[petsc-dev] [EXTERNAL] Re: [pflotran-dev: 2196] Readability with CHKERRQ

Jed Brown jed at jedbrown.org
Mon Jul 21 14:19:21 CDT 2014

"Hammond, Glenn E" <gehammo at sandia.gov> writes:

> I target 80 characters (not sure where the 132 characters came from).  How long is the macro in Fortran?

include/finclude/petscsysdef.h:#define CHKERRQ(n) if (n .ne. 0) call MPI_Abort(PETSC_COMM_WORLD,n,n)

[Cc: petsc-dev]

Since this doesn't provide error tracing, why can't we use the ierr
argument to make the wrapper do this abort instead?

call PetscFunctionWithSeveralArgs(a,b,c,d,PetscErrAbort)

Here, PetscErrAbort would be a special value similar to
PETSC_NULL_OBJECT.  If the wrapper sees it, the wrapper aborts instead
of returning.  Thoughts?
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