diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2015-01-31 09:17:12 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2015-01-31 16:37:55 +0300 |
| commit | 535de7ec1fee94eae1769630b512c6ef4eb5bcad (patch) | |
| tree | ee7b46c0b52e6be07f7763e708ea1be5cc2a70bc /source/blender/blenlib/BLI_math_base.h | |
| parent | 03cb146afa812c95acf0da7f30b3282e71bffcf0 (diff) | |
Comment for math defines, also add M_PI_4
Diffstat (limited to 'source/blender/blenlib/BLI_math_base.h')
| -rw-r--r-- | source/blender/blenlib/BLI_math_base.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/source/blender/blenlib/BLI_math_base.h b/source/blender/blenlib/BLI_math_base.h index 2bc23c8a72d..daa7db8e3cf 100644 --- a/source/blender/blenlib/BLI_math_base.h +++ b/source/blender/blenlib/BLI_math_base.h @@ -42,10 +42,13 @@ #endif #ifndef M_PI -#define M_PI 3.14159265358979323846 +#define M_PI 3.14159265358979323846 /* pi */ #endif #ifndef M_PI_2 -#define M_PI_2 1.57079632679489661923 +#define M_PI_2 1.57079632679489661923 /* pi/2 */ +#endif +#ifndef M_PI_4 +#define M_PI_4 0.78539816339744830962 /* pi/4 */ #endif #ifndef M_SQRT2 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ @@ -60,22 +63,22 @@ #define M_SQRT1_3 0.57735026918962576450 /* 1/sqrt(3) */ #endif #ifndef M_1_PI -#define M_1_PI 0.318309886183790671538 +#define M_1_PI 0.318309886183790671538 /* 1/pi */ #endif #ifndef M_E -#define M_E 2.7182818284590452354 +#define M_E 2.7182818284590452354 /* e */ #endif #ifndef M_LOG2E -#define M_LOG2E 1.4426950408889634074 +#define M_LOG2E 1.4426950408889634074 /* log_2 e */ #endif #ifndef M_LOG10E -#define M_LOG10E 0.43429448190325182765 +#define M_LOG10E 0.43429448190325182765 /* log_10 e */ #endif #ifndef M_LN2 -#define M_LN2 0.69314718055994530942 +#define M_LN2 0.69314718055994530942 /* log_e 2 */ #endif #ifndef M_LN10 -#define M_LN10 2.30258509299404568402 +#define M_LN10 2.30258509299404568402 /* log_e 10 */ #endif #if defined(__GNUC__) |