[petsc-dev] Forward declarations of types?

[Jed Brown]

On Fri, Feb 15, 2013 at 4:20 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>   BTW petscviewer.h included by petscsys.h always includes hdf5.h (when
> PETSc installed with hdf5) because of hsize_t and hid_t are in the public
> API of PETSc viewer for hdf5.
>
>    We can either have separate petscviewerhdf5.h or we could include just
> H5public.h and H5Ipublic.h in petscviewer.h to get these beasties defined.
>
>    I vote for the first but am fine with the second.
>

I also prefer the first. Very few users of PetscViewer need or want to know
anything about HDF5.
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