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From: ken@boring.UUCP
Newsgroups: net.lang
Subject: Re: does Fortran 77 allow recursion?
Message-ID: <6600@boring.UUCP>
Date: Mon, 26-Aug-85 12:55:23 EDT
Article-I.D.: boring.6600
Posted: Mon Aug 26 12:55:23 1985
Date-Received: Wed, 28-Aug-85 21:17:25 EDT
References: <103600003@ima.UUCP> <1349@umcp-cs.UUCP>
Reply-To: ken@mcvax.UUCP (Amoeba #117)
Organization: Amoeba Project, CWI, Amsterdam
Lines: 15
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In article <1349@umcp-cs.UUCP> mangoe@umcp-cs.UUCP (Charley Wingate) writes:
>Static allocation is also enforced by the common use of data statements to
>initialize variables which are then changed during calls to the subroutine.
>Every Fortran compiler I've ever seen allocates storage so that the
>changed values persist

Note that nowhere in the Fortran standard is such persistence
sanctioned unless the storage resides in COMMON, which must also be
present in some outine in the current calling chain. Think about
overlays (ick!) and you will see why this restriction exists.

	Ken
-- 
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