• Alexandre Duret-Lutz's avatar
    Strip useless acceptance conditions in scc_filter(). · dfb9c662
    Alexandre Duret-Lutz authored
    A useless acceptance conditions is one that is always implied by
    * src/misc/bddop.hh, src/misc/bddop.cc
    (compute_neg_acceptance_conditions): New function.
    * src/tgba/tgbaexplicit.hh, src/tgba/tgbaexplicit.cc
    (set_acceptance_conditions): New function.
    * src/tgbaalgos/scc.cc (build_map, build_scc_stats, dump_scc_dot):
    Keep track of useful acceptance conditions.
    (useful_acc_of): New function.
    * src/tgbaalgos/scc.hh (scc_stats, scc_map::scc::useful_scc): New
    * src/tgbaalgos/sccfilter.cc (filter_iter): Adjust to filter
    useless acceptance conditions.
    (scc_filter): Compute useful acceptance conditions and pass them
    to filter_iter.