static void align_elements_to_minimum_distances (Grob *, Axis a);
static void align_elements_to_ideal_distances (Grob *);
static vector<Real> get_minimum_translations (Grob *, vector<Grob *> const &, Axis a);
static void align_elements_to_minimum_distances (Grob *, Axis a);
static void align_elements_to_ideal_distances (Grob *);
static vector<Real> get_minimum_translations (Grob *, vector<Grob *> const &, Axis a);