The Faithful implementation of the GammaQ. More...
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Namespaces | |
namespace | hippodraw |
Namespace for HippoDraw. | |
namespace | hippodraw::Numeric |
Collection of linear algebra functions. | |
Functions | |
double | gammln (double xx) |
Calculates natural log of a gamma function. | |
double | gammq (double a, double x) |
Calculates Q, the probability that the chi2 should exceed a particilar chi2 (input) by chance. | |
void | gcf (double *gammcf, double a, double x, double *gln) |
Calculates Q, the probability that the chi2 should exceed a particilar chi2 (input) by chance, by using continued fractions. | |
void | gser (double *gamser, double a, double x, double *gln) |
Calculates Q, the probability that the chi2 should exceed a particilar chi2 (input) by chance, by using series approximation. |
The Faithful implementation of the GammaQ.
Code is taken from Numerical Recipes in C.
Definition in file Gammaq.cxx.