Hi Barry, I believe is fine to move forward with more modern Fortran. All compilers support at least Fortran 90. Best, Pablo.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Barry Smith Sent: Friday, August 26, 2016 9:54 PM To: [email protected]; PETSc users list Subject: [petsc-announce] Question regarding updating PETSc Fortran examples to embrace post F77 constructs PETSc users, We've always been very conservative in PETSc to keep almost all our Fortran examples in a format that works with classic FORTRAN 77 constructs: fixed line format, (72 character limit) and no use of ; to separate operations on the same line, etc. Is it time to forgo these constructs and use more modern Fortran conventions in all our examples? Any feedback is appreciated Barry Note: it would continue to be possible to use PETSc in the FORTRAN 77 style, this is just a question about updating the examples.
