Changeset 16582 for branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/CplexSolver.cs

Timestamp:

01/29/19 17:45:06 (5 years ago)

Author:

ddorfmei

Message:

#2931: solved the issues found during the review

File:

• branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/CplexSolver.cs (modified) (4 diffs)

branches/2931_OR-Tools_LP_MIP/HeuristicLab.MathematicalOptimization/3.3/LinearProgramming/Algorithms/Solvers/CplexSolver.cs

@@ -21 +21 @@
 
 using System;
+using Google.OrTools.LinearSolver;
 using HeuristicLab.Common;
 using HeuristicLab.Core;
@@ -27 +28 @@
 using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
 
-namespace HeuristicLab.MathematicalOptimization.LinearProgramming {
+namespace HeuristicLab.ExactOptimization.LinearProgramming {
 
   [Item("CPLEX", "CPLEX (https://www.ibm.com/analytics/cplex-optimizer) must be installed and licenced.")]
@@ -40 +41 @@
         "# for file format, see https://www.ibm.com/support/knowledgecenter/SSSA5P_12.8.0/ilog.odms.cplex.help/CPLEX/FileFormats/topics/PRM.html" + Environment.NewLine +
         "# for parameters, see https://www.ibm.com/support/knowledgecenter/SSSA5P_12.8.0/ilog.odms.cplex.help/CPLEX/Parameters/topics/introListTopical.html" + Environment.NewLine +
-        "# example:" + Environment.NewLine +
-        "# CPXPARAM_RandomSeed 10" + Environment.NewLine;
+        "# examples:" + Environment.NewLine +
+        "# CPXPARAM_RandomSeed 10" + Environment.NewLine +
+        "# CPXPARAM_LPMethod 4 # Barrier (LP)" + Environment.NewLine +
+        "# CPXPARAM_MIP_Strategy_SubAlgorithm 4 # Barrier (MIP)" + Environment.NewLine +
+        "# CPXPARAM_MIP_Strategy_Search 2 # Apply dynamic search (MIP)" + Environment.NewLine;
     }
 
@@ -53 +57 @@
     }
 
-    protected override OptimizationProblemType OptimizationProblemType =>
+    protected override Solver.OptimizationProblemType OptimizationProblemType =>
       ProblemType == ProblemType.LinearProgramming
-        ? OptimizationProblemType.CplexLinearProgramming
-        : OptimizationProblemType.CplexMixedIntegerProgramming;
+        ? Solver.OptimizationProblemType.CplexLinearProgramming
+        : Solver.OptimizationProblemType.CplexMixedIntegerProgramming;
+
+    public override IDeepCloneable Clone(Cloner cloner) => new CplexSolver(this, cloner);
   }
 }