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root/radiance/ray/src/px/pf3.c
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Comparing ray/src/px/pf3.c (file contents):
Revision 1.2 by greg, Wed Jun 5 12:15:34 1991 UTC vs.
Revision 2.3 by greg, Fri Oct 2 16:23:41 1992 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1986 Regents of the University of California */
1 > /* Copyright (c) 1992 Regents of the University of California */
2  
3   #ifndef lint
4   static char SCCSid[] = "$SunId$ LBL";
# Line 12 | Line 12 | static char SCCSid[] = "$SunId$ LBL";
12  
13   #include  <stdio.h>
14  
15 + #include  <math.h>
16 +
17   #include  "color.h"
18  
19 < #define  FTINY          1e-7
19 > #define  FTINY          1e-7
20  
21   extern double  rad;             /* output pixel radius for filtering */
22  
# Line 38 | Line 40 | extern char  *progname;
40  
41   float  *exptable;               /* exponent table */
42  
43 < #define  lookexp(x)             exptable[(int)(-10.*(x)+.5)]
43 > #define  lookexp(x)             exptable[(int)(-10.*(x)+.5)]
44  
45  
46   initmask()                      /* initialize gaussian lookup table */
47   {
48          extern char  *malloc();
47 –        extern double  exp();
49          register int  x;
50  
51          exptable = (float *)malloc(100*sizeof(float));
# Line 66 | Line 67 | int  c, r;
67          static double  d;
68          static int  y;
69          register int  x;
70 <        register COLOR  *scan;
70 >        register COLOR  *scan;
71  
72          wsum = 0;
73          setcolor(csum, 0.0, 0.0, 0.0);
# Line 101 | Line 102 | int  c, r;
102          static COLOR  ctmp;
103          static int  y;
104          register int  x;
105 <        register COLOR  *scan;
105 >        register COLOR  *scan;
106  
107          wsum = FTINY;
108          setcolor(csum, 0.0, 0.0, 0.0);

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