umontreal.iro.lecuyer.randvar

Class PascalGen

java.lang.Object

umontreal.iro.lecuyer.randvar.RandomVariateGen

umontreal.iro.lecuyer.randvar.RandomVariateGenInt

umontreal.iro.lecuyer.randvar.PascalGen

Direct Known Subclasses:

PascalConvolutionGen

public class PascalGen
extends RandomVariateGenInt

Implements Pascal random variate generators, which is a special case of the negative binomial generator with parameter γ equal to a positive integer. See NegativeBinomialGen for a description.

Constructor Summary

Constructors

Constructor and Description
PascalGen(RandomStream s, int n, double p) Creates a Pascal random variate generator with parameters n and p, using stream s.
PascalGen(RandomStream s, PascalDist dist) Creates a new generator for the distribution dist, using stream s.

Method Summary

Modifier and Type	Method and Description
int	getN() Returns the parameter n of this object.
double	getP() Returns the parameter p of this object.
static int	nextInt(RandomStream s, int n, double p) Generates a new variate from the Pascal distribution, with parameters n = n and p = p, using stream s.

Methods inherited from class umontreal.iro.lecuyer.randvar.RandomVariateGenInt

getDistribution, nextArrayOfInt, nextInt

Methods inherited from class umontreal.iro.lecuyer.randvar.RandomVariateGen

getStream, nextArrayOfDouble, nextDouble, setStream, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PascalGen

public PascalGen(RandomStream s,
                 int n,
                 double p)

Creates a Pascal random variate generator with parameters n and p, using stream s.

PascalGen

public PascalGen(RandomStream s,
                 PascalDist dist)

Creates a new generator for the distribution dist, using stream s.

Method Detail

nextInt

public static int nextInt(RandomStream s,
                          int n,
                          double p)

Generates a new variate from the Pascal distribution, with parameters n = n and p = p, using stream s.

getN

public int getN()

Returns the parameter n of this object.

getP

public double getP()

Returns the parameter p of this object.