/*--------------------------------------------------
created by smtuttle at Fri Nov  5 08:44:18 PDT 2010
--------------------------------------------------*/
#include <iostream>
#include <cmath>
using namespace std;


/*--------------------------------------------------
 signature: sum_array : double[] int -> double
 purpose: expects an array of numbers and how many numbers are
    in the array, and produces the sum of those numbers

 Examples: 
const int NUM_WTS = 5;
double my_list[NUM_WTS] = {10, 20, 3, 4, 100};

sum_array(my_list, NUM_WTS) == 137
--------------------------------------------------*/

double sum_array(double values[], int num_values)
{
    double sum_so_far = 0;
    int index = 0;

    while (index < num_values)
    {
        sum_so_far = sum_so_far + values[index];
        index++;
    }

    return sum_so_far;
}