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Date:	Sun, 15 Feb 2004 15:03:29 PST8
From:	"Lynn H. Maxson" <lmaxson@pacbell.net >
Reply-To:	scoug-programming@scoug.com
To:	< "scoug-programming@scoug.com" > scoug-programming@scoug.com >
Subject:	SCOUG-Programming: PL/I most important statement (was: call(TZ) ? - PL/I)

Content Type: text/plain

"...I did. Here, Lynn, is the exact example I gave (see my
Saturday morning message): ..."

I used to enjoy your tormenting of Steven Levine. Now I see
you are an equal opportunity employer. As we have been all
over the place on this one and you are in your usual game of
playing moving target I will try to be more specific on this one.
To answer my question about the importance of marking the
begining and end of calculation sequences here in includes the
sequence of calculating the dynamic dimensions. That means
the following:

begin;
/* calculate the dimensions A, B */
end;
begin;
/* allocate matrix and perform calculations */
dcl matrix (A, B);
.....
end;

Just do the same for the calculations of all the other
dimension variables.

You can't because it doesn't work. It doesn't work for the
very same reason of allocation and deallocation that the
begin-end sequence works for you in the instances you use.
That says that you don't have a memory or forgetfulness
problem when it comes to knowing where to insert the 'begin'
or the 'end', but you do when it comes to 'allocate' and 'free'.
I find that an acute memory problem for which you should
seek medical help.

Most others, I hope, reading this by now know that their use is
synonymous, easily remembered, more understandable by the
casual reader of different programming languages, and more
easily transferred across programming languages. As PL/I
doesn't force you to be more considerate of others, given the
rather narrow audience of one who has to read your code, I
suggest you just continue blissfully along this path. If and
when you ever get to list processing, I will be among the first
to insist that you do it with begin-end sequences. Trying to
solve that one will keep you busy enough so that the rest of
us will have more "free" time to "allocate" to something else.

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