[petsc-users] Parsing user-defined variables using YAML

[sthavishtha bhopalam]

Thank you Barry and Blaise for the suggestions.

-------------------------------------------
Regards

Sthavishtha Bhopalam Rajakumar






On Tue, Dec 22, 2020 at 3:42 AM Barry Smith <bsmith at petsc.dev> wrote:

>
>   You can make up your own options and provide them in YAML format then
> query for them in your PETSc code using the routines Blaise pointed out.
> There is no restriction that the arguments need to be only pre-defined
> PETSc options.
>
>   Barry
>
>   As documented the YAML format supported is very simple.
>
>
> > On Dec 20, 2020, at 10:56 AM, Blaise A Bourdin <bourdin at lsu.edu> wrote:
> >
> > Have a look at the options related functions in the system section of
> the man pages:
> https://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/index.html
> > You can get options from the petsc option database and pass them to your
> user code.
> > You can also use petscBag to pass a C struct or a fortran derived type
> to your user code.
> >
> > Regards,
> > Blaise
> >
> >> On Dec 20, 2020, at 10:03 AM, sthavishtha bhopalam <
> sthavishthabr at gmail.com> wrote:
> >>
> >> Hello PETSc users!
> >>
> >> I wanted to know how one could parse user-defined variables (not the
> inbuilt PETSc options) in a PETSc code using YAML? Any suggestions? To my
> knowledge, the existing YAML parser in PETSc solely reads the PETSc options
> like snes, ksp, pc etc. as described here (
> https://lists.mcs.anl.gov/mailman/htdig/petsc-users/2020-August/042074.html)
> but is incapable to read user-defined variables, which may be specific to a
> code.
> >>
> >> Thanks
> >> -------------------------------------------
> >> Regards
> >>
> >> Sthavishtha
> >>
> >>
> >>
> >>
> >
> > --
> > A.K. & Shirley Barton Professor of  Mathematics
> > Adjunct Professor of Mechanical Engineering
> > Adjunct of the Center for Computation & Technology
> > Louisiana State University, Lockett Hall Room 344, Baton Rouge, LA
> 70803, USA
> > Tel. +1 (225) 578 1612, Fax  +1 (225) 578 4276 Web
> http://www.math.lsu.edu/~bourdin
> >
>
>
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