diff options
Diffstat (limited to 'test/de/lmu/ifi/dbs/elki/index/preprocessed/TestMaterializedKNNAndRKNNPreprocessor.java')
-rw-r--r-- | test/de/lmu/ifi/dbs/elki/index/preprocessed/TestMaterializedKNNAndRKNNPreprocessor.java | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/test/de/lmu/ifi/dbs/elki/index/preprocessed/TestMaterializedKNNAndRKNNPreprocessor.java b/test/de/lmu/ifi/dbs/elki/index/preprocessed/TestMaterializedKNNAndRKNNPreprocessor.java index 0ef07a69..3d6e1ba7 100644 --- a/test/de/lmu/ifi/dbs/elki/index/preprocessed/TestMaterializedKNNAndRKNNPreprocessor.java +++ b/test/de/lmu/ifi/dbs/elki/index/preprocessed/TestMaterializedKNNAndRKNNPreprocessor.java @@ -34,6 +34,7 @@ import org.junit.Test; import de.lmu.ifi.dbs.elki.JUnit4Test; import de.lmu.ifi.dbs.elki.data.DoubleVector; +import de.lmu.ifi.dbs.elki.data.NumberVector; import de.lmu.ifi.dbs.elki.data.VectorUtil; import de.lmu.ifi.dbs.elki.data.type.TypeUtil; import de.lmu.ifi.dbs.elki.database.HashmapDatabase; @@ -41,22 +42,23 @@ import de.lmu.ifi.dbs.elki.database.UpdatableDatabase; import de.lmu.ifi.dbs.elki.database.ids.ArrayDBIDs; import de.lmu.ifi.dbs.elki.database.ids.DBIDUtil; import de.lmu.ifi.dbs.elki.database.ids.DBIDs; -import de.lmu.ifi.dbs.elki.database.query.DistanceResultPair; import de.lmu.ifi.dbs.elki.database.query.distance.DistanceQuery; import de.lmu.ifi.dbs.elki.database.query.knn.KNNQuery; -import de.lmu.ifi.dbs.elki.database.query.knn.KNNResult; import de.lmu.ifi.dbs.elki.database.query.knn.LinearScanKNNQuery; import de.lmu.ifi.dbs.elki.database.query.rknn.LinearScanRKNNQuery; import de.lmu.ifi.dbs.elki.database.query.rknn.RKNNQuery; import de.lmu.ifi.dbs.elki.database.relation.Relation; +import de.lmu.ifi.dbs.elki.database.relation.RelationUtil; import de.lmu.ifi.dbs.elki.datasource.FileBasedDatabaseConnection; import de.lmu.ifi.dbs.elki.datasource.bundle.MultipleObjectsBundle; import de.lmu.ifi.dbs.elki.distance.distancefunction.EuclideanDistanceFunction; +import de.lmu.ifi.dbs.elki.distance.distanceresultlist.DistanceDBIDResult; +import de.lmu.ifi.dbs.elki.distance.distanceresultlist.DistanceDBIDResultIter; +import de.lmu.ifi.dbs.elki.distance.distanceresultlist.KNNResult; import de.lmu.ifi.dbs.elki.distance.distancevalue.DoubleDistance; import de.lmu.ifi.dbs.elki.index.preprocessed.knn.MaterializeKNNAndRKNNPreprocessor; import de.lmu.ifi.dbs.elki.index.preprocessed.knn.MaterializeKNNPreprocessor; import de.lmu.ifi.dbs.elki.utilities.ClassGenericsUtil; -import de.lmu.ifi.dbs.elki.utilities.DatabaseUtil; import de.lmu.ifi.dbs.elki.utilities.exceptions.UnableToComplyException; import de.lmu.ifi.dbs.elki.utilities.optionhandling.ParameterException; import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.ListParameterization; @@ -131,10 +133,11 @@ public class TestMaterializedKNNAndRKNNPreprocessor implements JUnit4Test { // insert new objects List<DoubleVector> insertions = new ArrayList<DoubleVector>(); - DoubleVector o = DatabaseUtil.assumeVectorField(rep).getFactory(); + NumberVector.Factory<DoubleVector, ?> o = RelationUtil.getNumberVectorFactory(rep); + int dim = RelationUtil.dimensionality(rep); Random random = new Random(seed); for(int i = 0; i < updatesize; i++) { - DoubleVector obj = VectorUtil.randomVector(o, random); + DoubleVector obj = VectorUtil.randomVector(o, dim, random); insertions.add(obj); } System.out.println("Insert " + insertions); @@ -156,18 +159,24 @@ public class TestMaterializedKNNAndRKNNPreprocessor implements JUnit4Test { private void testKNNQueries(Relation<DoubleVector> rep, KNNQuery<DoubleVector, DoubleDistance> lin_knn_query, KNNQuery<DoubleVector, DoubleDistance> preproc_knn_query, int k) { ArrayDBIDs sample = DBIDUtil.ensureArray(rep.getDBIDs()); - List<KNNResult<DoubleDistance>> lin_knn_ids = lin_knn_query.getKNNForBulkDBIDs(sample, k); - List<KNNResult<DoubleDistance>> preproc_knn_ids = preproc_knn_query.getKNNForBulkDBIDs(sample, k); + List<? extends KNNResult<DoubleDistance>> lin_knn_ids = lin_knn_query.getKNNForBulkDBIDs(sample, k); + List<? extends KNNResult<DoubleDistance>> preproc_knn_ids = preproc_knn_query.getKNNForBulkDBIDs(sample, k); for(int i = 0; i < rep.size(); i++) { KNNResult<DoubleDistance> lin_knn = lin_knn_ids.get(i); KNNResult<DoubleDistance> pre_knn = preproc_knn_ids.get(i); - if(!lin_knn.equals(pre_knn)) { - System.out.println("LIN kNN " + lin_knn); - System.out.println("PRE kNN " + pre_knn); + DistanceDBIDResultIter<DoubleDistance> lin = lin_knn.iter(), pre = pre_knn.iter(); + for(; lin.valid() && pre.valid(); lin.advance(), pre.advance(), i++) { + if(!DBIDUtil.equal(lin, pre) && lin.getDistance().compareTo(pre.getDistance()) != 0) { + System.out.print("LIN kNN #" + i + " " + lin.getDistancePair()); + System.out.print(" <=> "); + System.out.print("PRE kNN #" + i + " " + pre.getDistancePair()); + System.out.println(); + break; + } } assertEquals("kNN sizes do not agree.", lin_knn.size(), pre_knn.size()); for(int j = 0; j < lin_knn.size(); j++) { - assertTrue("kNNs of linear scan and preprocessor do not match!", lin_knn.get(j).sameDBID(pre_knn.get(j))); + assertTrue("kNNs of linear scan and preprocessor do not match!", DBIDUtil.equal(lin_knn.get(j), pre_knn.get(j))); assertTrue("kNNs of linear scan and preprocessor do not match!", lin_knn.get(j).getDistance().equals(pre_knn.get(j).getDistance())); } } @@ -176,19 +185,25 @@ public class TestMaterializedKNNAndRKNNPreprocessor implements JUnit4Test { private void testRKNNQueries(Relation<DoubleVector> rep, RKNNQuery<DoubleVector, DoubleDistance> lin_rknn_query, RKNNQuery<DoubleVector, DoubleDistance> preproc_rknn_query, int k) { ArrayDBIDs sample = DBIDUtil.ensureArray(rep.getDBIDs()); - List<List<DistanceResultPair<DoubleDistance>>> lin_rknn_ids = lin_rknn_query.getRKNNForBulkDBIDs(sample, k); - List<List<DistanceResultPair<DoubleDistance>>> preproc_rknn_ids = preproc_rknn_query.getRKNNForBulkDBIDs(sample, k); + List<? extends DistanceDBIDResult<DoubleDistance>> lin_rknn_ids = lin_rknn_query.getRKNNForBulkDBIDs(sample, k); + List<? extends DistanceDBIDResult<DoubleDistance>> preproc_rknn_ids = preproc_rknn_query.getRKNNForBulkDBIDs(sample, k); for(int i = 0; i < rep.size(); i++) { - List<DistanceResultPair<DoubleDistance>> lin_rknn = lin_rknn_ids.get(i); - List<DistanceResultPair<DoubleDistance>> pre_rknn = preproc_rknn_ids.get(i); - if(!lin_rknn.equals(pre_rknn)) { - System.out.println("LIN RkNN " + lin_rknn); - System.out.println("PRE RkNN " + pre_rknn); - System.out.println(); + DistanceDBIDResult<DoubleDistance> lin_rknn = lin_rknn_ids.get(i); + DistanceDBIDResult<DoubleDistance> pre_rknn = preproc_rknn_ids.get(i); + + DistanceDBIDResultIter<DoubleDistance> lin = lin_rknn.iter(), pre = pre_rknn.iter(); + for(; lin.valid() && pre.valid(); lin.advance(), pre.advance(), i++) { + if(!DBIDUtil.equal(lin, pre) || lin.getDistance().compareTo(pre.getDistance()) != 0) { + System.out.print("LIN RkNN #" + i + " " + lin); + System.out.print(" <=> "); + System.out.print("PRE RkNN #" + i + " " + pre); + System.out.println(); + break; + } } assertEquals("rkNN sizes do not agree for k=" + k, lin_rknn.size(), pre_rknn.size()); for(int j = 0; j < lin_rknn.size(); j++) { - assertTrue("rkNNs of linear scan and preprocessor do not match!", lin_rknn.get(j).sameDBID(pre_rknn.get(j))); + assertTrue("rkNNs of linear scan and preprocessor do not match!", DBIDUtil.equal(lin_rknn.get(j), pre_rknn.get(j))); assertTrue("rkNNs of linear scan and preprocessor do not match!", lin_rknn.get(j).getDistance().equals(pre_rknn.get(j).getDistance())); } } |