[3187] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7259] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3187] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[4722] | 22 | using HeuristicLab.Common;
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[3187] | 23 | using HeuristicLab.Core;
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[3318] | 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Encodings.RealVectorEncoding;
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| 26 | using HeuristicLab.Parameters;
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[3187] | 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 |
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| 29 | namespace HeuristicLab.Problems.TestFunctions {
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| 30 | [Item("SphereAdditiveMoveEvaluator", "Class for evaluating an additive move on the Sphere function.")]
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| 31 | [StorableClass]
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[3318] | 32 | public class SphereAdditiveMoveEvaluator : AdditiveMoveEvaluator, ISphereMoveEvaluator {
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| 33 | /// <summary>
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| 34 | /// The parameter C modifies the steepness of the objective function y = C * ||X||^Alpha. Default is C = 1.
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| 35 | /// </summary>
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| 36 | public ValueParameter<DoubleValue> CParameter {
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| 37 | get { return (ValueParameter<DoubleValue>)Parameters["C"]; }
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| 38 | }
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| 39 | /// <summary>
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| 40 | /// The parameter Alpha modifies the steepness of the objective function y = C * ||X||^Alpha. Default is Alpha = 2.
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| 41 | /// </summary>
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| 42 | public ValueParameter<DoubleValue> AlphaParameter {
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| 43 | get { return (ValueParameter<DoubleValue>)Parameters["Alpha"]; }
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| 44 | }
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| 45 | /// <summary>
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| 46 | /// The parameter C modifies the steepness of the objective function y = C * ||X||^Alpha. Default is C = 1.
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| 47 | /// </summary>
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| 48 | public DoubleValue C {
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| 49 | get { return CParameter.Value; }
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| 50 | set { if (value != null) CParameter.Value = value; }
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| 51 | }
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| 52 | /// <summary>
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| 53 | /// The parameter Alpha modifies the steepness of the objective function y = C * ||X||^Alpha. Default is Alpha = 2.
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| 54 | /// </summary>
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| 55 | public DoubleValue Alpha {
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| 56 | get { return AlphaParameter.Value; }
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| 57 | set { if (value != null) AlphaParameter.Value = value; }
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| 58 | }
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| 59 |
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[3187] | 60 | public override System.Type EvaluatorType {
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| 61 | get { return typeof(SphereEvaluator); }
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| 62 | }
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[3322] | 63 |
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[4722] | 64 | [StorableConstructor]
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| 65 | protected SphereAdditiveMoveEvaluator(bool deserializing) : base(deserializing) { }
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| 66 | protected SphereAdditiveMoveEvaluator(SphereAdditiveMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
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[3322] | 67 | public SphereAdditiveMoveEvaluator() {
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| 68 | Parameters.Add(new ValueParameter<DoubleValue>("C", "The parameter C modifies the steepness of the objective function y = C * ||X||^Alpha. Default is C = 1.", new DoubleValue(1)));
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| 69 | Parameters.Add(new ValueParameter<DoubleValue>("Alpha", "The parameter Alpha modifies the steepness of the objective function y = C * ||X||^Alpha. Default is Alpha = 2.", new DoubleValue(2)));
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| 70 | }
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| 71 |
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[4722] | 72 | public override IDeepCloneable Clone(Cloner cloner) {
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| 73 | return new SphereAdditiveMoveEvaluator(this, cloner);
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| 74 | }
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| 75 |
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[3187] | 76 | protected override double Evaluate(double quality, RealVector point, AdditiveMove move) {
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| 77 | RealVectorAdditiveMoveWrapper wrapper = new RealVectorAdditiveMoveWrapper(move, point);
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[3318] | 78 | return SphereEvaluator.Apply(wrapper, C.Value, Alpha.Value);
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[3187] | 79 | }
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| 80 | }
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| 81 | }
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