On Mon, Mar 16, 2020 at 10:04 PM Satish Balay <[email protected]> wrote:
> Wrt fortran I/O - you can try adding calls to flush() after that. > Similarly C has fflush() > This is in zmatnestf.c. So C code that is the fortran stubs. Custom in this case. > > Satish > > > On Mon, 16 Mar 2020, Mark Adams wrote: > > > I am trying to debug an application code that works with v3.7 but fails > > with master. The code works for "normal" solvers but for a solver that > uses > > FieldSplit it fails. It looks like vectors are not getting created from > > MatCreateVecs with a matrix that is a MatNest (I can't run the code). > > > > I have put print statements in the interface files to try to see what is > > going on but the print statements seem to disappear somehow. (I added the > > same print statements in my installation of v3.7 to see what is > different) > > I was using PetscPrint and then found and example of a Fortran PetscInfo > > and switched to that. I stepped through the code with DDT and see the > print > > statements but nothing goes to the output. I did this DDT stuff with > > ex73f90t, which has a MatCreateNest. > > > > I am completely baffled. Does anyone have any ideas? > > > > Thanks, > > Mark > > > >
