nchidev

double nchidev(double df, double xnonc, long* seed);

Returns a non-central chi-squared distributed deviate with df degrees of freedom and non-centrallity parameter xnonc using RAND(idum) as the source of uniform deviates.

Parameters:
dfDegrees of freedom
xnoncNon-centrality parameter.
seedRandom number generator seed.

Returns:
The next random number from the generator.

Usage:
Initialization of the generator depends on the implementation of RAND choosen by the user. To generate the next random number simply call
double r = nchidev(2.0, 3.0, &seed)

Header:
#include "deviate.h"

See also:
RAND