RFC on floating point output work

[Paolo Carlini]

Gabriel Dos Reis wrote:

>Paolo Carlini <pcarlini@unitus.it> writes:
>
>| Yes, I contacted Jerry back in July and discussed a bit the various
>| options (i.e., snprintfv by Paolo Bonzini). Then Jerry proceeded alone
>
>maybe it is because I don't know all the details
>
exactly :-)

> but I'm very concerned
>about basing C++ I/O on printf-like instructure where, the underlying
>machinery would have to reparse format-specifiers in order to recover
>a type that was already there, plus other redundant/slowing checks.
>
of course, whichever way we go, we are NOT going to rely anymore on 
printf-like functions! Paolo Bonzini, as part of his snprintfv work 
implemented in an interesting way the core float to char functionality 
that we really need.

Paolo.