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* fix multiple temporary copies for coeff based products

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* introduce a lazy product version of the coefficient based implementation
  => flagged is not used anymore
  => small outer product are now lazy by default (aliasing is really unlikely for outer products)
This commit is contained in:
Gael Guennebaud
2010-02-09 11:05:39 +01:00
parent 0398e21198
commit 5686eca7b1
8 changed files with 75 additions and 49 deletions
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2
Eigen/src/Core/util/Constants.h
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@@ -269,6 +269,6 @@ namespace Architecture
enum DenseStorageMatrix {};
enum DenseStorageArray {};
enum { OuterProduct, InnerProduct, CoeffBasedProduct, GemvProduct, GemmProduct };
enum { CoeffBasedProductMode, LazyCoeffBasedProductMode, OuterProduct, InnerProduct, GemvProduct, GemmProduct };
#endif // EIGEN_CONSTANTS_H

5
Eigen/src/Core/util/ForwardDeclarations.h
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@@ -49,9 +49,10 @@ template<typename NullaryOp, typename MatrixType> class CwiseNullaryOp;
template<typename UnaryOp, typename MatrixType> class CwiseUnaryOp;
template<typename ViewOp, typename MatrixType> class CwiseUnaryView;
template<typename BinaryOp, typename Lhs, typename Rhs> class CwiseBinaryOp;
template<typename BinOp, typename MatrixType> class SelfCwiseBinaryOp;
template<typename BinOp, typename MatrixType> class SelfCwiseBinaryOp;
template<typename Derived, typename Lhs, typename Rhs> class ProductBase;
template<typename Lhs, typename Rhs, int Mode> class GeneralProduct;
template<typename Lhs, typename Rhs, int Mode> class GeneralProduct;
template<typename Lhs, typename Rhs, int NestingFlags> class CoeffBasedProduct;
template<typename Derived> class DiagonalBase;
template<typename _DiagonalVectorType> class DiagonalWrapper;

1
Eigen/src/Core/util/StaticAssert.h
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@@ -61,6 +61,7 @@
THIS_METHOD_IS_ONLY_FOR_VECTORS_OF_A_SPECIFIC_SIZE,
THIS_METHOD_IS_ONLY_FOR_MATRICES_OF_A_SPECIFIC_SIZE,
YOU_MADE_A_PROGRAMMING_MISTAKE,
EIGEN_INTERNAL_COMPILATION_ERROR_OR_YOU_MADE_A_PROGRAMMING_MISTAKE,
YOU_CALLED_A_FIXED_SIZE_METHOD_ON_A_DYNAMIC_SIZE_MATRIX_OR_VECTOR,
YOU_CALLED_A_DYNAMIC_SIZE_METHOD_ON_A_FIXED_SIZE_MATRIX_OR_VECTOR,
UNALIGNED_LOAD_AND_STORE_OPERATIONS_UNIMPLEMENTED_ON_ALTIVEC,