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| author |  Gael Guennebaud <g.gael@free.fr> | 2015-09-01 22:29:17 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2015-09-01 22:29:17 +0200 |
| commit | 9001f4a46b62344d9d0e589de1ad0e7b3413b479 (patch) | |
| tree | 7b3d7a788917c652c6bbaeb576d069788b85f394 /Eigen/src/SparseCore/SparseBlock.h | |
| parent | f41831e445f3fdd9dc324561135b2a19eafd9a56 (diff) | |
Add missing specialization of evaluator of sub-sparse-matrices that can be seen as a SparseCompressedBase. This changeset enable faster iterator for such expressions.
Diffstat (limited to 'Eigen/src/SparseCore/SparseBlock.h')
| -rw-r--r-- | Eigen/src/SparseCore/SparseBlock.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Eigen/src/SparseCore/SparseBlock.h b/Eigen/src/SparseCore/SparseBlock.h index b41e8f15d..333cc6655 100644 --- a/Eigen/src/SparseCore/SparseBlock.h +++ b/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
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