deci.hpp

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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2024 Denis Corbin
//
// 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// to contact the author, see the AUTHOR file
/*********************************************************************/
 
 
#ifndef DECI_HPP
#define DECI_HPP
 
#include "../my_config.h"
#include <iostream>
#include <string>
#include "storage.hpp"
#include "infinint.hpp"
 
namespace libdar
{
 
 
 
 
    class deci
    {
    public :
        deci(std::string s);
 
        deci(const infinint & x);
 
        deci(const deci & ref) { copy_from(ref); };
 
    deci(deci && ref) noexcept { decimales = nullptr; std::swap(decimales, ref.decimales); };
 
        deci & operator = (const deci & ref) { detruit(); copy_from(ref); return *this; };
 
    deci & operator = (deci && ref) noexcept { std::swap(decimales, ref.decimales); return *this; };
 
        ~deci() { detruit(); };
 
 
        infinint computer() const;
 
        std::string human() const;
 
    private :
        storage *decimales;
 
        void detruit();
        void copy_from(const deci & ref);
        void reduce();
    };
 
 
    extern std::ostream & operator << (std::ostream & ref, const infinint & arg);
 
 
} // end of namespace
 
#endif