| /* |
| * 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.optimization.general; |
| |
| import java.io.IOException; |
| |
| import org.apache.commons.math3.exception.ConvergenceException; |
| import org.apache.commons.math3.exception.TooManyEvaluationsException; |
| import org.apache.commons.math3.optimization.SimpleVectorValueChecker; |
| import org.junit.Test; |
| |
| /** |
| * <p>Some of the unit tests are re-implementations of the MINPACK <a |
| * href="http://www.netlib.org/minpack/ex/file17">file17</a> and <a |
| * href="http://www.netlib.org/minpack/ex/file22">file22</a> test files. |
| * The redistribution policy for MINPACK is available <a |
| * href="http://www.netlib.org/minpack/disclaimer">here</a>, for |
| * convenience, it is reproduced below.</p> |
| |
| * <table border="0" width="80%" cellpadding="10" align="center" bgcolor="#E0E0E0"> |
| * <tr><td> |
| * Minpack Copyright Notice (1999) University of Chicago. |
| * All rights reserved |
| * </td></tr> |
| * <tr><td> |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * <ol> |
| * <li>Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer.</li> |
| * <li>Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution.</li> |
| * <li>The end-user documentation included with the redistribution, if any, |
| * must include the following acknowledgment: |
| * <code>This product includes software developed by the University of |
| * Chicago, as Operator of Argonne National Laboratory.</code> |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear.</li> |
| * <li><strong>WARRANTY DISCLAIMER. THE SOFTWARE IS SUPPLIED "AS IS" |
| * WITHOUT WARRANTY OF ANY KIND. THE COPYRIGHT HOLDER, THE |
| * UNITED STATES, THE UNITED STATES DEPARTMENT OF ENERGY, AND |
| * THEIR EMPLOYEES: (1) DISCLAIM ANY WARRANTIES, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES |
| * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE |
| * OR NON-INFRINGEMENT, (2) DO NOT ASSUME ANY LEGAL LIABILITY |
| * OR RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR |
| * USEFULNESS OF THE SOFTWARE, (3) DO NOT REPRESENT THAT USE OF |
| * THE SOFTWARE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS, (4) |
| * DO NOT WARRANT THAT THE SOFTWARE WILL FUNCTION |
| * UNINTERRUPTED, THAT IT IS ERROR-FREE OR THAT ANY ERRORS WILL |
| * BE CORRECTED.</strong></li> |
| * <li><strong>LIMITATION OF LIABILITY. IN NO EVENT WILL THE COPYRIGHT |
| * HOLDER, THE UNITED STATES, THE UNITED STATES DEPARTMENT OF |
| * ENERGY, OR THEIR EMPLOYEES: BE LIABLE FOR ANY INDIRECT, |
| * INCIDENTAL, CONSEQUENTIAL, SPECIAL OR PUNITIVE DAMAGES OF |
| * ANY KIND OR NATURE, INCLUDING BUT NOT LIMITED TO LOSS OF |
| * PROFITS OR LOSS OF DATA, FOR ANY REASON WHATSOEVER, WHETHER |
| * SUCH LIABILITY IS ASSERTED ON THE BASIS OF CONTRACT, TORT |
| * (INCLUDING NEGLIGENCE OR STRICT LIABILITY), OR OTHERWISE, |
| * EVEN IF ANY OF SAID PARTIES HAS BEEN WARNED OF THE |
| * POSSIBILITY OF SUCH LOSS OR DAMAGES.</strong></li> |
| * <ol></td></tr> |
| * </table> |
| |
| * @author Argonne National Laboratory. MINPACK project. March 1980 (original fortran minpack tests) |
| * @author Burton S. Garbow (original fortran minpack tests) |
| * @author Kenneth E. Hillstrom (original fortran minpack tests) |
| * @author Jorge J. More (original fortran minpack tests) |
| * @author Luc Maisonobe (non-minpack tests and minpack tests Java translation) |
| */ |
| @Deprecated |
| public class GaussNewtonOptimizerTest |
| extends AbstractLeastSquaresOptimizerAbstractTest { |
| |
| @Override |
| public AbstractLeastSquaresOptimizer createOptimizer() { |
| return new GaussNewtonOptimizer(new SimpleVectorValueChecker(1.0e-6, 1.0e-6)); |
| } |
| |
| @Override |
| @Test(expected = ConvergenceException.class) |
| public void testMoreEstimatedParametersSimple() { |
| /* |
| * Exception is expected with this optimizer |
| */ |
| super.testMoreEstimatedParametersSimple(); |
| } |
| |
| @Override |
| @Test(expected=ConvergenceException.class) |
| public void testMoreEstimatedParametersUnsorted() { |
| /* |
| * Exception is expected with this optimizer |
| */ |
| super.testMoreEstimatedParametersUnsorted(); |
| } |
| |
| @Test(expected=TooManyEvaluationsException.class) |
| public void testMaxEvaluations() throws Exception { |
| CircleVectorial circle = new CircleVectorial(); |
| circle.addPoint( 30.0, 68.0); |
| circle.addPoint( 50.0, -6.0); |
| circle.addPoint(110.0, -20.0); |
| circle.addPoint( 35.0, 15.0); |
| circle.addPoint( 45.0, 97.0); |
| |
| GaussNewtonOptimizer optimizer |
| = new GaussNewtonOptimizer(new SimpleVectorValueChecker(1.0e-30, 1.0e-30)); |
| |
| optimizer.optimize(100, circle, new double[] { 0, 0, 0, 0, 0 }, |
| new double[] { 1, 1, 1, 1, 1 }, |
| new double[] { 98.680, 47.345 }); |
| } |
| |
| @Override |
| @Test(expected=ConvergenceException.class) |
| public void testCircleFittingBadInit() { |
| /* |
| * This test does not converge with this optimizer. |
| */ |
| super.testCircleFittingBadInit(); |
| } |
| |
| @Override |
| @Test(expected = ConvergenceException.class) |
| public void testHahn1() |
| throws IOException { |
| /* |
| * TODO This test leads to a singular problem with the Gauss-Newton |
| * optimizer. This should be inquired. |
| */ |
| super.testHahn1(); |
| } |
| } |