diff options
author | Andrej Shadura <andrewsh@debian.org> | 2019-03-09 22:30:28 +0000 |
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committer | Andrej Shadura <andrewsh@debian.org> | 2019-03-09 22:30:28 +0000 |
commit | cde76aeb42240f7270bc6605c606ae07d2dc5a7d (patch) | |
tree | c3ebf1d7745224f524da31dbabc5d76b9ea75916 /src/de/lmu/ifi/dbs/elki/data/SparseFeatureVector.java |
Import Upstream version 0.4.0~beta1
Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/data/SparseFeatureVector.java')
-rw-r--r-- | src/de/lmu/ifi/dbs/elki/data/SparseFeatureVector.java | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/data/SparseFeatureVector.java b/src/de/lmu/ifi/dbs/elki/data/SparseFeatureVector.java new file mode 100644 index 00000000..a3f4c282 --- /dev/null +++ b/src/de/lmu/ifi/dbs/elki/data/SparseFeatureVector.java @@ -0,0 +1,42 @@ +package de.lmu.ifi.dbs.elki.data; +/* +This file is part of ELKI: +Environment for Developing KDD-Applications Supported by Index-Structures + +Copyright (C) 2011 +Ludwig-Maximilians-Universität München +Lehr- und Forschungseinheit für Datenbanksysteme +ELKI Development Team + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU Affero General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Affero General Public License for more details. + +You should have received a copy of the GNU Affero General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +import java.util.BitSet; + +/** + * Extended interface for sparse feature vector types + * + * @author Erich Schubert + * + * @param <V> Vector type (self-reference + * @param <D> Data type + */ +public interface SparseFeatureVector<V extends SparseFeatureVector<V, D>, D> extends FeatureVector<V, D> { + /** + * Bit set of non-null features + * + * @return Bit set + */ + public BitSet getNotNullMask(); +} |