org.encog.mathutil.randomize.generate

Class MersenneTwisterGenerateRandom

java.lang.Object

org.encog.mathutil.randomize.generate.AbstractGenerateRandom

org.encog.mathutil.randomize.generate.AbstractBoxMuller

org.encog.mathutil.randomize.generate.MersenneTwisterGenerateRandom

All Implemented Interfaces:

GenerateRandom

public class MersenneTwisterGenerateRandom
extends AbstractBoxMuller

The Mersenne twister is a pseudo random number generator developed in 1997 by Makoto Matsumoto and Takuji Nishimura that is based on a matrix linear recurrence over a finite binary field F2. References: http://www.cs.gmu.edu/~sean/research http://en.wikipedia.org/wiki/Mersenne_twister/ Makato Matsumoto and Takuji Nishimura, "Mersenne Twister: A 623-Dimensionally Equidistributed Uniform Pseudo-Random Number Generator", ACM Transactions on Modeling and. Computer Simulation, Vol. 8, No. 1, January 1998, pp 3--30.

Field Summary

Fields inherited from class org.encog.mathutil.randomize.generate.AbstractBoxMuller

MU

Constructor Summary

Constructors

Constructor and Description
MersenneTwisterGenerateRandom()
MersenneTwisterGenerateRandom(int[] array)
MersenneTwisterGenerateRandom(long seed)

Method Summary

Modifier and Type	Method and Description
protected int	next(int bits)
boolean	nextBoolean()
double	nextDouble()
float	nextFloat()
int	nextInt()
long	nextLong()
void	setSeed(int[] array)
void	setSeed(long seed)

Methods inherited from class org.encog.mathutil.randomize.generate.AbstractBoxMuller

nextGaussian

Methods inherited from class org.encog.mathutil.randomize.generate.AbstractGenerateRandom

nextDouble, nextDouble, nextInt, nextInt

Methods inherited from class java.lang.Object

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

Constructor Detail

MersenneTwisterGenerateRandom

public MersenneTwisterGenerateRandom()

MersenneTwisterGenerateRandom

public MersenneTwisterGenerateRandom(long seed)

MersenneTwisterGenerateRandom

public MersenneTwisterGenerateRandom(int[] array)

Method Detail

setSeed

public void setSeed(long seed)

setSeed

public void setSeed(int[] array)

next

protected int next(int bits)

nextDouble

public double nextDouble()

Returns:

The next random double.

nextLong

public long nextLong()

Returns:

The next random long.

nextBoolean

public boolean nextBoolean()

Returns:

The next random boolean.

nextFloat

public float nextFloat()

Returns:

The next random floating point.

nextInt

public int nextInt()

Returns:

The next random integer.