/* File: setwidth.cpp

Programmer: S. Imberman

Description: Shows setwidth format for float numbers

Date: 09/21/2008

*/

#include <iostream>

#include <iomanip>

using namespace std;

int

main()

{

int num2;

num2 = 1234;

//demonstration of setw

cout << "A width of 7" << '|' << setw(7)

<< num2 << '|' << endl;

cout << "A width of 2" << '|' << setw(2)

<< num2 << '|' << endl;

cout << "A width of 5" << '|' << setw(5)

<< num2 << '|' << endl;

cout << "No width specified " << '|' << num2 << '|' << endl;

return 0;

}

A width of 7| 1234|

A width of 2|1234|

A width of 5| 1234|

No width specified |1234|

Press any key to continue

-------------------------------------------------------------------------

/* File: leftrightformat.cpp

Programmer: S. Imberman

Description: Shows left and right justification for float numbers

Date: 09/21/2008

*/

#include <iostream>

#include <iomanip>

using namespace std;

int

main()

{

int num2;

num2 = 1234;

//demonstration of setw

cout << "A width of 7" << '|' << setw(7)

<< num2 << '|' << endl;

cout << left << "A width of 7" << '|' << setw(7)

<< num2 << '|' << endl;

cout << right << "A width of 7" << '|' << setw(7)

<< num2 << '|' << endl;

return 0;

}

A width of 7| 1234|

A width of 7|1234 |

A width of 7| 1234|

Press any key to continue

-------------------------------------------------------------------------

/* File: precision.cpp

Programmer: S. Imberman

Description: Shows precision format for float numbers

Date: 09/21/2008

*/

#include <iostream>

#include <iomanip>

using namespace std;

int

main()

{

float num1;

//default printout of float numbers.

num1 = 123456;

cout << "The value of num1 is: " << num1 << endl;

num1 = 1234567;

cout << "The value of num1 is: " << num1 << endl;

//demonstration of setprecision

cout <<"A precision of 3 " << setprecision(3) << num1 << endl;

cout << "A precision of 2 " <<setprecision(2) << num1 << endl;

cout << "No precision specified after precision 2 specified "

<< num1 << endl;

return 0;

}

The value of num1 is: 123456

The value of num1 is: 1.23457e+006

A precision of 3 1.23e+006

A precision of 2 1.2e+006

No precision specified after precision 2 specified 1.2e+006

Press any key to continue

---------------------------------------------------------------------

/* File: showpoint.cpp

Programmer: S. Imberman

Description: Shows showpoint format for float numbers

Date: 09/21/2008

*/

#include <iostream>

#include <iomanip>

using namespace std;

int

main()

{

float num1;

//default printout of float numbers.

num1 = 123456;

cout << "The value of num1 is: " << num1 << endl;

num1 = 1234567;

cout << "The value of num1 is: " << num1 << endl;

//demonstration of format flag showpoint

cout << "demo of showpoint" << endl;

num1 = 6;

cout << "Before showpoint"<< endl;

cout << num1 << endl;

cout << showpoint;

cout << "After showpoint" << endl;

cout << num1 << endl;

num1 = 24.5;

cout << num1 << endl;

num1 = 1234567;

cout << num1 << endl;

return 0;

}

The value of num1 is: 123456

The value of num1 is: 1.23457e+006

demo of showpoint

Before showpoint

6

After showpoint

6.00000

24.5000

1.23457e+006

Press any key to continue

------------------------------------------------------------------

/* File: fixed.cpp

Programmer: S. Imberman

Description: Shows fixed format for float numbers

Date: 09/21/2008

*/

#include <iostream>

#include <iomanip>

using namespace std;

int

main()

{

float num1;

//default printout of float numbers.

num1 = 123456;

cout << "The value of num1 is: " << num1 << endl;

num1 = 1234567;

cout << "The value of num1 is: " << num1 << endl;

cout << "demo of fixed" << endl;

cout << fixed;

cout << num1 << endl;

num1 = 24.5;

cout << num1 << endl;

num1 = 6;

cout << num1 << endl;

num1 = 123456;

cout << num1 << endl << endl;;

cout << "Demo of fixed and setprecision" << endl;

num1 = 23.123456;

cout << "Before setprecision: " << num1 << endl;

cout << setprecision(3);

cout << "After setprecision(3): " << num1<< endl;

return 0;

}

The value of num1 is: 123456

The value of num1 is: 1.23457e+006

demo of fixed

1234567.000000

24.500000

6.000000

123456.000000

Demo of fixed and setprecision

Before setprecision: 23.123455

After setprecision(3): 23.123

Press any key to continue