diff options
| author |  Rasmus Munk Larsen <rmlarsen@google.com> | 2019-09-19 12:48:30 -0700 |
|---|---|---|
| committer | Rasmus Munk Larsen <rmlarsen@google.com> | 2019-09-19 12:48:30 -0700 |
| commit | 6de5ed08d88239080b9381f60f75e5abea731d75 (patch) | |
| tree | af9fcc1e95e23d7faece933d8c7a16a9778147a7 /Eigen/src/Core/arch/AVX | |
| parent | e02d42963750531490a69fc87926b60f32180456 (diff) | |
Add generic PacketMath implementation of the Error Function (erf).
Diffstat (limited to 'Eigen/src/Core/arch/AVX')
| -rw-r--r-- | Eigen/src/Core/arch/AVX/MathFunctions.h | 8 | ||||
| -rw-r--r-- | Eigen/src/Core/arch/AVX/PacketMath.h | 21 |
2 files changed, 19 insertions, 10 deletions
diff --git a/Eigen/src/Core/arch/AVX/MathFunctions.h b/Eigen/src/Core/arch/AVX/MathFunctions.h index c6d3cf6a0..089a682ba 100644 --- a/Eigen/src/Core/arch/AVX/MathFunctions.h +++ b/Eigen/src/Core/arch/AVX/MathFunctions.h @@ -62,6 +62,14 @@ ptanh<Packet8f>(const Packet8f& x) { return internal::generic_fast_tanh_float(x); } +// Error function. +template <> +EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet8f +perf<Packet8f>(const Packet8f& x) { + return internal::generic_fast_erf_float(x); +} + +// Exponential function for doubles. template <> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4d pexp<Packet4d>(const Packet4d& x) { diff --git a/Eigen/src/Core/arch/AVX/PacketMath.h b/Eigen/src/Core/arch/AVX/PacketMath.h index 0472e9850..ed8acfc61 100644 --- a/Eigen/src/Core/arch/AVX/PacketMath.h +++ b/Eigen/src/Core/arch/AVX/PacketMath.h @@ -62,21 +62,22 @@ template<> struct packet_traits<float> : default_packet_traits enum { Vectorizable = 1, AlignedOnScalar = 1, - size=8, + size = 8, HasHalfPacket = 1, - HasDiv = 1, - HasSin = EIGEN_FAST_MATH, - HasCos = EIGEN_FAST_MATH, - HasLog = 1, - HasLog1p = 1, - HasExpm1 = 1, - HasExp = 1, + HasDiv = 1, + HasSin = EIGEN_FAST_MATH, + HasCos = EIGEN_FAST_MATH, + HasLog = 1, + HasLog1p = 1, + HasExpm1 = 1, + HasExp = 1, HasNdtri = 1, - HasBessel = 1, + HasBessel = 1, HasSqrt = 1, HasRsqrt = 1, - HasTanh = EIGEN_FAST_MATH, + HasTanh = EIGEN_FAST_MATH, + HasErf = EIGEN_FAST_MATH, HasBlend = 1, HasRound = 1, HasFloor = 1, |