lower_content()

void RingZZ::lower_content ( ring_elem & c, ring_elem g ) const

virtual

Reimplemented from Ring.

Definition at line 225 of file ZZ.cpp.

{
  if (is_zero(c))
    {
      c = g;
      return;
    }
  mpz_ptr result = RingZZ::new_elem();
  mpz_srcptr a = c.get_mpz();
  mpz_srcptr b = g.get_mpz();
  mpz_gcd(result, a, b);
  if(mpz_sgn(a) == -1)
    mpz_neg(result, result);
  mpz_reallocate_limbs(result);  
  c = ring_elem(result);
}

References is_zero(), mpz_reallocate_limbs(), new_elem(), and result().