src/common/mat4.h

/* Copyright (c) 1990 Regents of the University of California */

/* SCCSid "$SunId$ LBL" */

/*
 * Definitions for 4x4 matrix operations
 */

#include  "fvect.h"

typedef FLOAT  MAT4[4][4];

#ifdef  BSD
#define  copymat4(m4a,m4b)      bcopy((char *)m4b,(char *)m4a,sizeof(MAT4))
#else
#define  copymat4(m4a,m4b)      (void)memcpy((char *)m4a,(char *)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)
Revision:	2.3
Committed:	Fri Nov 10 17:04:18 1995 UTC (28 years, 5 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.2:	+0 -1 lines
Log Message:	removed memcpy() declaration
#	Content
1	/* Copyright (c) 1990 Regents of the University of California */
2
3	/* SCCSid "$SunId$ LBL" */
4
5	/*
6	* Definitions for 4x4 matrix operations
7	*/
8
9	#include "fvect.h"
10
11	typedef FLOAT MAT4[4][4];
12
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	#endif
18
19	#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \
20	{0.,0.,1.,0.}, {0.,0.,0.,1.} }
21
22	extern MAT4 m4ident;
23
24	#define setident4(m4) copymat4(m4, m4ident)