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root/Development/ray/src/common/xf.c

Comparing ray/src/common/xf.c (file contents):
Revision 2.3 by greg, Tue Dec 24 17:42:48 1991 UTC vs.
Revision 2.8 by greg, Thu Apr 2 20:44:15 2020 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1991 Regents of the University of California */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ LBL";
2	>	static const char       RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		*  xf.c - routines to convert transform arguments into 4X4 matrix.
6		*
7	<	*     1/28/86
7	>	*  External symbols declared in rtmath.h
8		*/
9
10	<	#include  "standard.h"
10	>	#include  <stdlib.h>
11	>	#include  "rtmath.h"
12	>	#include  "rtio.h"
13
14		#define  d2r(a)         ((PI/180.)*(a))
15
#	Line 18 | Line 17 | static char SCCSid[] = "$SunId$ LBL";
17
18
19		int
20	<	xf(ret, ac, av)                 /* get transform specification */
22	<	register XF  *ret;
23	<	int  ac;
24	<	char  *av[];
20	>	xf(XF *ret, int ac, char *av[])         /* get transform specification */
21		{
22		MAT4  xfmat, m4;
23		double  xfsca, dtmp;
#	Line 132 | Line 128 | done:
128
129
130		int
131	<	invxf(ret, ac, av)              /* invert transform specification */
136	<	register XF  *ret;
137	<	int  ac;
138	<	char  *av[];
131	>	invxf(XF *ret, int ac, char *av[])      /* invert transform specification */
132		{
133		MAT4  xfmat, m4;
134		double  xfsca, dtmp;
#	Line 246 | Line 239 | done:
239
240
241		int
242	<	fullxf(fx, ac, av)                      /* compute both forward and inverse */
250	<	FULLXF  *fx;
251	<	int  ac;
252	<	char  *av[];
242	>	fullxf(FULLXF *fx, int ac, char *av[])  /* compute both forward and inverse */
243		{
244		xf(&fx->f, ac, av);
245		return(invxf(&fx->b, ac, av));

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