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deci.hpp
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1 /*********************************************************************/
2 // dar - disk archive - a backup/restoration program
3 // Copyright (C) 2002-2052 Denis Corbin
4 //
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 2
8 // of the License, or (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 //
19 // to contact the author : http://dar.linux.free.fr/email.html
20 /*********************************************************************/
21 // $Id: deci.hpp,v 1.12 2011/01/09 17:25:58 edrusb Rel $
22 //
23 /*********************************************************************/
24 
28 
29 #ifndef DECI_HPP
30 #define DECI_HPP
31 
32 #include "../my_config.h"
33 #include <iostream>
34 #include "storage.hpp"
35 #include "infinint.hpp"
36 
37 namespace libdar
38 {
39 
42 
43 
45 
52  class deci
53  {
54  public :
56  deci(std::string s);
57 
59  deci(const infinint & x);
60 
62  deci(const deci & ref)
63  { E_BEGIN; copy_from(ref); E_END("deci::deci", "deci"); };
64 
67  { E_BEGIN; detruit(); E_END("deci::~deci", ""); };
68 
69 
71  const deci & operator = (const deci & ref)
72  { E_BEGIN; detruit(); copy_from(ref); return *this; E_END("deci::operator = ", ""); };
73 
75  infinint computer() const;
77  std::string human() const;
78 
79  private :
80  storage *decimales;
81 
82  void detruit();
83  void copy_from(const deci & ref);
84  void reduce();
85  };
86 
88 
93  extern std::ostream & operator << (std::ostream & ref, const infinint & arg);
94 
95 
97 
98 } // end of namespace
99 
100 #endif