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The Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.math;

/**
 * Exeption thrown when a sample contains several entries at the same abscissa.
 * 
 * @since 1.2
 * @version $Revision: 746578 $ $Date: 2009-02-21 15:01:14 -0500 (Sat, 21 Feb 2009) $
 */
public class DuplicateSampleAbscissaException extends MathException  {
    
    /** Serializable version identifier */
    private static final long serialVersionUID = -2271007547170169872L;

    /**
     * Construct an exception indicating the duplicate abscissa.
     * @param abscissa duplicate abscissa
     * @param i1 index of one entry having the duplicate abscissa
     * @param i2 index of another entry having the duplicate abscissa
     */
    public DuplicateSampleAbscissaException(double abscissa, int i1, int i2) {
        super("Abscissa {0} is duplicated at both indices {1} and {2}",
              abscissa, i1, i2);
    }

    /**
     * Get the duplicate abscissa.
     * @return duplicate abscissa
     */
    public double getDuplicateAbscissa() {
        return ((Double) getArguments()[0]).doubleValue();
    }
    
}