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Tina6/tina-libs/tina/math/mathGeom_vec3.h

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  1 /**********
  2  * 
  3  * Copyright (c) 2003, Division of Imaging Science and Biomedical Engineering,
  4  * University of Manchester, UK.  All rights reserved.
  5  * 
  6  * Redistribution and use in source and binary forms, with or without modification, 
  7  * are permitted provided that the following conditions are met:
  8  * 
  9  *   . Redistributions of source code must retain the above copyright notice, 
 10  *     this list of conditions and the following disclaimer.
 11  *    
 12  *   . Redistributions in binary form must reproduce the above copyright notice,
 13  *     this list of conditions and the following disclaimer in the documentation 
 14  *     and/or other materials provided with the distribution.
 15  * 
 16  *   . Neither the name of the University of Manchester nor the names of its
 17  *     contributors may be used to endorse or promote products derived from this 
 18  *     software without specific prior written permission.
 19  * 
 20  * 
 21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 31  * POSSIBILITY OF SUCH DAMAGE.
 32  *
 33  **********
 34  * 
 35  * Program :    TINA
 36  * File    :  $Source: /home/tina/cvs/tina-libs/tina/math/mathGeom_vec3.h,v $
 37  * Date    :  $Date: 2003/09/22 16:09:02 $
 38  * Version :  $Revision: 1.2 $
 39  * CVS Id  :  $Id: mathGeom_vec3.h,v 1.2 2003/09/22 16:09:02 tony Exp $
 40  *
 41  * Author  :  Legacy Tina
 42  *
 43  * Notes :
 44  *
 45  *********
 46 */
 47 
 48 #ifndef TINA_MATH_GEOM_VEC3_HDR
 49 #define TINA_MATH_GEOM_VEC3_HDR
 50 
 51 #include <stdio.h>
 52 #include <tina/math/math_GeomDef.h>
 53 
 54 #ifdef __cplusplus
 55 extern "C" {
 56 #endif /* __cplusplus */
 57 
 58   Vec3   *vec3_alloc(void);
 59   Vec3   *vec3_make(Vec3 u);
 60   Vec3  *vec3_copy(Vec3 *u);
 61   void    vec3_free(void *v);
 62   Vec3    vec3(double x, double y, double z);
 63   Vec3    vec3_zero(void);
 64   Vec3    vec3_ex(void);
 65   Vec3    vec3_ey(void);
 66   Vec3    vec3_ez(void);
 67   void    vec3_comps(Vec3 v, float *x, float *y, float *z);
 68   double  vec3_get_x(Vec3 v);
 69   double  vec3_get_y(Vec3 v);
 70   double  vec3_get_z(Vec3 v);
 71   Vec3    vec3_sum(Vec3 v, Vec3 w);
 72   Vec3    vec3_sum3(Vec3 u, Vec3 v, Vec3 w);
 73   Vec3    vec3_sum4(Vec3 u, Vec3 v, Vec3 w, Vec3 x);
 74   Vec3    vec3_minus(Vec3 v);
 75   Vec3    vec3_diff(Vec3 v, Vec3 w);
 76   Vec3    vec3_times(double k, Vec3 v);
 77   Vec3    vec3_interp(double k, Vec3 v1, Vec3 v2);
 78   double  vec3_dot(Vec3 v, Vec3 w);
 79   Vec3    vec3_cross(Vec3 v, Vec3 w);
 80   Vec3    vec3_unitcross(Vec3 v, Vec3 w);
 81   double  vec3_mod(Vec3 v);
 82   double  vec3_sqrmod(Vec3 v);
 83   double  vec3_modunit(Vec3 v, Vec3 * e);
 84   Vec3    vec3_unit(Vec3 v);
 85   double  vec3_dist(Vec3 v, Vec3 w);
 86   double  vec3_sqrdist(Vec3 v, Vec3 w); 
 87   double  vec3_angle(Vec3 v, Vec3 w);
 88   Vec3    vec3_perp(Vec3 v);
 89   void    vec3_basis(Vec3 aim, Vec3 down, Vec3 * ex, Vec3 * ey, Vec3 * ez);
 90   Vec3    vec3_read(FILE * fp);
 91   void    vec3_print(FILE * fp, Vec3 v);
 92   void    vec3_pprint(FILE * fp, char *msg, Vec3 v);
 93   void    vec3_format(Vec3 v);
 94   Vec3    vec3_rand_sphere(Vec3 c, double r);
 95 
 96 
 97 #ifdef __cplusplus
 98 }
 99 #endif /* __cplusplus */
100 
101 #endif /*  TINA_MATH_GEOM_VEC3_HDR*/ 
102 

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