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source: branches/2901_StaticSelectionMethods/HeuristicLab.Problems.Instances.TSPLIB/3.3/TSPLIBATSPInstanceProvider.cs

Last change on this file was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Linq;
24
25namespace HeuristicLab.Problems.Instances.TSPLIB {
26  public class TSPLIBATSPInstanceProvider : TSPLIBInstanceProvider<ATSPData> {
27
28    public override string Name {
29      get { return "TSPLIB (asymmetric TSP)"; }
30    }
31
32    public override string Description {
33      get { return "Traveling Salesman Problem Library"; }
34    }
35
36    protected override string FileExtension { get { return "atsp"; } }
37
38    protected override ATSPData LoadInstance(TSPLIBParser parser, IDataDescriptor descriptor = null) {
39      var instance = new ATSPData();
40
41      parser.Parse();
42      instance.Dimension = parser.Dimension;
43      instance.Coordinates = parser.DisplayVertices != null ? parser.DisplayVertices : parser.Vertices;
44      instance.Distances = parser.Distances;
45
46      instance.Name = parser.Name;
47      instance.Description = parser.Comment
48        + Environment.NewLine + Environment.NewLine
49        + GetInstanceDescription();
50
51      return instance;
52    }
53
54    protected override void LoadSolution(TSPLIBParser parser, ATSPData instance) {
55      parser.Parse();
56      instance.BestKnownTour = parser.Tour.FirstOrDefault();
57    }
58
59    protected override void LoadQuality(double? bestQuality, ATSPData instance) {
60      instance.BestKnownQuality = bestQuality;
61    }
62  }
63}
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