mult_vec() [1/2]

vec Ring::mult_vec	(	const ring_elem	f,
		const vec	w ) const

Definition at line 222 of file ring-vecs.cpp.

{
  if (is_zero(f)) return nullptr;
  vecterm head;
  vec result = &head;
  for (vec v = w; v != nullptr; v = v->next)
    {
      ring_elem a = mult(f, v->coeff);
      if (!is_zero(a))
        {
          vec t = make_vec(v->comp, a);
          result->next = t;
          result = t;
        }
    }
  result->next = nullptr;
  return head.next;
}

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