00001 // is_empty.hh: this file is part of the Vaucanson project. 00002 // 00003 // Vaucanson, a generic library for finite state machines. 00004 // 00005 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2008 The Vaucanson Group. 00006 // 00007 // This program is free software; you can redistribute it and/or 00008 // modify it under the terms of the GNU General Public License 00009 // as published by the Free Software Foundation; either version 2 00010 // of the License, or (at your option) any later version. 00011 // 00012 // The complete GNU General Public Licence Notice can be found as the 00013 // `COPYING' file in the root directory. 00014 // 00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file. 00016 // 00017 #ifndef VCSN_ALGORITHMS_IS_EMPTY_HH 00018 # define VCSN_ALGORITHMS_IS_EMPTY_HH 00019 00030 // INTERFACE: bool is_empty(const Automaton& a) { return vcsn::is_empty(*a); } 00031 00032 # include <vaucanson/design_pattern/design_pattern.hh> 00033 # include <vaucanson/automata/concept/handlers.hh> 00034 00035 # include <set> 00036 00037 namespace vcsn { 00038 00049 template<typename A, typename AI> 00050 bool 00051 is_empty(const Element<A, AI>& a); 00052 00055 } // vcsn 00056 00057 # if !defined VCSN_USE_INTERFACE_ONLY && !defined VCSN_USE_LIB 00058 # include <vaucanson/algorithms/is_empty.hxx> 00059 # endif // VCSN_USE_INTERFACE_ONLY 00060 00061 #endif // ! VCSN_ALGORITHMS_IS_EMPTY_HH
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