sum.hh

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// sum.hh: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2001, 2002, 2003, 2004, 2005 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_SUM_HH
# define VCSN_ALGORITHMS_SUM_HH

// INTERFACE: void sum_here(Automaton& a1, const Automaton& a2) { return vcsn::sum_here(*a1, *a2); }
// INTERFACE: void sum_here(GenAutomaton& a1, const GenAutomaton& a2) { return vcsn::sum_here(*a1, *a2); }

// INTERFACE: Automaton sum(const Automaton& a1, const Automaton& a2) { return vcsn::sum(*a1, *a2); }
// INTERFACE: GenAutomaton sum(const GenAutomaton& a1, const GenAutomaton& a2) { return vcsn::sum(*a1, *a2); }

# include <vaucanson/design_pattern/design_pattern.hh>

namespace vcsn {

  template<typename A, typename T, typename U>
  void
  sum_here(Element<A, T>& lhs, const Element<A, U>& rhs);

  template<typename A, typename T, typename U>
  Element<A, T>
  sum(const Element<A, T>& lhs, const Element<A, U>& rhs);

} // vcsn

# ifndef VCSN_USE_INTERFACE_ONLY
#  include <vaucanson/algorithms/sum.hxx>
# endif // VCSN_USE_INTERFACE_ONLY

#endif // ! VCSN_ALGORITHMS_SUM_HH

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