[petsc-users] SNESVISetComputeVariableBounds() is not available in Fortran interface

[y.hu at mpie.de]

Looks good. Thx! I'll do the corresponding example ex9.c in fortran and let you know how it works.
Best regards,
Yi
________________________________
Von: Barry Smith <bsmith at petsc.dev>
Gesendet: Samstag, 29. Juni 2024 16:12
An: Yi Hu <y.hu at mpie.de>
Cc: petsc-users <petsc-users at mcs.anl.gov>
Betreff: Re: [petsc-users] SNESVISetComputeVariableBounds() is not available in Fortran interface


   Yi,

   I have made a start of it in the branch barry/2024-06-29/add-fortran-snesvisetcomputevariablebounds  but have not tested it.

   You should be able to do

   git fetch
   git checkout barry/2024-06-29/add-fortran-snesvisetcomputevariablebounds
  make all

   Please let me know if you have any difficulties

   Barry

On Jun 29, 2024, at 4:28 AM, y.hu at mpie.de wrote:

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Dear PETSc team,

I find SNES variational inequality capability (e.g. src/snes/tutorials/ex9.c example) very useful for my current problem. Since I am using fortran API of petsc, I explore a little bit about this functionality and it sems not there for fortran (a simple SNESVISetVariableBounds() is not enough, because it only handles constant VI and my VI changes during each SNESSolve call). Am I correct?

If I would like to implement the interface myself, is it straightforward? Could you give me some advice or reference code on it?

I have some knowledge in MatCreateShell() fortran interface, I saw the fortran API was created in a folder ftn-custom/ and writing such interface seems not that hard, but seems a lot of many manual definitions of other related APIs.

Thanks for your help.

Best regards,
Yi


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Max-Planck-Institut für Eisenforschung GmbH
Max-Planck-Straße 1
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Handelsregister B 2533 
Amtsgericht Düsseldorf
 
Geschäftsführung
Prof. Dr. Gerhard Dehm
Prof. Dr. Jörg Neugebauer
Prof. Dr. Dierk Raabe
Dr. Kai de Weldige
 
Ust.-Id.-Nr.: DE 11 93 58 514 
Steuernummer: 105 5891 1000


Please consider that invitations and e-mails of our institute are 
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