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author | Yi Kong <yikong@google.com> | 2022-02-25 16:32:14 +0800 |
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committer | Yi Kong <yikong@google.com> | 2022-02-25 15:08:55 +0000 |
commit | 2aab794c004027d008d6b0b64165bf1961d5d2bb (patch) | |
tree | 83bb8f19c67bcafdb2ca4a98414af1b17392ec36 /unsupported/Eigen/src/SpecialFunctions/arch/NEON/BesselFunctions.h | |
parent | ca5aa72016f062fd0712bcb86370478de332bca3 (diff) | |
download | eigen-2aab794c004027d008d6b0b64165bf1961d5d2bb.tar.gz |
Upgrade eigen to 3.4.0
Steps:
* Removed common files between Android copy and the matching upstream copy
* Obtained latest upstream tarball (see README.version)
* Extracted over the directory
Bug: 148287349
Test: presubmit
Change-Id: Iee2744719075fdf000b315e973645923da766111
Diffstat (limited to 'unsupported/Eigen/src/SpecialFunctions/arch/NEON/BesselFunctions.h')
-rw-r--r-- | unsupported/Eigen/src/SpecialFunctions/arch/NEON/BesselFunctions.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/unsupported/Eigen/src/SpecialFunctions/arch/NEON/BesselFunctions.h b/unsupported/Eigen/src/SpecialFunctions/arch/NEON/BesselFunctions.h new file mode 100644 index 000000000..67433b057 --- /dev/null +++ b/unsupported/Eigen/src/SpecialFunctions/arch/NEON/BesselFunctions.h @@ -0,0 +1,54 @@ +#ifndef EIGEN_NEON_BESSELFUNCTIONS_H +#define EIGEN_NEON_BESSELFUNCTIONS_H + +namespace Eigen { +namespace internal { + +#if EIGEN_HAS_ARM64_FP16_VECTOR_ARITHMETIC + +#define NEON_HALF_TO_FLOAT_FUNCTIONS(METHOD) \ +template <> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE \ +Packet8hf METHOD<Packet8hf>(const Packet8hf& x) { \ + const Packet4f lo = METHOD<Packet4f>(vcvt_f32_f16(vget_low_f16(x))); \ + const Packet4f hi = METHOD<Packet4f>(vcvt_f32_f16(vget_high_f16(x))); \ + return vcombine_f16(vcvt_f16_f32(lo), vcvt_f16_f32(hi)); \ +} \ + \ +template <> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE \ +Packet4hf METHOD<Packet4hf>(const Packet4hf& x) { \ + return vcvt_f16_f32(METHOD<Packet4f>(vcvt_f32_f16(x))); \ +} + +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_i0) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_i0e) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_i1) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_i1e) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_j0) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_j1) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_k0) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_k0e) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_k1) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_k1e) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_y0) +NEON_HALF_TO_FLOAT_FUNCTIONS(pbessel_y1) + +#undef NEON_HALF_TO_FLOAT_FUNCTIONS +#endif + +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_i0) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_i0e) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_i1) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_i1e) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_j0) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_j1) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_k0) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_k0e) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_k1) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_k1e) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_y0) +BF16_PACKET_FUNCTION(Packet4f, Packet4bf, pbessel_y1) + +} // namespace internal +} // namespace Eigen + +#endif // EIGEN_NEON_BESSELFUNCTIONS_H |