#include "mgraph.h"
+double compute_energy(const struct Vertices *vs);
+
double graph_layout_cost(const Vertices v, const double vertex_areas[N]);
void graph_layout_prepare();
double noncircular_rim_cost(const Vertices vertices);
double edgewise_vertex_displacement_cost(const Vertices vertices);
+extern const char *input_file, *output_file;
+extern char *output_file_tmp;
+
+enum printing_instance { pr_cost, pr_size, pr__max };
+int printing_check(enum printing_instance);
+
#endif /*MINIMISE_H*/