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source: branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/GurobiSolver.cs @ 16718

Last change on this file since 16718 was 16718, checked in by ddorfmei, 5 years ago

#2931: Cleanup, fixed spelling mistakes

File size: 2.7 KB
RevLine 
[16288]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
[16373]22using System;
[16582]23using Google.OrTools.LinearSolver;
[16288]24using HeuristicLab.Common;
[16233]25using HeuristicLab.Core;
[16172]26using HeuristicLab.Data;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
[16582]30namespace HeuristicLab.ExactOptimization.LinearProgramming {
[16233]31
[16718]32  [Item("Gurobi", "Gurobi (http://www.gurobi.com/) must be installed and licensed.")]
[16172]33  [StorableClass]
[16405]34  public class GurobiSolver : ExternalIncrementalLinearSolver {
[16172]35
36    public GurobiSolver() {
[16233]37      Parameters.Add(libraryNameParam = new FixedValueParameter<FileValue>(nameof(LibraryName),
[16234]38        new FileValue { FileDialogFilter = FileDialogFilter, Value = Properties.Settings.Default.GurobiLibraryName }));
[16405]39      SolverSpecificParameters =
[16373]40        "# for file format, see http://www.gurobi.com/documentation/8.1/refman/prm_format.html" + Environment.NewLine +
41        "# for parameters, see http://www.gurobi.com/documentation/8.1/refman/parameters.html" + Environment.NewLine +
[16582]42        "# examples:" + Environment.NewLine +
43        "# Seed 10" + Environment.NewLine +
44        "# Method 2 # Barrier (LP, root node of MIP)" + Environment.NewLine +
45        "# NodeMethod 2 # Barrier (MIP)" + Environment.NewLine;
[16172]46    }
47
[16233]48    protected GurobiSolver(GurobiSolver original, Cloner cloner)
49          : base(original, cloner) {
[16373]50      problemTypeParam = cloner.Clone(original.problemTypeParam);
[16233]51    }
52
[16288]53    [StorableConstructor]
54    protected GurobiSolver(bool deserializing)
55      : base(deserializing) {
56    }
57
[16582]58    protected override Solver.OptimizationProblemType OptimizationProblemType =>
[16373]59      ProblemType == ProblemType.LinearProgramming
[16582]60        ? Solver.OptimizationProblemType.GurobiLinearProgramming
61        : Solver.OptimizationProblemType.GurobiMixedIntegerProgramming;
62
63    public override IDeepCloneable Clone(Cloner cloner) => new GurobiSolver(this, cloner);
[16172]64  }
[16288]65}
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