[petsc-users] fortran NULL for VecScatterCreate

[Panruo Wu]

Thank you Matt.  I think it's worth adding
to the petsc manual, along with the existing
PETSC_NULL_{INTEGER, CHARACTER, DOUBLE
SCALAR}.

Panruo

On Sun, Aug 19, 2012 at 8:24 AM, Matthew Knepley <knepley at gmail.com> wrote:

> On Sun, Aug 19, 2012 at 9:23 AM, Panruo Wu <pwu at mymail.mines.edu> wrote:
>
>>
>> Hello PETSC developers and users,
>>
>> In fortran the general PETSC_NULL is not valid.  How can I
>> pass a null argument iy in function
>>
>> VecScatterCreate(Vec xin,IS ix,Vec yin,IS iy,VecScatter *newctx)
>>
>> ?
>>
>> Thanks and regards,
>>
>
> PETSC_NULL_OBJECT for a Petsc object
>
>    Matt
>
>
>>  Panruo Wu
>>
>>
>
>
> --
> 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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