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Marco,<br>
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<div class="PlainText"> We were missing a Fortran stub in the code. You can either apply the attached patch or use the git branch barry/add-pcfieldsplit-getis/maint for the missing functionality. The fix will also be in the next maintenance release of petsc-3.10<br>
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Please let us know if there are any difficulties.<br>
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Barry<br>
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> On Feb 6, 2019, at 9:56 AM, Marco Tiberga via petsc-users <petsc-users@mcs.anl.gov> wrote:<br>
> <br>
> Dear PETSc developers,<br>
> <br>
> I am developing a coupled solver for the incompressible Navier-Stokes equations, based on the PCFIELDSPLIT implemented in PETSc (I’m using version 3.10.1).<br>
> My code is written in Fortran.<br>
> <br>
> I tried to follow as much as possible this example, but I am getting weird errors. I think the problem is in the call to PCFieldSplitSetIS.<br>
> To debug the code, for each field I wanted to call PCFieldSplitGetIS (after setting it) and print the IS with ISView. However, the compiler says the reference to PCFieldSplitGetIS is undefined.<br>
> <br>
> So, I was wondering whether PCFieldSplitGetIS and PCFieldSplitSetIS are actually available for Fortran.<br>
> I tried to had a look at petsc-3.10.1/src/ksp/f90-mod/ftn-auto-interfaces/petscpc.h90, but I cannot find the interfaces for these functions.<br>
> <br>
> Thanks for the clarification.<br>
> <br>
> Best regards,<br>
> <br>
> Marco Tiberga<br>
> PhD candidate<br>
> Delft University of Technology<br>
> Faculty of Applied Sciences<br>
> Radiation Science & Technology Department<br>
> Mekelweg 15, 2629 JB Delft, The Netherlands<br>
> E-Mail: m.tiberga@tudelft.nl<br>
> Website: <a href="http://www.nera.rst.tudelft.nl/">http://www.nera.rst.tudelft.nl/</a><br>
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