preferred_associate()

ring_elem RingZZ::preferred_associate ( ring_elem f ) const

virtual

Reimplemented from Ring.

Definition at line 199 of file ZZ.cpp.

{
  mpz_srcptr a = f.get_mpz();
  if (mpz_sgn(a) >= 0) return from_long(1);
  return from_long(-1);
}

References from_long(), and ring_elem::get_mpz().