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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-07-22 22:05:21 +0000 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-07-22 22:05:21 +0000 |
| commit | 448524777a738374dc73b4222f9b3b435c303664 (patch) | |
| tree | 028e20ca510417311a5337bf2f5ccfe692c01742 /libavutil/mathematics.h | |
| parent | d292c3455e05c8292495649c8028cab0b4bd519c (diff) | |
Add the M_PHI constant, contains an approximation of the golden ratio
irrational number.
Originally committed as revision 24439 to svn://svn.ffmpeg.org/ffmpeg/trunk
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 |