Re: Solaris 2.6 finite() prototype

[Andrew Halper <ashalper acm org>]

Cyrille Chepelov wrote:

> Just add a configure.in test for the presence of ieeefp.h, and then include
> ieeefp.h if HAVE_IEEEFP in the files which use finite(). You don't need to
> apologise for using Solaris :-). It's a matter of
>         AC_CHECK_HEADERS(ieeefp.h)
>         (check that autoheader really includes a HAVE_IEEEFP variable then),
> and then #ifdef HAVE_IEEEFP (_H ?), do the right thing (it can't hurt to
> include both ieeefp.h and math.h on platform which have both but have
> finite() in math.h, anyway)

I've since learned that this situation exists on at least Solaris 2.4,
2.6, probably 2.5.x, and in some HP-UX configurations, finite() doesn't
exist at all.  Apparently there is a macro in The GIMP source to handle
it, so I'm looking at that next.  I'll just copy theirs if I can.

Andy