C++11 std::to_string(double) - No trailing zeros

Question

Today I tried out some new functions of the C++11 STL and encountered std::to_string.

Lovely, lovely set of functions. Creating a stringstream object fo

Answer 1

std::to_string(double) is defined by the standard to just return the same sequence of characters that would be generated by sprintf(buf, "%f", value). No more, no less, especially no way to tweak the format specifier. So no, there is nothing you can do.