/*
   testio1.cpp
   CIS 150
   May 2008
   David Klick
   
   This program demonstrates a number of output formatting
   techniques used with C++ output streams.
*/

#include <iostream>
#include <iomanip>
using std::cin;           // input stream
using std::cout;          // output stream
using std::endl;          // outputs newline and flushes output buffer
using std::setw;          // sets width of next field to be output
                          //    setw must be set before every field output
using std::setprecision;  // sets number of positions after decimal point
using std::setfill;       // sets the leading fill character
using std::left;          // left justification
using std::right;         // right justification
using std::hex;           // outputs numbers in base 16
using std::oct;           // outputs numbers in base 8
using std::dec;           // outputs numbers in base 10
using std::fixed;         // forces fixed decimal display instead of scientific notation
using std::showpoint;     // outputs decimal point even if not needed
using std::boolalpha;     // outputs "true" and "false" for bool values
using std::noboolalpha;   // outputs 0 for false, and 1 for true
using std::showbase;      // adds indicator to output to specify number base
using std::noshowbase;    // omits indicator to output to specify number base
using std::uppercase;     // outputs hex digits and scientific notation in uppercase
using std::nouppercase;   // outputs hex digits and scientific notation in lowercase

void cont();

int main() {
   // declare and initialize variables
   int n = 42;
   double x = 78.1544472;
   bool flag = false;
   
   cout << n << '\n';   
   cout << setw(5) << n << '\n';
   cout << setfill('*') << setw(5) << n << '\n';
   cout << left << setw(5) << n << '\n';
   cout << right << setw(5) << n << '\n';
   cout << setfill(' ') << hex << setw(5) << n << '\n';
   cout << oct << setw(5) << n << '\n';
   cout << showbase << hex << setw(5) << n << '\n';
   cout << oct << setw(5) << n << '\n';
   cout << uppercase;
   cout << showbase << hex << setw(5) << n << '\n';
   cout << nouppercase;
   cout << showbase << hex << setw(5) << n << '\n';
   cout << noshowbase << hex << setw(5) << n << '\n';
   cout << oct << setw(5) << n << '\n';
   cout << dec << setw(5) << n << "\n\n";
   
   cout << x << '\n';
   cout << setw(10) << setprecision(5) << x << '\n';
   cout << fixed << showpoint;
   cout << setw(10) << setprecision(5) << x << "\n\n";

   cout << flag << '\n';
   cout << boolalpha << flag << '\n';
   cout << noboolalpha << flag << "\n\n";
   
   cont();
   return 0;
}

void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}

/*
   Sample output:

   42
      42
   ***42
   42***
   ***42
      2a
      52
    0x2a
     052
    0X2A
    0x2a
      2a
      52
      42

   78.1544
       78.154
     78.15445

   0
   false
   0
*/