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Implement evaluator for sparse outer products

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Gael Guennebaud
2014-07-19 14:55:56 +02:00
parent 36e6c9064f
commit 3eba5e1101
4 changed files with 163 additions and 9 deletions
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4
Eigen/src/SparseCore/SparseMatrix.h
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@@ -1132,7 +1132,7 @@ EIGEN_DONT_INLINE SparseMatrix<Scalar,_Options,_Index>& SparseMatrix<Scalar,_Opt
{
EIGEN_STATIC_ASSERT((internal::is_same<Scalar, typename OtherDerived::Scalar>::value),
YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY)
const bool needToTranspose = (Flags & RowMajorBit) != (internal::evaluator<OtherDerived>::Flags & RowMajorBit);
if (needToTranspose)
{
@@ -1140,7 +1140,7 @@ EIGEN_DONT_INLINE SparseMatrix<Scalar,_Options,_Index>& SparseMatrix<Scalar,_Opt
// 1 - compute the number of coeffs per dest inner vector
// 2 - do the actual copy/eval
// Since each coeff of the rhs has to be evaluated twice, let's evaluate it if needed
typedef typename internal::nested_eval<OtherDerived,2>::type OtherCopy;
typedef typename internal::nested_eval<OtherDerived,2,typename internal::plain_matrix_type<OtherDerived>::type >::type OtherCopy;
typedef typename internal::remove_all<OtherCopy>::type _OtherCopy;
typedef internal::evaluator<_OtherCopy> OtherCopyEval;
OtherCopy otherCopy(other.derived());