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=unavailable autolearn_force=no version=3.4.4
Path: 
 buffer2.nntp.dca1.giganews.com!border2.nntp.dca1.giganews.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!feeder.erje.net!1.eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail
From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Fixed-point question
Date: Sat, 27 Jun 2015 11:38:07 -0700
Organization: Also freenews.netfront.net; news.tornevall.net;
 news.eternal-september.org
Message-ID: <mmmqft$sh8$1@dont-email.me>
References: <249bcd57-3074-4566-b8f2-03e6923bfbce@googlegroups.com>
 <mmk05n$g0c$1@dont-email.me>
 <6a104bde-67ea-48a5-a035-6be3f9235d42@googlegroups.com>
 <mmkma5$gib$1@speranza.aioe.org>
 <21e4185b-bc89-4940-b329-09863ad17344@googlegroups.com>
 <mml9k2$pvf$1@dont-email.me>
 <0320a865-5636-4ac6-81f7-ea56b761ce0d@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Injection-Date: Sat, 27 Jun 2015 18:36:47 +0000 (UTC)
Injection-Info: mx02.eternal-september.org;
 posting-host="a3855fbfe1a666be9aefba0563039ed5";
 logging-data="29224"; mail-complaints-to="abuse@eternal-september.org";
 posting-account="U2FsdGVkX1/CgSJE3PJBBvhLMZWQUdBAEKtsmM26vrA="
User-Agent: Mozilla/5.0 (X11; Linux x86_64;
 rv:31.0) Gecko/20100101 Thunderbird/31.7.0
In-Reply-To: <0320a865-5636-4ac6-81f7-ea56b761ce0d@googlegroups.com>
Cancel-Lock: sha1:x0bWChTHlTfCa/6SeyBSQvvcAwI=
Xref: number.nntp.giganews.com comp.lang.ada:193804
Date: 2015-06-27T11:38:07-07:00
List-Id: <comp.lang.ada>

On 06/27/2015 10:59 AM, Patrick Noffke wrote:
> On Friday, June 26, 2015 at 11:44:07 PM UTC-5, Jeffrey R. Carter wrote:
>>
>> With a small of 1/180:
>>
>> For C1, AFAICT, the compiler will calculate N/D exactly, getting 44/3 =
>> 14.6666...., and then convert this to Fixed_type, getting 2640/180.
>>
>> For C2, "/" for Fixed_Type is used, so N and D are converted to Fixed_Type
>> first. 
> 
> My question is whether this is the right thing for the compiler to do.

For C2, definitely. I'm not sure why the type conversion for C1 results in using
the universal-real operator.

-- 
Jeff Carter
"My brain hurts!"
Monty Python's Flying Circus
21