[14659] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16453] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[14659] | 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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[15067] | 22 | using System;
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[14659] | 23 | using System.Collections.Generic;
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[15067] | 24 | using HeuristicLab.PluginInfrastructure;
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[16559] | 25 | using HEAL.Attic;
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[14659] | 26 |
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| 27 | namespace HeuristicLab.Encodings.IntegerVectorEncoding {
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[15067] | 28 | [NonDiscoverableType]
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[16474] | 29 | [StorableType("33f5a8c1-8230-495f-8b8e-475bf69ac9a4")]
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[14659] | 30 | public class IntegerVectorEqualityComparer : EqualityComparer<IntegerVector> {
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| 31 | public override bool Equals(IntegerVector x, IntegerVector y) {
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[15162] | 32 | if (ReferenceEquals(x, y)) return true;
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[14659] | 33 | if (x == null || y == null) return false;
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| 34 | if (x.Length != y.Length) return false;
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| 35 | for (var i = 0; i < x.Length; i++)
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| 36 | if (x[i] != y[i]) return false;
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| 37 | return true;
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| 38 | }
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| 39 |
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| 40 | public override int GetHashCode(IntegerVector obj) {
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[15067] | 41 | if (obj == null) throw new ArgumentNullException("obj", "IntegerVectorEqualityComparer: Cannot compute hash value of null.");
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[14659] | 42 | unchecked {
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| 43 | int hash = 17;
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| 44 | foreach (var o in obj)
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| 45 | hash = hash * 31 + o.GetHashCode();
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| 46 | return hash;
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| 47 | }
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| 48 | }
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| 49 | }
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| 50 | }
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