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source: trunk/sources/HeuristicLab.Problems.Binary/3.3/OneMaxProblem.cs @ 12012

Last change on this file since 12012 was 12012, checked in by ascheibe, 9 years ago

#2212 merged r12008, r12009, r12010 back into trunk

File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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.Optimization;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.Binary {
31  [Item("One Max Problem", "Represents a problem whose objective is to maximize the number of true values.")]
32  [Creatable("Problems")]
33  [StorableClass]
34  public class OneMaxProblem : BinaryProblem {
35    public override bool Maximization {
36      get { return true; }
37    }
38
39    public OneMaxProblem()
40      : base() {
41      Encoding.Length = 10;
42      BestKnownQuality = Encoding.Length;
43    }
44
45    [StorableConstructor]
46    protected OneMaxProblem(bool deserializing) : base(deserializing) { }
47
48    protected OneMaxProblem(OneMaxProblem original, Cloner cloner) : base(original, cloner) { }
49    public override IDeepCloneable Clone(Cloner cloner) {
50      return new OneMaxProblem(this, cloner);
51    }
52
53    public override double Evaluate(BinaryVector vector, IRandom random) {
54      return vector.Count(b => b);
55    }
56
57    protected override void LengthParameter_ValueChanged(object sender, EventArgs e) {
58      base.LengthParameter_ValueChanged(sender, e);
59      BestKnownQuality = Length;
60    }
61  }
62}
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