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    
018    package org.apache.commons.math.linear;
019    
020    import org.apache.commons.math.MathException;
021    import org.apache.commons.math.exception.util.LocalizedFormats;
022    
023    /**
024     * This class represents exceptions thrown when a matrix expected to
025     * be positive definite is not.
026     *
027     * @since 1.2
028     * @version $Revision: 983921 $ $Date: 2010-08-10 12:46:06 +0200 (mar. 10 ao??t 2010) $
029     */
030    
031    public class NotPositiveDefiniteMatrixException extends MathException {
032    
033        /** Serializable version identifier */
034        private static final long serialVersionUID = 4122929125438624648L;
035    
036        /** Simple constructor.
037         * build an exception with a default message.
038         */
039        public NotPositiveDefiniteMatrixException() {
040            super(LocalizedFormats.NOT_POSITIVE_DEFINITE_MATRIX);
041        }
042    
043    }