PRODUCT  :  C++                                    NUMBER  :  640
  VERSION  :  All
       OS  :  PC DOS
     DATE  :  October 22, 1993                         PAGE  :  1/1

    TITLE  :  Precision and Decimal Places in iostreams




  Given a real variable  x  (either float or double) with value 2.0
  and also given a real variable PI = 3.1415926...

  ---- OUTPUT ----   ------------- STATEMENT ---------------

  "x == 2"             cout<<"x == "<<x;

  "x==2.00"            cout<<setprecision(3)
                           <<setiosflags(ios::showpoint)
                           <<"x == "<<x;

  "x == "02.0"         cout<<setw(4)<<setfill('0')
                           <<setprecision(2)
                           <<"x == "<<x;

  "pi == 3.14"         cout<<setprecision(3)<<"pi == "<<pi;

  "pi == 3.1416"       cout<<setprecision(5)<<"pi == "<<pi;

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  pertains.