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

re-enable fast pset1-pstore by introducing a new higher level pstore1 function

Browse Source
This commit is contained in:
Gael Guennebaud
2011-03-02 10:55:44 +01:00
parent 951e238430
commit c8e1b679fa
3 changed files with 27 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Eigen/src/Core/GenericPacketMath.h
View File

@@ -270,6 +270,14 @@ Packet psqrt(const Packet& a) { return sqrt(a); }
* The following functions might not have to be overwritten for vectorized types
***************************************************************************/
/** \internal copy a packet with constant coeficient \a a (e.g., [a,a,a,a]) to \a *to. \a to must be 16 bytes aligned */
// NOTE: this function must really be templated on the packet type (think about different packet types for the same scalar type)
template<typename Packet>
inline void pstore1(typename unpacket_traits<Packet>::type* to, const typename unpacket_traits<Packet>::type& a)
{
pstore(to, pset1<Packet>(a));
}
/** \internal \returns a * b + c (coeff-wise) */
template<typename Packet> inline Packet
pmadd(const Packet& a,