[petsc-dev] Stricter header includes

Matthew Knepley knepley at gmail.com
Tue Feb 12 16:37:29 CST 2013


On Tue, Feb 12, 2013 at 5:34 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>    Certain PETSc "functions" are documented as being "Developer" level.
> Does this mean they will be in a "developer" API as opposed to the "user"
> API (for example in xxximpl.h instead of petscxxx.h)?  Or will there not be
> a "developer" API at all and xxximpl.h merely provides access to the direct
> data structure.
>

I thought Developer meant "we are still figuring this out", or "you can
really hurt yourself here", not "this is secret".

   Matt


> On Feb 12, 2013, at 4:24 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>
> > The PetscObjectState* and PetscObjectComposedData* routines are in
> petscimpl, but documented as a public API. It would be nice to turn all
> these macros into functions (which will change their signature).
>
>    I'm a big fan of turning CPP macros into functions so would be happy to
> see this happen.
>
>    Barry
>
> > I'm dubious of any claims that these are called in a context where a
> static function call would be a performance limitation.
> >
> >
> > On Tue, Feb 12, 2013 at 9:39 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> > petscsys.h no longer includes petscimpl.h (including the _p_PetscObject
> definition) and petscvec.h no longer includes vecimpl.h (including _p_Vec).
> Users that need direct access can include the private headers, but we
> encourage you to explain your use case here so that we can provide a
> suitable public API.
> >
> > Merged here:
> >
> >
> https://bitbucket.org/petsc/petsc-dev/commits/5c59734726c7c41f493a5f5b9303cfab5c66ae21
> >
>
>


-- 
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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