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* Optimization: added a specialization of Block for xpr with DirectAccessBit

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* some simplifications and fixes in cache friendly products
This commit is contained in:
Gael Guennebaud
2008-07-12 22:59:34 +00:00
parent 1bbaea9885
commit 861d18d553
6 changed files with 198 additions and 80 deletions
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5
Eigen/src/Core/util/Constants.h
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@@ -206,6 +206,11 @@ enum {
RowMajor = RowMajorBit
};
enum {
NoDirectAccess = 0,
HasDirectAccess = DirectAccessBit
};
const int FullyCoherentAccessPattern = 0x1;
const int InnerCoherentAccessPattern = 0x2 | FullyCoherentAccessPattern;
const int OuterCoherentAccessPattern = 0x4 | InnerCoherentAccessPattern;

3
Eigen/src/Core/util/ForwardDeclarations.h
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@@ -42,7 +42,8 @@ class Matrix;
template<typename ExpressionType, unsigned int Added, unsigned int Removed> class Flagged;
template<typename ExpressionType> class NestByValue;
template<typename MatrixType> class Minor;
template<typename MatrixType, int BlockRows=Dynamic, int BlockCols=Dynamic> class Block;
template<typename MatrixType, int BlockRows=Dynamic, int BlockCols=Dynamic,
int DirectAccessStatus = ei_traits<MatrixType>::Flags&DirectAccessBit> class Block;
template<typename MatrixType> class Transpose;
template<typename MatrixType> class Conjugate;
template<typename NullaryOp, typename MatrixType> class CwiseNullaryOp;