Changeset 10108 for branches/HeuristicLab.Analysis.AlgorithmBehavior/AlgorithmBehaviorUnitTests

Timestamp:

11/05/13 23:04:16 (11 years ago)

Author:

ascheibe

Message:

#1886 fixed metric MDS and updated unit test

Location:

branches/HeuristicLab.Analysis.AlgorithmBehavior/AlgorithmBehaviorUnitTests

Files:

• AlgorithmBehaviorUnitTests.csproj (modified) (1 diff)
• DistanceMatrixToPointsTest.cs (modified) (4 diffs)

branches/HeuristicLab.Analysis.AlgorithmBehavior/AlgorithmBehaviorUnitTests/AlgorithmBehaviorUnitTests.csproj

@@ -36 +36 @@
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="ALGLIB-3.7.0, Version=3.7.0.0, Culture=neutral, PublicKeyToken=ba48961d6f65dcec, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\..\trunk\sources\bin\ALGLIB-3.7.0.dll</HintPath>
+    </Reference>
     <Reference Include="HeuristicLab.Common-3.3">
       <HintPath>..\..\..\trunk\sources\bin\HeuristicLab.Common-3.3.dll</HintPath>

branches/HeuristicLab.Analysis.AlgorithmBehavior/AlgorithmBehaviorUnitTests/DistanceMatrixToPointsTest.cs

@@ -22 +22 @@
 using System;
 using HeuristicLab.Analysis.AlgorithmBehavior.Analyzers;
+using HeuristicLab.Common;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -28 +29 @@
   public class DistanceMatrixToPointsTest {
     [TestMethod]
-    public void TestDistanceMatrixConversion() {
-      int nrOfPoints = 4;
+    public void TestDistanceMatrixConversionStatic() {
+      int nrOfPoints = 3;
       int dim = 2;
       double[][] orgPoints = new double[nrOfPoints][];
@@ -36 +37 @@
       double[][] newPoints = null;
 
-
       AllocArray(orgPoints, dim);
       AllocArray(orgDm, nrOfPoints);
       AllocArray(newDm, nrOfPoints);
-      SamplePoints(orgPoints);
+      //SamplePoints(orgPoints);
+      StaticPoints(orgPoints);
       CalculateDistanceMatrix(orgDm, orgPoints);
 
-      newPoints = DistanceMatrixToPoints.ConvertDistanceMatrixToPoints(orgDm);
+      newPoints = DistanceMatrixToPoints.MetricMDS(orgDm);
 
       CalculateDistanceMatrix(newDm, newPoints);
-      //TODO
+      Console.WriteLine("orgDm:");
+      PrintDM(orgDm);
+      Console.WriteLine("newDm:");
+      PrintDM(newDm);
 
+      for (int i = 0; i < orgDm.Length; i++) {
+        for (int j = 0; j < orgDm.Length; j++) {
+          double diff = orgDm[i][j] - newDm[i][j];
+          Assert.IsTrue(diff.IsAlmost(0.0));
+        }
+      }
+    }
+
+    private static void PrintDM(double[][] dm) {
+      for (int i = 0; i < dm.Length; i++) {
+        for (int j = 0; j < dm.Length; j++) {
+          Console.Write(dm[i][j] + " ");
+        }
+        Console.WriteLine();
+      }
     }
 
@@ -60 +79 @@
     }
 
+    private static void StaticPoints(double[][] points) {
+      points[0][0] = 2;
+      points[0][1] = 1;
+
+      points[1][0] = 5;
+      points[1][1] = 5;
+
+      points[2][0] = 3;
+      points[2][1] = 7;
+    }
+
     private static void CalculateDistanceMatrix(double[][] dm, double[][] points) {
       for (int i = 0; i < points.Length; i++) {
         for (int j = 0; j < points.Length; j++) {
-          dm[i][j] = CalcEuclideanDistance(points[i], points[j]);
+          dm[i][j] = points[i].EuclideanDistance(points[j]);
         }
       }
-    }
-
-    private static double CalcEuclideanDistance(double[] p1, double[] p2) {
-      double result = 0.0;
-      for (int i = 0; i < p1.Length; i++) {
-        result += Math.Pow(p1[i] - p2[i], 2);
-      }
-      return Math.Sqrt(result);
     }