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Add missing specialization of evaluator of sub-sparse-matrices that can be seen as a SparseCompressedBase. This changeset enable faster iterator for such expressions.

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This commit is contained in:
Gael Guennebaud 2015-09-01 22:29:17 +02:00
parent f41831e445
commit 9001f4a46b
1 changed files with 18 additions and 0 deletions

18
Eigen/src/SparseCore/SparseBlock.h

@ -535,6 +535,24 @@ public:
inline operator bool() const { return m_outerPos < m_end; }
};
template<typename _Scalar, int _Options, typename _StorageIndex, int BlockRows, int BlockCols>
struct unary_evaluator<Block<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true>, IteratorBased>
: evaluator<SparseCompressedBase<Block<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> > >
{
typedef Block<SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> XprType;
typedef evaluator<SparseCompressedBase<XprType> > Base;
explicit unary_evaluator(const XprType &xpr) : Base(xpr) {}
};
template<typename _Scalar, int _Options, typename _StorageIndex, int BlockRows, int BlockCols>
struct unary_evaluator<Block<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true>, IteratorBased>
: evaluator<SparseCompressedBase<Block<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> > >
{
typedef Block<const SparseMatrix<_Scalar, _Options, _StorageIndex>,BlockRows,BlockCols,true> XprType;
typedef evaluator<SparseCompressedBase<XprType> > Base;
explicit unary_evaluator(const XprType &xpr) : Base(xpr) {}
};
} // end namespace internal