rawARingTower2()

const Ring * rawARingTower2	(	const Ring *	R1,
		M2_ArrayString	new_names )

Definition at line 321 of file aring.cpp.

{
  try
    {
      const M2::ConcreteRing<M2::ARingTower> *K =
          dynamic_cast<const M2::ConcreteRing<M2::ARingTower> *>(R1);
      if (K == nullptr)
        {
          ERROR("expected a tower ring");
          return nullptr;
        }
      const M2::ARingTower &A = K->ring();
 
      auto new_varnames = M2_ArrayString_to_stdvector(new_names);
      M2::ARingTower *T = M2::ARingTower::create(A, new_varnames);
      return M2::ConcreteRing<M2::ARingTower>::create(
          std::unique_ptr<M2::ARingTower>(T));
  } catch (const exc::engine_error& e)
    {
      ERROR(e.what());
      return nullptr;
  }
}