[petsc-users] PetscOptionsGetString Not Finding Option

[Matthew Knepley]

On Sat, Oct 31, 2015 at 7:52 PM, Jared Crean <jcrean01 at gmail.com> wrote:

> Hello,
>     I am trying to use PetscOptionsGetString to retrieve the value of an
> option in the options database, but the value returned in the last argument
> indicates the option was not found.   In the attached code (a modified
> version of ksp example 2), the string "-ksp_pc_side" is passed in as the
> argument name. If I run the code as
>
>     ./jc2 -pc_type ilu -ksp_pc_side right
>
>     I get the output:
>
>     option -ksp_pc_side was found
>

You gave the options and the program says it was found. What is the problem
here?

   Matt


>     from line 71 of the file.  Petsc does not complain of unused options
> when the program finishes.  Am I using this function incorrectly?
>
>     Jared Crean
>



-- 
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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20151103/04d22058/attachment.html>