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1   // ******************************************************************************
2   //
3   // Title:       Force Field X.
4   // Description: Force Field X - Software for Molecular Biophysics.
5   // Copyright:   Copyright (c) Michael J. Schnieders 2001-2024.
6   //
7   // This file is part of Force Field X.
8   //
9   // Force Field X is free software; you can redistribute it and/or modify it
10  // under the terms of the GNU General Public License version 3 as published by
11  // the Free Software Foundation.
12  //
13  // Force Field X is distributed in the hope that it will be useful, but WITHOUT
14  // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15  // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16  // details.
17  //
18  // You should have received a copy of the GNU General Public License along with
19  // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple
20  // Place, Suite 330, Boston, MA 02111-1307 USA
21  //
22  // Linking this library statically or dynamically with other modules is making a
23  // combined work based on this library. Thus, the terms and conditions of the
24  // GNU General Public License cover the whole combination.
25  //
26  // As a special exception, the copyright holders of this library give you
27  // permission to link this library with independent modules to produce an
28  // executable, regardless of the license terms of these independent modules, and
29  // to copy and distribute the resulting executable under terms of your choice,
30  // provided that you also meet, for each linked independent module, the terms
31  // and conditions of the license of that module. An independent module is a
32  // module which is not derived from or based on this library. If you modify this
33  // library, you may extend this exception to your version of the library, but
34  // you are not obligated to do so. If you do not wish to do so, delete this
35  // exception statement from your version.
36  //
37  // ******************************************************************************
38  package ffx.algorithms.groovy;
39  
40  import static org.junit.Assert.assertEquals;
41  
42  import ffx.algorithms.misc.AlgorithmsTest;
43  import ffx.algorithms.optimize.anneal.SimulatedAnnealing;
44  import java.util.Arrays;
45  import java.util.Collection;
46  import org.junit.Test;
47  import org.junit.runner.RunWith;
48  import org.junit.runners.Parameterized;
49  import org.junit.runners.Parameterized.Parameters;
50  
51  /** @author Hernan Bernabe */
52  @RunWith(Parameterized.class)
53  public class SimulatedAnnealingTest extends AlgorithmsTest {
54  
55    private static final double tolerance = 0.01;
56    private String info;
57    private String filename;
58    private double endKineticEnergy;
59    private double endPotentialEnergy;
60    private double endTotalEnergy;
61    private double endTemperature;
62  
63    public SimulatedAnnealingTest(String info, String filename, double endKineticEnergy,
64        double endPotentialEnergy, double endTotalEnergy, double endTemperature) {
65      this.info = info;
66      this.filename = filename;
67      this.endKineticEnergy = endKineticEnergy;
68      this.endPotentialEnergy = endPotentialEnergy;
69      this.endTotalEnergy = endTotalEnergy;
70      this.endTemperature = endTemperature;
71    }
72  
73    @Parameters
74    public static Collection<Object[]> data() {
75      return Arrays.asList(
76          new Object[][] {{"Acetamide with Stochastic integrator for Simulated Annealing Test", // info
77              "acetamide_annealing.xyz", // filename
78              2.7348819613719866, // endKineticEnergy
79              -30.162204159002336, // endPotentialEnergy
80              -27.427322197628616, // endTotalEnergy
81              101.94414998339263 // endTemperature
82          }});
83    }
84  
85    @Test
86    public void testSimulatedAnnealing() {
87  
88      // Set-up the input arguments for the script.
89      String[] args = {"-n", "200", "-i", "STOCHASTIC", "-r", "0.001", "--tl", "100", "--tu", "400",
90          "--tmS", "EXP", "-W", "10", "-w", "100", "-k", "100", getResourcePath(filename)};
91      binding.setVariable("args", args);
92      binding.setVariable("baseDir", registerTemporaryDirectory().toFile());
93  
94      Anneal anneal = new Anneal(binding).run();
95      algorithmsScript = anneal;
96  
97      SimulatedAnnealing simulatedAnnealing = anneal.getAnnealing();
98  
99      // Assert that end energies are within the tolerance for the dynamics trajectory
100     assertEquals(info + " Final kinetic energy", endKineticEnergy, simulatedAnnealing.getKineticEnergy(), tolerance);
101     assertEquals(info + " Final potential energy", endPotentialEnergy, simulatedAnnealing.getPotentialEnergy(), tolerance);
102     assertEquals(info + " Final total energy", endTotalEnergy, simulatedAnnealing.getTotalEnergy(), tolerance);
103     assertEquals(info + " Final temperature", endTemperature, simulatedAnnealing.getTemperature(), tolerance);
104   }
105 }