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Use "Arrays.copyOf" from JDK.

This commit is contained in:
Gilles Sadowski 2019-12-17 02:17:55 +01:00
parent ed6b06d02f
commit f4dd17aa7d
4 changed files with 14 additions and 15 deletions
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10
src/test/java/org/apache/commons/math4/fitting/leastsquares/StatisticalReferenceDataset.java
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@ -19,10 +19,10 @@ package org.apache.commons.math4.fitting.leastsquares;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import org.apache.commons.math4.analysis.MultivariateMatrixFunction;
import org.apache.commons.math4.analysis.MultivariateVectorFunction;
import org.apache.commons.math4.util.MathArrays;
/**
* This class gives access to the statistical reference datasets provided by the
@ -199,7 +199,7 @@ public abstract class StatisticalReferenceDataset {
*/
public double[][] getData() {
return new double[][] {
MathArrays.copyOf(x), MathArrays.copyOf(y)
Arrays.copyOf(x, x.length), Arrays.copyOf(y, y.length)
};
}
@ -238,7 +238,7 @@ public abstract class StatisticalReferenceDataset {
* @return the values of the parameters
*/
public double[] getParameters() {
return MathArrays.copyOf(a);
return Arrays.copyOf(a, a.length);
}
/**
@ -257,7 +257,7 @@ public abstract class StatisticalReferenceDataset {
* @return the standard deviations of the parameters
*/
public double[] getParametersStandardDeviations() {
return MathArrays.copyOf(sigA);
return Arrays.copyOf(sigA, sigA.length);
}
/**
@ -297,7 +297,7 @@ public abstract class StatisticalReferenceDataset {
* @return the starting point
*/
public double[] getStartingPoint(final int i) {
return MathArrays.copyOf(startingValues[i]);
return Arrays.copyOf(startingValues[i], startingValues[i].length);
}
/**

4
src/test/java/org/apache/commons/math4/linear/RealVectorAbstractTest.java
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@ -223,7 +223,7 @@ public abstract class RealVectorAbstractTest {
public void testSetEntry() {
final double x = getPreferredEntryValue();
final double[] data = {x, 1d, 2d, x, x};
final double[] expected = MathArrays.copyOf(data);
final double[] expected = Arrays.copyOf(data, data.length);
final RealVector actual = create(data);
/*
@ -270,7 +270,7 @@ public abstract class RealVectorAbstractTest {
final double x = getPreferredEntryValue();
final double[] data1 = {x, 1d, 2d, x, x};
final double[] expected = MathArrays.copyOf(data1);
final double[] expected = Arrays.copyOf(data1, data1.length);
final RealVector actual = create(data1);
/*

3
src/test/java/org/apache/commons/math4/stat/descriptive/rank/PercentileTest.java
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@ -32,7 +32,6 @@ import org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType;
import org.apache.commons.math4.stat.ranking.NaNStrategy;
import org.apache.commons.math4.util.CentralPivotingStrategy;
import org.apache.commons.math4.util.KthSelector;
import org.apache.commons.math4.util.MathArrays;
import org.apache.commons.math4.util.MedianOf3PivotingStrategy;
import org.apache.commons.math4.util.PivotingStrategyInterface;
import org.apache.commons.math4.util.RandomPivotingStrategy;
@ -630,7 +629,7 @@ public class PercentileTest extends UnivariateStatisticAbstractTest{
public void testAllEstimationTechniquesOnlyLimits() {
final int N=testArray.length;
final double[] input=MathArrays.copyOf(testArray);
final double[] input = Arrays.copyOf(testArray, testArray.length);
Arrays.sort(input);
final double min = input[0];
final double max=input[input.length-1];

12
src/test/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTestTest.java
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@ -709,8 +709,8 @@ public class KolmogorovSmirnovTestTest {
public void testFixTiesNoOp() throws Exception {
final double[] x = {0, 1, 2, 3, 4};
final double[] y = {5, 6, 7, 8};
final double[] origX = MathArrays.copyOf(x);
final double[] origY = MathArrays.copyOf(y);
final double[] origX = Arrays.copyOf(x, x.length);
final double[] origY = Arrays.copyOf(y, y.length);
fixTies(x,y);
Assert.assertArrayEquals(origX, x, 0);
Assert.assertArrayEquals(origY, y, 0);
@ -724,11 +724,11 @@ public class KolmogorovSmirnovTestTest {
public void testFixTiesConsistency() throws Exception {
final double[] x = {0, 1, 2, 3, 4, 2};
final double[] y = {5, 6, 7, 8, 1, 2};
final double[] xP = MathArrays.copyOf(x);
final double[] yP = MathArrays.copyOf(y);
final double[] xP = Arrays.copyOf(x, x.length);
final double[] yP = Arrays.copyOf(y, y.length);
checkFixTies(x, y);
final double[] fixedX = MathArrays.copyOf(x);
final double[] fixedY = MathArrays.copyOf(y);
final double[] fixedX = Arrays.copyOf(x, x.length);
final double[] fixedY = Arrays.copyOf(y, y.length);
checkFixTies(xP, yP);
Assert.assertArrayEquals(fixedX, xP, 0);
Assert.assertArrayEquals(fixedY, yP, 0);