Free cookie consent management tool by TermsFeed Policy Generator

source: stable/HeuristicLab.Optimization.Operators/3.3/QuadraticDiscreteDoubleValueModifier.cs @ 12325

Last change on this file since 12325 was 12009, checked in by ascheibe, 10 years ago

#2212 updated copyright year

File size: 2.2 KB
RevLine 
[3093]1#region License Information
2/* HeuristicLab
[12009]3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[3093]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
[4722]22using HeuristicLab.Common;
[3093]23using HeuristicLab.Core;
24using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
25
26namespace HeuristicLab.Optimization.Operators {
27  /// <summary>
28  /// Modifies the value by quadratic fall (slow fall initially, fast fall to the end) or rise (slow rise initally, fast rise to the end).
29  /// </summary>
30  [Item("QuadraticDiscreteDoubleValueModifier", "Modifies the value by quadratic fall (slow fall initially, fast fall to the end) or rise (slow rise initally, fast rise to the end).")]
31  [StorableClass]
32  public class QuadraticDiscreteDoubleValueModifier : DiscreteDoubleValueModifier {
[4722]33    [StorableConstructor]
34    protected QuadraticDiscreteDoubleValueModifier(bool deserializing) : base(deserializing) { }
35    protected QuadraticDiscreteDoubleValueModifier(QuadraticDiscreteDoubleValueModifier original, Cloner cloner) : base(original, cloner) { }
36    public QuadraticDiscreteDoubleValueModifier() : base() { }
37
38    public override IDeepCloneable Clone(Cloner cloner) {
39      return new QuadraticDiscreteDoubleValueModifier(this, cloner);
40    }
41
[3093]42    protected override double Modify(double value, double startValue, double endValue, int index, int startIndex, int endIndex) {
43      double a = (endValue - startValue) / ((endIndex - startIndex) * (endIndex - startIndex));
44      return a * (index - startIndex) * (index - startIndex) + startValue;
45    }
46  }
47}
Note: See TracBrowser for help on using the repository browser.