Printing the correct number of decimal points with cout

Question

I have a list of float values and I want to print them with cout with 2 decimal places.

For example:

10.900  should be prin         


        

Answer 1

I had an issue for integers while wanting consistent formatting.

A rewrite for completeness:

#include 
#include 

int main()
{
    //    floating point formatting example

    double d = 122.345;
    std::cout << std::fixed << std::setprecision(2) << d << std::endl;
    //    Output:  122.34


    //    integer formatting example

    int i = 122;
    std::cout << std::fixed << std::setprecision(2) << double(i) << std::endl;
    //    Output:  122.00
}