2a3d638a50
src/misc/escape.hh, src/misc/freelist.hh, src/misc/hash.hh, src/misc/hashfunc.hh, src/misc/minato.hh, src/misc/modgray.hh, src/misc/random.hh, src/misc/version.hh, src/tgba/state.hh: More Doxygen groups.
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// Copyright (C) 2003, 2004 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 2 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 Spot; see the file COPYING. If not, write to the Free
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// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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#ifndef SPOT_MISC_BDDALLOC_HH
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# define SPOT_MISC_BDDALLOC_HH
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#include "freelist.hh"
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#include <list>
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#include <utility>
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namespace spot
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{
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/// \brief Manage ranges of variables.
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/// \ingroup misc_tools
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class bdd_allocator: private free_list
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{
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public:
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/// Default constructor.
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bdd_allocator();
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/// Initialize the BDD library.
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static void initialize();
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/// Allocate \a n BDD variables.
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int allocate_variables(int n);
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/// Release \a n BDD variables starting at \a base.
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void release_variables(int base, int n);
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using free_list::dump_free_list;
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protected:
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static bool initialized; ///< Whether the BDD library has been initialized.
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int lvarnum; ///< number of variables in use in this allocator.
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private:
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/// Require more variables.
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void extvarnum(int more);
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virtual int extend(int n);
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};
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}
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#endif // SPOT_MISC_BDDALLOC_HH
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