Class Erlang

java.lang.Object

eduni.distributions.Generator

eduni.distributions.Erlang

All Implemented Interfaces:

ContinuousGenerator, Seedable

public class Erlang
extends Generator
implements ContinuousGenerator

A random number generator based on the Erlang distribution.

Field Summary

Fields inherited from class Generator

distrib

Modifier and Type	Field	Description
protected Distributions	distrib

Constructor Summary

Constructors

Constructor	Description
Erlang(double shape, double scale)	the seed is automatically provided by the SeedGenerator
Erlang(double shape, double scale, long seed)	The constructor with which a specific seed is set for the random number generator

Method Summary

Modifier and Type	Method	Description
double	sample()	Generate a new random number.

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, toString, wait, wait, wait

Constructor Details

Erlang

public Erlang(double shape,
 double scale)

the seed is automatically provided by the SeedGenerator

Parameters:

shape - The shape of the distribution

scale - The scale of the distribution

Erlang

public Erlang(double shape,
 double scale,
 long seed)

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

Parameters:

shape - The shape of the distribution

scale - The scale of the distribution

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

Method Details

sample

public double sample()

Generate a new random number.

Specified by:

sample in interface ContinuousGenerator

Returns:

The next random number in the sequence