Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 11 Drill 9
Using std_lib_facilities.h by Bjarne Stroustrup.
[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PPP
// Chapter 11 Drill 9
#include "std_lib_facilities.h"
void print_num(double _num) {
int width = 12;
cout << setw(width) << "defaultfloat\t" << defaultfloat << _num << endl;
cout << setw(width) << "fixed\t" << fixed <<_num << endl;
cout << setw(width) << "scientific\t" << scientific << _num << endl;
}
int main()
try
{
double num = 1234567.89;
print_num(num);
keep_window_open();
}
catch (runtime_error e) {
cout << e.what() << endl;
keep_window_open();
}
catch (…) {
cout << "Exiting" << endl;
keep_window_open();
}
[/code]
Output: 1234567.89 defaultfloat 1.23457e+06 fixed 1234567.890000 scientific 1.234568e+06 Please enter a character to exit
