[3742] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12009] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3742] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[4722] | 22 | using HeuristicLab.Common;
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[3062] | 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 25 |
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| 26 | namespace HeuristicLab.Encodings.BinaryVectorEncoding {
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| 27 | /// <summary>
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| 28 | /// Flips exactly one bit of a binary vector.
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| 29 | /// </summary>
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| 30 | /// <remarks>
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| 31 | /// It is implemented as described in Michalewicz, Z. 1999. Genetic Algorithms + Data Structures = Evolution Programs. Third, Revised and Extended Edition, Spring-Verlag Berlin Heidelberg.
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| 32 | /// </remarks>
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| 33 | [Item("SinglePositionBitflipManipulator", "Flips exactly one bit of a binary vector. It is implemented as described in Michalewicz, Z. 1999. Genetic Algorithms + Data Structures = Evolution Programs. Third, Revised and Extended Edition, Spring-Verlag Berlin Heidelberg.")]
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| 34 | [StorableClass]
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[4722] | 35 | public sealed class SinglePositionBitflipManipulator : BinaryVectorManipulator {
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| 36 |
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| 37 | [StorableConstructor]
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| 38 | private SinglePositionBitflipManipulator(bool deserializing) : base(deserializing) { }
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| 39 | private SinglePositionBitflipManipulator(SinglePositionBitflipManipulator original, Cloner cloner) : base(original, cloner) { }
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| 40 | public SinglePositionBitflipManipulator() : base() { }
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| 41 |
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| 42 | public override IDeepCloneable Clone(Cloner cloner) {
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| 43 | return new SinglePositionBitflipManipulator(this, cloner);
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| 44 | }
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| 45 |
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[3062] | 46 | /// <summary>
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| 47 | /// Performs the single position bitflip mutation on a binary vector.
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| 48 | /// </summary>
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| 49 | /// <param name="random">The random number generator to use.</param>
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| 50 | /// <param name="vector">The vector that should be manipulated.</param>
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| 51 | public static void Apply(IRandom random, BinaryVector vector) {
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| 52 | int position = random.Next(vector.Length);
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| 53 |
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| 54 | vector[position] = !vector[position];
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| 55 | }
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| 56 |
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| 57 | /// <summary>
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| 58 | /// Forwards the call to <see cref="Apply(IRandom, BinaryVector)"/>.
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| 59 | /// </summary>
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| 60 | /// <param name="random">The random number generator to use.</param>
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| 61 | /// <param name="realVector">The vector of binary values to manipulate.</param>
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| 62 | protected override void Manipulate(IRandom random, BinaryVector binaryVector) {
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| 63 | Apply(random, binaryVector);
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| 64 | }
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| 65 | }
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| 66 | }
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