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backporting 964177 (gcc 3.3 fix)

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This commit is contained in:
Gael Guennebaud 2009-05-06 09:41:36 +00:00
parent 0104c34b7d
commit e47593fb28
1 changed files with 5 additions and 1 deletions
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6
Eigen/src/Array/PartialRedux.h
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@ -61,7 +61,11 @@ struct ei_traits<PartialReduxExpr<MatrixType, MemberOp, Direction> >
Flags = (unsigned int)_MatrixTypeNested::Flags & HereditaryBits,
TraversalSize = Direction==Vertical ? RowsAtCompileTime : ColsAtCompileTime
};
#if EIGEN_GNUC_AT_LEAST(3,4)
typedef typename MemberOp::template Cost<InputScalar,int(TraversalSize)> CostOpType;
#else
typedef typename MemberOp::template Cost<InputScalar,TraversalSize> CostOpType;
#endif
enum {
CoeffReadCost = TraversalSize * ei_traits<_MatrixTypeNested>::CoeffReadCost + int(CostOpType::value)
};
@ -104,7 +108,7 @@ class PartialReduxExpr : ei_no_assignment_operator,
{ enum { value = COST }; }; \
template<typename Derived> \
inline ResultType operator()(const MatrixBase<Derived>& mat) const \
{ return mat.MEMBER(); } \
{ return mat.MEMBER(); } \
}
EIGEN_MEMBER_FUNCTOR(squaredNorm, Size * NumTraits<Scalar>::MulCost + (Size-1)*NumTraits<Scalar>::AddCost);