XMVector4IsNaN function (directxmath.h)

Tests whether any component of a 4D vector is a NaN.

Syntax

bool XM_CALLCONV XMVector4IsNaN(
  [in] FXMVECTOR V
) noexcept;

Parameters

[in] V

4D vector.

Return value

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

Remarks

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 (include DirectXMath.h)

See also

DirectXMath Library 4D Vector Comparison Functions