diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/c99_math.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/c99_math.h b/include/c99_math.h index 147bceed96d..9e31d0693b6 100644 --- a/include/c99_math.h +++ b/include/c99_math.h @@ -202,4 +202,12 @@ llrintf(float f) #endif /* C99 */ +/* + * signbit() is a macro on Linux. Not available on Windows. + */ +#ifndef signbit +#define signbit(x) ((x) < 0.0f) +#endif + + #endif /* #define _C99_MATH_H_ */ |