Changeset 15158 for trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/KernelRidgeRegression/KernelFunctions/PolysplineKernel.cs

Timestamp:

07/06/17 13:35:49 (7 years ago)

Author:

bwerth

Message:

#2699 added checks for Beta == null and according exceptions

File:

• trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/KernelRidgeRegression/KernelFunctions/PolysplineKernel.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/KernelRidgeRegression/KernelFunctions/PolysplineKernel.cs

@@ -57 +57 @@
 
     protected override double Get(double norm) {
+      if (Beta == null) throw new InvalidOperationException("Can not calculate kernel distance while Beta is null");
       var beta = Beta.Value;
       if (Math.Abs(beta) < double.Epsilon) return double.NaN;
@@ -65 +66 @@
     //-degree/beta * (norm/beta)^degree
     protected override double GetGradient(double norm) {
+      if (Beta == null) throw new InvalidOperationException("Can not calculate kernel distance gradient while Beta is null");
       var beta = Beta.Value;
       if (Math.Abs(beta) < double.Epsilon) return double.NaN;