C++/Bitset/bitset transform

Transform binary representation into integral number using bitset

<source lang="cpp">

/* 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.
*/

1. include <bitset>
2. include <iostream>
3. include <string>
4. include <limits>

using namespace std; int main() {

   /* print some numbers in binary representation
    */
   cout << "267 as binary short:     "
        << bitset<numeric_limits<unsigned short>::digits>(267)
        << endl;
   cout << "267 as binary long:      "
        << bitset<numeric_limits<unsigned long>::digits>(267)
        << endl;
   cout << "10,000,000 with 24 bits: "
        << bitset<24>(1e7) << endl;
   /* transform binary representation into integral number
    */
   cout << "\"1000101011\" as number:  "
        << bitset<100>(string("1000101011")).to_ulong() << endl;

}

/* 

267 as binary short: 0000000100001011 267 as binary long: 00000000000000000000000100001011 10,000,000 with 24 bits: 100110001001011010000000 1000101011" as number: 555

*/       
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