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THOU SHALT NOT SCREW UP THY DOT-PRODUCT MACRO!!! :P

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Bill Currie 2001-03-04 06:08:28 +00:00
parent 021c1347ed
commit 6bb1f172d0
1 changed files with 1 additions and 1 deletions
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qw/include/mathlib.h
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@ -43,7 +43,7 @@ extern int nanmask;
#define IS_NAN(x) (((*(int *)&x)&nanmask)==nanmask)
#define DotProduct(a,b) ((a)[0]*(a)[0]+(a)[1]*(a)[1]+(a)[2]*(a)[2])
#define DotProduct(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
#define VectorSubtract(a,b,c) {(c)[0]=(a)[0]-(b)[0];(c)[1]=(a)[1]-(b)[1];(c)[2]=(a)[2]-(b)[2];}
#define VectorAdd(a,b,c) {(c)[0]=(a)[0]+(b)[0];(c)[1]=(a)[1]+(b)[1];(c)[2]=(a)[2]+(b)[2];}
#define VectorCopy(a,b) {(b)[0]=(a)[0];(b)[1]=(a)[1];(b)[2]=(a)[2];}