Commit: 8506edc0b8a9b9e2b5a3b955d984aabf76c8e543 Author: Germano Cavalcante Date: Wed Aug 4 10:38:03 2021 -0300 Branches: soc-2021-uv-editor-improvements https://developer.blender.org/rB8506edc0b8a9b9e2b5a3b955d984aabf76c8e543
BLI: add double version of 'scaleform' No functional changes. New utility. =================================================================== M source/blender/blenlib/BLI_math_base.h M source/blender/blenlib/intern/math_base_inline.c =================================================================== diff --git a/source/blender/blenlib/BLI_math_base.h b/source/blender/blenlib/BLI_math_base.h index 88dc20a64f2..e877503e835 100644 --- a/source/blender/blenlib/BLI_math_base.h +++ b/source/blender/blenlib/BLI_math_base.h @@ -120,6 +120,9 @@ MINLINE double interpd(double a, double b, double t); MINLINE float ratiof(float min, float max, float pos); MINLINE double ratiod(double min, double max, double pos); +MINLINE float scalenorm(float a, float b, float x); +MINLINE double scalenormd(double a, double b, double x); + /* NOTE: Compilers will upcast all types smaller than int to int when performing arithmetic * operation. */ MINLINE int square_s(short a); 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) { _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org List details, subscription details or unsubscribe: https://lists.blender.org/mailman/listinfo/bf-blender-cvs