[ViewVC] Diff of: radiance/ray/src/gen/genblinds.c

Comparing ray/src/gen/genblinds.c (file contents):
Revision 2.3 by greg, Thu Aug 27 13:51:59 1992 UTC vs.
Revision 2.9 by greg, Sat Feb 22 02:07:23 2003 UTC

#	Line 1 \| Line 1
1	–	/* Copyright (c) 1986 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		* genblind2.c - make some curved or flat venetian blinds.
6		*
#	Line 19 \| Line 16 \| static char SCCSid[] = "$SunId$ LBL";
16		*/
17
18		#include <stdio.h>
19	+	#include <stdlib.h>
20		#include <math.h>
21
22	<	#ifndef atof
23	<	extern double atof();
26	<	#endif
22	>	#define PI 3.14159265358979323846
23	>	#define DELTA 10. /* MINIMAL SUSTAINED ANGLE IN DEGREES */
24
28	–	#define PI 3.141592653589793
29	–	#define DELTA 5. /* MINIMAL SUSTAINED ANGLE IN DEGREES */
30	–
25		double baseflat[4][3], baseblind[4][3][180];
26		double A[3],X[3];
27		char material, name;
#	Line 39 \| Line 33 \| main(argc, argv)
33		int argc;
34		char *argv[];
35		{
42	–	double fabs();
36		double width, delem, depth, rcurv = 0.0, angle;
37		double beta, gamma, theta, chi;
38		int i, j, k, l;
#	Line 72 \| Line 65 \| *char argv[];**
65
66		/* HOW MANY ELEMENTARY SURFACES SHOULD BE CALCULATED ? */
67
68	<	nsurf = (theta / ((PI/180.)*DELTA));
68	>	nsurf = (theta / ((PI/180.)*DELTA)) + 1;
69
70		/* WHAT IS THE DEPTH OF THE ELEMENTARY SURFACES ? */
71
#	Line 156 \| Line 149 \| userr:
149		makeflat(w,d,a)
150		double w, d, a;
151		{
159	–	double sin(), cos();
152		double h;
153
154		h = d*sin(a);

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