gamma.h

eC++编译器源码

#pragma Gamma
  double GammaLn(double inValue);

  double GammaSeries(double a, double x);
    /* evaluate by series representation*/ 

  double GammaConFrac(double a, double x);

  double GammaQ(double a, double x);
    /* returns Q(a,x) = 1-P(a,x) */