eps_removal.hh

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// eps_removal.hh: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2004, 2005, 2006, 2008, 2010 The Vaucanson Group.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// The complete GNU General Public Licence Notice can be found as the
// `COPYING' file in the root directory.
//
// The Vaucanson Group consists of people listed in the `AUTHORS' file.
//
#ifndef VCSN_ALGORITHMS_EPS_REMOVAL_HH
# define VCSN_ALGORITHMS_EPS_REMOVAL_HH

// INTERFACE: bool is_proper(const Automaton& a) { return vcsn::is_proper(*a); }

// INTERFACE: void forward_eps_removal_here(Automaton& a) { return vcsn::forward_eps_removal_here(*a); }

// INTERFACE: Automaton forward_eps_removal(const Automaton& a) { return vcsn::forward_eps_removal(*a); }

// INTERFACE: void backward_eps_removal_here(Automaton& a) { return vcsn::backward_eps_removal_here(*a); }

// INTERFACE: Automaton backward_eps_removal(const Automaton& a) { return vcsn::backward_eps_removal(*a); }

// INTERFACE: void eps_removal_here(Automaton& a, vcsn::misc::direction_type dir) { return vcsn::eps_removal_here(*a); }

// INTERFACE: Automaton eps_removal(const Automaton& a, vcsn::misc::direction_type dir) { return vcsn::eps_removal(*a); }

# include <vaucanson/design_pattern/design_pattern.hh>
# include <vaucanson/misc/direction.hh>

namespace vcsn {

  template <typename A, typename AI>
  bool
  is_proper(const Element<A, AI>& a);

  template<typename A, typename AI>
  void
  eps_removal_here(Element<A, AI>& a, misc::direction_type dir = misc::backward);


  template<typename A, typename AI>
  Element<A, AI>
  eps_removal(const Element<A, AI>& a, misc::direction_type dir = misc::backward);


  template<typename A, typename AI>
  void
  backward_eps_removal_here(Element<A, AI>& a);


  template<typename A, typename AI>
  Element<A, AI>
  backward_eps_removal(const Element<A, AI>& a);


  template<typename A, typename AI>
  void
  forward_eps_removal_here(Element<A, AI>& a);


  template<typename A, typename AI>
  Element<A, AI>
  forward_eps_removal(const Element<A, AI>& a);


} // vcsn


# if !defined VCSN_USE_INTERFACE_ONLY && !defined VCSN_USE_LIB
#  include <vaucanson/algorithms/eps_removal.hxx>
# endif // VCSN_USE_INTERFACE_ONLY

#endif // ! VCSN_ALGORITHMS_EPS_REMOVAL_HH