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add mixed sparse-dense outer product

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This commit is contained in:
Gael Guennebaud
2010-06-25 11:36:38 +02:00
parent 1927b4dff5
commit e313826890
4 changed files with 129 additions and 7 deletions
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7
test/sparse_product.cpp
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@@ -46,6 +46,7 @@ template<typename SparseMatrixType> void sparse_product(const SparseMatrixType&
DenseMatrix refMat4 = DenseMatrix::Zero(rows, rows);
DenseMatrix refMat5 = DenseMatrix::Random(rows, rows);
DenseMatrix dm4 = DenseMatrix::Zero(rows, rows);
DenseVector dv1 = DenseVector::Random(rows);
SparseMatrixType m2(rows, rows);
SparseMatrixType m3(rows, rows);
SparseMatrixType m4(rows, rows);
@@ -53,6 +54,8 @@ template<typename SparseMatrixType> void sparse_product(const SparseMatrixType&
initSparse<Scalar>(density, refMat3, m3);
initSparse<Scalar>(density, refMat4, m4);
int c = ei_random<int>(0,rows-1);
VERIFY_IS_APPROX(m4=m2*m3, refMat4=refMat2*refMat3);
VERIFY_IS_APPROX(m4=m2.transpose()*m3, refMat4=refMat2.transpose()*refMat3);
VERIFY_IS_APPROX(m4=m2.transpose()*m3.transpose(), refMat4=refMat2.transpose()*refMat3.transpose());
@@ -77,6 +80,10 @@ template<typename SparseMatrixType> void sparse_product(const SparseMatrixType&
VERIFY_IS_APPROX(dm4=refMat2.transpose()*m3, refMat4=refMat2.transpose()*refMat3);
VERIFY_IS_APPROX(dm4=refMat2.transpose()*m3.transpose(), refMat4=refMat2.transpose()*refMat3.transpose());
// sparse * dense and dense * sparse outer product
VERIFY_IS_APPROX(m4=m2.col(c)*dv1.transpose(), refMat4=refMat2.col(c)*dv1.transpose());
VERIFY_IS_APPROX(m4=dv1*m2.col(c).transpose(), refMat4=dv1*refMat2.col(c).transpose());
VERIFY_IS_APPROX(m3=m3*m3, refMat3=refMat3*refMat3);
}