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root/radiance/ray/src/px/pf3.c
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Comparing ray/src/px/pf3.c (file contents):
Revision 2.2 by greg, Mon Sep 21 12:14:12 1992 UTC vs.
Revision 2.3 by greg, Fri Oct 2 16:23:41 1992 UTC

# 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
# Line 44 | Line 46 | float  *exptable;              /* exponent table */
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));

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