determine_common_denominator_QQ()

void PolyRing::determine_common_denominator_QQ	(	ring_elem	f,
		mpz_ptr	denom_so_far ) const

Definition at line 2418 of file poly.cpp.

{
  // We assume that 'this' is QQ[M].
  if (getCoefficients() != globalQQ) return;
 
  for (Nterm& t : f)
    {
      mpq_srcptr a = MPQ_VAL(t.coeff);
      mpz_lcm(denom_so_far, denom_so_far, mpq_denref(a));
    }
}

References PolynomialRing::getCoefficients(), globalQQ, and MPQ_VAL.

Referenced by get_denominator_QQ(), and vec_get_denominator_QQ().