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Implement evaluators for sparse*dense products

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This commit is contained in:
Gael Guennebaud
2014-07-01 17:53:18 +02:00
parent 1e6f53e070
commit 7390af91b6
3 changed files with 252 additions and 118 deletions
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34
Eigen/src/SparseCore/SparseMatrixBase.h
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@@ -282,6 +282,17 @@ 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()); }
/** dense * sparse (return a dense object unless it is an outer product) */
template<typename OtherDerived> friend
const typename DenseSparseProductReturnType<OtherDerived,Derived>::Type
operator*(const MatrixBase<OtherDerived>& lhs, const Derived& rhs)
{ return typename DenseSparseProductReturnType<OtherDerived,Derived>::Type(lhs.derived(),rhs); }
/** sparse * dense (returns a dense object unless it is an outer product) */
template<typename OtherDerived>
const typename SparseDenseProductReturnType<Derived,OtherDerived>::Type
operator*(const MatrixBase<OtherDerived> &other) const;
#else // EIGEN_TEST_EVALUATORS
// sparse * diagonal
template<typename OtherDerived>
@@ -299,18 +310,19 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
template<typename OtherDerived>
const Product<Derived,OtherDerived>
operator*(const SparseMatrixBase<OtherDerived> &other) const;
#endif // EIGEN_TEST_EVALUATORS
/** dense * sparse (return a dense object unless it is an outer product) */
template<typename OtherDerived> friend
const typename DenseSparseProductReturnType<OtherDerived,Derived>::Type
operator*(const MatrixBase<OtherDerived>& lhs, const Derived& rhs)
{ return typename DenseSparseProductReturnType<OtherDerived,Derived>::Type(lhs.derived(),rhs); }
/** sparse * dense (returns a dense object unless it is an outer product) */
// sparse * dense
template<typename OtherDerived>
const typename SparseDenseProductReturnType<Derived,OtherDerived>::Type
operator*(const MatrixBase<OtherDerived> &other) const;
const Product<Derived,OtherDerived>
operator*(const MatrixBase<OtherDerived> &other) const
{ return Product<Derived,OtherDerived>(derived(), other.derived()); }
// dense * sparse
template<typename OtherDerived> friend
const Product<OtherDerived,Derived>
operator*(const MatrixBase<OtherDerived> &lhs, const SparseMatrixBase& rhs)
{ return Product<OtherDerived,Derived>(lhs.derived(), rhs.derived()); }
#endif // EIGEN_TEST_EVALUATORS
/** \returns an expression of P H P^-1 where H is the matrix represented by \c *this */
SparseSymmetricPermutationProduct<Derived,Upper|Lower> twistedBy(const PermutationMatrix<Dynamic,Dynamic,Index>& perm) const