Mega Code Archive
Switch between decimal and hexadecimal output
<![CDATA[
/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
// stream for hexadecimal standard output
ostream hexout(cout.rdbuf());
hexout.setf (ios::hex, ios::basefield);
hexout.setf (ios::showbase);
// switch between decimal and hexadecimal output
hexout << "hexout: " << 177 << " ";
cout << "cout: " << 177 << " ";
hexout << "hexout: " << -49 << " ";
cout << "cout: " << -49 << " ";
hexout << endl;
}
hexout: 0xb1 cout: 177 hexout: 0xffffffcf cout: -49
]]>