Changeset 6506 for trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Manipulators

Timestamp:

07/04/11 22:17:22 (13 years ago)

Author:

abeham

Message:

#1571

• fixed bug in the Polynomial*PositionManipulator
• updated test case

Location:

trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Manipulators

Files:

• PolynomialAllPositionManipulator.cs (modified) (1 diff)
• PolynomialOnePositionManipulator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Manipulators/PolynomialAllPositionManipulator.cs

@@ -87 +87 @@
         if (u < 0.5) {
           delta = Math.Pow(2 * u, 1.0 / (contiguity.Value + 1)) - 1.0;
-        } else if (u > 0.5) {
-          delta = 1.0 - Math.Pow(2.0 - 2.0 * u, 1.0 / contiguity.Value + 1);
-        } else if (u == 0.5) delta = 0;
+        } else if (u >= 0.5) {
+          delta = 1.0 - Math.Pow(2.0 - 2.0 * u, 1.0 / (contiguity.Value + 1));
+        }
 
         vector[index] += delta * maxManipulation.Value;

trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Manipulators/PolynomialOnePositionManipulator.cs

@@ -89 +89 @@
       if (u < 0.5) {
         delta = Math.Pow(2 * u, 1.0 / (contiguity + 1)) - 1.0;
-      } else if (u > 0.5) {
-        delta = 1.0 - Math.Pow(2.0 - 2.0 * u, 1.0 / contiguity + 1);
-      } else delta = 0;
+      } else if (u >= 0.5) {
+        delta = 1.0 - Math.Pow(2.0 - 2.0 * u, 1.0 / (contiguity + 1));
+      }
 
       return delta;