-double noncircular_rim_cost(const Vertices vertices);
-double edgewise_vertex_displacement_cost(const Vertices vertices);
-double edge_length_variation_cost(const Vertices vertices);
+extern const double edge_angle_cost_circcircrat;
+
+double line_bending_cost(const Vertices vertices, int section);
+double noncircular_rim_cost(const Vertices vertices, int section);
+double edge_length_variation_cost(const Vertices vertices, int section);
+double rim_proximity_cost(const Vertices vertices, int section);
+double edge_angle_cost(const Vertices vertices, int section);
+double small_triangles_cost(const Vertices vertices, int section);