diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_base_inline.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_base_inline.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_base_inline.c b/source/blender/blenlib/intern/math_base_inline.c index 6481fac5a14..2a7c091d1b9 100644 --- a/source/blender/blenlib/intern/math_base_inline.c +++ b/source/blender/blenlib/intern/math_base_inline.c @@ -192,6 +192,13 @@ MINLINE double ratiod(double min, double max, double pos) return range == 0 ? 0 : ((pos - min) / range); } +/* Map a normalized value, i.e. from interval [0, 1] to interval [a, b] */ +MINLINE float scalenorm(float a, float b, float x) +{ + BLI_assert(x <= 1 && x >= 0); + return (x * (b - a)) + a; +} + /* used for zoom values*/ MINLINE float power_of_2(float val) { |