devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Updated pfrexp implementation.

Browse Source 
The original implementation fails for 0, denormals, inf, and NaN.

See #2150
This commit is contained in:
Antonio Sanchez
2021-02-12 11:32:29 -08:00
committed by Rasmus Munk Larsen
parent 9ad4096ccb
commit 7ff0b7a980
9 changed files with 225 additions and 144 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Eigen/src/Core/arch/NEON/PacketMath.h
View File

@@ -2402,14 +2402,14 @@ template<> EIGEN_STRONG_INLINE Packet2l pabs(const Packet2l& a) {
template<> EIGEN_STRONG_INLINE Packet2ul pabs(const Packet2ul& a) { return a; }
template<> EIGEN_STRONG_INLINE Packet2f pfrexp<Packet2f>(const Packet2f& a, Packet2f& exponent)
{ return pfrexp_float(a,exponent); }
{ return pfrexp_generic(a,exponent); }
template<> EIGEN_STRONG_INLINE Packet4f pfrexp<Packet4f>(const Packet4f& a, Packet4f& exponent)
{ return pfrexp_float(a,exponent); }
{ return pfrexp_generic(a,exponent); }
template<> EIGEN_STRONG_INLINE Packet2f pldexp<Packet2f>(const Packet2f& a, const Packet2f& exponent)
{ return pldexp_float(a,exponent); }
{ return pldexp_generic(a,exponent); }
template<> EIGEN_STRONG_INLINE Packet4f pldexp<Packet4f>(const Packet4f& a, const Packet4f& exponent)
{ return pldexp_float(a,exponent); }
{ return pldexp_generic(a,exponent); }
template<> EIGEN_STRONG_INLINE float predux<Packet2f>(const Packet2f& a) { return vget_lane_f32(vpadd_f32(a,a), 0); }
template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a)
@@ -3907,10 +3907,10 @@ template<> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet2d pselect( const Packet2
{ return vbslq_f64(vreinterpretq_u64_f64(mask), a, b); }
template<> EIGEN_STRONG_INLINE Packet2d pldexp<Packet2d>(const Packet2d& a, const Packet2d& exponent)
{ return pldexp_double(a, exponent); }
{ return pldexp_generic(a, exponent); }
template<> EIGEN_STRONG_INLINE Packet2d pfrexp<Packet2d>(const Packet2d& a, Packet2d& exponent)
{ return pfrexp_double(a,exponent); }
{ return pfrexp_generic(a,exponent); }
template<> EIGEN_STRONG_INLINE Packet2d pset1frombits<Packet2d>(uint64_t from)
{ return vreinterpretq_f64_u64(vdupq_n_u64(from)); }