diff options
Diffstat (limited to 'source/blender/blenlib/intern/vectorops.c')
| -rw-r--r-- | source/blender/blenlib/intern/vectorops.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/source/blender/blenlib/intern/vectorops.c b/source/blender/blenlib/intern/vectorops.c deleted file mode 100644 index 3bff5235cfd..00000000000 --- a/source/blender/blenlib/intern/vectorops.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * - * Some vector operations. - * - * Always use - * - vector with x components : float x[3], int x[3], etc - * - * $Id$ - * - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/* ------------------------------------------------------------------------- */ -/* General format: op(a, b, c): a = b op c */ -/* Copying is done cp <from, to> */ -/* ------------------------------------------------------------------------- */ - -#include "MTC_vectorops.h" -#include <math.h> - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -void MTC_diff3Int(int v1[3], int v2[3], int v3[3]) -{ - v1[0] = v2[0] - v3[0]; - v1[1] = v2[1] - v3[1]; - v1[2] = v2[2] - v3[2]; -} - -/* ------------------------------------------------------------------------- */ -void MTC_diff3Float(float v1[3], float v2[3], float v3[3]) -{ - v1[0] = v2[0] - v3[0]; - v1[1] = v2[1] - v3[1]; - v1[2] = v2[2] - v3[2]; -} - -/* ------------------------------------------------------------------------- */ - -void MTC_cross3Int(int v1[3], int v2[3], int v3[3]) -{ - v1[0] = v2[1]*v3[2] - v2[2]*v3[1]; - v1[1] = v2[2]*v3[0] - v2[0]*v3[2]; - v1[2] = v2[0]*v3[1] - v2[1]*v3[0]; -} - -/* ------------------------------------------------------------------------- */ - -void MTC_cross3Float(float v1[3], float v2[3], float v3[3]) -{ - v1[0] = v2[1]*v3[2] - v2[2]*v3[1]; - v1[1] = v2[2]*v3[0] - v2[0]*v3[2]; - v1[2] = v2[0]*v3[1] - v2[1]*v3[0]; -} -/* ------------------------------------------------------------------------- */ - -void MTC_cross3Double(double v1[3], double v2[3], double v3[3]) -{ - v1[0] = v2[1]*v3[2] - v2[2]*v3[1]; - v1[1] = v2[2]*v3[0] - v2[0]*v3[2]; - v1[2] = v2[0]*v3[1] - v2[1]*v3[0]; -} - -/* ------------------------------------------------------------------------- */ - -int MTC_dot3Int(int v1[3], int v2[3]) -{ - return (v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2]); -} - -/* ------------------------------------------------------------------------- */ - -float MTC_dot3Float(float v1[3], float v2[3]) -{ - return (v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2]); -} - -/* ------------------------------------------------------------------------- */ - -void MTC_cp3Float(float v1[3], float v2[3]) -{ - v2[0] = v1[0]; - v2[1] = v1[1]; - v2[2] = v1[2]; -} - -/* ------------------------------------------------------------------------- */ - -void MTC_cp3FloatInv(float v1[3], float v2[3]) -{ - v2[0] = -v1[0]; - v2[1] = -v1[1]; - v2[2] = -v1[2]; -} - -/* ------------------------------------------------------------------------- */ - -void MTC_swapInt(int *i1, int *i2) -{ - int swap; - swap = *i1; - *i1 = *i2; - *i2 = swap; -} - -/* ------------------------------------------------------------------------- */ - -void MTC_diff3DFF(double v1[3], float v2[3], float v3[3]) -{ - v1[0] = v2[0] - v3[0]; - v1[1] = v2[1] - v3[1]; - v1[2] = v2[2] - v3[2]; -} - -/* ------------------------------------------------------------------------- */ -float MTC_normalize3DF(float n[3]) -{ - float d; - - d= n[0]*n[0]+n[1]*n[1]+n[2]*n[2]; - /* FLT_EPSILON is too large! A larger value causes normalize errors in */ - /* a scaled down utah teapot */ - if(d>0.0000000000001) { - - /* d= sqrt(d); This _should_ be sqrt, but internally it's a double*/ - /* anyway. This is safe. */ - d = sqrt(d); - - n[0]/=d; - n[1]/=d; - n[2]/=d; - } else { - n[0]=n[1]=n[2]= 0.0; - d= 0.0; - } - return d; -} - -/* ------------------------------------------------------------------------- */ - -/* eof */ |