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twaalgos/totgba: Avoid to construct useless SCC in dnf_to_streett()

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* spot/twaalgos/totgba.cc: Here.
This commit is contained in:
Alexandre GBAGUIDI AISSE 2017-12-12 22:13:38 +01:00
parent 3d5b5be693
commit 6708996541
1 changed files with 15 additions and 4 deletions
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15
spot/twaalgos/totgba.cc
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@ -309,7 +309,8 @@ namespace spot
dnf_to_streett_converter(const const_twa_graph_ptr& in,
const acc_cond::acc_code& code)
: in_(in),
si_(scc_info(in, scc_info_options::TRACK_STATES)),
si_(scc_info(in, scc_info_options::TRACK_STATES
| scc_info_options::TRACK_SUCCS)),
nb_scc_(si_.scc_count()),
max_set_in_(code.used_sets().max_set()),
state_based_(in->prop_state_acc() == true),
@ -336,6 +337,9 @@ namespace spot
for (unsigned scc = 0; scc < nb_scc_; ++scc)
{
if (!si_.is_useful_scc(scc))
continue;
bool rej_scc = acc_clauses_[scc].empty();
for (auto st : si_.states_of(scc))
{
@ -345,8 +349,11 @@ namespace spot
debug << "working_on_edge(" << st << ',' << e.dst << ')'
<< std::endl;
unsigned dst_scc = si_.scc_of(e.dst);
if (!si_.is_useful_scc(dst_scc))
continue;
add_state(e.dst);
bool same_scc = scc == si_.scc_of(e.dst);
bool same_scc = scc == dst_scc;
if (st == init_st_in_)
{
@ -398,8 +405,12 @@ namespace spot
res_->set_named_prop("original-states", orig_states);
unsigned orig_num_states = in_->num_states();
for (unsigned orig = 0; orig < orig_num_states; ++orig)
{
if (!si_.is_useful_scc(si_.scc_of(orig)))
continue;
for (const auto& p : st_repr_[orig])
(*orig_states)[p.second] = orig;
}
#if DEBUG
for (unsigned i = 1; i < orig_states->size(); ++i)
assert((int)(*orig_states)[i] >= 0);