/**
* Creates a normal random variate generator with mean `mu` and standard deviation `sigma`, using
* stream `s`.
*/
public NormalGen(RandomStream s, double mu, double sigma) {
super(s, new NormalDist(mu, sigma));
setParams(mu, sigma);
}
/** Creates a random variate generator for the normal distribution `dist` and stream `s`. */
public NormalGen(RandomStream s, NormalDist dist) {
super(s, dist);
if (dist != null) setParams(dist.getMu(), dist.getSigma());
}