Java Array Sum sum(double[] array)

Description

Computes the sum of the given array.

License

Apache License

Parameter

Parameter	Description
array	the array

Return

the sum

Declaration

public static double sum(double[] array) 

Method Source Code

//package com.java2s;
/**/* w  ww.j  a v a 2  s.c  o  m*/
 * 
 *    Copyright 2017 Florian Erhard
 *
 *   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.
 * 
 */

public class Main {
    public static int sum(int[] a) {
        int re = 0;
        for (int i : a)
            re += i;
        return re;
    }

    public static int sum(int[] a, int start, int end) {
        int re = 0;
        for (int i = start; i < end; i++)
            re += a[i];
        return re;
    }

    public static double sum(double[][] m) {
        double re = 0;
        for (double[] a : m)
            for (double i : a)
                re += i;
        return re;
    }

    public static long sum(long[] a) {
        long re = 0;
        for (long i : a)
            re += i;
        return re;
    }

    public static float sum(float[] a) {
        float re = 0;
        for (float i : a)
            re += i;
        return re;
    }

    public static float sum(float[] a, int start, int end) {
        float re = 0;
        for (int i = start; i < end; i++)
            re += a[i];
        return re;
    }

    /**
     * Computes the sum of the given array.
     * @param array the array
     * @return the sum
     */
    public static double sum(double[] array) {
        if (array == null)
            return Double.NaN;
        double re = 0;
        for (double i : array)
            re += i;
        return re;
    }

    public static double sum(double[] array, int start, int end) {
        if (array == null)
            return Double.NaN;
        double re = 0;
        for (int i = start; i < end; i++)
            re += array[i];
        return re;
    }
}

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