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source: trunk/sources/HeuristicLab.BitVector/3.2/FlipManipulator.cs @ 2173

Last change on this file since 2173 was 1529, checked in by gkronber, 16 years ago

Moved source files of plugins AdvancedOptimizationFrontEnd ... Grid into version-specific sub-folders. #576

File size: 2.4 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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.Collections.Generic;
24using System.Text;
25using HeuristicLab.Core;
26
27namespace HeuristicLab.BitVector {
28  /// <summary>
29  /// Single bit flip manipulation for bit vectors.
30  /// </summary>
31  public class FlipManipulator : BitVectorManipulatorBase {
32    /// <inheritdoc select="summary"/>
33    public override string Description {
34      get { return "Single bit flip manipulation for bit vectors."; }
35    }
36
37    /// <summary>
38    /// Changes randomly a single position in the given bit <paramref name="vector"/>.
39    /// </summary>
40    /// <param name="random">A random number generator.</param>
41    /// <param name="vector">The bit vector to manipulate.</param>
42    /// <returns>The new bit vector that has been manipulated.</returns>
43    public static bool[] Apply(IRandom random, bool[] vector) {
44      bool[] result = (bool[])vector.Clone();
45      int index = random.Next(result.Length);
46      result[index] = !result[index];
47      return result;
48    }
49
50    /// <summary>
51    /// Changes randomly a single position in the given bit <paramref name="vector"/>.
52    /// </summary>
53    /// <remarks>Calls <see cref="Apply"/>.</remarks>
54    /// <param name="scope">The current scope.</param>
55    /// <param name="random">A random number generator.</param>
56    /// <param name="vector">The bit vector to manipulate.</param>
57    /// <returns>The new bit vector that has been manipulated.</returns>
58    protected override bool[] Manipulate(IScope scope, IRandom random, bool[] vector) {
59      return Apply(random, vector);
60    }
61  }
62}
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