58 |
int gsl_cdf_lngamma_sgn_e(double x, gsl_cdf_result * result_lg, double *sgn); |
int gsl_cdf_lngamma_sgn_e(double x, gsl_cdf_result * result_lg, double *sgn); |
59 |
|
|
60 |
|
|
|
/* Gamma(x), x not a negative integer |
|
|
* Uses real Lanczos method. |
|
|
* |
|
|
* exceptions: GSL_EDOM, GSL_EOVRFLW, GSL_EROUND |
|
|
*/ |
|
|
double gsl_cdf_gamma(const double x); |
|
|
|
|
|
|
|
61 |
/* Regulated Gamma Function, x > 0 |
/* Regulated Gamma Function, x > 0 |
62 |
* Gamma^*(x) = Gamma(x)/(Sqrt[2Pi] x^(x-1/2) exp(-x)) |
* Gamma^*(x) = Gamma(x)/(Sqrt[2Pi] x^(x-1/2) exp(-x)) |
63 |
* = (1 + 1/(12x) + ...), x->Inf |
* = (1 + 1/(12x) + ...), x->Inf |