Nathan, Yes, you can call PetscInitializeFortran() from your Fortran library.
Barry > On Sep 27, 2021, at 11:59 AM, WUKIE, NATHAN A DR-02 USAF AFMC AFRL/RQVC via > petsc-users <petsc-users@mcs.anl.gov> wrote: > > How should petsc initialization be handled for a python application utilizing > petsc4py and a Fortran library application also using petsc? > > The petsc documentation states that PetscInitializeFortran "should be called > soon AFTER the call to PetscInitialize > <https://petsc.org/release/docs/manualpages/Sys/PetscInitialize.html#PetscInitialize>() > if one is using a C main program that calls Fortran routines that in turn > call PETSc routines". Does petsc4py.init(...) call PetscInitializeFortran? Is > it permissible to call PetscInitializeFortran from the fortran library > application itself? Or must PetscInitializeFortran be called from the C main > program? > > Thank you, > Nathan
