Package edu.jas.arith

Class BigRationalIterator

java.lang.Object

edu.jas.arith.BigRationalIterator

All Implemented Interfaces:

java.util.Iterator<BigRational>

class BigRationalIterator
extends java.lang.Object
implements java.util.Iterator<BigRational>

Big rational iterator. Uses Cantors diagonal enumeration.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) BigRational	curr	data structure.
(package private) BigInteger	den
(package private) java.util.Iterator<BigInteger>	denit
(package private) java.util.List<BigInteger>	denlist
(package private) java.util.Iterator<BigInteger>	denlistit
protected long	level
(package private) boolean	nonNegative
(package private) BigInteger	num
(package private) java.util.Iterator<BigInteger>	numit
(package private) java.util.List<BigInteger>	numlist
(package private) java.util.Iterator<BigInteger>	numlistit

Constructor Summary

Constructors

Constructor	Description
BigRationalIterator()	BigRational iterator constructor.
BigRationalIterator(boolean nn)	BigRational iterator constructor.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Test for availability of a next element.
BigRational	next()	Get next rational.
void	remove()	Remove an element if allowed.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

curr

BigRational curr

data structure.

den

BigInteger den

num

BigInteger num

denit

java.util.Iterator<BigInteger> denit

numit

java.util.Iterator<BigInteger> numit

denlist

java.util.List<BigInteger> denlist

numlist

java.util.List<BigInteger> numlist

denlistit

java.util.Iterator<BigInteger> denlistit

numlistit

java.util.Iterator<BigInteger> numlistit

nonNegative

final boolean nonNegative

level

protected long level

Constructor Detail

BigRationalIterator

public BigRationalIterator()

BigRational iterator constructor.

BigRationalIterator

public BigRationalIterator(boolean nn)

BigRational iterator constructor.

Parameters:

nn - indicator for a non-negative iterator, if true, false for an all iterator

Method Detail

hasNext

public boolean hasNext()

Test for availability of a next element.

Specified by:

hasNext in interface java.util.Iterator<BigRational>

Returns:

true if the iteration has more elements, else false.

next

public BigRational next()

Get next rational.

Specified by:

next in interface java.util.Iterator<BigRational>

Returns:

next rational.

remove

public void remove()

Remove an element if allowed.

Specified by:

remove in interface java.util.Iterator<BigRational>