c++ - Fixed Decimal Precision -

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• how can change precision of printing stl? 2 answers

i using

std::cout.precision(5); 

to set decimal precision of outputs. however, rather have output output 5 decimal places (right won't show 0's). how change code reflect this?

you looking std::fixed std::setprecision.

#include <iomanip> #include <iostream> double f =1.1; std::cout << std::fixed; std::cout << std::setprecision(5) << f << std::endl; 

stdout

1.10000