diff options
| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2017-08-24 15:32:56 +0300 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2017-09-04 15:04:22 +0300 |
| commit | 95d871c1a2a32cc4c1d7afe0cffc777fc45b9421 (patch) | |
| tree | f8c2dea85e5991c90ddaa98e9f7d025a9e2611ab | |
| parent | 4b90830cac85761587e5cc596f653c97c1ada64c (diff) | |
Cycles: FIx issue with -0 being considered a non-finite value
| -rw-r--r-- | intern/cycles/util/util_math.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h index b719640b19c..d28f2ba436b 100644 --- a/intern/cycles/util/util_math.h +++ b/intern/cycles/util/util_math.h @@ -223,7 +223,7 @@ ccl_device_inline bool isfinite_safe(float f) { /* By IEEE 754 rule, 2*Inf equals Inf */ unsigned int x = __float_as_uint(f); - return (f == f) && (x == 0 || (f != 2.0f*f)) && !((x << 1) > 0xff000000u); + return (f == f) && (x == 0 || x == (1 << 31) || (f != 2.0f*f)) && !((x << 1) > 0xff000000u); } ccl_device_inline float ensure_finite(float v) |