[COFF] How much Fortran?

Dave Horsfall dave at horsfall.org
Tue Feb 4 05:50:52 AEST 2020


On Mon, 3 Feb 2020, Clem Cole wrote:

> Frankly, I would have expected the folks at this(these) NASA 
> contractor(s) to have used assembler in those days under the guise of 
> "efficiency;" but Fortran-IV would definitely have been popular at many 
> contractors that would have been doing the work.  The article mentions 
> Fortran-V which I find interesting because I did not believe it was 
> really much of a thing (i.e. it was never standardized).  Basically, as 
> I understood it from my Fortran peeps at DEC/Intel, F-V was the Waterloo 
> extensions (a.k.a. WatFor) that got picked up by most people and in 
> particular, IBM added to the FORTRAN/G or H compiler for the S/360.  DEC 
> had gone in a different direction still with VMS FORTRAN, although I 
> believe they had picked up the things like WRITE(*) from Waterloo.  

And WATFIV as well, as I recall from my student days; it was closer to 
FORTRAN than WATFOR was (both were "student" compilers e.g. better error 
messages but not the best of generated code).

-- Dave


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