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: a07f3367d7,ab436e97ff76821f
X-Google-Attributes: gida07f3367d7,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII-7-bit
Received: by 10.180.24.202 with SMTP id w10mr321015wif.0.1343909984222;
        Thu, 02 Aug 2012 05:19:44 -0700 (PDT)
Received: by 10.180.107.167 with SMTP id hd7mr293766wib.0.1343909975978;
        Thu, 02 Aug 2012 05:19:35 -0700 (PDT)
Received: by 10.236.161.8 with SMTP id v8mr12602132yhk.18.1343909975901;
        Thu, 02 Aug 2012 05:19:35 -0700 (PDT)
Path: 
 q11ni4527309wiw.1!nntp.google.com!volia.net!news2.volia.net!feed-B.news.volia.net!12no3568651wil.1!news-out.google.com!n2ni4523041win.0!nntp.google.com!7no3626871wig.0!news-out.google.com!a15ni8189945qag.0!nntp.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!goblin3!aspen.stu.neva.ru!goblin1!goblin.stu.neva.ru!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail
From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada,comp.lang.pl1
Subject: Re: Does Ada need elemental functions to make it suitable for
 scientific work?
Followup-To: comp.lang.ada
Date: Sun, 29 Jul 2012 21:30:58 +0100
Organization: A noiseless patient Spider
Message-ID: <m2pq7emhrx.fsf@nidhoggr.home>
References: <jtfpdr$2lt$1@speranza.aioe.org>
	<e3de9956-19f5-412a-a33d-da79e5c1913e@googlegroups.com>
	<18c77859-480c-41f5-bb1c-df7ad067f4f3@googlegroups.com>
	<637de084-0e71-4077-a1c5-fc4200cad3cf@googlegroups.com>
	<jtgpos$20g$2@speranza.aioe.org> <juadj9$dph$1@munin.nbi.dk>
	<6581ef3f-3e2c-4eeb-9a3f-eded557239d5@qk10g2000pbc.googlegroups.com>
	<jv3m5r$k2k$1@dont-email.me>
	<dl33u2dbozrz.1fk3je041ht9q.dlg@40tude.net>
Mime-Version: 1.0
Injection-Info: mx04.eternal-september.org;
 posting-host="edf2659fbb8cb6d4b5f62db4b36ac1e6";
	logging-data="27881"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX1/THiMlMrYJqSlu94REThgIl6seR+9KquU="
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (darwin)
Cancel-Lock: sha1:eiCj6uy/1vIvlE8gZBamxUUkpOA=
	sha1:v7vw5BQyP5ltUnGQqzfsHUUg0Ug=
Content-Type: text/plain
Date: 2012-07-29T21:30:58+01:00
List-Id: <comp.lang.ada>

"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> On Sun, 29 Jul 2012 17:51:25 +0200, J-P. Rosen wrote:
>
>> One of the great benefits of Ada (for floating point types) is the
>> ability to chose accurracy and range, and let the compiler find the
>> appropriate underlying hardware type. Most machines have more than float
>> and double!

ix86's have 80-bit floats (GNAT's Long_Long_Float); what other
commonly-available extended hardware precisions are there?

> Which advantage gets lost when external numeric libraries are used.

I believe that BLAS & possibly LAPACK can be built for extended
precision. But (usually) aren't.