Class Well44497a

java.lang.Object

org.apache.commons.rng.core.BaseProvider

org.apache.commons.rng.core.source32.IntProvider

org.apache.commons.rng.core.source32.AbstractWell

org.apache.commons.rng.core.source32.Well44497a

All Implemented Interfaces:

RandomIntSource, RestorableUniformRandomProvider, UniformRandomProvider

Direct Known Subclasses:

Well44497b

public class Well44497a
extends AbstractWell

This class implements the WELL44497a pseudo-random number generator from François Panneton, Pierre L'Ecuyer and Makoto Matsumoto.

This generator is described in a paper by François Panneton, Pierre L'Ecuyer and Makoto Matsumoto Improved Long-Period Generators Based on Linear Recurrences Modulo 2 ACM Transactions on Mathematical Software, 32, 1 (2006). The errata for the paper are in wellrng-errata.txt.

Since:

1.0

See Also:

• WELL Random number generator

Nested Class Summary

Nested classes/interfaces inherited from class AbstractWell

AbstractWell.IndexTable

Field Summary

Fields inherited from class AbstractWell

index, v

Constructor Summary

Constructors

Constructor	Description
Well44497a(int[] seed)	Creates a new random number generator.

Method Summary

Modifier and Type	Method	Description
int	next()	Return the next random value.

Methods inherited from class AbstractWell

getStateInternal, setStateInternal

Methods inherited from class IntProvider

nextBoolean, nextBytes, nextBytes, nextDouble, nextInt, nextLong, resetCachedState

Methods inherited from class BaseProvider

checkIndex, checkStateSize, composeStateInternal, extendSeed, extendSeed, fillState, fillState, restoreState, saveState, splitStateInternal, toString

Methods inherited from class Object

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

Methods inherited from interface UniformRandomProvider

doubles, doubles, doubles, doubles, ints, ints, ints, ints, longs, longs, longs, longs, nextDouble, nextDouble, nextFloat, nextFloat, nextFloat, nextInt, nextInt, nextLong, nextLong

Constructor Details

Well44497a

public Well44497a(int[] seed)

Creates a new random number generator.

Parameters:

seed - Initial seed.

Method Details

next

public int next()

Return the next random value.

Returns:

the next random value.