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From: Jacob Sparre Andersen <jacob@jacob-sparre.dk>
Newsgroups: comp.lang.ada
Subject: Re: basic question on adding 2 arrays
Date: Sun, 13 Jul 2014 18:25:12 +0200
Organization: Jacob Sparre Andersen Research & Innovation
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Date: 2014-07-13T18:25:12+02:00
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AdaMagica wrote:
> On Sunday, July 13, 2014 8:33:57 AM UTC+2, Jeffrey Carter wrote:

>> Next (Next'First + 1 .. Next'Last - 1) :=
>>     Next (Next'First .. Next'Last - 2) +
>>     Next (Next'First + 2 .. Next'Last);
>
> OK, one can do this, but is it better than Nasser's?
>
>>    for i in 2..next'length-1 loop
>>       next(i):= now(i-1)+now(i+1);
>>    end loop;

I would say that it depends on how the model is formulated, but without
that knowledge Nasser's version looks easier to understand.

Nasser's version also has the benefit of being safe in case of
by-reference passing of arrays.

Greetings,

Jacob
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