org.apache.mahout.math.jet.random

Class AbstractDiscreteDistribution

java.lang.Object

org.apache.mahout.math.function.DoubleFunction

org.apache.mahout.math.jet.random.AbstractDistribution

org.apache.mahout.math.jet.random.AbstractDiscreteDistribution

All Implemented Interfaces:

IntFunction

Direct Known Subclasses:

NegativeBinomial, Poisson

public abstract class AbstractDiscreteDistribution
extends AbstractDistribution

Abstract base class for all discrete distributions.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractDiscreteDistribution() Makes this class non instantiable, but still let's others inherit from it.

Method Summary

Methods

Modifier and Type	Method and Description
double	nextDouble() Returns a random number from the distribution; returns (double) nextInt().

Methods inherited from class org.apache.mahout.math.jet.random.AbstractDistribution

apply, apply, getRandomGenerator, nextInt, randomDouble, setRandomGenerator

Methods inherited from class org.apache.mahout.math.function.DoubleFunction

isDensifying

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDiscreteDistribution

protected AbstractDiscreteDistribution()

Makes this class non instantiable, but still let's others inherit from it.

Method Detail

nextDouble

public double nextDouble()

Returns a random number from the distribution; returns (double) nextInt().

Specified by:

nextDouble in class AbstractDistribution

Returns:

A new sample from this distribution.