source: branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/CoinOrSolver.cs @ 16736

Last change on this file since 16736 was 16736, checked in by ddorfmei, 5 months ago

#2931: Upgraded persistence to HEAL.Attic

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 Google.OrTools.LinearSolver;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HEAL.Attic;
26
27namespace HeuristicLab.ExactOptimization.LinearProgramming {
28
29  [Item("Clp/Cbc", "Clp (https://projects.coin-or.org/Clp) and Cbc (https://projects.coin-or.org/Cbc) can be used out of the box.")]
30  [StorableType("53148A15-C754-4CCA-AFAA-200916CDB7F5")]
31  public class CoinOrSolver : IncrementalLinearSolver {
32
33    public CoinOrSolver() {
34      Parameters.Remove(solverSpecificParametersParam);
35    }
36
37    protected CoinOrSolver(CoinOrSolver original, Cloner cloner)
38      : base(original, cloner) {
39    }
40
41    [StorableConstructor]
42    protected CoinOrSolver(StorableConstructorFlag _) : base(_) { }
43
44    public override bool SupportsPause => false;
45
46    public override bool SupportsQualityUpdate => ProblemType == ProblemType.LinearProgramming;
47
48    public override bool SupportsStop => false;
49
50    protected override Solver.OptimizationProblemType OptimizationProblemType =>
51      ProblemType == ProblemType.LinearProgramming
52        ? Solver.OptimizationProblemType.ClpLinearProgramming
53        : Solver.OptimizationProblemType.CbcMixedIntegerProgramming;
54
55    public override IDeepCloneable Clone(Cloner cloner) => new CoinOrSolver(this, cloner);
56  }
57}
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