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 >> >
