XMQuaternionIsNaN function (directxmath.h)

Article
02/22/2024

Test whether any component of a quaternion is a NaN.

Syntax

bool XM_CALLCONV XMQuaternionIsNaN(
  [in] FXMVECTOR Q
) noexcept;

Parameters

[in] Q

Quaternion to test.

Return value

Returns true if any component of Q is a NaN,and false otherwise.

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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