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

java.lang.Object
  extended by org.apache.mahout.math.function.DoubleFunction
      extended by org.apache.mahout.math.jet.random.AbstractDistribution
          extended by 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
protected AbstractDiscreteDistribution()
          Makes this class non instantiable, but still let's others inherit from it.
 
Method Summary
 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.


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