FIXED: forgot to cdef numpy arrays in BFS_matching
FIXED: forgot to cdef numpy arrays in BFS_matching

cgranade/qutip,zasdfgbnm/qutip,anubhavvardhan/qutip,qutip/qutip,zasdfgbnm/qutip,cgranade/qutip,qutip/qutip,anubhavvardhan/qutip