Free cookie consent management tool by TermsFeed Policy Generator

source: stable/HeuristicLab.Tests/HeuristicLab-3.3/Samples/PsoRastriginSampleTest.cs @ 15500

Last change on this file since 15500 was 15277, checked in by abeham, 7 years ago

#2797: merged revisions 15071, 15076, 15091, 15092, 15093, 15096, 15102, 15114, 15181, 15201, 15214, 15223, 15224, 15228 to stable

File size: 4.1 KB
RevLine 
[11450]1#region License Information
2/* HeuristicLab
[14185]3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[11450]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.IO;
24using System.Linq;
25using HeuristicLab.Algorithms.ParticleSwarmOptimization;
26using HeuristicLab.Encodings.RealVectorEncoding;
27using HeuristicLab.Persistence.Default.Xml;
28using HeuristicLab.Problems.TestFunctions;
29using Microsoft.VisualStudio.TestTools.UnitTesting;
30
31namespace HeuristicLab.Tests {
32  [TestClass]
[15277]33  public class PsoRastriginSampleTest {
[15223]34    private const string SampleFileName = "PSO_Rastrigin";
[11450]35
36    [TestMethod]
37    [TestCategory("Samples.Create")]
38    [TestProperty("Time", "medium")]
[15223]39    public void CreatePsoRastriginSampleTest() {
40      var pso = CreatePsoRastriginSample();
[11514]41      string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
42      XmlGenerator.Serialize(pso, path);
[11450]43    }
44    [TestMethod]
45    [TestCategory("Samples.Execute")]
46    [TestProperty("Time", "medium")]
[15223]47    public void RunPsoRastriginSampleTest() {
48      var pso = CreatePsoRastriginSample();
[11450]49      pso.SetSeedRandomly.Value = false;
50      SamplesUtils.RunAlgorithm(pso);
[15092]51      if (Environment.Is64BitProcess) {
[15223]52        Assert.AreEqual(0, SamplesUtils.GetDoubleResult(pso, "BestQuality"));
[15277]53        Assert.AreEqual(3.9649516110677525, SamplesUtils.GetDoubleResult(pso, "CurrentAverageQuality"), 1e-08);
54        Assert.AreEqual(25.566430359483757, SamplesUtils.GetDoubleResult(pso, "CurrentWorstQuality"), 1e-08);
[15096]55        Assert.AreEqual(200, SamplesUtils.GetIntResult(pso, "Iterations"));
[11450]56      } else {
[15223]57        Assert.AreEqual(0, SamplesUtils.GetDoubleResult(pso, "BestQuality"));
[15277]58        Assert.AreEqual(3.3957460831564048, SamplesUtils.GetDoubleResult(pso, "CurrentAverageQuality"), 1e-08);
59        Assert.AreEqual(34.412788077766145, SamplesUtils.GetDoubleResult(pso, "CurrentWorstQuality"), 1e-08);
[15096]60        Assert.AreEqual(200, SamplesUtils.GetIntResult(pso, "Iterations"));
[11450]61      }
62    }
63
[15223]64    private ParticleSwarmOptimization CreatePsoRastriginSample() {
[11450]65      ParticleSwarmOptimization pso = new ParticleSwarmOptimization();
66      #region Problem Configuration
67      var problem = new SingleObjectiveTestFunctionProblem();
[15223]68      var provider = new SOTFInstanceProvider();
69      problem.Load(provider.LoadData(provider.GetDataDescriptors().Single(x => x.Name == "Rastrigin Function")));
[11450]70      problem.SolutionCreatorParameter.Value = new UniformRandomRealVectorCreator();
71      #endregion
72      #region Algorithm Configuration
[15223]73      pso.Name = "Particle Swarm Optimization - Rastrigin";
74      pso.Description = "A particle swarm optimization algorithm which solves the 2-dimensional Rastrigin test function.";
[11450]75      pso.Problem = problem;
[15214]76      pso.Inertia.Value = 0.721;
[15096]77      pso.MaxIterations.Value = 200;
[15214]78      pso.NeighborBestAttraction.Value = 1.193;
79      pso.PersonalBestAttraction.Value = 1.193;
[15096]80      pso.SwarmSize.Value = 40;
[15214]81           
82      pso.TopologyInitializer = pso.TopologyInitializerParameter.ValidValues.OfType<SPSORandomTopologyInitializer>().First();
83      pso.TopologyUpdater = pso.TopologyUpdaterParameter.ValidValues.OfType<SPSOAdaptiveRandomTopologyUpdater>().First();
[11450]84      pso.Seed.Value = 0;
85      pso.SetSeedRandomly.Value = true;
86      #endregion
87      pso.Engine = new ParallelEngine.ParallelEngine();
88      return pso;
89    }
90  }
91}
Note: See TracBrowser for help on using the repository browser.