From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: 103376,f1a7d87c644a81db
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,UTF8
Received: by 10.68.238.65 with SMTP id vi1mr19682287pbc.7.1340791817669;
        Wed, 27 Jun 2012 03:10:17 -0700 (PDT)
Path: 
 l9ni25354pbj.0!nntp.google.com!news2.google.com!goblin2!goblin.stu.neva.ru!news.stack.nl!feeds.news.ox.ac.uk!news.ox.ac.uk!not-for-mail
From: Ian Clifton <ian.clifton@chem.ox.ac.uk>
Newsgroups: comp.lang.ada
Subject: Re: Ada in medical devices
Date: Wed, 27 Jun 2012 11:10:17 +0100
Organization: Oxford University
Message-ID: <jsem69$o6c$1@news.ox.ac.uk>
References: 
 <f4b1dc74-1fd7-48f5-aec1-3a1207801af5@si8g2000pbc.googlegroups.com>
	<js07mh$bfj$1@adenine.netfront.net>
	<LaWdnYRCK9jho3fSnZ2dnUVZ_judnZ2d@earthlink.com>
NNTP-Posting-Host: chem-arachne.chem.ox.ac.uk
Mime-Version: 1.0
X-Trace: news.ox.ac.uk 1340791817 24780 129.67.70.197 (27 Jun 2012 10:10:17
 GMT)
X-Complaints-To: newsmaster@ox.ac.uk
NNTP-Posting-Date: Wed, 27 Jun 2012 10:10:17 +0000 (UTC)
X-Face: 
 UBC;x(*[G|MjJprNEe46g'_ohKo&_1j)xyO.Vp{Aqs]utmX:;onqsta@HWuZ/XLcnUl8:Tw
 ftqJ]_NiENI}83q%~[/2C!f[!<g\y6.&ds(6q9?b:d(k0@JD2rZ=7m3kv"u=PdgxT.J.JmJj#a`I8X
 5N&u!>&@p*N9'-weU1%|76wuw7,u$<EAQtn=%-o(+W_tIs(nk*G#u>vB:Q2/rT:Xt7/vlATc]_'O$o
 +$BJ~I+H|df*r>lC?,P?s4W"HC]fP0FT+Ay5.0R{rc0)JICp(z:[gx9k'/JC|hnzbW@#"[t;'I0`
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux)
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Content-Language: en-GB
Date: 2012-06-27T11:10:17+01:00
List-Id: <comp.lang.ada>

Jerry Petrey <gpetrey@earthlink.net> writes:

> On 6/21/2012 3:37 PM, Jeffrey Carter wrote:
>>
>> I once knew a C coder, and a mediocre C coder at that, who was coding
>> for pacemakers. I hope I never need one.
> How true.  Remember the Therac-25 incident in the 1980's where C
> pointer problems killed a number of people with huge doses of X-rays?
>
To be fair, I believe the Therac-25 software was written in PDB-11
assembler:

http://sunnyday.mit.edu/papers/therac.pdf page 23

-- 
Ian ◎