John Backus passes away...
cclist at sydex.com
Wed Mar 21 16:46:22 CDT 2007
On 21 Mar 2007 at 15:09, woodelf wrote:
> But then a ISZ style loop seems to map to Fortran better.
> Algol loops seem to imply a AC style testing. Also Algol
> seems to require some sort of index register, something
> many machines do not have.Algol for the PDP-8 gets around
> this as you can not comnile subroutines.
Or a BXLE or IBXLE or any number of other implementations on various
mainframes. I believe that most FORTRAN IV implementations
guaranteed that the DO-loop would be executed at least once,
regardless of the intial values, something not shared with Algol.
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