docs: def set_distributed_assembled_values(self, a_loc):
          """Set the distributed assembled matrix values.
  
          Distributed assembled matrices require setting icntl(18) != 0.
          """
          assert a_loc.size == self._refs['irn_loc'].size
          self._refs.update(a_loc=a_loc)
          self.id.a_loc = self.cast_array(a_loc)