Changeset 16692 for branches/2521_ProblemRefactoring/HeuristicLab.Tests/HeuristicLab-3.3/Samples/PsoRastriginSampleTest.cs

Timestamp:

03/18/19 17:24:30 (6 years ago)

Author:

abeham

Message:

#2521: merged trunk changes up to r15681 into branch (removal of trunk/sources)

Location:

branches/2521_ProblemRefactoring

Files:

• . (modified) (2 props)
• HeuristicLab.Tests (modified) (1 prop)
• HeuristicLab.Tests/HeuristicLab-3.3/Samples/PsoRastriginSampleTest.cs (moved) (moved from branches/2521_ProblemRefactoring/HeuristicLab.Tests/HeuristicLab-3.3/Samples/PsoSchwefelSampleTest.cs) (4 diffs)

branches/2521_ProblemRefactoring

@@ -24 +24 @@
 protoc.exe
 obj
+.vs

@@ -24 +24 @@
 protoc.exe
 obj
+.vs

branches/2521_ProblemRefactoring/HeuristicLab.Tests/HeuristicLab-3.3/Samples/PsoRastriginSampleTest.cs

@@ -1 +1 @@
 #region License Information
 /* HeuristicLab
- * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
  *
  * This file is part of HeuristicLab.
@@ -24 +24 @@
 using System.Linq;
 using HeuristicLab.Algorithms.ParticleSwarmOptimization;
-using HeuristicLab.Data;
 using HeuristicLab.Encodings.RealVectorEncoding;
-using HeuristicLab.Optimization.Operators;
 using HeuristicLab.Persistence.Default.Xml;
 using HeuristicLab.Problems.TestFunctions;
@@ -33 +31 @@
 namespace HeuristicLab.Tests {
   [TestClass]
-  public class PsoSchwefelSampleTest {
-    private const string SampleFileName = "PSO_Schwefel";
+  public class PsoRastriginSampleTest {
+    private const string SampleFileName = "PSO_Rastrigin";
 
     [TestMethod]
     [TestCategory("Samples.Create")]
     [TestProperty("Time", "medium")]
-    public void CreatePsoSchwefelSampleTest() {
-      var pso = CreatePsoSchwefelSample();
+    public void CreatePsoRastriginSampleTest() {
+      var pso = CreatePsoRastriginSample();
       string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
       XmlGenerator.Serialize(pso, path);
@@ -47 +45 @@
     [TestCategory("Samples.Execute")]
     [TestProperty("Time", "medium")]
-    public void RunPsoSchwefelSampleTest() {
-      var pso = CreatePsoSchwefelSample();
+    public void RunPsoRastriginSampleTest() {
+      var pso = CreatePsoRastriginSample();
       pso.SetSeedRandomly.Value = false;
       SamplesUtils.RunAlgorithm(pso);
-      if (!Environment.Is64BitProcess) {
-        Assert.AreEqual(118.44027985932837, SamplesUtils.GetDoubleResult(pso, "BestQuality"));
-        Assert.AreEqual(140.71570105946438, SamplesUtils.GetDoubleResult(pso, "CurrentAverageQuality"));
-        Assert.AreEqual(220.956806502853, SamplesUtils.GetDoubleResult(pso, "CurrentWorstQuality"));
-        Assert.AreEqual(1000, SamplesUtils.GetIntResult(pso, "Iterations"));
+      if (Environment.Is64BitProcess) {
+        Assert.AreEqual(0, SamplesUtils.GetDoubleResult(pso, "BestQuality"));
+        Assert.AreEqual(3.9649516110677525, SamplesUtils.GetDoubleResult(pso, "CurrentAverageQuality"), 1e-08);
+        Assert.AreEqual(25.566430359483757, SamplesUtils.GetDoubleResult(pso, "CurrentWorstQuality"), 1e-08);
+        Assert.AreEqual(200, SamplesUtils.GetIntResult(pso, "Iterations"));
       } else {
-        Assert.AreEqual(118.43958282879345, SamplesUtils.GetDoubleResult(pso, "BestQuality"));
-        Assert.AreEqual(139.43946864779372, SamplesUtils.GetDoubleResult(pso, "CurrentAverageQuality"));
-        Assert.AreEqual(217.14654589055152, SamplesUtils.GetDoubleResult(pso, "CurrentWorstQuality"));
-        Assert.AreEqual(1000, SamplesUtils.GetIntResult(pso, "Iterations"));
+        Assert.AreEqual(0, SamplesUtils.GetDoubleResult(pso, "BestQuality"));
+        Assert.AreEqual(3.3957460831564048, SamplesUtils.GetDoubleResult(pso, "CurrentAverageQuality"), 1e-08);
+        Assert.AreEqual(34.412788077766145, SamplesUtils.GetDoubleResult(pso, "CurrentWorstQuality"), 1e-08);
+        Assert.AreEqual(200, SamplesUtils.GetIntResult(pso, "Iterations"));
       }
     }
 
-    private ParticleSwarmOptimization CreatePsoSchwefelSample() {
+    private ParticleSwarmOptimization CreatePsoRastriginSample() {
       ParticleSwarmOptimization pso = new ParticleSwarmOptimization();
       #region Problem Configuration
       var problem = new SingleObjectiveTestFunctionProblem();
-      problem.BestKnownQuality = 0.0;
-      problem.BestKnownSolutionParameter.Value = new RealVector(new double[] { 420.968746, 420.968746 });
-      problem.Bounds = new DoubleMatrix(new double[,] { { -500, 500 } });
-      problem.TestFunction = new Schwefel();
-      problem.ProblemSize = 2;
-      problem.Encoding.SolutionCreator = new UniformRandomRealVectorCreator();
+      var provider = new SOTFInstanceProvider();
+      problem.Load(provider.LoadData(provider.GetDataDescriptors().Single(x => x.Name == "Rastrigin Function")));
+      problem.SolutionCreatorParameter.Value = new UniformRandomRealVectorCreator();
       #endregion
       #region Algorithm Configuration
-      pso.Name = "Particle Swarm Optimization - Schwefel";
-      pso.Description = "A particle swarm optimization algorithm which solves the 2-dimensional Schwefel test function (based on the description in Pedersen, M.E.H. (2010). PhD thesis. University of Southampton)";
+      pso.Name = "Particle Swarm Optimization - Rastrigin";
+      pso.Description = "A particle swarm optimization algorithm which solves the 2-dimensional Rastrigin test function.";
       pso.Problem = problem;
-      pso.Inertia.Value = 10;
-      pso.MaxIterations.Value = 1000;
-      pso.NeighborBestAttraction.Value = 0.5;
-      pso.PersonalBestAttraction.Value = -0.01;
-      pso.SwarmSize.Value = 50;
-
-      var inertiaUpdater = pso.InertiaUpdaterParameter.ValidValues
-        .OfType<ExponentialDiscreteDoubleValueModifier>()
-        .Single();
-      inertiaUpdater.StartValueParameter.Value = new DoubleValue(10);
-      inertiaUpdater.EndValueParameter.Value = new DoubleValue(1);
-      pso.InertiaUpdater = inertiaUpdater;
-
-      pso.ParticleCreator = pso.ParticleCreatorParameter.ValidValues
-        .OfType<RealVectorParticleCreator>()
-        .Single();
-      var swarmUpdater = pso.SwarmUpdaterParameter.ValidValues
-        .OfType<RealVectorSwarmUpdater>()
-        .Single();
-      swarmUpdater.VelocityBoundsIndexParameter.ActualName = "Iterations";
-      swarmUpdater.VelocityBoundsParameter.Value = new DoubleMatrix(new double[,] { { -10, 10 } });
-      swarmUpdater.VelocityBoundsStartValueParameter.Value = new DoubleValue(10.0);
-      swarmUpdater.VelocityBoundsEndValueParameter.Value = new DoubleValue(1.0);
-      swarmUpdater.VelocityBoundsScalingOperatorParameter.Value = swarmUpdater.VelocityBoundsScalingOperatorParameter.ValidValues
-        .OfType<ExponentialDiscreteDoubleValueModifier>()
-        .Single();
-
-      pso.TopologyInitializer = null;
-      pso.TopologyUpdater = null;
-      pso.SwarmUpdater = swarmUpdater;
+      pso.Inertia.Value = 0.721;
+      pso.MaxIterations.Value = 200;
+      pso.NeighborBestAttraction.Value = 1.193;
+      pso.PersonalBestAttraction.Value = 1.193;
+      pso.SwarmSize.Value = 40;
+            
+      pso.TopologyInitializer = pso.TopologyInitializerParameter.ValidValues.OfType<SPSORandomTopologyInitializer>().First();
+      pso.TopologyUpdater = pso.TopologyUpdaterParameter.ValidValues.OfType<SPSOAdaptiveRandomTopologyUpdater>().First();
       pso.Seed.Value = 0;
       pso.SetSeedRandomly.Value = true;

@@ -24 +24 @@
 protoc.exe
 obj
+.vs