D3DXQuaternionConjugate

The D3DXQuaternionConjugate function returns the conjugate of the given quaternion.

D3DXQUATERNION* D3DXQuaternionConjugate(
  D3DXQUATERNION* pOut,
  const D3DXQUATERNION* pQ
); 

Parameters

pOut

A pointer to the D3DXQUATERNION structure that is the result of the operation.

pQ

A pointer to the source D3DXQUATERNION structure.

Return Values

A pointer to a D3DXQUATERNION structure that is the conjugate of the given quaternion.

Remarks

Given a quaternion (x, y, z, w), the D3DXQuaternionConjugate function will return the quaternion (-x, -y, -z, w).

The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXQuaternionConjugate function can be used as a parameter for another function.

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Windows CE: Unsupported.
  Version: Requires DirectX 7.0.
  Header: Declared in d3dxmath.h.
  Library: Use d3dx.lib.

See Also

D3DXQuaternionInverse