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author | Gael Guennebaud <g.gael@free.fr> | 2014-02-14 14:46:01 +0100 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2014-02-14 14:46:01 +0100 |
commit | 3283d98d1378ccd3a8c89eec1d88108ddd517d95 (patch) | |
tree | 42193cf1b6b7fc3c2051df808aeb03d817e393ea /unsupported/test | |
parent | 0d3f496233ceb0e96da0a39e360e5bdd5c89c0e3 (diff) |
optimize sparse-sparse Kronecker product
Diffstat (limited to 'unsupported/test')
-rw-r--r-- | unsupported/test/kronecker_product.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/unsupported/test/kronecker_product.cpp b/unsupported/test/kronecker_product.cpp index c68a07de8..753a2d417 100644 --- a/unsupported/test/kronecker_product.cpp +++ b/unsupported/test/kronecker_product.cpp @@ -183,4 +183,38 @@ void test_kronecker_product() DM_b2.resize(4,8); DM_ab2 = kroneckerProduct(DM_a2,DM_b2); CALL_SUBTEST(check_dimension(DM_ab2,10*4,9*8)); + + for(int i = 0; i < g_repeat; i++) + { + double density = Eigen::internal::random<double>(0.01,0.5); + int ra = Eigen::internal::random<int>(1,50); + int ca = Eigen::internal::random<int>(1,50); + int rb = Eigen::internal::random<int>(1,50); + int cb = Eigen::internal::random<int>(1,50); + SparseMatrix<float,ColMajor> sA(ra,ca), sB(rb,cb), sC; + SparseMatrix<float,RowMajor> sC2; + MatrixXf dA(ra,ca), dB(rb,cb), dC; + initSparse(density, dA, sA); + initSparse(density, dB, sB); + + sC = kroneckerProduct(sA,sB); + dC = kroneckerProduct(dA,dB); + VERIFY_IS_APPROX(MatrixXf(sC),dC); + + sC = kroneckerProduct(sA.transpose(),sB); + dC = kroneckerProduct(dA.transpose(),dB); + VERIFY_IS_APPROX(MatrixXf(sC),dC); + + sC = kroneckerProduct(sA.transpose(),sB.transpose()); + dC = kroneckerProduct(dA.transpose(),dB.transpose()); + VERIFY_IS_APPROX(MatrixXf(sC),dC); + + sC = kroneckerProduct(sA,sB.transpose()); + dC = kroneckerProduct(dA,dB.transpose()); + VERIFY_IS_APPROX(MatrixXf(sC),dC); + + sC2 = kroneckerProduct(sA,sB); + dC = kroneckerProduct(dA,dB); + VERIFY_IS_APPROX(MatrixXf(sC2),dC); + } } |