Microsoft DirectX 8.0 (C++)

D3DXMatrixInverse

Calculates the inverse of a matrix.

D3DXMATRIX* D3DXMatrixInverse(
  D3DXMATRIX* pOut,
  FLOAT* pDeterminant,
  CONST D3DXMATRIX* pM
); 

Parameters

pOut
[in, out] Pointer to the D3DXMATRIX structure that is the result of the operation.
pDeterminant
[in, out] After this function returns, pointer to a FLOAT value that is the determinant of the matrix, pM.
pM
[in] Pointer to the source D3DXMATRIX structure.

Return Values

Pointer to a D3DXMATRIX structure that is the inverse of the matrix.

Remarks

This function accepts any arbitrary matrix.

Matrix inversion may fail, in which case NULL is returned by the D3DXMatrixInverse function. The determinant of pM is returned if the pDeterminant parameter is non-NULL.

The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXMatrixInverse function can be used as a parameter for another function.

Requirements

  Header: Declared in D3dx8math.h.
  Import Library: Use D3dx8.lib.