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Java example source code file (ExponentialDecayFunctionTest.java)
The ExponentialDecayFunctionTest.java Java example 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.math3.ml.neuralnet.sofm.util; import org.apache.commons.math3.exception.NotStrictlyPositiveException; import org.apache.commons.math3.exception.NumberIsTooLargeException; import org.junit.Test; import org.junit.Assert; /** * Tests for {@link ExponentialDecayFunction} class */ public class ExponentialDecayFunctionTest { @Test(expected=NotStrictlyPositiveException.class) public void testPrecondition1() { new ExponentialDecayFunction(0d, 0d, 2); } @Test(expected=NotStrictlyPositiveException.class) public void testPrecondition2() { new ExponentialDecayFunction(1d, 0d, 2); } @Test(expected=NumberIsTooLargeException.class) public void testPrecondition3() { new ExponentialDecayFunction(1d, 1d, 100); } @Test(expected=NotStrictlyPositiveException.class) public void testPrecondition4() { new ExponentialDecayFunction(1d, 0.2, 0); } @Test public void testTrivial() { final int n = 65; final double init = 4; final double valueAtN = 3; final ExponentialDecayFunction f = new ExponentialDecayFunction(init, valueAtN, n); Assert.assertEquals(init, f.value(0), 0d); Assert.assertEquals(valueAtN, f.value(n), 0d); Assert.assertEquals(0, f.value(Long.MAX_VALUE), 0d); } } Other Java examples (source code examples)Here is a short list of links related to this Java ExponentialDecayFunctionTest.java source code file: |
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