f120dd3206
* NEWS: Mention the change. * src/: Rename as ... * spot/: ... this, adjust all headers to include <spot/...> instead of "...", and adjust all Makefile.am to search headers from the top-level directory. * HACKING: Add conventions about #include. * spot/sanity/style.test: Add a few more grep to catch cases that do not follow these conventions. * .gitignore, Makefile.am, README, bench/stutter/Makefile.am, bench/stutter/stutter_invariance_formulas.cc, bench/stutter/stutter_invariance_randomgraph.cc, configure.ac, debian/rules, doc/Doxyfile.in, doc/Makefile.am, doc/org/.dir-locals.el.in, doc/org/g++wrap.in, doc/org/init.el.in, doc/org/tut01.org, doc/org/tut02.org, doc/org/tut03.org, doc/org/tut10.org, doc/org/tut20.org, doc/org/tut21.org, doc/org/tut22.org, doc/org/tut30.org, iface/ltsmin/Makefile.am, iface/ltsmin/kripke.test, iface/ltsmin/ltsmin.cc, iface/ltsmin/ltsmin.hh, iface/ltsmin/modelcheck.cc, wrap/python/Makefile.am, wrap/python/ajax/spotcgi.in, wrap/python/spot_impl.i, wrap/python/tests/ltl2tgba.py, wrap/python/tests/randgen.py, wrap/python/tests/run.in: Adjust.
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2015 Laboratoire de Recherche et Développement
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// de l'Epita.
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <spot/twaalgos/cleanacc.hh>
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namespace spot
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{
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twa_graph_ptr cleanup_acceptance_here(twa_graph_ptr aut)
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{
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auto& acc = aut->acc();
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if (acc.num_sets() == 0)
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return aut;
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auto& c = aut->get_acceptance();
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acc_cond::mark_t used_in_cond = c.used_sets();
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acc_cond::mark_t used_in_aut = 0U;
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for (auto& t: aut->edges())
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used_in_aut |= t.acc;
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auto useful = used_in_aut & used_in_cond;
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auto useless = acc.comp(useful);
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if (!useless)
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return aut;
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// Remove useless marks from the automaton
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for (auto& t: aut->edges())
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t.acc = t.acc.strip(useless);
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// Remove useless marks from the acceptance condition
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aut->set_acceptance(useful.count(), c.strip(useless, true));
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// This may in turn cause even more set to be unused, because of
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// some simplifications, so do it again.
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return cleanup_acceptance_here(aut);
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}
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twa_graph_ptr cleanup_acceptance(const_twa_graph_ptr aut)
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{
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return cleanup_acceptance_here(make_twa_graph(aut,
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twa::prop_set::all()));
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}
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}
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