Changeset 10127 for branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers

Timestamp:

11/11/13 22:41:09 (11 years ago)

Author:

ascheibe

Message:

#1886 fixed a bug in metric mds and added another unit test

File:

• branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers/3.3/DistanceMatrixToPoints.cs (modified) (2 diffs)

branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers/3.3/DistanceMatrixToPoints.cs

@@ -154 +154 @@
       }
 
-      double k1 = SumIfLZero(ev);
+      int k1 = SumIfLZero(ev);
       if (k1 < k) {
         throw new Exception("Zero-eigenvalues detected. This leads to a degenerate point set. Use constants. ");
-        //TODO: handling of this case; implement adding of constants
       }
 
@@ -227 +226 @@
     }
 
-    private static double SumIfLZero(double[] a) {
-      return a.Where(x => x > 0.0 && !x.IsAlmost(0.0)).Sum();
+    private static int SumIfLZero(double[] a) {
+      return a.Count(x => x > 0.0 && !x.IsAlmost(0.0));
     }