[gfortran] patch for output of real values on windows systems

[Steve Kargl]

On Fri, Aug 05, 2005 at 09:29:58PM -0700, Ian Lance Taylor wrote:
> FX Coudert <fxcoudert@gmail.com> writes:
> 
> > The provided fallback sprintf is not perfect: it prints incorrect last
> > digits (at least, not similar to those printed by GNU libc) when used
> > to output very large or very small long double values with high
> > precision (more than 15 digits). Any practical suggestion on this is
> > welcome.
> 
> newlib (http://sourceware.org/newlib/) includes an implementation of
> dtoa, originally by David Gay, which is said to correctly represent
> floating point values, based on Steele and White's algorithm.  It's in
> newlib/libc/stdlib/dtoa.c.  The original version is probably available
> from netlib.  There is similar code in other free C libraries.
> There's no need to roll your own code to convert floating point values
> to printable form.

Is newlib GPL+exception compatible?  Does David Gay
have a copyright assigment on file with FSF?

-- 
Steve