is_unit()

bool LocalRing::is_unit ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 172 of file localring.cpp.

{
  // TODO: make sure f is a local ring element
  return (!is_in_prime(f.get_local_elem()->numer));
}

References ring_elem::get_local_elem(), is_in_prime(), and local_elem::numer.

Referenced by divide(), invert(), power(), power(), and rawIsLocalUnit().