904ff6a555
This is needed now that lib/ is in the include path. * src/misc/bareword.cc, src/misc/bddop.cc, src/misc/escape.cc, src/misc/formater.cc, src/misc/intvcmp2.cc, src/misc/intvcomp.cc, src/misc/memusage.cc, src/misc/minato.cc, src/misc/optionmap.cc, src/misc/random.cc, src/misc/timer.cc, src/misc/version.cc: Include config.h.
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2009, 2013 Laboratoire de Recherche et Développement
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// de l'Epita (LRDE).
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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 "config.h"
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#include <cassert>
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#include "bddop.hh"
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namespace spot
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{
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bdd
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compute_all_acceptance_conditions(bdd neg_acceptance_conditions)
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{
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bdd all = bddfalse;
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// Build all_acceptance_conditions_ from neg_acceptance_conditions_
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// I.e., transform !A & !B & !C into
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// A & !B & !C
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// + !A & B & !C
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// + !A & !B & C
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bdd cur = neg_acceptance_conditions;
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while (cur != bddtrue)
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{
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assert(cur != bddfalse);
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bdd v = bdd_ithvar(bdd_var(cur));
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all |= v & bdd_exist(neg_acceptance_conditions, v);
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assert(bdd_high(cur) != bddtrue);
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cur = bdd_low(cur);
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}
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return all;
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}
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bdd
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compute_neg_acceptance_conditions(bdd all_acceptance_conditions)
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{
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bdd cur = bdd_support(all_acceptance_conditions);
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bdd neg = bddtrue;
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while (cur != bddtrue)
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{
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neg &= bdd_nithvar(bdd_var(cur));
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assert(bdd_low(cur) != bddtrue);
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cur = bdd_high(cur);
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}
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return neg;
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}
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}
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