/[gsl]/gsl/cdf/gamma.h
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revision 1.1.2.1 by jstover, Thu Jan 2 23:18:40 2003 UTC revision 1.1.2.2 by jstover, Thu Jan 9 03:03:49 2003 UTC
# Line 58  double gsl_cdf_lngamma(const double x); Line 58  double gsl_cdf_lngamma(const double x);
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

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