changes to plapack usage in petsc-dev

[Barry Smith]

On Mar 3, 2008, at 11:37 PM, Yujie wrote:

> Dear Barry:
>
> Did you test them? I want to use this function. However, I am  
> wondering whether there is some bugs in Petsc-dev.

   There is always the possibility of bugs in PETSc (or any software),  
if you have information about a
possible bug you have to send more than "is there some bugs", I cannot  
use "is there some bugs" to track
down the problem. Please send full output on what goes wrong.

   I ran our three plapack test problems src/mat/examples/tests  
ex103.c ex107.c and ex115.c to test my
changes.

> In addition, is it easy to convert the version from 2.3.3-p8 to  
> petsc-dev? thanks a lot.

   The file src/docs/website/documentation/changes/dev.html shows the  
differences in petsc-dev from
the last release. In general they are small and code that uses  
petsc-2.3.3 can easily be changed to
use petsc-dev.

    Barry

>
>
> Regards,
> Yujie
>
> On 3/4/08, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>    petsc-dev users,
>
>     I have changed the way PLAPACK is used in petsc-dev. There is no
> longer
> a MATPLAPACK that needs to be set, rather so long as PETS was config/
> configure.py
> using --download-plapack all you need do is use the MATMPIDENSE  
> matrices
> and PLAPACK will automatically be used for the solvers.
>
>     Barry
>
> You should rm the externalpackages/plapack* routine before config/
> configure.py the latest
> Petsc-dev
>
>
>

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