class Spring_spacer : public Line_spacer {
friend class Durations_iter;
+
Pointer_list<Idealspacing *> ideal_p_list_;
Array<Colinfo> cols_;
Real calculate_energy_f (Vector) const;
public:
static Line_spacer *constructor();
-
+ Real energy_normalisation_f_;
+ Spring_spacer ();
virtual void solve (Col_hpositions*) const;
virtual void lower_bound_solution (Col_hpositions*) const;
virtual void add_column (Paper_column *, bool fixed=false, Real fixpos=0.0);