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root/radiance/ray/src/gen/genmarble.c
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Comparing ray/src/gen/genmarble.c (file contents):
Revision 1.1 by greg, Thu Feb 2 11:16:27 1989 UTC vs.
Revision 2.7 by schorsch, Sun Nov 16 10:29:38 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   *  genmarble.c - generate a marble with bubbles inside.
6   *
# Line 12 | Line 9 | static char SCCSid[] = "$SunId$ LBL";
9  
10   #include  <stdio.h>
11  
12 < #include  "random.h"
12 > #include <stdlib.h>
13  
14 + #include  <math.h>
15  
16 + #include  "random.h"
17 +
18   #define  PI     3.14159265359
19  
20   typedef double  FVECT[3];
21  
22 < double  bubble();       /* pretty cute, huh? */
22 > static double  bubble();        /* pretty cute, huh? */
23 > static void sphere_cart();
24  
25 <
25 > int
26   main(argc, argv)
27   int  argc;
28   char  **argv;
29   {
29        double  atof();
30          char  *cmtype, *cname;
31          FVECT  cent;
32          double  rad;
# Line 68 | Line 68 | char  **argv;
68   }
69  
70  
71 < double
71 > static double
72   bubble(v, cent, rad, bubrad)    /* compute location of random bubble */
73   FVECT  v, cent;
74   double  rad, bubrad;
75   {
76        double  sqrt();
76          double  r, ro, theta, phi;
77  
78          r = frandom()*bubrad;
# Line 86 | Line 85 | double  rad, bubrad;
85   }
86  
87  
88 + static void
89   sphere_cart(v, ro, theta, phi)  /* spherical to cartesian coord. conversion */
90   FVECT  v;
91   double  ro, theta, phi;
92   {
93        double  sin(), cos();
93          double  d;
94          
95          d = sin(phi);

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