from_rational()

bool LocalRing::from_rational ( mpq_srcptr n, ring_elem & result ) const

virtual

Implements Ring.

Definition at line 318 of file localring.cpp.

{
  local_elem *f = new_local_elem();
  f->numer = mRing->from_int(mpq_numref(n));
  f->denom = mRing->from_int(mpq_denref(n));
  bool ok = not mRing->is_zero(f->denom);
  if (ok) result = ring_elem(f);
  return ok;
}

References local_elem::denom, mRing, new_local_elem(), local_elem::numer, and result().