[petsc-users] missing types in petscsysdef.h

[Matthew Knepley]

On Tue, Feb 7, 2017 at 5:12 AM, Lukas van de Wiel <
lukas.drinkt.thee at gmail.com> wrote:

> Dear fellow PETSc users,
>
> I have been using PETSc for several years now, but I notice that after
> every upgrade I have to make changes to include/finclude/petscsysdef.h
> to get my Fortran code to work with it (or, in 3.7.5
> include/petsc/finclude/petscsysdef.h)
>

We will definitely fix this. However, the entire Fortran interface has been
rewritten to make it simpler,
and allow using all the features os F90. Please see the bottom of
http://www.mcs.anl.gov/petsc/documentation/changes/dev.html

Would you be able to try out the master branch of PETSc development
(instructions here http://www.mcs.anl.gov/petsc/developers/index.html)?
This would let us know if the bug is still there.

  Thanks,

     Matt


> I have been running 3.4.2 for a few years, and PetscReal and
> PetscScalar were never defined, apparently because no
> PETSC_USE_REAL_[TYPE] was never defined.
>
> In 3.7.5 I have the same problem, and it also affects
> PetscFortranComplex which also depends on PETSC_USE_REAL_[TYPE].
>
> However, my configure.log nicely shows:
>
> #ifndef PETSC_USE_REAL_DOUBLE
> #define PETSC_USE_REAL_DOUBLE 1
> #endif
>
> It seems that changing petscsysdef.h is not the proper solution. Is
> there a more elegant way for me to fix this?
>
> Thanks for your expertise,
> Lukas
>



-- 
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
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