umontreal.iro.lecuyer.util

Class DoubleArrayComparator

java.lang.Object

umontreal.iro.lecuyer.util.DoubleArrayComparator

All Implemented Interfaces:

java.util.Comparator<double[]>

public class DoubleArrayComparator
extends java.lang.Object
implements java.util.Comparator<double[]>

An implementation of Comparator which compares two double arrays by comparing their i-th element, where i is given in the constructor. Method compare(d1, d2) returns -1, 0, or 1 depending on whether d1[i] is less than, equal to, or greater than d2[i].

Constructor Summary

Constructors

Constructor and Description
DoubleArrayComparator(int i) Constructs a comparator, where i is the index used for the comparisons.

Method Summary

Modifier and Type	Method and Description
int	compare(double[] d1, double[] d2) Returns -1, 0, or 1 depending on whether d1[i] is less than, equal to, or greater than d2[i].

Methods inherited from class java.lang.Object

equals, 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

DoubleArrayComparator

public DoubleArrayComparator(int i)

Constructs a comparator, where i is the index used for the comparisons.

Parameters:

i - index used for comparison

Method Detail

compare

public int compare(double[] d1,
                   double[] d2)

Returns -1, 0, or 1 depending on whether d1[i] is less than, equal to, or greater than d2[i].

Specified by:

compare in interface java.util.Comparator<double[]>

Parameters:

d1 - first array

d2 - second array