fig11_26.cpp

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// Fig. 11.26: fig11_26.cpp 
// Displaying floating-point values in system default,
// scientific, and fixed formats.
#include <iostream>

using std::cout;
using std::endl;
using std::ios;

int main()
{
   double x = .001234567, y = 1.946e9;

   cout << "Displayed in default format:\n"
        << x << '\t' << y << '\n';
   cout.setf( ios::scientific, ios::floatfield );
   cout << "Displayed in scientific format:\n"
        << x << '\t' << y << '\n';
   cout.unsetf( ios::scientific );
   cout << "Displayed in default format after unsetf:\n" 
        << x << '\t' << y << '\n';
   cout.setf( ios::fixed, ios::floatfield );
   cout << "Displayed in fixed format:\n"
        << x << '\t' << y << endl;
   return 0;
}




/**************************************************************************
 * (C) Copyright 2000 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
 *                                                                        *
 * DISCLAIMER: The authors and publisher of this book have used their     *
 * best efforts in preparing the book. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
 * no warranty of any kind, expressed or implied, with regard to these    *
 * programs or to the documentation contained in these books. The authors *
 * and publisher shall not be liable in any event for incidental or       *
 * consequential damages in connection with, or arising out of, the       *
 * furnishing, performance, or use of these programs.                     *
 *************************************************************************/