-/**
- * Allocate a matrix inverse.
- *
- * \param m matrix.
- *
- * Allocates the matrix inverse, GLmatrix::inv, and sets it to Identity.
- */
-void
-_math_matrix_alloc_inv( GLmatrix *m )
-{
- if (!m->inv) {
- m->inv = (GLfloat *) _mesa_align_malloc( 16 * sizeof(GLfloat), 16 );
- if (m->inv)
- memcpy( m->inv, Identity, 16 * sizeof(GLfloat) );
- }