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Implement evaluators for sparse times diagonal products.

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Gael Guennebaud
2014-06-27 15:54:44 +02:00
parent ae039dde13
commit 73e686c6a4
3 changed files with 139 additions and 3 deletions
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14
Eigen/src/SparseCore/SparseMatrixBase.h
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@@ -269,6 +269,7 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
const typename SparseSparseProductReturnType<Derived,OtherDerived>::Type
operator*(const SparseMatrixBase<OtherDerived> &other) const;
#ifndef EIGEN_TEST_EVALUATORS
// sparse * diagonal
template<typename OtherDerived>
const SparseDiagonalProduct<Derived,OtherDerived>
@@ -279,6 +280,19 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
const SparseDiagonalProduct<OtherDerived,Derived>
operator*(const DiagonalBase<OtherDerived> &lhs, const SparseMatrixBase& rhs)
{ return SparseDiagonalProduct<OtherDerived,Derived>(lhs.derived(), rhs.derived()); }
#else // EIGEN_TEST_EVALUATORS
// sparse * diagonal
template<typename OtherDerived>
const Product<Derived,OtherDerived>
operator*(const DiagonalBase<OtherDerived> &other) const
{ return Product<Derived,OtherDerived>(derived(), other.derived()); }
// diagonal * sparse
template<typename OtherDerived> friend
const Product<OtherDerived,Derived>
operator*(const DiagonalBase<OtherDerived> &lhs, const SparseMatrixBase& rhs)
{ return Product<OtherDerived,Derived>(lhs.derived(), rhs.derived()); }
#endif // EIGEN_TEST_EVALUATORS
/** dense * sparse (return a dense object unless it is an outer product) */
template<typename OtherDerived> friend