divide()

ring_elem Z_mod::divide ( const ring_elem f, const ring_elem g ) const

virtual

Implements Ring.

Definition at line 286 of file ZZp.cpp.

{
  if (g.get_int() == _ZERO) throw exc::division_by_zero_error();
  if (f.get_int() == _ZERO) return ring_elem(_ZERO);
  int h = modulus_sub(f.get_int(), g.get_int(), _P1);
  return ring_elem(h);
}

References _P1, _ZERO, ring_elem::get_int(), and modulus_sub().

Referenced by from_rational(), and syzygy().