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# projection.hh

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    00001 // projection.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 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_PROJECTION_HH
    00018 # define VCSN_ALGORITHMS_PROJECTION_HH
    00019
    00030 # include <vaucanson/automata/concept/transducer.hh>
    00031
    00032 namespace vcsn {
    00033
    00036   template <typename auto_t, typename trans_t>
    00037   void
    00038   set_states(const trans_t&, auto_t&,
    00039              std::map<hstate_t, hstate_t>&);
    00040
    00041   /*---------.
    00042   | Identity |
    00043   `---------*/
    00044
    00045   // Build an automaton that realizes identity relation
    00046   // x -> (x,x)
    00047   template <typename S, typename S2, typename T, typename T2>
    00048   void
    00049   identity(const Element<S,T>& aut, Element<S2, T2>& res);
    00050
    00051   template <typename S, typename S2, typename T, typename T2>
    00052   Element<S2, T2>
    00053   identity(const Element<S,T>& aut);
    00054
    00056 }
    00057
    00058 # include <vaucanson/algorithms/image.hh>
    00059 # include <vaucanson/algorithms/domain.hh>
    00060
    00061 # if !defined VCSN_USE_INTERFACE_ONLY && !defined VCSN_USE_LIB
    00062 #  include <vaucanson/algorithms/projection.hxx>
    00063 # endif // VCSN_USE_INTERFACE_ONLY
    00064
    00065 #endif // ! VCSN_ALGORITHMS_PROJECTION_HH