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XMVector4Dot function (directxmath.h)

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Computes the dot product between 4D vectors.

Syntax

XMVECTOR XM_CALLCONV XMVector4Dot(
  [in] FXMVECTOR V1,
  [in] FXMVECTOR V2
) noexcept;

Parameters

[in] V1

4D vector.

[in] V2

4D vector.

Return value

Returns a vector. The dot product between V1 and V2 is replicated into each component.

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 Geometric Functions