edu.rit.numeric

Class DoublePrng

java.lang.Object

edu.rit.numeric.DoublePrng

Direct Known Subclasses:

ExponentialPrng, NormalPrng, UniformPrng

public abstract class DoublePrng
extends java.lang.Object

Class DoublePrng is the abstract base class for a pseudorandom number generator (PRNG) that generates random numbers of type double. The generated random numbers' probability distribution is determined by the subclass.

Constructor Summary

Constructors

Constructor and Description
DoublePrng(Random theUniformPrng) Construct a new double PRNG.

Method Summary

Modifier and Type	Method and Description
abstract double	next() Returns the next random number.

Methods inherited from class java.lang.Object

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

Constructor Detail

DoublePrng

public DoublePrng(Random theUniformPrng)

Construct a new double PRNG.

Parameters:

theUniformPrng - The underlying uniform PRNG.

Throws:

java.lang.NullPointerException - (unchecked exception) Thrown if theUniformPrng is null.

Method Detail

next

public abstract double next()

Returns the next random number.

Returns:

Random number.