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UID title description helpviewer_keywords old-location tech.root ms.assetid ms.date ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames req.redist ms.custom f1_keywords dev_langs topic_type api_type api_location api_name
NF:directxmath.XMQuaternionReciprocalLength
XMQuaternionReciprocalLength function (directxmath.h)
Computes the reciprocal of the magnitude of a quaternion.
Use DirectX..XMQuaternionReciprocalLength
XMQuaternionReciprocalLength
XMQuaternionReciprocalLength method [DirectX Math Support APIs]
dxmath.xmquaternionreciprocallength
dxmath\xmquaternionreciprocallength.htm
dxmath
M:Microsoft.directx_sdk.quaternion.XMQuaternionReciprocalLength(XMVECTOR)
12/05/2018
Use DirectX..XMQuaternionReciprocalLength, XMQuaternionReciprocalLength, XMQuaternionReciprocalLength method [DirectX Math Support APIs], dxmath.xmquaternionreciprocallength
directxmath.h
Windows
Use DirectX.
Windows
19H1
XMQuaternionReciprocalLength
directxmath/XMQuaternionReciprocalLength
c++
APIRef
kbSyntax
COM
DirectXMath.h
XMQuaternionReciprocalLength

XMQuaternionReciprocalLength function

-description

Computes the reciprocal of the magnitude of a quaternion.

-parameters

-param Q [in]

Quaternion to measure.

-returns

Returns the reciprocal of the magnitude of Q.

-remarks

The DirectXMath quaternion functions use an XMVECTOR 4-vector to represent quaternions, where the X, Y, and Z components are the vector part and the W component is the scalar part.

Platform Requirements

Microsoft Visual Studio 2010 or Microsoft Visual Studio 2012 with the Windows SDK for Windows 8. Supported for Win32 desktop apps, Windows Store apps, and Windows Phone 8 apps.

-see-also

DirectXMath Library Quaternion Functions