D3DXQuaternionLengthSq

The D3DXQuaternionLengthSq function returns the square of the length of the specified quaternion.

float D3DXQuaternionLengthSq(
  const D3DXQUATERNION* pQ
); 

Parameters

pQ

A pointer to the source D3DXQUATERNION structure.

Return Values

The quaternion's squared length.

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

D3DXQuaternionLength