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readability cleanup of vector comparisons to 0, now all such comparisons use VectorIsNull, and a little more whitespace cleanup in cl_pred.c

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Forest Hale 2001-03-16 12:27:11 +00:00
parent f922262b61
commit 05545350e7
6 changed files with 21 additions and 29 deletions
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3
include/mathlib.h
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@ -48,6 +48,9 @@ extern int nanmask;
#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];}
// LordHavoc: makes code more readable
#define VectorIsNull(a) ((a)[0] == 0 && (a)[1] == 0 && (a)[2] == 0)
/*
* VectorDistance, the distance between two points.
* Yes, this is the same as sqrt(VectorSubtract then DotProduct),