operator/(const ILatticeFloat& l, const ILatticeFloat& r)
operator/(const IScalarFloat& l, const ILatticeFloat& r)
operator/(const ILatticeFloat& l, const ILatticeFloat& r){  typedef BinaryReturn<ILatticeFloat, ILatticeFloat, OpDivide>::Type_t  Ret_t;//  cout << "I/I" << endl;  return Ret_t(__builtin_ia32_divps(l.elem_v(), r.elem_v()));}