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Using methods from JDK. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1413096 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gilles Sadowski 2012-11-23 22:34:05 +00:00
parent 1f51afc5a5
commit 3467a4bcd3
1 changed files with 4 additions and 25 deletions
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29
src/main/java/org/apache/commons/math3/stat/clustering/EuclideanDoublePoint.java
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@ -18,6 +18,7 @@ package org.apache.commons.math3.stat.clustering;
import java.io.Serializable;
import java.util.Collection;
import java.util.Arrays;
import org.apache.commons.math3.util.MathArrays;
@ -70,16 +71,7 @@ public class EuclideanDoublePoint implements Clusterable<EuclideanDoublePoint>,
if (!(other instanceof EuclideanDoublePoint)) {
return false;
}
final double[] otherPoint = ((EuclideanDoublePoint) other).getPoint();
if (point.length != otherPoint.length) {
return false;
}
for (int i = 0; i < point.length; i++) {
if (point[i] != otherPoint[i]) {
return false;
}
}
return true;
return Arrays.equals(point, ((EuclideanDoublePoint) other).point);
}
/**
@ -94,26 +86,13 @@ public class EuclideanDoublePoint implements Clusterable<EuclideanDoublePoint>,
/** {@inheritDoc} */
@Override
public int hashCode() {
int hashCode = 0;
for (final Double i : point) {
hashCode += i.hashCode() * 13 + 7;
}
return hashCode;
return Arrays.hashCode(point);
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder buff = new StringBuilder("(");
final double[] coordinates = getPoint();
for (int i = 0; i < coordinates.length; i++) {
buff.append(coordinates[i]);
if (i < coordinates.length - 1) {
buff.append(',');
}
}
buff.append(')');
return buff.toString();
return Arrays.toString(point);
}
}