Some fixed format values don't roundtrip
mborland opened this issue · comments
If the value of abs(value_struct.exponent) is greater than num_dig we can lose some digits e.g. 2.48386e-20 returns as 2.48386F and 2.12157e+19F returns 2.12157F.
boostorg / charconv
C++11 compatible charconv
https://www.boost.org/doc/libs/master/libs/charconv/doc/html/charconv.html