devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Refactor TriangularView to handle both dense and sparse objects. Introduce a glu_shape<S1,S2> helper to assemble sparse/dense shapes with triagular/seladjoint views.

Browse Source
This commit is contained in:
Gael Guennebaud
2014-07-22 11:35:56 +02:00
parent 2a251ffab0
commit 6daa6a0d16
15 changed files with 520 additions and 284 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
Eigen/src/SparseCore/MappedSparseMatrix.h
View File

@@ -176,6 +176,34 @@ class MappedSparseMatrix<Scalar,_Flags,_Index>::ReverseInnerIterator
const Index m_end;
};
#ifdef EIGEN_ENABLE_EVALUATORS
namespace internal {
template<typename _Scalar, int _Options, typename _Index>
struct evaluator<MappedSparseMatrix<_Scalar,_Options,_Index> >
: evaluator_base<MappedSparseMatrix<_Scalar,_Options,_Index> >
{
typedef MappedSparseMatrix<_Scalar,_Options,_Index> MappedSparseMatrixType;
typedef typename MappedSparseMatrixType::InnerIterator InnerIterator;
typedef typename MappedSparseMatrixType::ReverseInnerIterator ReverseInnerIterator;
enum {
CoeffReadCost = NumTraits<_Scalar>::ReadCost,
Flags = MappedSparseMatrixType::Flags
};
evaluator() : m_matrix(0) {}
evaluator(const MappedSparseMatrixType &mat) : m_matrix(&mat) {}
operator MappedSparseMatrixType&() { return m_matrix->const_cast_derived(); }
operator const MappedSparseMatrixType&() const { return *m_matrix; }
const MappedSparseMatrixType *m_matrix;
};
}
#endif
} // end namespace Eigen
#endif // EIGEN_MAPPED_SPARSEMATRIX_H