On Wed, Apr 29, 2020 at 01:37:25PM +0000, Joao Martins Correia wrote: > Dear Gcc Helpers > > I recovered an old scientific program code written in Fortran IV. > Still using hollerith assignments - which I think I understand, I can compile it with the many warnings > regarding essentially 3 things > > The program starts running, properly, reads input files and execute some routines, but then gets stuck with strange huge > numbers that have no apparent reason to be there. > The problem is in fact that there are no assignment of variable types and there are many commons with different variable names > that contribute to the confusion when debugging. Setting “implicit none” creates too many errors, since sometimes is not easy > to assign the type of the variable on a code with 30 routines and more than 5000 lines. It is many years since I did any FORTRAN programming, but I vaguely remember that implicit none could be used on a subroutine by subroutine basis (though that is probably compiler-dependent). If this works for you, it may make your job easier. I do not like implicit ... Bob -- "We are in the beginning of a mass extinction, and all you can talk about is money and fairy tales of eternal economic growth." - Greta Thunberg
