Satish Balay <[email protected]> writes: > On Thu, 7 Nov 2013, Blaise A Bourdin wrote: > >> I haven’t use fixed-form in a long time, but isn’t free-form a superset of >> fixed-form? > > In essence all current petsc code complies with this. > > [i.e its syntactically corect both free form and fixed form]
Current PETSc requires polyglot Fortran, written in a peculiar intersection of the two dialects. >> Are there situation where a fixed form code cannot be compiled as free form >> source code? > > Not sure if its the fixed/free form issue - [its perhaps f77 vs f90] - some > external packages use 'C' for comment - which some f90 compilers barf on. c = 1 is a valid statement in free-form, but a comment in fixed-form.
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