diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2013-08-13 14:40:23 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2013-08-13 14:40:23 +0400 |
| commit | 5096beb4a56f601c696aeab5e19c8e171a9b6cb3 (patch) | |
| tree | 29e53305dc307fbbeb8e652ba3d51cfd3b496a64 /source/blender/blenlib/BLI_math_base.h | |
| parent | a8d1c893e8cea727d24f0bd8c64732fadcbcbcf2 (diff) | |
use __builtin_nanf with gcc and clang.
Diffstat (limited to 'source/blender/blenlib/BLI_math_base.h')
| -rw-r--r-- | source/blender/blenlib/BLI_math_base.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/blenlib/BLI_math_base.h b/source/blender/blenlib/BLI_math_base.h index 8e8a7f1fef6..69dbd3253f0 100644 --- a/source/blender/blenlib/BLI_math_base.h +++ b/source/blender/blenlib/BLI_math_base.h @@ -80,9 +80,13 @@ #define MAXFLOAT ((float)3.40282347e+38) #endif +#if defined(__GNUC__) +# define NAN_FLT __builtin_nanf("") +#else /* evil quiet NaN definition */ static const int NAN_INT = 0x7FC00000; -#define NAN_FLT *((float *)(&NAN_INT)) +# define NAN_FLT (*((float *)(&NAN_INT))) +#endif /* do not redefine functions from C99 or POSIX.1-2001 */ #if !(defined(_ISOC99_SOURCE) || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L)) |