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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: "G.B." Newsgroups: comp.lang.ada Subject: Re: RFC: Generic Fixed-Point IIR Filter Date: Fri, 27 Mar 2015 13:17:25 +0100 Organization: A noiseless patient Spider Message-ID: References: <2c2ee86e-b9bd-49e3-aa7f-206f3c4da95e@googlegroups.com> Reply-To: nonlegitur@futureapps.de Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 27 Mar 2015 12:16:31 +0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="b96887e80893c84a90c3007226ca0d1c"; logging-data="31422"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19STB0kd75/p3S5TI+S+AU2BBwcoGNQNfs=" User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 In-Reply-To: Cancel-Lock: sha1:StHKOrU2gHj3e/Ktlx5L6e4PIEA= Xref: news.eternal-september.org comp.lang.ada:25287 Date: 2015-03-27T13:17:25+01:00 List-Id: On 26.03.15 22:12, Randy Brukardt wrote: > Ada runtime math isn't supposed to > require some complex infinite precision operation (which admittedly is > interesting, since the compiler is required to do exactly that). The requirement to not do infinite precision arithmetic for Standard."*" seems plausible to me insofar as Standard."*" in source text conveys "a single multiplication", not some big number operation which could take unpredictable amounts of resources. (Still interesting that compiler capabilities are withheld from its users, though.)