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/*
* Copyright (C) 2002 Terence M. Welsh
* Ported to Linux by Tugrul Galatali <tugrul@galatali.com>
*
* rsMath is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* rsMath 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
*/
#ifndef RSMATH_H
#define RSMATH_H
#include <math.h>
#include <stdlib.h>
#include "config.h"
void rsCPUDetect();
float rsVec_length (float *v);
float rsVec_normalize (float *v);
void rsVec_cross (float *v, float vec1[3], float vec2[3]);
void rsVec_scale (float *v, float scale);
#define rsVec_dot(x, y) (x[0] * y[0] + x[1] * y[1] + x[2] * y[2])
void rsVec_copy (float v[3], float *dest);
void rsVec_add (float v[3], float vec[3], float *dest);
void rsVec_subtract (float v[3], float vec[3], float *dest);
void rsQuat_make (float *q, float a, float x, float y, float z);
void rsQuat_preMult (float *q, float postQuat[4]);
void rsQuat_postMult (float *q, float preQuat[4]);
void rsQuat_toMat (float *q, float *mat);
#endif /* RSMATH_H */
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