lift() [1/8]

bool M2::ConcreteRing< ARingQQ >::lift ( const Ring * Rg, const ring_elem f, ring_elem & result ) const

inlinevirtual

Implements Ring.

Definition at line 1036 of file aring-glue.hpp.

{
  if (Rg == globalZZ)
    {
      mpz_t b;
      mpz_init(b);
 
      Element a(*R);
      R->from_ring_elem(a, f);
 
      bool retval = R->lift_to_mpz(b, a);
      if (retval)
        {
          result = globalZZ->from_int(b);
        }
      mpz_clear(b);
      return retval;
    }
  return false;
}