invert()

ring_elem RingZZ::invert ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 296 of file ZZ.cpp.

{
  if (RingZZ::is_unit(f))
    return RingZZ::copy(f);
  
  throw exc::engine_error("division by a non unit attempted");
}

References copy(), and is_unit().