Wrt fortran I/O - you can try adding calls to flush() after that. Similarly C has fflush()
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 >
