net.ericaro.neoitertools.generators.combinatorics
Class FixedSumNumber

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

All Implemented Interfaces:

Generator<int[]>

public class FixedSumNumber
extends BigNumber

A Combinatorial Number is a BigNumber where the sum of all digits must be <= total -size. There are combination(total, size) of them (what a coincidence ;-) ). Digits can be seen as the distance between two successive indices on a combination.

Author:

eric

See Also:

FixedSumNumber's wiki page, neoitertools site

Field Summary

Fields inherited from class net.ericaro.neoitertools.generators.combinatorics.BigNumber

base, size

Constructor Summary

FixedSumNumber(int total, int size)

Method Summary

protected void

inc() increment this big number by one

Methods inherited from class net.ericaro.neoitertools.generators.combinatorics.BigNumber

next, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedSumNumber

public FixedSumNumber(int total,
                      int size)

Method Detail

inc

protected void inc()

Description copied from class: BigNumber

increment this big number by one

Specified by:

inc in class BigNumber