[petsc-dev] TS ex11 crashing in parallel

[Adrian Croucher]

On 29/05/14 14:48, Matthew Knepley wrote:
>
>     OK. There are a few other things missing or broken in the Fortran
>     interfaces that I will need at some point- e.g.
>     DMPlexConstructGhostCells(), PetscFVCreate(). At present I'm
>     writing my test code in C to avoid this issue, but will need to
>     get it going in fortran eventually.
>
>
> Okay,  I pushed those fixes to next.

Oh great, thanks very much :-)

Is there a trick to calling PetscFVCreate() from fortran though? The 
test code snippet below errors out when I run it:

program main

! testing PetscFVM from fortran

   implicit none
#include <finclude/petsc.h90>
   PetscFV :: fvm
   PetscErrorCode :: ierr

   call PetscInitialize(PETSC_NULL_CHARACTER,ierr); CHKERRQ(ierr)
   call PetscFVCreate(PETSC_COMM_WORLD, fvm, ierr); CHKERRQ(ierr)
   call PetscFVDestroy(fvm, ierr); CHKERRQ(ierr)
   call PetscFinalize(ierr); CHKERRQ(ierr)

end program main

The error is:

[0]PETSC ERROR: --------------------- Error Message 
--------------------------------------------------------------
[0]PETSC ERROR: Null argument, when expecting valid pointer
[0]PETSC ERROR: Null Pointer: Parameter # 2
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html 
for trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.4.4-5833-g396e404  
GIT Date: 2014-05-28 21:50:40 -0500
[0]PETSC ERROR: ./testfvm on a linux-gnu-c-opt named des108 by acro018 
Thu May 29 15:01:42 2014
[0]PETSC ERROR: Configure options --download-netcdf --download-exodusii 
--with-hdf5-dir=/usr/lib --with-numpy-dir=/usr/lib/pymodules/p
ython2.7/numpy 
--with-scientificpython-dir=/usr/lib/python2.7/dist-packages/scipy 
--with-petsc4py-dir=/usr/local/lib/python2.7/dist-pa
ckages/petsc4py --download-triangle --with-fortran-interfaces=1 
--download-ptscotch --download-chaco --download-ctetgen
[0]PETSC ERROR: #1 PetscFVCreate() line 1356 in 
/home/acro018/software/PETSc/code/src/dm/dt/interface/dtfv.c
--------------------------------------------------------------------------

Cheers, Adrian

-- 
Dr Adrian Croucher
Senior Research Fellow
Department of Engineering Science
University of Auckland, New Zealand
email: a.croucher at auckland.ac.nz
tel: +64 (0)9 923 4611

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