src/common/mat4.h

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

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

#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)

#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:	2.4
Committed:	Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.3:	+74 -4 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	Content
1	/* RCSid: $Id$ */
2	/*
3	* Definitions for 4x4 matrix operations
4	*/
5
6	/* ====================================================================
7	* The Radiance Software License, Version 1.0
8	*
9	* Copyright (c) 1990 - 2002 The Regents of the University of California,
10	* through Lawrence Berkeley National Laboratory. All rights reserved.
11	*
12	* Redistribution and use in source and binary forms, with or without
13	* modification, are permitted provided that the following conditions
14	* are met:
15	*
16	* 1. Redistributions of source code must retain the above copyright
17	* notice, this list of conditions and the following disclaimer.
18	*
19	* 2. Redistributions in binary form must reproduce the above copyright
20	* notice, this list of conditions and the following disclaimer in
21	* the documentation and/or other materials provided with the
22	* distribution.
23	*
24	* 3. The end-user documentation included with the redistribution,
25	* if any, must include the following acknowledgment:
26	* "This product includes Radiance software
27	* (http://radsite.lbl.gov/)
28	* developed by the Lawrence Berkeley National Laboratory
29	* (http://www.lbl.gov/)."
30	* Alternately, this acknowledgment may appear in the software itself,
31	* if and wherever such third-party acknowledgments normally appear.
32	*
33	* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
34	* and "The Regents of the University of California" must
35	* not be used to endorse or promote products derived from this
36	* software without prior written permission. For written
37	* permission, please contact [email protected].
38	*
39	* 5. Products derived from this software may not be called "Radiance",
40	* nor may "Radiance" appear in their name, without prior written
41	* permission of Lawrence Berkeley National Laboratory.
42	*
43	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
44	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
45	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
46	* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
47	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
50	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
51	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
52	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
53	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54	* SUCH DAMAGE.
55	* ====================================================================
56	*
57	* This software consists of voluntary contributions made by many
58	* individuals on behalf of Lawrence Berkeley National Laboratory. For more
59	* information on Lawrence Berkeley National Laboratory, please see
60	* <http://www.lbl.gov/>.
61	*/
62
63	#include "fvect.h"
64
65	typedef FLOAT MAT4[4][4];
66
67	#ifdef BSD
68	#define copymat4(m4a,m4b) bcopy((char )m4b,(char )m4a,sizeof(MAT4))
69	#else
70	#define copymat4(m4a,m4b) (void)memcpy((char )m4a,(char )m4b,sizeof(MAT4))
71	#endif
72
73	#define MAT4IDENT { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \
74	{0.,0.,1.,0.}, {0.,0.,0.,1.} }
75
76	extern MAT4 m4ident;
77
78	#define setident4(m4) copymat4(m4, m4ident)
79
80	#ifdef NOPROTO
81
82	extern void multmat4();
83	extern void multv3();
84	extern void multp3();
85	extern int invmat4();
86
87	#else
88
89	extern void multmat4(MAT4 m4a, MAT4 m4b, MAT4 m4c);
90	extern void multv3(FVECT v3a, FVECT v3b, MAT4 m4);
91	extern void multp3(FVECT p3a, FVECT p3b, MAT4 m4);
92	extern int invmat4(MAT4 inverse, MAT4 mat);
93
94	#endif