Changeset 6342 for trunk/sources/HeuristicLab.Problems.QuadraticAssignment/3.3/Evaluators

Timestamp:

05/30/11 18:07:32 (14 years ago)

Author:

abeham

Message:

#1465, #1469, #1470, #1494, #1496, #1497, #1539, #1487

• merged to trunk

Location:

trunk/sources

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.QuadraticAssignment/3.3/Evaluators/QAPEvaluator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.QuadraticAssignment/3.3/Evaluators/QAPEvaluator.cs

@@ -69 +69 @@
     }
 
+    public static double Impact(int facility, Permutation assignment, DoubleMatrix weights, DoubleMatrix distances) {
+      double impact = 0;
+      for (int i = 0; i < assignment.Length; i++) {
+        impact += weights[facility, i] * distances[assignment[facility], assignment[i]];
+        impact += weights[i, facility] * distances[assignment[i], assignment[facility]];
+      }
+      return impact;
+    }
+
     public override IOperation Apply() {
       Permutation assignment = PermutationParameter.ActualValue;