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: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: "J-P. Rosen" Newsgroups: comp.lang.ada Subject: Re: 64-bit unsigned integer? Date: Tue, 27 Feb 2018 18:18:12 +0100 Organization: Adalog Message-ID: References: <001e93f1-b645-4312-8a29-caca3860b560@googlegroups.com> NNTP-Posting-Host: TKk5kT01+2w6guVcOjcsiQ.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 Content-Language: fr X-Notice: Filtered by postfilter v. 0.8.3 Xref: reader02.eternal-september.org comp.lang.ada:50686 Date: 2018-02-27T18:18:12+01:00 List-Id: Le 27/02/2018 à 17:40, Dan'l Miller a écrit : > analogous to multiplying/dividing by powers of 2 being instead generated as shift left/right instructions This is a common error: dividing by 2 is not the same as arithmetic shifting right (for negative numbers)! -- J-P. Rosen Adalog 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00 http://www.adalog.fr