Changeset 7995 for trunk/sources/HeuristicLab.Selection/3.3/WorstSelector.cs

Timestamp:

06/13/12 09:01:31 (12 years ago)

Author:

mkommend

Message:

#1871: Added quality checks in all SingleObjectiveSelectors.

File:

• trunk/sources/HeuristicLab.Selection/3.3/WorstSelector.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Selection/3.3/WorstSelector.cs

@@ -20 +20 @@
 #endregion
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -51 +52 @@
 
       // create a list for each scope that contains the scope's index in the original scope list
-      var temp = qualities.Select((x, index) => new { index, x.Value });
+      var temp = qualities.Where(x => IsValidQuality(x.Value)).Select((x, index) => new { index, x.Value });
       if (maximization)
         temp = temp.OrderBy(x => x.Value);
@@ -57 +58 @@
         temp = temp.OrderByDescending(x => x.Value);
       var list = temp.ToList();
+
+      //check if list with indexes is as long as the original scope list
+      //otherwise invalid quality values were filtered
+      if (list.Count != scopes.Count) {
+        throw new ArgumentException("The scopes contain invalid quality values (either infinity or double.NaN) on which the selector cannot operate.");
+      }
 
       if (copy) {