Java Array Average average(double... vals)

Description

If you think your values will overflow this operation, then roll your own

License

BSD License

Parameter

Parameter	Description
vals	a parameter

Declaration

public static double average(double... vals) 

Method Source Code

//package com.java2s;
/**//from  www . j a va2  s .  c om
 * <p>
 * Useful math functions. :)
 * </p>
 * <p>
 * <span class="BSDLicense"> This software is distributed under the <a
 * href="http://hci.stanford.edu/research/copyright.txt">BSD License</a>. </span>
 * </p>
 * 
 * @author <a href="http://graphics.stanford.edu/~ronyeh">Ron B Yeh</a> (ronyeh(AT)cs.stanford.edu)
 */

public class Main {
    /**
     * If you think your values will overflow this operation, then roll your own
     * 
     * @param vals
     * @return
     */
    public static double average(double... vals) {
        if (vals == null || vals.length == 0) {
            return 0;
        }
        return sum(vals) / vals.length;
    }

    /**
     * @param vals
     * @return
     */
    private static double sum(double... vals) {
        double sum = 0;
        for (double val : vals) {
            sum += val;
        }
        return sum;
    }
}

Related

1. average(Double sum, Double size)
2. average(double values[])
3. average(double x, double y)
4. average(double x1, double x2)
5. average(double... args)
6. average(double[] a)
7. average(double[] a)
8. average(Double[] arr)
9. average(double[] array)