1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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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22 | using System;
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23 | using System.Linq;
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24 |
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25 | namespace HeuristicLab.Problems.Instances.TSPLIB {
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26 | public class TSPLIBATSPInstanceProvider : TSPLIBInstanceProvider<ATSPData> {
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27 |
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28 | public override string Name {
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29 | get { return "TSPLIB (asymmetric TSP)"; }
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30 | }
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31 |
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32 | public override string Description {
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33 | get { return "Traveling Salesman Problem Library"; }
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34 | }
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35 |
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36 | protected override string FileExtension { get { return "atsp"; } }
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37 |
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38 | protected override ATSPData LoadInstance(TSPLIBParser parser, IDataDescriptor descriptor = null) {
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39 | var instance = new ATSPData();
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40 |
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41 | parser.Parse();
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42 | instance.Dimension = parser.Dimension;
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43 | instance.Coordinates = parser.DisplayVertices != null ? parser.DisplayVertices : parser.Vertices;
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44 | instance.Distances = parser.Distances;
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45 |
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46 | instance.Name = parser.Name;
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47 | instance.Description = parser.Comment
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48 | + Environment.NewLine + Environment.NewLine
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49 | + GetInstanceDescription();
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50 |
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51 | return instance;
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52 | }
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53 |
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54 | protected override void LoadSolution(TSPLIBParser parser, ATSPData instance) {
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55 | parser.Parse();
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56 | instance.BestKnownTour = parser.Tour.FirstOrDefault();
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57 | }
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58 |
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59 | protected override void LoadQuality(double? bestQuality, ATSPData instance) {
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60 | instance.BestKnownQuality = bestQuality;
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61 | }
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62 | }
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63 | }
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