Platform SDK: DirectX

D3DXVec4LengthSq

The D3DXVec4LengthSq function returns the square of the length of the specified 4-D vector.

float D3DXVec4LengthSq(
  const D3DXVECTOR4* pV
); 

Parameters

pV
A pointer to the source D3DXVECTOR4 structure.

Return Values

The vector'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.
  Version: Requires DirectX 7.0.
  Header: Declared in d3dxmath.h.
  Library: Use d3dx.lib.

See Also

D3DXVec4Length