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Replicate now makes use of the cost model to evaluate its nested expression

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(transplanted from 311c5b87a3cba60dd83273212228b5ce800d398c
)
This commit is contained in:
Gael Guennebaud 2012-04-06 00:22:13 +02:00
parent 057254381d
commit 360a79d6f8
1 changed files with 7 additions and 2 deletions
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9
Eigen/src/Core/Replicate.h
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@ -48,7 +48,10 @@ struct traits<Replicate<MatrixType,RowFactor,ColFactor> >
typedef typename MatrixType::Scalar Scalar;
typedef typename traits<MatrixType>::StorageKind StorageKind;
typedef typename traits<MatrixType>::XprKind XprKind;
typedef typename nested<MatrixType>::type MatrixTypeNested;
enum {
Factor = (RowFactor==Dynamic || ColFactor==Dynamic) ? Dynamic : RowFactor*ColFactor
};
typedef typename nested<MatrixType,Factor>::type MatrixTypeNested;
typedef typename remove_reference<MatrixTypeNested>::type _MatrixTypeNested;
enum {
RowsAtCompileTime = RowFactor==Dynamic || int(MatrixType::RowsAtCompileTime)==Dynamic
@ -72,6 +75,8 @@ struct traits<Replicate<MatrixType,RowFactor,ColFactor> >
template<typename MatrixType,int RowFactor,int ColFactor> class Replicate
: public internal::dense_xpr_base< Replicate<MatrixType,RowFactor,ColFactor> >::type
{
typedef typename internal::traits<Replicate>::MatrixTypeNested MatrixTypeNested;
typedef typename internal::traits<Replicate>::_MatrixTypeNested _MatrixTypeNested;
public:
typedef typename internal::dense_xpr_base<Replicate>::type Base;
@ -124,7 +129,7 @@ template<typename MatrixType,int RowFactor,int ColFactor> class Replicate
protected:
const typename MatrixType::Nested m_matrix;
const MatrixTypeNested m_matrix;
const internal::variable_if_dynamic<Index, RowFactor> m_rowFactor;
const internal::variable_if_dynamic<Index, ColFactor> m_colFactor;
};