+/*
+ * Bellman-Ford algorithm
+ */
+
+struct agar_state *agar_bellman_ford_new(void *ctx, struct agar_graph *gr,
+ const void *nr);
+
+bool agar_bellman_ford_path(struct agar_state *sr, const void *destr,
+ aga_icost_t *total_cost,
+ const void **prevr, const void **prevedge);
+void agar_bellman_ford_complete(struct agar_state *sr);
+