diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2019-02-03 08:54:47 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2019-02-03 08:54:47 +0100 |
| commit | 871e2e5339476ae3f7efe63a0156507fd10c73d7 (patch) | |
| tree | 00600e392fa5e257b34fbb6a559638d550b0e51f /Eigen | |
| parent | e7b481ea7460e29e7cefd2d5c5bf527e163bb7f7 (diff) | |
bug #1674: disable GCC's unsafe-math-optimizations in sin/cos vectorization (results are completely wrong otherwise)
Diffstat (limited to 'Eigen')
| -rw-r--r-- | Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h b/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h index ce3f0fc68..693dd55ea 100644 --- a/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h +++ b/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h @@ -319,6 +319,9 @@ inline float trig_reduce_huge (float xf, int *quadrant) template<bool ComputeSine,typename Packet> EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED +#if EIGEN_GNUC_AT_LEAST(4,4) +__attribute__((optimize("-fno-unsafe-math-optimizations"))) +#endif Packet psincos_float(const Packet& _x) { typedef typename unpacket_traits<Packet>::integer_packet PacketI; |