2 * Routines used for minimisation (only)
10 double compute_energy(const struct Vertices *vs);
12 double graph_layout_cost(const Vertices v, const double vertex_areas[N]);
13 void graph_layout_prepare();
15 double noncircular_rim_cost(const Vertices vertices);
16 double edgewise_vertex_displacement_cost(const Vertices vertices);
18 extern const char *input_file, *output_file;
19 extern char *output_file_tmp;
21 enum printing_instance { pr_cost, pr_size, pr__max };
22 int printing_check(enum printing_instance);