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Commons Math example source code file (MaxTest.java)
The Commons Math MaxTest.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.math.stat.descriptive.rank; import org.apache.commons.math.stat.descriptive.StorelessUnivariateStatisticAbstractTest; import org.apache.commons.math.stat.descriptive.UnivariateStatistic; /** * Test cases for the {@link UnivariateStatistic} class. * @version $Revision: 902201 $ $Date: 2010-01-22 13:18:16 -0500 (Fri, 22 Jan 2010) $ */ public class MaxTest extends StorelessUnivariateStatisticAbstractTest{ protected Max stat; /** * @param name */ public MaxTest(String name) { super(name); } /** * {@inheritDoc} */ @Override public UnivariateStatistic getUnivariateStatistic() { return new Max(); } /** * {@inheritDoc} */ @Override public double expectedValue() { return this.max; } public void testSpecialValues() { double[] testArray = {0d, Double.NaN, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY}; Max max = new Max(); assertTrue(Double.isNaN(max.getResult())); max.increment(testArray[0]); assertEquals(0d, max.getResult(), 0); max.increment(testArray[1]); assertEquals(0d, max.getResult(), 0); max.increment(testArray[2]); assertEquals(0d, max.getResult(), 0); max.increment(testArray[3]); assertEquals(Double.POSITIVE_INFINITY, max.getResult(), 0); assertEquals(Double.POSITIVE_INFINITY, max.evaluate(testArray), 0); } public void testNaNs() { Max max = new Max(); double nan = Double.NaN; assertEquals(3d, max.evaluate(new double[]{nan, 2d, 3d}), 0); assertEquals(3d, max.evaluate(new double[]{1d, nan, 3d}), 0); assertEquals(2d, max.evaluate(new double[]{1d, 2d, nan}), 0); assertTrue(Double.isNaN(max.evaluate(new double[]{nan, nan, nan}))); } } Other Commons Math examples (source code examples)Here is a short list of links related to this Commons Math MaxTest.java source code file: |
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