Re: problems with g77

["sreenath.ramaswamy" <sreenath dot ramaswamy at tatainfotech dot com>]

Hi,

	The version details asked for are
	g77 - 2.96-85 on RHLinux 7.1
	Kernel - 2.4.3-12smp
	glibc - 2.2.3-10

TIA & Rgds,
Sreenath

On Thu, 3 Jan 2002, Toon Moene wrote:

> "sreenath.ramaswamy" wrote:
> 
> >         We are facing a problem with running a quantum chemical
> > computation package called GAMESS compiled using g77 on 64 bit LInux on
> > IA64. The software terminates abnormally saying "out of range values"
> > seemingly with double precision data. Could anyone please help with the
> > answers to the following questions which I think will help us fix the
> > problem??
> 
> Which version of the compiler, the glibc library and the Linux kernel
> are you using ?
> 
> >         1) Is the g77 port to 64 bit LInux bug free especially with
> >                 double precision data type??
> 
> Well, no software project the size of a compiler can ever be proclaimed
> "bug free", so we aren't claiming that ...
> 
> >         2) Which are the kind of programming constructs which we should be
> >                 looking for in the code(I am new to Fortran) that could
> >                 exhibit machine dependent behaviour??
> 
> I've never used the GAMESS package, but Fortran code in general is not
> "machine dependent".  It could be that some Fortran construct happens to
> trigger a bug in the compiler, but we cannot debug these cases without
> having the exact source code showing the problem.
> 
> >         All help in the form of answers to these queries and anything more
> > which could go a long way towards solving the problem will be highly
> > appreciated.
> 
> Well, I'm sorry to have only added to the questions ...
> 
> Cheers,
> 
> -- 
> Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
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