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From: "John B. Matthews" <nospam@nospam.invalid>
Newsgroups: comp.lang.ada
Subject: Re: Basic question on Ada multi-dimensional arrays,
 are they true (contiguous) arrays? aliasing rules?
Date: Fri, 23 Dec 2011 02:34:55 -0500
Organization: The Wasteland
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 <jcu5sm$2mef$1@adenine.netfront.net>
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Date: 2011-12-23T02:34:55-05:00
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In article <jcu5sm$2mef$1@adenine.netfront.net>,
 Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org> wrote:

> On 12/21/2011 12:11 PM, John B. Matthews wrote:
> >
> > I'm not sure the standard [1] says exactly how array components (§3.6)
> > must be stored, only that "all have the same subtype." Unchecked type
> > conversion (§13.9) suggests contiguous representation of components
> > for meaningful use. I'm not an implementor, so I'd welcome correction.
> 
> ARM 3.6.2 has the following Implementation Advice:
> 
> "'An implementation should normally represent multidimensional arrays 
> in row-major order, consistent with the notation used for 
> multidimensional array aggregates (see 4.3.3). However, if a pragma 
> Convention(Fortran, ...) applies to a multidimensional array type, 
> then column-major order should be used instead (see B.5, “Interfacing 
> with Fortran”).'

Thanks!

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>