[petsc-dev] Fortran equivalent + separate output with output_file

[Pierre Jolivet]

Sorry, this wasn’t very clear. Here is an actual example.
Two files: src/ksp/ksp/examples/tutorials/output/ex76_geneo_pc_hpddm_levels_1_eps_nev-*
One test: https://gitlab.com/petsc/petsc/blob/e3a9cad86c45dfe6b153c9deb31f048d223f14ce/src/ksp/ksp/examples/tutorials/ex76f.F90#L120-125 <https://gitlab.com/petsc/petsc/blob/e3a9cad86c45dfe6b153c9deb31f048d223f14ce/src/ksp/ksp/examples/tutorials/ex76f.F90#L120-125>
How not to hardwire -pc_hpddm_levels_1_eps_nev 5 in the Fortran test and use, as in C, -pc_hpddm_levels_1_eps_nev {{5 15}separate output}, while still using the C output files?

Thanks,
Pierre

> On 13 Jan 2020, at 5:42 PM, Scott Kruger <kruger at txcorp.com> wrote:
> 
> 
> On 1/13/20 8:32 AM, Pierre Jolivet wrote:
>> Hello,
>> This is actually two separate questions, sorry.
>> 1) I’m looking for the Fortran equivalent of the following, but I couldn’t get any help looking at the sources.
>>   ierr = PetscOptionsBegin(PETSC_COMM_WORLD,"","","");CHKERRQ(ierr);
>>   ierr = PetscOptionsFList("-mat_type","Matrix type","MatSetType",MatList,deft,type,256,&flg);CHKERRQ(ierr);
>>   ierr = PetscOptionsEnd();CHKERRQ(ierr);
>> 2) I have Fortran tests which share the same outputs as my C tests. I want to use the same output_file, but my test has a separate output parameter. Is there someway to generate output_file dynamically?
>> !   test:
>> !      suffix: foo
>> !      output_file: output/ex76_foo_bar-%D.out <— how to?
>> !      nsize: 4
>> !      args: -bar {{5 15}separate output}
>> If it’s not possible in Fortran, but possible in C, I can switch things around of course.
> 
> I don't understand the goal here.  Why don't you always know the name?
> 
> Scott
> 
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