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namespace Eigen {
namespace internal {
const static Packet16uc p16uc_SETCOMPLEX32_FIRST = { 0, 1, 2, 3,
16, 17, 18, 19,
4, 5, 6, 7,
20, 21, 22, 23};
const static Packet16uc p16uc_SETCOMPLEX32_SECOND = { 8, 9, 10, 11,
24, 25, 26, 27,
12, 13, 14, 15,
28, 29, 30, 31};
//[a,b],[ai,bi] = [a,ai] - This is equivalent to p16uc_GETREAL64
const static Packet16uc p16uc_SETCOMPLEX64_FIRST = { 0, 1, 2, 3, 4, 5, 6, 7,
16, 17, 18, 19, 20, 21, 22, 23};
//[a,b],[ai,bi] = [b,bi] - This is equivalent to p16uc_GETIMAG64
const static Packet16uc p16uc_SETCOMPLEX64_SECOND = { 8, 9, 10, 11, 12, 13, 14, 15,
24, 25, 26, 27, 28, 29, 30, 31};
// Grab two decouples real/imaginary PacketBlocks and return two coupled (real/imaginary pairs) PacketBlocks.
template<typename Packet, typename Packetc>
EIGEN_STRONG_INLINE void bcouple(PacketBlock<Packet,4>& taccReal, PacketBlock<Packet,4>& taccImag, PacketBlock<Packetc,8>& tRes, PacketBlock<Packetc, 4>& acc1, PacketBlock<Packetc, 4>& acc2)
{
acc1.packet[0].v = vec_perm(taccReal.packet[0], taccImag.packet[0], p16uc_SETCOMPLEX32_FIRST);
acc1.packet[1].v = vec_perm(taccReal.packet[1], taccImag.packet[1], p16uc_SETCOMPLEX32_FIRST);
acc1.packet[2].v = vec_perm(taccReal.packet[2], taccImag.packet[2], p16uc_SETCOMPLEX32_FIRST);
acc1.packet[3].v = vec_perm(taccReal.packet[3], taccImag.packet[3], p16uc_SETCOMPLEX32_FIRST);
acc2.packet[0].v = vec_perm(taccReal.packet[0], taccImag.packet[0], p16uc_SETCOMPLEX32_SECOND);
acc2.packet[1].v = vec_perm(taccReal.packet[1], taccImag.packet[1], p16uc_SETCOMPLEX32_SECOND);
acc2.packet[2].v = vec_perm(taccReal.packet[2], taccImag.packet[2], p16uc_SETCOMPLEX32_SECOND);
acc2.packet[3].v = vec_perm(taccReal.packet[3], taccImag.packet[3], p16uc_SETCOMPLEX32_SECOND);
acc1.packet[0] = padd<Packetc>(tRes.packet[0], acc1.packet[0]);
acc1.packet[1] = padd<Packetc>(tRes.packet[1], acc1.packet[1]);
acc1.packet[2] = padd<Packetc>(tRes.packet[2], acc1.packet[2]);
acc1.packet[3] = padd<Packetc>(tRes.packet[3], acc1.packet[3]);
acc2.packet[0] = padd<Packetc>(tRes.packet[4], acc2.packet[0]);
acc2.packet[1] = padd<Packetc>(tRes.packet[5], acc2.packet[1]);
acc2.packet[2] = padd<Packetc>(tRes.packet[6], acc2.packet[2]);
acc2.packet[3] = padd<Packetc>(tRes.packet[7], acc2.packet[3]);
}
template<>
EIGEN_STRONG_INLINE void bcouple<Packet2d, Packet1cd>(PacketBlock<Packet2d,4>& taccReal, PacketBlock<Packet2d,4>& taccImag, PacketBlock<Packet1cd,8>& tRes, PacketBlock<Packet1cd, 4>& acc1, PacketBlock<Packet1cd, 4>& acc2)
{
acc1.packet[0].v = vec_perm(taccReal.packet[0], taccImag.packet[0], p16uc_SETCOMPLEX64_FIRST);
acc1.packet[1].v = vec_perm(taccReal.packet[1], taccImag.packet[1], p16uc_SETCOMPLEX64_FIRST);
acc1.packet[2].v = vec_perm(taccReal.packet[2], taccImag.packet[2], p16uc_SETCOMPLEX64_FIRST);
acc1.packet[3].v = vec_perm(taccReal.packet[3], taccImag.packet[3], p16uc_SETCOMPLEX64_FIRST);
acc2.packet[0].v = vec_perm(taccReal.packet[0], taccImag.packet[0], p16uc_SETCOMPLEX64_SECOND);
acc2.packet[1].v = vec_perm(taccReal.packet[1], taccImag.packet[1], p16uc_SETCOMPLEX64_SECOND);
acc2.packet[2].v = vec_perm(taccReal.packet[2], taccImag.packet[2], p16uc_SETCOMPLEX64_SECOND);
acc2.packet[3].v = vec_perm(taccReal.packet[3], taccImag.packet[3], p16uc_SETCOMPLEX64_SECOND);
acc1.packet[0] = padd<Packet1cd>(tRes.packet[0], acc1.packet[0]);
acc1.packet[1] = padd<Packet1cd>(tRes.packet[1], acc1.packet[1]);
acc1.packet[2] = padd<Packet1cd>(tRes.packet[2], acc1.packet[2]);
acc1.packet[3] = padd<Packet1cd>(tRes.packet[3], acc1.packet[3]);
acc2.packet[0] = padd<Packet1cd>(tRes.packet[4], acc2.packet[0]);
acc2.packet[1] = padd<Packet1cd>(tRes.packet[5], acc2.packet[1]);
acc2.packet[2] = padd<Packet1cd>(tRes.packet[6], acc2.packet[2]);
acc2.packet[3] = padd<Packet1cd>(tRes.packet[7], acc2.packet[3]);
}
// This is necessary because ploadRhs for double returns a pair of vectors when MMA is enabled.
template<typename Scalar, typename Packet>
EIGEN_STRONG_INLINE Packet ploadRhs(const Scalar *rhs)
{
return *((Packet *)rhs);
}
} // end namespace internal
} // end namespace Eigen
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