Provided by: nauty_2.6r10+ds-1_amd64
nauty-NRswitchg - complement vertex edges
NRswitchg [-lq] [infile [outfile]]
For each v, complement the edges from N(v) to V(G)-N(v)-v. The output file has a header if and only if the input file does. -l Canonically label outputs. -q Suppress auxiliary information.