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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.geometry;
19  
20  import org.apache.commons.math.MathException;
21  
22  /** This class represents exceptions thrown while extractiong Cardan
23   * or Euler angles from a rotation.
24  
25   * @version $Revision: 746578 $ $Date: 2009-02-21 15:01:14 -0500 (Sat, 21 Feb 2009) $
26   * @since 1.2
27   */
28  public class CardanEulerSingularityException
29    extends MathException {
30  
31    /** 
32     * Simple constructor.
33     * build an exception with a default message.
34     * @param isCardan if true, the rotation is related to Cardan angles,
35     * if false it is related to EulerAngles
36     */
37    public CardanEulerSingularityException(boolean isCardan) {
38      super(isCardan ? "Cardan angles singularity" : "Euler angles singularity");
39    }
40  
41    /** Serializable version identifier */
42    private static final long serialVersionUID = -1360952845582206770L;
43  
44  }