Defining a HAVE_J0 in config.h for gfortran?

[Toon Moene]

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
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
Maintainer, GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
A maintainer of GNU Fortran 95: http://gcc.gnu.org/fortran/