[petsc-users] Fortran: undefined reference to petscsfdistributesection

[Matthew Knepley]

On Mon, Dec 3, 2018 at 2:27 PM Danyang Su <danyang.su at gmail.com> wrote:

> Hi Matt,
>
> Thanks.
>
> BTW: DmPlexGetVertexNumbering now can work using the latest develop
> version. But the index is not in natural ordering when DMSetUseNatural is
> called. That's why I want to use PetscSFDistributeSection to check if I
> miss anything in the code.
>
> Can you explain that a little more? Maybe you can just push forward what
you want using the migrationSF.

  Thanks,

     Matt

> Regards,
>
> Danyang
> On 2018-12-03 5:22 a.m., Matthew Knepley wrote:
>
> I need to write a custom Fortran stub for this one. I will get it done as
> soon as possible.
>
>   Thanks,
>
>     Matt
>
> On Sat, Dec 1, 2018 at 7:16 PM Danyang Su via petsc-users <
> petsc-users at mcs.anl.gov> wrote:
>
>> Hi All,
>>
>> I got a simple compilation error when use PetscSFDistributeSection in
>> Fortran. It looks like the required head files are included and the
>> parameters are correctly defined. However, when compile the code, I got
>> error undefined reference to `petscsfdistributesection_'. The code is
>> shown below. Did I miss anything here?
>>
>> #include <petsc/finclude/petscsys.h>
>> #include <petsc/finclude/petscvec.h>
>> #include <petsc/finclude/petscdm.h>
>> #include <petsc/finclude/petscdmplex.h>
>>        use petscsys
>>        use petscvec
>>        use petscdm
>>        use petscdmplex
>>
>>        implicit none
>>
>>        PetscSection ::  section, section_seq
>>        PetscSF :: migrationsf_inv, sf_natural
>>        Vec :: vec_global, vec_natural
>>        PetscErrorCode :: ierr
>>
>>        ...
>>
>>        call PetscSFDistributeSection(migrationsf_inv,section,           &
>> PETSC_NULL_INTEGER,section_seq,ierr)
>>        CHKERRQ(ierr)
>>
>>
>>            call PetscSFDistributeSection(migrationsf_inv,section,       &
>>                        PETSC_NULL_INTEGER,section_seq,ierr)
>>            CHKERRQ(ierr)
>>
>> Thanks,
>>
>> Danyang
>>
>>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
>

-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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