diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2000-07-31 15:31:29 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2000-07-31 15:31:29 +0000 |
| commit | 85dc4e7a773de62ea10e7c884c65909f192cf9bb (patch) | |
| tree | e267d143929575273f061c7aef683955eef56100 /src | |
| parent | 974e468e6d7773cd99d0299bf1616260a68a7386 (diff) | |
test against an epsilon magnitude in gl_rotation_matrix()
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/matrix.c | 6 |
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; |