On Nov 14, 2011, at 2:20 PM, Matthew Knepley wrote: > On Mon, Nov 14, 2011 at 9:16 PM, Cody Permann <codypermann at gmail.com> > wrote: > How about a function that would fill in a char *[] with the options used or a > function that would return a boolean for a single option indicating whether > it was used or not? Basically we just need a public way to get at the data > in PetscOptionTable::used. > > I don't like the whole table of options used, and we definitely need > PetscOptionsOptionUsed(). What about providing > the number of options, and an array of all option names?
That will work fine. Anything is better than what we have now ;) > > Matt > > Thanks, > Cody > > On Nov 14, 2011, at 12:41 PM, Barry Smith wrote: > > > > > Cody, > > > > What would you like the API to look like? > > > > Barry > > > > > > On Nov 14, 2011, at 1:39 PM, Cody Permann wrote: > > > >> There doesn't appear to be an API in PETSc for getting back the command > >> line options "used" or "unused" for a simulation. Yes I am aware that the > >> options unused can be printed but there doesn't appear to be a mechanism > >> for returning them back through a function call. I'd like to add an > >> option to MOOSE that would work like PETSc's "-options_left" CLI argument, > >> but in order to do so I need to combine the options recognized for both > >> libraries to report the global unused list. Right now both MOOSE and > >> PETSc have full access to the raw ARGV vector and each library recognizes > >> it's own options and ignores the rest. > >> > >> I could strip out the options from ARGV before passing it to PETSc in > >> conjunction with "-options_left" but that doesn't give me quite as much > >> flexibility as I'd like. It looks like there are about two dozen or so > >> PETSc related options functions in the API but none of them return unused > >> options, or otherwise allow me to query whether any particular option was > >> recognized or not. Is this assumption correct? > >> > >> Thanks, > >> Cody > > > > > > > -- > 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/20111114/efb182b8/attachment.htm>
