diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2012-06-14 10:38:39 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2012-06-14 10:38:39 +0200 |
| commit | a3e700db72300d739605a8b734831b8b644f6272 (patch) | |
| tree | a8cbbe04706c1eec8b9be1dd357b217b8a7c60b1 /Eigen/src/Core/arch/SSE/MathFunctions.h | |
| parent | 324ecf153b9b9ab85297e3087f0376e6c55f78fc (diff) | |
fix bug #475: .exp() now returns +inf when overflow occurs (SSE)
Diffstat (limited to 'Eigen/src/Core/arch/SSE/MathFunctions.h')
| -rw-r--r-- | Eigen/src/Core/arch/SSE/MathFunctions.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Eigen/src/Core/arch/SSE/MathFunctions.h b/Eigen/src/Core/arch/SSE/MathFunctions.h index e00f16e80..de2f06d5f 100644 --- a/Eigen/src/Core/arch/SSE/MathFunctions.h +++ b/Eigen/src/Core/arch/SSE/MathFunctions.h @@ -123,7 +123,7 @@ Packet4f pexp<Packet4f>(const Packet4f& _x) _EIGEN_DECLARE_CONST_Packet4i(0x7f, 0x7f); - _EIGEN_DECLARE_CONST_Packet4f(exp_hi, 88.3762626647949f); + _EIGEN_DECLARE_CONST_Packet4f(exp_hi, 88.3762626647950f); _EIGEN_DECLARE_CONST_Packet4f(exp_lo, -88.3762626647949f); _EIGEN_DECLARE_CONST_Packet4f(cephes_LOG2EF, 1.44269504088896341f); @@ -170,7 +170,7 @@ Packet4f pexp<Packet4f>(const Packet4f& _x) y = pmadd(y, z, x); y = padd(y, p4f_1); - /* build 2^n */ + // build 2^n emm0 = _mm_cvttps_epi32(fx); emm0 = _mm_add_epi32(emm0, p4i_0x7f); emm0 = _mm_slli_epi32(emm0, 23); |