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| author | Germano Cavalcante <germano.costa@ig.com.br> | 2021-08-04 16:38:03 +0300 |
|---|---|---|
| committer | Germano Cavalcante <germano.costa@ig.com.br> | 2021-08-04 16:46:54 +0300 |
| commit | e5d4a0c5596daaae14251872755df1e71e54e108 (patch) | |
| tree | 06ca2a1ab68e7c701d7fff1ee0ccdeb02ffa1502 /source/blender/blenlib/intern/math_base_inline.c | |
| parent | 26c2c617b468ee2900f584b0ec0c82dfd632849a (diff) | |
BLI: add double version of 'scaleform'
No functional changes. New utility.
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 6e3846e59c6..a80c495ecf3 100644 --- a/source/blender/blenlib/intern/math_base_inline.c +++ b/source/blender/blenlib/intern/math_base_inline.c @@ -199,6 +199,13 @@ MINLINE float scalenorm(float a, float b, float x) return (x * (b - a)) + a; } +/* Map a normalized value, i.e. from interval [0, 1] to interval [a, b]. */ +MINLINE double scalenormd(double a, double b, double x) +{ + BLI_assert(x <= 1 && x >= 0); + return (x * (b - a)) + a; +} + /* Used for zoom values. */ MINLINE float power_of_2(float val) { |