001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.math3.linear;
018    
019    /**
020     * Marker class for RealVectors that require sparse backing storage
021     * @version $Id: SparseRealVector.java 1416643 2012-12-03 19:37:14Z tn $
022     * @since 2.0
023     * @deprecated As of version 3.1, this class is deprecated, for reasons exposed
024     * in this JIRA
025     * <a href="https://issues.apache.org/jira/browse/MATH-870">ticket</a>. This
026     * class will be removed in version 4.0.
027     *
028     */
029    @Deprecated
030    public abstract class SparseRealVector extends RealVector {}