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New clipping to avoid division by zero bug.

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This commit is contained in:
Keith Whitwell 2000-04-17 18:18:00 +00:00
parent 4bdcfe50f8
commit 7b5f09c7de
1 changed files with 4 additions and 2 deletions
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6
src/mesa/main/clip.c
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@ -1,4 +1,4 @@
/* $Id: clip.c,v 1.7 2000/04/13 14:53:25 brianp Exp $ */
/* $Id: clip.c,v 1.8 2000/04/17 18:18:00 keithw Exp $ */
/*
* Mesa 3-D graphics library
@ -302,10 +302,12 @@ GLuint gl_userclip_point( GLcontext* ctx, const GLfloat v[] )
#if defined(__i386__)
#if 0
#define NEGATIVE(x) ((*(int *)&x)<0)
#define DIFFERENT_SIGNS(a,b) ((a*b) < 0)
#else
#define NEGATIVE(x) (x < 0)
#define DIFFERENT_SIGNS(a,b) ((a*b) < 0)
#endif