ios Formatting Flags

// ios formatting flags
#include <iostream> 
#include <iomanip> 
int main( ) 
{   
    int i = 52 ; 
    float a = 425.0 ;
    float b = 123.500328 ;
    char str[ ] = "Dream. Then make it happen!" ;
    std :: cout.setf ( std :: ios :: unitbuf ) ;
    std :: cout.setf ( std :: ios :: showpos ) ;
    std :: cout << i << std :: endl ;
    std :: cout.setf ( std :: ios :: showbase ) ;
    std :: cout.setf ( std :: ios :: uppercase ) ;
    std :: cout.setf ( std :: ios :: hex, std :: ios :: basefield ) ;
    std :: cout << i << std :: endl ;
    std :: cout.setf ( std :: ios :: oct, std :: ios :: basefield ) ;
    std :: cout << i << std :: endl ;
    std :: cout.fill ( '0' ) ;
    std :: cout << "Fill character: " << std :: cout.fill( ) << std :: endl ;
    std :: cout.setf ( std :: ios :: dec, std :: ios :: basefield ) ;
    std :: cout.width ( 10 ) ;
    std :: cout << i << std :: endl ;
    std :: cout.setf ( std :: ios :: left, std :: ios :: adjustfield ) ;
    std :: cout.width ( 10 ) ;
    std :: cout << i << std :: endl ;
    std :: cout.setf ( std :: ios :: internal, std :: ios :: adjustfield ) ;
    std :: cout.width ( 10 ) ;
    std :: cout << i << std :: endl ;
    std :: cout << i << std :: endl ; // without width ( 10 )
    std :: cout.width ( 10 ) ;
    std :: cout << str << std :: endl ;
    std :: cout.width ( 40 ) ;
    std :: cout << str << std :: endl ;
    std :: cout.setf ( std :: ios :: left, std :: ios :: adjustfield ) ;
    std :: cout.width ( 40 ) ;
    std :: cout << str << std :: endl ;
    std :: cout.precision ( 6 ) ;
    std :: cout << "Precision: " << std :: cout.precision( ) ;
    std :: cout.setf ( std :: ios :: showpoint ) ;
    std :: cout.unsetf ( std :: ios :: showpos ) ;
    std :: cout << std :: endl << a ;
    std :: cout.unsetf ( std :: ios :: showpoint ) ;
    std :: cout << std :: endl << a ;
    std :: cout.setf ( std :: ios :: fixed, std :: ios :: floatfield ) ;
    std :: cout << std :: endl << b ;
    std :: cout.setf ( std :: ios :: scientific, std :: ios :: floatfield ) ;
    std :: cout << std :: endl << b ;
    b = 5.375 ;
    std :: cout.precision ( 14 ) ;
    std :: cout.setf ( std :: ios :: fixed, std :: ios :: floatfield ) ;
    std :: cout << std :: endl << b ;
    std :: cout.setf ( std :: ios :: scientific, std :: ios :: floatfield ) ;
    std :: cout << std :: endl << b << std :: endl ;
    std :: cout.unsetf ( std :: ios :: showpoint ) ;
    std :: cout.unsetf ( std :: ios :: unitbuf ) ;
    
    return 0 ;
}