15. Miscellaneous manipulator examples

• 
  #include <iostream>
  #include <iomanip>
  using namespace std;
  int main() {
  /*         5600 */ cout << setw( 14 )               << 56e2 << '\n';
  /*      5600.00 */ cout << setw( 14 ) << showpoint  << 56e+2 << '\n';
  /*2.345678e+002 */ cout << setw( 14 ) << scientific << 234.5678 << '\n';
  /*          255 */ cout << setw( 14 )               << 255 << '\n';
  /*           ff */ cout << setw( 14 ) << hex        << 255 << '\n'; 
  /*          377 */ cout << setw( 14 ) << oct        << 255 << '\n';
  /*            1 */ cout << setw( 14 )               << true << '\n';
  /*         true */ cout << setw( 14 ) << boolalpha  << true << '\n';
  /*  1234.567890 */ cout << setw( 14 ) << fixed      << 1234.56789 << '\n';
  /*     1234.568 */ cout << setw( 14 ) << fixed << setprecision(3) << 1234.56789 << '\n';
      return 0;
  }
  /*
  Output:
            5600
         5600.00
   2.345678e+002
             255
              ff
             377
               1
            true
     1234.567890
        1234.568
  */