IM2_RingElement_multidegree()

M2_arrayintOrNull IM2_RingElement_multidegree

(

const RingElement *

a

)

Definition at line 439 of file ringelement.cpp.

{
  try
    {
      if (a->is_zero())
        {
          ERROR("the zero element has no degree");
          return nullptr;
        }
 
      auto D = a->get_ring()->degree_monoid();
      // TODO: do we need to manually free a->degree()?
      return to_degree_vector(D, a->degree());
  } catch (const exc::engine_error& e)
    {
      ERROR(e.what());
      return nullptr;
  }
}

References RingElement::degree(), Ring::degree_monoid(), ERROR, RingElement::get_ring(), RingElement::is_zero(), and to_degree_vector().