elifs.hh

// Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE)
//
// This file is part of Olena.
//
// Olena 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, version 2 of the License.
//
// Olena is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Olena.  If not, see <http://www.gnu.org/licenses/>.
//
// As a special exception, you may use this file as part of a free
// software project without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to produce
// an executable, this file does not by itself cause the resulting
// executable to be covered by the GNU General Public License.  This
// exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.

#ifndef MLN_FUN_P2V_ELIFS_HH
# define MLN_FUN_P2V_ELIFS_HH

# include <mln/fun/p2v/ternary.hh>


namespace mln
{

  namespace fun
  {

    namespace p2v
    {

      template <typename T1, typename N1,
                typename T2, typename N2,
                typename O>
      ternary_<T1, N1,
               ternary_<T2, N2, O> >
      elifs(const Function_v2b<T1>& f_if_1, const Function_v2v<N1>& f_then_1,
            const Function_v2b<T2>& f_if_2, const Function_v2v<N2>& f_then_2,
            const Function_v2v<O>&  f_otherwise);


# ifndef MLN_INCLUDE_ONLY

      template <typename T1, typename N1,
                typename T2, typename N2,
                typename O>
      inline
      ternary_<T1, N1,
               ternary_<T2, N2, O> >
      elifs(const Function_v2b<T1>& f_if_1, const Function_v2v<N1>& f_then_1,
            const Function_v2b<T2>& f_if_2, const Function_v2v<N2>& f_then_2,
            const Function_v2v<O>&  f_otherwise)
      {
        typedef ternary_<T2, N2, O> T2_N2_O;
        T2_N2_O f_otherwise_1(f_if_2, f_then_2, f_otherwise);
        ternary_<T1, N1, T2_N2_O> tmp(f_if_1, f_then_1, f_otherwise_1);
        return tmp;
      }

# endif // ! MLN_INCLUDE_ONLY

    } // end of namespace mln::fun::p2v

  } // end of namespace mln::fun

} // end of namespace mln


#endif // ! MLN_FUN_P2V_ELIFS_HH