#include <deal.II/base/flow_function.h>
#include <deal.II/base/function_lib.h>
#include <deal.II/base/quadrature_lib.h>
#include <deal.II/numerics/data_out.h>
#include <deal.II/numerics/vector_tools.h>
#include <fstream>
#include <iostream>
#include <amandus/amandus.h>
#include <amandus/amandus_arpack.h>