#include "pbqp_t.h"
-pbqp_node *alloc_node(pbqp *pbqp, vector *costs);
+pbqp_node *alloc_node(pbqp *pbqp, unsigned node_index, vector *costs);
void disconnect_edge(pbqp_node *node, pbqp_edge *edge);
+int is_connected(pbqp_node *node, pbqp_edge *edge);
+
#endif /* KAPS_PBQP_NODE_H */