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root/radiance/ray/src/cv/mgflib/vect.h
Revision: 1.1
Committed: Thu Feb 8 11:08:06 1996 UTC (28 years, 2 months ago) by greg
Content type: text/plain
Branch: MAIN
Log Message:
Initial revision

File Contents

# User Rev Content
1 greg 1.1 /* Copyright (c) 1996 Regents of the University of California */
2    
3     /* SCCSid "$SunId$ LBL" */
4    
5     #ifndef __VECT_H
6     #define __VECT_H
7    
8     #include <stdio.h>
9    
10     typedef float Vector[3];
11    
12     #define X 0
13     #define Y 1
14     #define Z 2
15    
16     /* Transformation matrix */
17     typedef float Matrix[4][4];
18    
19     void vect_init (Vector v, float x, float y, float z);
20     void vect_copy (Vector v1, Vector v2);
21     int vect_equal (Vector v1, Vector v2);
22     void vect_add (Vector v1, Vector v2, Vector v3);
23     void vect_sub (Vector v1, Vector v2, Vector v3);
24     void vect_scale (Vector v1, Vector v2, float k);
25     float vect_mag (Vector v);
26     void vect_normalize (Vector v);
27     float vect_dot (Vector v1, Vector v2);
28     void vect_cross (Vector v1, Vector v2, Vector v3);
29     void vect_min (Vector v1, Vector v2, Vector v3);
30     void vect_max (Vector v1, Vector v2, Vector v3);
31     float vect_angle (Vector v1, Vector v2);
32     void vect_print (FILE *f, Vector v, int dec, char sep);
33     void vect_rotate (Vector v1, Vector v2, int axis, float angle);
34     void vect_axis_rotate (Vector v1, Vector v2, Vector axis, float angle);
35     void mat_identity (Matrix mat);
36     void mat_copy (Matrix mat1, Matrix mat2);
37     void mat_rotate (Matrix mat1, Matrix mat2, int axis, float angle);
38     void mat_axis_rotate (Matrix mat1, Matrix mat2, Vector axis, float angle);
39     void mat_mult (Matrix mat1, Matrix mat2, Matrix mat3);
40     void vect_transform (Vector v1, Vector v2, Matrix mat);
41     void mat_decode (Matrix mat, Vector scale, Vector shear, Vector rotate, Vector
42     transl);
43     float mat_inv (Matrix mat1, Matrix mat2);
44    
45     #endif