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Remove duplicated temporary in Sparse to Sparse assignment

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This commit is contained in:
Gael Guennebaud 2015-09-01 22:31:30 +02:00
parent 9001f4a46b
commit 0b2412df50
1 changed files with 3 additions and 6 deletions

9
Eigen/src/SparseCore/SparseAssign.h

@ -33,8 +33,9 @@ template<typename Derived>
template<typename OtherDerived>
inline Derived& SparseMatrixBase<Derived>::operator=(const SparseMatrixBase<OtherDerived>& other)
{
// FIXME, by default sparse evaluation do not alias, so we should be able to bypass the generic call_assignment
internal::call_assignment/*_no_alias*/(derived(), other.derived());
// by default sparse evaluation do not alias, so we can safely bypass the generic call_assignment routine
internal::Assignment<Derived,OtherDerived,internal::assign_op<Scalar> >
::run(derived(), other.derived(), internal::assign_op<Scalar>());
return derived();
}
@ -68,8 +69,6 @@ template<> struct AssignmentKind<DenseShape, SparseShape> { typedef S
template<typename DstXprType, typename SrcXprType>
void assign_sparse_to_sparse(DstXprType &dst, const SrcXprType &src)
{
eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols());
typedef typename DstXprType::Scalar Scalar;
typedef typename internal::evaluator<DstXprType>::type DstEvaluatorType;
typedef typename internal::evaluator<SrcXprType>::type SrcEvaluatorType;
@ -129,8 +128,6 @@ struct Assignment<DstXprType, SrcXprType, Functor, Sparse2Sparse, Scalar>
{
static void run(DstXprType &dst, const SrcXprType &src, const internal::assign_op<typename DstXprType::Scalar> &/*func*/)
{
eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols());
assign_sparse_to_sparse(dst.derived(), src.derived());
}
};