#include "pbqp_t.h"
-pbqp_edge *alloc_edge(pbqp *pbqp, int src_index, int tgt_index, matrix *costs);
+pbqp_edge *alloc_edge(pbqp *pbqp, int src_index, int tgt_index, pbqp_matrix *costs);
+
+void delete_edge(pbqp_edge *edge);
#endif /* KAPS_PBQP_EDGE_H */