// iomanip

// iomanip (input/output manipulators) is a library that helps
// you to edit what you ouptput to the console or a file (make it 
// look pretty). There are several useful features that you will 
// likely use often in this course.

#include<iostream>
#include<iomanip>

using namespace std;


int main()
{

	double num = 5;

// setw

	//output is automatically right justified
	// you can use the left manipulator to change this
	cout << "with no formatting: " << num << endl;
	cout << "with setw(5) :" << setw(5) << num << endl;
	cout << "with setw(10):" << setw(10) << num << endl << endl;


// setprecision

	//setprecision by itself will round off the number based on the
	//parameter that you give it.
	num = 5.133333323;
	cout << "set 1: " << setprecision(1) << num << endl;
	cout << "set 2: " << setprecision(2) << num << endl;
	cout << "set 3: " << setprecision(3) << num << endl;
	cout << "set 4: " << setprecision(4) << num << endl;
	cout << "set 5: " << setprecision(5) << num << endl << endl;




	num = 12345678.99;
	cout << "Here is a problem with setprecision: " << setprecision(5) << num << endl << endl;


	//if you want to have fixed point notation use the fixed manipulator
	cout << "fixed 2: " << setprecision(2) << fixed << num << endl;
	cout << "fixed 3: " << setprecision(3) << fixed << num << endl;
	cout << "fixed 4: " << setprecision(4) << fixed << num << endl << endl;


	cout.unsetf(ios::fixed);

	//this notice how with showpoint setprecision displays a number
	// with a total of at least 6 digits in length
	num = 50;
	cout << "showpoint 6: " << setprecision(6) << showpoint << num << endl;


	return 0;
}