Dear Adrian, I looked into the issue of passing in derived types with type bound procedures again and it seems that casting to C pointers is a suitable alternative.
To investigate that, I modified ex5f.F90 from src/snes/examples/tutorials in a branch of my PETSc fork: https://bitbucket.org/m_diehl/petsc/src/5172a911a5cc8a6228f00f2435cc5cfe6ec569d9/?at=m.diehl%2FSNESSetConvergenceTestTypeFortran Could you please send me your original minimal working example again? I've deleted it and would like to test the new approach there also. many thanks Martin -- ----------------------------------------------- Max-Planck-Institut für Eisenforschung GmbH Max-Planck-Straße 1 D-40237 Düsseldorf Handelsregister B 2533 Amtsgericht Düsseldorf Geschäftsführung Prof. Dr. Gerhard Dehm Prof. Dr. Jörg Neugebauer Prof. Dr. Dierk Raabe Dr. Kai de Weldige Ust.-Id.-Nr.: DE 11 93 58 514 Steuernummer: 105 5891 1000 ------------------------------------------------- Please consider that invitations and e-mails of our institute are only valid if they end with …@mpie.de. If you are not sure of the validity please contact r...@mpie.de Bitte beachten Sie, dass Einladungen zu Veranstaltungen und E-Mails aus unserem Haus nur mit der Endung …@mpie.de gültig sind. In Zweifelsfällen wenden Sie sich bitte an r...@mpie.de
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