XMQuaternionReciprocalLength function (directxmath.h)

Article
02/22/2024

Computes the reciprocal of the magnitude of a quaternion.

Syntax

XMVECTOR XM_CALLCONV XMQuaternionReciprocalLength(
  [in] FXMVECTOR Q
) noexcept;

Parameters

[in] Q

Quaternion to measure.

Return value

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.

Requirements

Requirement	Value
Target Platform	Windows
Header	directxmath.h

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