#region License Information /* HeuristicLab * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using HeuristicLab.PluginInfrastructure; namespace HeuristicLab.Encodings.IntegerVectorEncoding { [NonDiscoverableType] public class IntegerVectorEqualityComparer : EqualityComparer { public override bool Equals(IntegerVector x, IntegerVector y) { if (ReferenceEquals(x, y)) return true; if (x == null || y == null) return false; if (x.Length != y.Length) return false; for (var i = 0; i < x.Length; i++) if (x[i] != y[i]) return false; return true; } public override int GetHashCode(IntegerVector obj) { if (obj == null) throw new ArgumentNullException("obj", "IntegerVectorEqualityComparer: Cannot compute hash value of null."); unchecked { int hash = 17; foreach (var o in obj) hash = hash * 31 + o.GetHashCode(); return hash; } } } }