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diff --git a/elki/src/test/java/de/lmu/ifi/dbs/elki/distance/distancefunction/correlation/UncenteredCorrelationDistanceFunctionTest.java b/elki/src/test/java/de/lmu/ifi/dbs/elki/distance/distancefunction/correlation/UncenteredCorrelationDistanceFunctionTest.java
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+++ b/elki/src/test/java/de/lmu/ifi/dbs/elki/distance/distancefunction/correlation/UncenteredCorrelationDistanceFunctionTest.java
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+package de.lmu.ifi.dbs.elki.distance.distancefunction.correlation;
+
+/*
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
+
+ Copyright (C) 2015
+ Ludwig-Maximilians-Universität München
+ Lehr- und Forschungseinheit für Datenbanksysteme
+ ELKI Development Team
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import de.lmu.ifi.dbs.elki.JUnit4Test;
+import de.lmu.ifi.dbs.elki.data.DoubleVector;
+
+/**
+ * Unit test for Absolute Pearson correlation distance.
+ *
+ * @author Erich Schubert
+ * @since 0.4.0
+ */
+public class UncenteredCorrelationDistanceFunctionTest implements JUnit4Test {
+ /** Inherited test data */
+ final static DoubleVector[] TESTS = PearsonCorrelationDistanceFunctionTest.TESTS;
+
+ /** Dissimilarities */
+ static final double C1 = 1.3636363636363638, C2 = 0.23636363636363633,
+ C3 = 0.6363636363636364;
+
+ /**
+ * The associated scores.
+ */
+ static final double[][] SCORES = { //
+ { 0., 0., 2., C1, 1., C2 },//
+ { 0., 0., 2., C1, 1., C2 },//
+ { 2., 2., 0., C3, 1., 2. - C2 },//
+ { C1, C1, C3, 0., 1., 1.6 },//
+ { 1., 1., 1., 1., 0., 1. },//
+ { C2, C2, 2. - C2, 1.6, 1., 0. },//
+ };
+
+ @Test
+ public void testUncenteredCorrelation() {
+ UncenteredCorrelationDistanceFunction f = UncenteredCorrelationDistanceFunction.STATIC;
+ for(int i = 0; i < TESTS.length; i++) {
+ for(int j = 0; j < TESTS.length; j++) {
+ final double dist = f.distance(TESTS[i], TESTS[j]);
+ assertEquals("Distance does not agree: " + TESTS[i] + " <-> " + TESTS[j], SCORES[i][j], dist, 1e-15);
+ }
+ }
+ }
+}