src/common/mat4.h

/* RCSid $Id: mat4.h,v 2.11 2003/06/30 14:59:11 schorsch Exp $ */
/*
 * Definitions for 4x4 matrix operations
 */
#ifndef _RAD_MAT4_H_
#define _RAD_MAT4_H_

#include  <string.h>

#include  "fvect.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef RREAL  MAT4[4][4];

#define  copymat4(m4a,m4b)      (void)memcpy((void *)m4a,(void *)m4b,sizeof(MAT4))

#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)


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);


#ifdef __cplusplus
}
#endif
#endif /* _RAD_MAT4_H_ */

Revision:	2.12
Committed:	Mon Jul 14 22:23:59 2003 UTC (20 years, 9 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3, HEAD
Changes since 2.11:	+5 -4 lines
Log Message:	Instrumented headers against multiple inclusion and for use from C++. Moved includes in headers out of "C" scope.
#	User	Rev	Content
1	schorsch	2.12	/* RCSid $Id: mat4.h,v 2.11 2003/06/30 14:59:11 schorsch Exp $ */
2	greg	1.1	/*
3			* Definitions for 4x4 matrix operations
4			*/
5	schorsch	2.7	#ifndef _RAD_MAT4_H_
6			#define _RAD_MAT4_H_
7	schorsch	2.8
8			#include <string.h>
9	greg	2.4
10	greg	1.1	#include "fvect.h"
11	schorsch	2.12
12			#ifdef __cplusplus
13			extern "C" {
14			#endif
15	greg	1.1
16	schorsch	2.9	typedef RREAL MAT4[4][4];
17	greg	1.1
18	greg	2.6	#define copymat4(m4a,m4b) (void)memcpy((void )m4a,(void )m4b,sizeof(MAT4))
19	greg	1.2
20	greg	2.2	#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \
21			{0.,0.,1.,0.}, {0.,0.,0.,1.} }
22	greg	1.2
23			extern MAT4 m4ident;
24
25			#define setident4(m4) copymat4(m4, m4ident)
26	greg	2.4
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	schorsch	2.7
34			#ifdef __cplusplus
35			}
36	greg	2.4	#endif
37	schorsch	2.7	#endif /* _RAD_MAT4_H_ */
38