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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  
18  package org.apache.commons.math.random;
19  
20  import org.apache.commons.math.MathException;
21  
22  /** 
23   * This class represents exceptions thrown by the correlated random
24   * vector generator.
25   * 
26   * @since 1.2
27   * @version $Revision: 615734 $ $Date: 2008-01-27 23:10:03 -0700 (Sun, 27 Jan 2008) $
28   */
29  
30  public class NotPositiveDefiniteMatrixException extends MathException {
31  
32      /** Serializable version identifier */
33      private static final long serialVersionUID = 4122929125438624648L;
34  
35      /** Simple constructor.
36       * build an exception with a default message.
37       */
38      public NotPositiveDefiniteMatrixException() {
39          super("not positive definite matrix", new Object[0]);
40      }
41  
42  }