- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files

- File List
- File Members

# monoid_base.hh

    00001 // monoid_base.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, 2006, 2007, 2008, 2010 The Vaucanson
    00006 // Group.
    00007 //
    00008 // This program is free software; you can redistribute it and/or
    00009 // modify it under the terms of the GNU General Public License
    00010 // as published by the Free Software Foundation; either version 2
    00011 // of the License, or (at your option) any later version.
    00012 //
    00013 // The complete GNU General Public Licence Notice can be found as the
    00014 // `COPYING' file in the root directory.
    00015 //
    00016 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
    00017 //
    00018 #ifndef VCSN_ALGEBRA_CONCEPT_MONOID_BASE_HH
    00019 # define VCSN_ALGEBRA_CONCEPT_MONOID_BASE_HH
    00020
    00021 # include <vaucanson/algebra/concept/semigroup_base.hh>
    00022
    00023 namespace vcsn {
    00024
    00025   namespace algebra {
    00026
    00030     /*-----------------.
    00031     | MonoidBase<Self> |
    00032     `-----------------*/
    00033
    00040     template<class Self>
    00041     struct MonoidBase : SemigroupBase<Self>
    00042     {
    00044       template<typename T>
    00045       Element<Self, T> identity(SELECTOR(T)) const;
    00046
    00048       template<typename T>
    00049       Element<Self, T> zero(SELECTOR(T)) const;
    00050
    00051     protected:
    00053       MonoidBase();
    00054
    00056       MonoidBase(const MonoidBase& other);
    00057     };
    00058
    00059     template <class T>
    00060     struct identity_as
    00061     {
    00062       template <class S>
    00063       static
    00064       Element<S, T> of(const S& s);
    00065     };
    00066
    00067     template <class T>
    00068     struct zero_as
    00069     {
    00070       template <class S>
    00071       static
    00072       Element<S, T> of(const S& s);
    00073     };
    00074
    00075     /*------------.
    00076     | word_traits |
    00077     `------------*/
    00078
    00084     template <typename S, typename T>
    00085     struct word_traits
    00086     {
    00088       typedef undefined_type alphabet_t;
    00089
    00091       typedef undefined_type word_t;
    00092
    00094       typedef undefined_type first_monoid_t;
    00095
    00097       typedef undefined_type second_monoid_t;
    00098
    00100       typedef undefined_type first_projection_t;
    00101
    00103       typedef undefined_type second_projection_t;
    00104     };
    00105
    00109   } // algebra
    00110
    00114   /*----------------------------------.
    00115   | dynamic_traits<MonoidBase<Self> > |
    00116   `----------------------------------*/
    00117
    00118   template<class Self>
    00119   struct dynamic_traits<algebra::MonoidBase<Self> >
    00120     : dynamic_traits<algebra::SemigroupBase<Self> >
    00121   { };
    00122
    00123   template<typename S>
    00124   struct virtual_types<algebra::MonoidBase<S> >
    00125     : virtual_types<algebra::SemigroupBase<S> >
    00126   { };
    00127
    00128   /*---------------------------------.
    00129   | MetaElement<MonoidBase<Self>, T> |
    00130   `---------------------------------*/
    00131
    00133   template<class Self, typename T>
    00134   struct MetaElement<algebra::MonoidBase<Self>, T>
    00135     : MetaElement<algebra::SemigroupBase<Self>, T>
    00136   {
    00137   protected:
    00139     MetaElement();
    00140
    00142     MetaElement(const MetaElement& other);
    00143   };
    00144
    00148   namespace algebra {
    00149
    00150     template<typename T, typename Self>
    00151     T op_default(SELECTOR(algebra::MonoidBase<Self>), SELECTOR(T));
    00152
    00153   } // algebra
    00154
    00155 } // vcsn
    00156
    00157 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
    00158 #  include <vaucanson/algebra/concept/monoid_base.hxx>
    00159 # endif // VCSN_USE_INTERFACE_ONLY
    00160
    00161 #endif // ! VCSN_ALGEBRA_CONCEPT_MONOID_BASE_HH