbox c D2 | qconvex o" >>q_test.x
+rbox c D2 | qconvex o >>q_test.x
+echo "rbox 1000 s | qconvex s Tv FA" >>q_test.x
+rbox 1000 s | qconvex s Tv FA >>q_test.x
+echo "rbox c d D2 | qconvex s Qc Fx" >>q_test.x
+rbox c d D2 | qconvex s Qc Fx >>q_test.x
+echo "rbox y 1000 W0 | qconvex s n " >>q_test.x
+rbox y 1000 W0 | qconvex s n  >>q_test.x
+echo "rbox y 1000 W0 | qconvex s QJ" >>q_test.x
+rbox y 1000 W0 | qconvex s QJ >>q_test.x
+echo "rbox d G1 D12 | qconvex QR0 FA" >>q_test.x
+rbox d G1 D12 | qconvex QR0 FA >>q_test.x
+echo "rbox c D6 | qconvex FA TF500" >>q_test.x
+rbox c D6 | qconvex FA TF500 >>q_test.x
+echo "rbox c P0 d D2 | qconvex p Fa Fc FP FI Fn FN FS Fv Fx" >>q_test.x
+rbox c P0 d D2 | qconvex p Fa Fc FP FI Fn FN FS Fv Fx >>q_test.x
+echo "rbox c d D2 | qconvex s i QV0" >>q_test.x
+rbox c d D2 | qconvex s i QV0 >>q_test.x
+echo "rbox c | qconvex Q0" >>q_test.x
+rbox c | qconvex Q0 >>q_test.x
+echo "qvoronoi -" >>q_test.x
+qvoronoi - >>q_test.x
+echo "qvoronoi ." >>q_test.x
+qvoronoi . >>q_test.x
+echo "qvoronoi" >>q_test.x
+qvoronoi >>q_test.x
+echo "rbox c P0 D2 | qvoronoi s o" >>q_test.x
+rbox c P0 D2 | qvoronoi s o >>q_test.x
+echo "rbox c P0 D2 | qvoronoi Fi" >>q_test.x
+rbox c P0 D2 | qvoronoi Fi >>q_test.x
+echo "rbox c P0 D2 | qvoronoi Fo" >>q_test.x
+rbox c P0 D2 | qvoronoi Fo >>q_test.x
+echo "rbox c P0 D2 | qvoronoi Fv" >>q_test.x
+rbox c P0 D2 | qvoronoi Fv >>q_test.x
+echo "rbox c P0 D2 | qvoronoi s Qu Qt Fv" >>q_test.x
+rbox c P0 D2 | qvoronoi s Qu Qt Fv >>q_test.x
+echo "rbox c P0 D2 | qvoronoi Qu Fo" >>q_test.x
+rbox c P0 D2 | qvoronoi Qu Fo >>q_test.x
+echo "rbox c G1 d D2 | qvoronoi s p " >>q_test.x
+rbox c G1 d D2 | qvoronoi s p  >>q_test.x
+echo "rbox c G1 d D2 | qvoronoi QJ p " >>q_test.x
+rbox c G1 d D2 | qvoronoi QJ p  >>q_test.x
+echo "rbox c P-0.1 P+0.1 P+0.1 D2 | qvoronoi s Fc FP FQ Fn FN " >>q_test.x
+rbox c P-0.1 P+0.1 P+0.1 D2 | qvoronoi s Fc FP FQ Fn FN  >>q_test.x
+echo "rbox P0 c D2 | qvoronoi s Fv QV0" >>q_test.x
+rbox P0 c D2 | qvoronoi s Fv QV0 >>q_test.x
+echo "qdelaunay -" >>q_test.x
+qdelaunay - >>q_test.x
+echo "qdelaunay ." >>q_test.x
+qdelaunay . >>q_test.x
+echo "qdelaunay" >>q_test.x
+qdelaunay >>q_test.x
+echo "rbox c P0 D2 | qdelaunay s o" >>q_test.x
+rbox c P0 D2 | qdelaunay s o >>q_test.x
+echo "rbox c P0 D2 | qdelaunay i" >>q_test.x
+rbox c P0 D2 | qdelaunay i >>q_test.x
+echo "rbox c P0 D2 | qdelaunay Fv" >>q_test.x
+rbox c P0 D2 | qdelaunay Fv >>q_test.x
+echo "rbox c P0 D2 | qdelaunay s Qu Qt Fv" >>q_test.x
+rbox c P0 D2 | qdelaunay s Qu Qt Fv >>q_test.x
+echo "rbox c G1 d D2 | qdelaunay s i" >>q_test.x
+rbox c G1 d D2 | qdelaunay s i >>q_test.x
+echo "rbox c G1 d D2 | qdelaunay Ft" >>q_test.x
+rbox c G1 d D2 | qdelaunay Ft >>q_test.x
+echo "rbox c G1 d D2 | qdelaunay QJ s Ft" >>q_test.x
+rbox c G1 d D2 | qdelaunay QJ s Ft >>q_test.x
+echo "rbox M3,4 z 100 D2 | qdelaunay s" >>q_test.x
+rbox M3,4 z 100 D2 | qdelaunay s >>q_test.x
+echo "rbox c P-0.1 P+0.1 P+0.1 D2 | qdelaunay s Fx Fa Fc FP FQ Fn FN" >>q_test.x
+rbox c P-0.1 P+0.1 P+0.1 D2 | qdelaunay s Fx Fa Fc FP FQ Fn FN >>q_test.x
+echo "rbox P0 P0 c D2 | qdelaunay s FP QV0" >>q_test.x
+rbox P0 P0 c D2 | qdelaunay s FP QV0 >>q_test.x
+echo "qhalf -" >>q_test.x
+qhalf - >>q_test.x
+echo "qhalf ." >>q_test.x
+qhalf . >>q_test.x
+echo "qhalf" >>q_test.x
+qhalf >>q_test.x
+echo "rbox d | qhull FQ n | qhalf s Qt H0,0,0 Fp" >>q_test.x
+rbox d | qhull FQ n | qhalf s H0,0,0 Fp >>q_test.x
+echo "rbox c | qhull FQ FV n | qhalf s i" >>q_test.x
+rbox c | qhull FQ FV n | qhalf s i >>q_test.x
+echo "rbox c | qhull FQ FV n | qhalf o" >>q_test.x
+rbox c | qhull FQ FV n | qhalf o >>q_test.x
+echo "rbox d D2 | qhull FQ n | qhalf s H0 Fc FP Fn FN FQ Fv Fx" >>q_test.x
+rbox d D2 | qhull FQ n | qhalf s H0 Fc FP Fn FN FQ Fv Fx >>q_test.x
+
+echo === check quality of merges for ${d:-`hostname`} ${d:-`date`} >>q_test.x
+echo "rbox 1000 W0 t | qhull QR2 QJ s Fs Tv" >>q_test.x
+rbox 1000 W0 t | qhull QR2 QJ s Fs Tv >>q_test.x
+echo "rbox 1000 W0 t | qhull QR2 s Fs Tv" >>q_test.x
+rbox 1000 W0 t | qhull QR2 s Fs Tv >>q_test.x
+echo "rbox 1000 s t | qhull C0.02 Qc Tv" >>q_test.x
+rbox 1000 s t | qhull C0.02 Qc Tv >>q_test.x
+echo "rbox 500 s D4 t | qhull C0.01 Qc Tv" >>q_test.x
+rbox 500 s D4 t | qhull C0.01 Qc Tv >>q_test.x
+echo "rbox 1000 s t | qhull C-0.02 Qc Tv" >>q_test.x
+rbox 1000 s t | qhull C-0.02 Qc Tv >>q_test.x
+echo "rbox 1000 s D4 t | qhull C-0.01 Qc Tv" >>q_test.x
+rbox 1000 s D4 t | qhull C-0.01 Qc Tv >>q_test.x
+echo "rbox 200 s D5 t | qhull C-0.01 Qx Qc Tv" >>q_test.x
+rbox 200 s D5 t | qhull C-0.01 Qx Qc Tv >>q_test.x
+echo "rbox 100 s D6 t | qhull C-0.001 Qx Qc Tv" >>q_test.x
+rbox 100 s D6 t | qhull C-0.001 Qx Qc Tv >>q_test.x
+echo "rbox 1000 W1e-4 t | qhull C-1e-6 Qc Tv" >>q_test.x
+rbox 1000 W1e-4 t | qhull C-1e-6 Qc Tv >>q_test.x
+echo "rbox 1000 W5e-4 D4 t | qhull C-1e-5 Qc Tv" >>q_test.x
+rbox 1000 W5e-4 D4 t | qhull C-1e-5 Qc Tv >>q_test.x
+echo "rbox 400 W1e-3 D5 t | qhull C-1e-5 Qx Qc Tv" >>q_test.x
+rbox 400 W1e-3 D5 t | qhull C-1e-5 Qx Qc Tv >>q_test.x
+
+echo === check input format etc. ${d:-`date`} >>q_test.x
+echo "rbox d h | qhull Fd FV n FD  Tcv | qhull Fd H Fp Tcv" >>q_test.x
+rbox d h | qhull Fd FV n FD Tcv | qhull Fd H Fp Tcv >>q_test.x
+echo "rbox 10 h | qhull Fd FD p Tcv | qhull Fd d Tcv " >>q_test.x
+rbox 10 h | qhull Fd FD p Tcv | qhull Fd d Tcv  >>q_test.x
+
+echo === check rbox ${d:-`date`} >>q_test.x
+echo "rbox 3 n D2" >>q_test.x
+rbox 3 n D2 >>q_test.x
+echo "rbox 3 D2" >>q_test.x
+rbox 3 D2 >>q_test.x
+echo "rbox 3 h D2" >>q_test.x
+rbox 3 h D2 >>q_test.x
+echo "rbox 3 z D2" >>q_test.x
+rbox 3 z D2 >>q_test.x
+echo "rbox 3 z h D2" >>q_test.x
+rbox 3 z h D2 >>q_test.x
+echo "rbox 3 B10 D2" >>q_test.x
+rbox 3 B10 D2 >>q_test.x
+echo "rbox 3 z B10 D2" >>q_test.x
+rbox 3 z B10 D2 >>q_test.x
+echo "rbox 4 L2 r D2" >>q_test.x
+rbox 4 L2 r D2 >>q_test.x
+echo "rbox 8 L2 D2" >>q_test.x
+rbox 8 L2 D2 >>q_test.x
+echo "rbox 4 L4 r D3" >>q_test.x
+rbox 4 L4 r D3 >>q_test.x
+echo "rbox y" >>q_test.x
+rbox y >>q_test.x
+echo "rbox 10 M3,4" >>q_test.x
+rbox 10 M3,4 >>q_test.x
+echo "rbox 4 L4 s D5 W1e-3 " >>q_test.x
+rbox 4 L4 s D5 W1e-3  >>q_test.x
+echo "rbox 10 L2 s D3 | qhull Tcv" >>q_test.x
+rbox 10 L2 s D3 | qhull Tcv >>q_test.x
+echo "rbox 10 L4 s W1e-3 D3 | qhull Tcv" >>q_test.x
+rbox 10 L4 s W1e-3 D3 | qhull Tcv >>q_test.x
+echo "rbox 10 L6 D3 | qhull Tcv" >>q_test.x
+rbox 10 L6 D3 | qhull Tcv >>q_test.x
+echo "rbox 10 L1.1 s D4 | qhull Tcv" >>q_test.x
+rbox 10 L1.1 s D4 | qhull Tcv >>q_test.x
+echo "rbox y r 100 W0 O0.5 | qhull s p Tcv" >>q_test.x
+rbox y r 100 W0 O0.5 | qhull s p Tcv >>q_test.x
+echo "rbox x r 100 W0 O0.5 | qhull s p Tcv" >>q_test.x
+rbox x r 100 W0 O0.5 | qhull s p Tcv >>q_test.x
+echo "rbox 12 D8 | qhull Tcv" >>q_test.x
+rbox 12 D8 | qhull Tcv >>q_test.x
+echo "rbox 12 D9 | qhull Tcv" >>q_test.x
+rbox 12 D9 | qhull Tcv >>q_test.x
+echo "rbox 1000 D4 | qhull s i A-0.97 C0.2 A0.7 Tcv" >>q_test.x
+rbox 1000 D4 | qhull s i A-0.97 C0.2 A0.7 Tcv >>q_test.x
+echo "rbox 3 D2 | qhull Qb0B1:-2 p " >>q_test.x
+rbox 3 D2 | qhull Qb0B1:-2 p  >>q_test.x
+echo "rbox 100 r D2 | qhull Pd0:0.7 PD0:0.8 n Tcv" >>q_test.x
+rbox 100 r D2 | qhull Pd0:0.7 PD0:0.8 n Tcv >>q_test.x
+echo "rbox 1000 s | qhull  C0.05 Tcv" >>q_test.x
+rbox 1000 s | qhull  C0.05 Tcv >>q_test.x
+echo "rbox 1000 s t | qhull Qm C0.05 Tcv" >>q_test.x
+rbox 1000 s t | qhull Qm C0.05 Tcv >>q_test.x
+echo "rbox 500 D2 | qhull n A-0.95 C0.1 Tcv" >>q_test.x
+rbox 500 D2 | qhull n A-0.95 C0.1 Tcv >>q_test.x
+echo "rbox 500 s P1,1,1 | qhull QgG0 Pp Tcv" >>q_test.x
+rbox 500 s P1,1,1 | qhull QgG0 Pp Tcv >>q_test.x
+
+echo "rbox d | qhull m" >>q_test.x
+rbox d | qhull m >>q_test.x
+echo "rbox d | qhull FM" >>q_test.x
+rbox d | qhull FM >>q_test.x
+echo "rbox c D2 | qhull Q0 Tcv" >>q_test.x
+rbox c D2 | qhull Q0 Tcv >>q_test.x
+echo "rbox d D2 | qhull Tcv" >>q_test.x
+rbox d D2 | qhull Tcv >>q_test.x
+echo "rbox c D3 | qhull Q0 Tcv" >>q_test.x
+rbox c D3 | qhull Q0 Tcv >>q_test.x
+echo "rbox d D3 | qhull Tcv" >>q_test.x
+rbox d D3 | qhull Tcv >>q_test.x
+echo "rbox c D4 | qhull Q0 Tcv" >>q_test.x
+rbox c D4 | qhull Q0 Tcv >>q_test.x
+echo "rbox d D4 | qhull Tcv" >>q_test.x
+rbox d D4 | qhull Tcv >>q_test.x
+echo "rbox c D5 | qhull Q0 Tcv" >>q_test.x
+rbox c D5 | qhull Q0 Tcv >>q_test.x
+echo "rbox d D5 | qhull Tcv" >>q_test.x
+rbox d D5 | qhull Tcv >>q_test.x
+echo "rbox c D6 | qhull Q0 Tcv" >>q_test.x
+rbox c D6 | qhull Q0 Tcv >>q_test.x
+echo "rbox d D6 | qhull Tcv" >>q_test.x
+rbox d D6 | qhull Tcv >>q_test.x
+echo "rbox d D7 | qhull Tcv" >>q_test.x
+rbox d D7 | qhull Tcv >>q_test.x
+echo "rbox c D2 | qhull Tcv C-0" >>q_test.x
+rbox c D2 | qhull Tcv C-0 >>q_test.x
+echo "rbox c D3 | qhull Tcv C-0" >>q_test.x
+rbox c D3 | qhull Tcv C-0 >>q_test.x
+echo "rbox c D4 | qhull Tcv C-0" >>q_test.x
+rbox c D4 | qhull Tcv C-0 >>q_test.x
+echo "rbox c D5 | qhull Tcv C-0" >>q_test.x
+rbox c D5 | qhull Tcv C-0 >>q_test.x
+echo "rbox c D6 | qhull Tcv C-0" >>q_test.x
+rbox c D6 | qhull Tcv C-0 >>q_test.x
+echo "rbox c D7 | qhull Tv C-0" >>q_test.x
+rbox c D7 | qhull Tv C-0 >>q_test.x
+echo "rbox 20 l D3 | qhull Tcv" >>q_test.x
+rbox 20 l D3 | qhull Tcv >>q_test.x
+echo "rbox 100 s D2 | qhull Tcv" >>q_test.x
+rbox 100 s D2 | qhull Tcv >>q_test.x
+echo "rbox 100 s D3 | qhull Tcv" >>q_test.x
+rbox 100 s D3 | qhull Tcv >>q_test.x
+echo "rbox 100 s D4 | qhull Tcv" >>q_test.x
+rbox 100 s D4 | qhull Tcv >>q_test.x
+echo "rbox 100 s c D4 | qhull Tcv" >>q_test.x
+rbox 100 s c D4 | qhull Tcv >>q_test.x
+echo "rbox 100 s d G1.5 D4 | qhull Tcv" >>q_test.x
+rbox 100 s d G1.5 D4 | qhull Tcv >>q_test.x
+echo "rbox 100 s W1e-2 | qhull Tcv" >>q_test.x
+rbox 100 s W1e-2 | qhull Tcv >>q_test.x
+echo "rbox 100 | qhull Tcv" >>q_test.x
+rbox 100 | qhull Tcv >>q_test.x
+echo "rbox 100 W1e-3 | qhull Tcv" >>q_test.x
+rbox 100 W1e-3 | qhull Tcv >>q_test.x
+echo "rbox 100 r D2 | qhull Tcv" >>q_test.x
+rbox 100 r D2 | qhull Tcv >>q_test.x
+echo "rbox 100 r s Z1 | qhull Tcv" >>q_test.x
+rbox 100 r s Z1 | qhull Tcv >>q_test.x
+echo "rbox 100 r s Z1 G0.1 | qhull Tcv C-0" >>q_test.x
+rbox 100 r s Z1 G0.1 | qhull Tcv C-0 >>q_test.x
+echo "rbox 100 s Z1 G0.1 | qhull Tcv " >>q_test.x
+rbox 100 s Z1 G0.1 | qhull Tcv  >>q_test.x
+echo "rbox 100 s Z1e-5 G0.1 | qhull Tc Pp" >>q_test.x
+rbox 100 s Z1e-5 G0.1 | qhull Tc Pp >>q_test.x
+
+echo === check qhull output formats ${d:-`date`} >>q_test.x
+echo "rbox 5 r s D2 | qhull Tcv" >>q_test.x
+rbox 5 r s D2 | qhull Tcv >>q_test.x
+echo "rbox 5 r s D2 | qhull s " >>q_test.x
+rbox 5 r s D2 | qhull s  >>q_test.x
+echo "rbox 5 r s D2 | qhull s o " >>q_test.x
+rbox 5 r s D2 | qhull s o  >>q_test.x
+echo "rbox 5 r s D2 | qhull f" >>q_test.x
+rbox 5 r s D2 | qhull f >>q_test.x
+echo "rbox 5 r s D2 | qhull i " >>q_test.x
+rbox 5 r s D2 | qhull i  >>q_test.x
+echo "rbox 5 r s D2 | qhull m " >>q_test.x
+rbox 5 r s D2 | qhull m  >>q_test.x
+echo "rbox 5 r s D2 | qhull FM " >>q_test.x
+rbox 5 r s D2 | qhull FM  >>q_test.x
+echo "rbox 5 r s D2 | qhull n " >>q_test.x
+rbox 5 r s D2 | qhull n  >>q_test.x
+echo "rbox 5 r s D2 | qhull p " >>q_test.x
+rbox 5 r s D2 | qhull p  >>q_test.x
+echo "rbox 5 r s D2 | qhull o " >>q_test.x
+rbox 5 r s D2 | qhull o  >>q_test.x
+echo "rbox 5 r s D2 | qhull Fx" >>q_test.x
+rbox 5 r s D2 | qhull Fx >>q_test.x
+echo "rbox 5 r s D2 | qhull p n i p p" >>q_test.x
+rbox 5 r s D2 | qhull p n i p p >>q_test.x
+echo "rbox 10 D3 | qhull f Tcv" >>q_test.x
+rbox 10 D3 | qhull f Tcv >>q_test.x
+echo "rbox 10 D3 | qhull i" >>q_test.x
+rbox 10 D3 | qhull i >>q_test.x
+echo "rbox 10 D3 | qhull p " >>q_test.x
+rbox 10 D3 | qhull p  >>q_test.x
+echo "rbox 10 D3 | qhull o " >>q_test.x
+rbox 10 D3 | qhull o  >>q_test.x
+echo "rbox 10 D3 | qhull Fx " >>q_test.x
+rbox 10 D3 | qhull Fx  >>q_test.x
+echo "rbox 27 M1,0,1 | qhull Qc" >>q_test.x
+rbox 27 M1,0,1 | qhull Qc >>q_test.x
+echo "rbox 50 D3 s | qhull C0.1 Qc Pd0d1d2 s p Tcv" >>q_test.x
+rbox 50 D3 s | qhull C0.1 Qc Pd0d1d2 s p Tcv >>q_test.x
+echo "rbox 10 D2 P0 P1e-15 | qhull d Qc FP s Tcv" >>q_test.x
+rbox 10 D2 P0 P1e-15 | qhull d Qc FP s Tcv >>q_test.x
+echo "rbox 100 s | qhull C-0.003 Qc FP s" >>q_test.x
+rbox 100 s | qhull C-0.003 Qc FP s >>q_test.x
+echo "rbox 100 s D2 | qhull C0.1 i Fx Tcv" >>q_test.x
+rbox 100 s D2 | qhull C0.1 i Fx Tcv >>q_test.x
+echo "rbox 4 s D3 | qhull Qc Ghipv Tcv " >>q_test.x
+rbox 4 s D3 | qhull Qc Ghipv Tcv  >>q_test.x
+echo "rbox 6 D4 | qhull f Tcv" >>q_test.x
+rbox 6 D4 | qhull f Tcv >>q_test.x
+echo "rbox 6 D4 | qhull i" >>q_test.x
+rbox 6 D4 | qhull i >>q_test.x
+echo "rbox 6 D4 | qhull p " >>q_test.x
+rbox 6 D4 | qhull p  >>q_test.x
+echo "rbox 6 D4 | qhull o" >>q_test.x
+rbox 6 D4 | qhull o >>q_test.x
+echo "rbox 1000 s D2 | qhull FA Tcv" >>q_test.x
+rbox 1000 s D2 | qhull FA Tcv >>q_test.x
+echo "rbox 1000 s | qhull FA Tcv" >>q_test.x
+rbox 1000 s | qhull FA Tcv >>q_test.x
+echo "rbox c D4 | qhull FA Tcv" >>q_test.x
+rbox c D4 | qhull FA Tcv >>q_test.x
+echo "rbox c D5 | qhull FA Tcv" >>q_test.x
+rbox c D5 | qhull FA Tcv >>q_test.x
+echo "rbox 10 D2 | qhull d FA Tcv" >>q_test.x
+rbox 10 D2 | qhull d FA Tcv >>q_test.x
+echo "rbox 10 D2 | qhull d Qu FA Tcv" >>q_test.x
+rbox 10 D2 | qhull d Qu FA Tcv >>q_test.x
+echo "rbox 10 D2 | qhull FA Tcv" >>q_test.x
+rbox 10 D2 | qhull FA Tcv >>q_test.x
+echo "rbox 10 c D2 | qhull Fx Tcv" >>q_test.x
+rbox 10 c D2 | qhull Fx Tcv >>q_test.x
+echo "rbox 1000 s | qhull FS Tcv" >>q_test.x
+rbox 1000 s | qhull FS Tcv >>q_test.x
+echo "rbox 10 W0 D2 | qhull p Qc FcC Tcv" >>q_test.x
+rbox 10 W0 D2 | qhull p Qc FcC Tcv >>q_test.x
+echo "rbox 4 z h s D2 | qhull Fd s n FD Tcv" >>q_test.x
+rbox 4 z h s D2 | qhull Fd s n FD Tcv >>q_test.x
+echo "rbox 6 s D3 | qhull C-0.1 Qc FF s FQ Fi n Fo FQ FI Fm Fn FN FO FO FQ Fs FS FV Fv Tcv" >>q_test.x
+rbox 6 s D3 | qhull C-0.1 Qc FF s FQ Fi n Fo FQ FI Fm Fn FN FO FO FQ Fs FS FV Fv Tcv >>q_test.x
+echo "rbox P0.5,0.5 P0.5,0.5 W0 5 D2 | qhull d FN Qc" >>q_test.x
+rbox P0.5,0.5 P0.5,0.5 W0 5 D2 | qhull d FN Qc >>q_test.x
+echo "rbox 10 D3 | qhull Fa PA5" >>q_test.x
+rbox 10 D3 | qhull Fa PA5 >>q_test.x
+echo "rbox 10 D3 | qhull Fa PF0.4" >>q_test.x
+rbox 10 D3 | qhull Fa PF0.4 >>q_test.x
+
+echo === test Qt >>q_test.x
+echo "rbox c | qhull Qt s o Tcv" >>q_test.x
+rbox c | qhull Qt s o Tcv >>q_test.x
+echo "rbox c | qhull Qt f i" >>q_test.x
+rbox c | qhull Qt f i >>q_test.x
+echo "rbox c | qhull Qt m FM n" >>q_test.x
+rbox c | qhull Qt m FM n >>q_test.x
+echo "rbox c | qhull Qt p o" >>q_test.x
+rbox c | qhull Qt p o >>q_test.x
+echo "rbox c | qhull Qt Fx" >>q_test.x
+rbox c | qhull Qt Fx >>q_test.x
+echo "rbox c | qhull Qt FA s Fa" >>q_test.x
+rbox c | qhull Qt FA s Fa >>q_test.x
+echo "rbox 6 r s c G0.1 D2 | qhull Qt d FA Tcv" >>q_test.x
+rbox 6 r s c G0.1 D2 | qhull Qt d FA Tcv >>q_test.x
+echo "rbox 6 r s c G0.1 D2 | qhull d FA Tcv" >>q_test.x
+rbox 6 r s c G0.1 D2 | qhull d FA Tcv >>q_test.x
+echo "rbox 6 r s c G0.1 D2 | qhull Qt v p Tcv" >>q_test.x
+rbox 6 r s c G0.1 D2 | qhull Qt v p Tcv >>q_test.x
+echo "rbox c | qhull Qt C-0.1 Qc FF s FQ Fi n Fo FQ FI Fm Fn FN FO FO FQ Fs FS FV Fv Tcv" >>q_test.x
+rbox c | qhull Qt C-0.1 Qc FF s FQ Fi n Fo FQ FI Fm Fn FN FO FO FQ Fs FS FV Fv Tcv >>q_test.x
+echo "rbox 6 r s c G0.1 D2 P0.1,0.1 | qhull s FP d FO Qt" >>q_test.x
+rbox 6 r s c G0.1 D2 P0.1,0.1 | qhull s FP d FO Qt >>q_test.x
+echo "RBOX 100 W0 | QHULL Tv Q11 FO" >>q_test.x
+RBOX 100 W0 | QHULL Tv Q11 FO >>q_test.x
+
+echo === test unbounded intersection >>q_test.x
+echo "rbox c | qhull PD0:0.5 n | qhull H0 Fp Tcv" >>q_test.x
+rbox c | qhull PD0:0.5 n | qhull H0 Fp Tcv >>q_test.x
+echo "rbox 1000 W1e-3 D3 | qhull PA8 Fa FS s n Tcv " >>q_test.x
+rbox 1000 W1e-3 D3 | qhull PA8 Fa FS s n Tcv  >>q_test.x
+echo "rbox 1000 W1e-3 D3 | qhull C-0.01 PM10 Fm n Tcv Qc" >>q_test.x
+rbox 1000 W1e-3 D3 | qhull C-0.01 PM10 Fm n Tcv Qc >>q_test.x
+echo "rbox 1000 W1e-3 D3 | qhull C-0.01 PA8 PG n Tcv Qc" >>q_test.x
+rbox 1000 W1e-3 D3 | qhull C-0.01 PA8 PG n Tcv Qc >>q_test.x
+rbox 10 | qhull FO Tz TO q_test.log.1 
+echo "type q_test.log.1" >>q_test.x
+type q_test.log.1 >>q_test.x
+
+echo === check Delaunay/Voronoi ${d:-`date`} >>q_test.x
+echo "rbox 10 D2 | qhull d Tcv" >>q_test.x
+rbox 10 D2 | qhull d Tcv >>q_test.x
+echo "rbox 10 D2 | qhull d Qz Tcv" >>q_test.x
+rbox 10 D2 | qhull d Qz Tcv >>q_test.x
+echo "rbox 10 D3 | qhull d Tcv" >>q_test.x
+rbox 10 D3 | qhull d Tcv >>q_test.x
+echo "rbox c | qhull d Qz Ft Tcv" >>q_test.x
+rbox c | qhull d Qz Ft Tcv >>q_test.x
+echo "rbox 10 s D2 c | qhull d Tcv" >>q_test.x
+rbox 10 s D2 c | qhull d Tcv >>q_test.x
+echo "rbox 10 s D2 | qhull d Tcv Qz Q8" >>q_test.x
+rbox 10 s D2 | qhull d Tcv Qz Q8 >>q_test.x
+echo "rbox 10 D2 | qhull d Tcv p" >>q_test.x
+rbox 10 D2 | qhull d Tcv p >>q_test.x
+echo "rbox 10 D2 | qhull d Tcv i" >>q_test.x
+rbox 10 D2 | qhull d Tcv i >>q_test.x
+echo "rbox 10 D2 | qhull d Tcv o" >>q_test.x
+rbox 10 D2 | qhull d Tcv o >>q_test.x
+echo "rbox 10 D2 | qhull v Tcv o" >>q_test.x
+rbox 10 D2 | qhull v Tcv o >>q_test.x
+echo "rbox 10 D2 | qhull v Tcv p" >>q_test.x
+rbox 10 D2 | qhull v Tcv p >>q_test.x
+echo "rbox 10 D2 | qhull v Tcv G" >>q_test.x
+rbox 10 D2 | qhull v Tcv G >>q_test.x
+echo "rbox 10 D2 | qhull v Tcv Fv" >>q_test.x
+rbox 10 D2 | qhull v Tcv Fv >>q_test.x
+echo "rbox 10 D2 | qhull v Tcv Fi" >>q_test.x
+rbox 10 D2 | qhull v Tcv Fi >>q_test.x
+echo "rbox 10 D2 | qhull v Tcv Fo" >>q_test.x
+rbox 10 D2 | qhull v Tcv Fo >>q_test.x
+echo "rbox 10 D2 | qhull v Qu Tcv o Fv Fi Fo" >>q_test.x
+rbox 10 D2 | qhull v Qu Tcv o Fv Fi Fo >>q_test.x
+echo "rbox 10 D3 | qhull v Tcv Fv" >>q_test.x
+rbox 10 D3 | qhull v Tcv Fv >>q_test.x
+echo "rbox 10 D3 | qhull v Tcv Fi" >>q_test.x
+rbox 10 D3 | qhull v Tcv Fi >>q_test.x
+echo "rbox 10 D3 | qhull v Tcv Fo" >>q_test.x
+rbox 10 D3 | qhull v Tcv Fo >>q_test.x
+echo "rbox 10 D3 | qhull v Qu Tcv o Fv Fi Fo" >>q_test.x
+rbox 10 D3 | qhull v Qu Tcv o Fv Fi Fo >>q_test.x
+echo "rbox 5 D2 | qhull v f FnN o" >>q_test.x
+rbox 5 D2 | qhull v f FnN o >>q_test.x
+
+echo === check Halfspace ${d:-`date`} >>q_test.x
+echo "rbox 100 s D4 | qhull FA FV n s Tcv | qhull H Fp Tcv | qhull FA  Tcv" >>q_test.x
+rbox 100 s D4 | qhull FA s Tcv >>q_test.x
+rbox 100 s D4 | qhull FA FV n s Tcv | qhull H Fp Tcv | qhull FA  Tcv >>q_test.x
+echo "rbox d D3 | qhull FQ n s FD Tcv | qhull Fd H0.1,0.1 Fp FQ Tcv" >>q_test.x
+rbox d D3 | qhull s >>q_test.x
+rbox d D3 | qhull FQ n FD Tcv | qhull Fd H0.1,0.1 Fp FQ Tcv >>q_test.x
+echo "rbox 5 r D2 | qhull s n Tcv | qhull H0 Fp Tcv" >>q_test.x
+rbox 5 r D2 | qhull >>q_test.x
+rbox 5 r D2 | qhull n Tcv | qhull H0 Fp Tcv >>q_test.x
+
+echo === check qhull ${d:-`date`} >>q_test.x
+echo "rbox 10 s D3 | qhull Tcv" >>q_test.x
+rbox 10 s D3 | qhull Tcv >>q_test.x
+echo "rbox 10 s D3 | qhull f Pd0:0.5 Pd2 Tcv" >>q_test.x
+rbox 10 s D3 | qhull f Pd0:0.5 Pd2 Tcv >>q_test.x
+echo "rbox 10 s D3 | qhull f Tcv PD2:-0.5" >>q_test.x
+rbox 10 s D3 | qhull f Tcv PD2:-0.5 >>q_test.x
+echo "rbox 10 s D3 | qhull QR-1" >>q_test.x
+rbox 10 s D3 | qhull QR-1 >>q_test.x
+echo "rbox 10 s D3 | qhull QR-40" >>q_test.x
+rbox 10 s D3 | qhull QR-40 >>q_test.x
+echo "rbox 1000 D3 | qhull Tcvs" >>q_test.x
+rbox 1000 D3 | qhull Tcvs >>q_test.x
+echo "rbox 100 s D3 | qhull TcvV-2" >>q_test.x
+rbox 100 s D3 | qhull TcvV-2 >>q_test.x
+echo "rbox 100 s D3 | qhull TcvC2" >>q_test.x
+rbox 100 s D3 | qhull TcvC2 >>q_test.x
+echo "rbox 100 s D3 | qhull TcvV2" >>q_test.x
+rbox 100 s D3 | qhull TcvV2 >>q_test.x
+echo "rbox 100 s D3 | qhull T1cvV2P2" >>q_test.x
+rbox 100 s D3 | qhull T1cvV2P2 >>q_test.x
+echo "rbox 100 s D3 | qhull TcvF100" >>q_test.x
+rbox 100 s D3 | qhull TcvF100 >>q_test.x
+echo "rbox 100 s D3 | qhull Qf Tcv" >>q_test.x
+rbox 100 s D3 | qhull Qf Tcv >>q_test.x
+echo "rbox 100 D3 | qhull Tcv" >>q_test.x
+rbox 100 D3 | qhull Tcv >>q_test.x
+echo "rbox 100 D3 | qhull Qs Tcv" >>q_test.x
+rbox 100 D3 | qhull Qs Tcv >>q_test.x
+echo "rbox 100 D5 | qhull Qs Tcv" >>q_test.x
+rbox 100 D5 | qhull Qs Tcv >>q_test.x
+echo "rbox 100 D3 | qhull Qr Tcv" >>q_test.x
+rbox 100 D3 | qhull Qr Tcv >>q_test.x
+echo "rbox 100 D3 | qhull Qxv Tcv" >>q_test.x
+rbox 100 D3 | qhull Qxv Tcv >>q_test.x
+echo "rbox 100 D3 | qhull Qi f Pd0 Pd1 Pd2 Tcv" >>q_test.x
+rbox 100 D3 | qhull Qi f Pd0 Pd1 Pd2 Tcv >>q_test.x
+echo "rbox c d | qhull Qc f Tcv" >>q_test.x
+rbox c d | qhull Qc f Tcv >>q_test.x
+echo "rbox c d | qhull Qc p Tcv" >>q_test.x
+rbox c d | qhull Qc p Tcv >>q_test.x
+echo "rbox 100 D3 | qhull QbB FO Tcv" >>q_test.x
+rbox 100 D3 | qhull QbB FO Tcv >>q_test.x
+echo "rbox 1000 D2 B1e6 | qhull d Qbb FO Tcv" >>q_test.x
+rbox 1000 D2 B1e6 | qhull d Qbb FO Tcv >>q_test.x
+echo "rbox 10 D3 | qhull QbB p Tcv" >>q_test.x
+rbox 10 D3 | qhull QbB p Tcv >>q_test.x
+echo "rbox 10 D3 | qhull Qbb p Tcv" >>q_test.x
+rbox 10 D3 | qhull Qbb p Tcv >>q_test.x
+echo "rbox 10 D3 | qhull Qb0:-10B2:20 p Tcv" >>q_test.x
+rbox 10 D3 | qhull Qb0:-10B2:20 p Tcv >>q_test.x
+echo "rbox 10 D3 | qhull Qb0:-10B2:20 p Tcv | qhull QbB p Tcv" >>q_test.x
+rbox 10 D3 | qhull Qb0:-10B2:20 p Tcv | qhull QbB p Tcv >>q_test.x
+echo "rbox 10 D3 | qhull Qb1:0B1:0 d Tcv Q8" >>q_test.x
+rbox 10 D3 | qhull Qb1:0B1:0 d Tcv Q8 >>q_test.x
+echo "rbox 10 D3 | qhull Qb1:0B1:0B2:0 d Tcv Q8" >>q_test.x
+rbox 10 D3 | qhull Qb1:0B1:0B2:0 d Tcv Q8 >>q_test.x
+echo "rbox 10 D3 | qhull Qb1:0 d Tcv " >>q_test.x
+rbox 10 D3 | qhull Qb1:0 d Tcv  >>q_test.x
+echo "rbox 10 D3 | qhull Qb1:0B1:0  Tcv" >>q_test.x
+rbox 10 D3 | qhull Qb1:0B1:0  Tcv >>q_test.x
+echo "== next command will error ==" >>q_test.x
+echo "rbox 10 D2 | qhull Qb1:1B1:1 Tcv" >>q_test.x
+rbox 10 D2 | qhull Qb1:1B1:1 Tcv >>q_test.x
+echo "rbox 200 L20 D2 t | qhull FO Tcv C-0" >>q_test.x
+rbox 200 L20 D2 t | qhull FO Tcv C-0 >>q_test.x
+echo "rbox 1000 L20 t | qhull FO Tcv C-0" >>q_test.x
+rbox 1000 L20 t | qhull FO Tcv C-0 >>q_test.x
+echo "rbox 200 L20 D4 t | qhull FO Tcv C-0" >>q_test.x
+rbox 200 L20 D4 t | qhull FO Tcv C-0 >>q_test.x
+echo "rbox 200 L20 D5 t | qhull FO Tcv Qx" >>q_test.x
+rbox 200 L20 D5 t | qhull FO Tcv Qx >>q_test.x
+echo "rbox 1000 W1e-3 s D2 t | qhull d FO Tcv Qu Q0" >>q_test.x
+rbox 1000 W1e-3 s D2 t | qhull d FO Tcv Qu Q0 >>q_test.x
+echo "rbox 1000 W1e-3 s D2 t | qhull d FO Tcv Qu C-0" >>q_test.x
+rbox 1000 W1e-3 s D2 t | qhull d FO Tcv Qu C-0 >>q_test.x
+
+echo === check joggle and TRn ${d:-`date`} >>q_test.x
+echo "rbox 100 W0 | qhull QJ1e-14 Qc TR100 Tv" >>q_test.x
+rbox 100 W0 | qhull QJ1e-14 Qc TR100 Tv >>q_test.x
+echo "rbox 100 W0 | qhull QJ1e-13 Qc TR100 Tv" >>q_test.x
+rbox 100 W0 | qhull QJ1e-13 Qc TR100 Tv >>q_test.x
+echo "rbox 100 W0 | qhull QJ1e-12 Qc TR100 Tv" >>q_test.x
+rbox 100 W0 | qhull QJ1e-12 Qc TR100 Tv >>q_test.x
+echo "rbox 100 W0 | qhull QJ1e-11 Qc TR100 Tv" >>q_test.x
+rbox 100 W0 | qhull QJ1e-11 Qc TR100 Tv >>q_test.x
+echo "rbox 100 W0 | qhull QJ1e-10 Qc TR100 Tv" >>q_test.x
+rbox 100 W0 | qhull QJ1e-10 Qc TR100 Tv >>q_test.x
+echo "rbox 100 | qhull d QJ Qb0:1e4 QB0:1e5 Qb1:1e4 QB1:1e6 Qb2:1e5 QB2:1e7 FO Tv" >>q_test.x
+rbox 100 | qhull d QJ Qb0:1e4 QB0:1e5 Qb1:1e4 QB1:1e6 Qb2:1e5 QB2:1e7 FO Tv >>q_test.x
+
+echo === check precision options ${d:-`date`} >>q_test.x
+echo "rbox 100 D3 s | qhull E0.01 Qx Tcv FO" >>q_test.x
+rbox 100 D3 s | qhull E0.01 Qx Tcv FO >>q_test.x
+echo "rbox 100 D3 W1e-1 | qhull W1e-3 Tcv" >>q_test.x
+rbox 100 D3 W1e-1 | qhull W1e-3 Tcv >>q_test.x
+echo "rbox 100 D3 W1e-1 | qhull W1e-2 Tcv Q0" >>q_test.x
+rbox 100 D3 W1e-1 | qhull W1e-2 Tcv Q0 >>q_test.x
+echo "rbox 100 D3 W1e-1 | qhull W1e-2 Tcv" >>q_test.x
+rbox 100 D3 W1e-1 | qhull W1e-2 Tcv >>q_test.x
+echo "rbox 100 D3 W1e-1 | qhull W1e-1 Tcv" >>q_test.x
+rbox 100 D3 W1e-1 | qhull W1e-1 Tcv >>q_test.x
+echo "rbox 15 D2 P0 P1e-14,1e-14 | qhull d Quc Tcv" >>q_test.x
+rbox 15 D2 P0 P1e-14,1e-14 | qhull d Quc Tcv >>q_test.x
+echo "rbox 15 D3 P0 P1e-12,1e-14,1e-14 | qhull d Qcu Tcv" >>q_test.x
+rbox 15 D3 P0 P1e-12,1e-14,1e-14 | qhull d Qcu Tcv >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Tcv Qc >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 V0 Qc Tcv" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 V0 Qc Tcv >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 U0 Qc Tcv" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 U0 Qc Tcv >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 V0 Qcm Tcv" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 V0 Qcm Tcv >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Qcm Tcv" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Qcm Tcv >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q1 FO Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q1 FO Tcv Qc >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q2 FO Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q2 FO Tcv Qc >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q3 FO Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q3 FO Tcv Qc >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q4 FO Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q4 FO Tcv Qc >>q_test.x
+echo === this may generate an error ${d:-`date`} >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q5 FO Tcv " >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q5 FO Tcv  >>q_test.x
+echo === this should generate an error ${d:-`date`} >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q6 FO Po Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q6 FO Po Tcv Qc >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Q7 FO Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Q7 FO Tcv Qc >>q_test.x
+echo "rbox 1000 s D3 | qhull C-0.01 Qx Tcv Qc" >>q_test.x
+rbox 1000 s D3 | qhull C-0.01 Qx Tcv Qc >>q_test.x
+echo "rbox 100 s D3 t | qhull R1e-3 Tcv Qc" >>q_test.x
+rbox 100 s D3 t | qhull R1e-3 Tcv Qc >>q_test.x
+echo "rbox 100 s D3 t | qhull R1e-2 Tcv Qc" >>q_test.x
+rbox 100 s D3 t | qhull R1e-2 Tcv Qc >>q_test.x
+echo "rbox 500 s D3 t | qhull R0.05 A-1 Tcv Qc" >>q_test.x
+rbox 500 s D3 t | qhull R0.05 A-1 Tcv Qc >>q_test.x
+echo "rbox 100 W0 D3 t | qhull R1e-3 Tcv Qc" >>q_test.x
+rbox 100 W0 D3 t | qhull R1e-3 Tcv Qc >>q_test.x
+echo "rbox 100 W0 D3 t | qhull R1e-3 Qx Tcv Qc" >>q_test.x
+rbox 100 W0 D3 t | qhull R1e-3 Qx Tcv Qc >>q_test.x
+echo "rbox 100 W0 D3 t | qhull R1e-2 Tcv Qc" >>q_test.x
+rbox 100 W0 D3 t | qhull R1e-2 Tcv Qc >>q_test.x
+echo "rbox 100 W0 D3 t | qhull R1e-2 Qx Tcv Qc" >>q_test.x
+rbox 100 W0 D3 t | qhull R1e-2 Qx Tcv Qc >>q_test.x
+echo "rbox 500 W0 D3 t | qhull R0.05 A-1 Tcv Qc" >>q_test.x
+rbox 500 W0 D3 t | qhull R0.05 A-1 Tcv Qc >>q_test.x
+echo "rbox 500 W0 D3 t | qhull R0.05 Qx Tcv Qc" >>q_test.x
+rbox 500 W0 D3 t | qhull R0.05 Qx Tcv Qc >>q_test.x
+echo "rbox 1000 W1e-20 t | qhull Tcv Qc" >>q_test.x
+rbox 1000 W1e-20 t | qhull Tcv Qc >>q_test.x
+echo "rbox 1000 W1e-20 D4 t | qhull Tcv Qc" >>q_test.x
+rbox 1000 W1e-20 D4 t | qhull Tcv Qc >>q_test.x
+echo "rbox 500 W1e-20 D5 t | qhull Tv Qc" >>q_test.x
+rbox 500 W1e-20 D5 t | qhull Tv Qc >>q_test.x
+echo "rbox 100 W1e-20 D6 t | qhull Tv Qc" >>q_test.x
+rbox 100 W1e-20 D6 t | qhull Tv Qc >>q_test.x
+echo "rbox 50 W1e-20 D6 t | qhull Qv Tv Qc" >>q_test.x
+rbox 50 W1e-20 D6 t | qhull Qv Tv Qc >>q_test.x
+echo "rbox 10000 D4 t | qhull QR0 Qc C-0.01 A0.3 Tv" >>q_test.x
+rbox 10000 D4 t | qhull QR0 Qc C-0.01 A0.3 Tv >>q_test.x
+echo "rbox 1000 D2 t | qhull d QR0 Qc C-1e-8 Qu Tv" >>q_test.x
+rbox 1000 D2 t | qhull d QR0 Qc C-1e-8 Qu Tv >>q_test.x
+echo "rbox 300 D5 t |qhull A-0.999 Qc Tcv" >>q_test.x
+rbox 300 D5 t |qhull A-0.999 Qc Tcv >>q_test.x
+echo "rbox 100 D6 t |qhull A-0.9999 Qc Tcv" >>q_test.x
+rbox 100 D6 t |qhull A-0.9999 Qc Tcv >>q_test.x
+echo "rbox 50 D7 t |qhull A-0.99999 Qc Tcv W0.1" >>q_test.x
+rbox 50 D7 t |qhull A-0.99999 Qc Tcv W0.1 >>q_test.x
+
+echo === check bad cases for Qhull.  May cause errors ${d:-`date`} >>q_test.x
+echo "RBOX 1000 L100000 s G1e-6 t | QHULL Tv" >>q_test.x
+RBOX 1000 L100000 s G1e-6 t | QHULL Tv >>q_test.x
+echo "RBOX 1000 L100000 s G1e-6 t | QHULL Tv Q10" >>q_test.x
+RBOX 1000 L100000 s G1e-6 t | QHULL Tv Q10 >>q_test.x
+echo "rbox 1000 s Z1 G1e-13 t | qhull Tv" >>q_test.x
+rbox 1000 s Z1 G1e-13 t | qhull Tv >>q_test.x
+echo "RBOX 1000 s W1e-13 P0 t | QHULL d Qbb Qc Tv" >>q_test.x
+RBOX 1000 s W1e-13 P0 t | QHULL d Qbb Qc Tv >>q_test.x
+echo "RBOX 1000 s W1e-13 t | QHULL d Tv" >>q_test.x
+RBOX 1000 s W1e-13 t | QHULL d Tv >>q_test.x
+echo "RBOX 1000 s W1e-13 t D2 | QHULL d Tv" >>q_test.x
+RBOX 1000 s W1e-13 t D2 | QHULL d Tv >>q_test.x
+
+echo ======================================================= >>q_test.x
+echo ======================================================= >>q_test.x
+echo === The following commands may cause errors =========== >>q_test.x
+echo ======================================================= >>q_test.x
+echo ======================================================= >>q_test.x
+echo "rbox c D7 | qhull Q0 Tcv" >>q_test.x
+rbox c D7 | qhull Q0 Tcv >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 E1e-3 Tc Po" >>q_test.x
+rbox 100 s D3 | qhull Q0 E1e-3 Tc Po >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 E1e-2 Tc Po" >>q_test.x
+rbox 100 s D3 | qhull Q0 E1e-2 Tc Po >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 E1e-1 Tc Po" >>q_test.x
+rbox 100 s D3 | qhull Q0 E1e-1 Tc Po >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 R1e-3 Tc Po" >>q_test.x
+rbox 100 s D3 | qhull Q0 R1e-3 Tc Po >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 R1e-2 Tc Po" >>q_test.x
+rbox 100 s D3 | qhull Q0 R1e-2 Tc Po >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 R0.05 Tc" >>q_test.x
+rbox 100 s D3 | qhull Q0 R0.05 Tc >>q_test.x
+echo "rbox 100 s D3 | qhull Q0 R0.05 Tc Po" >>q_test.x
+rbox 100 s D3 | qhull Q0 R0.05 Tc Po >>q_test.x
+echo "rbox 1000 W1e-7 | qhull Q0 Tc Po" >>q_test.x
+rbox 1000 W1e-7 | qhull Q0 Tc Po >>q_test.x
+echo "rbox 50 s | qhull Q0 V0.05 W0.01 Tc Po" >>q_test.x
+rbox 50 s | qhull Q0 V0.05 W0.01 Tc Po >>q_test.x
+echo "rbox 100 s D5 | qhull Q0 R1e-2 Tc Po" >>q_test.x
+rbox 100 s D5 | qhull Q0 R1e-2 Tc Po >>q_test.x
+echo "qhull" >>q_test.x
+qhull >>q_test.x
+echo "qhull ." >>q_test.x
+qhull . >>q_test.x
+echo "qhull -" >>q_test.x
+qhull - >>q_test.x
+echo "rbox" >>q_test.x
+rbox >>q_test.x
+
+echo "# end of q_test" >>q_test.x
--- a/src/qhull/eg/qhull-zip.sh
+++ b/src/qhull/eg/qhull-zip.sh
@@ -0,0 +1,317 @@
+#!/bin/sh
+#
+# qhull-zip.sh version -- Make zip and tgz files for Qhull release
+#
+# wzzip from http://www.winzip.com/wzcline.htm
+#   can not use path with $zip_file 
+#   odd error messages if can't locate directory
+#
+# $Id: //main/2015/qhull/eg/qhull-zip.sh#16 $$Change: 2071 $
+# $DateTime: 2016/01/18 23:12:45 $$Author: bbarber $
+
+if [[ $# -ne 3 ]]; then
+        echo 'Missing date stamp, e.g., qhull-zip.sh 2015 2015.2 7.2.0' 
+        exit
+fi
+versionyear=$1
+version=$2
+versionunix=$3
+
+err_program=qhull-zip
+err_log=/var/tmp/qhull-zip.log
+[[ -e $HOME/bash/etc/road-script.sh ]] && source $HOME/bash/etc/road-script.sh \
+    || source /etc/road-script.sh
+
+check_err_log $LINENO "$err_log"
+check_err_log $LINENO "$err_step_log"
+log_step $LINENO "Logging to $err_log\n... and $err_step_log"
+
+log_note $LINENO "Find Qhull directory" 
+if [[ ! -d qhull/eg && ! -d ../qhull/eg && -d ../../qhull/eg ]]; then
+    exit_err $LINENO "qhull/eg directory not found at or above $PWD"
+fi
+if [[ ! -d qhull/eg ]]; then
+    if [[ -d ../qhull/eg ]]; then
+        cd ..
+    else
+        cd ../..  # Tested above
+    fi
+fi
+root_dir=$(pwd)
+
+TEMP_DIR="$TMP/qhull-zip-$(ro_today2)"
+TEMP_FILE="$TMP/qhull-zip-$(ro_today2).txt"
+
+qhull_zip_file=qhull-$version.zip # no path or spaces
+qhull_tgz_file=qhull-$versionyear-src-$versionunix.tgz
+qhullmd5_file=qhull-$version.md5sum
+
+exit_if_fail $LINENO "rm -f $qhull_zip_file $qhull_tgz_file $qhullmd5_file"
+
+#############################
+log_step $LINENO "Check files"
+#############################
+
+exit_if_fail $LINENO "cd qhull"
+if ! grep "if 0 .* QHULL_CRTDBG" src/libqhull/user.h >/dev/null; then
+    exit_err $LINENO "QHULL_CRTDBG is defined in src/libqhull/user.h"
+elif ! grep "if 0 .* QHULL_CRTDBG" src/libqhull_r/user_r.h >/dev/null; then
+    exit_err $LINENO "QHULL_CRTDBG is defined in src/libqhull_r/user_r.h"
+elif ! grep "^#define qh_QHpointer 0" src/libqhull/user.h >/dev/null; then
+    exit_err $LINENO "qh_QHpointer is defined in src/libqhull/user.h"
+fi
+
+if (od -a Makefile src/libqhull/Makefile src/libqhull_r/Makefile build/*.in html/*.man eg/*.sh eg/q_eg eg/q_egtest eg/q_test | grep cr >/dev/null); then
+    exit_err $LINENO "A Makefile contains DOS line endings (od -a Makefile | grep cr)"
+fi
+
+NOT_OK=$(grep -h "^ " Makefile src/libqhull/Makefile src/libqhull_r/Makefile | grep -vE '^[ \t]+[$()a-zA-Z_/]+\.[oh]|bin/testqset_r qtest')
+if [[ -n "$NOT_OK" ]]; then
+    exit_err $LINENO "A Makefile contains a leading space instead of tabs:\n$NOT_OK"
+fi
+
+TXTFILES=$(find *.diz *.htm *.txt html/ src/ working/qhull-news.html -type f -name '*.c' -o -name '*.cpp' -o -name '*.def' -o -name '*.diz' -o -name '*.h' -o -name '*.htm*' -o -name '*.txt' -o -name '*.pri' -o -name '*.pro' -o -name '*.txt' -o -name '*.txt' -o -name '*.xml')
+NOT_OK=$(for f in $TXTFILES; do if (od -a $f | grep '[^r0-9 ] *nl' >/dev/null); then echo $f; fi; done)
+if [[ -n "$NOT_OK" ]]; then
+    exit_err $LINENO "Text files with Unix line endings:\n$NOT_OK\nu2d *.diz *.htm *.txt html/*.txt html/*.htm html/*.xml src/*.pr* src/*.txt src/*/*.c;\nu2d src/*/*.cpp src/*/*.def src/*/*.h src/*/*.htm src/*/*.pro src/*/*.txt working/qhull-news.html"
+fi
+exit_if_fail $LINENO "cd .."
+
+
+#############################
+log_step $LINENO "Check environment"
+#############################
+
+[[ $(type -p md5sum) ]] || exit_err $LINENO "md5sum is missing"
+[[ $(cp --help || grep '[-]-parents') ]] ||  exit_err $LINENO "cp does not have --parents option"
+
+#############################
+log_step $LINENO "Define functions"
+#############################
+
+function check_zip_file #zip_file
+{
+    local zip_file=$1
+    local HERE=$(ro_here)
+    log_note $HERE "Check $zip_file"
+    ls -l $zip_file >>$err_log
+    exit_if_err $HERE "Did not create $zip_file"
+    wzunzip -ybc -t $zip_file | grep -E -v -e '( OK|Zip)' >>$err_log
+    exit_if_err $HERE "Error while checking $zip_file"
+}
+
+function check_tgz_file #tgz_file
+{
+    local tgz_file=$1
+    local HERE=$(ro_here)
+    log_note $HERE "Check $tgz_file"
+    ls -l $tgz_file >>$err_log
+    exit_if_err $HERE "Did not create $tgz_file"
+    tar -tzf $tgz_file >/dev/null 2>>$err_log
+    exit_if_err $HERE "Can not extract -- tar -tzf $tgz_file"
+}
+
+function convert_to_unix #dir $qhull_2ufiles -- convert files to Unix, preserving modtime from $root_dir
+{
+    local temp_dir=$1
+    local HERE=$(ro_here)
+    log_note $HERE "Convert files to unix format in $1"
+    for f in $(find $temp_dir -type f | grep -E '^([^.]*|.*\.(ac|am|bashrc|c|cfg|cpp|css|d|dpatch|h|htm|html|man|pl|pri|pro|profile|sh|sql|termcap|txt|xml|xsd|xsl))$'); do
+        exit_if_fail $HERE "d2u '$f' && touch -r '$root_dir/${f#$temp_dir/}' '$f'"
+    done
+    for f in $qhull_2ufiles; do
+        exit_if_fail $HERE "d2u '$temp_dir/$f' && touch -r '$root_dir/$f' '$temp_dir/$f'"
+    done
+}
+
+function create_md5sum #md5_file -- create md5sum of current directory
+{
+    local md5_file=$1
+    local HERE=$(ro_here)
+    log_step $HERE "Compute $md5_file"
+    exit_if_fail $HERE "rm -f $md5_file"
+    find . -type f | sed 's|^\./||' | sort | xargs md5sum >>$md5_file
+    exit_if_err $HERE "md5sum failed"
+    log_note $HERE "$(md5sum $md5_file)"
+}
+
+#############################
+log_step $LINENO "Configure $0 for $(pwd)/qhull"
+#############################
+
+md5_zip_file=qhull-$version.zip.md5sum
+md5_tgz_file=qhull-$versionyear-src-$versionunix.tgz.md5sum
+
+# recursive 
+qhull_dirs="qhull/CMakeModules qhull/eg qhull/html qhull/src"
+qhull_files="qhull/build/*.sln qhull/build/*.vcproj qhull/build/qhulltest/*.vcproj \
+    qhull/build/*.vcxproj qhull/build/qhulltest/*.vcxproj \
+    qhull/Announce.txt qhull/CMakeLists.txt qhull/COPYING.txt \
+    qhull/File_id.diz qhull/QHULL-GO.lnk qhull/README.txt \
+    qhull/REGISTER.txt qhull/index.htm qhull/Makefile  \
+    qhull/bin/qconvex.exe qhull/bin/qdelaunay.exe qhull/bin/qhalf.exe \
+    qhull/bin/qhull.exe qhull/bin/qhull_r.dll qhull/bin/qvoronoi.exe \
+    qhull/bin/rbox.exe qhull/bin/user_eg.exe qhull/bin/user_eg2.exe \
+    qhull/bin/testqset_r.exe \
+    qhull/bin/user_eg3.exe qhull/bin/testqset.exe qhull/bin/msvcr80.dll"
+qhull_ufiles="$qhull_dirs qhull/build/*.sln qhull/build/*.vcproj \
+    qhull/Announce.txt qhull/CMakeLists.txt qhull/COPYING.txt \
+    qhull/File_id.diz qhull/QHULL-GO.lnk qhull/README.txt \
+    qhull/REGISTER.txt qhull/index.htm qhull/Makefile"
+qhull_d2ufiles="Makefile src/libqhull/Makefile src/libqhull_r/Makefile \
+    src/*/DEPRECATED.txt src/*/*.pro src/*/*.htm html/*.htm html/*.txt \
+    src/libqhull/MBorland eg/q_eg eg/q_egtest eg/q_test "
+    
+#############################
+log_step $LINENO "Clean distribution directories"
+#############################
+
+rm -r qhull/build/*
+p4 sync -f qhull/build/...
+exit_if_err $LINENO "Can not 'p4 sync -f qhull.sln *.vcproj'"
+rm qhull/build/user_egp.vcproj qhull/build/qhullp.vcproj
+cd qhull && make clean
+exit_if_err $LINENO "Can not 'make clean'"
+cd ..
+# Includes many files from 'cleanall' (Makefile)
+rm -f qhull/src/qhull-all.pro.user* qhull/src/libqhull/BCC32tmp.cfg
+rm -f qhull/eg/eg.* 
+rm -f qhull/bin/qhulltest.exe qhull/bin/qhulltest qhull/bin/qhullp.exe qhull/bin/user_egp.exe
+rm -f qhull/src/libqhull/*.exe qhull/src/libqhull/*.a
+rm -f qhull/src/libqhull_r/*.exe qhull/src/libqhull_r/*.a
+rm -f qhull/src/libqhull/qconvex.c qhull/src/libqhull/unix.c 
+rm -f qhull/src/libqhull/qdelaun.c qhull/src/libqhull/qhalf.c
+rm -f qhull/src/libqhull/qvoronoi.c qhull/src/libqhull/rbox.c
+rm -f qhull/src/libqhull/user_eg.c qhull/src/libqhull/user_eg2.c  
+rm -f qhull/src/libqhull/testqset.c 
+rm -f qhull/src/libqhull_r/qconvex_r.c qhull/src/libqhull_r/unix_r.c 
+rm -f qhull/src/libqhull_r/qdelaun_r.c qhull/src/libqhull_r/qhalf_r.c
+rm -f qhull/src/libqhull_r/qvoronoi_r.c qhull/src/libqhull_r/rbox_r.c
+rm -f qhull/src/libqhull_r/user_eg_r.c qhull/src/libqhull_r/user_eg2_r.c  
+rm -f qhull/src/libqhull_r/testqset_r.c 
+find qhull/ -type f -name x -o -name 'x.*' -o -name '*.x' | xargs -r rm
+set noglob
+
+if [[ -e /bin/msysinfo && $(type -p wzzip) && $(type -p wzunzip) ]]; then
+
+    #############################
+    log_step $LINENO "Build zip directory, $TEMP_DIR/qhull"
+    #############################
+
+    ls -l $qhull_files $qhull_dirs >>$err_log 
+    exit_if_err $LINENO "Missing files for zip directory.  Release build only"
+
+    log_note $LINENO "Copy \$qhull_files \$qhull_dirs to $TEMP_DIR/qhull"
+    exit_if_fail $LINENO "rm -rf $TEMP_DIR && mkdir $TEMP_DIR"
+    exit_if_fail $LINENO "cp -r -p --parents $qhull_files $qhull_dirs $TEMP_DIR"
+
+    #############################
+    log_step $LINENO "Write md5sum to $md5_tgz_file"
+    #############################
+
+    exit_if_fail $LINENO "pushd $TEMP_DIR/qhull"
+    create_md5sum $md5_zip_file
+    exit_if_fail $LINENO "cp -p $md5_zip_file $root_dir"
+    
+    #############################
+    log_step $LINENO "Write $qhull_zip_file"
+    #############################
+
+    log_note $LINENO "Write \$qhull_files to $qhull_zip_file"
+    exit_if_fail $LINENO "cd .. && mv qhull qhull-$version && md5sum qhull-$version/$md5_zip_file >>$root_dir/$qhullmd5_file"
+    wzzip -P -r -u $qhull_zip_file qhull-$version >>$err_log
+    exit_if_err $LINENO "wzzip does not exist or error while zipping files"
+    check_zip_file $qhull_zip_file
+    exit_if_fail $LINENO "popd"
+    exit_if_fail $LINENO "mv $TEMP_DIR/$qhull_zip_file ."
+fi
+
+#############################
+log_step $LINENO "Build tgz directory, $TEMP_DIR/qhull"
+#############################
+
+log_note $LINENO "Archive these files as $qhull_tgz_file"
+ls -l $qhull_ufiles >>$err_log 
+exit_if_err $LINENO "Missing files for tgz"
+
+exit_if_fail $LINENO "rm -rf $TEMP_DIR && mkdir -p $TEMP_DIR"
+exit_if_fail $LINENO "cp -r -p --parents $qhull_ufiles $TEMP_DIR"
+
+if [[ $IS_WINDOWS && $(type -p d2u) ]]; then
+    log_step $LINENO "Convert to Unix line endings"
+    convert_to_unix "$TEMP_DIR"
+fi
+
+#############################
+log_step $LINENO "Write md5sum to $md5_tgz_file"
+#############################
+
+exit_if_fail $LINENO "pushd $TEMP_DIR && cd qhull"
+create_md5sum $md5_tgz_file
+exit_if_fail $LINENO "cp -p $md5_tgz_file $root_dir"
+
+exit_if_fail $LINENO "cd .. && mv qhull qhull-$version && md5sum qhull-$version/$md5_tgz_file >>$root_dir/$qhullmd5_file"
+
+#############################
+log_step $LINENO "Write $qhull_tgz_file"
+#############################
+
+exit_if_fail $LINENO "tar -zcf $root_dir/$qhull_tgz_file * && popd"
+check_tgz_file $qhull_tgz_file
+
+log_note $LINENO "md5sum of zip and tgz files"
+
+for f in $qhull_zip_file $qhull_tgz_file; do
+    if [[ -r $f ]]; then
+        exit_if_fail $LINENO "md5sum $f >>$qhullmd5_file"
+    fi
+done
+
+#############################
+log_step $LINENO "Extract zip and tgz files to ($TEMP_DIR)"
+#############################
+
+exit_if_fail $LINENO "rm -rf $TEMP_DIR"
+if [[ -r $root_dir/$qhull_zip_file ]]; then
+    exit_if_fail $LINENO "mkdir -p $TEMP_DIR/zip && cd $TEMP_DIR/zip"
+    exit_if_fail $LINENO "wzunzip -yb -d $root_dir/$qhull_zip_file"
+    log_step $LINENO "Search for date stamps to zip/Dates.txt"
+    find . -type f | grep -v '/bin/' | xargs grep '\-20' | grep -v -E '(page=|ISBN|sql-2005|utility-2000|written 2002-2003|tail -n -20|Spinellis|WEBSIDESTORY|D:06-5-2007|server-2005)' >Dates.txt
+    find . -type f | grep -v '/bin/' | xargs grep -i 'qhull *20' >>Dates.txt
+    find . -type f | grep -v '/bin/' | xargs grep -E 'SO=|SO |VERSION' >>Dates.txt
+fi
+if [[ -r $root_dir/$qhull_tgz_file ]]; then
+    exit_if_fail $LINENO "mkdir -p $TEMP_DIR/tgz && cd $TEMP_DIR/tgz"
+    exit_if_fail $LINENO "tar -zxf $root_dir/$qhull_tgz_file"
+fi
+
+#############################
+log_step $LINENO "====================================================================="
+log_step $LINENO "Check for 18 projects in Release mode, including qhulltest"
+log_step $LINENO "Check build dependencies for programs."
+log_step $LINENO "Test unix compile"
+log_step $LINENO " cd .. && scp $qhull_tgz_file qhull@qhull.org:"
+log_step $LINENO " tar zxf $qhull_tgz_file && cd qhull-$version && make >../make.x 2>&1"
+log_step $LINENO " make test"
+log_step $LINENO "Test qhull and compare to q_test-ok.txt"
+log_step $LINENO " cd $TEMP_DIR/zip/qhull* && make testall >/c/bash/local/qhull/eg/q_test.x 2>&1"
+log_step $LINENO "Build and test testqhull.  Compare to qhulltest-ok.txt"
+log_step $LINENO " cd /c/bash/local/qhull && bin/qhulltest --all >eg/qhulltest.x 2>&1"
+log_step $LINENO "Build qhull with gcc"
+log_step $LINENO " cd $TEMP_DIR/zip/qhull* && make SO=dll" 
+log_step $LINENO "Test qhull and compare to q_test-ok.txt"
+log_step $LINENO " cp -p lib/libqhull*.dll bin && make testall >/c/bash/local/qhull/eg/q_test-make.x 2>&1"
+log_step $LINENO "Build and test libqhull"
+log_step $LINENO " cd src/libqhull && make && cp *.exe ../../bin && cd ../.. && make test && ls -l bin/qhull.exe"
+log_step $LINENO " make testall >/c/bash/local/qhull/eg/q_test-libqhull.x 2>&1"
+log_step $LINENO "Build and test libqhull_r"
+log_step $LINENO " cd src/libqhull_r && make && cp *.exe ../../bin && cd ../.. && make test && ls -l bin/qhull.exe"
+log_step $LINENO " make testall >/c/bash/local/qhull/eg/q_test-libqhull_r.x 2>&1"
+log_step $LINENO "Compare previous zip release, Dates.txt, and md5sum.  Check for virus."
+log_step $LINENO "Compare zip and tgz for CRLF vs LF"
+log_step $LINENO "Search xml files for UNDEFINED. Check page links"
+log_step $LINENO "Extract zip to Qhull/ and compare directories"
+log_step $LINENO "Copy tarballs to qhull.org"
+log_step $LINENO " scp qhull-2015*x qhull@qhull.org:web/download/"
+log_step $LINENO "Finished successfully"
+#############################
--- a/src/qhull/eg/qhulltest-ok.txt
+++ b/src/qhull/eg/qhulltest-ok.txt
--- a/src/qhull/html/index.htm
+++ b/src/qhull/html/index.htm
@@ -0,0 +1,935 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<meta http-equiv="Content-Type"
+content="text/html; charset=iso-8859-1">
+<meta name="GENERATOR" content="Microsoft FrontPage 2.0">
+<title>Qhull manual</title>
+<!-- Navigation links
+NOTE -- verify all links by 'grep href=' 'grep name=' add # 'sort /+7'
+        index.htm
+-->
+</head>
+
+<body>
+
+<p><a name="TOP"><b>Up:</b></a> <a
+href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b><a
+href="http://www.qhull.org/news">News</a> about Qhull<br>
+<b>Up:</b> <a href="http://www.qhull.org/html/qh-faq.htm">FAQ</a> about Qhull<br>
+<b>To:</b> <a href="#TOC">Qhull manual: Table of Contents</a>
+(please wait while loading) <br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+
+<hr>
+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/fixed.html"><img
+src="qh--rand.gif" alt="[random-fixed]" align="middle"
+width="100" height="100"></a> Qhull manual </h1>
+
+<p>Qhull is a general dimension code for computing convex hulls,
+Delaunay triangulations, halfspace intersections about a point, Voronoi
+diagrams, furthest-site Delaunay triangulations, and
+furthest-site Voronoi diagrams.  These structures have
+applications in science, engineering, statistics, and
+mathematics. See <a
+href="http://www.cs.mcgill.ca/~fukuda/soft/polyfaq/polyfaq.html">Fukuda's
+introduction</a> to convex hulls, Delaunay triangulations,
+Voronoi diagrams, and linear programming. For a detailed
+introduction, see O'Rourke [<a href="#orou94">'94</a>], <i>Computational
+Geometry in C</i>.
+</p>
+
+<p>There are six programs.  Except for rbox, they use
+the same code.  Each program includes instructions and examples.
+<blockquote>
+<ul>
+<li><a href="qconvex.htm">qconvex</a> -- convex hulls
+<li><a href="qdelaun.htm">qdelaunay</a> -- Delaunay triangulations and
+ furthest-site Delaunay triangulations
+<li><a href="qhalf.htm">qhalf</a> -- halfspace intersections about a point
+<li><a href="qhull.htm">qhull</a> -- all structures with additional options
+<li><a href="qvoronoi.htm">qvoronoi</a> -- Voronoi diagrams and
+  furthest-site Voronoi diagrams
+<li><a href="rbox.htm">rbox</a> -- generate point distributions for qhull
+</ul>
+</blockquote>
+
+<p>Qhull implements the Quickhull algorithm for computing the
+convex hull. Qhull includes options
+for hull volume, facet area, multiple output formats, and
+graphical output. It can approximate a convex hull. </p>
+
+<p>Qhull handles roundoff errors from floating point
+arithmetic.  It generates a convex hull with "thick" facets.
+A facet's outer plane is clearly above all of the points;
+its inner plane is clearly below the facet's vertices.  Any
+exact convex hull must lie between the inner and outer plane.
+
+<p>Qhull uses merged facets, triangulated output, or joggled
+input.  Triangulated output triangulates non-simplicial, merged
+facets.  Joggled input also
+guarantees simplicial output, but it
+is less accurate than merged facets.  For merged facets, Qhull
+reports the maximum outer and inner plane.
+
+<p><i>Brad Barber, Arlington, MA</i></p>
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<h2><a href="#TOP">&#187;</a><a name="TOC">Qhull manual: Table of
+Contents </a></h2>
+
+<ul>
+    <li><a href="#when">When</a> to use Qhull
+             <ul>
+         <li><a href="http://www.qhull.org/news">News</a> for Qhull
+         with new features and reported bugs.
+        <li><a href="http://www.qhull.org">Home</a> for Qhull with additional URLs
+                (<a href=index.htm>local copy</a>)
+                <li><a href="http://www.qhull.org/html/qh-faq.htm">FAQ</a> for Qhull (<a href="qh-faq.htm">local copy</a>)
+                <li><a href="http://www.qhull.org/download">Download</a> Qhull (<a href=qh-get.htm>local copy</a>)
+                <li><a href="qh-quick.htm#programs">Quick</a> reference for Qhull and its <a href="qh-quick.htm#options">options</a>
+      <p>
+        <li><a href="../COPYING.txt">COPYING.txt</a> - copyright notice<br>
+        <li><a href="../REGISTER.txt">REGISTER.txt</a> - registration<br>
+        <li><a href="../README.txt">README.txt</a> - installation
+        instructions<br>
+        <li><a href="../src/Changes.txt">Changes.txt</a> - change history <br>
+        <li><a href="qhull.txt">qhull.txt</a> - Unix manual page
+             </ul>
+        <p>
+    <li><a href="#description">Description</a> of Qhull
+             <ul>
+            <li><a href="#definition">de</a>finition &#149; <a
+                href="#input">in</a>put &#149; <a href="#output">ou</a>tput
+                &#149; <a href="#algorithm">al</a>gorithm &#149; <a
+                href="#structure">da</a>ta structure </li>
+            <li><a href="qh-impre.htm">Imprecision</a> in Qhull</li>
+            <li><a href="qh-impre.htm#joggle">Merged facets</a> or joggled input
+            <li><a href="qh-eg.htm">Examples</a> of Qhull</li>
+        </ul>
+        <p>
+   <li><a href=qh-quick.htm#programs>Qhull programs</a>, with instructions and examples
+        <ul>
+        <li><a href="qconvex.htm">qconvex</a> -- convex hulls
+        <li><a href="qdelaun.htm">qdelaunay</a> -- Delaunay triangulations and
+         furthest-site Delaunay triangulations
+        <li><a href="qhalf.htm">qhalf</a> -- halfspace intersections about a point
+        <li><a href="qhull.htm">qhull</a> -- all structures with additional options
+        <li><a href="qvoronoi.htm">qvoronoi</a> -- Voronoi diagrams and
+          furthest-site Voronoi diagrams
+        <li><a href="rbox.htm">rbox</a> -- generate point distributions for qhull
+        </ul>
+        <p>
+    <li><a href="qh-quick.htm#options">Qhull options</a><ul>
+            <li><a href="qh-opto.htm#output">Output</a> formats</li>
+            <li><a href="qh-optf.htm#format">Additional</a> I/O
+                formats</li>
+            <li><a href="qh-optg.htm#geomview">Geomview</a>
+                output options</li>
+            <li><a href="qh-optp.htm#print">Print</a> options</li>
+            <li><a href="qh-optq.htm#qhull">Qhull</a> control
+                options</li>
+            <li><a href="qh-optc.htm#prec">Precision</a> options</li>
+            <li><a href="qh-optt.htm#trace">Trace</a> options</li>
+        </ul>
+    </li>
+        <p>
+    <li><a href="#geomview">Geomview</a>, Qhull's graphical viewer</li>
+        <ul>
+          <li><a href="#geomview-install">Installing Geomview</a></li>
+          <li><a href="#geomview-use">Using Geomview</a></li>
+          <li><a href="#geomview-win">Building Geomview for Windows</a></li>
+        </ul>
+        <p>
+    <li><a href="qh-code.htm">Qhull internals</a><ul>
+            <li><a href="qh-code.htm#reentrant">Reentrant</a> Qhull</li>
+            <li><a href="qh-code.htm#convert">How to convert</a> code to reentrant Qhull</li>
+            <li><a href="qh-code.htm#64bit">Qhull</a> on 64-bit computers</li>
+            <li><a href="qh-code.htm#cpp">Calling</a> Qhull
+                from C++ programs</li>
+            <li><a href="qh-code.htm#library">Calling</a> Qhull
+                from C programs</li>
+            <li><a href="qh-code.htm#performance">Performance</a>
+                of Qhull</li>
+            <li><a href="qh-code.htm#enhance">Enhancements</a> to
+                Qhull</li>
+            <li><a href="../src/libqhull_r/index.htm">Reentrant</a> Qhull functions, macros, and
+                data structures </li>
+            <li><a href="../src/libqhull/index.htm">Qhull</a> functions, macros, and
+                data structures </li>
+        </ul>
+    </li>
+        <p>
+    <li>Related URLs
+         <ul>
+
+        <li><a href="news:comp.graphics.algorithms">Newsgroup</a>:
+        comp.graphics.algorithms
+        <li><a
+        href="http://www.faqs.org/faqs/graphics/algorithms-faq/">FAQ</a> for computer graphics algorithms and
+                Exaflop's <a href="http://exaflop.org/docs/cgafaq/cga6.html">geometric</a> structures.
+    <li>Amenta's <a href="http://www.geom.uiuc.edu/software/cglist">Directory
+        of Computational Geometry Software </a></li>
+    <li>Erickson's <a
+        href="http://compgeom.cs.uiuc.edu/~jeffe/compgeom/code.html">Computational
+        Geometry Software</a> </li>
+        <li>Fukuda's <a
+                href="http://www.cs.mcgill.ca/~fukuda/soft/polyfaq/polyfaq.html">
+                introduction</a> to convex hulls, Delaunay triangulations,
+                Voronoi diagrams, and linear programming.
+    <li>Stony Brook's <a
+        href="http://www.cs.sunysb.edu/~algorith/major_section/1.6.shtml">Algorithm Repository</a> on computational geometry.
+    </li>
+     </ul>
+        <p>
+    <li><a href="#bugs">What to do</a> if something goes wrong</li>
+    <li><a href="#email">Email</a></li>
+    <li><a href="#authors">Authors</a></li>
+    <li><a href="#ref">References</a></li>
+    <li><a href="#acknowledge">Acknowledgments</a></li>
+</ul>
+<h2><a href="#TOC">&#187;</a><a name="when">When to use Qhull</a></h2>
+<blockquote>
+
+<p>Qhull constructs convex hulls, Delaunay triangulations,
+halfspace intersections about a point, Voronoi diagrams, furthest-site Delaunay
+triangulations, and furthest-site Voronoi diagrams.</p>
+
+<p>For convex hulls and halfspace intersections, Qhull may be used
+for 2-d upto 8-d.  For Voronoi diagrams and Delaunay triangulations, Qhull may be
+used for 2-d upto 7-d.  In higher dimensions, the size of the output
+grows rapidly and Qhull does not work well with virtual memory.
+If <i>n</i> is the size of
+the input and <i>d</i> is the dimension (d>=3), the size of the output
+and execution time
+grows by <i>n^(floor(d/2)</i>
+[see <a href=qh-code.htm#performance>Performance</a>].  For example, do
+not try to build a 16-d convex hull of 1000 points.  It will
+have on the order of 1,000,000,000,000,000,000,000,000 facets.
+
+<p>On a 600 MHz Pentium 3, Qhull computes the 2-d convex hull of
+300,000 cocircular points in 11 seconds.  It computes the
+2-d Delaunay triangulation and 3-d convex hull of 120,000 points
+in 12 seconds.  It computes the
+3-d Delaunay triangulation and 4-d convex hull of 40,000 points
+in 18 seconds.  It computes the
+4-d Delaunay triangulation and 5-d convex hull of 6,000 points
+in 12 seconds.  It computes the
+5-d Delaunay triangulation and 6-d convex hull of 1,000 points
+in 12 seconds.  It computes the
+6-d Delaunay triangulation and 7-d convex hull of 300 points
+in 15 seconds.  It computes the
+7-d Delaunay triangulation and 8-d convex hull of 120 points
+in 15 seconds.  It computes the
+8-d Delaunay triangulation and 9-d convex hull of 70 points
+in 15 seconds.  It computes the
+9-d Delaunay triangulation and 10-d convex hull of 50 points
+in 17 seconds.  The 10-d convex hull of 50 points has about 90,000 facets.
+
+<!-- duplicated in index.htm and html/index.htm -->
+<p>Qhull does <i>not</i> support constrained Delaunay
+triangulations, triangulation of non-convex surfaces, mesh
+generation of non-convex objects, or medium-sized inputs in 9-D
+and higher. </p>
+
+<p>This is a big package with many options. It is one of the
+fastest available. It is the only 3-d code that handles precision
+problems due to floating point arithmetic. For example, it
+implements the identity function for extreme points (see <a
+href="qh-impre.htm">Imprecision in Qhull</a>). </p>
+
+<p>[2016] A newly discovered, bad case for Qhull is multiple, nearly incident points within a 10^-13 ball of 3-d and higher
+Delaunay triangulations (input sites in the unit cube).  Nearly incident points within substantially
+smaller or larger balls are OK.  Error QH6271 is reported if a problem occurs. A future release of Qhull
+will handle this case.  For more information, see "Nearly coincident points on an edge" in <a href="../html/qh-impre.htm#limit">Limitations of merged facets</a>
+
+<p>If you need a short code for convex hull, Delaunay
+triangulation, or Voronoi volumes consider Clarkson's <a
+href="http://www.netlib.org/voronoi/hull.html">hull
+program</a>. If you need 2-d Delaunay triangulations consider
+Shewchuk's <a href="http://www.cs.cmu.edu/~quake/triangle.html">triangle
+program</a>. It is much faster than Qhull and it allows
+constraints. Both programs use exact arithmetic. They are in <a
+href="http://www.netlib.org/voronoi/">http://www.netlib.org/voronoi/</a>.
+
+<p>If your input is in general position (i.e., no coplanar or colinear points),
+<li><a href="https://github.com/tomilov/quickhull/blob/master/include/quickhull.hpp">Tomilov's quickhull.hpp</a> (<a href"http://habrahabr.ru/post/245221/"documentation-ru</a/>)
+or Qhull <a
+href="http://www.qhull.org/download">version
+1.0</a> may meet your needs. Both programs detect precision problems,
+but do not handle them.</p>
+
+<p><a href=http://www.cgal.org>CGAL</a> is a library of efficient and reliable
+geometric algorithms.  It uses C++ templates and the Boost library to produce dimension-specific
+code.  This allows more efficient use of memory than Qhull's general-dimension
+code.  CGAL simulates arbitrary precision while Qhull handles round-off error
+with thick facets.  Compare the two approaches with <a href="http://doc.cgal.org/latest/Manual/devman_robustness.html">Robustness Issues in CGAL</a>,
+and <a href+"qh-impre.htm">Imprecision in Qhull</a>.
+
+
+<p><a href=http://www.algorithmic-solutions.com/enleda.htm>Leda</a> is a
+library for writing computational
+geometry programs and other combinatorial algorithms.  It
+includes routines for computing 3-d convex
+hulls, 2-d Delaunay triangulations, and 3-d Delaunay triangulations.
+It provides rational arithmetic and graphical output.  It runs on most
+platforms.
+
+<p>If your problem is in high dimensions with a few,
+non-simplicial facets, try Fukuda's <a
+href="http://www.cs.mcgill.ca/~fukuda/soft/cdd_home/cdd.html">cdd</a>.
+It is much faster than Qhull for these distributions. </p>
+
+<p>Custom software for 2-d and 3-d convex hulls may be faster
+than Qhull.  Custom software should use less memory.  Qhull uses
+general-dimension data structures and code.   The data structures
+support non-simplicial facets.</p>
+
+<p>Qhull is not suitable for mesh generation or triangulation of
+arbitrary surfaces. You may use Qhull if the surface is convex or
+completely visible from an interior point (e.g., a star-shaped
+polyhedron). First, project each site to a sphere that is
+centered at the interior point. Then, compute the convex hull of
+the projected sites. The facets of the convex hull correspond to
+a triangulation of the surface. For mesh generation of arbitrary
+surfaces, see <a
+href="http://www.robertschneiders.de/meshgeneration/meshgeneration.html">Schneiders'
+Finite Element Mesh Generation</a>.</p>
+
+<p>Qhull is not suitable for constrained Delaunay triangulations.
+With a lot of work, you can write a program that uses Qhull to
+add constraints by adding additional points to the triangulation.</p>
+
+<p>Qhull is not suitable for the subdivision of arbitrary
+objects. Use <tt>qdelaunay</tt> to subdivide a convex object.</p>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="description">Description of
+Qhull </a></h2>
+<blockquote>
+
+<h3><a href="#TOC">&#187;</a><a name="definition">definition</a></h3>
+<blockquote>
+
+<p>The <i>convex hull</i> of a point set <i>P</i> is the smallest
+convex set that contains <i>P</i>. If <i>P</i> is finite, the
+convex hull defines a matrix <i>A</i> and a vector <i>b</i> such
+that for all <i>x</i> in <i>P</i>, <i>Ax+b &lt;= [0,...]</i>. </p>
+
+<p>Qhull computes the convex hull in 2-d, 3-d, 4-d, and higher
+dimensions. Qhull represents a convex hull as a list of facets.
+Each facet has a set of vertices, a set of neighboring facets,
+and a halfspace. A halfspace is defined by a unit normal and an
+offset (i.e., a row of <i>A</i> and an element of <i>b</i>). </p>
+
+<p>Qhull accounts for round-off error. It returns
+&quot;thick&quot; facets defined by two parallel hyperplanes. The
+outer planes contain all input points. The inner planes exclude
+all output vertices. See <a href="qh-impre.htm#imprecise">Imprecise
+convex hulls</a>.</p>
+
+<p>Qhull may be used for the Delaunay triangulation or the
+Voronoi diagram of a set of points. It may be used for the
+intersection of halfspaces. </p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="input">input format</a></h3>
+<blockquote>
+
+<p>The input data on <tt>stdin</tt> consists of:</p>
+
+<ul>
+    <li>first line contains the dimension</li>
+    <li>second line contains the number of input points</li>
+    <li>remaining lines contain point coordinates</li>
+</ul>
+
+<p>For example: </p>
+
+<pre>
+    3  #sample 3-d input
+    5
+    0.4 -0.5 1.0
+    1000 -1e-5 -100
+    0.3 0.2 0.1
+    1.0 1.0 1.0
+    0 0 0
+</pre>
+
+<p>Input may be entered by hand. End the input with a control-D
+(^D) character. </p>
+
+<p>To input data from a file, use I/O redirection or '<a
+href="qh-optt.htm#TI">TI file</a>'.  The filename may not
+include spaces or quotes.</p>
+
+<p>A comment starts with a non-numeric character and continues to
+the end of line. The first comment is reported in summaries and
+statistics. With multiple <tt>qhull</tt> commands, use option '<a
+href="qh-optf.htm#FQ">FQ</a>' to place a comment in the output.</p>
+
+<p>The dimension and number of points can be reversed. Comments
+and line breaks are ignored. Error reporting is better if there
+is one point per line.</p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="option">option format</a></h3>
+<blockquote>
+
+<p>Use options to specify the output formats and control
+Qhull.  The <tt>qhull</tt> program takes all options.  The
+other programs use a subset of the options.  They disallow
+experimental and inappropriate options.
+
+<blockquote>
+<ul>
+<li>
+qconvex == qhull
+<li>
+qdelaunay == qhull d Qbb
+<li>
+qhalf == qhull H
+<li>
+qvoronoi == qhull v Qbb
+</ul>
+</blockquote>
+
+<p>Single letters are used for output formats and precision
+constants. The other options are grouped into menus for formats
+('<a href="qh-optf.htm#format">F</a>'), Geomview ('<a
+href="qh-optg.htm#geomview">G </a>'), printing ('<a
+href="qh-optp.htm#print">P</a>'), Qhull control ('<a
+href="qh-optq.htm#qhull">Q </a>'), and tracing ('<a
+href="qh-optt.htm#trace">T</a>'). The menu options may be listed
+together (e.g., 'GrD3' for 'Gr' and 'GD3'). Options may be in any
+order. Capitalized options take a numeric argument (except for '<a
+href="qh-optp.htm#PG">PG</a>' and '<a href="qh-optf.htm#format">F</a>'
+options). Use option '<a href="qh-optf.htm#FO">FO</a>' to print
+the selected options.</p>
+
+<p>Qhull uses zero-relative indexing. If there are <i>n</i>
+points, the index of the first point is <i>0</i> and the index of
+the last point is <i>n-1</i>.</p>
+
+<p>The default options are:</p>
+
+<ul>
+    <li>summary output ('<a href="qh-opto.htm#s">s</a>') </li>
+    <li>merged facets ('<a href="qh-optc.htm#C0">C-0</a>' in 2-d,
+        3-d, 4-d; '<a href="qh-optq.htm#Qx">Qx</a>' in 5-d and
+        up)</li>
+</ul>
+
+<p>Except for bounding box
+('<a href="qh-optq.htm#Qbk">Qbk:n</a>', etc.), drop facets
+('<a href="qh-optp.htm#Pdk">Pdk:n</a>', etc.), and
+Qhull command ('<a href="qh-optf.htm#FQ">FQ</a>'), only the last
+occurence of an option counts.
+Bounding box and drop facets may be repeated for each dimension.
+Option 'FQ' may be repeated any number of times.
+
+<p>The Unix <tt>tcsh</tt> and <tt>ksh </tt>shells make it easy to
+try out different options. In Windows 95, use a command window with <tt>doskey</tt>
+and a window scroller (e.g., <tt>peruse</tt>). </p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="output">output format</a></h3>
+<blockquote>
+
+<p>To write the results to a file, use I/O redirection or '<a
+href="qh-optt.htm#TO">TO file</a>'. Windows 95 users should use
+'TO file' or the console.  If a filename is surrounded by single quotes,
+it may include spaces.
+</p>
+
+<p>The default output option is a short summary ('<a
+href="qh-opto.htm#s">s</a>') to <tt>stdout</tt>. There are many
+others (see <a href="qh-opto.htm">output</a> and <a
+href="qh-optf.htm">formats</a>). You can list vertex incidences,
+vertices and facets, vertex coordinates, or facet normals. You
+can view Qhull objects with Geomview, Mathematica, or Maple. You can
+print the internal data structures. You can call Qhull from your
+application (see <a href="qh-code.htm#library">Qhull library</a>).</p>
+
+<p>For example, 'qhull <a href="qh-opto.htm#o">o</a>' lists the
+vertices and facets of the convex hull. </p>
+
+<p>Error messages and additional summaries ('<a
+href="qh-opto.htm#s">s</a>') go to <tt>stderr</tt>. Unless
+redirected, <tt>stderr</tt> is the console.</p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="algorithm">algorithm</a></h3>
+<blockquote>
+
+<p>Qhull implements the Quickhull algorithm for convex hull
+[Barber et al. <a href="#bar-dob96">'96</a>]. This algorithm
+combines the 2-d Quickhull algorithm with the <em>n</em>-d
+beneath-beyond algorithm [c.f., Preparata &amp; Shamos <a
+href="#pre-sha85">'85</a>]. It is similar to the randomized
+algorithms of Clarkson and others [Clarkson &amp; Shor <a
+href="#cla-sho89">'89</a>; Clarkson et al. <a href="#cla-meh93">'93</a>;
+Mulmuley <a href="#mulm94">'94</a>]. For a demonstration, see <a
+href="qh-eg.htm#how">How Qhull adds a point</a>. The main
+advantages of Quickhull are output sensitive performance (in
+terms of the number of extreme points), reduced space
+requirements, and floating-point error handling. </p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="structure">data structures</a></h3>
+<blockquote>
+
+<p>Qhull produces the following data structures for dimension <i>d</i>:
+</p>
+
+<ul>
+    <li>A <em>coordinate</em> is a real number in floating point
+        format. </li>
+    <li>A <em>point</em> is an array of <i>d</i> coordinates.
+        With option '<a href="qh-optq.htm#QJn">QJ</a>', the
+        coordinates are joggled by a small amount. </li>
+    <li>A <em>vertex</em> is an input point. </li>
+    <li>A <em>hyperplane</em> is <i>d</i> normal coefficients and
+        an offset. The length of the normal is one. The
+        hyperplane defines a halfspace. If <i>V</i> is a normal, <i>b</i>
+        is an offset, and <i>x</i> is a point inside the convex
+        hull, then <i>Vx+b &lt;0</i>.</li>
+    <li>An <em>outer plane</em> is a positive
+        offset from a hyperplane. When Qhull is done, all points
+        will be below all outer planes.</li>
+    <li>An <em>inner plane</em> is a negative
+        offset from a hyperplane. When Qhull is done, all
+        vertices will be above the corresponding inner planes.</li>
+    <li>An <em>orientation</em> is either 'top' or 'bottom'. It is the
+        topological equivalent of a hyperplane's geometric
+        orientation. </li>
+    <li>A <em>simplicial facet</em> is a set of
+        <i>d</i> neighboring facets, a set of <i>d</i> vertices, a
+        hyperplane equation, an inner plane, an outer plane, and
+        an orientation. For example in 3-d, a simplicial facet is
+        a triangle. </li>
+    <li>A <em>centrum</em> is a point on a facet's hyperplane. A
+        centrum is the average of a facet's vertices. Neighboring
+        facets are <em>convex</em> if each centrum is below the
+        neighbor facet's hyperplane. </li>
+    <li>A <em>ridge</em> is a set of <i>d-1</i> vertices, two
+        neighboring facets, and an orientation. For example in
+        3-d, a ridge is a line segment. </li>
+    <li>A <em>non-simplicial facet</em> is a set of ridges, a
+        hyperplane equation, a centrum, an outer plane, and an
+        inner plane. The ridges determine a set of neighboring
+        facets, a set of vertices, and an orientation. Qhull
+        produces a non-simplicial facet when it merges two facets
+        together. For example, a cube has six non-simplicial
+        facets. </li>
+</ul>
+
+<p>For examples, use option '<a href="qh-opto.htm#f">f</a>'. See <a
+href="../src/libqhull/qh-poly.htm">polyhedron operations</a> for further
+design documentation. </p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a>Imprecision in Qhull</h3>
+<blockquote>
+
+<p>See <a href="qh-impre.htm">Imprecision in Qhull</a> and <a href="qh-impre.htm#joggle">Merged facets or joggled input</a></p>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a>Examples of Qhull</h3>
+<blockquote>
+
+<p>See <a href="qh-eg.htm">Examples of Qhull</a>.  Most of these examples require <a href="#geomview">Geomview</a>.
+Some of the examples have <a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/welcome.html">pictures
+</a>.</p>
+
+</blockquote>
+</blockquote>
+<h2><a href="#TOC">&#187;</a>Options for using Qhull </h2>
+<blockquote>
+
+<p>See <a href="qh-quick.htm#options">Options</a>.</p>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a>Qhull internals </h2>
+<blockquote>
+
+<p>See <a href="qh-code.htm">Internals</a>.</p>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="geomview">Geomview, Qhull's
+graphical viewer</a></h2>
+<blockquote>
+
+<p><a href="http://www.geomview.org">Geomview</a>
+is an interactive geometry viewing program.
+Geomview provides a good visualization of Qhull's 2-d and 3-d results.
+
+<p>Qhull includes <a href="qh-eg.htm">Examples of Qhull</a> that may be viewed with Geomview.
+
+<p>Geomview can help visulalize a 3-d Delaunay triangulation or the surface of a 4-d convex hull,
+Use option '<a href="qh-optq.htm#QVn">QVn</a>' to select the 3-D facets adjacent to a vertex.
+
+<p>You may use Geomview to create movies that animate your objects (c.f., <a href="http://www.geomview.org/FAQ/answers.shtml#mpeg">How can I create a video animation?</a>).
+Geomview helped create the <a href="http://www.geom.uiuc.edu/video/">mathematical videos</a> "Not Knot", "Outside In", and "The Shape of Space" from the Geometry Center.
+
+
+<h3><a href="#TOC">&#187;</a><a name="geomview-install">Installing Geomview</a></h3>
+<blockquote>
+
+<p>Geomview is an <a href=http://sourceforge.net/projects/geomview>open source project</a>
+under SourceForge.
+
+<p>
+For build instructions see
+<a href="http://www.geomview.org/download/">Downloading Geomview</a>.
+Geomview builds under Linux, Unix, Macintosh OS X, and Windows.
+
+<p>Geomview has <a href="https://packages.debian.org/search?keywords=geomview">installable packages</a> for Debian and Ubuntu.
+The OS X build needs Xcode, an X11 SDK, and Lesstif or Motif.
+The Windows build uses Cygwin (see <a href="#geomview-win">Building Geomview</a> below for instructions).
+
+<p>If using Xforms (e.g., for Geomview's <a href="http://www.geomview.org/docs/html/Modules.html">External Modules</a>), install the 'libXpm-devel' package from cygwin and move the xforms directory into your geomview directory, e.g.,<br><tt>mv xforms-1.2.4 geomview-1.9.5/xforms</tt>
+
+<p>Geomview's <a href="http://www.geom.uiuc.edu/software/geomview/docs/NDview/manpagehelp.html">ndview<a/> provides multiple views into 4-d and higher objects.
+This module is out-of-date (<a href="http://sourceforge.net/p/geomview/mailman/message/2004152/">geomview-users: 4dview</a>).
+Download NDview-sgi.tar.Z at <a href="ftp://www.geom.uiuc.edu/pub/software/geomview/newpieces/sgi">newpieces</a> and 4dview at <a href="https://stuff.mit.edu/afs/sipb/project/3d/arch/sgi_62/lib/Geomview/modules/">Geomview/modules</a>.
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="geomview-use">Using Geomview</a></h3>
+<blockquote>
+
+<p>Use Geomview to view <a href="qh-eg.htm">Examples of Qhull</a>.   You can spin the convex hull, fly a camera through its facets,
+and see how Qhull produces thick facets in response to round-off error.
+
+<p>Follow these instructions to view 'eg,01.cube' from Examples of Qhull
+<ol>
+<li>Launch an XTerm command shell
+<ul>
+<li>If needed, start the X terminal server, Use 'xinit' or 'startx' in /usr/X11R6/bin<br><tt>xinit -- -multiwindow -clipboard</tt><br><tt>startx</tt>
+<li>Start an XTerm command shell.  In Windows, click the Cygwin/bash icon on your desktop.
+<li>Set the DISPLAY variable, e.g.,<br><tt>export DISPLAY=:0</tt><br><tt>export DISPLAY=:0 >>~/.bashenv</tt>
+</ul>
+<li>Use Qhull's <a href="qh-optg.htm">Geomview options</a> to create a geomview object
+<ul>
+<li><tt>rbox c D3 | qconvex G >eg.01.cube</tt>
+<li>On windows, convert the output to Unix text format with 'd2u'<br><tt>rbox c D3 | qconvex G | d2u >eg.01.cube</tt><br><tt>d2u eg.*</tt>
+</ul>
+<li>Run Geomview
+<ul>
+<li>Start Geomview with your example<br><tt>./geomview eg.01.cube</tt>
+<li>Follow the instructions in <a href="http://www.geomview.org/docs/html/Tutorial.html">Gemoview Tutorial</a>
+<li>Geomview creates the <i>Geomview control panel</i> with Targets and External Module, the <i>Geomview toolbar</i> with buttons for controlling Geomview, and the <i>Geomview camera window</i> showing a cube.
+<li>Clear the camera window by selecting your object in the Targets list and 'Edit > Delete' or 'dd'
+<li>Load the <i>Geomview files panel</i>.  Select 'Open' in the 'File' menu.
+<li>Set 'Filter' in the files panel to your example directory followed by '/*' (e.g., '/usr/local/qhull-2015.2/eg/*')
+<li>Click 'Filter' in the files panel to view your examples in the 'Files' list.
+<li>Load another example into the camera window by selecting it and clicking 'OK'.
+<li>Review the instructions for <a href="http://www.geomview.org/docs/html/Interaction.html">Interacting with Geomview</a>
+<li>When viewing multiple objects at once, you may want to turn off normalization.  In the 'Inspect > Apperance' control panel, set 'Normalize' to 'None'.
+</ul>
+</ol>
+
+<p>Geomview defines GCL (a textual API for controlling Geomview) and OOGL (a textual file format for defining objects).
+<ul>
+<li>To control Geomview, you may use any program that reads and writes from stdin and stdout.  For example, it could report Qhull's information about a vertex identified by a double-click 'pick' event.
+<li><a href="http://www.geomview.org/docs/html/GCL.html">GCL</a> command language for controlling Geomview
+<li><a href="http://www.geomview.org/docs/html/OOGL-File-Formats.html">OOGL</a> file format for defining objects (<a href="http://www.geomview.org/docs/oogltour.html">tutorial</a>).
+<li><a href="http://www.geomview.org/docs/html/Modules.html">External Modules</a> for interacting with Geomview via GCL
+<li>Interact with your objects via <a href="http://www.geomview.org/docs/html/pick.html">pick</a> commands in response to right-mouse double clicks.  Enable pick events with the <a href="http://www.geomview.org/docs/html/interest.html">interest</a> command.
+</ul>
+
+</blockquote>
+<h3><a href="#TOC">&#187;</a><a name="geomview-win">Building Geomview for Windows</a></h3>
+<blockquote>
+
+<p>Compile Geomview under Cygwin.  For detailed instructions, see
+<a href="http://www.ee.surrey.ac.uk/Personal/L.Wood/software/SaVi/building-under-Windows/"
+>Building Savi and Geomview under Windows</a>.  These instructions are somewhat out-of-date.  Updated
+instructions follow.
+
+<p>How to compile Geomview under 32-bit Cygwin (October 2015)</p>
+<ol>
+<li><b>Note:</b> L. Wood has run into multiple issues with Geomview on Cygwin.  He recommends Virtualbox/Ubuntu
+and a one-click install of geomview via the Ubuntu package.  See his Savi/Geomview link above.
+<li>Install 32-bit <a href="http://cygwin.com/">Cygwin</a> as follows.
+For additional guidance, see Cygwin's <a href="https://cygwin.com/install.html">Installing and Updating Cygwin Packages</a>
+and <a href="http://www.qhull.org/road/road-faq/xml/cmdline.xml#setup-cygwin">Setup cygwin</a>.
+<ul>
+<li>Launch the cygwin installer.
+<li>Select a mirror from <a href="http://cygwin.com/mirrors.html">Cygwin mirrors</a> (e.g., http://mirrors.kernel.org/sourceware/cygwin/ in California).
+<li>Select the packages to install.  Besides the cygwin packages listed in the Savi/Windows instructions consider adding
+<ul>
+<li><b>Default</b> -- libXm-devel (required for /usr/include/Xm/Xm.h)
+<li><b>Devel</b> -- bashdb, gcc-core (in place of gcc), gdb
+<li><b>Lib</b> -- libGL-devel, libGLU1 (required, obsolete), libGLU-devel (required, obsolete), libjpeg-devel(XForms), libXext-devel (required), libXpm-devel (Xforms)
+libGL and lib
+<li><b>Math</b> -- bc
+<li><b>Net</b> -- autossh, inetutils, openssh
+<li><b>System</b> -- chere
+<li><b>Utils</b> -- dos2unix (required for qhull), keychain
+<li>If installing perl, ActiveState Perl may be a better choice than cygwin's perl.  Perl is not used by Geomview or Qhull.
+<li><a href="https://cygwin.com/cgi-bin2/package-grep.cgi">Cygwin Package Search</a> -- Search for cygwin programs and packages
+</ul>
+<li>Click 'Next' to download and install the packages.
+<li>If the download is incomplete, try again.
+<li>If you try again after a successful install, cygwin will uninstall and reinstall all modules..
+<li>Click on the 'Cywin Terminal' icon on the Desktop.  It sets up a user directory in /home from /etc/skel/...
+<li>Mount your disk drives<br>mount c: /c # Ignore the warning /c does not exist
+</ul>
+<li>Consider installing the <a href="http://www.qhull.org/bash/doc/road-bash.html">Road Bash</a> scripts (/etc/road-*) from <a href="http://www.qhull.org/road/">Road</a>.
+They define aliases and functions for Unix command shells (Unix, Linux, Mac OS X, Windows),
+<ul>
+<li>Download Road Bash and unzip the downloaded file
+<li>Copy .../bash/etc/road-* to the Cywin /etc directory (by default, C:\cygwin\etc).
+<li>Using the cygwin terminal, convert the road scripts to Unix format<br>d2u /etc/road-*
+<li>Try it<br>source /etc/road-home.bashrc
+<li>Install it<br>cp /etc/road-home.bashrc ~/.bashrc
+</ul>
+<li>Launch the X terminal server from '<tt>Start > All programs > Cygwin-X > Xwin Server</tt>'.  Alternatively, run 'startx'
+<li>Launch an XTerm shell
+<ul>
+<li>Right click the Cywin icon on the system tray in the Windows taskbar.
+<li>Select '<tt>System Tools > XTerm</tt>'
+</ul>
+<li>Download and extract Geomview -- <a href="http://www.geomview.org/download/">Downloading Geomview</a>
+<li>Compile Geomview
+<ul>
+<li>./configure
+<li>make
+</ul>
+<li>If './configure' fails, check 'config.log' at the failing step.  Look carefully for missing libraries, etc.  The <a href="http://www.geomview.org/FAQ/answers.shtml">Geomview FAQ</a> contains suggestions (e.g., "configure claims it can't find OpenGl").
+<li>If 'make' fails, read the output carefully for error messages.  Usually it is a missing include file or package.  Locate and install the missing cygwin packages
+(<a href="https://cygwin.com/cgi-bin2/package-grep.cgi">Cygwin Package Search</a>).
+</ol>
+
+</blockquote>
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="bugs">What to do if something
+goes wrong</a></h2>
+<blockquote>
+
+<p>Please report bugs to <a href=mailto:qhull_bug@qhull.org>qhull_bug@qhull.org</a>
+</a>. Please report if Qhull crashes. Please report if Qhull
+generates an &quot;internal error&quot;. Please report if Qhull
+produces a poor approximate hull in 2-d, 3-d or 4-d. Please
+report documentation errors. Please report missing or incorrect
+links.</p>
+
+<p>If you do not understand something, try a small example. The <a
+href="rbox.htm">rbox</a> program is an easy way to generate
+test cases. The <a href="#geomview">Geomview</a> program helps to
+visualize the output from Qhull.</p>
+
+<p>If Qhull does not compile, it is due to an incompatibility
+between your system and ours. The first thing to check is that
+your compiler is ANSI standard. Qhull produces a compiler error
+if __STDC__ is not defined. You may need to set a flag (e.g.,
+'-A' or '-ansi').</p>
+
+<p>If Qhull compiles but crashes on the test case (rbox D4),
+there's still incompatibility between your system and ours.
+Sometimes it is due to memory management. This can be turned off
+with qh_NOmem in mem.h. Please let us know if you figure out how
+to fix these problems. </p>
+
+<p>If you doubt the output from Qhull, add option '<a
+href="qh-optt.htm#Tv">Tv</a>'. It checks that every point is
+inside the outer planes of the convex hull. It checks that every
+facet is convex with its neighbors. It checks the topology of the
+convex hull.</p>
+
+<p>Qhull should work on all inputs. It may report precision
+errors if you turn off merged facets with option '<a
+href="qh-optq.htm#Q0">Q0</a>'. This can get as bad as facets with
+flipped orientation or two facets with the same vertices. You'll
+get a long help message if you run into such a case. They are
+easy to generate with <tt>rbox</tt>.</p>
+
+<p>If you do find a problem, try to simplify it before reporting
+the error. Try different size inputs to locate the smallest one
+that causes an error. You're welcome to hunt through the code
+using the execution trace ('<a href="qh-optt.htm#Tn">T4</a>') as
+a guide. This is especially true if you're incorporating Qhull
+into your own program. </p>
+
+<p>When you report an error, please attach a data set to the end
+of your message. Include the options that you used with Qhull,
+the results of option '<a href="qh-optf.htm#FO">FO</a>', and any
+messages generated by Qhull. This allows me to see the error for
+myself. Qhull is maintained part-time. </p>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="email">Email</a></h2>
+<blockquote>
+
+<p>Please send correspondence to Brad Barber at <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+and report bugs to <a href=mailto:qhull_bug@qhull.org>qhull_bug@qhull.org</a>
+</a>. Let me know how you use Qhull. If you mention it in a
+paper, please send a reference and abstract.</p>
+
+<p>If you would like to get Qhull announcements (e.g., a new
+version) and news (any bugs that get fixed, etc.), let us know
+and we will add you to our mailing list. For Internet news about geometric algorithms
+and convex hulls, look at comp.graphics.algorithms and
+sci.math.num-analysis. For Qhull news look at <a
+href="http://www.qhull.org/news">qhull-news.html</a>.</p>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="authors">Authors</a></h2>
+<blockquote>
+
+<pre>
+   C. Bradford Barber                    Hannu Huhdanpaa
+   bradb@shore.net                       hannu@qhull.org
+</pre>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="acknowledge">Acknowledgments</a></h2>
+<blockquote>
+
+<p>A special thanks to David Dobkin for his guidance. A special
+thanks to Albert Marden, Victor Milenkovic, the Geometry Center,
+and Harvard University for supporting this work.</p>
+
+<p>A special thanks to Mark Phillips, Robert Miner, and Stuart Levy for running the Geometry
+ Center web site long after the Geometry Center closed.
+ Stuart moved the web site to the University of Illinois at Champaign-Urbana.
+Mark and Robert are founders of <a href=http://www.geomtech.com>Geometry Technologies</a>.
+Mark, Stuart, and Tamara Munzner are the original authors of <a href=http://www.geomview.org>Geomview</a>.
+
+<p>A special thanks to <a href="http://www.endocardial.com/">Endocardial
+Solutions, Inc.</a> of St. Paul, Minnesota for their support of the
+internal documentation (<a href=../src/libqhull/index.htm>src/libqhull/index.htm</a>). They use Qhull to build 3-d models of
+heart chambers.</p>
+
+<p>Qhull 1.0 and 2.0 were developed under National Science Foundation
+grants NSF/DMS-8920161 and NSF-CCR-91-15793 750-7504. If you find
+it useful, please let us know.</p>
+
+<p>The Geometry Center was supported by grant DMS-8920161 from the
+National Science Foundation, by grant DOE/DE-FG02-92ER25137 from
+the Department of Energy, by the University of Minnesota, and by
+Minnesota Technology, Inc.</p>
+
+</blockquote>
+<h2><a href="#TOC">&#187;</a><a name="ref">References</a></h2>
+<blockquote>
+
+<p><a name="aure91">Aurenhammer</a>, F., &quot;Voronoi diagrams
+-- A survey of a fundamental geometric data structure,&quot; <i>ACM
+Computing Surveys</i>, 1991, 23:345-405. </p>
+
+<p><a name="bar-dob96">Barber</a>, C. B., D.P. Dobkin, and H.T.
+Huhdanpaa, &quot;The Quickhull Algorithm for Convex Hulls,&quot; <i>ACM
+Transactions on Mathematical Software</i>, 22(4):469-483, Dec 1996, www.qhull.org
+[<a
+href="http://portal.acm.org/citation.cfm?doid=235815.235821">http://portal.acm.org</a>;
+<a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.117.405">http://citeseerx.ist.psu.edu</a>].
+</p>
+
+<p><a name="cla-sho89">Clarkson</a>, K.L. and P.W. Shor,
+&quot;Applications of random sampling in computational geometry,
+II&quot;, <i>Discrete Computational Geometry</i>, 4:387-421, 1989</p>
+
+<p><a name="cla-meh93">Clarkson</a>, K.L., K. Mehlhorn, and R.
+Seidel, &quot;Four results on randomized incremental
+construction,&quot; <em>Computational Geometry: Theory and
+Applications</em>, vol. 3, p. 185-211, 1993.</p>
+
+<p><a name="devi01">Devillers</a>, et. al.,
+"Walking in a triangulation," <i>ACM Symposium on
+Computational Geometry</i>, June 3-5,2001, Medford MA.
+
+<p><a name="dob-kir90">Dobkin</a>, D.P. and D.G. Kirkpatrick,
+&quot;Determining the separation of preprocessed polyhedra--a
+unified approach,&quot; in <i>Proc. 17th Inter. Colloq. Automata
+Lang. Program.</i>, in <i>Lecture Notes in Computer Science</i>,
+Springer-Verlag, 443:400-413, 1990. </p>
+
+<p><a name="edel01">Edelsbrunner</a>, H, <i>Geometry and Topology for Mesh Generation</i>,
+Cambridge University Press, 2001.
+
+<p><a name=gart99>Gartner, B.</a>, "Fast and robust smallest enclosing balls", <i>Algorithms - ESA '99</i>, LNCS 1643.
+
+<p><a name=golub83>Golub, G.H. and van Loan, C.F.</a>, <i>Matric Computations</i>, Baltimore, Maryland, USA: John Hopkins Press, 1983
+
+<p><a name="fort93">Fortune, S.</a>, &quot;Computational
+geometry,&quot; in R. Martin, editor, <i>Directions in Geometric
+Computation</i>, Information Geometers, 47 Stockers Avenue,
+Winchester, SO22 5LB, UK, ISBN 1-874728-02-X, 1993.</p>
+
+<p><a name="mile93">Milenkovic, V.</a>, &quot;Robust polygon
+modeling,&quot; Computer-Aided Design, vol. 25, p. 546-566,
+September 1993. </p>
+
+<p><a name="muck96">Mucke</a>, E.P., I. Saias, B. Zhu, <i>Fast
+randomized point location without preprocessing in Two- and
+Three-dimensional Delaunay Triangulations</i>, ACM Symposium on
+Computational Geometry, p. 274-283, 1996 [<a
+href="http://www.geom.uiuc.edu/software/cglist/GeomDir/">GeomDir</a>].
+</p>
+
+<p><a name="mulm94">Mulmuley</a>, K., <i>Computational Geometry,
+An Introduction Through Randomized Algorithms</i>, Prentice-Hall,
+NJ, 1994.</p>
+
+<p><a name="orou94">O'Rourke</a>, J., <i>Computational Geometry
+in C</i>, Cambridge University Press, 1994.</p>
+
+<p><a name="pre-sha85">Preparata</a>, F. and M. Shamos, <i>Computational
+Geometry</i>, Springer-Verlag, New York, 1985.</p>
+
+</blockquote>
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a
+href="http://www.qhull.org">Home page</a> for Qhull<br>
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+<b>To:</b> <a href="#TOC">Qhull manual</a>: Table of Contents<br>
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+<b>Dn:</b> <a href="qh-impre.htm">Imprecision in Qhull</a><br>
+<b>Dn:</b> <a href="qh-eg.htm">Description of Qhull examples</a><br>
+<b>Dn:</b> <a href="qh-code.htm">Qhull internals</a><br>
+<b>Dn:</b> <a href="../src/libqhull/index.htm">Qhull functions, macros, and data
+structures</a>
+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
+</body>
+</html>
--- a/src/qhull/html/normal_voronoi_knauss_oesterle.jpg
+++ b/src/qhull/html/normal_voronoi_knauss_oesterle.jpg
--- a/src/qhull/html/qconvex.htm
+++ b/src/qhull/html/qconvex.htm
@@ -0,0 +1,630 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>qconvex -- convex hull</title>
+</head>
+
+<body>
+<!-- Navigation links -->
+<a name="TOP"><b>Up</b></a><b>:</b>
+<a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a> -- Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To:</b> <a href="#synopsis">sy</a>nopsis
+&#149; <a href="#input">in</a>put &#149; <a href="#outputs">ou</a>tputs
+&#149; <a href="#controls">co</a>ntrols &#149; <a href="#graphics">gr</a>aphics
+&#149; <a href="#notes">no</a>tes &#149; <a href="#conventions">co</a>nventions
+&#149; <a href="#options">op</a>tions
+<hr>
+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/cone.html"><img
+src="qh--cone.gif" alt="[cone]" align="middle" width="100"
+height="100"></a>qconvex -- convex hull</h1>
+
+<p>The convex hull of a set of points is the smallest convex set
+containing the points. See the detailed introduction by O'Rourke
+[<a href="index.htm#orou94">'94</a>]. See <a
+href="index.htm#description">Description of Qhull</a> and <a
+href="qh-eg.htm#how">How Qhull adds a point</a>.</p>
+
+<blockquote>
+<dl>
+    <dt><b>Example:</b> rbox 10 D3 | qconvex <a
+        href="qh-opto.htm#s">s</a> <a href="qh-opto.htm#o">o</a> <a
+        href="qh-optt.htm#TO">TO result</a></dt>
+    <dd>Compute the 3-d convex hull of 10 random points. Write a
+        summary to the console and the points and facets to
+        'result'.</dd>
+
+        <dt>&nbsp;</dt>
+            <dt><b>Example:</b> rbox c | qconvex <a
+                href="qh-opto.htm#n">n</a></dt>
+            <dd>Print the normals for each facet of a cube.</dd>
+            <dt>&nbsp;</dt>
+            <dt><b>Example:</b> rbox c | qconvex <a
+                href="qh-opto.htm#i">i</a> <a href="qh-optq.htm#Qt">Qt</a></dt>
+            <dd>Print the triangulated facets of a cube.</dd>
+            <dt>&nbsp;</dt>
+            <dt><b>Example:</b> rbox y 500 W0 | qconvex</dt>
+            <dd>Compute the convex hull of a simplex with 500
+                points on its surface.</dd>
+            <dt>&nbsp;</dt>
+            <dt><b>Example:</b> rbox x W1e-12 1000 | qconvex
+            <a href="qh-optq.htm#QR">QR0</a></dt>
+        <dd>Compute the convex hull of 1000 points near the
+                    surface of a randomly rotated simplex.  Report
+                        the maximum thickness of a facet.</dd>
+            <dt>&nbsp;</dt>
+       <dt><b>Example:</b> rbox 1000 s | qconvex <a
+            href="qh-opto.htm#s">s</a> <a
+            href="qh-optf.htm#FA">FA</a> </dt>
+        <dd>Compute the convex hull of 1000 cospherical
+            points. Verify the results and print a summary
+            with the total area and volume.</dd>
+        <dt>&nbsp;</dt>
+            <dt><b>Example:</b> rbox d D12 | qconvex <a
+                href="qh-optq.htm#QRn">QR0</a> <a
+                href="qh-optf.htm#FA">FA</a></dt>
+            <dd>Compute the convex hull of a 12-d diamond.
+                Randomly rotate the input. Note the large number
+                of facets and the small volume.</dd>
+            <dt>&nbsp;</dt>
+            <dt><b>Example:</b> rbox c D7 | qconvex <a
+                href="qh-optf.htm#FA">FA</a> <a
+                href="qh-optt.htm#TFn">TF1000</a></dt>
+            <dd>Compute the convex hull of the 7-d hypercube.
+                Report on progress every 1000 facets. Computing
+                the convex hull of the 9-d hypercube takes too
+                much time and space. </dd>
+            <dt>&nbsp;</dt>
+        <dt><b>Example:</b> rbox c d D2 | qconvex <a
+            href="qh-optq.htm#Qc">Qc</a> <a
+            href="qh-opto.htm#s">s</a> <a
+            href="qh-opto.htm#f">f</a> <a
+            href="qh-optf.htm#Fx">Fx</a> | more</dt>
+        <dd>Dump all fields of all facets for a square and a
+            diamond. Also print a summary and a list of
+            vertices. Note the coplanar points.</dd>
+        <dt>&nbsp;</dt>
+</dl>
+</blockquote>
+
+<p>Except for rbox, all of the qhull programs compute a convex hull.
+
+<p>By default, Qhull merges coplanar facets.  For example, the convex
+hull of a cube's vertices has six facets.
+
+<p>If you use '<a href="qh-optq.htm#Qt">Qt</a>' (triangulated output),
+all facets will be simplicial (e.g., triangles in 2-d).  For the cube
+example, it will have 12 facets.  Some facets may be
+degenerate and have zero area.
+
+<p>If you use '<a href="qh-optq.htm#QJn">QJ</a>' (joggled input),
+all facets will be simplicial.  The corresponding vertices will be
+slightly perturbed and identical points will be joggled apart.
+Joggled input is less accurate that triangulated
+output.See <a
+href="qh-impre.htm#joggle">Merged facets or joggled input</a>. </p>
+
+<p>The output for 4-d convex hulls may be confusing if the convex
+hull contains non-simplicial facets (e.g., a hypercube). See
+<a href=qh-faq.htm#extra>Why
+are there extra points in a 4-d or higher convex hull?</a><br>
+</p>
+</p>
+
+<p>The 'qconvex' program is equivalent to
+'<a href=qhull.htm#outputs>qhull</a>' in 2-d to 4-d, and
+'<a href=qhull.htm#outputs>qhull</a> <a href=qh-optq.htm#Qx>Qx</a>'
+in 5-d and higher.  It disables the following Qhull
+<a href=qh-quick.htm#options>options</a>: <i>d v H Qbb Qf Qg Qm
+Qr Qu Qv Qx Qz TR E V Fp Gt Q0,etc</i>.
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<h3><a href="#TOP">&#187;</a><a name="synopsis">qconvex synopsis</a></h3>
+<pre>
+qconvex- compute the convex hull.
+    input (stdin): dimension, number of points, point coordinates
+    comments start with a non-numeric character
+
+options (qconvex.htm):
+    Qt   - triangulated output
+    QJ   - joggle input instead of merging facets
+    Tv   - verify result: structure, convexity, and point inclusion
+    .    - concise list of all options
+    -    - one-line description of all options
+
+output options (subset):
+    s    - summary of results (default)
+    i    - vertices incident to each facet
+    n    - normals with offsets
+    p    - vertex coordinates (includes coplanar points if 'Qc')
+    Fx   - extreme points (convex hull vertices)
+    FA   - compute total area and volume
+    o    - OFF format (dim, n, points, facets)
+    G    - Geomview output (2-d, 3-d, and 4-d)
+    m    - Mathematica output (2-d and 3-d)
+    QVn  - print facets that include point n, -n if not
+    TO file- output results to file, may be enclosed in single quotes
+
+examples:
+    rbox c D2 | qconvex s n                    rbox c D2 | qconvex i
+    rbox c D2 | qconvex o                      rbox 1000 s | qconvex s Tv FA
+    rbox c d D2 | qconvex s Qc Fx              rbox y 1000 W0 | qconvex s n
+    rbox y 1000 W0 | qconvex s QJ              rbox d G1 D12 | qconvex QR0 FA Pp
+    rbox c D7 | qconvex FA TF1000
+</pre>
+
+<h3><a href="#TOP">&#187;</a><a name="input">qconvex
+input</a></h3>
+<blockquote>
+
+<p>The input data on <tt>stdin</tt> consists of:</p>
+<ul>
+    <li>dimension
+    <li>number of points</li>
+    <li>point coordinates</li>
+</ul>
+
+<p>Use I/O redirection (e.g., qconvex &lt; data.txt), a pipe (e.g., rbox 10 | qconvex),
+or the '<a href=qh-optt.htm#TI>TI</a>' option (e.g., qconvex TI data.txt).
+
+<p>Comments start with a non-numeric character.  Error reporting is
+simpler if there is one point per line.  Dimension
+and number of points may be reversed.
+
+<p>Here is the input for computing the convex
+hull of the unit cube.  The output is the normals, one
+per facet.</p>
+
+<blockquote>
+    <p>rbox c &gt; data </p>
+    <pre>
+3 RBOX c
+8
+  -0.5   -0.5   -0.5
+  -0.5   -0.5    0.5
+  -0.5    0.5   -0.5
+  -0.5    0.5    0.5
+   0.5   -0.5   -0.5
+   0.5   -0.5    0.5
+   0.5    0.5   -0.5
+   0.5    0.5    0.5
+</pre>
+    <p>qconvex s n &lt; data</p>
+    <pre>
+
+Convex hull of 8 points in 3-d:
+
+  Number of vertices: 8
+  Number of facets: 6
+  Number of non-simplicial facets: 6
+
+Statistics for: RBOX c | QCONVEX s n
+
+  Number of points processed: 8
+  Number of hyperplanes created: 11
+  Number of distance tests for qhull: 35
+  Number of merged facets: 6
+  Number of distance tests for merging: 84
+  CPU seconds to compute hull (after input): 0.081
+
+4
+6
+     0      0     -1   -0.5
+     0     -1      0   -0.5
+     1      0      0   -0.5
+    -1      0      0   -0.5
+     0      1      0   -0.5
+     0      0      1   -0.5
+</pre>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="outputs">qconvex outputs</a></h3>
+<blockquote>
+
+<p>These options control the output of qconvex. They may be used
+individually or together.</p>
+<blockquote>
+<dl compact>
+    <dt>&nbsp;</dt>
+    <dd><b>Vertices</b></dd>
+    <dt><a href="qh-optf.htm#Fx">Fx</a></dt>
+    <dd>list extreme points (i.e., vertices).  The first line is the number of
+        extreme points.  Each point is listed, one per line.  The cube example
+        has eight vertices.</dd>
+    <dt><a href="qh-optf.htm#Fv">Fv</a></dt>
+    <dd>list vertices for each facet.  The first line is the number of facets.
+        Each remaining line starts with the number of vertices.  For the cube example,
+        each facet has four vertices.</dd>
+    <dt><a href="qh-opto.htm#i">i</a></dt>
+    <dd>list vertices for each facet.  The first line is the number of facets.  The
+        remaining lines list the vertices for each facet.  In 4-d and
+        higher, triangulate non-simplicial facets by adding an extra point.</dd>
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Coordinates</b></dd>
+    <dt><a href="qh-opto.htm#o">o</a></dt>
+    <dd>print vertices and facets of the convex hull in OFF format.  The
+           first line is the dimension.  The second line is the number of
+           vertices, facets, and ridges.  The vertex
+           coordinates are next, followed by the facets.  Each facet starts with
+           the number of vertices.  The cube example has four vertices per facet.</dd>
+    <dt><a href="qh-optf.htm#Ft">Ft</a></dt>
+    <dd>print a triangulation of the convex hull in OFF format.  The first line
+        is the dimension.  The second line is the number of vertices and added points,
+        followed by the number of facets and the number of ridges.
+    The vertex coordinates are next, followed by the centrum coordinates.  There is
+        one centrum for each non-simplicial facet.
+        The cube example has six centrums, one per square.
+    Each facet starts with the number of vertices or centrums.
+        In the cube example, each facet uses two vertices and one centrum.</dd>
+    <dt><a href="qh-opto.htm#p">p</a></dt>
+    <dd>print vertex coordinates.  The first line is the dimension and the second
+        line is the number of vertices.  The following lines are the coordinates of each
+        vertex.  The cube example has eight vertices.</dd>
+    <dt><a href="qh-optq.htm#Qc">Qc</a> <a href="qh-opto.htm#p">p</a></dt>
+    <dd>print coordinates of vertices and coplanar points.  The first line is the dimension.
+        The second line is the number of vertices and coplanar points.  The coordinates
+        are next, one line per point.  Use '<a href="qh-optq.htm#Qc">Qc</a> <a href="qh-optq.htm#Qi">Qi</a> p'
+        to print the coordinates of all points.</dd>
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Facets</b></dd>
+    <dt><a href="qh-optf.htm#Fn">Fn</a></dt>
+    <dd>list neighboring facets for each facet.  The first line is the
+        number of facets.  Each remaining line starts with the number of
+        neighboring facets.  The cube example has four neighbors per facet.</dd>
+    <dt><a href="qh-optf.htm#FN">FN</a></dt>
+    <dd>list neighboring facets for each point.  The first line is the
+        total number of points.  Each remaining line starts with the number of
+        neighboring facets.  Each vertex of the cube example has three neighboring
+        facets.  Use '<a href="qh-optq.htm#Qc">Qc</a> <a href="qh-optq.htm#Qi">Qi</a> FN'
+        to include coplanar and interior points. </dd>
+    <dt><a href="qh-optf.htm#Fa">Fa</a></dt>
+    <dd>print area for each facet.  The first line is the number of facets.
+        Facet area follows, one line per facet.  For the cube example, each facet has area one.</dd>
+    <dt><a href="qh-optf.htm#FI">FI</a></dt>
+    <dd>list facet IDs.  The first line is the number of
+        facets.  The IDs follow, one per line.</dd>
+
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Coplanar and interior points</b></dd>
+    <dt><a href="qh-optf.htm#Fc">Fc</a></dt>
+    <dd>list coplanar points for each facet.  The first line is the number
+        of facets.  The remaining lines start with the number of coplanar points.
+        A coplanar point is assigned to one facet.</dd>
+    <dt><a href="qh-optq.htm#Qi">Qi</a> <a href="qh-optf.htm#Fc">Fc</a></dt>
+    <dd>list interior points for each facet.  The first line is the number
+        of facets.  The remaining lines start with the number of interior points.
+        A coplanar point is assigned to one facet.</dd>
+    <dt><a href="qh-optf.htm#FP">FP</a></dt>
+    <dd>print distance to nearest vertex for coplanar points.  The first line is the
+        number of coplanar points.  Each remaining line starts with the point ID of
+        a vertex, followed by the point ID of a coplanar point, its facet, and distance.
+        Use '<a href="qh-optq.htm#Qc">Qc</a> <a href="qh-optq.htm#Qi">Qi</a>
+        <a href="qh-optf.htm#FP">FP</a>' for coplanar and interior points.</dd>
+
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Hyperplanes</b></dd>
+    <dt><a href="qh-opto.htm#n">n</a></dt>
+    <dd>print hyperplane for each facet.  The first line is the dimension.  The
+        second line is the number of facets.  Each remaining line is the hyperplane's
+        coefficients followed by its offset.</dd>
+    <dt><a href="qh-optf.htm#Fo">Fo</a></dt>
+    <dd>print outer plane for each facet.  The output plane is above all points.
+         The first line is the dimension.  The
+        second line is the number of facets.  Each remaining line is the outer plane's
+        coefficients followed by its offset.</dd>
+    <dt><a href="qh-optf.htm#Fi">Fi</a></dt>
+    <dd>print inner plane for each facet.  The inner plane of a facet is
+        below its vertices.
+         The first line is the dimension.  The
+        second line is the number of facets.  Each remaining line is the inner plane's
+        coefficients followed by its offset.</dd>
+
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>General</b></dd>
+    <dt><a href="qh-opto.htm#s">s</a></dt>
+    <dd>print summary for the convex hull. Use '<a
+        href="qh-optf.htm#Fs">Fs</a>' and '<a
+        href="qh-optf.htm#FS">FS</a>' if you need numeric data.</dd>
+    <dt><a href="qh-optf.htm#FA">FA</a></dt>
+    <dd>compute total area and volume for '<a
+        href="qh-opto.htm#s">s</a>' and '<a href="qh-optf.htm#FS">FS</a>'</dd>
+    <dt><a href="qh-opto.htm#m">m</a></dt>
+    <dd>Mathematica output for the convex hull in 2-d or 3-d.</dd>
+    <dt><a href="qh-optf.htm#FM">FM</a></dt>
+    <dd>Maple output for the convex hull in 2-d or 3-d.</dd>
+    <dt><a href="qh-optg.htm#G">G</a></dt>
+    <dd>Geomview output for the convex hull in 2-d, 3-d, or 4-d.</dd>
+
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Scaling and rotation</b></dd>
+    <dt><a href="qh-optq.htm#Qbk">Qbk:n</a></dt>
+    <dd>scale k'th coordinate to lower bound.</dd>
+    <dt><a href="qh-optq.htm#QBk">QBk:n</a></dt>
+    <dd>scale k'th coordinate to upper bound.</dd>
+    <dt><a href="qh-optq.htm#QbB">QbB</a></dt>
+    <dd>scale input to unit cube centered at the origin.</dd>
+    <dt><a href="qh-optq.htm#QRn">QRn</a></dt>
+    <dd>randomly rotate the input with a random seed of n.  If n=0, the
+        seed is the time.  If n=-1, use time for the random seed, but do
+        not rotate the input.</dd>
+    <dt><a href="qh-optq.htm#Qb0">Qbk:0Bk:0</a></dt>
+    <dd>remove k'th coordinate from input.  This computes the
+        convex hull in one lower dimension.</dd>
+</dl>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="controls">qconvex controls</a></h3>
+<blockquote>
+
+<p>These options provide additional control:</p>
+
+<blockquote>
+<dl compact>
+    <dt><a href="qh-optq.htm#Qt">Qt</a></dt>
+    <dd>triangulated output.  Qhull triangulates non-simplicial facets.  It may produce
+     degenerate facets of zero area.</dd>
+    <dt><a href="qh-optq.htm#QJn">QJ</a></dt>
+    <dd>joggle the input instead of merging facets.  This guarantees simplicial facets
+        (e.g., triangles in 3-d).  It is less accurate than triangulated output ('Qt').</dd>
+    <dt><a href="qh-optq.htm#Qc">Qc</a></dt>
+    <dd>keep coplanar points</dd>
+    <dt><a href="qh-optq.htm#Qi">Qi</a></dt>
+    <dd>keep interior points</dd>
+    <dt><a href="qh-opto.htm#f">f </a></dt>
+    <dd>facet dump.  Print the data structure for each facet.</dd>
+    <dt><a href="qh-optq.htm#QVn">QVn</a></dt>
+    <dd>select facets containing point <em>n</em> as a vertex,</dd>
+    <dt><a href="qh-optq.htm#QGn">QGn</a></dt>
+    <dd>select facets that are visible from point <em>n</em>
+        (marked 'good').  Use <em>-n</em> for the remainder.</dd>
+    <dt><a href="qh-optp.htm#PDk">PDk:0</a></dt>
+    <dd>select facets with a negative coordinate for dimension <i>k</i></dd>
+    <dt><a href="qh-optt.htm#TFn">TFn</a></dt>
+    <dd>report progress after constructing <em>n</em> facets</dd>
+    <dt><a href="qh-optt.htm#Tv">Tv</a></dt>
+    <dd>verify result</dd>
+    <dt><a href="qh-optt.htm#TO">TI file</a></dt>
+    <dd>input data from file.  The filename may not use spaces or quotes.</dd>
+    <dt><a href="qh-optt.htm#TO">TO file</a></dt>
+    <dd>output results to file.  Use single quotes if the filename
+        contains spaces (e.g., <tt>TO 'file with spaces.txt'</tt></dd>
+    <dt><a href="qh-optq.htm#Qs">Qs</a></dt>
+    <dd>search all points for the initial simplex.  If Qhull can
+        not construct an initial simplex, it reports a
+descriptive message. Usually, the point set is degenerate and one
+or more dimensions should be removed ('<a href="qh-optq.htm#Qb0">Qbk:0Bk:0</a>').
+If not, use option 'Qs'. It performs an exhaustive search for the
+best initial simplex. This is expensive is high dimensions.</dd>
+</dl>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="graphics">qconvex graphics</a></h3>
+<blockquote>
+
+<p>Display 2-d, 3-d, and 4-d convex hulls with Geomview ('<a
+href="qh-optg.htm#G">G</a>').</p>
+
+<p>Display 2-d and 3-d convex hulls with Mathematica ('<a
+href="qh-opto.htm#m">m</a>').</p>
+
+<p>To view 4-d convex hulls in 3-d, use '<a
+href="qh-optp.htm#Pdk">Pd0d1d2d3</a>' to select the positive
+octant and '<a href="qh-optg.htm#GDn">GrD2</a>' to drop dimension
+2. </p>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="notes">qconvex notes</a></h3>
+<blockquote>
+
+<p>Qhull always computes a convex hull.  The
+convex hull may be used for other geometric structures. The
+general technique is to transform the structure into an
+equivalent convex hull problem. For example, the Delaunay
+triangulation is equivalent to the convex hull of the input sites
+after lifting the points to a paraboloid.</p>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="conventions">qconvex
+conventions</a></h3>
+<blockquote>
+
+<p>The following terminology is used for convex hulls in Qhull.
+See <a href="index.htm#structure">Qhull's data structures</a>.</p>
+
+<ul>
+    <li><em>point</em> - <em>d</em> coordinates</li>
+    <li><em>vertex</em> - extreme point of the input set</li>
+    <li><em>ridge</em> - <i>d-1</i> vertices between two
+        neighboring facets</li>
+    <li><em>hyperplane</em> - halfspace defined by a unit normal
+        and offset</li>
+    <li><em>coplanar point</em> - a nearly incident point to a
+        hyperplane</li>
+    <li><em>centrum</em> - a point on the hyperplane for testing
+        convexity</li>
+    <li><em>facet</em> - a facet with vertices, ridges, coplanar
+        points, neighboring facets, and hyperplane</li>
+    <li><em>simplicial facet</em> - a facet with <em>d</em>
+        vertices, <em>d</em> ridges, and <em>d</em> neighbors</li>
+    <li><em>non-simplicial facet</em> - a facet with more than <em>d</em>
+        vertices</li>
+    <li><em>good facet</em> - a facet selected by '<a
+        href="qh-optq.htm#QVn">QVn</a>', etc.</li>
+</ul>
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="options">qconvex options</a></h3>
+
+<pre>
+qconvex- compute the convex hull
+    http://www.qhull.org
+
+input (stdin):
+    first lines: dimension and number of points (or vice-versa).
+    other lines: point coordinates, best if one point per line
+    comments:    start with a non-numeric character
+
+options:
+    Qt   - triangulated output
+    QJ   - joggle input instead of merging facets
+    Qc   - keep coplanar points with nearest facet
+    Qi   - keep interior points with nearest facet
+
+Qhull control options:
+    Qbk:n   - scale coord k so that low bound is n
+      QBk:n - scale coord k so that upper bound is n (QBk is 0.5)
+    QbB  - scale input to unit cube centered at the origin
+    Qbk:0Bk:0 - remove k-th coordinate from input
+    QJn  - randomly joggle input in range [-n,n]
+    QRn  - random rotation (n=seed, n=0 time, n=-1 time/no rotate)
+    Qs   - search all points for the initial simplex
+    QGn  - good facet if visible from point n, -n for not visible
+    QVn  - good facet if it includes point n, -n if not
+
+Trace options:
+    T4   - trace at level n, 4=all, 5=mem/gauss, -1= events
+    Tc   - check frequently during execution
+    Ts   - print statistics
+    Tv   - verify result: structure, convexity, and point inclusion
+    Tz   - send all output to stdout
+    TFn  - report summary when n or more facets created
+    TI file - input data from file, no spaces or single quotes
+    TO file - output results to file, may be enclosed in single quotes
+    TPn  - turn on tracing when point n added to hull
+     TMn - turn on tracing at merge n
+     TWn - trace merge facets when width > n
+    TVn  - stop qhull after adding point n, -n for before (see TCn)
+     TCn - stop qhull after building cone for point n (see TVn)
+
+Precision options:
+    Cn   - radius of centrum (roundoff added).  Merge facets if non-convex
+     An  - cosine of maximum angle.  Merge facets if cosine > n or non-convex
+           C-0 roundoff, A-0.99/C-0.01 pre-merge, A0.99/C0.01 post-merge
+    Rn   - randomly perturb computations by a factor of [1-n,1+n]
+    Un   - max distance below plane for a new, coplanar point
+    Wn   - min facet width for outside point (before roundoff)
+
+Output formats (may be combined; if none, produces a summary to stdout):
+    f    - facet dump
+    G    - Geomview output (see below)
+    i    - vertices incident to each facet
+    m    - Mathematica output (2-d and 3-d)
+    n    - normals with offsets
+    o    - OFF file format (dim, points and facets; Voronoi regions)
+    p    - point coordinates
+    s    - summary (stderr)
+
+More formats:
+    Fa   - area for each facet
+    FA   - compute total area and volume for option 's'
+    Fc   - count plus coplanar points for each facet
+           use 'Qc' (default) for coplanar and 'Qi' for interior
+    FC   - centrum for each facet
+    Fd   - use cdd format for input (homogeneous with offset first)
+    FD   - use cdd format for numeric output (offset first)
+    FF   - facet dump without ridges
+    Fi   - inner plane for each facet
+    FI   - ID for each facet
+    Fm   - merge count for each facet (511 max)
+    FM   - Maple output (2-d and 3-d)
+    Fn   - count plus neighboring facets for each facet
+    FN   - count plus neighboring facets for each point
+    Fo   - outer plane (or max_outside) for each facet
+    FO   - options and precision constants
+    FP   - nearest vertex for each coplanar point
+    FQ   - command used for qconvex
+    Fs   - summary: #int (8), dimension, #points, tot vertices, tot facets,
+                      for output: #vertices, #facets,
+                                  #coplanar points, #non-simplicial facets
+                    #real (2), max outer plane, min vertex
+    FS   - sizes:   #int (0)
+                    #real(2) tot area, tot volume
+    Ft   - triangulation with centrums for non-simplicial facets (OFF format)
+    Fv   - count plus vertices for each facet
+    FV   - average of vertices (a feasible point for 'H')
+    Fx   - extreme points (in order for 2-d)
+
+Geomview output (2-d, 3-d, and 4-d)
+    Ga   - all points as dots
+     Gp  -  coplanar points and vertices as radii
+     Gv  -  vertices as spheres
+    Gi   - inner planes only
+     Gn  -  no planes
+     Go  -  outer planes only
+    Gc   - centrums
+    Gh   - hyperplane intersections
+    Gr   - ridges
+    GDn  - drop dimension n in 3-d and 4-d output
+
+Print options:
+    PAn  - keep n largest facets by area
+    Pdk:n - drop facet if normal[k] &lt;= n (default 0.0)
+    PDk:n - drop facet if normal[k] >= n
+    Pg   - print good facets (needs 'QGn' or 'QVn')
+    PFn  - keep facets whose area is at least n
+    PG   - print neighbors of good facets
+    PMn  - keep n facets with most merges
+    Po   - force output.  If error, output neighborhood of facet
+    Pp   - do not report precision problems
+
+    .    - list of all options
+    -    - one line descriptions of all options
+
+</pre>
+
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149;<a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
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+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To:</b> <a href="#synopsis">sy</a>nopsis
+&#149; <a href="#input">in</a>put &#149; <a href="#outputs">ou</a>tputs
+&#149; <a href="#controls">co</a>ntrols &#149; <a href="#graphics">gr</a>aphics
+&#149; <a href="#notes">no</a>tes &#149; <a href="#conventions">co</a>nventions
+&#149; <a href="#options">op</a>tions
+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
+</body>
+</html>
--- a/src/qhull/html/qdelau_f.htm
+++ b/src/qhull/html/qdelau_f.htm
@@ -0,0 +1,416 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>qdelaunay Qu -- furthest-site Delaunay triangulation</title>
+</head>
+
+<body>
+<!-- Navigation links -->
+<a name="TOP"><b>Up</b></a><b>:</b>
+<a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To:</b> <a href="#synopsis">sy</a>nopsis
+&#149; <a href="#input">in</a>put &#149; <a href="#outputs">ou</a>tputs
+&#149; <a href="#controls">co</a>ntrols &#149; <a href="#graphics">gr</a>aphics
+&#149; <a href="#notes">no</a>tes &#149; <a href="#conventions">co</a>nventions
+&#149; <a href="#options">op</a>tions
+
+<hr>
+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/delaunay.html"><img
+src="qh--dt.gif" alt="[delaunay]" align="middle" width="100"
+height="100"></a>qdelaunay Qu -- furthest-site Delaunay triangulation</h1>
+
+<p>The furthest-site Delaunay triangulation corresponds to the upper facets of the <a href="qdelaun.htm">Delaunay construction</a>.
+Its vertices are the
+extreme points of the input sites.
+It is the dual of the <a
+href="qvoron_f.htm">furthest-site Voronoi diagram</a>.
+
+<blockquote>
+<dl>
+    <dt><b>Example:</b> rbox 10 D2 | qdelaunay <a
+        href="qh-optq.htm#Qu">Qu</a> <a
+        href="qh-optq.htm#Qt">Qt</a> <a href="qh-opto.htm#s">s</a>
+        <a href="qh-opto.htm#i">i</a> <a href="qh-optt.htm#TO">TO
+        result</a></dt>
+    <dd>Compute the 2-d, furthest-site Delaunay triangulation of 10 random
+        points. Triangulate the output.
+        Write a summary to the console and the regions to
+        'result'.</dd>
+    <dt>&nbsp;</dt>
+    <dt><b>Example:</b> rbox 10 D2 | qdelaunay <a
+        href="qh-optq.htm#Qu">Qu</a> <a
+        href="qh-optq.htm#QJn">QJ</a> <a href="qh-opto.htm#s">s</a>
+        <a href="qh-opto.htm#i">i</a> <a href="qh-optt.htm#TO">TO
+        result</a></dt>
+    <dd>Compute the 2-d, furthest-site Delaunay triangulation of 10 random
+        points. Joggle the input to guarantee triangular output.
+        Write a summary to the console and the regions to
+        'result'.</dd>
+    <dt>&nbsp;</dt>
+    <dt><b>Example:</b> rbox r y c G1 D2 | qdelaunay <a
+        href="qh-optq.htm#Qu">Qu</a> <a href="qh-opto.htm#s">s</a>
+        <a href="qh-optf.htm#Fv">Fv</a> <a href="qh-optt.htm#TO">TO
+        result</a></dt>
+    <dd>Compute the 2-d, furthest-site Delaunay triangulation of a triangle inside
+                a square.
+        Write a summary to the console and unoriented regions to 'result'.
+        Merge regions for cocircular input sites (e.g., the square).
+                The square is the only furthest-site
+        Delaunay region.</dd>
+</dl>
+</blockquote>
+
+<p>As with the Delaunay triangulation, Qhull computes the
+furthest-site Delaunay triangulation by lifting the input sites to a
+paraboloid. The lower facets correspond to the Delaunay
+triangulation while the upper facets correspond to the
+furthest-site triangulation. Neither triangulation includes
+&quot;vertical&quot; facets (i.e., facets whose last hyperplane
+coefficient is nearly zero). Vertical facets correspond to input
+sites that are coplanar to the convex hull of the input. An
+example is points on the boundary of a lattice.</p>
+
+<p>By default, qdelaunay merges cocircular and cospherical regions.
+For example, the furthest-site Delaunay triangulation of a square inside a diamond
+('rbox D2 c d G4 | qdelaunay Qu') consists of one region (the diamond).
+
+<p>If you use '<a href="qh-optq.htm#Qt">Qt</a>' (triangulated output),
+all furthest-site Delaunay regions will be simplicial (e.g., triangles in 2-d).
+Some regions may be
+degenerate and have zero area.
+
+<p>If you use '<a href="qh-optq.htm#QJn">QJ</a>' (joggled input), all furthest-site
+Delaunay regions
+will be simplicial (e.g., triangles in 2-d).  Joggled input
+is less accurate than triangulated output ('Qt').  See <a
+href="qh-impre.htm#joggle">Merged facets or joggled input</a>. </p>
+
+<p>The output for 3-d, furthest-site Delaunay triangulations may be confusing if the
+input contains cospherical data. See the FAQ item
+<a href=qh-faq.htm#extra>Why
+are there extra points in a 4-d or higher convex hull?</a>
+Avoid these problems with triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>') or
+joggled input ('<a href="qh-optq.htm#QJn">QJ</a>').
+</p>
+
+<p>The 'qdelaunay' program is equivalent to
+'<a href=qhull.htm#outputs>qhull d</a> <a href=qh-optq.htm#Qbb>Qbb</a>' in 2-d to 3-d, and
+'<a href=qhull.htm#outputs>qhull d</a> <a href=qh-optq.htm#Qbb>Qbb</a> <a href=qh-optq.htm#Qx>Qx</a>'
+in 4-d and higher.  It disables the following Qhull
+<a href=qh-quick.htm#options>options</a>: <i>d n v H U Qb QB Qc Qf Qg Qi
+Qm Qr QR Qv Qx TR E V FC Fi Fo Fp FV Q0,etc</i>.
+
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<h3><a href="#TOP">&#187;</a><a name="synopsis">furthest-site qdelaunay synopsis</a></h3>
+<blockquote>
+
+See <a href="qdelaun.htm#synopsis">qdelaunay synopsis</a>.  The same
+program is used for both constructions.  Use option '<a href="qh-optq.htm#Qu">Qu</a>'
+for furthest-site Delaunay triangulations.
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="input">furthest-site qdelaunay
+input</a></h3>
+
+<blockquote>
+<p>The input data on <tt>stdin</tt> consists of:</p>
+<ul>
+    <li>dimension
+    <li>number of points</li>
+    <li>point coordinates</li>
+</ul>
+
+<p>Use I/O redirection (e.g., qdelaunay Qu &lt; data.txt), a pipe (e.g., rbox 10 | qdelaunay Qu),
+or the '<a href=qh-optt.htm#TI>TI</a>' option (e.g., qdelaunay Qu TI data.txt).
+
+<p>For example, this is a square containing four random points.
+Its furthest-site Delaunay
+triangulation contains one square.
+<p>
+<blockquote>
+<tt>rbox c 4 D2 &gt; data</tt>
+<blockquote><pre>
+2 RBOX c 4 D2
+8
+-0.4999921736307369 -0.3684622117955817
+0.2556053225468894 -0.0413498678629751
+0.0327672376602583 -0.2810408135699488
+-0.452955383763607 0.17886471718444
+  -0.5   -0.5
+  -0.5    0.5
+   0.5   -0.5
+   0.5    0.5
+</pre></blockquote>
+
+<p><tt>qdelaunay Qu i &lt; data</tt>
+<blockquote><pre>
+
+Furthest-site Delaunay triangulation by the convex hull of 8 points in 3-d:
+
+  Number of input sites: 8
+  Number of Delaunay regions: 1
+  Number of non-simplicial Delaunay regions: 1
+
+Statistics for: RBOX c 4 D2 | QDELAUNAY s Qu i
+
+  Number of points processed: 8
+  Number of hyperplanes created: 20
+  Number of facets in hull: 11
+  Number of distance tests for qhull: 34
+  Number of merged facets: 1
+  Number of distance tests for merging: 107
+  CPU seconds to compute hull (after input): 0.02
+
+1
+7 6 4 5
+</pre></blockquote>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="outputs">furthest-site qdelaunay
+outputs</a></h3>
+<blockquote>
+
+<p>These options control the output of furthest-site Delaunay triangulations:</p>
+<blockquote>
+
+<dl compact>
+    <dd><b>furthest-site Delaunay regions</b></dd>
+    <dt><a href="qh-opto.htm#i">i</a></dt>
+    <dd>list input sites for each furthest-site Delaunay region. The first line is the number of regions.  The
+        remaining lines list the input sites for each region.  The regions are
+                oriented.  In 3-d and
+        higher, report cospherical sites by adding extra points.  For the points-in-square example,
+        the square is the only furthest-site Delaunay region.</dd>
+    <dt><a href="qh-optf.htm#Fv">Fv</a></dt>
+    <dd>list input sites for each furthest-site Delaunay region.  The first line is the number of regions.
+        Each remaining line starts with the number of input sites.  The regions
+        are unoriented.  For the points-in-square example,
+        the square is the only furthest-site Delaunay region.</dd>
+    <dt><a href="qh-optf.htm#Ft">Ft</a></dt>
+    <dd>print a triangulation of the furthest-site Delaunay regions in OFF format.  The first line
+        is the dimension.  The second line is the number of input sites and added points,
+        followed by the number of simplices and the number of ridges.
+    The input coordinates are next, followed by the centrum coordinates.  There is
+        one centrum for each non-simplicial furthest-site Delaunay region.  Each remaining line starts
+        with dimension+1.  The
+        simplices are oriented.
+        For the points-in-square example, the square has a centrum at the
+        origin.  It splits the square into four triangular regions.</dd>
+    <dt><a href="qh-optf.htm#Fn">Fn</a></dt>
+    <dd>list neighboring regions for each furthest-site Delaunay region.  The first line is the
+        number of regions.  Each remaining line starts with the number of
+        neighboring regions.  Negative indices (e.g., <em>-1</em>) indicate regions
+        outside of the furthest-site Delaunay triangulation.
+        For the points-in-square example, the four neighboring regions
+        are outside of the triangulation.  They belong to the regular
+        Delaunay triangulation.</dd>
+    <dt><a href="qh-optf.htm#FN">FN</a></dt>
+    <dd>list the furthest-site Delaunay regions for each input site.  The first line is the
+        total number of input sites.  Each remaining line starts with the number of
+        furthest-site Delaunay regions.  Negative indices (e.g., <em>-1</em>) indicate regions
+        outside of the furthest-site Delaunay triangulation.
+        For the points-in-square example, the four random points belong to no region
+        while the square's vertices belong to region <em>0</em> and three
+        regions outside of the furthest-site Delaunay triangulation.</dd>
+    <dt><a href="qh-optf.htm#Fa">Fa</a></dt>
+    <dd>print area for each furthest-site Delaunay region. The first line is the number of regions.
+        The areas follow, one line per region.  For the points-in-square example, the
+        square has unit area. </dd>
+
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Input sites</b></dd>
+    <dt><a href="qh-optf.htm#Fx">Fx</a></dt>
+    <dd>list extreme points of the input sites.  These points are vertices of the furthest-point
+        Delaunay triangulation.  They are on the
+        boundary of the convex hull.   The first line is the number of
+        extreme points.  Each point is listed, one per line.  The points-in-square example
+        has four extreme points.</dd>
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>General</b></dd>
+    <dt><a href="qh-optf.htm#FA">FA</a></dt>
+    <dd>compute total area for '<a href="qh-opto.htm#s">s</a>'
+        and '<a href="qh-optf.htm#FS">FS</a>'.  This is the
+                same as the area of the convex hull.</dd>
+    <dt><a href="qh-opto.htm#o">o</a></dt>
+    <dd>print upper facets of the corresponding convex hull (a
+        paraboloid)</dd>
+    <dt><a href="qh-opto.htm#m">m</a></dt>
+    <dd>Mathematica output for the upper facets of the paraboloid (2-d triangulations).</dd>
+    <dt><a href="qh-optf.htm#FM">FM</a></dt>
+    <dd>Maple output for the upper facets of the paraboloid (2-d triangulations).</dd>
+    <dt><a href="qh-optg.htm#G">G</a></dt>
+    <dd>Geomview output for the paraboloid (2-d or 3-d triangulations).</dd>
+    <dt><a href="qh-opto.htm#s">s</a></dt>
+    <dd>print summary for the furthest-site Delaunay triangulation. Use '<a
+        href="qh-optf.htm#Fs">Fs</a>' and '<a
+        href="qh-optf.htm#FS">FS</a>' for numeric data.</dd>
+</dl>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="controls">furthest-site qdelaunay
+controls</a></h3>
+<blockquote>
+
+<p>These options provide additional control:</p>
+<blockquote>
+
+<dl compact>
+   <dt><a href="qh-optq.htm#Qu">Qu</a></dt>
+    <dd>must be used for furthest-site Delaunay triangulation.</dd>
+    <dt><a href="qh-optq.htm#Qt">Qt</a></dt>
+    <dd>triangulated output.  Qhull triangulates non-simplicial facets.  It may produce
+     degenerate facets of zero area.</dd>
+   <dt><a href="qh-optq.htm#QJn">QJ</a></dt>
+    <dd>joggle the input to avoid cospherical and coincident
+        sites.    It is less accurate than triangulated output ('Qt').</dd>
+    <dt><a href="qh-optq.htm#QVn">QVn</a></dt>
+    <dd>select facets adjacent to input site <em>n</em> (marked
+        'good').</dd>
+    <dt><a href="qh-optt.htm#Tv">Tv</a></dt>
+    <dd>verify result.</dd>
+    <dt><a href="qh-optt.htm#TO">TI file</a></dt>
+    <dd>input data from file.  The filename may not use spaces or quotes.</dd>
+    <dt><a href="qh-optt.htm#TO">TO file</a></dt>
+    <dd>output results to file.  Use single quotes if the filename
+        contains spaces (e.g., <tt>TO 'file with spaces.txt'</tt></dd>
+    <dt><a href="qh-optt.htm#TFn">TFn</a></dt>
+    <dd>report progress after constructing <em>n</em> facets</dd>
+    <dt><a href="qh-optp.htm#PDk">PDk:1</a></dt>
+    <dd>include upper and lower facets in the output.  Set <em>k</em>
+        to the last dimension (e.g., 'PD2:1' for 2-d inputs). </dd>
+    <dt><a href="qh-opto.htm#f">f</a></dt>
+    <dd>facet dump.  Print the data structure for each facet (i.e., furthest-site Delaunay region).</dd>
+</dl>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="graphics">furthest-site qdelaunay
+graphics</a></h3>
+<blockquote>
+
+See <a href="qdelaun.htm#graphics">Delaunay graphics</a>.
+They are the same except for Mathematica and Maple output.
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="notes">furthest-site
+qdelaunay notes</a></h3>
+<blockquote>
+
+<p>The furthest-site Delaunay triangulation does not
+record coincident input sites.  Use <tt>qdelaunay</tt> instead.
+
+<p><tt>qdelaunay Qu</tt> does not work for purely cocircular
+or cospherical points (e.g., rbox c | qdelaunay Qu).  Instead,
+use <tt>qdelaunay Qz</tt> -- when all points are vertices of the convex
+hull of the input sites, the Delaunay triangulation is the same
+as the furthest-site Delaunay triangulation.
+
+<p>A non-simplicial, furthest-site Delaunay region indicates nearly cocircular or
+cospherical input sites. To avoid non-simplicial regions triangulate
+the output ('<a href="qh-optq.htm#Qt">Qt</a>') or joggle
+the input ('<a href="qh-optq.htm#QJn">QJ</a>').  Joggled input
+is less accurate than triangulated output.
+You may also triangulate
+non-simplicial regions with option '<a
+href="qh-optf.htm#Ft">Ft</a>'. It adds
+the centrum to non-simplicial regions. Alternatively, use an <a
+href="qh-impre.htm#exact">exact arithmetic code</a>.</p>
+
+<p>Furthest-site Delaunay triangulations do not include facets that are
+coplanar with the convex hull of the input sites.  A facet is
+coplanar if the last coefficient of its normal is
+nearly zero (see <a href="../src/libqhull/user.h#ZEROdelaunay">qh_ZEROdelaunay</a>).
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="conventions">furthest-site qdelaunay conventions</a></h3>
+<blockquote>
+
+<p>The following terminology is used for furthest-site Delaunay
+triangulations in Qhull. The underlying structure is the upper
+facets of a convex hull in one higher dimension. See <a
+href="qconvex.htm#conventions">convex hull conventions</a>, <a
+href="qdelaun.htm#conventions">Delaunay conventions</a>,
+and <a href="index.htm#structure">Qhull's data structures</a></p>
+<blockquote>
+<ul>
+    <li><em>input site</em> - a point in the input (one dimension
+        lower than a point on the convex hull)</li>
+    <li><em>point</em> - <i>d+1</i> coordinates. The last
+        coordinate is the sum of the squares of the input site's
+        coordinates</li>
+    <li><em>vertex</em> - a point on the paraboloid. It
+        corresponds to a unique input site. </li>
+    <li><em>furthest-site Delaunay facet</em> - an upper facet of the
+        paraboloid. The last coefficient of its normal is
+                clearly positive.</li>
+    <li><em>furthest-site Delaunay region</em> - a furthest-site Delaunay
+            facet projected to the input sites</li>
+    <li><em>non-simplicial facet</em> - more than <em>d</em>
+        points are cocircular or cospherical</li>
+    <li><em>good facet</em> - a furthest-site Delaunay facet with optional
+        restrictions by '<a href="qh-optq.htm#QVn">QVn</a>', etc.</li>
+</ul>
+</blockquote>
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="options">furthest-site qdelaunay options</a></h3>
+<blockquote>
+
+See <a href="qdelaun.htm#options">qdelaunay options</a>.    The same
+program is used for both constructions.  Use option '<a href="qh-optq.htm#Qu">Qu</a>'
+for furthest-site Delaunay triangulations.
+
+</blockquote>
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
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+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To:</b> <a href="#synopsis">sy</a>nopsis
+&#149; <a href="#input">in</a>put &#149; <a href="#outputs">ou</a>tputs
+&#149; <a href="#controls">co</a>ntrols &#149; <a href="#graphics">gr</a>aphics
+&#149; <a href="#notes">no</a>tes &#149; <a href="#conventions">co</a>nventions
+&#149; <a href="#options">op</a>tions
+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
+</body>
+</html>
--- a/src/qhull/html/qdelaun.htm
+++ b/src/qhull/html/qdelaun.htm
@@ -0,0 +1,628 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>qdelaunay -- Delaunay triangulation</title>
+</head>
+
+<body>
+<!-- Navigation links -->
+<a name="TOP"><b>Up</b></a><b>:</b>
+<a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To:</b> <a href="#synopsis">sy</a>nopsis
+&#149; <a href="#input">in</a>put &#149; <a href="#outputs">ou</a>tputs
+&#149; <a href="#controls">co</a>ntrols &#149; <a href="#graphics">gr</a>aphics
+&#149; <a href="#notes">no</a>tes &#149; <a href="#conventions">co</a>nventions
+&#149; <a href="#options">op</a>tions
+
+<hr>
+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/delaunay.html"><img
+src="qh--dt.gif" alt="[delaunay]" align="middle" width="100"
+height="100"></a>qdelaunay -- Delaunay triangulation</h1>
+
+<p>The Delaunay triangulation is the triangulation with empty
+circumspheres. It has many useful properties and applications.
+See the survey article by Aurenhammer [<a
+href="index.htm#aure91">'91</a>] and the detailed introduction
+by O'Rourke [<a href="index.htm#orou94">'94</a>]. </p>
+
+<blockquote>
+<dl>
+    <dt><b>Example:</b> rbox r y c G0.1 D2 | qdelaunay <a href="qh-opto.htm#s">s</a>
+        <a href="qh-optf.htm#Fv">Fv</a> <a href="qh-optt.htm#TO">TO
+        result</a></dt>
+    <dd>Compute the 2-d Delaunay triangulation of a triangle and
+        a small square.
+        Write a summary to the console and unoriented regions to 'result'.
+        Merge regions for cocircular input sites (i.e., the
+        square).</dd>
+    <dt>&nbsp;</dt>
+    <dt><b>Example:</b> rbox r y c G0.1 D2 | qdelaunay <a href="qh-opto.htm#s">s</a>
+        <a href="qh-optf.htm#Fv">Fv</a> <a href="qh-optq.htm#Qt">Qt</a></dt>
+    <dd>Compute the 2-d Delaunay triangulation of a triangle and
+        a small square. Write a summary and unoriented
+        regions to the console.  Produce triangulated output.</dd>
+    <dt>&nbsp;</dt>
+    <dt><b>Example:</b> rbox 10 D2 | qdelaunay <a
+        href="qh-optq.htm#QJn">QJ</a> <a href="qh-opto.htm#s">s</a>
+        <a href="qh-opto.htm#i">i</a> <a href="qh-optt.htm#TO">TO
+        result</a></dt>
+    <dd>Compute the 2-d Delaunay triangulation of 10 random
+        points. Joggle the input to guarantee triangular output.
+        Write a summary to the console and the regions to
+        'result'.</dd>
+</dl>
+</blockquote>
+
+<p>Qhull computes the Delaunay triangulation by computing a
+convex hull. It lifts the input sites to a paraboloid by adding
+the sum of the squares of the coordinates. It scales the height
+of the paraboloid to improve numeric precision ('<a href=qh-optq.htm#Qbb>Qbb</a>').
+It computes the convex
+hull of the lifted sites, and projects the lower convex hull to
+the input.
+
+<p>Each region of the Delaunay triangulation
+corresponds to a facet of the lower half of the convex hull.
+Facets of the upper half of the convex hull correspond to the <a
+href="qdelau_f.htm">furthest-site Delaunay triangulation</a>.
+See the examples, <a href="qh-eg.htm#delaunay">Delaunay and
+Voronoi diagrams</a>.</p>
+
+<p>See <a href="http://www.qhull.org/html/qh-faq.htm#TOC">Qhull FAQ</a> - Delaunay and
+Voronoi diagram questions.</p>
+
+<p>By default, qdelaunay merges cocircular and cospherical regions.
+For example, the Delaunay triangulation of a square inside a diamond
+('rbox D2 c d G4 | qdelaunay') contains one region for the square.
+
+<p>Use option '<a href="qh-optq.htm#Qz">Qz</a>' if the input is circular, cospherical, or
+nearly so.  It improves precision by adding a point "at infinity," above the corresponding paraboloid.
+
+<p>If you use '<a href="qh-optq.htm#Qt">Qt</a>' (triangulated output),
+all Delaunay regions will be simplicial (e.g., triangles in 2-d).
+Some regions may be
+degenerate and have zero area.  Triangulated output identifies coincident
+points.
+
+<p>If you use '<a href="qh-optq.htm#QJn">QJ</a>' (joggled input), all Delaunay regions
+will be simplicial (e.g., triangles in 2-d).  Coincident points will
+create small regions since the points are joggled apart.  Joggled input
+is less accurate than triangulated output ('Qt').  See <a
+href="qh-impre.htm#joggle">Merged facets or joggled input</a>. </p>
+
+<p>The output for 3-d Delaunay triangulations may be confusing if the
+input contains cospherical data.  See the FAQ item
+<a href=qh-faq.htm#extra>Why
+are there extra points in a 4-d or higher convex hull?</a>
+Avoid these problems with triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>') or
+joggled input ('<a href="qh-optq.htm#QJn">QJ</a>').
+</p>
+
+<p>The 'qdelaunay' program is equivalent to
+'<a href=qhull.htm#outputs>qhull d</a> <a href=qh-optq.htm#Qbb>Qbb</a>' in 2-d to 3-d, and
+'<a href=qhull.htm#outputs>qhull d</a> <a href=qh-optq.htm#Qbb>Qbb</a> <a href=qh-optq.htm#Qx>Qx</a>'
+in 4-d and higher.  It disables the following Qhull
+<a href=qh-quick.htm#options>options</a>: <i>d n v H U Qb QB Qc Qf Qg Qi
+Qm Qr QR Qv Qx TR E V FC Fi Fo Fp Ft FV Q0,etc</i>.
+
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<h3><a href="#TOP">&#187;</a><a name="synopsis">qdelaunay synopsis</a></h3>
+
+<pre>
+qdelaunay- compute the Delaunay triangulation.
+    input (stdin): dimension, number of points, point coordinates
+    comments start with a non-numeric character
+
+options (qdelaun.htm):
+    Qt   - triangulated output
+    QJ   - joggle input instead of merging facets
+    Qu   - furthest-site Delaunay triangulation
+    Tv   - verify result: structure, convexity, and in-circle test
+    .    - concise list of all options
+    -    - one-line description of all options
+
+output options (subset):
+    s    - summary of results (default)
+    i    - vertices incident to each Delaunay region
+    Fx   - extreme points (vertices of the convex hull)
+    o    - OFF format (shows the points lifted to a paraboloid)
+    G    - Geomview output (2-d and 3-d points lifted to a paraboloid)
+    m    - Mathematica output (2-d inputs lifted to a paraboloid)
+    QVn  - print Delaunay regions that include point n, -n if not
+    TO file- output results to file, may be enclosed in single quotes
+
+examples:
+    rbox c P0 D2 | qdelaunay s o          rbox c P0 D2 | qdelaunay i
+    rbox c P0 D3 | qdelaunay Fv Qt        rbox c P0 D2 | qdelaunay s Qu Fv
+    rbox c G1 d D2 | qdelaunay s i        rbox c G1 d D2 | qdelaunay s i Qt
+    rbox M3,4 z 100 D2 | qdelaunay s      rbox M3,4 z 100 D2 | qdelaunay s Qt
+</pre>
+
+
+<h3><a href="#TOP">&#187;</a><a name="input">qdelaunay
+input</a></h3>
+
+<blockquote>
+<p>The input data on <tt>stdin</tt> consists of:</p>
+<ul>
+    <li>dimension
+    <li>number of points</li>
+    <li>point coordinates</li>
+</ul>
+
+<p>Use I/O redirection (e.g., qdelaunay &lt; data.txt), a pipe (e.g., rbox 10 | qdelaunay),
+or the '<a href=qh-optt.htm#TI>TI</a>' option (e.g., qdelaunay TI data.txt).
+
+<p>For example, this is four cocircular points inside a square.  Its Delaunay
+triangulation contains 8 triangles and one four-sided
+figure.
+<p>
+<blockquote>
+<tt>rbox s 4 W0 c G1 D2 &gt; data</tt>
+<blockquote><pre>
+2 RBOX s 4 W0 c D2
+8
+-0.4941988586954018 -0.07594397977563715
+-0.06448037284989526 0.4958248496365813
+0.4911154367094632 0.09383830681375946
+-0.348353580869097 -0.3586778257652367
+    -1     -1
+    -1      1
+     1     -1
+     1      1
+</pre></blockquote>
+
+<p><tt>qdelaunay s i &lt; data</tt>
+<blockquote><pre>
+
+Delaunay triangulation by the convex hull of 8 points in 3-d
+
+  Number of input sites: 8
+  Number of Delaunay regions: 9
+  Number of non-simplicial Delaunay regions: 1
+
+Statistics for: RBOX s 4 W0 c D2 | QDELAUNAY s i
+
+  Number of points processed: 8
+  Number of hyperplanes created: 18
+  Number of facets in hull: 10
+  Number of distance tests for qhull: 33
+  Number of merged facets: 2
+  Number of distance tests for merging: 102
+  CPU seconds to compute hull (after input): 0.028
+
+9
+1 7 5
+6 3 4
+2 3 6
+7 2 6
+2 7 1
+0 5 4
+3 0 4
+0 1 5
+1 0 3 2
+</pre></blockquote>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="outputs">qdelaunay
+outputs</a></h3>
+<blockquote>
+
+<p>These options control the output of Delaunay triangulations:</p>
+<blockquote>
+
+<dl compact>
+    <dd><b>Delaunay regions</b></dd>
+    <dt><a href="qh-opto.htm#i">i</a></dt>
+    <dd>list input sites for each Delaunay region. The first line is the number of regions.  The
+        remaining lines list the input sites for each region.  The regions are
+                oriented.  In 3-d and
+        higher, report cospherical sites by adding extra points.  Use triangulated
+        output ('<a href="qh-optq.htm#Qt">Qt</a>') to avoid non-simpicial regions.  For the circle-in-square example,
+        eight Delaunay regions are triangular and the ninth has four input sites.</dd>
+    <dt><a href="qh-optf.htm#Fv">Fv</a></dt>
+    <dd>list input sites for each Delaunay region.  The first line is the number of regions.
+        Each remaining line starts with the number of input sites.  The regions
+        are unoriented.  For the circle-in-square example,
+        eight Delaunay regions are triangular and the ninth has four input sites.</dd>
+    <dt><a href="qh-optf.htm#Fn">Fn</a></dt>
+    <dd>list neighboring regions for each Delaunay region.  The first line is the
+        number of regions.  Each remaining line starts with the number of
+        neighboring regions.  Negative indices (e.g., <em>-1</em>) indicate regions
+        outside of the Delaunay triangulation.
+        For the circle-in-square example, the four regions on the square are neighbors to
+        the region-at-infinity.</dd>
+    <dt><a href="qh-optf.htm#FN">FN</a></dt>
+    <dd>list the Delaunay regions for each input site.  The first line is the
+        total number of input sites.  Each remaining line starts with the number of
+        Delaunay regions.  Negative indices (e.g., <em>-1</em>) indicate regions
+        outside of the Delaunay triangulation.
+        For the circle-in-square example, each point on the circle belongs to four
+        Delaunay regions.  Use '<a href="qh-optq.htm#Qc">Qc</a> FN'
+        to include coincident input sites and deleted vertices. </dd>
+    <dt><a href="qh-optf.htm#Fa">Fa</a></dt>
+    <dd>print area for each Delaunay region. The first line is the number of regions.
+        The areas follow, one line per region.  For the circle-in-square example, the
+        cocircular region has area 0.4. </dd>
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>Input sites</b></dd>
+    <dt><a href="qh-optf.htm#Fc">Fc</a></dt>
+    <dd>list coincident input sites for each Delaunay region.
+        The first line is the number of regions.  The remaining lines start with
+        the number of coincident sites and deleted vertices.  Deleted vertices
+        indicate highly degenerate input (see'<a href="qh-optf.htm#Fs">Fs</a>').
+        A coincident site is assigned to one Delaunay
+        region.  Do not use '<a href="qh-optq.htm#QJn">QJ</a>' with 'Fc'; the joggle will separate
+        coincident sites.</dd>
+    <dt><a href="qh-optf.htm#FP">FP</a></dt>
+    <dd>print coincident input sites with distance to
+        nearest site (i.e., vertex). The first line is the
+        number of coincident sites.  Each remaining line starts with the point ID of
+        an input site, followed by the point ID of a coincident point, its region, and distance.
+        Includes deleted vertices which
+        indicate highly degenerate input (see'<a href="qh-optf.htm#Fs">Fs</a>').
+        Do not use '<a href="qh-optq.htm#QJn">QJ</a>' with 'FP'; the joggle will separate
+        coincident sites.</dd>
+    <dt><a href="qh-optf.htm#Fx">Fx</a></dt>
+    <dd>list extreme points of the input sites.  These points are on the
+        boundary of the convex hull.   The first line is the number of
+        extreme points.  Each point is listed, one per line.  The circle-in-square example
+        has four extreme points.</dd>
+    <dt>&nbsp;</dt>
+    <dt>&nbsp;</dt>
+    <dd><b>General</b></dd>
+    <dt><a href="qh-optf.htm#FA">FA</a></dt>
+    <dd>compute total area for '<a href="qh-opto.htm#s">s</a>'
+        and '<a href="qh-optf.htm#FS">FS</a>'</dd>
+    <dt><a href="qh-opto.htm#o">o</a></dt>
+    <dd>print lower facets of the corresponding convex hull (a
+        paraboloid)</dd>
+    <dt><a href="qh-opto.htm#m">m</a></dt>
+    <dd>Mathematica output for the lower facets of the paraboloid (2-d triangulations).</dd>
+    <dt><a href="qh-optf.htm#FM">FM</a></dt>
+    <dd>Maple output for the lower facets of the paraboloid (2-d triangulations).</dd>
+    <dt><a href="qh-optg.htm#G">G</a></dt>
+    <dd>Geomview output for the paraboloid (2-d or 3-d triangulations).</dd>
+    <dt><a href="qh-opto.htm#s">s</a></dt>
+    <dd>print summary for the Delaunay triangulation. Use '<a
+        href="qh-optf.htm#Fs">Fs</a>' and '<a
+        href="qh-optf.htm#FS">FS</a>' for numeric data.</dd>
+</dl>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="controls">qdelaunay
+controls</a></h3>
+<blockquote>
+
+<p>These options provide additional control:</p>
+<blockquote>
+
+<dl compact>
+   <dt><a href="qh-optq.htm#Qt">Qt</a></dt>
+    <dd>triangulated output.  Qhull triangulates non-simplicial facets.  It may produce
+degenerate facets of zero area.</dd>
+   <dt><a href="qh-optq.htm#QJn">QJ</a></dt>
+    <dd>joggle the input to avoid cospherical and coincident
+        sites.    It is less accurate than triangulated output ('Qt').</dd>
+   <dt><a href="qh-optq.htm#Qu">Qu</a></dt>
+    <dd>compute the <a href="qdelau_f.htm">furthest-site Delaunay triangulation</a>.</dd>
+     <dt><a href="qh-optq.htm#Qz">Qz</a></dt>
+    <dd>add a point above the paraboloid to reduce precision
+        errors. Use it for nearly cocircular/cospherical input
+        (e.g., 'rbox c | qdelaunay Qz'). The point is printed for
+        options '<a href="qh-optf.htm#Ft">Ft</a>' and '<a
+        href="qh-opto.htm#o">o</a>'.</dd>
+    <dt><a href="qh-optq.htm#QVn">QVn</a></dt>
+    <dd>select facets adjacent to input site <em>n</em> (marked
+        'good').</dd>
+    <dt><a href="qh-optt.htm#Tv">Tv</a></dt>
+    <dd>verify result.</dd>
+    <dt><a href="qh-optt.htm#TO">TI file</a></dt>
+    <dd>input data from file.  The filename may not use spaces or quotes.</dd>
+    <dt><a href="qh-optt.htm#TO">TO file</a></dt>
+    <dd>output results to file.  Use single quotes if the filename
+        contains spaces (e.g., <tt>TO 'file with spaces.txt'</tt></dd>
+    <dt><a href="qh-optt.htm#TFn">TFn</a></dt>
+    <dd>report progress after constructing <em>n</em> facets</dd>
+    <dt><a href="qh-optp.htm#PDk">PDk:1</a></dt>
+    <dd>include upper and lower facets in the output.  Set <em>k</em>
+        to the last dimension (e.g., 'PD2:1' for 2-d inputs). </dd>
+    <dt><a href="qh-opto.htm#f">f</a></dt>
+    <dd>facet dump.  Print the data structure for each facet (i.e., Delaunay region).</dd>
+</dl>
+</blockquote>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="graphics">qdelaunay
+graphics</a></h3>
+<blockquote>
+
+<p>For 2-d and 3-d Delaunay triangulations, Geomview ('qdelaunay <a
+href="qh-optg.htm#G">G</a>') displays the corresponding convex
+hull (a paraboloid). </p>
+
+<p>To view a 2-d Delaunay triangulation, use 'qdelaunay <a
+href="qh-optg.htm#GDn">GrD2</a>' to drop the last dimension. This
+is the same as viewing the hull without perspective (see
+Geomview's 'cameras' menu). </p>
+
+<p>To view a 3-d Delaunay triangulation, use 'qdelaunay <a
+href="qh-optg.htm#GDn">GrD3</a>' to drop the last dimension. You
+may see extra edges. These are interior edges that Geomview moves
+towards the viewer (see 'lines closer' in Geomview's camera
+options). Use option '<a href="qh-optg.htm#Gt">Gt</a>' to make
+the outer ridges transparent in 3-d. See <a
+href="qh-eg.htm#delaunay">Delaunay and Voronoi examples</a>.</p>
+
+<p>For 2-d Delaunay triangulations, Mathematica ('<a
+href="qh-opto.htm#m">m</a>') and Maple ('<a
+href="qh-optf.htm#FM">FM</a>') output displays the lower facets of the corresponding convex
+hull (a paraboloid). </p>
+
+<p>For 2-d, furthest-site Delaunay triangulations, Maple and Mathematica output ('<a
+href="qh-optq.htm#Qu">Qu</a> <a
+href="qh-opto.htm#m">m</a>') displays the upper facets of the corresponding convex
+hull (a paraboloid). </p>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="notes">qdelaunay
+notes</a></h3>
+<blockquote>
+
+<p>You can simplify the Delaunay triangulation by enclosing the input
+sites in a large square or cube.  This is particularly recommended
+for cocircular or cospherical input data.
+
+<p>A non-simplicial Delaunay region indicates nearly cocircular or
+cospherical input sites. To avoid non-simplicial regions either triangulate
+the output ('<a href="qh-optq.htm#Qt">Qt</a>') or joggle
+the input ('<a href="qh-optq.htm#QJn">QJ</a>').  Triangulated output
+is more accurate than joggled input.  Alternatively, use an <a
+href="qh-impre.htm#exact">exact arithmetic code</a>.</p>
+
+<p>Delaunay triangulations do not include facets that are
+coplanar with the convex hull of the input sites.  A facet is
+coplanar if the last coefficient of its normal is
+nearly zero (see <a href="../src/libqhull/user.h#ZEROdelaunay">qh_ZEROdelaunay</a>).
+
+<p>See <a href=qh-impre.htm#delaunay>Imprecision issues :: Delaunay triangulations</a>
+for a discussion of precision issues.  Deleted vertices indicate
+highly degenerate input.  They are listed in the summary output and
+option '<a href="qh-optf.htm#Fs">Fs</a>'.</p>
+
+<p>To compute the Delaunay triangulation of points on a sphere,
+compute their convex hull. If the sphere is the unit sphere at
+the origin, the facet normals are the Voronoi vertices of the
+input. The points may be restricted to a hemisphere. [S. Fortune]
+</p>
+
+<p>The 3-d Delaunay triangulation of regular points on a half
+spiral (e.g., 'rbox 100 l | qdelaunay') has quadratic size, while the Delaunay triangulation
+of random 3-d points is
+approximately linear for reasonably sized point sets.
+
+<p>With the <a href="qh-code.htm#library">Qhull library</a>, you
+can use <tt>qh_findbestfacet</tt> in <tt>poly2.c</tt> to locate the facet
+that contains a point. You should first lift the point to the
+paraboloid (i.e., the last coordinate is the sum of the squares
+of the point's coordinates -- <tt>qh_setdelaunay</tt>). Do not use options
+'<a href="qh-optq.htm#Qbb">Qbb</a>', '<a href="qh-optq.htm#QbB">QbB</a>',
+'<a href="qh-optq.htm#Qbk">Qbk:n</a>', or '<a
+href="qh-optq.htm#QBk">QBk:n</a>' since these scale the last
+coordinate. </p>
+
+<p>If a point is interior to the convex hull of the input set, it
+is interior to the adjacent vertices of the Delaunay
+triangulation. This is demonstrated by the following pipe for
+point 0:
+
+<pre>
+    qdelaunay &lt;data s FQ QV0 p | qconvex s Qb3:0B3:0 p
+</pre>
+
+<p>The first call to qdelaunay returns the neighboring points of
+point 0 in the Delaunay triangulation. The second call to qconvex
+returns the vertices of the convex hull of these points (after
+dropping the lifted coordinate). If point 0 is interior to the
+original point set, it is interior to the reduced point set. </p>
+
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="conventions">qdelaunay conventions</a></h3>
+<blockquote>
+
+<p>The following terminology is used for Delaunay triangulations
+in Qhull for dimension <i>d</i>. The underlying structure is the
+lower facets of a convex hull in dimension <i>d+1</i>. For
+further information, see <a href="index.htm#structure">data
+structures</a> and <a href="qconvex.htm#conventions">convex hull
+conventions</a>.</p>
+<blockquote>
+<ul>
+    <li><em>input site</em> - a point in the input (one dimension
+        lower than a point on the convex hull)</li>
+    <li><em>point</em> - a point has <i>d+1</i> coordinates. The
+        last coordinate is the sum of the squares of the input
+        site's coordinates</li>
+    <li><em>coplanar point</em> - a <em>coincident</em>
+        input site or a deleted vertex.  Deleted vertices
+        indicate highly degenerate input.</li>
+    <li><em>vertex</em> - a point on the paraboloid. It
+        corresponds to a unique input site. </li>
+    <li><em>point-at-infinity</em> - a point added above the
+        paraboloid by option '<a href="qh-optq.htm#Qz">Qz</a>'</li>
+    <li><em>lower facet</em> - a facet corresponding to a
+        Delaunay region. The last coefficient of its normal is
+        clearly negative.</li>
+    <li><em>upper facet</em> - a facet corresponding to a
+        furthest-site Delaunay region. The last coefficient of
+        its normal is clearly positive. </li>
+    <li><em>Delaunay region</em> - a
+        lower facet projected to the input sites</li>
+    <li><em>upper Delaunay region</em> - an upper facet projected
+        to the input sites</li>
+    <li><em>non-simplicial facet</em> - more than <em>d</em>
+        input sites are cocircular or cospherical</li>
+    <li><em>good facet</em> - a Delaunay region with optional
+        restrictions by '<a href="qh-optq.htm#QVn">QVn</a>', etc.</li>
+</ul>
+</blockquote>
+</blockquote>
+<h3><a href="#TOP">&#187;</a><a name="options">qdelaunay options</a></h3>
+
+<pre>
+qdelaunay- compute the Delaunay triangulation
+    http://www.qhull.org
+
+input (stdin):
+    first lines: dimension and number of points (or vice-versa).
+    other lines: point coordinates, best if one point per line
+    comments:    start with a non-numeric character
+
+options:
+    Qt   - triangulated output
+    QJ   - joggle input instead of merging facets
+    Qu   - compute furthest-site Delaunay triangulation
+
+Qhull control options:
+    QJn  - randomly joggle input in range [-n,n]
+    Qs   - search all points for the initial simplex
+    Qz   - add point-at-infinity to Delaunay triangulation
+    QGn  - print Delaunay region if visible from point n, -n if not
+    QVn  - print Delaunay regions that include point n, -n if not
+
+Trace options:
+    T4   - trace at level n, 4=all, 5=mem/gauss, -1= events
+    Tc   - check frequently during execution
+    Ts   - print statistics
+    Tv   - verify result: structure, convexity, and in-circle test
+    Tz   - send all output to stdout
+    TFn  - report summary when n or more facets created
+    TI file - input data from file, no spaces or single quotes
+    TO file - output results to file, may be enclosed in single quotes
+    TPn  - turn on tracing when point n added to hull
+     TMn - turn on tracing at merge n
+     TWn - trace merge facets when width > n
+    TVn  - stop qhull after adding point n, -n for before (see TCn)
+     TCn - stop qhull after building cone for point n (see TVn)
+
+Precision options:
+    Cn   - radius of centrum (roundoff added).  Merge facets if non-convex
+     An  - cosine of maximum angle.  Merge facets if cosine > n or non-convex
+           C-0 roundoff, A-0.99/C-0.01 pre-merge, A0.99/C0.01 post-merge
+    Rn   - randomly perturb computations by a factor of [1-n,1+n]
+    Wn   - min facet width for outside point (before roundoff)
+
+Output formats (may be combined; if none, produces a summary to stdout):
+    f    - facet dump
+    G    - Geomview output (see below)
+    i    - vertices incident to each Delaunay region
+    m    - Mathematica output (2-d only, lifted to a paraboloid)
+    o    - OFF format (dim, points, and facets as a paraboloid)
+    p    - point coordinates (lifted to a paraboloid)
+    s    - summary (stderr)
+
+More formats:
+    Fa   - area for each Delaunay region
+    FA   - compute total area for option 's'
+    Fc   - count plus coincident points for each Delaunay region
+    Fd   - use cdd format for input (homogeneous with offset first)
+    FD   - use cdd format for numeric output (offset first)
+    FF   - facet dump without ridges
+    FI   - ID of each Delaunay region
+    Fm   - merge count for each Delaunay region (511 max)
+    FM   - Maple output (2-d only, lifted to a paraboloid)
+    Fn   - count plus neighboring region for each Delaunay region
+    FN   - count plus neighboring region for each point
+    FO   - options and precision constants
+    FP   - nearest point and distance for each coincident point
+    FQ   - command used for qdelaunay
+    Fs   - summary: #int (8), dimension, #points, tot vertices, tot facets,
+                    for output: #vertices, #Delaunay regions,
+                                #coincident points, #non-simplicial regions
+                    #real (2), max outer plane, min vertex
+    FS   - sizes:   #int (0)
+                    #real (2), tot area, 0
+    Fv   - count plus vertices for each Delaunay region
+    Fx   - extreme points of Delaunay triangulation (on convex hull)
+
+Geomview options (2-d and 3-d)
+    Ga   - all points as dots
+     Gp  -  coplanar points and vertices as radii
+     Gv  -  vertices as spheres
+    Gi   - inner planes only
+     Gn  -  no planes
+     Go  -  outer planes only
+    Gc     - centrums
+    Gh   - hyperplane intersections
+    Gr   - ridges
+    GDn  - drop dimension n in 3-d and 4-d output
+    Gt   - transparent outer ridges to view 3-d Delaunay
+
+Print options:
+    PAn  - keep n largest Delaunay regions by area
+    Pdk:n - drop facet if normal[k] &lt;= n (default 0.0)
+    PDk:n - drop facet if normal[k] >= n
+    Pg   - print good Delaunay regions (needs 'QGn' or 'QVn')
+    PFn  - keep Delaunay regions whose area is at least n
+    PG   - print neighbors of good regions (needs 'QGn' or 'QVn')
+    PMn  - keep n Delaunay regions with most merges
+    Po   - force output.  If error, output neighborhood of facet
+    Pp   - do not report precision problems
+
+    .    - list of all options
+    -    - one line descriptions of all options
+</pre>
+
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br>
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+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
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+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>Examples of Qhull</title>
+</head>
+
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+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/half.html"><img
+src="qh--half.gif" alt="[halfspace]" align="middle" width="100"
+height="100"></a> Examples of Qhull</h1>
+
+<p>This section of the Qhull manual will introduce you to Qhull
+and its options. Each example is a file for viewing with <a
+href="index.htm#geomview">Geomview</a>.  You will need to
+use a Unix computer with a copy of Geomview.
+<p>
+If you are not running Unix, you can view <a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/welcome.html">pictures</a>
+for some of the examples.  To understand Qhull without Geomview, try the
+examples in <a href="qh-quick.htm#programs">Programs</a> and
+<a href="qh-quick.htm#programs">Programs/input</a>.  You can also try small
+examples that you compute by hand.  Use <a href="rbox.htm">rbox</a>
+to generate examples.
+<p>
+To generate the Geomview examples, execute the shell script <tt>eg/q_eg</tt>.
+It uses <tt>rbox</tt>.  The shell script <tt>eg/q_egtest</tt> generates
+test examples, and <tt>eg/q_test</tt> exercises the code. If you
+find yourself viewing the inside of a 3-d example, use Geomview's
+normalization option on the 'obscure' menu.</p>
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<h2><a href="#TOP">&#187;</a><a name="TOC">Qhull examples: Table of
+Contents </a></h2>
+
+<ul>
+    <li><a href="#2d">2-d and 3-d examples</a></li>
+    <li><a href="#how">How Qhull adds a point</a></li>
+    <li><a href="#joggle">Triangulated output or joggled input</a></li>
+    <li><a href="#delaunay">Delaunay and Voronoi diagrams</a></li>
+    <li><a href="#merge">Facet merging for imprecision</a></li>
+    <li><a href="#4d">4-d objects</a></li>
+    <li><a href="#half">Halfspace intersections</a></li>
+</ul>
+
+<hr>
+<ul>
+    <li><a href="#TOC">&#187;</a><a name="2d">2-d and 3-d examples</a><ul>
+            <li><a href="#01">eg.01.cube</a></li>
+            <li><a href="#02">eg.02.diamond.cube</a></li>
+            <li><a href="#03">eg.03.sphere</a></li>
+            <li><a href="#04">eg.04.circle</a></li>
+            <li><a href="#05">eg.05.spiral</a></li>
+            <li><a href="#06">eg.06.merge.square</a></li>
+            <li><a href="#07">eg.07.box</a></li>
+            <li><a href="#08a">eg.08a.cube.sphere</a></li>
+            <li><a href="#08b">eg.08b.diamond.sphere</a></li>
+            <li><a href="#09">eg.09.lens</a></li>
+        </ul>
+    </li>
+    <li><a href="#TOC">&#187;</a><a name="how">How Qhull adds a point</a><ul>
+            <li><a href="#10a">eg.10a.sphere.visible</a></li>
+            <li><a href="#10b">eg.10b.sphere.beyond</a></li>
+            <li><a href="#10c">eg.10c.sphere.horizon</a></li>
+            <li><a href="#10d">eg.10d.sphere.cone</a></li>
+            <li><a href="#10e">eg.10e.sphere.new</a></li>
+            <li><a href="#14">eg.14.sphere.corner</a></li>
+        </ul>
+    </li>
+    <li><a href="#TOC">&#187;</a> <a name="joggle">Triangulated output or joggled input</a>
+        <ul>
+            <li><a href="#15a">eg.15a.surface</a></li>
+            <li><a href="#15b">eg.15b.triangle</a></li>
+            <li><a href="#15c">eg.15c.joggle</a></li>
+        </ul>
+    <li><a href="#TOC">&#187;</a><a name="delaunay"> Delaunay and
+        Voronoi diagrams</a><ul>
+            <li><a href="#17a">eg.17a.delaunay.2</a></li>
+            <li><a href="#17b">eg.17b.delaunay.2i</a></li>
+            <li><a href="#17c">eg.17c.delaunay.2-3</a></li>
+            <li><a href="#17d">eg.17d.voronoi.2</a></li>
+            <li><a href="#17e">eg.17e.voronoi.2i</a></li>
+            <li><a href="#17f">eg.17f.delaunay.3</a></li>
+            <li><a href="#18a">eg.18a.furthest.2-3</a></li>
+            <li><a href="#18b">eg.18b.furthest-up.2-3</a></li>
+            <li><a href="#18c">eg.18c.furthest.2</a></li>
+            <li><a href="#19">eg.19.voronoi.region.3</a></li>
+        </ul>
+    </li>
+    <li><a href="#TOC">&#187;</a><a name="merge">Facet merging for
+        imprecision </a><ul>
+            <li><a href="#20">eg.20.cone</a></li>
+            <li><a href="#21a">eg.21a.roundoff.errors</a></li>
+            <li><a href="#21b">eg.21b.roundoff.fixed</a></li>
+            <li><a href="#22a">eg.22a.merge.sphere.01</a></li>
+            <li><a href="#22b">eg.22b.merge.sphere.-01</a></li>
+            <li><a href="#22c">eg.22c.merge.sphere.05</a></li>
+            <li><a href="#22d">eg.22d.merge.sphere.-05</a></li>
+            <li><a href="#23">eg.23.merge.cube</a></li>
+        </ul>
+    </li>
+    <li><a href="#TOC">&#187;</a><a name="4d">4-d objects</a><ul>
+            <li><a href="#24">eg.24.merge.cube.4d-in-3d</a></li>
+            <li><a href="#30">eg.30.4d.merge.cube</a></li>
+            <li><a href="#31">eg.31.4d.delaunay</a></li>
+            <li><a href="#32">eg.32.4d.octant</a></li>
+        </ul>
+    </li>
+    <li><a href="#TOC">&#187;</a><a name="half">Halfspace
+        intersections</a><ul>
+            <li><a href="#33a">eg.33a.cone</a></li>
+            <li><a href="#33b">eg.33b.cone.dual</a></li>
+            <li><a href="#33c">eg.33c.cone.halfspace</a></li>
+        </ul>
+    </li>
+</ul>
+
+<hr>
+
+<h2><a href="#TOC">&#187;</a>2-d and 3-d examples</h2>
+
+<h3><a href="#2d">&#187;</a><a name="01">rbox c D3 | qconvex G
+&gt;eg.01.cube </a></h3>
+
+<p>The first example is a cube in 3-d. The color of each facet
+indicates its normal. For example, normal [0,0,1] along the Z
+axis is (r=0.5, g=0.5, b=1.0). With the 'Dn' option in <tt>rbox</tt>,
+you can generate hypercubes in any dimension. Above 7-d the
+number of intermediate facets grows rapidly. Use '<a
+href="qh-optt.htm#TFn">TFn</a>' to track qconvex's progress. Note
+that each facet is a square that qconvex merged from coplanar
+triangles.</p>
+
+<h3><a href="#2d">&#187;</a><a name="02">rbox c d G3.0 | qconvex G
+&gt;eg.02.diamond.cube </a></h3>
+
+<p>The second example is a cube plus a diamond ('d') scaled by <tt>rbox</tt>'s
+'G' option. In higher dimensions, diamonds are much simpler than
+hypercubes. </p>
+
+<h3><a href="#2d">&#187;</a><a name="03">rbox s 100 D3 | qconvex G
+&gt;eg.03.sphere </a></h3>
+
+<p>The <tt>rbox s</tt> option generates random points and
+projects them to the d-sphere. All points should be on the convex
+hull. Notice that random points look more clustered than you
+might expect. You can get a smoother distribution by merging
+facets and printing the vertices, e.g.,<i> rbox 1000 s | qconvex
+A-0.95 p | qconvex G &gt;eg.99</i>.</p>
+
+<h3><a href="#2d">&#187;</a><a name="04">rbox s 100 D2 | qconvex G
+&gt;eg.04.circle </a></h3>
+
+<p>In 2-d, there are many ways to generate a convex hull. One of
+the earliest algorithms, and one of the fastest, is the 2-d
+Quickhull algorithm [c.f., Preparata &amp; Shamos <a
+href="index.htm#pre-sha85">'85</a>]. It was the model for
+Qhull.</p>
+
+<h3><a href="#2d">&#187;</a><a name="05">rbox 10 l | qconvex G
+&gt;eg.05.spiral </a></h3>
+
+<p>One rotation of a spiral.</p>
+
+<h3><a href="#2d">&#187;</a><a name="06">rbox 1000 D2 | qconvex C-0.03
+Qc Gapcv &gt;eg.06.merge.square</a></h3>
+
+<p>This demonstrates how Qhull handles precision errors. Option '<a
+href="qh-optc.htm#Cn">C-0.03</a>' requires a clearly convex angle
+between adjacent facets. Otherwise, Qhull merges the facets. </p>
+
+<p>This is the convex hull of random points in a square. The
+facets have thickness because they must be outside all points and
+must include their vertices. The colored lines represent the
+original points and the spheres represent the vertices. Floating
+in the middle of each facet is the centrum. Each centrum is at
+least 0.03 below the planes of its neighbors. This guarantees
+that the facets are convex.</p>
+
+<h3><a href="#2d">&#187;</a><a name="07">rbox 1000 D3 | qconvex G
+&gt;eg.07.box </a></h3>
+
+<p>Here's the same distribution but in 3-d with Qhull handling
+machine roundoff errors. Note the large number of facets. </p>
+
+<h3><a href="#2d">&#187;</a><a name="08a">rbox c G0.4 s 500 | qconvex G
+&gt;eg.08a.cube.sphere </a></h3>
+
+<p>The sphere is just barely poking out of the cube. Try the same
+distribution with randomization turned on ('<a
+href="qh-optq.htm#Qr">Qr</a>'). This turns Qhull into a
+randomized incremental algorithm. To compare Qhull and
+randomization, look at the number of hyperplanes created and the
+number of points partitioned. Don't compare CPU times since Qhull's
+implementation of randomization is inefficient. The number of
+hyperplanes and partitionings indicate the dominant costs for
+Qhull. With randomization, you'll notice that the number of
+facets created is larger than before. This is especially true as
+you increase the number of points. It is because the randomized
+algorithm builds most of the sphere before it adds the cube's
+vertices.</p>
+
+<h3><a href="#2d">&#187;</a><a name="08b">rbox d G0.6 s 500 | qconvex G
+&gt;eg.08b.diamond.sphere </a></h3>
+
+<p>This is a combination of the diamond distribution and the
+sphere.</p>
+
+<h3><a href="#2d">&#187;</a><a name="09">rbox 100 L3 G0.5 s | qconvex
+G &gt;eg.09.lens </a></h3>
+
+<p>Each half of the lens distribution lies on a sphere of radius
+three. A directed search for the furthest facet below a point
+(e.g., qh_findbest in <tt>geom.c</tt>) may fail if started from
+an arbitrary facet. For example, if the first facet is on the
+opposite side of the lens, a directed search will report that the
+point is inside the convex hull even though it is outside. This
+problem occurs whenever the curvature of the convex hull is less
+than a sphere centered at the test point. </p>
+
+<p>To prevent this problem, Qhull does not use directed search
+all the time. When Qhull processes a point on the edge of the
+lens, it partitions the remaining points with an exhaustive
+search instead of a directed search (see qh_findbestnew in <tt>geom2.c</tt>).
+</p>
+
+<h2><a href="#TOC">&#187;</a>How Qhull adds a point</h2>
+
+<h3><a href="#how">&#187;</a><a name="10a">rbox 100 s P0.5,0.5,0.5 |
+qconvex Ga QG0 &gt;eg.10a.sphere.visible</a></h3>
+
+<p>The next 4 examples show how Qhull adds a point. The point
+[0.5,0.5,0.5] is at one corner of the bounding box. Qhull adds a
+point using the beneath-beyond algorithm. First Qhull finds all
+of the facets that are visible from the point. Qhull will replace
+these facets with new facets.</p>
+
+<h3><a href="#how">&#187;</a><a name="10b">rbox 100 s
+P0.5,0.5,0.5|qconvex Ga QG-0 &gt;eg.10b.sphere.beyond </a></h3>
+
+<p>These are the facets that are not visible from the point.
+Qhull will keep these facets.</p>
+
+<h3><a href="#how">&#187;</a><a name="10c">rbox 100 s P0.5,0.5,0.5 |
+qconvex PG Ga QG0 &gt;eg.10c.sphere.horizon </a></h3>
+
+<p>These facets are the horizon facets; they border the visible
+facets. The inside edges are the horizon ridges. Each horizon
+ridge will form the base for a new facet.</p>
+
+<h3><a href="#how">&#187;</a><a name="10d">rbox 100 s P0.5,0.5,0.5 |
+qconvex Ga QV0 PgG &gt;eg.10d.sphere.cone </a></h3>
+
+<p>This is the cone of points from the new point to the horizon
+facets.  Try combining this image with <tt>eg.10c.sphere.horizon</tt>
+and <tt>eg.10a.sphere.visible</tt>.
+</p>
+
+<h3><a href="#how">&#187;</a><a name="10e">rbox 100 s P0.5,0.5,0.5 |
+qconvex Ga &gt;eg.10e.sphere.new</a></h3>
+
+<p>This is the convex hull after [0.5,0.5,0.5] has been added.
+Note that in actual practice, the above sequence would never
+happen. Unlike the randomized algorithms, Qhull always processes
+a point that is furthest in an outside set. A point like
+[0.5,0.5,0.5] would be one of the first points processed.</p>
+
+<h3><a href="#how">&#187;</a><a name="14">rbox 100 s P0.5,0.5,0.5 |
+qhull Ga QV0g Q0 &gt;eg.14.sphere.corner</a></h3>
+
+<p>The '<a href="qh-optq.htm#QVn">QVn</a>', '<a
+href="qh-optq.htm#QGn">QGn </a>' and '<a href="qh-optp.htm#Pdk">Pdk</a>'
+options define good facets for Qhull. In this case '<a
+href="qh-optq.htm#QVn">QV0</a>' defines the 0'th point
+[0.5,0.5,0.5] as the good vertex, and '<a href="qh-optq.htm#Qg">Qg</a>'
+tells Qhull to only build facets that might be part of a good
+facet. This technique reduces output size in low dimensions. It
+does not work with facet merging.</p>
+
+<h2><a href="#TOC">&#187;</a>Triangulated output or joggled input</h2>
+
+<h3><a href="#joggle">&#187;</a><a name="15a">rbox 500 W0 | qconvex QR0 Qc Gvp &gt;eg.15a.surface</a></h3>
+
+<p>This is the convex hull of 500 points on the surface of
+a cube.  Note the large, non-simplicial facet for each face.
+Qhull merges non-convex facets.
+
+<p>If the facets were not merged, Qhull
+would report precision problems.  For example, turn off facet merging
+with option '<a href="qh-optq.htm#Q0">Q0</a>'.  Qhull may report concave
+facets, flipped facets, or other precision errors:
+<blockquote>
+rbox 500 W0 | qhull QR0 Q0
+</blockquote>
+
+<p>
+<h3><a href="#joggle">&#187;</a><a name="15b">rbox 500 W0 | qconvex QR0 Qt Qc Gvp &gt;eg.15b.triangle</a></h3>
+
+<p>Like the previous examples, this is the convex hull of 500 points on the
+surface of a cube.  Option '<a href="qh-optq.htm#Qt">Qt</a>' triangulates the
+non-simplicial facets.  Triangulated output is
+particularly helpful for Delaunay triangulations.
+
+<p>
+<h3><a href="#joggle">&#187;</a><a name="15c">rbox 500 W0 | qconvex QR0 QJ5e-2 Qc Gvp &gt;eg.15c.joggle</a></h3>
+
+<p>This is the convex hull of 500 joggled points on the surface of
+a cube.  The option '<a href="qh-optq.htm#QJn">QJ5e-2</a>'
+sets a very large joggle to make the effect visible.  Notice
+that all of the facets are triangles.  If you rotate the cube,
+you'll see red-yellow lines for coplanar points.
+<p>
+With option '<a href="qh-optq.htm#QJn">QJ</a>', Qhull joggles the
+input to avoid precision problems.  It adds a small random number
+to each input coordinate.  If a precision
+error occurs, it increases the joggle and tries again.  It repeats
+this process until no precision problems occur.
+<p>
+Joggled input is a simple solution to precision problems in
+computational geometry.  Qhull can also merge facets to handle
+precision problems.  See <a href="qh-impre.htm#joggle">Merged facets or joggled input</a>.
+
+<h2><a href="#TOC">&#187;</a>Delaunay and Voronoi diagrams</h2>
+
+<h3><a href="#delaunay">&#187;</a><a name="17a">qdelaunay Qt
+&lt;eg.data.17 GnraD2 &gt;eg.17a.delaunay.2</a></h3>
+
+<p>
+The input file, <tt>eg.data.17</tt>, consists of a square, 15 random
+points within the outside half of the square, and 6 co-circular
+points centered on the square.
+
+<p>The Delaunay triangulation is the triangulation with empty
+circumcircles.  The input for this example is unusual because it
+includes six co-circular points.  Every triangular subset of these
+points has the same circumcircle.  Option '<a href="qh-optq.htm#Qt">Qt</a>'
+triangulates the co-circular facet.</p>
+
+<h3><a href="#delaunay">&#187;</a><a name="17b">qdelaunay &lt;eg.data.17
+GnraD2 &gt;eg.17b.delaunay.2i</a></h3>
+
+<p>This is the same example without triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>').  qdelaunay
+merges the non-unique Delaunay triangles into a hexagon.</p>
+
+<h3><a href="#delaunay">&#187;</a><a name="17c">qdelaunay &lt;eg.data.17
+Ga &gt;eg.17c.delaunay.2-3 </a></h3>
+
+<p>This is how Qhull generated both diagrams. Use Geomview's
+'obscure' menu to turn off normalization, and Geomview's
+'cameras' menu to turn off perspective. Then load this <a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/delaunay.html">object</a>
+with one of the previous diagrams.</p>
+
+<p>The points are lifted to a paraboloid by summing the squares
+of each coordinate. These are the light blue points. Then the
+convex hull is taken. That's what you see here. If you look up
+the Z-axis, you'll see that points and edges coincide.</p>
+
+<h3><a href="#delaunay">&#187;</a><a name="17d">qvoronoi QJ
+&lt;eg.data.17 Gna &gt;eg.17d.voronoi.2</a></h3>
+
+<p>The Voronoi diagram is the dual of the Delaunay triangulation.
+Here you see the original sites and the Voronoi vertices.
+Notice the each
+vertex is equidistant from three sites. The edges indicate the
+Voronoi region for a site. Qhull does not draw the unbounded
+edges. Instead, it draws extra edges to close the unbounded
+Voronoi regions. You may find it helpful to enclose the input
+points in a square.  You can compute the unbounded
+rays from option '<a href="qh-optf.htm#Fo2">Fo</a>'.
+</p>
+
+<p>Instead
+of triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>'), this
+example uses joggled input ('<a href="qh-optq.htm#QJn">QJ</a>').
+Normally, you should use neither 'QJ' nor 'Qt' for Voronoi diagrams.
+
+<h3><a href="#delaunay">&#187;</a><a name="17e">qvoronoi &lt;eg.data.17
+Gna &gt;eg.17e.voronoi.2i </a></h3>
+
+<p>This looks the same as the previous diagrams, but take a look
+at the data.  Run 'qvoronoi p &lt;eg/eg.data.17'.  This prints
+the Voronoi vertices.
+
+<p>With 'QJ', there are four nearly identical Voronoi vertices
+within 10^-11 of the origin.  Option 'QJ' joggled the input.  After the joggle,
+the cocircular
+input sites are no longer cocircular.  The corresponding Voronoi vertices are
+similar but not identical.
+
+<p>This example does not use options 'Qt' or 'QJ'.  The cocircular
+input sites define one Voronoi vertex near the origin. </p>
+
+<p>Option 'Qt' would triangulate the corresponding Delaunay region into
+four triangles.  Each triangle is assigned the same Voronoi vertex.</p>
+
+<h3><a href="#delaunay">&#187;</a><a name="17f"> rbox c G0.1 d |
+qdelaunay Gt Qz &lt;eg.17f.delaunay.3 </a></h3>
+
+<p>This is the 3-d Delaunay triangulation of a small cube inside
+a prism. Since the outside ridges are transparent, it shows the
+interior of the outermost facets. If you slice open the
+triangulation with Geomview's ginsu, you will see that the innermost
+facet is a cube. Note the use of '<a href="qh-optq.htm#Qz">Qz</a>'
+to add a point &quot;at infinity&quot;. This avoids a degenerate
+input due to cospherical points.</p>
+
+<h3><a href="#delaunay">&#187;</a><a name="18a">rbox 10 D2 d | qdelaunay
+Qu G &gt;eg.18a.furthest.2-3 </a></h3>
+
+<p>The furthest-site Voronoi diagram contains Voronoi regions for
+points that are <i>furthest </i>from an input site. It is the
+dual of the furthest-site Delaunay triangulation. You can
+determine the furthest-site Delaunay triangulation from the
+convex hull of the lifted points (<a href="#17c">eg.17c.delaunay.2-3</a>).
+The upper convex hull (blue) generates the furthest-site Delaunay
+triangulation. </p>
+
+<h3><a href="#delaunay">&#187;</a><a name="18b">rbox 10 D2 d | qdelaunay
+Qu Pd2 G &gt;eg.18b.furthest-up.2-3</a></h3>
+
+<p>This is the upper convex hull of the preceding example. The
+furthest-site Delaunay triangulation is the projection of the
+upper convex hull back to the input points. The furthest-site
+Voronoi vertices are the circumcenters of the furthest-site
+Delaunay triangles. </p>
+
+<h3><a href="#delaunay">&#187;</a><a name="18c">rbox 10 D2 d | qvoronoi
+Qu Gv &gt;eg.18c.furthest.2</a></h3>
+
+<p>This shows an incomplete furthest-site Voronoi diagram. It
+only shows regions with more than two vertices. The regions are
+artificially truncated. The actual regions are unbounded. You can
+print the regions' vertices with 'qvoronoi Qu <a
+href="qh-opto.htm#o">o</a>'. </p>
+
+<p>Use Geomview's 'obscure' menu to turn off normalization, and
+Geomview's 'cameras' menu to turn off perspective. Then load this
+with the upper convex hull.</p>
+
+<h3><a href="#delaunay">&#187;</a><a name="19">rbox 10 D3 | qvoronoi QV5
+p | qconvex G &gt;eg.19.voronoi.region.3 </a></h3>
+
+<p>This shows the Voronoi region for input site 5 of a 3-d
+Voronoi diagram.</p>
+
+<h2><a href="#TOC">&#187;</a>Facet merging for imprecision</h2>
+
+<h3><a href="#merge">&#187;</a><a name="20">rbox r s 20 Z1 G0.2 |
+qconvex G &gt;eg.20.cone </a></h3>
+
+<p>There are two things unusual about this <a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/cone.html">cone</a>.
+One is the large flat disk at one end and the other is the
+rectangles about the middle. That's how the points were
+generated, and if those points were exact, this is the correct
+hull. But <tt>rbox</tt> used floating point arithmetic to
+generate the data. So the precise convex hull should have been
+triangles instead of rectangles. By requiring convexity, Qhull
+has recovered the original design.</p>
+
+<h3><a href="#merge">&#187;</a><a name="21a">rbox 200 s | qhull Q0
+R0.01 Gav Po &gt;eg.21a.roundoff.errors </a></h3>
+
+<p>This is the convex hull of 200 cospherical points with
+precision errors ignored ('<a href="qh-optq.htm#Q0">Q0</a>'). To
+demonstrate the effect of roundoff error, we've added a random
+perturbation ('<a href="qh-optc.htm#Rn">R0.01</a>') to every
+distance and hyperplane calculation. Qhull, like all other convex
+hull algorithms with floating point arithmetic, makes
+inconsistent decisions and generates wildly wrong results. In
+this case, one or more facets are flipped over. These facets have
+the wrong color. You can also turn on 'normals' in Geomview's
+appearances menu and turn off 'facing normals'. There should be
+some white lines pointing in the wrong direction. These
+correspond to flipped facets. </p>
+
+<p>Different machines may not produce this picture. If your
+machine generated a long error message, decrease the number of
+points or the random perturbation ('<a href="qh-optc.htm#Rn">R0.01</a>').
+If it did not report flipped facets, increase the number of
+points or perturbation.</p>
+
+<h3><a href="#merge">&#187;</a><a name="21b">rbox 200 s | qconvex Qc
+R0.01 Gpav &gt;eg.21b.roundoff.fixed </a></h3>
+
+<p>Qhull handles the random perturbations and returns an
+imprecise <a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/fixed.html">sphere</a>.
+In this case, the output is a weak approximation to the points.
+This is because a random perturbation of '<a
+href="qh-optc.htm#Rn">R0.01 </a>' is equivalent to losing all but
+1.8 digits of precision. The outer planes float above the points
+because Qhull needs to allow for the maximum roundoff error. </p>
+<p>
+If you start with a smaller random perturbation, you
+can use joggle ('<a href="qh-optq.htm#QJn">QJn</a>') to avoid
+precision problems.  You need to set <i>n</i> significantly
+larger than the random perturbation.  For example, try
+'rbox 200 s | qconvex Qc R1e-4 QJ1e-1'.
+
+<h3><a href="#merge">&#187;</a><a name="22a">rbox 1000 s| qconvex C0.01
+Qc Gcrp &gt;eg.22a.merge.sphere.01</a></h3>
+
+<h3><a href="#merge">&#187;</a><a name="22b">rbox 1000 s| qconvex
+C-0.01 Qc Gcrp &gt;eg.22b.merge.sphere.-01</a></h3>
+
+<h3><a href="#merge">&#187;</a><a name="22c">rbox 1000 s| qconvex C0.05
+Qc Gcrpv &gt;eg.22c.merge.sphere.05</a></h3>
+
+<h3><a href="#merge">&#187;</a><a name="22d">rbox 1000 s| qconvex
+C-0.05 Qc Gcrpv &gt;eg.22d.merge.sphere.-05</a></h3>
+
+<p>The next four examples compare post-merging and pre-merging ('<a
+href="qh-optc.htm#Cn2">Cn</a>' vs. '<a href="qh-optc.htm#Cn">C-n</a>').
+Qhull uses '-' as a flag to indicate pre-merging.</p>
+
+<p>Post-merging happens after the convex hull is built. During
+post-merging, Qhull repeatedly merges an independent set of
+non-convex facets. For a given set of parameters, the result is
+about as good as one can hope for.</p>
+
+<p>Pre-merging does the same thing as post-merging, except that
+it happens after adding each point to the convex hull. With
+pre-merging, Qhull guarantees a convex hull, but the facets are
+wider than those from post-merging. If a pre-merge option is not
+specified, Qhull handles machine round-off errors.</p>
+
+<p>You may see coplanar points appearing slightly outside
+the facets of the last example.  This is becomes Geomview moves
+line segments forward toward the viewer.  You can avoid the
+effect by setting 'lines closer' to '0' in Geomview's camera menu.
+
+<h3><a href="#merge">&#187;</a><a name="23">rbox 1000 | qconvex s
+Gcprvah C0.1 Qc &gt;eg.23.merge.cube</a></h3>
+
+<p>Here's the 3-d imprecise cube with all of the Geomview
+options. There's spheres for the vertices, radii for the coplanar
+points, dots for the interior points, hyperplane intersections,
+centrums, and inner and outer planes.  The radii are shorter than
+the spheres because this uses post-merging ('<a href="qh-optc.htm#Cn2">C0.1</a>')
+instead of pre-merging.
+
+<h2><a href="#TOC">&#187;</a>4-d objects</h2>
+
+<p>With Qhull and Geomview you can develop an intuitive sense of
+4-d surfaces. When you get into trouble, think of viewing the
+surface of a 3-d sphere in a 2-d plane.</p>
+
+<h3><a href="#4d">&#187;</a><a name="24">rbox 5000 D4 | qconvex s GD0v
+Pd0:0.5 C-0.02 C0.1 &gt;eg.24.merge.cube.4d-in-3d</a></h3>
+
+<p>Here's one facet of the imprecise cube in 4-d. It's projected
+into 3-d (the '<a href="qh-optg.htm#GDn">GDn</a>' option drops
+dimension n). Each ridge consists of two triangles between this
+facet and the neighboring facet. In this case, Geomview displays
+the topological ridges, i.e., as triangles between three
+vertices. That is why the cube looks lopsided.</p>
+
+<h3><a href="#4d">&#187;</a><a name="30">rbox 5000 D4 | qconvex s
+C-0.02 C0.1 Gh &gt;eg.30.4d.merge.cube </a></h3>
+
+<p><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/4dcube.html">Here</a>
+is the equivalent in 4-d of the imprecise <a href="#06">square</a>
+and imprecise <a href="#23">cube</a>. It's the imprecise convex
+hull of 5000 random points in a hypercube. It's a full 4-d object
+so Geomview's <tt>ginsu </tt>does not work. If you view it in
+Geomview, you'll be inside the hypercube. To view 4-d objects
+directly, either load the <tt>4dview</tt> module or the <tt>ndview
+</tt>module. For <tt>4dview</tt>, you must have started Geomview
+in the same directory as the object. For <tt>ndview</tt>,
+initialize a set of windows with the prefab menu, and load the
+object through Geomview. The <tt>4dview</tt> module includes an
+option for slicing along any hyperplane. If you do this in the x,
+y, or z plane, you'll see the inside of a hypercube.</p>
+
+<p>The '<a href="qh-optg.htm#Gh">Gh</a>' option prints the
+geometric intersections between adjacent facets. Note the strong
+convexity constraint for post-merging ('<a href="qh-optc.htm#Cn2">C0.1</a>').
+It deletes the small facets.</p>
+
+<h3><a href="#4d">&#187;</a><a name="31">rbox 20 D3 | qdelaunay G
+&gt;eg.31.4d.delaunay </a></h3>
+
+<p>The Delaunay triangulation of 3-d sites corresponds to a 4-d
+convex hull. You can't see 4-d directly but each facet is a 3-d
+object that you can project to 3-d. This is exactly the same as
+projecting a 2-d facet of a soccer ball onto a plane.</p>
+
+<p>Here we see all of the facets together. You can use Geomview's
+<tt>ndview</tt> to look at the object from several directions.
+Try turning on edges in the appearance menu. You'll notice that
+some edges seem to disappear. That's because the object is
+actually two sets of overlapping facets.</p>
+
+<p>You can slice the object apart using Geomview's <tt>4dview</tt>.
+With <tt>4dview</tt>, try slicing along the w axis to get a
+single set of facets and then slice along the x axis to look
+inside. Another interesting picture is to slice away the equator
+in the w dimension.</p>
+
+<h3><a href="#4d">&#187;</a><a name="32">rbox 30 s D4 | qconvex s G
+Pd0d1d2D3</a></h3>
+
+<p>This is the positive octant of the convex hull of 30 4-d
+points. When looking at 4-d, it's easier to look at just a few
+facets at once. If you picked a facet that was directly above
+you, then that facet looks exactly the same in 3-d as it looks in
+4-d. If you pick several facets, then you need to imagine that
+the space of a facet is rotated relative to its neighbors. Try
+Geomview's <tt>ndview</tt> on this example.</p>
+
+<h2><a href="#TOC">&#187;</a>Halfspace intersections</h2>
+
+<h3><a href="#half">&#187;</a><a name="33a">rbox 10 r s Z1 G0.3 |
+qconvex G &gt;eg.33a.cone </a></h3>
+
+<h3><a href="#half">&#187;</a><a name="33b">rbox 10 r s Z1 G0.3 |
+qconvex FV n | qhalf G &gt;eg.33b.cone.dual</a></h3>
+
+<h3><a href="#half">&#187;</a><a name="33c">rbox 10 r s Z1 G0.3 |
+qconvex FV n | qhalf Fp | qconvex G &gt;eg.33c.cone.halfspace</a></h3>
+
+<p>These examples illustrate halfspace intersection. The first
+picture is the convex hull of two 20-gons plus an apex. The
+second picture is the dual of the first. Try loading <a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/half.html">both</a>
+at once. Each vertex of the second picture corresponds to a facet
+or halfspace of the first. The vertices with four edges
+correspond to a facet with four neighbors. Similarly the facets
+correspond to vertices. A facet's normal coefficients divided by
+its negative offset is the vertice's coordinates. The coordinates
+are the intersection of the original halfspaces. </p>
+
+<p>The third picture shows how Qhull can go back and forth
+between equivalent representations. It starts with a cone,
+generates the halfspaces that define each facet of the cone, and
+then intersects these halfspaces. Except for roundoff error, the
+third picture is a duplicate of the first. </p>
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org">Home
+page for Qhull</a> <br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual: Table of Contents</a><br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To: </b><a href="#TOC">Qhull examples: Table of Contents</a> (please wait
+while loading)<br>
+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
+</body>
+</html>
--- a/src/qhull/html/qh-faq.htm
+++ b/src/qhull/html/qh-faq.htm
--- a/src/qhull/html/qh-get.htm
+++ b/src/qhull/html/qh-get.htm
@@ -0,0 +1,106 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>Qhull Downloads</title>
+</head>
+
+<body>
+<!-- Navigation links -->
+<p><b>Up:</b> <a href="http://www.qhull.org"><i>Qhull Home Page</i></a><br>
+</p>
+
+<hr>
+
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/cone.html"><img
+src="../html/qh--cone.gif" alt="[CONE]" align="middle"
+width="100" height="100"></a> Qhull Downloads</h1>
+
+<ul>
+    <li><a href="http://www.qhull.org">Qhull Home Page</a> <p>Qhull
+        computes the convex hull, Delaunay triangulation, Voronoi diagram, halfspace
+        intersection about a point, furthest-site Delaunay
+        triangulation, and furthest-site Voronoi diagram. It
+        runs in 2-d, 3-d, 4-d, and higher dimensions. It
+        implements the Quickhull algorithm for computing the
+        convex hull. Qhull handles roundoff errors from floating
+        point arithmetic. It can approximate a convex hull. </p>
+
+        <p>Visit <a href="http://www.qhull.org/news">Qhull News</a>
+        for news, bug reports, change history, and users.
+        If you use Qhull 2003.1 or 2009.1, please upgrade to 2015.2 or apply
+        <a href="http://www.qhull.org/download/poly.c-qh_gethash.patch">poly.c-qh_gethash.patch</a>.</p>
+        </li>
+    <li><a
+        href="http://www.qhull.org/download/qhull-2015.2.zip">Download:
+        Qhull 2015.2 for Windows 10, 8, 7, XP, and NT</a> (2.6 MB,
+        <a href="http://www.qhull.org/README.txt">readme</a>,
+        <a href="http://www.qhull.org/download/qhull-2015.2.md5sum">md5sum</a>,
+        <a href="http://www.qhull.org/download/qhull-2015.2.zip.md5sum">contents</a>)
+        <p>Type: console programs for Windows (32- or 64-bit)</p>
+        <p>Includes 32-bit executables, documentation, and sources files. It runs in a
+        command window.  Qhull may be compiled for 64-bits.</p>
+    </li>
+    <li><a href="http://github.com/qhull/qhull/wiki">GitHub Qhull</a> (git@github.com:qhull/qhull.git)
+        <p>Type: git repository for Qhull.  See recent <a href="https://github.com/qhull/qhull/blob/master/src/Changes.txt">Changes.txt</a></p>
+        <p>Includes documentation, source files, C++ interface, and test programs.  It builds with gcc, mingw,
+        CMake, DevStudio, and Qt Creator.
+       </p>
+    </li>
+    <li><a href="http://www.qhull.org/download/qhull-2015-src-7.2.0.tgz">Download: Qhull 2015.2 for Unix</a> (1.0 MB,
+        <a href="http://www.qhull.org/README.txt">readme</a>,
+        <a href="http://www.qhull.org/download/qhull-2015.2.md5sum">md5sum</a>,
+        <a href="http://www.qhull.org/download/qhull-2015-src-7.2.0.tgz.md5sum">contents</a>)
+        <p>Type: C/C++ source code for 32-bit and 64-bit architectures.  See <a href="http://www.qhull.org/src/Changes.txt">Changes.txt</a></p>
+        <p>Includes documentation, source files, Makefiles, CMakeLists.txt, DevStudio projects, and Qt projects.
+            Includes preliminary C++ support.</p>
+        <p>Download and search sites for pre-built packages include
+           <ul>
+           <li><a href="https://launchpad.net/ubuntu/+source/qhull">https://launchpad.net/ubuntu/+source/qhull</a>
+           <li><a href="http://software.opensuse.org/download.html?project=openSUSE%3AFactory&package=qhull">http://software.opensuse.org/download.html?project=openSUSE%3AFactory&package=qhull</a>
+           <li><a href="https://www.archlinux.org/packages/extra/i686/qhull/">https://www.archlinux.org/packages/extra/i686/qhull/</a>
+           <li><a href="http://rpmfind.net/linux/rpm2html/search.php?query=qhull">http://rpmfind.net/linux/rpm2html/search.php?query=qhull</a>
+           <li><a href="http://rpm.pbone.net/index.php3/stat/3/srodzaj/1/search/qhull">http://rpm.pbone.net/index.php3/stat/3/srodzaj/1/search/qhull</a>
+         </ul></p>
+    </li>
+
+    <li><a
+        href="http://dl.acm.org/author_page.cfm?id=81100129162">Download:
+        Article about Qhull</a> (307K)
+        <p>Type: PDF on ACM Digital Library (from this page only)</p>
+        <p>Barber, C.B., Dobkin, D.P., and Huhdanpaa, H.T.,
+        &quot;The Quickhull algorithm for convex hulls,&quot; <i>ACM
+        Transactions on Mathematical Software</i>, 22(4):469-483, Dec 1996 [<a
+        href="http://portal.acm.org/citation.cfm?doid=235815.235821">abstract</a>].</p>
+    </li>
+
+    <li><a
+        href="http://www.qhull.org/download/qhull-1.0.tar.gz">Download:
+        Qhull version 1.0</a> (92K) <p>Type: C source code for
+        32-bit architectures </p>
+        <p>Version 1.0 is a fifth the size of version 2.4. It
+        computes convex hulls and Delaunay triangulations. If a
+        precision error occurs, it stops with an error message.
+        It reports an initialization error for inputs made with
+        0/1 coordinates. </p>
+        <p>Version 1.0 compiles on a PC with Borland C++ 4.02 for
+        Win32 and DOS Power Pack. The options for rbox are
+        &quot;bcc32 -WX -w- -O2-e -erbox -lc rbox.c&quot;. The
+        options for qhull are the same. [D. Zwick] </p>
+    </li>
+</ul>
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org"><i>Qhull Home Page</i></a><br>
+<!-- GC common information --></p>
+
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="../html/qh--geom.gif" alt="[HOME]"
+align="middle"></a> <i>The Geometry Center Home Page</i> </p>
+
+<p>Comments to: <a href="mailto:qhull@qhull.org">qhull@qhull.org</a><br>
+</body>
+</html>
--- a/src/qhull/html/qh-impre.htm
+++ b/src/qhull/html/qh-impre.htm
@@ -0,0 +1,826 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>Imprecision in Qhull</title>
+</head>
+
+<body>
+<!-- Navigation links -->
+<p><a name="TOP"><b>Up:</b></a> <a href="http://www.qhull.org">Home
+page</a> for Qhull <br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of
+Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To: </b><a href="#TOC">Qhull imprecision</a>: Table of Contents
+(please wait while loading)
+
+<hr>
+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/4dcube.html"><img
+src="qh--4d.gif" alt="[4-d cube]" align="middle" width="100"
+height="100"></a> Imprecision in Qhull</h1>
+
+<p>This section of the Qhull manual discusses the problems caused
+by coplanar points and why Qhull uses options '<a
+href="qh-optc.htm#C0">C-0</a>' or '<a href="qh-optq.htm#Qx">Qx</a>'
+by default. If you ignore precision issues with option '<a
+href="qh-optq.htm#Q0">Q0</a>', the output from Qhull can be
+arbitrarily bad. Qhull avoids precision problems if you merge facets (the default) or joggle
+the input ('<a
+href="qh-optq.htm#QJn">QJ</a>'). </p>
+
+<p>Use option '<a href="qh-optt.htm#Tv">Tv</a>' to verify the
+output from Qhull. It verifies that adjacent facets are clearly
+convex. It verifies that all points are on or below all facets. </p>
+
+<p>Qhull automatically tests for convexity if it detects
+precision errors while constructing the hull. </p>
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<h2><a href="#TOP">&#187;</a><a name="TOC">Qhull
+imprecision: Table of Contents </a></h2>
+
+<ul>
+    <li><a href="#prec">Precision problems</a></li>
+    <li><a href="#joggle">Merged facets or joggled input</a></li>
+    <li><a href="#delaunay">Delaunay triangulations</a></li>
+    <li><a href="#halfspace">Halfspace intersection/a></li>
+    <li><a href="#imprecise">Merged facets</a></li>
+    <li><a href="#how">How Qhull merges facets</a></li>
+    <li><a href="#limit">Limitations of merged facets</a></li>
+    <li><a href="#injoggle">Joggled input</a></li>
+    <li><a href="#exact">Exact arithmetic</a></li>
+    <li><a href="#approximate">Approximating a convex hull</a></li>
+</ul>
+
+<hr>
+
+<h2><a href="#TOC">&#187;</a><a name="prec">Precision problems</a></h2>
+
+<p>Since Qhull uses floating point arithmetic, roundoff error
+occurs with each calculation. This causes problems for
+geometric algorithms. Other floating point codes for convex
+hulls, Delaunay triangulations, and Voronoi diagrams also suffer
+from these problems.  Qhull handles most of them.</p>
+
+<p>There are several kinds of precision errors:</p>
+
+<ul>
+    <li>Representation error occurs when there are not enough
+        digits to represent a number, e.g., 1/3.</li>
+    <li>Measurement error occurs when the input coordinates are
+        from measurements. </li>
+    <li>Roundoff error occurs when a calculation is rounded to a
+        fixed number of digits, e.g., a floating point
+        calculation.</li>
+    <li>Approximation error occurs when the user wants an
+        approximate result because the exact result contains too
+        much detail.</li>
+</ul>
+
+<p>Under imprecision, calculations may return erroneous results.
+For example, roundoff error can turn a small, positive number
+into a small, negative number. See Milenkovic [<a
+href="index.htm#mile93">'93</a>] for a discussion of <em>strict
+robust geometry</em>. Qhull does not meet Milenkovic's criterion
+for accuracy. Qhull's error bound is empirical instead of
+theoretical.</p>
+
+<p>Qhull 1.0 checked for precision errors but did not handle
+them. The output could contain concave facets, facets with
+inverted orientation (&quot;flipped&quot; facets), more than two
+facets adjacent to a ridge, and two facets with exactly the same
+set of vertices.</p>
+
+<p>Qhull 2.4 and later automatically handles errors due to
+machine round-off. Option '<a href="qh-optc.htm#C0">C-0</a>' or '<a
+href="qh-optq.htm#Qx">Qx</a>' is set by default. In 5-d and
+higher, the output is clearly convex but an input point could be
+outside of the hull. This may be corrected by using option '<a
+href="qh-optc.htm#C0">C-0</a>', but then the output may contain
+wide facets.</p>
+
+<p>Qhull 2.5 and later provides option '<a href="qh-optq.htm#QJn">QJ</a>'
+to joggled input. Each input coordinate is modified by a
+small, random quantity. If a precision error occurs, a larger
+modification is tried. When no precision errors occur, Qhull is
+done. </p>
+
+<p>Qhull 3.1 and later provides option '<a href="qh-optq.htm#Qt">Qt</a>'
+for triangulated output.  This removes the need for
+joggled input ('<a href="qh-optq.htm#QJn">QJ</a>').
+Non-simplicial facets are triangulated.
+The facets may have zero area.
+Triangulated output is particularly useful for Delaunay triangulations.</p>
+
+<p>By handling round-off errors, Qhull can provide a variety of
+output formats. For example, it can return the halfspace that
+defines each facet ('<a href="qh-opto.htm#n">n</a>'). The
+halfspaces include roundoff error. If the halfspaces were exact,
+their intersection would return the original extreme points. With
+imprecise halfspaces and exact arithmetic, nearly incident points
+may be returned for an original extreme point. By handling
+roundoff error, Qhull returns one intersection point for each of
+the original extreme points. Qhull may split or merge an extreme
+point, but this appears to be unlikely.</p>
+
+<p>The following pipe implements the identity function for
+extreme points (with roundoff):
+<blockquote>
+    qconvex <a href="qh-optf.htm#FV">FV</a> <a
+    href="qh-opto.htm#n">n</a> | qhalf <a href="qh-optf.htm#Fp">Fp</a>
+</blockquote>
+
+<p>Bernd Gartner published his
+<a href=http://www.inf.ethz.ch/personal/gaertner/miniball.html>Miniball</a>
+algorithm ["Fast and robust smallest enclosing balls", <i>Algorithms - ESA '99</i>, LNCS 1643].
+It uses floating point arithmetic and a carefully designed primitive operation.
+It is practical to 20-D or higher, and identifies at least two points on the
+convex hull of the input set.  Like Qhull, it is an incremental algorithm that
+processes points furthest from the intermediate result and ignores
+points that are close to the intermediate result.
+
+<h2><a href="#TOC">&#187;</a><a name="joggle">Merged facets or joggled input</a></h2>
+
+<p>This section discusses the choice between merged facets and joggled input.
+By default, Qhull uses merged facets to handle
+precision problems. With option '<a href="qh-optq.htm#QJn">QJ</a>',
+the input is joggled. See <a href="qh-eg.htm#joggle">examples</a>
+of joggled input and triangulated output.
+<ul>
+<li>Use merged facets (the default)
+when you want non-simplicial output (e.g., the faces of a cube).
+<li>Use merged facets and triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>') when
+you want simplicial output and coplanar facets (e.g., triangles for a Delaunay triangulation).
+<li>Use joggled input ('<a href="qh-optq.htm#QJn">QJ</a>') when you need clearly-convex,
+simplicial output.
+</ul>
+
+<p>The choice between merged facets and joggled input depends on
+the application. Both run about the same speed. Joggled input may
+be faster if the initial joggle is sufficiently large to avoid
+precision errors.
+
+<p>Most applications should used merged facets
+with triangulated output. </p>
+
+<p>Use merged facets (the
+default, '<a href="qh-optc.htm#C0">C-0</a>')
+or triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>') if </p>
+
+<ul>
+    <li>Your application supports non-simplicial facets, or
+    it allows degenerate, simplicial facets (option '<a href="qh-optq.htm#Qt">Qt</a>'). </li>
+    <li>You do not want the input modified. </li>
+    <li>You want to set additional options for approximating the
+        hull. </li>
+    <li>You use single precision arithmetic (<a href="../src/libqhull/user.h#realT">realT</a>).
+    </li>
+</ul>
+
+<p>Use joggled input ('<a href="qh-optq.htm#QJn">QJ</a>') if </p>
+
+<ul>
+    <li>Your application needs clearly convex, simplicial output</li>
+    <li>Your application supports perturbed input points and narrow triangles.</li>
+    <li>Seven significant digits is sufficient accuracy.</li>
+</ul>
+
+<p>You may use both techniques or combine joggle with
+post-merging ('<a href="qh-optc.htm#Cn2">Cn</a>'). </p>
+
+<p>Other researchers have used techniques similar to joggled
+input. Sullivan and Beichel [ref?] randomly perturb the input
+before computing the Delaunay triangulation. Corkum and Wyllie
+[news://comp.graphics, 1990] randomly rotate a polytope before
+testing point inclusion. Edelsbrunner and Mucke [Symp. Comp.
+Geo., 1988] and Yap [J. Comp. Sys. Sci., 1990] symbolically
+perturb the input to remove singularities. </p>
+
+<p>Merged facets ('<a href="qh-optc.htm#C0">C-0</a>') handles
+precision problems directly. If a precision problem occurs, Qhull
+merges one of the offending facets into one of its neighbors.
+Since all precision problems in Qhull are associated with one or
+more facets, Qhull will either fix the problem or attempt to merge the
+last remaining facets. </p>
+
+<h2><a href="#TOC">&#187;</a><a name="delaunay">Delaunay
+triangulations </a></h2>
+
+<p>Programs that use Delaunay triangulations traditionally assume
+a triangulated input. By default, <a href=qdelaun.htm>qdelaunay</a>
+merges regions with cocircular or cospherical input sites.
+If you want a simplicial triangulation
+use triangulated output ('<a href="qh-optq.htm#Qt">Qt</a>') or joggled
+input ('<a href="qh-optq.htm#QJn">QJ</a>').
+
+<p>For Delaunay triangulations, triangulated
+output should produce good results.  All points are within roundoff error of
+a paraboloid.  If two points are nearly incident, one will be a
+coplanar point.  So all points are clearly separated and convex.
+If qhull reports deleted vertices, the triangulation
+may contain serious precision faults.  Deleted vertices are reported
+in the summary ('<a href="qh-opto.htm#s">s</a>', '<a href="qh-optf.htm#Fs">Fs</a>'</p>
+
+<p>You should use option '<a href="qh-optq.htm#Qbb">Qbb</a>' with Delaunay
+triangulations. It scales the last coordinate and may reduce
+roundoff error. It is automatically set for <a href=qdelaun.htm>qdelaunay</a>,
+<a href=qvoronoi.htm>qvoronoi</a>, and option '<a
+href="qh-optq.htm#QJn">QJ</a>'.</p>
+
+<p>Edelsbrunner, H, <i>Geometry and Topology for Mesh Generation</i>, Cambridge University Press, 2001.
+Good mathematical treatise on Delaunay triangulation and mesh generation for 2-d
+and 3-d surfaces.  The chapter on surface simplification is
+particularly interesting.  It is similar to facet merging in Qhull.
+
+<p>Veron and Leon published an algorithm for shape preserving polyhedral
+simplification with bounded error [<i>Computers and Graphics</i>, 22.5:565-585, 1998].
+It remove nodes using front propagation and multiple remeshing.
+
+<h2><a href="#TOC">&#187;</a><a name="halfspace">Halfspace intersection</a></h2>
+
+<p>
+The identity pipe for Qhull reveals some precision questions for
+halfspace intersections.  The identity pipe creates the convex hull of
+a set of points and intersects the facets' hyperplanes.  It should return the input
+points, but narrow distributions may drop points while offset distributions may add
+points.  It may be better to normalize the input set about the origin.
+For example, compare the first results with the later two results:  [T. Abraham]
+<blockquote>
+     rbox 100 s t | tee r | qconvex FV n | qhalf Fp | cat - r | /bin/sort -n | tail
+<br>
+     rbox 100 L1e5 t | tee r | qconvex FV n | qhalf Fp | cat - r | /bin/sort -n | tail
+<br>
+     rbox 100 s O10 t | tee r | qconvex FV n | qhalf Fp | cat - r | /bin/sort -n | tail
+</blockquote>
+
+
+<h2><a href="#TOC">&#187;</a><a name="imprecise">Merged facets </a></h2>
+
+<p>Qhull detects precision
+problems when computing distances. A precision problem occurs if
+the distance computation is less than the maximum roundoff error.
+Qhull treats the result of a hyperplane computation as if it
+were exact.</p>
+
+<p>Qhull handles precision problems by merging non-convex facets.
+The result of merging two facets is a thick facet defined by an <i>inner
+plane</i> and an <i>outer plane</i>. The inner and outer planes
+are offsets from the facet's hyperplane. The inner plane is
+clearly below the facet's vertices. At the end of Qhull, the
+outer planes are clearly above all input points. Any exact convex
+hull must lie between the inner and outer planes.</p>
+
+<p>Qhull tests for convexity by computing a point for each facet.
+This point is called the facet's <i>centrum</i>. It is the
+arithmetic center of the facet's vertices projected to the
+facet's hyperplane. For simplicial facets with <em>d</em>
+vertices, the centrum is equivalent to the centroid or center of
+gravity. </p>
+
+<p>Two neighboring facets are convex if each centrum is clearly
+below the other hyperplane. The '<a href="qh-optc.htm#Cn2">Cn</a>'
+or '<a href="qh-optc.htm#Cn">C-n</a>' options sets the centrum's
+radius to <i>n </i>. A centrum is clearly below a hyperplane if
+the computed distance from the centrum to the hyperplane is
+greater than the centrum's radius plus two maximum roundoff
+errors. Two are required because the centrum can be the maximum
+roundoff error above its hyperplane and the distance computation
+can be high by the maximum roundoff error.</p>
+
+<p>With the '<a href="qh-optc.htm#Cn">C-n</a>' or '<a
+href="qh-optc.htm#An">A-n </a>' options, Qhull merges non-convex
+facets while constructing the hull. The remaining facets are
+clearly convex. With the '<a href="qh-optq.htm#Qx">Qx </a>'
+option, Qhull merges coplanar facets after constructing the hull.
+While constructing the hull, it merges coplanar horizon facets,
+flipped facets, concave facets and duplicated ridges. With '<a
+href="qh-optq.htm#Qx">Qx</a>', coplanar points may be missed, but
+it appears to be unlikely.</p>
+
+<p>If the user sets the '<a href="qh-optc.htm#An2">An</a>' or '<a
+href="qh-optc.htm#An">A-n</a>' option, then all neighboring
+facets are clearly convex and the maximum (exact) cosine of an
+angle is <i>n</i>.</p>
+
+<p>If '<a href="qh-optc.htm#C0">C-0</a>' or '<a
+href="qh-optq.htm#Qx">Qx</a>' is used without other precision
+options (default), Qhull tests vertices instead of centrums for
+adjacent simplices. In 3-d, if simplex <i>abc</i> is adjacent to
+simplex <i>bcd</i>, Qhull tests that vertex <i>a</i> is clearly
+below simplex <i>bcd </i>, and vertex <i>d</i> is clearly below
+simplex <i>abc</i>. When building the hull, Qhull tests vertices
+if the horizon is simplicial and no merges occur. </p>
+
+<h2><a href="#TOC">&#187;</a><a name="how">How Qhull merges facets</a></h2>
+
+<p>If two facets are not clearly convex, then Qhull removes one
+or the other facet by merging the facet into a neighbor. It
+selects the merge which minimizes the distance from the
+neighboring hyperplane to the facet's vertices. Qhull also
+performs merges when a facet has fewer than <i>d</i> neighbors (called a
+degenerate facet), when a facet's vertices are included in a
+neighboring facet's vertices (called a redundant facet), when a
+facet's orientation is flipped, or when a ridge occurs between
+more than two facets.</p>
+
+<p>Qhull performs merges in a series of passes sorted by merge
+angle. Each pass merges those facets which haven't already been
+merged in that pass. After a pass, Qhull checks for redundant
+vertices. For example, if a vertex has only two neighbors in 3-d,
+the vertex is redundant and Qhull merges it into an adjacent
+vertex.</p>
+
+<p>Merging two simplicial facets creates a non-simplicial facet
+of <em>d+1</em> vertices. Additional merges create larger facets.
+When merging facet A into facet B, Qhull retains facet B's
+hyperplane. It merges the vertices, neighbors, and ridges of both
+facets. It recomputes the centrum if a wide merge has not
+occurred (qh_WIDEcoplanar) and the number of extra vertices is
+smaller than a constant (qh_MAXnewcentrum).</p>
+
+
+<h2><a href="#TOC">&#187;</a><a name="limit">Limitations of merged
+facets</a></h2>
+
+<ul>
+<li><b>Uneven dimensions</b> --
+If one coordinate has a larger absolute value than other
+coordinates, it may dominate the effect of roundoff errors on
+distance computations. You may use option '<a
+href="qh-optq.htm#QbB">QbB</a>' to scale points to the unit cube.
+For Delaunay triangulations and Voronoi diagrams, <a href=qdelaun.htm>qdelaunay</a>
+and <a href=qvoronoi.htm>qvoronoi</a> always set
+option '<a href="qh-optq.htm#Qbb">Qbb</a>'.  It scales the last
+coordinate to [0,m] where <i>m</i> is the maximum width of the
+other coordinates.  Option '<a href="qh-optq.htm#Qbb">Qbb</a>' is
+needed for Delaunay triangulations of integer coordinates
+and nearly cocircular points.
+
+<p>For example, compare
+<pre>
+        rbox 1000 W0 t | qconvex Qb2:-1e-14B2:1e-14
+</pre>
+with
+<pre>
+        rbox 1000 W0 t | qconvex
+</pre>
+The distributions are the same but the first is compressed to a 2e-14 slab.
+<p>
+<li><b>Post-merging of coplanar facets</b> -- In 5-d and higher, option '<a href="qh-optq.htm#Qx">Qx</a>'
+(default) delays merging of coplanar facets until post-merging.
+This may allow &quot;dents&quot; to occur in the intermediate
+convex hulls. A point may be poorly partitioned and force a poor
+approximation. See option '<a href="qh-optq.htm#Qx">Qx</a>' for
+further discussion.</p>
+
+<p>This is difficult to produce in 5-d and higher.  Option '<a href="qh-optq.htm#Q6">Q6</a>' turns off merging of concave
+facets.  This is similar to 'Qx'.  It may lead to serious precision errors,
+for example,
+<pre>
+        rbox 10000 W1e-13  | qhull Q6  Tv
+</pre>
+
+<p>
+<li><b>Maximum facet width</b> --
+Qhull reports the maximum outer plane and inner planes (if
+more than roundoff error apart). There is no upper bound
+for either figure. This is an area for further research. Qhull
+does a good job of post-merging in all dimensions. Qhull does a
+good job of pre-merging in 2-d, 3-d, and 4-d. With the '<a
+href="qh-optq.htm#Qx">Qx</a>' option, it does a good job in
+higher dimensions. In 5-d and higher, Qhull does poorly at
+detecting redundant vertices. </p>
+
+<p>In the summary ('<a href="qh-opto.htm#s">s</a>'), look at the
+ratio between the maximum facet width and the maximum width of a
+single merge, e.g., &quot;(3.4x)&quot;. Qhull usually reports a
+ratio of four or lower in 3-d and six or lower in 4-d. If it
+reports a ratio greater than 10, this may indicate an
+implementation error.  Narrow distributions (see following) may
+produce wide facets.
+
+<p>For example, if special processing for narrow distributions is
+turned off ('<a href="qh-optq.htm#Q10">Q10</a>'), qhull may produce
+a wide facet:</p>
+<pre>
+         rbox 1000 L100000 s G1e-16 t1002074964 | qhull Tv Q10
+</pre>
+
+<p>
+<li><b>Narrow distribution</b> -- In 3-d, a narrow distribution may result in a poor
+approximation. For example, if you do not use qdelaunay nor option
+'<a href="qh-optq.htm#Qbb">Qbb</a>', the furthest-site
+Delaunay triangulation of nearly cocircular points may produce a poor
+approximation:
+<pre>
+         rbox s 5000 W1e-13 D2 t1002151341 | qhull d Qt
+         rbox 1000 s W1e-13 t1002231672 | qhull d Tv
+</pre>
+
+<p>During
+construction of the hull, a point may be above two
+facets with opposite orientations that span the input
+set.  Even though the point may be nearly coplanar with both
+facets, and can be distant from the precise convex
+hull of the input sites.  Additional facets leave the point distant from
+a facet.  To fix this problem, add option '<a href="qh-optq.htm#Qbb">Qbb</a>'
+(it scales the last coordinate).  Option '<a href="qh-optq.htm#Qbb">Qbb</a>'
+is automatically set for <a href=qdelaun.htm>qdelaunay</a> and <a href=qvoronoi.htm>qvoronoi</a>.
+
+<p>Qhull generates a warning if the initial simplex is narrow.
+For narrow distributions, Qhull changes how it processes coplanar
+points -- it does not make a point coplanar until the hull is
+finished.
+Use option '<a href="qh-optq.htm#Q10">Q10</a>' to try Qhull without
+special processing for narrow distributions.
+For example, special processing is needed for:
+<pre>
+         rbox 1000 L100000 s G1e-16 t1002074964 | qhull Tv Q10
+</pre>
+
+<p>You may turn off the warning message by reducing
+qh_WARNnarrow in <tt>user.h</tt> or by setting option
+'<a href="qh-optp.htm#Pp">Pp</a>'. </p>
+
+<p>Similar problems occur for distributions with a large flat facet surrounded
+with many small facet at a sharp angle to the large facet.
+Qhull 3.1 fixes most of these problems, but a poor approximation can occur.
+A point may be left outside of the convex hull ('<a href="qh-optt.htm#Tv">Tv</a>').
+Examples include
+the furthest-site Delaunay triangulation of nearly cocircular points plus the origin, and the convex hull of a cone of nearly cocircular points. The width of the band is 10^-13.
+<pre>
+        rbox s 1000 W1e-13 P0 D2 t996799242 | qhull d Tv
+        rbox 1000 s Z1 G1e-13 t1002152123 | qhull Tv
+        rbox 1000 s Z1 G1e-13 t1002231668 | qhull Tv
+</pre>
+
+<p>
+<li><b>Quadratic running time</b> -- If the output contains large, non-simplicial
+facets, the running time for Qhull may be quadratic in the size of the triangulated
+output.   For example, <tt>rbox 1000 s W1e-13 c G2 | qhull d</tt> is 4 times
+faster for 500 points.  The convex hull contains two large nearly spherical facets and
+many nearly coplanar facets.  Each new point retriangulates the spherical facet and repartitions the remaining points into all of the nearly coplanar facets.
+In this case, quadratic running time is avoided if you use qdelaunay,
+add option '<a href="qh-optq.htm#Qbb">Qbb</a>',
+or add the origin ('P0') to the input.
+<p>
+<li><b>Nearly coincident points within 1e-13</b> --
+Multiple, nearly coincident points within a 1e-13 ball of points in the unit cube
+may lead to wide facets or quadratic running time.
+For example, the convex hull a 1000 coincident, cospherical points in 4-D,
+or the 3-D Delaunay triangulation of nearly coincident points, may lead to very
+wide facets (e.g., 2267021951.3x).
+
+<p>For Delaunay triangulations, the problem typically occurs for extreme points of the input
+set (i.e., on the edge between the upper and lower convex hull).  After multiple facet merges, four
+facets may share the same, duplicate ridge and must be merged.
+Some of these facets may be long and narrow, leading to a very wide merged facet.
+If so, error QH6271 is reported.  It may be overriden with option '<a href="qh-optq.htm#Q12">Q12</a>'.
+
+<p>Duplicate ridges occur when the horizon facets for a new point is "pinched".
+In a duplicate ridge, a subridge (e.g., a line segment in 3-d) is shared by two horizon facets.
+At least two of its vertices are nearly coincident.  It is easy to generate coincident points with
+option 'Cn,r,m' of rbox.  It generates n points within an r ball for each of m input sites.  For example,
+every point of the following  distributions has a nearly coincident point within a 1e-13 ball.
+Substantially smaller or larger balls do not lead to pinched horizons.
+<pre>
+        rbox 1000 C1,1e-13 D4 s t | qhull
+        rbox 75 C1,1e-13 t | qhull d
+</pre>
+For Delaunay triangulations, a bounding box may alleviate this error (e.g.,  <tt>rbox 500 C1,1E-13 t c G1 | qhull d</tt>).
+A later release of qhull will avoid pinched horizons by merging duplicate subridges.  A subridge is
+merged by merging adjacent vertices.
+<p>
+<li><b>Facet with zero-area</b> --
+It is possible for a zero-area facet to be convex with its
+neighbors. This can occur if the hyperplanes of neighboring
+facets are above the facet's centrum, and the facet's hyperplane
+is above the neighboring centrums. Qhull computes the facet's
+hyperplane so that it passes through the facet's vertices. The
+vertices can be collinear. </p>
+
+<p>
+<li><b>No more facets</b> -- Qhull reports an error if there are <em>d+1</em> facets left
+and two of the facets are not clearly convex. This typically
+occurs when the convexity constraints are too strong or the input
+points are degenerate. The former is more likely in 5-d and
+higher -- especially with option '<a href="qh-optc.htm#Cn">C-n</a>'.</p>
+
+<p>
+<li><b>Deleted cone</b> -- Lots of merging can end up deleting all
+of the new facets for a point.  This is a rare event that has
+only been seen while debugging the code.
+
+<p>
+<li><b>Triangulated output leads to precision problems</b> -- With sufficient
+merging, the ridges of a non-simplicial facet may have serious topological
+and geometric problems.  A ridge may be between more than two
+neighboring facets.  If so, their triangulation ('<a href="qh-optq.htm#Qt">Qt</a>')
+will fail since two facets have the same vertex set.  Furthermore,
+a triangulated facet may have flipped orientation compared to its
+neighbors.</li>
+
+<p>The triangulation process detects degenerate facets with
+only two neighbors.  These are marked degenerate.  They have
+zero area.
+
+<p>
+<li><b>Coplanar points</b> --
+Option '<a href="qh-optq.htm#Qc">Qc</a>' is determined by
+qh_check_maxout() after constructing the hull. Qhull needs to
+retain all possible coplanar points in the facets' coplanar sets.
+This depends on qh_RATIOnearInside in <tt>user.h.</tt>
+Furthermore, the cutoff for a coplanar point is arbitrarily set
+at the minimum vertex. If coplanar points are important to your
+application, remove the interior points by hand (set '<a
+href="qh-optq.htm#Qc">Qc</a> <a href="qh-optq.htm#Qi">Qi</a>') or
+make qh_RATIOnearInside sufficiently large.</p>
+
+<p>
+<li><b>Maximum roundoff error</b> -- Qhull computes the maximum roundoff error from the maximum
+coordinates of the point set. Usually the maximum roundoff error
+is a reasonable choice for all distance computations. The maximum
+roundoff error could be computed separately for each point or for
+each distance computation. This is expensive and it conflicts
+with option '<a href="qh-optc.htm#Cn">C-n</a>'.
+
+<p>
+<li><b>All flipped or upper Delaunay</b> -- When a lot of merging occurs for
+Delaunay triangulations, a new point may lead to no good facets.  For example,
+try a strong convexity constraint:
+<pre>
+        rbox 1000 s t993602376 | qdelaunay C-1e-3
+</pre>
+
+</ul>
+
+<h2><a href="#TOC">&#187;</a><a name="injoggle">Joggled input</a></h2>
+
+<p>Joggled input is a simple work-around for precision problems
+in computational geometry [&quot;joggle: to shake or jar
+slightly,&quot; Amer. Heritage Dictionary].  Other names are
+<i>jostled input</i> or <i>random perturbation</i>.
+Qhull joggles the
+input by modifying each coordinate by a small random quantity. If
+a precision problem occurs, Qhull joggles the input with a larger
+quantity and the algorithm is restarted. This process continues
+until no precision problems occur. Unless all inputs incur
+precision problems, Qhull will terminate. Qhull adjusts the inner
+and outer planes to account for the joggled input. </p>
+
+<p>Neither joggle nor merged facets has an upper bound for the width of the output
+facets, but both methods work well in practice. Joggled input is
+easier to justify. Precision errors occur when the points are
+nearly singular. For example, four points may be coplanar or
+three points may be collinear. Consider a line and an incident
+point. A precision error occurs if the point is within some
+epsilon of the line. Now joggle the point away from the line by a
+small, uniformly distributed, random quantity. If the point is
+changed by more than epsilon, the precision error is avoided. The
+probability of this event depends on the maximum joggle. Once the
+maximum joggle is larger than epsilon, doubling the maximum
+joggle will halve the probability of a precision error. </p>
+
+<p>With actual data, an analysis would need to account for each
+point changing independently and other computations. It is easier
+to determine the probabilities empirically ('<a href="qh-optt.htm#TRn">TRn</a>') . For example, consider
+computing the convex hull of the unit cube centered on the
+origin. The arithmetic has 16 significant decimal digits. </p>
+
+<blockquote>
+    <p><b>Convex hull of unit cube</b> </p>
+    <table border="1">
+        <tr>
+            <th align="left">joggle</th>
+            <th align="right">error prob. </th>
+        </tr>
+        <tr>
+            <td align="right">1.0e-15</td>
+            <td align="center">0.983 </td>
+        </tr>
+        <tr>
+            <td align="right">2.0e-15</td>
+            <td align="center">0.830 </td>
+        </tr>
+        <tr>
+            <td align="right">4.0e-15</td>
+            <td align="center">0.561 </td>
+        </tr>
+        <tr>
+            <td align="right">8.0e-15</td>
+            <td align="center">0.325 </td>
+        </tr>
+        <tr>
+            <td align="right">1.6e-14</td>
+            <td align="center">0.185 </td>
+        </tr>
+        <tr>
+            <td align="right">3.2e-14</td>
+            <td align="center">0.099 </td>
+        </tr>
+        <tr>
+            <td align="right">6.4e-14</td>
+            <td align="center">0.051 </td>
+        </tr>
+        <tr>
+            <td align="right">1.3e-13</td>
+            <td align="center">0.025 </td>
+        </tr>
+        <tr>
+            <td align="right">2.6e-13</td>
+            <td align="center">0.010 </td>
+        </tr>
+        <tr>
+            <td align="right">5.1e-13</td>
+            <td align="center">0.004 </td>
+        </tr>
+        <tr>
+            <td align="right">1.0e-12</td>
+            <td align="center">0.002 </td>
+        </tr>
+        <tr>
+            <td align="right">2.0e-12</td>
+            <td align="center">0.001 </td>
+        </tr>
+    </table>
+</blockquote>
+
+<p>A larger joggle is needed for multiple points. Since the
+number of potential singularities increases, the probability of
+one or more precision errors increases. Here is an example. </p>
+
+<blockquote>
+    <p><b>Convex hull of 1000 points on unit cube</b> </p>
+    <table border="1">
+        <tr>
+            <th align="left">joggle</th>
+            <th align="right">error prob. </th>
+        </tr>
+        <tr>
+            <td align="right">1.0e-12</td>
+            <td align="center">0.870 </td>
+        </tr>
+        <tr>
+            <td align="right">2.0e-12</td>
+            <td align="center">0.700 </td>
+        </tr>
+        <tr>
+            <td align="right">4.0e-12</td>
+            <td align="center">0.450 </td>
+        </tr>
+        <tr>
+            <td align="right">8.0e-12</td>
+            <td align="center">0.250 </td>
+        </tr>
+        <tr>
+            <td align="right">1.6e-11</td>
+            <td align="center">0.110 </td>
+        </tr>
+        <tr>
+            <td align="right">3.2e-11</td>
+            <td align="center">0.065 </td>
+        </tr>
+        <tr>
+            <td align="right">6.4e-11</td>
+            <td align="center">0.030 </td>
+        </tr>
+        <tr>
+            <td align="right">1.3e-10</td>
+            <td align="center">0.010 </td>
+        </tr>
+        <tr>
+            <td align="right">2.6e-10</td>
+            <td align="center">0.008 </td>
+        </tr>
+        <tr>
+            <td align="right">5.1e-09</td>
+            <td align="center">0.003 </td>
+        </tr>
+    </table>
+</blockquote>
+
+<p>Other distributions behave similarly. No distribution should
+behave significantly worse. In Euclidean space, the probability
+measure of all singularities is zero. With floating point
+numbers, the probability of a singularity is non-zero. With
+sufficient digits, the probability of a singularity is extremely
+small for random data. For a sufficiently large joggle, all data
+is nearly random data. </p>
+
+<p>Qhull uses an initial joggle of 30,000 times the maximum
+roundoff error for a distance computation. This avoids most
+potential singularities. If a failure occurs, Qhull retries at
+the initial joggle (in case bad luck occurred). If it occurs
+again, Qhull increases the joggle by ten-fold and tries again.
+This process repeats until the joggle is a hundredth of the width
+of the input points. Qhull reports an error after 100 attempts.
+This should never happen with double-precision arithmetic. Once
+the probability of success is non-zero, the probability of
+success increases about ten-fold at each iteration. The
+probability of repeated failures becomes extremely small. </p>
+
+<p>Merged facets produces a significantly better approximation.
+Empirically, the maximum separation between inner and outer
+facets is about 30 times the maximum roundoff error for a
+distance computation. This is about 2,000 times better than
+joggled input. Most applications though will not notice the
+difference. </p>
+
+<h2><a href="#TOC">&#187;</a><a name="exact">Exact arithmetic</a></h2>
+
+<p>Exact arithmetic may be used instead of floating point.
+Singularities such as coplanar points can either be handled
+directly or the input can be symbolically perturbed. Using exact
+arithmetic is slower than using floating point arithmetic and the
+output may take more space. Chaining a sequence of operations
+increases the time and space required. Some operations are
+difficult to do.</p>
+
+<p>Clarkson's <a
+href="http://www.netlib.org/voronoi/hull.html">hull
+program</a> and Shewchuk's <a
+href="http://www.cs.cmu.edu/~quake/triangle.html">triangle
+program</a> are practical implementations of exact arithmetic.</p>
+
+<p>Clarkson limits the input precision to about fifteen digits.
+This reduces the number of nearly singular computations. When a
+determinant is nearly singular, he uses exact arithmetic to
+compute a precise result.</p>
+
+<h2><a href="#TOC">&#187;</a><a name="approximate">Approximating a
+convex hull</a></h2>
+
+<p>Qhull may be used for approximating a convex hull. This is
+particularly valuable in 5-d and higher where hulls can be
+immense. You can use '<a href="qh-optq.htm#Qx">Qx</a> <a
+href="qh-optc.htm#Cn">C-n</a>' to merge facets as the hull is
+being constructed. Then use '<a href="qh-optc.htm#Cn2">Cn</a>'
+and/or '<a href="qh-optc.htm#An2">An</a>' to merge small facets
+during post-processing. You can print the <i>n</i> largest facets
+with option '<a href="qh-optp.htm#PAn">PAn</a>'. You can print
+facets whose area is at least <i>n</i> with option '<a
+href="qh-optp.htm#PFn">PFn</a>'. You can output the outer planes
+and an interior point with '<a href="qh-optf.htm#FV">FV</a> <a
+href="qh-optf.htm#Fo">Fo</a>' and then compute their intersection
+with 'qhalf'. </p>
+
+<p>To approximate a convex hull in 6-d and higher, use
+post-merging with '<a href="qh-optc.htm#Wn">Wn</a>' (e.g., qhull
+W1e-1 C1e-2 TF2000). Pre-merging with a convexity constraint
+(e.g., qhull Qx C-1e-2) often produces a poor approximation or
+terminates with a simplex. Option '<a href="qh-optq.htm#QbB">QbB</a>'
+may help to spread out the data.</p>
+
+<p>You will need to experiment to determine a satisfactory set of
+options. Use <a href="rbox.htm">rbox</a> to generate test sets
+quickly and <a href="index.htm#geomview">Geomview</a> to view
+the results. You will probably want to write your own driver for
+Qhull using the Qhull library. For example, you could select the
+largest facet in each quadrant.</p>
+
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org">Home
+page</a> for Qhull <br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of
+Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a><br>
+<b>To:</b> <a href="#TOC">Qhull imprecision: Table of Contents</a>
+
+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
+</body>
+</html>
--- a/src/qhull/html/qh-optc.htm
+++ b/src/qhull/html/qh-optc.htm
@@ -0,0 +1,292 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<title>Qhull precision options</title>
+</head>
+
+<body>
+<!-- Navigation links -->
+<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a></p>
+
+<hr>
+<!-- Main text of document -->
+<h1><a
+href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/delaunay.html"><img
+src="qh--dt.gif" alt="[delaunay]" align="middle" width="100"
+height="100"></a> Qhull precision options</h1>
+
+This section lists the precision options for Qhull. These options are
+indicated by an upper-case letter followed by a number.
+
+<p><b>Copyright &copy; 1995-2015 C.B. Barber</b></p>
+
+<hr>
+
+<p><a href="index.htm#TOC">&#187;</a> <a href="qh-quick.htm#programs">Programs</a>
+<a name="prec">&#149;</a> <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a></p>
+
+<h2>Precision options</h2>
+
+<p>Most users will not need to set these options. They are best
+used for <a href="qh-impre.htm#approximate">approximating</a> a
+convex hull. They may also be used for testing Qhull's handling
+of precision errors.</p>
+
+<p>By default, Qhull uses options '<a href="#C0">C-0</a>' for
+2-d, 3-d and 4-d, and '<a href="qh-optq.htm#Qx">Qx</a>' for 5-d
+and higher. These options use facet merging to handle precision
+errors.  You may also use joggled input '<a href="qh-optq.htm#QJn">QJ</a>'
+to avoid precision problems.
+For more information see <a
+href="qh-impre.htm">Imprecision in Qhull</a>.</p>
+
+<dl compact>
+    <dt>&nbsp;</dt>
+    <dd><b>General</b></dd>
+    <dt><a href="#Cn2">Cn</a></dt>
+    <dd>centrum radius for post-merging</dd>
+    <dt><a href="#Cn">C-n</a></dt>
+    <dd>centrum radius for pre-merging</dd>
+    <dt><a href="#An2">An</a></dt>
+    <dd>cosine of maximum angle for post-merging</dd>
+    <dt><a href="#An">A-n</a></dt>
+    <dd>cosine of maximum angle for pre-merging</dd>
+    <dt><a href="qh-optq.htm#Qx">Qx</a></dt>
+    <dd>exact pre-merges (allows coplanar facets)</dd>
+    <dt><a href="#C0">C-0</a></dt>
+    <dd>handle all precision errors</dd>
+    <dt><a href="#Wn">Wn</a></dt>
+    <dd>min distance above plane for outside points</dd>
+</dl>
+
+<dl compact>
+    <dt>&nbsp;</dt>
+    <dd><b>Experimental</b></dd>
+    <dt><a href="#Un">Un</a></dt>
+    <dd>max distance below plane for a new, coplanar point</dd>
+    <dt><a href="#En">En</a></dt>
+    <dd>max roundoff error for distance computation</dd>
+    <dt><a href="#Vn">Vn</a></dt>
+    <dd>min distance above plane for a visible facet</dd>
+    <dt><a href="#Rn">Rn</a></dt>
+    <dd>randomly perturb computations by a factor of [1-n,1+n]</dd>
+</dl>
+
+<dl compact>
+</dl>
+
+<hr>
+
+<h3><a href="#prec">&#187;</a><a name="An">A-n - cosine of maximum
+angle for pre-merging.</a></h3>
+
+<p>Pre-merging occurs while Qhull constructs the hull. It is
+indicated by '<a href="#Cn">C-n</a>', 'A-n', or '<a
+href="qh-optq.htm#Qx">Qx</a>'.</p>
+
+<p>If the angle between a pair of facet normals is greater than <i>n</i>,
+Qhull merges one of the facets into a neighbor. It selects the
+facet that is closest to a neighboring facet.</p>
+
+<p>For example, option 'A-0.99' merges facets during the
+construction of the hull. If the cosine of the angle between
+facets is greater than 0.99, one or the other facet is merged.
+Qhull accounts for the maximum roundoff error.</p>
+
+<p>If 'A-n' is set without '<a href="#Cn">C-n</a>', then '<a
+href="#C0">C-0</a>' is automatically set. </p>
+
+<p>In 5-d and higher, you should set '<a href="qh-optq.htm#Qx">Qx</a>'
+along with 'A-n'. It skips merges of coplanar facets until after
+the hull is constructed and before '<a href="#An2">An</a>' and '<a
+href="#Cn2">Cn</a>' are checked. </p>
+
+<h3><a href="#prec">&#187;</a><a name="An2">An - cosine of maximum angle for
+post-merging.</a></h3>
+
+<p>Post merging occurs after the hull is constructed. For
+example, option 'A0.99' merges a facet if the cosine of the angle
+between facets is greater than 0.99. Qhull accounts for the
+maximum roundoff error.</p>
+
+<p>If 'An' is set without '<a href="#Cn2">Cn</a>', then '<a
+href="#Cn2">C0</a>' is automatically set. </p>
+
+<h3><a href="#prec">&#187;</a><a name="C0">C-0 - handle all precision
+errors </a></h3>
+
+<p>Qhull handles precision errors by merging facets. The 'C-0'
+option handles all precision errors in 2-d, 3-d, and 4-d. It is
+set by default. It may be used in higher dimensions, but
+sometimes the facet width grows rapidly. It is usually better to
+use '<a href="qh-optq.htm#Qx">Qx</a>' in 5-d and higher.
+Use '<a href="qh-optq.htm#QJn">QJ</a>' to joggle the input
+instead of merging facets.
+Use '<a
+href="qh-optq.htm#Q0">Q0</a>' to turn both options off.</p>
+
+<p>Qhull optimizes 'C-0' (&quot;_zero-centrum&quot;) by testing
+vertices instead of centrums for adjacent simplices. This may be
+slower in higher dimensions if merges decrease the number of
+processed points. The optimization may be turned off by setting a
+small value such as 'C-1e-30'. See <a href="qh-impre.htm">How
+Qhull handles imprecision</a>.</p>
+
+<h3><a href="#prec">&#187;</a><a name="Cn">C-n - centrum radius for
+pre-merging</a></h3>
+
+<p>Pre-merging occurs while Qhull constructs the hull. It is
+indicated by 'C-n', '<a href="#An">A-n</a>', or '<a
+href="qh-optq.htm#Qx">Qx</a>'.</p>
+
+<p>The <i>centrum</i> of a facet is a point on the facet for
+testing facet convexity. It is the average of the vertices
+projected to the facet's hyperplane. Two adjacent facets are
+convex if each centrum is clearly below the other facet. </p>
+
+<p>If adjacent facets are non-convex, one of the facets is merged
+into a neighboring facet. Qhull merges the facet that is closest
+to a neighboring facet. </p>
+
+<p>For option 'C-n', <i>n</i> is the centrum radius. For example,
+'C-0.001' merges facets whenever the centrum is less than 0.001
+from a neighboring hyperplane. Qhull accounts for roundoff error
+when testing the centrum.</p>
+
+<p>In 5-d and higher, you should set '<a href="qh-optq.htm#Qx">Qx</a>'
+along with 'C-n'. It skips merges of coplanar facets until after
+the hull is constructed and before '<a href="#An2">An</a>' and '<a
+href="#Cn2">Cn</a>' are checked. </p>
+
+<h3><a href="#prec">&#187;</a><a name="Cn2">Cn - centrum radius for
+post-merging</a></h3>
+
+<p>Post-merging occurs after Qhull constructs the hull. It is
+indicated by '<a href="#Cn2">Cn</a>' or '<a href="#An2">An</a>'. </p>
+
+<p>For option '<a href="#Cn2">Cn</a>', <i>n</i> is the centrum
+radius. For example, 'C0.001' merges facets when the centrum is
+less than 0.001 from a neighboring hyperplane. Qhull accounts for
+roundoff error when testing the centrum.</p>
+
+<p>Both pre-merging and post-merging may be defined. If only
+post-merging is used ('<a href="qh-optq.htm#Q0">Q0</a>' with
+'Cn'), Qhull may fail to produce a hull due to precision errors
+during the hull's construction.</p>
+
+<h3><a href="#prec">&#187;</a><a name="En">En - max roundoff error
+for distance computations</a></h3>
+
+<p>This allows the user to change the maximum roundoff error
+computed by Qhull. The value computed by Qhull may be overly
+pessimistic. If 'En' is set too small, then the output may not be
+convex. The statistic &quot;max. distance of a new vertex to a
+facet&quot; (from option '<a href="qh-optt.htm#Ts">Ts</a>') is a
+reasonable upper bound for the actual roundoff error. </p>
+
+<h3><a href="#prec">&#187;</a><a name="Rn">Rn - randomly perturb
+computations </a></h3>
+
+<p>This option perturbs every distance, hyperplane, and angle
+computation by up to <i>(+/- n * max_coord)</i>. It simulates the
+effect of roundoff errors. Unless '<a href="#En">En</a>' is
+explicitly set, it is adjusted for 'Rn'. The command 'qhull Rn'
+will generate a convex hull despite the perturbations. See the <a
+href="qh-eg.htm#merge">Examples </a>section for an example.</p>
+
+<p>Options 'Rn C-n' have the effect of '<a href="#Wn">W2n</a>'
+and '<a href="#Cn">C-2n</a>'. To use time as the random number
+seed, use option '<a href="qh-optq.htm#QRn">QR-1</a>'.</p>
+
+<h3><a href="#prec">&#187;</a><a name="Un">Un - max distance for a
+new, coplanar point </a></h3>
+
+<p>This allows the user to set coplanarity. When pre-merging ('<a
+href="#Cn">C-n </a>', '<a href="#An">A-n</a>' or '<a
+href="qh-optq.htm#Qx">Qx</a>'), Qhull merges a new point into any
+coplanar facets. The default value for 'Un' is '<a href="#Vn">Vn</a>'.</p>
+
+<h3><a href="#prec">&#187;</a><a name="Vn">Vn - min distance for a
+visible facet </a></h3>
+
+<p>This allows the user to set facet visibility. When adding a
+point to the convex hull, Qhull determines all facets that are
+visible from the point. A facet is visible if the distance from
+the point to the facet is greater than 'Vn'.</p>
+
+<p>Without merging, the default value for 'Vn' is the roundoff
+error ('<a href="#En">En</a>'). With merging, the default value
+is the pre-merge centrum ('<a href="#Cn">C-n</a>') in 2-d or 3-d,
+or three times that in other dimensions. If the outside width is
+specified with option '<a href="#Wn">Wn </a>', the maximum,
+default value for 'Vn' is '<a href="#Wn">Wn</a>'.</p>
+
+<p>Qhull warns if 'Vn' is greater than '<a href="#Wn">Wn</a>' and
+furthest outside ('<a href="qh-optq.htm#Qf">Qf</a>') is not
+selected; this combination usually results in flipped facets
+(i.e., reversed normals).</p>
+
+<h3><a href="#prec">&#187;</a><a name="Wn">Wn - min distance above
+plane for outside points</a></h3>
+
+<p>Points are added to the convex hull only if they are clearly
+outside of a facet. A point is outside of a facet if its distance
+to the facet is greater than 'Wn'. Without pre-merging, the
+default value for 'Wn' is '<a href="#En">En </a>'. If the user
+specifies pre-merging and does not set 'Wn', than 'Wn' is set to
+the maximum of '<a href="#Cn">C-n</a>' and <i>maxcoord*(1 - </i><a
+href="#An"><i>A-n</i></a><i>)</i>.</p>
+
+<p>This option is good for <a href="qh-impre.htm#approximate">approximating</a>
+a convex hull.</p>
+
+<p>Options '<a href="qh-optq.htm#Qc">Qc</a>' and '<a
+href="qh-optq.htm#Qi">Qi</a>' use the minimum vertex to
+distinguish coplanar points from interior points.</p>
+<!-- Navigation links -->
+<hr>
+
+<p><b>Up:</b> <a href="http://www.qhull.org">Home page</a> for Qhull<br>
+<b>Up:</b> <a href="index.htm#TOC">Qhull manual</a>: Table of Contents<br>
+<b>To:</b> <a href="qh-quick.htm#programs">Programs</a>
+&#149; <a href="qh-quick.htm#options">Options</a>
+&#149; <a href="qh-opto.htm#output">Output</a>
+&#149; <a href="qh-optf.htm#format">Formats</a>
+&#149; <a href="qh-optg.htm#geomview">Geomview</a>
+&#149; <a href="qh-optp.htm#print">Print</a>
+&#149; <a href="qh-optq.htm#qhull">Qhull</a>
+&#149; <a href="qh-optc.htm#prec">Precision</a>
+&#149; <a href="qh-optt.htm#trace">Trace</a>
+&#149; <a href="../src/libqhull_r/index.htm">Functions</a></p>
+<!-- GC common information -->
+<hr>
+
+<p><a href="http://www.geom.uiuc.edu/"><img src="qh--geom.gif"
+align="middle" width="40" height="40"></a><i>The Geometry Center
+Home Page </i></p>
+
+<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a>
+</a><br>
+Created: Sept. 25, 1995 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p>
+</body>
+</html>
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
pschmidtke	7ec07dc24d	dev-13 wrapping up final build with new qhull	2018-07-23 21:53:46 +00:00
Peter Schmidtke	ffe88f56df	dev-13 build only what is needed in qhull	2018-07-23 23:35:41 +02:00
Peter Schmidtke	9d4e3dc010	dev-13 adding back makefile?	2018-07-23 23:30:38 +02:00
Peter Schmidtke	c16c54072d	dropping gitignore?	2018-07-23 23:20:39 +02:00
Peter Schmidtke	c21bee5482	dev-13 now?2	2018-07-23 23:14:29 +02:00
Peter Schmidtke	9b3443c9dc	dev-13 now?	2018-07-23 23:13:07 +02:00
Peter Schmidtke	229728bcd6	dev-13 dropping calls to prompts in qconex	2018-07-23 23:10:51 +02:00
Peter Schmidtke	a96e6e8f8b	dev-13 dropping prompts from qconvex	2018-07-23 23:09:32 +02:00
Peter Schmidtke	232f546bfe	dev-13 adding missing userprintf_rbox.o dependency	2018-07-23 23:04:24 +02:00
Peter Schmidtke	17d171401e	devel-13 back to qobjs in makefile	2018-07-23 22:56:05 +02:00
Peter Schmidtke	9f737c4070	dev-13 make clean qhull in fpocket makefile	2018-07-23 22:52:29 +02:00
Peter Schmidtke	81a864715c	dev-13 adding back run_qvoronoi and run_qconvex	2018-07-23 22:51:22 +02:00
Peter Schmidtke	633efaa841	dev-13 including full qhull with tests	2018-07-23 22:43:19 +02:00
Peter Schmidtke	bce0e0640a	dev-13 dropped tests etc from qhull makefile	2018-07-23 22:41:16 +02:00
Peter Schmidtke	6d99b179bf	dev-13 make qhull	2018-07-23 22:38:43 +02:00
Peter Schmidtke	e68ab59034	dev-13 make qhull introduced	2018-07-23 22:37:55 +02:00
Peter Schmidtke	402b611b71	dev-13 integrating new qhull source code	2018-07-23 22:34:52 +02:00
Peter	93f081ce13	dev-13 drop other remove	2018-07-23 14:26:42 +02:00
Peter	a58493977f	dev-13 drop removal of voronoi tmp files for debugging purposes	2018-07-23 14:24:07 +02:00
Peter	c6f4a2620b	dev-13 enable debugging mode	2018-07-23 14:10:42 +02:00
Peter Schmidtke	9b5d5b341d	Merge pull request #12 from mshyu24/master Update git clone in README	2018-07-23 14:03:03 +02:00
mshyu24	4a5d14afa6	Update git clone in README	2018-07-19 19:48:04 -05:00