subtract()

ring_elem RingZZ::subtract ( const ring_elem f, const ring_elem g ) const

virtual

Implements Ring.

Definition at line 259 of file ZZ.cpp.

{
  mpz_ptr result = new_elem();
  mpz_sub(result, f.get_mpz(), g.get_mpz());
  mpz_reallocate_limbs(result);
  return ring_elem(result);
}

References ring_elem::get_mpz(), mpz_reallocate_limbs(), new_elem(), and result().