fixed
> On Dec 12, 2023, at 11:17 PM, Sanjay Govindjee <s...@berkeley.edu> wrote: > > did you mean to write > type (userctx) ctx > in this example? > > subroutine func(snes, x, f, ctx, ierr) > SNES snes > Vec x,f > type (userctx) user > PetscErrorCode ierr > ... > > external func > SNESSetFunction(snes, r, func, ctx, ierr) > SNES snes > Vec r > PetscErrorCode ierr > type (userctx) user > > > > On Tue, Dec 12, 2023 at 7:10 PM Barry Smith <bsm...@petsc.dev > <mailto:bsm...@petsc.dev>> wrote: >> >> See >> https://petsc.gitlab.io/-/petsc/-/jobs/5739238224/artifacts/public/html/manual/fortran.html#ch-fortran >> and https://gitlab.com/petsc/petsc/-/merge_requests/7114 >> >> >> >>> On Dec 12, 2023, at 3:22 PM, Palmer, Bruce J via petsc-users >>> <petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov>> wrote: >>> >>> What do you do with something like a void pointer? I’m looking at the >>> TaoSetObjectiveAndGradient function and it wants to pass a void *ctx >>> pointer. You can set this to null, but apparently you have to specify the >>> type. What type should I use? Is there something called PETSC_NULL_VOID or >>> PETSC_NULL_CONTEXT or do I use something else? >>> >>> From: Matthew Knepley <knep...@gmail.com <mailto:knep...@gmail.com>> >>> Date: Tuesday, December 12, 2023 at 8:33 AM >>> To: Palmer, Bruce J <bruce.pal...@pnnl.gov <mailto:bruce.pal...@pnnl.gov>> >>> Cc: petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov> >>> <petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov>> >>> Subject: Re: [petsc-users] Fortran Interface >>> >>> Check twice before you click! This email originated from outside PNNL. >>> >>> On Tue, Dec 12, 2023 at 11:27 AM Palmer, Bruce J via petsc-users >>> <petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov>> wrote: >>> Does documentation for the PETSc fortran interface still exist? I looked at >>> the web pages for 3.20 (petsc.org/release <http://petsc.org/release>) but >>> if you go under the tab C/Fortran API, only descriptions for the C >>> interface are there. >>> >>> I think after the most recent changes, the interface was supposed to be >>> very close to C, so we just document the differences on specific pages, and >>> put the general stuff here: >>> >>> https://petsc.org/release/manual/fortran/ >>> >>> Thanks, >>> >>> Matt >>> >>> Bruce Palmer >>> >>> >>> -- >>> 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 >>> >>> https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
