source: branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/GurobiSolver.cs @ 16405

Last change on this file since 16405 was 16405, checked in by ddorfmei, 3 months ago

#2931:

  • moved views to separate plugin HeuristicLab.MathematicalOptimization.Views
  • added button in LinearProgrammingProblemView to select the problem definition type
  • added views for problem definitions
  • added ExportFile parameter to LinearProgrammingAlgorithm
  • extended FileValue and FileValueView by the option to save a file
  • code cleanup
File size: 2.4 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 HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.MathematicalOptimization.LinearProgramming {
30
31  [Item("Gurobi", "Gurobi (http://www.gurobi.com/) must be installed and licenced.")]
32  [StorableClass]
33  public class GurobiSolver : ExternalIncrementalLinearSolver {
34
35    public GurobiSolver() {
36      Parameters.Add(libraryNameParam = new FixedValueParameter<FileValue>(nameof(LibraryName),
37        new FileValue { FileDialogFilter = FileDialogFilter, Value = Properties.Settings.Default.GurobiLibraryName }));
38      SolverSpecificParameters =
39        "# for file format, see http://www.gurobi.com/documentation/8.1/refman/prm_format.html" + Environment.NewLine +
40        "# for parameters, see http://www.gurobi.com/documentation/8.1/refman/parameters.html" + Environment.NewLine +
41        "# example:" + Environment.NewLine +
42        "# Seed 10" + Environment.NewLine;
43    }
44
45    protected GurobiSolver(GurobiSolver original, Cloner cloner)
46          : base(original, cloner) {
47      problemTypeParam = cloner.Clone(original.problemTypeParam);
48    }
49
50    [StorableConstructor]
51    protected GurobiSolver(bool deserializing)
52      : base(deserializing) {
53    }
54
55    protected override OptimizationProblemType OptimizationProblemType =>
56      ProblemType == ProblemType.LinearProgramming
57        ? OptimizationProblemType.GurobiLinearProgramming
58        : OptimizationProblemType.GurobiMixedIntegerProgramming;
59  }
60}
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