Re: charconv for C++11

From: Alexander Grund (alexander.grund_at_[hidden])
Date: 2023-05-12 06:42:35

Am 12.05.23 um 02:52 schrieb Gavin Lambert via Boost:
> Mere moments ago, quoth I:
>>> Hex format will be of the form +1.0e2p+5. The integer part will
>>> always be 0 or 1. The exponent will be with a p instead of an e like
>>> in base 10 formats.
> (Also, FWIW, gcc fails to parse that with the leading +.  And I 
> couldn't even find any online calculators that understand this format.)
According to cppreference the floating point parser should not support it:

 Â Â Â  "the plus sign is not recognized outside of the exponent (only the 
minus sign is permitted at the beginning)"

So I'd say that is a bug in Boost charconv given that it wants to be 
as-if the standard one.