Java Array Sum sum(double[] data)

Description

Build the sum of all elements in the array, ignoring elements that are NaN.

License

Open Source License

Parameter

Parameter	Description
data	a parameter

Declaration

public static double sum(double[] data) 

Method Source Code

//package com.java2s;
/**/*from w ww.  j  a v  a  2s . c o m*/
 * Copyright 2004-2006 DFKI GmbH.
 * All Rights Reserved.  Use is subject to license terms.
 * 
 * Permission is hereby granted, free of charge, to use and distribute
 * this software and its documentation without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of this work, and to
 * permit persons to whom this work is furnished to do so, subject to
 * the following conditions:
 * 
 * 1. The code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 * 2. Any modifications must be clearly marked as such.
 * 3. Original authors' names are not deleted.
 * 4. The authors' names are not used to endorse or promote products
 *    derived from this software without specific prior written
 *    permission.
 *
 * DFKI GMBH AND THE CONTRIBUTORS TO THIS WORK DISCLAIM ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DFKI GMBH NOR THE
 * CONTRIBUTORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
 * THIS SOFTWARE.
 */

public class Main {
    /**
     * Build the sum of all elements in the array, ignoring elements that are NaN.
     * @param data
     * @return
     */
    public static double sum(double[] data) {
        double sum = 0.0;
        for (int i = 0; i < data.length; i++) {
            if (Double.isNaN(data[i]))
                continue;
            sum += data[i];
        }
        return sum;
    }
}

Related

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2. sum(Double[] array)
3. sum(double[] array)
4. sum(double[] array)
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9. sum(double[] output, double[] a, double[] b)