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# is_useless.hh

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    00001 // is_useless.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, 2009 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_USELESS_HH
    00018 # define VCSN_ALGORITHMS_IS_USELESS_HH
    00019
    00030 // INTERFACE: bool is_useless(const Automaton& a) { return vcsn::is_useless(*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
    00052   template<typename A, typename AI>
    00053   bool
    00054   is_useless(const Element<A, AI>& a);
    00055
    00058 } // vcsn
    00059
    00060 # if !defined VCSN_USE_INTERFACE_ONLY && !defined VCSN_USE_LIB
    00061 #  include <vaucanson/algorithms/is_useless.hxx>
    00062 # endif // VCSN_USE_INTERFACE_ONLY
    00063
    00064 #endif // ! VCSN_ALGORITHMS_IS_USELESS_HH