Re: Defining a HAVE_J0 in config.h for gfortran?

[Toon Moene <toon at moene dot indiv dot nluug dot nl>]

Joseph S. Myers wrote:

> On Wed, 11 Aug 2004, Richard Henderson wrote:

> > If they do come out unresolved for a particular system, then they
> > do.  Unlike the other intrinsics being discussed, the bessel functions
> > are not required for other Fortran standard conformance.  I don't
> > know that we should be trying to remedy every deficiency in the
> > system libm...

> One thing to bear in mind is that there is a draft TR for additional 
> <math.h> functions (WG14 N1051) that adds these functions under different 
> names, so in future it might be necessary to consider libm with the new 
> names but not the old.  But hopefully libgfortran configure can deal with 
> that as and when it is needed.

And, in addition to this, there's a good chance that Bessel functions et 
al. will be intrinsic functions in Fortran 2008 (which will be the 
Fortran Standard after 2003 has gone out succesfully - a paper exercise 
if there ever was one ... ;-)

--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
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A maintainer of GNU Fortran 95: http://gcc.gnu.org/fortran/