47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2012, 2013, 2015, 2016 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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// Copyright (C) 2004, 2005 Laboratoire d'Informatique de Paris 6 (LIP6),
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// département Systèmes Répartis Coopératifs (SRC), Université Pierre
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// et Marie Curie.
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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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#pragma once
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#include <spot/tl/formula.hh>
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namespace spot
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{
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/// \ingroup tl_misc
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/// \brief Compute the length of a formula.
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///
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/// The length of a formula is the number of atomic propositions,
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/// constants, and operators (logical and temporal) occurring in
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/// the formula. n-ary operators count for n-1; for instance
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/// <code>a | b | c</code> has length 5, even if there is only as
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/// single <code>|</code> node internally.
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SPOT_API
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int length(formula f);
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/// \ingroup tl_misc
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/// \brief Compute the length of a formula, squashing Boolean formulae
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///
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/// This is similar to spot::length(), except all Boolean
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/// formulae are assumed to have length one.
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SPOT_API
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int length_boolone(formula f);
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}
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