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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.XMPlaneNormalizeEst
XMPlaneNormalizeEst function (directxmath.h)
Estimates the coefficients of a plane so that coefficients of x, y, and z form a unit normal vector.
Use DirectX..XMPlaneNormalizeEst
XMPlaneNormalizeEst
XMPlaneNormalizeEst method [DirectX Math Support APIs]
dxmath.xmplanenormalizeest
dxmath\xmplanenormalizeest.htm
dxmath
M:Microsoft.directx_sdk.plane.XMPlaneNormalizeEst(XMVECTOR)
12/05/2018
Use DirectX..XMPlaneNormalizeEst, XMPlaneNormalizeEst, XMPlaneNormalizeEst method [DirectX Math Support APIs], dxmath.xmplanenormalizeest
directxmath.h
Windows
Use DirectX.
Windows
19H1
XMPlaneNormalizeEst
directxmath/XMPlaneNormalizeEst
c++
APIRef
kbSyntax
COM
DirectXMath.h
XMPlaneNormalizeEst

XMPlaneNormalizeEst function

-description

Estimates the coefficients of a plane so that coefficients of x, y, and z form a unit normal vector.

-parameters

-param P [in]

XMVECTOR describing the plane coefficients (A, B, C, D) for the plane equation Ax+By+Cz+D=0.

-returns

Returns an estimation of the normalized plane as a 4D vector whose components are the plane coefficients (A, B, C, D) for the plane equation Ax+By+Cz+D=0.

-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

DirectXMath Library Plane Functions

XMPlaneNormalize