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Add missing functions for Packet8bf in Altivec architecture.

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Including new tests for bfloat16 Packets.
Fix prsqrt on GenericPacketMath.
This commit is contained in:
Pedro Caldeira
2020-08-21 17:52:34 -05:00
parent 85428a3440
commit 35d149e34c
4 changed files with 141 additions and 5 deletions
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3
Eigen/src/Core/GenericPacketMath.h
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@@ -612,7 +612,8 @@ Packet psqrt(const Packet& a) { EIGEN_USING_STD_MATH(sqrt); return sqrt(a); }
/** \internal \returns the reciprocal square-root of \a a (coeff-wise) */
template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Packet prsqrt(const Packet& a) {
return pdiv(pset1<Packet>(1), psqrt(a));
typedef typename internal::unpacket_traits<Packet>::type Scalar;
return pdiv(pset1<Packet>(Scalar(1)), psqrt(a));
}
/** \internal \returns the rounded value of \a a (coeff-wise) */