Changeset 14768 for branches/EfficientGlobalOptimization/HeuristicLab.Algorithms.EGO/EgoUtilities.cs

Timestamp:

03/20/17 12:07:20 (7 years ago)

Author:

bwerth

Message:

#2745 fixed pausing and stopping and namespaces; Added MaximalDatasetSize and rudimentary ISurrogateAlgorithm-interface

Location:

branches/EfficientGlobalOptimization/HeuristicLab.Algorithms.EGO

Files:

• . (modified) (2 props)
• EgoUtilities.cs (modified) (2 diffs)

branches/EfficientGlobalOptimization/HeuristicLab.Algorithms.EGO/EgoUtilities.cs

@@ -52 +52 @@
 
     public static ResultCollection SyncRunSubAlgorithm(IAlgorithm alg, int random) {
+
+      if (alg.Parameters.ContainsKey("SetSeedRandomly") && alg.Parameters.ContainsKey("Seed")) {
+        var setSeed = alg.Parameters["SetSeedRandomly"].ActualValue as BoolValue;
+        var seed = alg.Parameters["Seed"].ActualValue as IntValue;
+        if (seed == null || setSeed == null) throw new ArgumentException("wrong SeedParametertypes");
+        setSeed.Value = false;
+        seed.Value = random;
+
+      }
+
+
       EventWaitHandle trigger = new AutoResetEvent(false);
       Exception ex = null;
@@ -103 +114 @@
       return new Dataset(names.Concat(new[] { "output" }).ToArray(), data);
     }
+    public static DoubleMatrix GetBoundingBox(IEnumerable<RealVector> vectors) {
+      DoubleMatrix res = null;
+      foreach (var vector in vectors)
+        if (res == null) {
+          res = new DoubleMatrix(vector.Length, 2);
+          for (var i = 0; i < vector.Length; i++)
+            res[i, 0] = res[i, 1] = vector[i];
+        } else
+          for (var i = 0; i < vector.Length; i++) {
+            res[i, 0] = Math.Min(vector[i], res[i, 0]);
+            res[i, 1] = Math.Max(vector[i], res[i, 1]);
+          }
+      return res;
+    }
   }
 }