Class Binomial

java.lang.Object

eduni.distributions.Generator

eduni.distributions.Binomial

All Implemented Interfaces:

DiscreteGenerator, Seedable

public class Binomial
extends Generator
implements DiscreteGenerator

A random number generator based on the Binomial distribution.

Field Summary

Fields inherited from class Generator

distrib

Modifier and Type	Field	Description
protected Distributions	distrib

Constructor Summary

Constructors

Constructor	Description
Binomial(double prob, int trials)	the seed is automatically provided by the SeedGenerator
Binomial(double prob, int trials, long seed)	The constructor with which a specific seed is set for the random number generator

Method Summary

Modifier and Type	Method	Description
long	sample()	Generate a new random number.
String	toString()

Methods inherited from class Generator

getSeed, reseed, setSeed

Modifier and Type	Method	Description
long	getSeed()	Get the random number generator's seed.
void	reseed()	Get another seed well-spaced (from the default SeedGenerator)
void	setSeed(long seed)	Set the random number generator's seed.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

Binomial

public Binomial(double prob,
 int trials)

the seed is automatically provided by the SeedGenerator

Parameters:

prob - The probability of success in a trial

trials - The number of trials

Binomial

public Binomial(double prob,
 int trials,
 long seed)

The constructor with which a specific seed is set for the random number generator

Parameters:

prob - The probability of success

trials - The number of trials

seed - The initial seed for the generator, two instances with the same seed will generate the same sequence of numbers

Method Details

sample

public long sample()

Generate a new random number.

Specified by:

sample in interface DiscreteGenerator

Returns:

The next random number in the sequence

toString

public String toString()

Overrides:

toString in class Object