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!feeder.eternal-september.org!aioe.org!.POSTED.yTvCNOh9TRCAIcX40YItlQ.user.gioia.aioe.org!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: ? Are there LDPC error code lib in Ada ? thanks. Date: Fri, 22 Feb 2019 22:45:46 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <42ec3738-180f-468b-9a4b-1763a14bad40@googlegroups.com> NNTP-Posting-Host: yTvCNOh9TRCAIcX40YItlQ.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 Content-Language: en-US X-Notice: Filtered by postfilter v. 0.9.2 Xref: reader01.eternal-september.org comp.lang.ada:55637 Date: 2019-02-22T22:45:46+01:00 List-Id: On 2019-02-22 21:35, Daniel Norte Moraes wrote: > Are there LDPC error code lib in Ada ? Isn't it more a hardware thing? > Any bind or raw Ada ? Not that I know. It could be implemented of course, e.g. using a simple look-up table, but the purpose is not clear. > My main uses are for: > 1)files and chunks inside files, > 2) in memory streams code e decoder > 3) network These do not fall into the category of "noisy transmission channel". Files, memory, network transports have integrated error correction already. On top of these you would use none or something rather simple, e.g. a checksum xor or Fletcher. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de