Sum Method (IEnumerable(Single))

Enumerable.Sum Method (IEnumerable(Of Single))


Computes the sum of a sequence of Single values.

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

Public Shared Function Sum (
	source As IEnumerable(Of Single)
) As Single


Type: System.Collections.Generic.IEnumerable(Of Single)

A sequence of Single values to calculate the sum of.

Return Value

Type: System.Single

The sum of the values in the sequence.

Exception Condition

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 Sum.

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

' Create a list of Single values.
Dim numbers As New List(Of Single)(New Single() _
                                   {43.68F, 1.25F, 583.7F, 6.5F})

' Get the sum of values in the list.
Dim sum As Single = numbers.Sum()

' Display the output.
MsgBox("The sum of the numbers is " & sum)

' This code produces the following output:
' The sum of the numbers is 635.13

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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