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root/radiance/ray/src/util/rttree_reduce.c
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Comparing ray/src/util/rttree_reduce.c (file contents):
Revision 2.17 by greg, Wed May 31 03:26:46 2017 UTC vs.
Revision 2.18 by greg, Sat Mar 2 17:05:45 2019 UTC

# Line 30 | Line 30 | typedef struct ttree_s {
30   } TNODE;
31  
32   #define HISTLEN         300     /* histogram resolution */
33 < #define HISTMAX         10.     /* maximum recorded measure in histogram */
33 > #define HISTMAX         4.      /* maximum recorded measure in histogram */
34  
35   int     histo[HISTLEN];         /* histogram freq. of variance measure */
36  
37   double  tthresh;                /* acceptance threshold (TBD) */
38  
39 < #define var_measure(tp)         ( ((tp)->vmax - (tp)->vmin) / \
39 > #define var_measure(tp)         sqrt( ((tp)->vmax - (tp)->vmin) / \
40                                          (sqrt((tp)->vavg) + .03) )
41   #define above_threshold(tp)     (var_measure(tp) > tthresh)
42  

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