Searched refs:p_gamma (Results 1 - 1 of 1) sorted by relevance
| /macosx-10.10/ruby-106/ruby/missing/ |
| H A D | erf.c | 29 static double p_gamma(double a, double x, double loggamma_a) function
42 fprintf(stderr, "erf.c:%d:p_gamma() could not converge.", __LINE__);
54 if (x < 1 + a) return 1 - p_gamma(a, x, loggamma_a);
77 if (x >= 0) return p_gamma(0.5, x * x, LOG_PI_OVER_2);
78 else return - p_gamma(0.5, x * x, LOG_PI_OVER_2);
88 else return 1 + p_gamma(0.5, x * x, LOG_PI_OVER_2);
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