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# transpose.hxx

    00001 // transpose.hxx: 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_TRANSPOSE_HXX
    00018 # define VCSN_ALGORITHMS_TRANSPOSE_HXX
    00019
    00020 #include <vaucanson/algorithms/transpose.hh>
    00021 #include <vaucanson/automata/implementation/transpose_view.hh>
    00022 #include <vaucanson/automata/concept/copy.hh>
    00023
    00024 namespace vcsn
    00025 {
    00026   template<typename lhs_t, typename rhs_t>
    00027   void transpose(lhs_t& dst_, const rhs_t& from)
    00028   {
    00029     TIMER_SCOPED("transpose");
    00030     AUTOMATON_TYPES(lhs_t);
    00031     auto_copy(dst_, transpose_view(from));
    00032     // transpose_view is still a quick transposition without label transpose.
    00033     // transpose now inverts all transitions of the dst_ automaton.
    00034     for_all_transitions(e, dst_)
    00035       dst_.series_of(*e).transpose();
    00036   }
    00037
    00038   template<typename auto_t>
    00039   auto_t transpose(const auto_t& from)
    00040   {
    00041     auto_t dst(from.structure());
    00042     transpose(dst, from);
    00043     return dst;
    00044   }
    00045
    00046 } //vcsn
    00047
    00048 #endif // ! VCSN_ALGORITHMS_TRANSPOSE_HXX