I can actually use some command line arguments. My line arguments actually read
-snes_mf -green_snes_monitor and the first -snes_mf argument (for the main solver snes) is correctly taken into account. I will try what Barry suggested, I'll tell you if I find the reason. Best regards, thanks for your comments Timothée Le mer. 15 janv. 2020 à 18:56, Matthew Knepley <[email protected]> a écrit : > I think that Mark is suggesting that no command line arguments are getting > in. > > Timothee, > > Can you use any command line arguments? > > Thanks, > > Matt > > On Wed, Jan 15, 2020 at 12:04 PM Smith, Barry F. via petsc-users < > [email protected]> wrote: > >> >> Should still work. Run in the debugger and put a break point in >> snessetoptionsprefix_ and see what it is trying to do >> >> Barry >> >> >> > On Jan 15, 2020, at 8:58 AM, Timothée Nicolas < >> [email protected]> wrote: >> > >> > Hi, thanks for your answer, >> > >> > I'm using Petsc version 3.10.4 >> > >> > Timothée >> > >> > Le mer. 15 janv. 2020 à 14:59, Mark Adams <[email protected]> a écrit : >> > I'm guessing a Fortran issue. What version of PETSc are you using? >> > >> > On Wed, Jan 15, 2020 at 8:36 AM Timothée Nicolas < >> [email protected]> wrote: >> > Dear PETSc users, >> > >> > I am confused by the usage of SNESSetOptionsPrefix. I understand this >> is required if you have for example different SNES in your program and want >> to set different options for them. >> > So for my second snes I wrote >> > >> > call SNESCreate(MPI_COMM_SELF,snes,ierr) >> > call SNESSetOptionsPrefix(snes,'green_',ierr) >> > call SNESSetFromOptions(snes,ierr) >> > >> > etc. >> > >> > Then when launching the program I wanted to monitor that snes so I >> launched it with the option -green_snes_monitor instead of -snes_monitor. >> But I keep getting the message >> > >> > WARNING! There are options you set that were not used! >> > WARNING! could be spelling mistake, etc! >> > Option left: name:-green_snes_monitor (no value) >> > >> > What do I miss here? >> > >> > Best regards >> > >> > Timothée NICOLAS >> >> > > -- > 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/> >
