1 |
< |
/* Copyright (c) 1990 Regents of the University of California */ |
2 |
< |
|
3 |
< |
/* SCCSid "$SunId$ LBL" */ |
4 |
< |
|
1 |
> |
/* RCSid $Id$ */ |
2 |
|
/* |
3 |
|
* Definitions for 4x4 matrix operations |
4 |
|
*/ |
5 |
+ |
#ifndef _RAD_MAT4_H_ |
6 |
+ |
#define _RAD_MAT4_H_ |
7 |
|
|
8 |
+ |
#include <string.h> |
9 |
+ |
|
10 |
|
#include "fvect.h" |
11 |
|
|
12 |
< |
typedef FLOAT MAT4[4][4]; |
13 |
< |
|
13 |
< |
#ifdef BSD |
14 |
< |
#define copymat4(m4a,m4b) bcopy((char *)m4b,(char *)m4a,sizeof(MAT4)) |
15 |
< |
#else |
16 |
< |
#define copymat4(m4a,m4b) (void)memcpy((char *)m4a,(char *)m4b,sizeof(MAT4)) |
17 |
< |
extern char *memcpy(); |
12 |
> |
#ifdef __cplusplus |
13 |
> |
extern "C" { |
14 |
|
#endif |
15 |
|
|
16 |
< |
#define MAT4IDENT { 1.,0.,0.,0., 0.,1.,0.,0., \ |
21 |
< |
0.,0.,1.,0., 0.,0.,0.,1. } |
16 |
> |
typedef RREAL MAT4[4][4]; |
17 |
|
|
18 |
+ |
#define copymat4(m4a,m4b) (void)memcpy((void *)m4a,(void *)m4b,sizeof(MAT4)) |
19 |
+ |
|
20 |
+ |
#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \ |
21 |
+ |
{0.,0.,1.,0.}, {0.,0.,0.,1.} } |
22 |
+ |
|
23 |
|
extern MAT4 m4ident; |
24 |
|
|
25 |
|
#define setident4(m4) copymat4(m4, m4ident) |
26 |
+ |
|
27 |
+ |
|
28 |
+ |
extern void multmat4(MAT4 m4a, MAT4 m4b, MAT4 m4c); |
29 |
+ |
extern void multv3(FVECT v3a, FVECT v3b, MAT4 m4); |
30 |
+ |
extern void multp3(FVECT p3a, FVECT p3b, MAT4 m4); |
31 |
+ |
extern int invmat4(MAT4 inverse, MAT4 mat); |
32 |
+ |
|
33 |
+ |
|
34 |
+ |
#ifdef __cplusplus |
35 |
+ |
} |
36 |
+ |
#endif |
37 |
+ |
#endif /* _RAD_MAT4_H_ */ |
38 |
+ |
|