[Nek5000-users] Error in generalev

[nek5000-users at lists.mcs.anl.gov]

Hi Josh,

Have you tried to compile with trapping floating point exception?

E.g., the compiler flag for pgf77 is

-Ktrap=fp

Then you may get a better idea where Inf & Nan first appear...

Best,
Aleks



On Wed, 1 Jun 2011, nek5000-users at lists.mcs.anl.gov wrote:

> Hello Neks,
>
> I've recently come across an error I haven't seen before.    It occurs
> in the routine "generalev" at the beginning of my run.
>
> It looks like the matrix "a" and "b" being fed to the routine have an
> Infinity or NaN at position (0,0).  Are there any ideas of what could
> cause this type of error?
>
> I have attached the logfile to this email.
>
> Thanks,
>
> -- 
> Josh Camp
>
> "All that is necessary for the triumph of evil is that good men do
> nothing" -- Edmund Burke
>