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 3e5631116f..882a516393 100644 --- a/libavutil/mathematics.h +++ b/libavutil/mathematics.h @@ -38,6 +38,9 @@ #ifndef M_LOG2_10 #define M_LOG2_10 3.32192809488736234787 /* log_2 10 */ #endif +#ifndef M_PHI +#define M_PHI 1.61803398874989484820 /* phi / golden ratio */ +#endif #ifndef M_PI #define M_PI 3.14159265358979323846 /* pi */ #endif |