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XMMatrixIsIdentity function (directxmath.h)

Tests whether a matrix is the identity matrix.

Syntax

bool XM_CALLCONV XMMatrixIsIdentity(
 [in] FXMMATRIX M
) noexcept;

Parameters

[in] M

Matrix to test.

Return value

Returns true if M is the identity matrix, 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

See also

DirectXMath Library Matrix Functions

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