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Find the Sum of an Array of Numbers in C#

Let’s say you have an array of numbers (either doubles or integers) and want to be able to find the sum of these numbers. To my knowledge, there is not a built-in way to do this in the .NET Framework, so I created a little utility method that does this for doubles and for integers. See below.

public static double Sum(params double[] values)
{
	if (values.Length == 0)
		return 0.0;
 
	double result = 0.0;
 
	foreach (double value in values)
		result += value;
 
	return result;
}
 
public static int Sum(params int[] values)
{
	if (values.Length == 0)
		return 0;
 
	int result = 0;
 
	foreach (int value in values)
		result += value;
 
	return result;
}

This entry was posted on Sunday, December 28th, 2008 at 8:06 am and is filed under C#, Math, Tip. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “Find the Sum of an Array of Numbers in C#”

  1. int n1, n2, sum;
    Console.WriteLine(“plz type the 1st number”);
    n1 = int .Parse (Console .ReadLine ());
    Console.WriteLine(“plz type the 2nd number”);
    n2 = int .Parse (Console .ReadLine ());
    sum = n1 + n2;

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