Sum Method (IEnumerable(Single))

Enumerable.Sum Method (IEnumerable<Single>)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Computes the sum of a sequence of Single values.

Namespace:  System.Linq
Assembly:  System.Core (in System.Core.dll)

public static float Sum(
	this IEnumerable<float> source
)

Parameters

source
Type: System.Collections.Generic.IEnumerable<Single>
A sequence of Single values to calculate the sum of.

Return Value

Type: System.Single
The sum of the values in the sequence.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<Single>. When you use instance method syntax to call this method, omit the first parameter.

ExceptionCondition
ArgumentNullException

source is null.

This method returns zero if source contains no elements.

In Visual Basic query expression syntax, an Aggregate Into Sum() clause translates to an invocation of Enumerable.Sum.

The following code example demonstrates how to use Sum(IEnumerable<Single>) to sum the values of a sequence.


      List<float> numbers = new List<float> { 43.68F, 1.25F, 583.7F, 6.5F };

      float sum = numbers.Sum();

      outputBlock.Text += String.Format("The sum of the numbers is {0}.", sum) + "\n";

      /*
       This code produces the following output:

       The sum of the numbers is 635.13.
      */



Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

Show:
© 2016 Microsoft