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 >
