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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.XMVectorReciprocalEst
XMVectorReciprocalEst function (directxmath.h)
Estimates the per-component reciprocal of a vector.
Use DirectX..XMVectorReciprocalEst
XMVectorReciprocalEst
XMVectorReciprocalEst method [DirectX Math Support APIs]
dxmath.xmvectorreciprocalest
dxmath\xmvectorreciprocalest.htm
dxmath
M:Microsoft.directx_sdk.arithmetic.XMVectorReciprocalEst(XMVECTOR)
12/05/2018
Use DirectX..XMVectorReciprocalEst, XMVectorReciprocalEst, XMVectorReciprocalEst method [DirectX Math Support APIs], dxmath.xmvectorreciprocalest
directxmath.h
DirectXMath.h
Windows
Use DirectX.
Windows
19H1
XMVectorReciprocalEst
directxmath/XMVectorReciprocalEst
c++
APIRef
kbSyntax
COM
directxmathvector.inl
XMVectorReciprocalEst

XMVectorReciprocalEst function

-description

Estimates the per-component reciprocal of a vector.

-parameters

-param V [in]

Vector whose reciprocal is estimated.

-returns

Returns a vector. Each component is an estimate of the reciprocal of the corresponding component of V.

-remarks

Est functions offer increased performance at the expense of reduced accuracy. Est functions are appropriate for non-critical calculations where accuracy can be sacrificed for speed. The exact amount of lost accuracy and speed increase are platform dependent.

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

Vector Arithmetic Functions

XMVectorReciprocal