On Tue, May 10, 2011 at 18:46, Ethan Coon <ecoon at lanl.gov> wrote: > Is there a reason that both .F and .F90 examples are in fixed format, > even though .F90 files should be interpreted as free format? >
I thought that was up to the compiler flags of the user's project. I think the preference is to always write hybrid code in the examples so that free/fixed compiler flags don't have to be sorted out at configure time and so the user can use whatever convention they like. > I guess > the fixed format works for either a fixed/free compiler, but it's ugly. > I wouldn't be surprised if there was a portability issue with free > format .F90 files, so I figured I'd check. > There is a Note in the standard showing how to write free/fixed hybrid Fortran (non-normative, as pointed out by a gcc developer who didn't want to fix the warning, http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42852). -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20110510/dbff8892/attachment.html>
