    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 {}