# | Line 23 | Line 23 | static const char RCSid[] = "$Id$"; | |
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23 | #define MAXITER 10 /* maximum # specular ray attempts */ | |
24 | #endif | |
25 | /* estimate of Fresnel function */ | |
26 | < | #define FRESNE(ci) (exp(-6.0*(ci)) - 0.00247875217) |
26 | > | #define FRESNE(ci) (exp(-5.85*(ci)) - 0.00287989916) |
27 | ||
28 | static void gaussamp(); | |
29 |
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