diff options
Diffstat (limited to 'mesalib/src/mesa/math/m_matrix.c')
| -rw-r--r-- | mesalib/src/mesa/math/m_matrix.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/mesalib/src/mesa/math/m_matrix.c b/mesalib/src/mesa/math/m_matrix.c index 9c9310d93..0475a7ab2 100644 --- a/mesalib/src/mesa/math/m_matrix.c +++ b/mesalib/src/mesa/math/m_matrix.c @@ -34,6 +34,7 @@ */ +#include "c99_math.h" #include "main/glheader.h" #include "main/imports.h" #include "main/macros.h" @@ -376,9 +377,9 @@ static GLboolean invert_matrix_general( GLmatrix *mat ) r3[7] = 1.0, r3[4] = r3[5] = r3[6] = 0.0; /* choose pivot - or die */ - if (FABSF(r3[0])>FABSF(r2[0])) SWAP_ROWS(r3, r2); - if (FABSF(r2[0])>FABSF(r1[0])) SWAP_ROWS(r2, r1); - if (FABSF(r1[0])>FABSF(r0[0])) SWAP_ROWS(r1, r0); + if (fabsf(r3[0])>fabsf(r2[0])) SWAP_ROWS(r3, r2); + if (fabsf(r2[0])>fabsf(r1[0])) SWAP_ROWS(r2, r1); + if (fabsf(r1[0])>fabsf(r0[0])) SWAP_ROWS(r1, r0); if (0.0 == r0[0]) return GL_FALSE; /* eliminate first variable */ @@ -396,8 +397,8 @@ static GLboolean invert_matrix_general( GLmatrix *mat ) if (s != 0.0) { r1[7] -= m1 * s; r2[7] -= m2 * s; r3[7] -= m3 * s; } /* choose pivot - or die */ - if (FABSF(r3[1])>FABSF(r2[1])) SWAP_ROWS(r3, r2); - if (FABSF(r2[1])>FABSF(r1[1])) SWAP_ROWS(r2, r1); + if (fabsf(r3[1])>fabsf(r2[1])) SWAP_ROWS(r3, r2); + if (fabsf(r2[1])>fabsf(r1[1])) SWAP_ROWS(r2, r1); if (0.0 == r1[1]) return GL_FALSE; /* eliminate second variable */ @@ -410,7 +411,7 @@ static GLboolean invert_matrix_general( GLmatrix *mat ) s = r1[7]; if (0.0 != s) { r2[7] -= m2 * s; r3[7] -= m3 * s; } /* choose pivot - or die */ - if (FABSF(r3[2])>FABSF(r2[2])) SWAP_ROWS(r3, r2); + if (fabsf(r3[2])>fabsf(r2[2])) SWAP_ROWS(r3, r2); if (0.0 == r2[2]) return GL_FALSE; /* eliminate third variable */ @@ -508,7 +509,7 @@ static GLboolean invert_matrix_3d_general( GLmatrix *mat ) det = pos + neg; - if (FABSF(det) < 1e-25) + if (fabsf(det) < 1e-25) return GL_FALSE; det = 1.0F / det; @@ -798,8 +799,8 @@ _math_matrix_rotate( GLmatrix *mat, GLfloat m[16]; GLboolean optimized; - s = (GLfloat) sin( angle * DEG2RAD ); - c = (GLfloat) cos( angle * DEG2RAD ); + s = (GLfloat) sin( angle * M_PI / 180.0 ); + c = (GLfloat) cos( angle * M_PI / 180.0 ); memcpy(m, Identity, sizeof(GLfloat)*16); optimized = GL_FALSE; @@ -1069,7 +1070,7 @@ _math_matrix_scale( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z ) m[2] *= x; m[6] *= y; m[10] *= z; m[3] *= x; m[7] *= y; m[11] *= z; - if (FABSF(x - y) < 1e-8 && FABSF(x - z) < 1e-8) + if (fabsf(x - y) < 1e-8 && fabsf(x - z) < 1e-8) mat->flags |= MAT_FLAG_UNIFORM_SCALE; else mat->flags |= MAT_FLAG_GENERAL_SCALE; |