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# cyclic_semiring.hh

    00001 // tropical_semiring.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 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_ALGEBRA_CONCEPT_CYCLIC_SEMIRING_HH
    00018 # define VCSN_ALGEBRA_CONCEPT_CYCLIC_SEMIRING_HH
    00019
    00020 # include <vaucanson/algebra/concept/semiring_base.hh>
    00021
    00022 namespace vcsn {
    00023
    00024   namespace algebra {
    00025
    00026     template <unsigned int n>
    00027     struct CyclicSemiring;
    00028
    00029   } // algebra
    00030
    00034   /*-----------------------------------------------------------.
    00035   |  dynamic_traits : traits about the set of cyclic semiring  |
    00036   `-----------------------------------------------------------*/
    00037
    00039   template<unsigned int n>
    00040   struct dynamic_traits<algebra::CyclicSemiring<n> >
    00041     : dynamic_traits<algebra::SemiringBase<algebra::CyclicSemiring<n> > >
    00042   {
    00043   };
    00044
    00045   template<unsigned int n>
    00046   struct virtual_types<algebra::CyclicSemiring<n> >
    00047     : virtual_types<algebra::SemiringBase<algebra::CyclicSemiring<n> > >
    00048   {
    00049   };
    00050
    00051
    00055   namespace algebra {
    00056
    00060     /*-----------------.
    00061     | CyclicSemiring |
    00062     `-----------------*/
    00063
    00065     template <unsigned int n>
    00066     struct CyclicSemiring
    00067       : SemiringBase<CyclicSemiring<n> >
    00068     {
    00069       bool      operator == (const CyclicSemiring&) const;
    00070     };
    00071
    00075   } // algebra
    00076
    00080   /*---------------------------------------.
    00081   |   MetaElement<CyclicSemiring<n>, T>    |
    00082   `---------------------------------------*/
    00083
    00085   template<unsigned int n, typename T>
    00086   struct MetaElement<algebra::CyclicSemiring<n> , T>
    00087     : MetaElement<algebra::SemiringBase<algebra::CyclicSemiring<n> >, T>
    00088   {};
    00089
    00093 } // vcsn
    00094
    00095
    00096 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
    00097 #  include <vaucanson/algebra/concept/cyclic_semiring.hxx>
    00098 # endif // VCSN_USE_INTERFACE_ONLY
    00099
    00100
    00101 #endif // ! VCSN_ALGEBRA_CONCEPT_CYCLIC_SEMIRING_HH