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Fix bug #611: diag * sparse * diag

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This commit is contained in:
Gael Guennebaud 2013-07-05 22:42:46 +02:00
parent 9b9177f1ce
commit 4f14b3fa72
2 changed files with 7 additions and 1 deletions
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6
Eigen/src/SparseCore/SparseDiagonalProduct.h
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@ -78,7 +78,11 @@ class SparseDiagonalProduct
EIGEN_SPARSE_PUBLIC_INTERFACE(SparseDiagonalProduct)
typedef internal::sparse_diagonal_product_inner_iterator_selector
<_LhsNested,_RhsNested,SparseDiagonalProduct,LhsMode,RhsMode> InnerIterator;
<_LhsNested,_RhsNested,SparseDiagonalProduct,LhsMode,RhsMode> InnerIterator;
// We do not want ReverseInnerIterator for diagonal-sparse products,
// but this dummy declaration is needed to make diag * sparse * diag compile.
class ReverseInnerIterator;
EIGEN_STRONG_INLINE SparseDiagonalProduct(const Lhs& lhs, const Rhs& rhs)
: m_lhs(lhs), m_rhs(rhs)

2
test/sparse_product.cpp
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@ -161,6 +161,8 @@ template<typename SparseMatrixType> void sparse_product()
VERIFY_IS_APPROX(m3=v2.asDiagonal()*m2, refM3=v2.asDiagonal()*refM2);
VERIFY_IS_APPROX(m3=v1.asDiagonal()*m2.transpose(), refM3=v1.asDiagonal()*refM2.transpose());
VERIFY_IS_APPROX(m3=v2.asDiagonal()*m2*v1.asDiagonal(), refM3=v2.asDiagonal()*refM2*v1.asDiagonal());
// evaluate to a dense matrix to check the .row() and .col() iterator functions
VERIFY_IS_APPROX(d3=m2*d1, refM3=refM2*d1);
VERIFY_IS_APPROX(d3=m2.transpose()*d2, refM3=refM2.transpose()*d2);