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.exception;
018    
019    import org.apache.commons.math3.exception.util.LocalizedFormats;
020    
021    /**
022     * Exception to be thrown when a number is not a number.
023     *
024     * @since 3.1
025     * @version $Id: NotANumberException.java 1422195 2012-12-15 06:45:18Z psteitz $
026     */
027    public class NotANumberException extends MathIllegalNumberException {
028        /** Serializable version Id. */
029        private static final long serialVersionUID = 20120906L;
030    
031        /**
032         * Construct the exception.
033         */
034        public NotANumberException() {
035            super(LocalizedFormats.NAN_NOT_ALLOWED, Double.NaN);
036        }
037    
038    }