cern.jet.random
Class AbstractDiscreteDistribution

java.lang.Object
  extended by cern.colt.PersistentObject
      extended by cern.jet.random.AbstractDistribution
          extended by cern.jet.random.AbstractDiscreteDistribution
All Implemented Interfaces:
DoubleFunction, IntFunction, java.io.Serializable, java.lang.Cloneable
Direct Known Subclasses:
Binomial, EmpiricalWalker, HyperGeometric, NegativeBinomial, Poisson, PoissonSlow, Zeta

public abstract class AbstractDiscreteDistribution
extends AbstractDistribution

Abstract base class for all discrete distributions.

Author:
wolfgang.hoschek@cern.ch
See Also:
Serialized Form

Field Summary
 
Fields inherited from class cern.jet.random.AbstractDistribution
randomGenerator
 
Fields inherited from class cern.colt.PersistentObject
serialVersionUID
 
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().
abstract  int nextInt()
          Returns a random number from the distribution.
 
Methods inherited from class cern.jet.random.AbstractDistribution
apply, apply, clone, getRandomGenerator, makeDefaultGenerator, setRandomGenerator
 
Methods inherited from class java.lang.Object
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

nextInt

public abstract int nextInt()
Returns a random number from the distribution.

Overrides:
nextInt in class AbstractDistribution