get_denominator_QQ()

ring_elem PolyRing::get_denominator_QQ

(

ring_elem

f

)

const

Definition at line 2431 of file poly.cpp.

{
  assert(tpoly(f) != 0);
  assert(getCoefficients() == globalQQ);
 
  mpz_t denom;
  mpz_init_set_si(denom, 1);
 
  determine_common_denominator_QQ(f, denom);
  ring_elem result = globalZZ->RingZZ::from_int(denom);
  mpz_clear(denom);
  return result;
}

References determine_common_denominator_QQ(), PolynomialRing::getCoefficients(), globalQQ, globalZZ, and result().