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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-06-22 18:10:42 +0400 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-06-22 18:10:42 +0400 |
| commit | 15bde060844b7d32af80b352834ba5f33cab55d1 (patch) | |
| tree | 2800bda03099f3c2adee2a8408698b8e5df9084c /libavutil/mathematics.h | |
| parent | 10d2a4028c587758c2c04bfd13af0ed09f6519ef (diff) | |
Revert "mathematics.h: remove a couple of math defines"
This reverts commit a2b186a188c126dd0402414d9e8198ec4df63ebe.
The defines were present for several years, removing
them without a version bump may break API.
(Fixes MPlayer compilation.)
Diffstat (limited to 'libavutil/mathematics.h')
| -rw-r--r-- | libavutil/mathematics.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h index 844747eeb2..93314bae16 100644 --- a/libavutil/mathematics.h +++ b/libavutil/mathematics.h @@ -26,12 +26,30 @@ #include "attributes.h" #include "rational.h" +#ifndef M_E +#define M_E 2.7182818284590452354 /* e */ +#endif +#ifndef M_LN2 +#define M_LN2 0.69314718055994530942 /* log_e 2 */ +#endif +#ifndef M_LN10 +#define M_LN10 2.30258509299404568402 /* log_e 10 */ +#endif #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 +#ifndef M_SQRT1_2 +#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ +#endif +#ifndef M_SQRT2 +#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ +#endif #ifndef NAN #define NAN (0.0/0.0) #endif |