is_pm_one()

bool M2::ARingQQGMP::is_pm_one ( const ElementType & f ) const

inline

Definition at line 87 of file aring-qq-gmp.hpp.

  {
    return (mpz_cmp_si(mpq_denref(&f), 1) == 0 and
            (mpz_cmp_si(mpq_numref(&f), 1) == 0 or
             mpz_cmp_si(mpq_numref(&f), -1) == 0));
  }

Referenced by elem_text_out().