net.ericaro.neoitertools.generators.combinatorics
Class BigNumber

java.lang.Object
  net.ericaro.neoitertools.generators.combinatorics.BigNumber

All Implemented Interfaces:

Generator<int[]>

Direct Known Subclasses:

CombinationNumber, FactorialNumber, FixedSumNumber, VarBaseNumber

public abstract class BigNumber
extends java.lang.Object
implements Generator<int[]>

A BigNumber is simply a number represented by a fixed collections of digits of size size. it requires two abstract method : inc() to move to the next one.

Author:

eric

See Also:

BigNumber's wiki page, neoitertools site

Field Summary

protected int[]	base
protected int	size

Constructor Summary

BigNumber(int size)

Method Summary

protected abstract void	inc() increment this big number by one
int[]	next()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

base

protected int[] base

size

protected int size

Constructor Detail

BigNumber

public BigNumber(int size)

Method Detail

inc

protected abstract void inc()
                     throws java.util.NoSuchElementException

increment this big number by one

Throws:

java.util.NoSuchElementException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

next

public int[] next()

Specified by:

next in interface Generator<int[]>

Returns:

the next item in the sequence.