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Fix NaN propagation for AVX512.

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This commit is contained in:
Rasmus Munk Larsen 2017-01-24 13:37:08 -08:00
parent 5e144bbaa4
commit 7b6aaa3440
1 changed files with 8 additions and 4 deletions
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12
Eigen/src/Core/arch/AVX512/PacketMath.h
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@ -230,23 +230,27 @@ EIGEN_STRONG_INLINE Packet8d pmadd(const Packet8d& a, const Packet8d& b,
template <>
EIGEN_STRONG_INLINE Packet16f pmin<Packet16f>(const Packet16f& a,
const Packet16f& b) {
return _mm512_min_ps(a, b);
// Arguments are reversed to match NaN propagation behavior of std::min.
return _mm512_min_ps(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet8d pmin<Packet8d>(const Packet8d& a,
const Packet8d& b) {
return _mm512_min_pd(a, b);
// Arguments are reversed to match NaN propagation behavior of std::min.
return _mm512_min_pd(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet16f pmax<Packet16f>(const Packet16f& a,
const Packet16f& b) {
return _mm512_max_ps(a, b);
// Arguments are reversed to match NaN propagation behavior of std::max.
return _mm512_max_ps(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet8d pmax<Packet8d>(const Packet8d& a,
const Packet8d& b) {
return _mm512_max_pd(a, b);
// Arguments are reversed to match NaN propagation behavior of std::max.
return _mm512_max_pd(b, a);
}
template <>