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Comparing ray/src/rt/noise3.c (file contents):
Revision 2.4 by greg, Mon Aug 9 10:03:45 1993 UTC vs.
Revision 2.8 by greg, Mon Aug 4 22:37:53 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1988 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   *  noise3.c - noise functions for random textures.
6   *
7   *     Credit for the smooth algorithm goes to Ken Perlin.
8   *     (ref. SIGGRAPH Vol 19, No 3, pp 287-96)
12 – *
13 – *     4/15/86
14 – *     5/19/88  Added fractal noise function
9   */
10  
11 + #include "copyright.h"
12 +
13 + #include  "calcomp.h"
14 +
15   #include  <math.h>
16  
17   #define  A              0
# Line 36 | Line 34 | static char SCCSid[] = "$SunId$ LBL";
34                                          r0*hpoly3(t) + \
35                                          r1*hpoly4(t) )
36  
37 < static char  noise_name[4][8] = {"noise3a", "noise3b", "noise3c", "noise3"};
37 > static char  noise_name[4][8] = {"noise3x", "noise3y", "noise3z", "noise3"};
38   static char  fnoise_name[] = "fnoise3";
39   static char  hermite_name[] = "hermite";
40  
41 < double  *noise3(), fnoise3(), argument(), frand();
41 > double  *noise3(), fnoise3(), frand();
42   static  interpolate();
43  
44   static long  xlim[3][2];
# Line 75 | Line 73 | register char  *nam;
73  
74  
75   double
76 < l_hermite()                     /* library call for hermite interpolation */
76 > l_hermite(char *nm)             /* library call for hermite interpolation */
77   {
78          double  t;
79          

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