Store Mix factors as reciprocals and multiply

2016-11-12 14:33:07 -06:00
parent 06f2282f82
commit f663220e87
3 changed files with 18 additions and 17 deletions
--- a/Marlin/macros.h
+++ b/Marlin/macros.h
@ -133,4 +133,6 @@
 #define NEAR_ZERO(x) ((x) > -0.000001 && (x) < 0.000001)
 #define NEAR(x,y) NEAR_ZERO((x)-(y))

+#define RECIPROCAL(x) (NEAR_ZERO(x) ? 0.0 : 1.0 / (x))
+
 #endif //__MACROS_H