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68 lines
1.6 KiB
Plaintext
Executable File
68 lines
1.6 KiB
Plaintext
Executable File
General information:
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- the workspace RDCode.dsw should contain all projects
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- the magic for copying files in the post-build step is something
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like this:
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copy Release\cAlgorithms.pyd $(RDBASE)\Python\ML\Cluster
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i.e. you *can* reference environment variables
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Things to remember whilst writing extension modules:
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- don't forget to update the include and link paths and turn off
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precompiled headers (unless you are really using them)
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- don't forget to initialize Numeric
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- interaction with Numeric data is most easily done using this paradigm:
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accum += ((double *)origMetricsContig->data)[(p2*(p2-1))/2+p1];
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((double *)newMetricMat->data)[tempIdx] = accum;
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- when programming the windows, it's useful to use the XXX_API methods that
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microsoft's wizard provides for DLLs. These do, however, need to
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have extern "C" added to them, so you get something like this in
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your .h file:
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#ifdef WIN32
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#ifdef CALGORITHMS_EXPORTS
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#define CALGORITHMS_API extern "C" __declspec(dllexport)
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#else
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#define CALGORITHMS_API extern "C" __declspec(dllimport)
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#endif
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#include <windows.h>
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#else // WIN32
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#define CALGORITHMS_API extern "C"
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#endif
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you'll also need to include the magic DLLMain foo in your .cpp
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file:
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#ifdef WIN32
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BOOL APIENTRY DllMain( HANDLE hModule,
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DWORD ul_reason_for_call,
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LPVOID lpReserved
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)
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{
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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#endif
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