diff options
Diffstat (limited to 'libavutil/mathematics.h')
-rw-r--r-- | libavutil/mathematics.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h index 244baca020..79d3f76ab6 100644 --- a/libavutil/mathematics.h +++ b/libavutil/mathematics.h @@ -34,6 +34,9 @@ #ifndef M_LN10 #define M_LN10 2.30258509299404568402 /* log_e 10 */ #endif +#ifndef M_PI +#define M_PI 3.14159265358979323846 /* pi */ +#endif #ifndef M_SQRT1_2 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ #endif |