weibullp

double weibullp(double x, double g, double b);

Returns the value of the Weibull random variable distribution function with gamma g and beta b at the value x.

Parameters:
xCritical point.
gShape parameter.
bScale parameter.

Returns:
P(X ≤ x | g, b)

Errors:
NUMERICS_ERROR is raised if g ≤ 0, b ≤ 0

Usage:
double p = weibullp(.5, 1.5, 2.75)

Header:
#include "contdist.h"