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src/libdar/deci.hpp
00001 /*********************************************************************/
00002 // dar - disk archive - a backup/restoration program
00003 // Copyright (C) 2002-2052 Denis Corbin
00004 //
00005 // This program is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU General Public License
00007 // as published by the Free Software Foundation; either version 2
00008 // of the License, or (at your option) any later version.
00009 //
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018 //
00019 // to contact the author : http://dar.linux.free.fr/email.html
00020 /*********************************************************************/
00021 // $Id$
00022 //
00023 /*********************************************************************/
00024 
00028 
00029 #ifndef DECI_HPP
00030 #define DECI_HPP
00031 
00032 #include "../my_config.h"
00033 #include <iostream>
00034 #include "storage.hpp"
00035 #include "infinint.hpp"
00036 
00037 namespace libdar
00038 {
00039 
00042 
00043 
00045 
00052     class deci
00053     {
00054     public :
00056         deci(std::string s);
00057 
00059         deci(const infinint & x);
00060 
00062         deci(const deci & ref)
00063             { copy_from(ref); };
00064 
00066         ~deci()
00067             { detruit(); };
00068 
00069 
00071         const deci & operator = (const deci & ref)
00072             { detruit(); copy_from(ref); return *this; };
00073 
00075         infinint computer() const;
00077         std::string human() const;
00078 
00079 #ifdef LIBDAR_SPECIAL_ALLOC
00080         USE_SPECIAL_ALLOC(deci);
00081 #endif
00082 
00083     private :
00084         storage *decimales;
00085 
00086         void detruit();
00087         void copy_from(const deci & ref);
00088         void reduce();
00089     };
00090 
00092 
00097     extern std::ostream & operator << (std::ostream & ref, const infinint & arg);
00098 
00099 
00101 
00102 } // end of namespace
00103 
00104 #endif
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