diff options
Diffstat (limited to 'src/mesa/math')
-rw-r--r-- | src/mesa/math/m_matrix.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c index 91f26f164fd..e06b5684c4b 100644 --- a/src/mesa/math/m_matrix.c +++ b/src/mesa/math/m_matrix.c @@ -1,8 +1,8 @@ -/* $Id: m_matrix.c,v 1.9 2001/09/18 23:06:14 kschultz Exp $ */ +/* $Id: m_matrix.c,v 1.10 2001/12/18 04:06:46 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.5 + * Version: 4.1 * * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * @@ -975,11 +975,10 @@ _math_matrix_loadf( GLmatrix *mat, const GLfloat *m ) void _math_matrix_ctr( GLmatrix *m ) { - if ( m->m == 0 ) { - m->m = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 ); - } - MEMCPY( m->m, Identity, sizeof(Identity) ); - m->inv = 0; + m->m = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 ); + if (m->m) + MEMCPY( m->m, Identity, sizeof(Identity) ); + m->inv = NULL; m->type = MATRIX_IDENTITY; m->flags = 0; } @@ -987,13 +986,13 @@ _math_matrix_ctr( GLmatrix *m ) void _math_matrix_dtr( GLmatrix *m ) { - if ( m->m != 0 ) { + if (m->m) { ALIGN_FREE( m->m ); - m->m = 0; + m->m = NULL; } - if ( m->inv != 0 ) { + if (m->inv) { ALIGN_FREE( m->inv ); - m->inv = 0; + m->inv = NULL; } } @@ -1001,9 +1000,10 @@ _math_matrix_dtr( GLmatrix *m ) void _math_matrix_alloc_inv( GLmatrix *m ) { - if ( m->inv == 0 ) { + if (!m->inv) { m->inv = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 ); - MEMCPY( m->inv, Identity, 16 * sizeof(GLfloat) ); + if (m->inv) + MEMCPY( m->inv, Identity, 16 * sizeof(GLfloat) ); } } |