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authorBrian Paul <brian.paul@tungstengraphics.com>2000-07-31 15:31:29 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2000-07-31 15:31:29 +0000
commit85dc4e7a773de62ea10e7c884c65909f192cf9bb (patch)
treee267d143929575273f061c7aef683955eef56100 /src/mesa/main/matrix.c
parent974e468e6d7773cd99d0299bf1616260a68a7386 (diff)
test against an epsilon magnitude in gl_rotation_matrix()
Diffstat (limited to 'src/mesa/main/matrix.c')
-rw-r--r--src/mesa/main/matrix.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index 5db2542a6e..4cf7fe63d8 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -1,8 +1,8 @@
-/* $Id: matrix.c,v 1.18 2000/06/27 22:10:00 brianp Exp $ */
+/* $Id: matrix.c,v 1.19 2000/07/31 15:31:29 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
+ * Version: 3.5
*
* Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
*
@@ -597,7 +597,7 @@ void gl_rotation_matrix( GLfloat angle, GLfloat x, GLfloat y, GLfloat z,
mag = GL_SQRT( x*x + y*y + z*z );
- if (mag == 0.0) {
+ if (mag <= 1.0e-4) {
/* generate an identity matrix and return */
MEMCPY(m, Identity, sizeof(GLfloat)*16);
return;