D3DXMatrixIsIdentity function

Note

The D3DX utility library is deprecated. We recommend that you use DirectXMath instead.

Determines if a matrix is an identity matrix.

Syntax

BOOL D3DXMatrixIsIdentity(
  _In_ const D3DXMATRIX *pM
);

pM [in]

Type: const D3DXMATRIX*

Pointer to the D3DXMATRIX structure that will be tested for identity.

If the matrix is an identity matrix, this function returns TRUE. Otherwise, this function returns FALSE.

Requirement	Value
Header	D3dx9math.h
Library	D3dx9.lib

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