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From: wsb@boise.Eng.Sun.COM (Walt Brainerd)
Newsgroups: comp.lang.fortran
Subject: Re: Cheating on the types
Summary: Cheaters sometimes get caught
Message-ID: <10146@exodus.Eng.Sun.COM>
Date: 20 Mar 91 21:24:24 GMT
References: <1991Mar20.195732.15376@appmag.com>
Sender: news@exodus.Eng.Sun.COM
Lines: 28

In article <1991Mar20.195732.15376@appmag.com>, pa@appmag.com (Pierre Asselin) writes:
> This simplified fragment violates the standard by passing reals to a
> routine that expects integers.
> 
>       real rin, rout
>       call icopy(rin, rout)
> 
        . . .
>       subroutine icopy(iin, iout)
>       integer iin, iout
> 
> Seems fairly innocuous, though.  Q:  are there implementations
> where it would fail ?
> 

Yes.

The Burroughs linkers on their old large systems B6700-B7900, etc.
used to catch this.  I don't know what they do now about such
things, but I think the trend is to do more checking of this
sort along with global oprimization, so I would not recommend
doing this (or anything else nonstandard) unless you really
need to.
--
Walt Brainerd        Sun Microsystems, Inc.
wsb@eng.sun.com      MS MTV 5-40
                     Mountain View, CA 94043
                     415/336-5991