Deutsch   English   Français   Italiano  
<vsqp3u$1p809$1@dont-email.me>

View for Bookmarking (what is this?)
Look up another Usenet article

Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Dimensional Analysis
Date: Sat, 5 Apr 2025 10:20:14 +0200
Organization: A noiseless patient Spider
Lines: 20
Message-ID: <vsqp3u$1p809$1@dont-email.me>
References: <vsqleu$1ktm5$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Sat, 05 Apr 2025 10:20:15 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="8680b03d41551e2fc04d8cd8c12ee83a";
	logging-data="1875977"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19TD/fNIKSPl4otcU5NnnmQAgyW+teggsg="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:kxyIpQeg0g8YCYa9Z34rLexRhMQ=
Content-Language: en-US
In-Reply-To: <vsqleu$1ktm5$1@dont-email.me>
Bytes: 1685

On 2025-04-05 09:17, Lawrence D'Oliveiro wrote:

> So what do you think of this idea? Is it already in use in a
> significant way in any Ada code? I figured if any language would be
> looking at new ways of writing safer code, it would be the Ada crowd.
> ;)

Static dimensionality checks are implemented by the GNAT compiler, see

https://gcc.gnu.org/onlinedocs/gnat_ugn/Performing-Dimensionality-Analysis-in-GNAT.html

For engineering purposes static checks are worthless. So in practice 
constrained types and dynamic checks are used instead. See

https://www.dmitry-kazakov.de/ada/units.htm

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de