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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.107.164.105 with SMTP id n102mr11239926ioe.98.1500211821701; Sun, 16 Jul 2017 06:30:21 -0700 (PDT) X-Received: by 10.36.3.81 with SMTP id e78mr69463ite.9.1500211821643; Sun, 16 Jul 2017 06:30:21 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!news.glorb.com!188no1188698itx.0!news-out.google.com!196ni6182itl.0!nntp.google.com!188no1188694itx.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Sun, 16 Jul 2017 06:30:21 -0700 (PDT) In-Reply-To: <5c6d53bf-7a68-4a7d-87d6-4e767a7c4662@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2a02:1205:5055:3750:f9eb:72d3:d43d:4fc5; posting-account=gRqrnQkAAAAC_02ynnhqGk1VRQlve6ZG NNTP-Posting-Host: 2a02:1205:5055:3750:f9eb:72d3:d43d:4fc5 References: <1ba6f78e-8ab6-4f60-961e-a0a5a8f48a09@googlegroups.com> <5c6d53bf-7a68-4a7d-87d6-4e767a7c4662@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: Re: GNAT.CRC32.Get_Value From: gautier_niouzes@hotmail.com Injection-Date: Sun, 16 Jul 2017 13:30:21 +0000 Content-Type: text/plain; charset="UTF-8" Xref: news.eternal-september.org comp.lang.ada:47428 Date: 2017-07-16T06:30:21-07:00 List-Id: > There is very little documentation on it but I think its typically used as value for a computed Checksum, or as a starting point for a reverse CRC32. I'm not sure. Are you asking about Get_Value or CRC32 in general? Get_Value finalizes the computation of CRC32 (GNAT's System.CRC32 spec (s-crc32.ads) is pretty clear about the initialization and update parts). HTH Gautier _____________________________________________________________ A free online game in Ada: http://pasta.phyrama.com/game.html