Re: ARPACK vs (BLAS + LAPACK) - build question

[Sergei Steshenko]

--- On Thu, 11/19/09, Jaroslav Hajek <address@hidden> wrote:

> From: Jaroslav Hajek <address@hidden>
> Subject: Re: ARPACK vs (BLAS + LAPACK) - build question
> To: "Sergei Steshenko" <address@hidden>
> Cc: address@hidden
> Date: Thursday, November 19, 2009, 2:25 AM
> 
> 
> On Mon, Nov 16, 2009 at 2:10 AM,
> Sergei Steshenko <address@hidden>
> wrote:
> 
> Hello All,
> 
> 
> 
> ARPACK README file says:
> 
> 
> 
> "
> 
>    The makefile is set up to build a self-contained
> library which includes
> 
>    the needed BLAS 1/2/3 and LAPACK routines.  If you
> already have the
> 
>    BLAS and LAPACK libraries installed on your system you
> might want to
> 
>    change the definition of DIRS as indicated in the
> ARmake.inc file.
> 
> ".
> 
> 
> 
> So, when building ARPACK for Octave how do you guys build
> it - using
> 
> the included into ARPACK BLAS + LAPACK routines or using
> independently
> 
> built BLAS + LAPACK ?
> 
> 
> 
> I build BLAS + LAPACK regardless; disk space is not an
> issue, i.e. if
> 
> the chances athat ARPACK will function more correctly with
> included into
> 
> the tarball BLAS + LAPACK routines are better, so be it.
> 
> 
> 
> Thanks,
> 
>   Sergei.
> 
> 
> I link ARPACK against external LAPACK 3 and BLAS without
> problems. In fact I had problems when I built ARPACK with
> its own LAPACK 2 subset.
> 
> hth
> 
> -- 
> RNDr. Jaroslav Hajek
> 
> computing expert & GNU Octave developer
> Aeronautical Research and Test Institute (VZLU)
> Prague, Czech Republic
> url: www.highegg.matfyz.cz
> 
> 

Thanks, I'll follow your advice.

Regards,
  Sergei.