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Enable vectorization of pack_rhs with a column-major RHS.

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Rename and generalize Kernel<*> to PacketBlock<*,N>.
This commit is contained in:
Gael Guennebaud
2014-04-25 10:56:18 +02:00
parent b0e19db1cf
commit 3d8d0f6269
11 changed files with 64 additions and 43 deletions
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10
Eigen/src/Core/GenericPacketMath.h
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@@ -417,15 +417,15 @@ template<> inline std::complex<double> pmul(const std::complex<double>& a, const
/***************************************************************************
* Kernel, that is a collection of N packets where N is the number of words
* in the packet.
* PacketBlock, that is a collection of N packets where the number of words
* in the packet is a multiple of N.
***************************************************************************/
template <typename Packet> struct Kernel {
Packet packet[unpacket_traits<Packet>::size];
template <typename Packet,int N=unpacket_traits<Packet>::size> struct PacketBlock {
Packet packet[N];
};
template<typename Packet> EIGEN_DEVICE_FUNC inline void
ptranspose(Kernel<Packet>& /*kernel*/) {
ptranspose(PacketBlock<Packet,1>& /*kernel*/) {
// Nothing to do in the scalar case, i.e. a 1x1 matrix.
}