#include "stdafx.h"
#include <iostream>
#include <iomanip>
#include <boost\dynamic_bitset.hpp>
template <class Block, class Alloc, class BlockOutputIterator>
BlockOutputIterator get_bit_range(boost::dynamic_bitset<Block, Alloc> const& b, std::size_t begin, std::size_t end, BlockOutputIterator out)
{
Block value = 0;
int pos = 0;
while (begin != end)
{
value |= (b.test(begin) << pos++);
if (pos == boost::dynamic_bitset<Block,Alloc>::bits_per_block)
{
pos = 0;
*out = value;
++out;
value = 0;
}
++begin;
}
if (pos != 0)
{
*out = value;
}
return out;
}
int _tmain(int argc, _TCHAR* argv[])
{
typedef unsigned char block_type;
boost::dynamic_bitset<block_type> original(std::string("00011110000111100011100010001111000110001110000001111111000"));
std::cout << original << std::endl;
block_type value[2] = { 0, 0 };
get_bit_range(original, 3, 12, value);
std::cout << std::hex << std::setfill('0') << std::setw(2) << (int) value[0]
<< std::setw(2) << (int) value[1] << std::endl;
return 0;
}
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Спасибо, обещаю воспользоваться вашими советами, но не скоро.