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.geometry;
019    
020    import org.apache.commons.math.MathException;
021    
022    /** This class represents exceptions thrown while extractiong Cardan
023     * or Euler angles from a rotation.
024    
025     * @version $Revision: 746578 $ $Date: 2009-02-21 15:01:14 -0500 (Sat, 21 Feb 2009) $
026     * @since 1.2
027     */
028    public class CardanEulerSingularityException
029      extends MathException {
030    
031      /** 
032       * Simple constructor.
033       * build an exception with a default message.
034       * @param isCardan if true, the rotation is related to Cardan angles,
035       * if false it is related to EulerAngles
036       */
037      public CardanEulerSingularityException(boolean isCardan) {
038        super(isCardan ? "Cardan angles singularity" : "Euler angles singularity");
039      }
040    
041      /** Serializable version identifier */
042      private static final long serialVersionUID = -1360952845582206770L;
043    
044    }