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BigInteger.IsPowerOfTwo Property

.NET Framework 4

Other Versions

Indicates whether the value of the current BigInteger object is a power of two.

Namespace: System.Numerics
Assembly: System.Numerics (in System.Numerics.dll)

Syntax

C++

Copy

public bool IsPowerOfTwo { get; }

Property Value

Type: System.Boolean
true if the value of the BigInteger object is a power of two; otherwise, false.

Remarks

This property determines whether a BigInteger value has a single non-zero bit set. This means that it returns true if the value of the current BigInteger object is 1 (that is, 20) or any greater power of two. It returns false if the value of the current BigInteger object is 0.

Version Information

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

BigInteger Structure

System.Numerics Namespace

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FAQ

Sample Using PowerShell

<#
.SYNOPSIS
    This script displays dynamic properties of a BigInteger 
.DESCRIPTION
    This script demonstrates the properties on an instance of BigInteger
.NOTES
    File Name  : Get-BigIntegerProperties.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : PowerShell Version 2.0
                 .NET Framework 4    
.LINK
    This script posted to:
        http://www.pshscripts.blogspot.com
    MSDN Sample posted at:
        http://msdn.microsoft.com/en-us/library/system.numerics.biginteger_properties.aspx
.EXAMPLE
    PSH [c:\foo]: .\Get-BigIntegerProperties.ps1
    Big Integer from 4096:

    IsPowerOfTwo : True
    IsZero       : False
    IsOne        : False
    IsEven       : True
    Sign         : 1
#>

# Add the .NET Version 4 System.Numerics.Dll
Add-Type -Path "C:\Windows\Microsoft.NET\Framework\v4.0.30319\System.Numerics.dll"

# Create a big integer then display it's key properties
$BigInt = New-object System.Numerics.BigInteger 4096
"Big Integer from 4096:"
$BigIntFromDouble | fl *

History

8/2/2010
Thomas Lee