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replaced an assertion with a conditional

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This commit is contained in:
Brian Paul 2002-03-23 02:29:37 +00:00
parent 819505ad2a
commit 7de02fef5b
1 changed files with 7 additions and 7 deletions
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14
src/glu/sgi/libnurbs/interface/insurfeval.cc
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@ -31,10 +31,10 @@
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
**
** $Date: 2001/03/17 00:25:40 $ $Revision: 1.1 $
** $Date: 2002/03/23 02:29:37 $ $Revision: 1.2 $
*/
/*
** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/interface/insurfeval.cc,v 1.1 2001/03/17 00:25:40 brianp Exp $
** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/interface/insurfeval.cc,v 1.2 2002/03/23 02:29:37 brianp Exp $
*/
#include "gluos.h"
@ -528,11 +528,11 @@ void OpenGLSurfaceEvaluator::inComputeNormal2(REAL *pu, REAL *pv, REAL *n)
mag = sqrt(n[0]*n[0] + n[1]*n[1] + n[2]*n[2]);
assert(mag > 0.0); /*better be some threshold*/
n[0] /= mag;
n[1] /= mag;
n[2] /= mag;
if (mag > 0.0) {
n[0] /= mag;
n[1] /= mag;
n[2] /= mag;
}
}