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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: 103376,c9d5fc258548b22a
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news1.google.com!postnews.google.com!8g2000prb.googlegroups.com!not-for-mail
From: Shark8 <onewingedshark@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: How do I write directly to a memory address?
Date: Wed, 9 Feb 2011 13:23:57 -0800 (PST)
Organization: http://groups.google.com
Message-ID: <57033fe3-b115-4cd4-9e5f-6457d8ff95dc@8g2000prb.googlegroups.com>
References: 
 <67063a5b-f588-45ea-bf22-ca4ba0196ee6@l11g2000yqb.googlegroups.com>
 <iis37l$t09$1@tornado.tornevall.net>
 <4d51905c$0$19486$882e7ee2@usenet-news.net>
 <36212a7b-deab-45d9-ac45-aa29cd90c7bc@o18g2000prh.googlegroups.com>
 <4d51a7bb$0$19486$882e7ee2@usenet-news.net> <iisll6$9th$1@munin.nbi.dk>
 <4d52b489$0$19486$882e7ee2@usenet-news.net>
 <9a8njlwvey1p.1a96yvvgdf6yu.dlg@40tude.net>
 <4d52c5e5$0$19486$882e7ee2@usenet-news.net>
 <ewxe8m5g7wz3$.k115u2qzl8ry.dlg@40tude.net>
 <4d52d7d9$0$18057$882e7ee2@usenet-news.net>
 <1jf3s95v7yrkk.1m7rl9zt042py$.dlg@40tude.net>
 <4d52e704$0$18057$882e7ee2@usenet-news.net>
 <271ad249-94dd-43d9-b550-59bd8e2208fc@y12g2000prf.googlegroups.com>
 <4d52f25d$0$18057$882e7ee2@usenet-news.net>
 <9a383662-5b92-4ac8-8446-67be342d97bd@r19g2000prm.googlegroups.com>
 <4d530522$0$18057$882e7ee2@usenet-news.net>
NNTP-Posting-Host: 174.28.151.164
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1297286637 12337 127.0.0.1 (9 Feb 2011 21:23:57
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Wed, 9 Feb 2011 21:23:57 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: 8g2000prb.googlegroups.com; posting-host=174.28.151.164;
 posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.13)
 Gecko/20101203 Firefox/3.6.13 ( .NET CLR 3.5.30729; .NET4.0E),gzip(gfe)
Xref: g2news1.google.com comp.lang.ada:17162
Date: 2011-02-09T13:23:57-08:00
List-Id: <comp.lang.ada>

On Feb 9, 2:20=A0pm, Hyman Rosen <hyro...@mail.com> wrote:
> On 2/9/2011 3:25 PM, Shark8 wrote:
>
> > No, yours rejects signed values for the bases; mine does not...
> > thus it violates the equal-inputs requirement.
>
> If you insist:
>
> long Exponent(long base, unsigned exp)
> {
> =A0 =A0 =A0if (exp =3D=3D 0) return 1;
> =A0 =A0 =A0if (base =3D=3D 0) return 0;
> =A0 =A0 =A0int sign =3D base < 0 && exp % 2 =3D=3D 1 ? -1 : 1;
> =A0 =A0 =A0if (base < 0) base =3D -base;
> =A0 =A0 =A0while (true)
> =A0 =A0 =A0{
> =A0 =A0 =A0 =A0 =A0long guess =3D random();
> =A0 =A0 =A0 =A0 =A0long g =3D guess;
> =A0 =A0 =A0 =A0 =A0unsigned i =3D 0;
> =A0 =A0 =A0 =A0 =A0while (g % base =3D=3D 0 && i < exp)
> =A0 =A0 =A0 =A0 =A0{
> =A0 =A0 =A0 =A0 =A0 =A0 =A0g /=3D base;
> =A0 =A0 =A0 =A0 =A0 =A0 =A0++i;
> =A0 =A0 =A0 =A0 =A0}
> =A0 =A0 =A0 =A0 =A0if (g =3D=3D 1 && i =3D=3D exp) return guess * sign;
> =A0 =A0 =A0}
>
> }
>
> OK, now can I use my routine instead of yours?

Almost: prove it returns.