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* remove EnforceAlignedAccess option to Block, VectorBlock, Map and MapBase

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because thanks to the previous commit this is not needed anymore
* add a more general ForceAlignedAccess expression which can be used for any expression.
  It is already used by StableNorm.h.
This commit is contained in:
Gael Guennebaud
2009-11-20 16:30:14 +01:00
parent eb8f450071
commit 4af1753b6f
10 changed files with 182 additions and 96 deletions
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19
Eigen/src/Core/VectorBlock.h
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@@ -32,10 +32,6 @@
*
* \param VectorType the type of the object in which we are taking a sub-vector
* \param Size size of the sub-vector we are taking at compile time (optional)
* \param _PacketAccess allows to enforce aligned loads and stores if set to ForceAligned.
* The default is AsRequested. This parameter is internaly used by Eigen
* in expressions such as \code mat.segment() += other; \endcode and most of
* the time this is the only way it is used.
*
* This class represents an expression of either a fixed-size or dynamic-size sub-vector.
* It is the return type of MatrixBase::segment(int,int) and MatrixBase::segment<int>(int) and
@@ -59,25 +55,22 @@
*
* \sa class Block, MatrixBase::segment(int,int,int,int), MatrixBase::segment(int,int)
*/
template<typename VectorType, int Size, int _PacketAccess>
struct ei_traits<VectorBlock<VectorType, Size, _PacketAccess> >
template<typename VectorType, int Size>
struct ei_traits<VectorBlock<VectorType, Size> >
: public ei_traits<Block<VectorType,
ei_traits<VectorType>::RowsAtCompileTime==1 ? 1 : Size,
ei_traits<VectorType>::ColsAtCompileTime==1 ? 1 : Size,
_PacketAccess> >
ei_traits<VectorType>::ColsAtCompileTime==1 ? 1 : Size> >
{
};
template<typename VectorType, int Size, int PacketAccess> class VectorBlock
template<typename VectorType, int Size> class VectorBlock
: public Block<VectorType,
ei_traits<VectorType>::RowsAtCompileTime==1 ? 1 : Size,
ei_traits<VectorType>::ColsAtCompileTime==1 ? 1 : Size,
PacketAccess>
ei_traits<VectorType>::ColsAtCompileTime==1 ? 1 : Size>
{
typedef Block<VectorType,
ei_traits<VectorType>::RowsAtCompileTime==1 ? 1 : Size,
ei_traits<VectorType>::ColsAtCompileTime==1 ? 1 : Size,
PacketAccess> _Base;
ei_traits<VectorType>::ColsAtCompileTime==1 ? 1 : Size> _Base;
enum {
IsColVector = ei_traits<VectorType>::ColsAtCompileTime==1
};