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Path: utzoo!mnetor!uunet!husc6!cmcl2!beta!a!jkw
From: jkw@a.UUCP (Jay Wooten)
Newsgroups: comp.lang.fortran
Subject: Re: Compiler confusion between functions and subroutines.
Message-ID: <306@a.UUCP>
Date: Fri, 2-Oct-87 16:26:08 EDT
Article-I.D.: a.306
Posted: Fri Oct  2 16:26:08 1987
Date-Received: Tue, 6-Oct-87 05:42:10 EDT
Organization: Los Alamos Natl Lab, Los Alamos, N.M.
Lines: 90
Keywords: Microsoft FORTRAN for Mac., UTAH FORTRAN
Summary: other systems

In article <5288@jade.BERKELEY.EDU>, lagache@violet.berkeley.edu (Edouard Lagache) writes:
> 
> 
>           Hello FORTRAN hackers everywhere!
> 
>                Right on the heals of my recent report of "interesting"
>           parsing by 'f77', I have a lulu for you.  Yesterday a student
>           came to me with a very interesting program which had the same
>           character as the following:
> 
>                 INTEGER I,J,SQUARE
>                 I=4
>                 CALL SQUARE(I,J)
>                 PRINT *,I,J
>                 STOP
>                 END
> 
>                 INTEGER FUNCTION SQUARE(I,J)
>                 INTEGER I,J
>                 J = I**2
>                 RETURN
>                 END
> 
>                Impossible?  Worse than that, it worked!  The fellow
>           said that he was using version 2 of MS-FORTRAN for the Mac.
>           A quick check of the FORTRANs that I could look at gives the
>           following tally:
> 
>                UTAH FORTRAN accepts the code and it runs "correctly"
> 
>                MS-FORTRAN 3.X for PC and f77 finds the error.
> 
>                I wonder how many compilers out there are guilty of this
>           affliction?
> 
> 
>                                         Edouard Lagache
>                                         School of Education
>                                         U.C. Berkeley
>                                         lagache@violet.berkeley.edu


  BSD 4.3 : "Declaration error for square: incompatable type declarations"

  VMS 4.5 : Accepts the code and it runs "correctly"










































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