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Date: Mon, 26 Oct 2015 11:36:02 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: problems with to_string not declared in this scope
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On Oct 25 11:25, Michael Enright wrote:
> On Sat, Oct 24, 2015 at 10:31 PM, JonY  wrote:
> >
> > On 10/25/2015 01:00, Michael Enright wrote:
> > >
> > > I sometimes wonder what would be involved in fixing this.
> > >
> >
> > Full C99 *printf support. Corinna answered on the same thread
> > https://sourceware.org/ml/cygwin/2015-01/msg00245.html
> >
>=20
> Yes, but what I was wondering about was the first couple of levels of
> detail below that, i.e. which algorithms, having yet to be coded in
> newlib, are needed to enable long double textification in newlib? I
> know practical methods for textifying integers but as far as I know
> floats are harder. Maybe I could use the parable of the stone soup and
> get the work rolling by offering a filename? ldtostr.c

Textifying the numbers is not the problem, there's already the ldtoa
functionality.  Missing the set of long double functions is.  I think
it's not the GLIBCXX_HAVE_BROKEN_VSWPRINTF, but the _GLIBCXX_USE_C99
flag or something like that.  JonY?

It would still be nice if somebody with a bit of math knowledge would
contribute the missing long double functions to newlib.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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