org.optaplanner.core.impl.heuristic.selector.common.nearby
Class LinearDistributionNearbyRandom

java.lang.Object
  org.optaplanner.core.impl.heuristic.selector.common.nearby.LinearDistributionNearbyRandom

All Implemented Interfaces:

NearbyRandom

public class LinearDistributionNearbyRandom
extends Object
implements NearbyRandom

P(x) = 2/m - 2x/m² Cumulative probability F(x) = x(2m - x)/m² Inverse cumulative probability F(p) = m(1 - (1 - p)^(1/2))

Field Summary

protected int

sizeMaximum

Constructor Summary

LinearDistributionNearbyRandom(int sizeMaximum)

Method Summary

int	nextInt(Random random, int n)

Methods inherited from class java.lang.Object

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

Field Detail

sizeMaximum

protected final int sizeMaximum

Constructor Detail

LinearDistributionNearbyRandom

public LinearDistributionNearbyRandom(int sizeMaximum)

Method Detail

nextInt

public int nextInt(Random random,
                   int n)

Specified by:

nextInt in interface NearbyRandom