For example check PCBJacobiGetSubKSP in src/ksp/pc/impls/bjacobi/ftn-custom/zbjacobif.c
[and the fortran note in man page] PCASMGetLocalSubdomains() looks similar [in src/ksp/pc/impls/asm/ftn-custom/zasmf.c] Satish On Wed, 17 Feb 2021, Blaise A Bourdin wrote: > Hi, > > I am porting src/dm/impls/plex/tests/ex26.c to fortran90 but am having a hard > time figuring out how to write the fortran binding for DMCreateSuperDM. > Can anybody help? > > Regards, > Blaise >