Changeset 11087 for trunk/sources/HeuristicLab.Problems.LinearAssignment/3.3/LinearAssignmentProblem.cs

Timestamp:

07/04/14 16:31:30 (10 years ago)

Author:

abeham

Message:

#2131: Fixed maximization in LAP (by using negative cost matrix)

File:

• trunk/sources/HeuristicLab.Problems.LinearAssignment/3.3/LinearAssignmentProblem.cs (modified) (4 diffs)

trunk/sources/HeuristicLab.Problems.LinearAssignment/3.3/LinearAssignmentProblem.cs

@@ -33 +33 @@
 
 namespace HeuristicLab.Problems.LinearAssignment {
-  [Item("LinearAssignmentProblem", "In the linear assignment problem (LAP) an assignment of workers to jobs has to be found such that each worker is assigned to exactly one job, each job is assigned to exactly one worker and the sum of the resulting costs needs to be minimal.")]
+  [Item("LinearAssignmentProblem", "In the linear assignment problem (LAP) an assignment of workers to jobs has to be found such that each worker is assigned to exactly one job, each job is assigned to exactly one worker and the sum of the resulting costs is minimal (or maximal).")]
   [Creatable("Problems")]
   [StorableClass]
@@ -153 +153 @@
       }
     }
+    private void Costs_Reset(object sender, EventArgs e) {
+      Parameterize();
+    }
     private void SolutionCreator_PermutationParameter_ActualNameChanged(object sender, EventArgs e) {
       Parameterize();
@@ -167 +170 @@
       Costs.RowsChanged += new EventHandler(Costs_RowsChanged);
       Costs.ColumnsChanged += new EventHandler(Costs_ColumnsChanged);
+      Costs.Reset += new EventHandler(Costs_Reset);
       SolutionCreator.PermutationParameter.ActualNameChanged += new EventHandler(SolutionCreator_PermutationParameter_ActualNameChanged);
     }
@@ -178 +182 @@
     private void Parameterize() {
       SolutionCreator.LengthParameter.Value = new IntValue(Costs.Rows);
-      SolutionCreator.LengthParameter.Hidden = false;
+      SolutionCreator.LengthParameter.Hidden = true;
+      SolutionCreator.PermutationTypeParameter.Value = new PermutationType(PermutationTypes.Absolute);
+      SolutionCreator.PermutationTypeParameter.Hidden = true;
       Evaluator.CostsParameter.ActualName = CostsParameter.Name;
       Evaluator.CostsParameter.Hidden = true;