source: trunk/HeuristicLab.Optimization.Operators/3.3/LinearDiscreteDoubleValueModifier.cs @ 17729

Last change on this file since 17729 was 17729, checked in by dpiringe, 23 months ago

#3081

  • added static calculation method in:
    • ExponentialDiscreteDoubleValueModifier
    • GeneralizedExponentialDiscreteDoubleValueModifier
    • LinearDiscreteDoubleValueModifier
    • QuadraticDiscreteDoubleValueModifier
    • SquareRootDiscreteDoubleValueModifier
File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HEAL.Attic;
25
26namespace HeuristicLab.Optimization.Operators {
27  /// <summary>
28  /// Modifies the value by linear (constant) fall or rise.
29  /// </summary>
30  [Item("LinearDiscreteDoubleValueModifier", "Modifies the value by linear (constant) fall or rise.")]
31  [StorableType("B0EFCF88-9463-43BA-A0E6-0E0ACB0E4793")]
32  public class LinearDiscreteDoubleValueModifier : DiscreteDoubleValueModifier {
33    [StorableConstructor]
34    protected LinearDiscreteDoubleValueModifier(StorableConstructorFlag _) : base(_) { }
35    protected LinearDiscreteDoubleValueModifier(LinearDiscreteDoubleValueModifier original, Cloner cloner) : base(original, cloner) { }
36    public LinearDiscreteDoubleValueModifier() : base() { }
37
38    public override IDeepCloneable Clone(Cloner cloner) {
39      return new LinearDiscreteDoubleValueModifier(this, cloner);
40    }
41
42    protected override double Modify(double value, double startValue, double endValue, int index, int startIndex, int endIndex) {
43      return Calculate(value, startValue, endValue, index, startIndex, endIndex);
44    }
45
46    public static double Calculate(double value, double startValue, double endValue, int index, int startIndex, int endIndex) {
47      double k = (endValue - startValue) / (endIndex - startIndex);
48      double x = index - startIndex;
49      return k * x + startValue;
50    }
51  }
52}
Note: See TracBrowser for help on using the repository browser.