◆ preferred_associate()

ring_elem M2::RingQQ::preferred_associate ( ring_elem f ) const

inlinevirtual

Reimplemented from Ring.

Definition at line 536 of file aring-glue.hpp.

  {
    mpq_srcptr a = MPQ_VAL(f);
    if (mpq_sgn(a) >= 0) return from_long(1);
    return from_long(-1);
  }