Damn it! Considering that fixed form was declared obsolete 10 years ago, and if this is the only incompatibility, is it too much to ask that fortran people replace a "C" in first col with a "!" (which is also compatible with fixed form)?
Blaise On Nov 7, 2013, at 8:42 AM, Jed Brown <jedbr...@mcs.anl.gov> wrote: > Blaise A Bourdin <bour...@lsu.edu> writes: > >> I haven’t use fixed-form in a long time, but isn’t free-form a >> superset of fixed-form? Are there situation where a fixed form code >> cannot be compiled as free form source code? > > $ cat foo.f > program foo > c a silly comment > end program > $ gfortran foo.f > $ gfortran -ffree-form foo.f > foo.f:2: > > c a silly comment > 1 > Error: Unclassifiable statement at (1) -- Department of Mathematics and Center for Computation & Technology Louisiana State University, Baton Rouge, LA 70803, USA Tel. +1 (225) 578 1612, Fax +1 (225) 578 4276 http://www.math.lsu.edu/~bourdin