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source: stable/HeuristicLab.Problems.Binary/3.3/OneMaxProblem.cs @ 16446

Last change on this file since 16446 was 15584, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers on stable

File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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 System;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Encodings.BinaryVectorEncoding;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.Binary {
30  [Item("One Max Problem", "Represents a problem whose objective is to maximize the number of true values.")]
31  [Creatable(CreatableAttribute.Categories.CombinatorialProblems, Priority = 210)]
32  [StorableClass]
33  public class OneMaxProblem : BinaryProblem {
34    public override bool Maximization {
35      get { return true; }
36    }
37
38    public OneMaxProblem()
39      : base() {
40      Encoding.Length = 10;
41      BestKnownQuality = Encoding.Length;
42    }
43
44    [StorableConstructor]
45    protected OneMaxProblem(bool deserializing) : base(deserializing) { }
46
47    protected OneMaxProblem(OneMaxProblem original, Cloner cloner) : base(original, cloner) { }
48    public override IDeepCloneable Clone(Cloner cloner) {
49      return new OneMaxProblem(this, cloner);
50    }
51
52    public override double Evaluate(BinaryVector vector, IRandom random) {
53      return vector.Count(b => b);
54    }
55
56    protected override void LengthParameter_ValueChanged(object sender, EventArgs e) {
57      base.LengthParameter_ValueChanged(sender, e);
58      BestKnownQuality = Length;
59    }
60  }
61}
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