/*
 * 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.util;

import org.apache.commons.math.MathException;

import junit.framework.TestCase;

/**
 * @version $Revision$ $Date$
 */
public class ContinuedFractionTest extends TestCase {
	/**
	 * Constructor for ContinuedFractionTest.
	 * 
	 * @param name
	 */
	public ContinuedFractionTest(String name) {
		super(name);
	}

	public void testGoldenRatio() {
		ContinuedFraction cf = new ContinuedFraction() {

			@Override
			public double getA(int n, double x) {
				return 1.0;
			}

			@Override
			public double getB(int n, double x) {
				return 1.0;
			}
		};

		try {
			double gr = cf.evaluate(0.0, 10e-9);
			assertEquals(1.61803399, gr, 10e-9);
		} catch (MathException e) {
			fail(e.getMessage());
		}
	}
}
