devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Let unpacket_traits<> exposes the required alignment and make use of it everywhere

Browse Source
This commit is contained in:
Gael Guennebaud
2015-08-07 10:44:01 +02:00
parent 2afdef6a54
commit ce57dbd937
18 changed files with 54 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Eigen/src/Core/Matrix.h
View File

@@ -140,13 +140,15 @@ template<typename _Scalar, int _Rows, int _Cols, int _Options, int _MaxRows, int
struct traits<Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols> >
{
private:
// TODO find ideal packet size
typedef typename packet_traits<_Scalar>::type PacketScalar;
enum {
row_major_bit = _Options&RowMajor ? RowMajorBit : 0,
is_dynamic_size_storage = _MaxRows==Dynamic || _MaxCols==Dynamic,
max_size = is_dynamic_size_storage ? Dynamic : _MaxRows*_MaxCols,
default_alignment = compute_default_alignment<_Scalar,max_size>::value,
actual_alignment = ((_Options&DontAlign)==0) ? default_alignment : 0,
required_alignment = packet_traits<_Scalar>::size * sizeof(_Scalar), // FIXME ask packet_traits for the true required alignment
required_alignment = unpacket_traits<PacketScalar>::alignment,
packet_access_bit = packet_traits<_Scalar>::Vectorizable && (actual_alignment>=required_alignment) ? PacketAccessBit : 0
};