diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_base_inline.c')
-rw-r--r-- | source/blender/blenlib/intern/math_base_inline.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_base_inline.c b/source/blender/blenlib/intern/math_base_inline.c index e6217329145..39116d6f30f 100644 --- a/source/blender/blenlib/intern/math_base_inline.c +++ b/source/blender/blenlib/intern/math_base_inline.c @@ -44,6 +44,24 @@ # define UNLIKELY(x) (x) #endif +/* powf is really slow for raising to integer powers. */ +MINLINE float pow2f(float x) +{ + return x * x; +} +MINLINE float pow3f(float x) +{ + return pow2f(x) * x; +} +MINLINE float pow4f(float x) +{ + return pow2f(pow2f(x)); +} +MINLINE float pow7f(float x) +{ + return pow2f(pow3f(x)) * x; +} + MINLINE float sqrt3f(float f) { if (UNLIKELY(f == 0.0f)) return 0.0f; |