mirror/eigen
2
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-01-24 14:45:14 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix #126, part 1/2: fix the return type of coeff() on direcaccess xprs: was amounting to

Browse Source 
const (const Scalar&)

which really doesn't make sense.
This commit is contained in:
Benoit Jacob 2010-06-16 09:21:14 -04:00
parent d0d62e4437
commit 2d1ae6fa08
1 changed files with 15 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
Eigen/src/Core/DenseCoeffsBase.h
View File

@ -33,7 +33,8 @@ class DenseCoeffsBase : public EigenBase<Derived>
typedef typename ei_traits<Derived>::Index Index;
typedef typename ei_traits<Derived>::Scalar Scalar;
typedef typename ei_packet_traits<Scalar>::type PacketScalar;
typedef typename ei_meta_if<ei_has_direct_access<Derived>::ret, const Scalar&, Scalar>::ret CoeffReturnType;
typedef typename ei_meta_if<ei_has_direct_access<Derived>::ret, const Scalar&, const Scalar>::ret CoeffReturnType;
typedef typename ei_makeconst<typename ei_packet_traits<Scalar>::type>::type PacketReturnType;
typedef EigenBase<Derived> Base;
using Base::rows;
@ -71,14 +72,14 @@ class DenseCoeffsBase : public EigenBase<Derived>
*
* \sa operator()(Index,Index) const, coeffRef(Index,Index), coeff(Index) const
*/
EIGEN_STRONG_INLINE const CoeffReturnType coeff(Index row, Index col) const
EIGEN_STRONG_INLINE CoeffReturnType coeff(Index row, Index col) const
{
ei_internal_assert(row >= 0 && row < rows()
&& col >= 0 && col < cols());
return derived().coeff(row, col);
}
EIGEN_STRONG_INLINE const CoeffReturnType coeffByOuterInner(Index outer, Index inner) const
EIGEN_STRONG_INLINE CoeffReturnType coeffByOuterInner(Index outer, Index inner) const
{
return coeff(rowIndexByOuterInner(outer, inner),
colIndexByOuterInner(outer, inner));
@ -88,7 +89,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
*
* \sa operator()(Index,Index), operator[](Index)
*/
EIGEN_STRONG_INLINE const CoeffReturnType operator()(Index row, Index col) const
EIGEN_STRONG_INLINE CoeffReturnType operator()(Index row, Index col) const
{
ei_assert(row >= 0 && row < rows()
&& col >= 0 && col < cols());
@ -110,7 +111,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
* \sa operator[](Index) const, coeffRef(Index), coeff(Index,Index) const
*/
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
coeff(Index index) const
{
ei_internal_assert(index >= 0 && index < size());
@ -126,7 +127,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
* z() const, w() const
*/
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
operator[](Index index) const
{
EIGEN_STATIC_ASSERT(Derived::IsVectorAtCompileTime,
@ -145,7 +146,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
* z() const, w() const
*/
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
operator()(Index index) const
{
ei_assert(index >= 0 && index < size());
@ -154,22 +155,22 @@ class DenseCoeffsBase : public EigenBase<Derived>
/** equivalent to operator[](0). */
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
x() const { return (*this)[0]; }
/** equivalent to operator[](1). */
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
y() const { return (*this)[1]; }
/** equivalent to operator[](2). */
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
z() const { return (*this)[2]; }
/** equivalent to operator[](3). */
EIGEN_STRONG_INLINE const CoeffReturnType
EIGEN_STRONG_INLINE CoeffReturnType
w() const { return (*this)[3]; }
/** \returns the packet of coefficients starting at the given row and column. It is your responsibility
@ -182,8 +183,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
*/
template<int LoadMode>
EIGEN_STRONG_INLINE typename ei_packet_traits<Scalar>::type
packet(Index row, Index col) const
EIGEN_STRONG_INLINE PacketReturnType packet(Index row, Index col) const
{
ei_internal_assert(row >= 0 && row < rows()
&& col >= 0 && col < cols());
@ -192,8 +192,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
template<int LoadMode>
EIGEN_STRONG_INLINE typename ei_packet_traits<Scalar>::type
packetByOuterInner(Index outer, Index inner) const
EIGEN_STRONG_INLINE PacketReturnType packetByOuterInner(Index outer, Index inner) const
{
return packet<LoadMode>(rowIndexByOuterInner(outer, inner),
colIndexByOuterInner(outer, inner));
@ -209,8 +208,7 @@ class DenseCoeffsBase : public EigenBase<Derived>
*/
template<int LoadMode>
EIGEN_STRONG_INLINE typename ei_packet_traits<Scalar>::type
packet(Index index) const
EIGEN_STRONG_INLINE PacketReturnType packet(Index index) const
{
ei_internal_assert(index >= 0 && index < size());
return derived().template packet<LoadMode>(index);
@ -249,7 +247,6 @@ class DenseCoeffsBase<Derived, true> : public DenseCoeffsBase<Derived, false>
typedef typename ei_traits<Derived>::Scalar Scalar;
typedef typename ei_packet_traits<Scalar>::type PacketScalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef typename Base::CoeffReturnType CoeffReturnType;
using Base::coeff;
using Base::rows;