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root/radiance/ray/src/common/tmprivat.h
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Comparing ray/src/common/tmprivat.h (file contents):
Revision 3.1 by greg, Tue Apr 15 16:53:05 1997 UTC vs.
Revision 3.3 by greg, Thu Apr 17 19:09:33 1997 UTC

# Line 9 | Line 9
9   #undef  NOPROTO
10   #define NOPROTO         1
11   #include        "tonemap.h"
12 +
13 +                                /* required constants */
14 + #ifndef M_LN2
15 + #define M_LN2           0.69314718055994530942
16 + #endif
17 + #ifndef M_LN10
18 + #define M_LN10          2.30258509299404568402
19 + #endif
20                                  /* minimum values and defaults */
21   #define MINGAM          0.75
22   #define DEFGAM          2.2
# Line 29 | Line 37
37   #define MINLUM          (1.125352e-7)           /* tmLuminance(MINBRT) */
38  
39   #define LMESLOWER       (5.62e-3)               /* lower mesopic limit */
32 – #define BMESLOWER       ((int)(-5.18*TM_BRTSCALE-.5))
40   #define LMESUPPER       (5.62)                  /* upper mesopic limit */
41 + #if     (TM_BRTSCALE==128)
42 + #define BMESLOWER       (-663)                  /* encoded LMESLOWER */
43 + #define BMESUPPER       (221)                   /* encoded LMESUPPER */
44 + #else
45 + #define BMESLOWER       ((int)(-5.18*TM_BRTSCALE-.5))
46   #define BMESUPPER       ((int)(1.73*TM_BRTSCALE+.5))
47 + #endif
48  
49   #ifndef int4
50   #define int4            int                     /* assume 32-bit integers */

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