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

Fix bug #859: pexp(NaN) returned Inf instead of NaN

Browse Source
This commit is contained in:
Gael Guennebaud
2014-10-20 11:38:51 +02:00
parent a72eabec9b
commit 00ec1629ca
4 changed files with 27 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Eigen/src/Core/arch/SSE/MathFunctions.h
View File

@@ -166,7 +166,7 @@ Packet4f pexp<Packet4f>(const Packet4f& _x)
emm0 = _mm_cvttps_epi32(fx);
emm0 = _mm_add_epi32(emm0, p4i_0x7f);
emm0 = _mm_slli_epi32(emm0, 23);
return pmul(y, _mm_castsi128_ps(emm0));
return pmax(pmul(y, Packet4f(_mm_castsi128_ps(emm0))), _x);
}
template<> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED
Packet2d pexp<Packet2d>(const Packet2d& _x)