org.mathIT.algebra

Class ExponentComparator

java.lang.Object

org.mathIT.algebra.ExponentComparator

All Implemented Interfaces:

Comparator<Integer>

public class ExponentComparator
extends Object
implements Comparator<Integer>

This class implements a comparator to enable descending order with respect to the exponents of a polynomial created by the class Polynomial.

Version:

1.3

Author:

Andreas de Vries

Constructor Summary

Constructors

Constructor and Description
ExponentComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Integer x, Integer y) Compares its two arguments for order, which is reverse than the usual order.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

ExponentComparator

public ExponentComparator()

Method Detail

compare

public int compare(Integer x,
                   Integer y)

Compares its two arguments for order, which is reverse than the usual order. Returns a negative integer, zero, or a positive integer as the first argument is greater than, equal to, or less than the second.

Specified by:

compare in interface Comparator<Integer>

Parameters:

x - the first number to be compared

y - the second number to be compared

Returns:

-1 if x>y, 0 if x==y, or 1 if x<y