vec_homogenize() [2/2]

vec Ring::vec_homogenize	(	const FreeModule *	F,
		const vec	f,
		int	v,
		int	deg,
		const std::vector< int > &	wts ) const

Definition at line 884 of file ring-vecs.cpp.

{
  vecterm head;
  vecterm *result = &head;
  assert(wts[v] != 0);
  // If an error occurs, then return 0, and set ERROR
 
  for (vec w = f; w != nullptr; w = w->next)
    {
      int e = F->primary_degree(w->comp);
      ring_elem a = homogenize(w->coeff, v, d - e, wts);
      if (!is_zero(a))
        {
          result->next = make_vec(w->comp, a);
          result = result->next;
        }
    }
  result->next = nullptr;
  return head.next;
}

References homogenize(), is_zero(), make_vec(), vec::next, and result().

Referenced by vec_homogenize().