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119 lines
2.8 KiB
Python
Executable File
119 lines
2.8 KiB
Python
Executable File
# Copyright (C) 2004-2005 Rational Discovery LLC
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# All Rights Reserved
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#
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"""unit testing code for the SVD wrapper
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"""
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import RDConfig
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import unittest,os.path
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import PySVD
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from PySVD import cSVD
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from Numeric import *
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def feq(n1,n2,tol=1e-4):
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return abs(n1-n2)<=tol
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class TestCase(unittest.TestCase):
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def setUp(self):
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if doLong:
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print '\n%s: '%self.shortDescription(),
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def _checkOrthog(self,u):
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for i in range(u.shape[0]):
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for j in range(i,u.shape[0]):
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dotProd = dot(u[i],u[j])
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if i!=j: assert feq(dotProd,0)
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if i==j: assert feq(dotProd,1)
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def test1(self):
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" simple SVD case, using defaults "
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indices = ((0,3),(1,3),(2,3))
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vals = (1.0,1.0,2.0,1.5,3.0,1.7)
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u,s,v = cSVD.SparseSVD(indices,vals,3,4)
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assert u.shape==(3,3)
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assert s.shape==(3,)
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assert v is None
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self._checkOrthog(u)
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def test2(self):
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" simple SVD case, changing defaults "
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indices = ((0,3),(1,3),(2,3))
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vals = (1.0,1.0,2.0,1.5,3.0,1.7)
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u,s,v = cSVD.SparseSVD(indices,vals,3,4,3)
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assert u.shape==(3,3)
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assert s.shape==(3,)
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assert v is None
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self._checkOrthog(u)
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u,s,v = cSVD.SparseSVD(indices,vals,3,4,2)
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assert u.shape==(2,3)
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assert s.shape==(2,)
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assert v is None
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self._checkOrthog(u)
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u,s,v = cSVD.SparseSVD(indices,vals,3,4,2,1)
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assert u.shape==(2,3)
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assert s.shape==(2,)
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assert v is not None
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assert v.shape==(2,4)
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self._checkOrthog(u)
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self._checkOrthog(v)
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try:
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u,s,v = cSVD.SparseSVD(indices,vals,3,4,5)
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except ValueError:
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ok=1
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else:
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ok=0
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assert ok
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def test3(self):
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" simple SVD bitmatrix cases "
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indices = ((0,3),(1,3),(2,3))
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u,s,v = cSVD.SparseSVDBitMatrix(indices,3,4)
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assert u.shape==(3,3)
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assert s.shape==(3,)
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assert v is None
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self._checkOrthog(u)
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u,s,v = cSVD.SparseSVDBitMatrix(indices,3,4,2,1)
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assert u.shape==(2,3)
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assert s.shape==(2,)
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assert v is not None
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assert v.shape==(2,4)
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self._checkOrthog(u)
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self._checkOrthog(v)
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def test4(self):
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" SVD with dupes "
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indices = ((0,3),(1,3),(0,3))
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vals = (1.0,1.0,2.0,1.5,1.0,2.0)
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u,s,v = cSVD.SparseSVD(indices,vals,3,4)
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assert u.shape==(3,3)
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assert s.shape==(3,)
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assert v is None
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self._checkOrthog(u)
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if __name__ == '__main__':
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import sys,getopt,re
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doLong=0
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if len(sys.argv) >1:
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args,extras=getopt.getopt(sys.argv[1:],'l')
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for arg,val in args:
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if arg=='-l':
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doLong=1
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sys.argv.remove('-l')
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if doLong:
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for methName in dir(TestCase):
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if re.match('_test',methName):
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newName = re.sub('_test','test',methName)
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exec('TestCase.%s = TestCase.%s'%(newName,methName))
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unittest.main()
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