SquareMagnitude

This helper function returns the square of the absolute value of the specified vector. SquareMagnitude is part of the suite of extra functionality that is available to C++ programmers who define D3D_OVERLOADS.

D3DVALUE SquareMagnitude (const _D3DVECTOR& v);

This function is defined as follows:

inline D3DVALUE
SquareMagnitude (const _D3DVECTOR& v)
{
   return v.x*v.x + v.y*v.y + v.z*v.z;
}

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 5.0 or later.
  Header: Declared in d3d.h.

See Also

Magnitude