promote()

bool LocalRing::promote ( const Ring * R, const ring_elem f, ring_elem & result ) const

virtual

Implements Ring.

Definition at line 301 of file localring.cpp.

{
  // Rf = R ---> frac R
  if (Rf == mRing)
    {
      local_elem *g = new_local_elem();
      g->numer = mRing->copy(f);
      g->denom = mRing->from_long(1);
      result = ring_elem(g);
      return true;
    }
 
  return false;
}

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