ERFC_SCALED compile-time simplification

[Joseph S. Myers]

On Sat, 2 May 2009, FX wrote:

> > I hope this is temporary and you will be working on getting this into MPFR
> > and will remove this once GCC requires a new enough MPFR; MPFR has much
> > more expertise on reviewing implementations of such functions and we'd
> > generally prefer to rely on their expertise rather than maintaining such
> > implementations locally.
> 
> That would be the better course, of course. I'd welcome such inclusion into
> MPFR, would adapt gfortran accordingly (which would be trivial); in the
> meantime, I'll file a feature request for MPFR.

If there are other Fortran-required functions not currently in MPFR, it 
might be worth requesting them as well - implementing functions required 
for Fortran seems just as reasonable a thing for MPFR to aim to do as 
implementing the C99 functions.

-- 
Joseph S. Myers
joseph@codesourcery.com