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twa: add prop_set::improve_det

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Algorithms that remove transitions can turn a non-deterministic
automaton into a deterministic one, so we need to be able to specify
that determinism can be improved (as opposed to preserved).

* spot/twa/twa.hh (twa::prop_set::improve_det): New attribute.
(twa::prop_keep, twa::prop_copy): Honor it.
* spot/tl/exclusive.cc, spot/twaalgos/alternation.cc,
spot/twaalgos/complete.cc, spot/twaalgos/degen.cc,
spot/twaalgos/determinize.cc, spot/twaalgos/mask.cc,
spot/twaalgos/minimize.cc, spot/twaalgos/remfin.cc,
spot/twaalgos/remprop.cc, spot/twaalgos/sbacc.cc,
spot/twaalgos/sccfilter.cc, spot/twaalgos/simulation.cc,
spot/twaalgos/strength.cc, spot/twaalgos/stutter.cc,
spot/twaalgos/totgba.cc: Adjust calls to prop_keep() and
prop_copy().
This commit is contained in:
Alexandre Duret-Lutz 2016-12-30 10:38:04 +01:00
parent ada8185361
commit 684c9c47c4
17 changed files with 62 additions and 35 deletions
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6
spot/twaalgos/remfin.cc
View file

@ -224,7 +224,7 @@ namespace spot
unsigned nst = aut->num_states();
auto res = make_twa_graph(aut->get_dict());
res->copy_ap_of(aut);
res->prop_copy(aut, { true, false, false, true });
res->prop_copy(aut, { true, false, false, false, true });
res->new_states(nst);
res->set_buchi();
res->set_init_state(aut->get_init_state_number());
@ -460,7 +460,7 @@ namespace spot
{
true, // state based
true, // inherently weak
true, // determinisitic
true, true, // determinisitic
true, // stutter inv.
});
scc_info si(res);
@ -664,7 +664,7 @@ namespace spot
unsigned nst = aut->num_states();
auto res = make_twa_graph(aut->get_dict());
res->copy_ap_of(aut);
res->prop_copy(aut, { true, false, false, true });
res->prop_copy(aut, { true, false, false, false, true });
res->new_states(nst);
res->set_acceptance(aut->num_sets() + extra_sets, new_code);
res->set_init_state(aut->get_init_state_number());