Java Array Sum sum(final double[] a)

Description

sum

License

Apache License

Declaration

public static double sum(final double[] a) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 *    Copyright 2015, 2016 Taylor G Smith
 *
 *    Licensed 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./*from   w  w w  .j  ava 2 s  . c  o  m*/
 *******************************************************************************/

public class Main {
    public static double sum(final double[] a) {
        double sum = 0.0;
        for (double d : a)
            sum += d;
        return sum;
    }

    /**
     * Returns the count of <tt>true</tt> in a boolean vector
     * @param a
     * @return
     */
    public static int sum(final boolean[] a) {
        int sum = 0;
        for (boolean b : a)
            if (b)
                sum++;
        return sum;
    }
}

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8. sum(final double[] decay, final int factor)
9. sum(final Double[] doubles)