The precision of std::to_string(double)

No.

Returns: Each function returns a string object holding the character representation of the value of
its argument that would be generated by calling sprintf(buf, fmt, val) with a format specifier of
"%d", "%u", "%ld", "%lu", "%lld", "%llu", "%f", "%f", or "%Lf", respectively, where buf designates
an internal character buffer of sufficient size.