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Add support to directly evaluate the product of two sparse matrices within a dense matrix.

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This commit is contained in:
Gael Guennebaud
2015-10-26 18:20:00 +01:00
parent a5324a131f
commit e6f8c5c325
5 changed files with 132 additions and 8 deletions
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11
test/sparse_product.cpp
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@@ -76,6 +76,17 @@ template<typename SparseMatrixType> void sparse_product()
VERIFY_IS_APPROX(m4=(m2t.transpose()*m3t.transpose()).pruned(0), refMat4=refMat2t.transpose()*refMat3t.transpose());
VERIFY_IS_APPROX(m4=(m2*m3t.transpose()).pruned(0), refMat4=refMat2*refMat3t.transpose());
// dense ?= sparse * sparse
VERIFY_IS_APPROX(dm4 =m2*m3, refMat4 =refMat2*refMat3);
VERIFY_IS_APPROX(dm4+=m2*m3, refMat4+=refMat2*refMat3);
VERIFY_IS_APPROX(dm4 =m2t.transpose()*m3, refMat4 =refMat2t.transpose()*refMat3);
VERIFY_IS_APPROX(dm4+=m2t.transpose()*m3, refMat4+=refMat2t.transpose()*refMat3);
VERIFY_IS_APPROX(dm4 =m2t.transpose()*m3t.transpose(), refMat4 =refMat2t.transpose()*refMat3t.transpose());
VERIFY_IS_APPROX(dm4+=m2t.transpose()*m3t.transpose(), refMat4+=refMat2t.transpose()*refMat3t.transpose());
VERIFY_IS_APPROX(dm4 =m2*m3t.transpose(), refMat4 =refMat2*refMat3t.transpose());
VERIFY_IS_APPROX(dm4+=m2*m3t.transpose(), refMat4+=refMat2*refMat3t.transpose());
VERIFY_IS_APPROX(dm4 = m2*m3*s1, refMat4 = refMat2*refMat3*s1);
// test aliasing
m4 = m2; refMat4 = refMat2;
VERIFY_IS_APPROX(m4=m4*m3, refMat4=refMat4*refMat3);