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taras atavin
Ушёл с форума.
3569 / 1752 / 91
Регистрация: 24.11.2009
Сообщений: 27,619
#1

Не работает friend - C++

28.12.2012, 11:17. Просмотров 625. Ответов 7
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C++
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#ifndef INTEGERLONGS_HPP_INCLUDED
#define INTEGERLONGS_HPP_INCLUDED
//=====================================================================================================================================================================================================
#include <iostream>
//=====================================================================================================================================================================================================
namespace Longs
{
 class TInteger;
};
//=====================================================================================================================================================================================================
class Longs::TInteger
{
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 protected:
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  uint8_t       Data[0x100]; //This is the number. The encoding is additional code. The byte order is little-endian.
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 public   :
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                TInteger         (                             );
                TInteger         (const        TInteger &Value );
                TInteger         (const        int16_t   Value );
                TInteger         (const        int32_t   Value );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
               ~TInteger         (                             );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator =       (const        TInteger &Right );
  TInteger      operator =       (const        int16_t   Right );
  TInteger      operator =       (const        int32_t   Right );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator -       (                             ) const;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator +       (const        TInteger &Right ) const;
  TInteger      operator -       (const        TInteger &Right ) const;
  TInteger      operator *       (const        TInteger &Right ) const;
  TInteger      operator /       (const        TInteger &Right ) const;
  TInteger      operator %       (const        TInteger &Right ) const;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator +=      (const        TInteger &Right );
  TInteger      operator -=      (const        TInteger &Right );
  TInteger      operator *=      (const        TInteger &Right );
  TInteger      operator /=      (const        TInteger &Right );
  TInteger      operator %=      (const        TInteger &Right );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                operator int16_t (                             ) const;
                operator int32_t (                             ) const;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  friend
  std::ostream  operator <<      (      std  ::ostream  &Stream,
                                  const Longs::TInteger &Value );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
};
//=====================================================================================================================================================================================================
Longs       ::
TInteger    ::  TInteger         (                             )
{
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  TInteger         (const        TInteger &Value )
{
 const uint8_t *Source;
       uint8_t *Target;
 for (Source=Value.Data+0xFF, Target=Data+0xFF; Target>=Data; --Source, --Target)
 {
  *Target=*Source;
 }
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  TInteger         (const        int16_t   Value )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFE)=(uint8_t)((Value&0xFF00)>>8);
 *(Data+0xFF)=(uint8_t) (Value&0x00FF);
 Buffer=0xFF*((uint8_t)((Value&0x8000)>>15));
 for (p=Data+0xFD; p>=Data; --p)
 {
  *p=Buffer;
 }
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  TInteger         (const        int32_t   Value )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFC)=(uint8_t)((Value&0xFF000000)>>24);
 *(Data+0xFD)=(uint8_t)((Value&0x00FF0000)>>16);
 *(Data+0xFE)=(uint8_t)((Value&0x0000FF00)>>8 );
 *(Data+0xFF)=(uint8_t) (Value&0x000000FF);
 Buffer=0xFF*((uint8_t)((Value&0x80000000)>>31));
 for (p=Data+0xFB; p>=Data; --p)
 {
  *p=Buffer;
 }
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    :: ~TInteger         (                          )
{
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator =       (const        TInteger &Right )
{
 const uint8_t *Source;
       uint8_t *Target;
 for (Source=Right.Data+0xFF, Target=Data+0xFF; Target>=Data; --Source, --Target)
 {
  *Target=*Source;
 }
 return *this;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator =       (const        int16_t   Right )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFE)=(uint8_t)((Right&0xFF00)>>8);
 *(Data+0xFF)=(uint8_t) (Right&0x00FF);
 Buffer=0xFF*((uint8_t)((Right&0x8000)>>15));
 for (p=Data+0xFD; p>=Data; --p)
 {
  *p=Buffer;
 }
 return *this;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator =       (const        int32_t   Right )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFC)=(uint8_t)((Right&0xFF000000)>>24);
 *(Data+0xFD)=(uint8_t)((Right&0x00FF0000)>>16);
 *(Data+0xFE)=(uint8_t)((Right&0x0000FF00)>>8 );
 *(Data+0xFF)=(uint8_t) (Right&0x000000FF);
 Buffer=0xFF*((uint8_t)((Right&0x80000000)>>31));
 for (p=Data+0xFB; p>=Data; --p)
 {
  *p=Buffer;
 }
 return *this;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator -       (                             ) const
{
 const uint8_t  *Source;
       uint8_t  *Target;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
 for (Source=Data+0xFF, Target=Result.Data+0xFF; Source>=Data; --Source, --Target)
 {
  *Target=~(*Source);
 }
 for (Carry=0x0001, Target=Result.Data+0xFF; Target>=Result.Data; --Target)
 {
   Buffer=((uint16_t)*Target)+Carry;
  *Target= (uint8_t )(Buffer&0x00FF);
  Carry=(Buffer&0xFF00)>>8;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator +       (const        TInteger &Right ) const
{
 const uint8_t  *LeftByte;
 const uint8_t  *RightByte;
       uint8_t  *ResultByte;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
 for (Carry=0x0000, LeftByte=Data+0xFF, RightByte=Right.Data+0xFF, ResultByte=Result.Data+0xFF; LeftByte>=Data; --LeftByte, --RightByte, --ResultByte)
 {
   Buffer    =((uint16_t)*LeftByte)+((uint16_t)*RightByte)+Carry;
  *ResultByte= (uint8_t )(Buffer&0x00FF);
  Carry=(Buffer&0xFF00)>>8;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator -       (const        TInteger &Right ) const
{
 const uint8_t  *LeftByte;
 const uint8_t  *RightByte;
       uint8_t  *ResultByte;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
 for (Carry=0x0000, LeftByte=Data+0xFF, RightByte=Right.Data+0xFF, ResultByte=Result.Data+0xFF; LeftByte>=Data; --LeftByte, --RightByte, --ResultByte)
 {
   Buffer    =((uint16_t)*LeftByte)-((uint16_t)*RightByte)-Carry;
  *ResultByte= (uint8_t )(Buffer&0x00FF);
  Carry=(Buffer&0x0100)>>8;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator *       (const        TInteger &Right ) const
{
 const uint8_t  *LeftByte;
 const uint8_t  *RightByte;
       uint8_t  *ResultByte;
       uint8_t  *ResultStart;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
       TInteger  LeftBuffer;
       TInteger  RightBuffer;
 if (((*Data)&0x80)==0x80)
 {
  LeftBuffer=-(*this);
 }
 else
 {
  LeftBuffer=*this;
 }
 if (((*(Right.Data))&0x80)==0x80)
 {
  RightBuffer=-Right;
 }
 else
 {
  RightBuffer=Right;
 }
 for (ResultByte=Result.Data+0xFF; ResultByte>=Result.Data; --ResultByte)
 {
  *ResultByte=0;
 }
 for (LeftByte=LeftBuffer.Data+0xFF, ResultStart=Result.Data+0xFF; (LeftByte>=LeftBuffer.Data)&&(ResultStart>=Result.Data); --LeftByte, --ResultStart)
 {
  for (Carry=0x0000, RightByte=RightBuffer.Data+0xFF, ResultByte=ResultStart; (RightByte>=RightBuffer.Data)&&(ResultByte>=Result.Data); --RightByte, --ResultByte)
  {
   Buffer    =((uint16_t)*LeftByte)*((uint16_t)*RightByte)+((uint16_t)*ResultByte)+Carry;
  *ResultByte= (uint8_t )(Buffer&0x00FF);
   Carry=(Buffer&0xFF00)>>8;Carry=(Buffer&0xFF00)>>8;
  }
 }
 if ((((*Data)&0x80)^((*(Right.Data))&0x80))==0x80)
 {
  return -Result;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  operator int16_t (                             ) const
{
 return (((uint16_t)((* Data)&0x80))<<8)|(((uint16_t)((*(Data+0xFE))&0x7F))<<8)|((uint16_t)(*(Data+0xFF)));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  operator int32_t (                             ) const
{
 return (((uint32_t)((*Data)&0x80))<<24)|(((uint32_t)((*(Data+0xFC))&0x7F))<<24)|(((uint32_t)((*(Data+0xFD))&0xFF))<<16)|(((uint32_t)((*(Data+0xFE))&0xFF))<<8)|((uint32_t)(*(Data+0xFF)));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
std::ostream    operator <<      (      std  ::ostream  &Stream,
                                  const Longs::TInteger &Value )
{
 static const char Digits[0x100][0x3]={"00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0A", "0B","0C", "0D", "0E", "0F",
                                       "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1A", "1B","1C", "1D", "1E", "1F",
                                       "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2A", "2B","2C", "2D", "2E", "2F",
                                       "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B","3C", "3D", "3E", "3F",
                                       "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4A", "4B","4C", "4D", "4E", "4F",
                                       "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5A", "5B","5C", "5D", "5E", "5F",
                                       "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6A", "6B","6C", "6D", "6E", "6F",
                                       "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7A", "7B","7C", "7D", "7E", "7F",
                                       "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8A", "8B","8C", "8D", "8E", "8F",
                                       "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9A", "9B","9C", "9D", "9E", "9F",
                                       "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "AA", "AB","AC", "AD", "AE", "AF",
                                       "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", "B8", "B9", "BA", "BB","BC", "BD", "BE", "BF",
                                       "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB","CC", "CD", "CE", "CF",
                                       "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", "D8", "D9", "DA", "DB","DC", "DD", "DE", "DF",
                                       "E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB","EC", "ED", "EE", "EF",
                                       "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "FA", "FB","FC", "FD", "FE", "FF"};
 const uint8_t *p;
 const uint8_t *End;
 for (p=Value.Data, End=Value.Data+0xFF; p<=End; ++p)
 {
  Stream<<Digits[*(uint8_t*)p];
 }
 return Stream;
}
//=====================================================================================================================================================================================================
#endif // INTEGERLONGS_HPP_INCLUDED
, ругается на конец
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp||In function 'std::ostream operator<<(std::ostream&, const Longs::TInteger&)':|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|16|error: 'uint8_t Longs::TInteger:ata [256]' is protected|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|301|error: within this context|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|16|error: 'uint8_t Longs::TInteger:ata [256]' is protected|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|301|error: within this context|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ios_base.h|790|error: 'std::ios_base::ios_base(const std::ios_base&)' is private|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\iosfwd|47|error: within this context|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\iosfwd|56|note: synthesized method 'std::basic_ios<char, std::char_traits<char> >::basic_ios(const std::basic_ios<char, std::char_traits<char> >&)' first required here |
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp||In function 'std::ostream operator<<(std::ostream&, const Longs::TInteger&)':|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|305|note: synthesized method 'std::basic_ostream<char, std::char_traits<char> >::basic_ostream(const std::basic_ostream<char, std::char_traits<char> >&)' first required here |
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp||In function 'int main()':|
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp|25|error: ambiguous overload for 'operator<<' in 'std::operator<< [with _Traits = std::char_traits<char>](((std::basic_ostream<char, std::char_traits<char> >&)(& log.std::basic_ofstream<char, std::char_traits<char> >::<anonymous>)), ((const char*)"x=")) << x'|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|108|note: candidates are: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>& (*)(std::basic_ostream<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|117|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ios<_CharT, _Traits>& (*)(std::basic_ios<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|127|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|165|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|169|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|173|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ostream.tcc|91|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|180|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ostream.tcc|105|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|191|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|200|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|204|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|209|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|213|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|221|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|225|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ostream.tcc|119|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|280|note: std::ostream operator<<(std::ostream&, const Longs::TInteger&)|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|468|note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char) [with _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|463|note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char) [with _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|457|note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char) [with _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|451|note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) [with _CharT = char, _Traits = std::char_traits<char>]|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|49|note: std::ostream Longs::operator<<(std::ostream&, const Longs::TInteger&)|
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp|9|warning: unused variable 'y32'|
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp|10|warning: unused variable 'z32'|
||=== Build finished: 7 errors, 2 warnings ===|
Similar
Эксперт
41792 / 34177 / 6122
Регистрация: 12.04.2006
Сообщений: 57,940
28.12.2012, 11:17
Здравствуйте! Я подобрал для вас темы с ответами на вопрос Не работает friend (C++):

Перегрузка операторов, friend или нет friend? - C++
Всем здравствуйте. Есть такой вопрос: при перегрузке операторов в классе(пусть будут + и = (вообще неважно, за исключением потока)) как и...

Не работает friend функция - C++
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Объясните, как в данном примере работает friend - C++
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#include &lt;iostream&gt; class assoc { struct pair { char* name; int val; }; int free;

Надоела реклама? Зарегистрируйтесь и она исчезнет полностью.
gray_fox
What a waste!
1506 / 1209 / 68
Регистрация: 21.04.2012
Сообщений: 2,544
Завершенные тесты: 3
28.12.2012, 11:49 #2
Цитата Сообщение от taras atavin Посмотреть сообщение
C++
1
std::ostream operator << ( std ::ostream &Stream, const Longs::TInteger &Value );
Надо ссылку возвращать - потоки нельзя копировать.
Toshkarik
1140 / 857 / 51
Регистрация: 03.08.2011
Сообщений: 2,384
Завершенные тесты: 1
28.12.2012, 11:51 #3
taras atavin, оператор должен возвращать ссылку на объект.
C++
1
std::ostream &operator<<( std::ostream &, ...
taras atavin
Ушёл с форума.
3569 / 1752 / 91
Регистрация: 24.11.2009
Сообщений: 27,619
28.12.2012, 11:52  [ТС] #4
А тогда амбигус:
C++
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#ifndef INTEGERLONGS_HPP_INCLUDED
#define INTEGERLONGS_HPP_INCLUDED
//=====================================================================================================================================================================================================
#include <iostream>
//=====================================================================================================================================================================================================
namespace Longs
{
 class TInteger;
};
//=====================================================================================================================================================================================================
class Longs::TInteger
{
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 protected:
 public   :
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  uint8_t       Data[0x100]; //This is the number. The encoding is additional code. The byte order is little-endian.
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 public   :
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                TInteger         (                             );
                TInteger         (const        TInteger &Value );
                TInteger         (const        int16_t   Value );
                TInteger         (const        int32_t   Value );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
               ~TInteger         (                             );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator =       (const        TInteger &Right );
  TInteger      operator =       (const        int16_t   Right );
  TInteger      operator =       (const        int32_t   Right );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator -       (                             ) const;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator +       (const        TInteger &Right ) const;
  TInteger      operator -       (const        TInteger &Right ) const;
  TInteger      operator *       (const        TInteger &Right ) const;
  TInteger      operator /       (const        TInteger &Right ) const;
  TInteger      operator %       (const        TInteger &Right ) const;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TInteger      operator +=      (const        TInteger &Right );
  TInteger      operator -=      (const        TInteger &Right );
  TInteger      operator *=      (const        TInteger &Right );
  TInteger      operator /=      (const        TInteger &Right );
  TInteger      operator %=      (const        TInteger &Right );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                operator int16_t (                             ) const;
                operator int32_t (                             ) const;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  friend
  std::ostream &operator <<      (      std  ::ostream  &Stream,
                                  const Longs::TInteger &Value );
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
};
//=====================================================================================================================================================================================================
Longs       ::
TInteger    ::  TInteger         (                             )
{
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  TInteger         (const        TInteger &Value )
{
 const uint8_t *Source;
       uint8_t *Target;
 for (Source=Value.Data+0xFF, Target=Data+0xFF; Target>=Data; --Source, --Target)
 {
  *Target=*Source;
 }
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  TInteger         (const        int16_t   Value )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFE)=(uint8_t)((Value&0xFF00)>>8);
 *(Data+0xFF)=(uint8_t) (Value&0x00FF);
 Buffer=0xFF*((uint8_t)((Value&0x8000)>>15));
 for (p=Data+0xFD; p>=Data; --p)
 {
  *p=Buffer;
 }
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  TInteger         (const        int32_t   Value )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFC)=(uint8_t)((Value&0xFF000000)>>24);
 *(Data+0xFD)=(uint8_t)((Value&0x00FF0000)>>16);
 *(Data+0xFE)=(uint8_t)((Value&0x0000FF00)>>8 );
 *(Data+0xFF)=(uint8_t) (Value&0x000000FF);
 Buffer=0xFF*((uint8_t)((Value&0x80000000)>>31));
 for (p=Data+0xFB; p>=Data; --p)
 {
  *p=Buffer;
 }
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    :: ~TInteger         (                          )
{
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator =       (const        TInteger &Right )
{
 const uint8_t *Source;
       uint8_t *Target;
 for (Source=Right.Data+0xFF, Target=Data+0xFF; Target>=Data; --Source, --Target)
 {
  *Target=*Source;
 }
 return *this;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator =       (const        int16_t   Right )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFE)=(uint8_t)((Right&0xFF00)>>8);
 *(Data+0xFF)=(uint8_t) (Right&0x00FF);
 Buffer=0xFF*((uint8_t)((Right&0x8000)>>15));
 for (p=Data+0xFD; p>=Data; --p)
 {
  *p=Buffer;
 }
 return *this;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator =       (const        int32_t   Right )
{
 uint8_t *p;
 uint8_t  Buffer;
 *(Data+0xFC)=(uint8_t)((Right&0xFF000000)>>24);
 *(Data+0xFD)=(uint8_t)((Right&0x00FF0000)>>16);
 *(Data+0xFE)=(uint8_t)((Right&0x0000FF00)>>8 );
 *(Data+0xFF)=(uint8_t) (Right&0x000000FF);
 Buffer=0xFF*((uint8_t)((Right&0x80000000)>>31));
 for (p=Data+0xFB; p>=Data; --p)
 {
  *p=Buffer;
 }
 return *this;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator -       (                             ) const
{
 const uint8_t  *Source;
       uint8_t  *Target;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
 for (Source=Data+0xFF, Target=Result.Data+0xFF; Source>=Data; --Source, --Target)
 {
  *Target=~(*Source);
 }
 for (Carry=0x0001, Target=Result.Data+0xFF; Target>=Result.Data; --Target)
 {
   Buffer=((uint16_t)*Target)+Carry;
  *Target= (uint8_t )(Buffer&0x00FF);
  Carry=(Buffer&0xFF00)>>8;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator +       (const        TInteger &Right ) const
{
 const uint8_t  *LeftByte;
 const uint8_t  *RightByte;
       uint8_t  *ResultByte;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
 for (Carry=0x0000, LeftByte=Data+0xFF, RightByte=Right.Data+0xFF, ResultByte=Result.Data+0xFF; LeftByte>=Data; --LeftByte, --RightByte, --ResultByte)
 {
   Buffer    =((uint16_t)*LeftByte)+((uint16_t)*RightByte)+Carry;
  *ResultByte= (uint8_t )(Buffer&0x00FF);
  Carry=(Buffer&0xFF00)>>8;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator -       (const        TInteger &Right ) const
{
 const uint8_t  *LeftByte;
 const uint8_t  *RightByte;
       uint8_t  *ResultByte;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
 for (Carry=0x0000, LeftByte=Data+0xFF, RightByte=Right.Data+0xFF, ResultByte=Result.Data+0xFF; LeftByte>=Data; --LeftByte, --RightByte, --ResultByte)
 {
   Buffer    =((uint16_t)*LeftByte)-((uint16_t)*RightByte)-Carry;
  *ResultByte= (uint8_t )(Buffer&0x00FF);
  Carry=(Buffer&0x0100)>>8;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger
Longs       ::
TInteger    ::  operator *       (const        TInteger &Right ) const
{
 const uint8_t  *LeftByte;
 const uint8_t  *RightByte;
       uint8_t  *ResultByte;
       uint8_t  *ResultStart;
       uint16_t  Buffer;
       uint16_t  Carry;
       TInteger  Result;
       TInteger  LeftBuffer;
       TInteger  RightBuffer;
 if (((*Data)&0x80)==0x80)
 {
  LeftBuffer=-(*this);
 }
 else
 {
  LeftBuffer=*this;
 }
 if (((*(Right.Data))&0x80)==0x80)
 {
  RightBuffer=-Right;
 }
 else
 {
  RightBuffer=Right;
 }
 for (ResultByte=Result.Data+0xFF; ResultByte>=Result.Data; --ResultByte)
 {
  *ResultByte=0;
 }
 for (LeftByte=LeftBuffer.Data+0xFF, ResultStart=Result.Data+0xFF; (LeftByte>=LeftBuffer.Data)&&(ResultStart>=Result.Data); --LeftByte, --ResultStart)
 {
  for (Carry=0x0000, RightByte=RightBuffer.Data+0xFF, ResultByte=ResultStart; (RightByte>=RightBuffer.Data)&&(ResultByte>=Result.Data); --RightByte, --ResultByte)
  {
   Buffer    =((uint16_t)*LeftByte)*((uint16_t)*RightByte)+((uint16_t)*ResultByte)+Carry;
  *ResultByte= (uint8_t )(Buffer&0x00FF);
   Carry=(Buffer&0xFF00)>>8;Carry=(Buffer&0xFF00)>>8;
  }
 }
 if ((((*Data)&0x80)^((*(Right.Data))&0x80))==0x80)
 {
  return -Result;
 }
 return Result;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  operator int16_t (                             ) const
{
 return (((uint16_t)((* Data)&0x80))<<8)|(((uint16_t)((*(Data+0xFE))&0x7F))<<8)|((uint16_t)(*(Data+0xFF)));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Longs       ::
TInteger    ::  operator int32_t (                             ) const
{
 return (((uint32_t)((*Data)&0x80))<<24)|(((uint32_t)((*(Data+0xFC))&0x7F))<<24)|(((uint32_t)((*(Data+0xFD))&0xFF))<<16)|(((uint32_t)((*(Data+0xFE))&0xFF))<<8)|((uint32_t)(*(Data+0xFF)));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
std::ostream   &operator <<      (      std  ::ostream  &Stream,
                                  const Longs::TInteger &Value )
{
 static const char Digits[0x100][0x3]={"00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0A", "0B","0C", "0D", "0E", "0F",
                                       "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1A", "1B","1C", "1D", "1E", "1F",
                                       "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2A", "2B","2C", "2D", "2E", "2F",
                                       "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B","3C", "3D", "3E", "3F",
                                       "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4A", "4B","4C", "4D", "4E", "4F",
                                       "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5A", "5B","5C", "5D", "5E", "5F",
                                       "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6A", "6B","6C", "6D", "6E", "6F",
                                       "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7A", "7B","7C", "7D", "7E", "7F",
                                       "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8A", "8B","8C", "8D", "8E", "8F",
                                       "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9A", "9B","9C", "9D", "9E", "9F",
                                       "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "AA", "AB","AC", "AD", "AE", "AF",
                                       "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", "B8", "B9", "BA", "BB","BC", "BD", "BE", "BF",
                                       "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB","CC", "CD", "CE", "CF",
                                       "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", "D8", "D9", "DA", "DB","DC", "DD", "DE", "DF",
                                       "E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB","EC", "ED", "EE", "EF",
                                       "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "FA", "FB","FC", "FD", "FE", "FF"};
 const uint8_t *p;
 const uint8_t *End;
 for (p=Value.Data, End=Value.Data+0xFF; p<=End; ++p)
 {
  Stream<<Digits[*p];
 }
 return Stream;
}
//=====================================================================================================================================================================================================
#endif // INTEGERLONGS_HPP_INCLUDED
,
C++
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#include <iostream>
#include <fstream>
#include "integer.hpp"
int main()
{
 std::ofstream log;
 log.open("log.txt");
 int32_t x32;
 int32_t y32;
 int32_t z32;
 Longs::TInteger x;
 Longs::TInteger y;
 Longs::TInteger z;
 for (x32=-1024; x32<=1024; ++x32)
 {
  x=x32;
  //for (y32=0; y32<=202; ++y32)
  {
   //y=y32;
   //z32=x32<<y32;
   //z=x<<y;
   log<<"x32="<<(int32_t)x32<<std::endl;
   //log<<"y32="<<(int32_t)y32<<std::endl;
   //log<<"z32="<<(int32_t)z32<<std::endl;
   log<<"x="<<x;//<<"("<<(int32_t)x<<")"<<std::endl;
   //log<<"y="<<(int32_t)y<<std::endl;
   //log<<"y="<<(int32_t)y<<std::endl;
   //log<<"z="<<(int32_t)z<<std::endl;
   //log<<"z-z32="<<((int32_t)z)-z32<<std::endl<<std::endl;
   /*if (((int32_t)z)!=z32)
   {
    std::cout<<"x32="<<(int32_t)x32<<std::endl;
    std::cout<<"y32="<<(int32_t)y32<<std::endl;
    std::cout<<"z32="<<(int32_t)z32<<std::endl;
    std::cout<<"x="<<(int32_t)x<<std::endl;
    std::cout<<"y="<<(int32_t)y<<std::endl;
    std::cout<<"y="<<(int32_t)y<<std::endl;
    std::cout<<"z="<<(int32_t)z<<std::endl;
    std::cout<<"z-z32="<<((int32_t)z)-z32<<std::endl<<std::endl;
   }*/
  }
 }
 log.close();
 return 0;
}
,
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp||In function 'int main()':|
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp|25|error: ambiguous overload for 'operator<<' in 'std::operator<< [with _Traits = std::char_traits<char>](((std::basic_ostream<char, std::char_traits<char> >&)(& log.std::basic_ofstream<char, std::char_traits<char> >::<anonymous>)), ((const char*)"x=")) << x'|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|108|note: candidates are: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>& (*)(std::basic_ostream<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|117|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ios<_CharT, _Traits>& (*)(std::basic_ios<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|127|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|165|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|169|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|173|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ostream.tcc|91|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|180|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ostream.tcc|105|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|191|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|200|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|204|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|209|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|213|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|221|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char, _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|225|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\bits\ostream.tcc|119|note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char, _Traits = std::char_traits<char>] <near match>|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|281|note: std::ostream& operator<<(std::ostream&, const Longs::TInteger&)|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|468|note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char) [with _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|463|note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char) [with _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|457|note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char) [with _Traits = std::char_traits<char>]|
c:\program files (x86)\codeblocks\mingw\bin\..\lib\gcc\mingw32\4.4.1\include\c++\ostream|451|note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) [with _CharT = char, _Traits = std::char_traits<char>]|
C:\tsserver\Projects\cpp\codeblocks\Longs\integer.hpp|50|note: std::ostream& Longs::operator<<(std::ostream&, const Longs::TInteger&)|
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp|9|warning: unused variable 'y32'|
C:\tsserver\Projects\cpp\codeblocks\Longs\Test.cpp|10|warning: unused variable 'z32'|
||=== Build finished: 1 errors, 2 warnings ===|
.
gray_fox
What a waste!
1506 / 1209 / 68
Регистрация: 21.04.2012
Сообщений: 2,544
Завершенные тесты: 3
28.12.2012, 11:57 #5
Наверняка опять проблемы из-за операторов приведения к целому.
rangerx
1933 / 1542 / 141
Регистрация: 31.05.2009
Сообщений: 2,912
28.12.2012, 11:59 #6
1) оператор вывода должен возвращать ссылку на ostream.
2) опиши friend функцию внутри пространства имён Longs.
taras atavin
Ушёл с форума.
3569 / 1752 / 91
Регистрация: 24.11.2009
Сообщений: 27,619
28.12.2012, 12:00  [ТС] #7
А почему они то мешают? Ведь есть версия, к которой приводить вроде как не надо.

Добавлено через 59 секунд
Цитата Сообщение от rangerx Посмотреть сообщение
опиши friend функцию внутри пространства имён Longs.
А ничего, что прототип валяется в фигурных скобках члена этого пространства?
rangerx
1933 / 1542 / 141
Регистрация: 31.05.2009
Сообщений: 2,912
28.12.2012, 12:15 #8
C++
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namespace Longs 
{
std::ostream&    operator <<      (      std  ::ostream  &Stream,
                                  const Longs::TInteger &Value )
{
 static const char Digits[0x100][0x3]={"00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0A", "0B","0C", "0D", "0E", "0F",
                                       "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1A", "1B","1C", "1D", "1E", "1F",
                                       "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2A", "2B","2C", "2D", "2E", "2F",
                                       "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B","3C", "3D", "3E", "3F",
                                       "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4A", "4B","4C", "4D", "4E", "4F",
                                       "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5A", "5B","5C", "5D", "5E", "5F",
                                       "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6A", "6B","6C", "6D", "6E", "6F",
                                       "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7A", "7B","7C", "7D", "7E", "7F",
                                       "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8A", "8B","8C", "8D", "8E", "8F",
                                       "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9A", "9B","9C", "9D", "9E", "9F",
                                       "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "AA", "AB","AC", "AD", "AE", "AF",
                                       "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", "B8", "B9", "BA", "BB","BC", "BD", "BE", "BF",
                                       "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB","CC", "CD", "CE", "CF",
                                       "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", "D8", "D9", "DA", "DB","DC", "DD", "DE", "DF",
                                       "E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB","EC", "ED", "EE", "EF",
                                       "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "FA", "FB","FC", "FD", "FE", "FF"};
 const uint8_t *p;
 const uint8_t *End;
 for (p=Value.Data, End=Value.Data+0xFF; p<=End; ++p)
 {
  Stream<<Digits[*(uint8_t*)p];
 }
 return Stream;
}
}
MoreAnswers
Эксперт
37091 / 29110 / 5898
Регистрация: 17.06.2006
Сообщений: 43,301
28.12.2012, 12:15
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