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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: The answer to "Can Ada replace FORTRAN for numerical computation?
Date: Mon, 22 Jul 2019 14:20:12 +0100
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Date: 2019-07-22T14:20:12+01:00
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Lucretia <laguest9000@googlemail.com> writes:

> On Monday, 22 July 2019 06:53:06 UTC+1, Simon Wright  wrote:
>
>> I can't believe that the visible complaint (the ordering convention for
>> matrices, row- vs column-major) would seriously impact the mental
>> dexterity required to write mathematical code.
>> 
>> And now we have Convention (Fortran), which makes it not-too-hard to
>> interface to existing Fortran code.
>
> Wouldn't Ada also require multi-dimensional slices? Something I've
> been wanting for a while, albeit in limited form, 2D/3D for
> images/textures.

I _think_ this is what the Fortran PACK/UNPACK & RESHAPE packages are
for; for example [1]. Interesting that the representation of the
matrices looks row-major!

The pre- and post-conditions might be a challenge.

[1] https://software.intel.com/en-us/fortran-compiler-developer-guide-and-reference-unpack