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Improve counting of sparse temporaries

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This commit is contained in:
Gael Guennebaud
2015-10-06 11:32:02 +02:00
parent 1879917d35
commit 6100d1ae64
2 changed files with 12 additions and 4 deletions
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11
Eigen/src/SparseCore/SparseMatrix.h
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@@ -665,8 +665,15 @@ class SparseMatrix
YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY)
check_template_parameters();
const bool needToTranspose = (Flags & RowMajorBit) != (internal::evaluator<OtherDerived>::Flags & RowMajorBit);
if (needToTranspose) *this = other.derived();
else internal::call_assignment_no_alias(*this, other.derived());
if (needToTranspose)
*this = other.derived();
else
{
#ifdef EIGEN_SPARSE_CREATE_TEMPORARY_PLUGIN
EIGEN_SPARSE_CREATE_TEMPORARY_PLUGIN
#endif
internal::call_assignment_no_alias(*this, other.derived());
}
}
/** Constructs a sparse matrix from the sparse selfadjoint view \a other */