src/common/mat4.h

/* RCSid $Id$ */
/*
 * Definitions for 4x4 matrix operations
 */

#include "copyright.h"

#include  "fvect.h"

typedef FLOAT  MAT4[4][4];

#ifdef  BSD
#define  copymat4(m4a,m4b)      bcopy((void *)m4b,(void *)m4a,sizeof(MAT4))
#else
#define  copymat4(m4a,m4b)      (void)memcpy((void *)m4a,(void *)m4b,sizeof(MAT4))
#endif

#define  MAT4IDENT              { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \
                                {0.,0.,1.,0.}, {0.,0.,0.,1.} }

extern MAT4  m4ident;

#define  setident4(m4)          copymat4(m4, m4ident)

#ifdef NOPROTO

extern void     multmat4();
extern void     multv3();
extern void     multp3();
extern int      invmat4();

#else

extern void     multmat4(MAT4 m4a, MAT4 m4b, MAT4 m4c);
extern void     multv3(FVECT v3a, FVECT v3b, MAT4 m4);
extern void     multp3(FVECT p3a, FVECT p3b, MAT4 m4);
extern int      invmat4(MAT4 inverse, MAT4 mat);

#endif
Revision:	2.6
Committed:	Tue May 13 17:58:32 2003 UTC (20 years, 11 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.5:	+2 -2 lines
Log Message:	Changed (char ) casts for memory copies to (void ) and other fixes
#	User	Rev	Content
1	greg	2.5	/* RCSid $Id$ */
2	greg	1.1	/*
3			* Definitions for 4x4 matrix operations
4			*/
5
6	greg	2.5	#include "copyright.h"
7	greg	2.4
8	greg	1.1	#include "fvect.h"
9
10	greg	1.3	typedef FLOAT MAT4[4][4];
11	greg	1.1
12			#ifdef BSD
13	greg	2.6	#define copymat4(m4a,m4b) bcopy((void )m4b,(void )m4a,sizeof(MAT4))
14	greg	1.1	#else
15	greg	2.6	#define copymat4(m4a,m4b) (void)memcpy((void )m4a,(void )m4b,sizeof(MAT4))
16	greg	1.1	#endif
17	greg	1.2
18	greg	2.2	#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \
19			{0.,0.,1.,0.}, {0.,0.,0.,1.} }
20	greg	1.2
21			extern MAT4 m4ident;
22
23			#define setident4(m4) copymat4(m4, m4ident)
24	greg	2.4
25			#ifdef NOPROTO
26
27			extern void multmat4();
28			extern void multv3();
29			extern void multp3();
30			extern int invmat4();
31
32			#else
33
34			extern void multmat4(MAT4 m4a, MAT4 m4b, MAT4 m4c);
35			extern void multv3(FVECT v3a, FVECT v3b, MAT4 m4);
36			extern void multp3(FVECT p3a, FVECT p3b, MAT4 m4);
37			extern int invmat4(MAT4 inverse, MAT4 mat);
38
39			#endif