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root/Development/ray/src/px/pfilt.c
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Comparing ray/src/px/pfilt.c (file contents):
Revision 2.4 by greg, Mon Sep 21 12:14:17 1992 UTC vs.
Revision 2.5 by greg, Fri Oct 2 16:24:06 1992 UTC

# Line 16 | Line 16 | static char SCCSid[] = "$SunId$ LBL";
16   #include  <fcntl.h>
17   #endif
18  
19 + #include  <math.h>
20 +
21   #include  <signal.h>
22  
23   #include  "color.h"
# Line 76 | Line 78 | main(argc, argv)
78   int  argc;
79   char  **argv;
80   {
79 –        extern double  pow();
81          extern long  ftell();
82          extern int  quit(), headline();
83          FILE  *fin;

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