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authorKeith Whitwell <keith@tungstengraphics.com>2001-12-05 10:24:31 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2001-12-05 10:24:31 +0000
commitef4f5b391e560e535b25b372f797e41edeef09f1 (patch)
treee7da9cecd378bc946646b4211e003f0ffc39a01d /src/mesa/swrast/s_aalinetemp.h
parentaecfb51c304a6d71810ba5ae6ab9c4e344b816a9 (diff)
add inf and nan tests to swrast functions
Diffstat (limited to 'src/mesa/swrast/s_aalinetemp.h')
-rw-r--r--src/mesa/swrast/s_aalinetemp.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h
index 2d8f8492e0..f645e55241 100644
--- a/src/mesa/swrast/s_aalinetemp.h
+++ b/src/mesa/swrast/s_aalinetemp.h
@@ -1,4 +1,4 @@
-/* $Id: s_aalinetemp.h,v 1.14 2001/09/19 20:30:44 kschultz Exp $ */
+/* $Id: s_aalinetemp.h,v 1.15 2001/12/05 10:24:31 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -162,7 +162,7 @@ NAME(line)(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1)
line.len = (GLfloat) sqrt(line.dx * line.dx + line.dy * line.dy);
line.halfWidth = 0.5F * ctx->Line.Width;
- if (line.len == 0.0)
+ if (line.len == 0.0 || IS_INF_OR_NAN(line.len))
return;
line.xAdj = line.dx / line.len * line.halfWidth;