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fix issue #125

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This commit is contained in:
Gael Guennebaud 2010-05-31 22:53:02 +02:00
parent 0bb8688d70
commit c76c8d6917
1 changed files with 6 additions and 4 deletions
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10
Eigen/src/Array/PartialRedux.h
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@ -160,13 +160,15 @@ template<typename ExpressionType, int Direction> class PartialRedux
public:
typedef typename ei_traits<ExpressionType>::Scalar Scalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef typename ei_meta_if<ei_must_nest_by_value<ExpressionType>::ret,
ExpressionType, const ExpressionType&>::ret ExpressionTypeNested;
template<template<typename _Scalar> class Functor> struct ReturnType
template<template<typename _Scalar> class Functor,
typename Scalar = typename ei_traits<ExpressionType>::Scalar> struct ReturnType
{
typedef PartialReduxExpr<ExpressionType,
Functor<typename ei_traits<ExpressionType>::Scalar>,
Functor<Scalar>,
Direction
> Type;
};
@ -217,7 +219,7 @@ template<typename ExpressionType, int Direction> class PartialRedux
* Output: \verbinclude PartialRedux_squaredNorm.out
*
* \sa MatrixBase::squaredNorm() */
const typename ReturnType<ei_member_squaredNorm>::Type squaredNorm() const
const typename ReturnType<ei_member_squaredNorm,RealScalar>::Type squaredNorm() const
{ return _expression(); }
/** \returns a row (or column) vector expression of the norm
@ -227,7 +229,7 @@ template<typename ExpressionType, int Direction> class PartialRedux
* Output: \verbinclude PartialRedux_norm.out
*
* \sa MatrixBase::norm() */
const typename ReturnType<ei_member_norm>::Type norm() const
const typename ReturnType<ei_member_norm,RealScalar>::Type norm() const
{ return _expression(); }
/** \returns a row (or column) vector expression of the sum