1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.math4.legacy.exception;
18
19 import org.apache.commons.math4.legacy.exception.util.LocalizedFormats;
20
21 /**
22 * Exception to be thrown when a number is not a number.
23 *
24 * @since 3.1
25 */
26 public class NotANumberException extends MathIllegalNumberException {
27 /** Serializable version Id. */
28 private static final long serialVersionUID = 20120906L;
29
30 /**
31 * Construct the exception.
32 */
33 public NotANumberException() {
34 super(LocalizedFormats.NAN_NOT_ALLOWED, Double.valueOf(Double.NaN));
35 }
36 }