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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.math.util;
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import org.apache.commons.math.MathException;
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import junit.framework.TestCase;
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* @version $Revision: 566841 $ $Date: 2007-08-16 13:43:44 -0700 (Thu, 16 Aug 2007) $
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public class ContinuedFractionTest extends TestCase {
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* Constructor for ContinuedFractionTest.
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public ContinuedFractionTest(String name) {
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public void testGoldenRatio(){
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ContinuedFraction cf = new ContinuedFraction() {
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private static final long serialVersionUID = 4696264881688589546L;
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public double getA(int n, double x) {
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public double getB(int n, double x) {
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double gr = cf.evaluate(0.0, 10e-9);
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assertEquals(1.61803399, gr, 10e-9);
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} catch (MathException e) {