1 /* 2 * Copyright 2003-2004 The Apache Software Foundation. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.apache.commons.math.util; 17 18 import org.apache.commons.math.MathException; 19 20 import junit.framework.TestCase; 21 22 /** 23 * @version $Revision: 201916 $ $Date: 2005-06-26 15:25:41 -0700 (Sun, 26 Jun 2005) $ 24 */ 25 public class ContinuedFractionTest extends TestCase { 26 /** 27 * Constructor for ContinuedFractionTest. 28 * @param name 29 */ 30 public ContinuedFractionTest(String name) { 31 super(name); 32 } 33 34 public void testGoldenRation(){ 35 ContinuedFraction cf = new ContinuedFraction() { 36 public double getA(int n, double x) { 37 return 1.0; 38 } 39 40 public double getB(int n, double x) { 41 return 1.0; 42 } 43 }; 44 45 try { 46 double gr = cf.evaluate(0.0, 10e-9); 47 assertEquals(1.61803399, gr, 10e-9); 48 } catch (MathException e) { 49 fail(e.getMessage()); 50 } 51 } 52 }