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=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,583275b6950bf4e6 X-Google-Attributes: gid103376,public X-Google-Thread: f43e6,899fc98b2883af4a X-Google-Attributes: gidf43e6,public X-Google-Thread: fdb77,5f529c91be2ac930 X-Google-Attributes: gidfdb77,public X-Google-Thread: 1108a1,59ec73856b699922 X-Google-Attributes: gid1108a1,public X-Google-ArrivalTime: 2003-05-19 04:11:08 PST Path: archiver1.google.com!postnews1.google.com!not-for-mail From: martin.dowie@btopenworld.com (Martin Dowie) Newsgroups: comp.lang.java.advocacy,comp.object,comp.lang.ada,comp.software-eng Subject: Re: Logic Errors and Ada (Was: A big hairy thread on Ada, Quality, and Drivers) Date: 19 May 2003 04:11:08 -0700 Organization: http://groups.google.com/ Message-ID: References: <9fa75d42.0304230424.10612b1a@posting.google.com> <9fa75d42.0305130543.60381450@posting.google.com> <254c16a.0305140549.3a87281b@posting.google.com> <9fa75d42.0305141747.5680c577@posting.google.com> <1053027582.984315@master.nyc.kbcfp.com> <3ec4b5c5$1@news.wineasy.se> <254c16a.0305160930.40bb42f9@posting.google.com> <9fa75d42.0305181502.53703035@posting.google.com> NNTP-Posting-Host: 20.138.254.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Trace: posting.google.com 1053342668 31885 127.0.0.1 (19 May 2003 11:11:08 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: 19 May 2003 11:11:08 GMT Xref: archiver1.google.com comp.lang.java.advocacy:64155 comp.object:63682 comp.lang.ada:37510 comp.software-eng:19292 Date: 2003-05-19T11:11:08+00:00 List-Id: softeng3456@netscape.net (soft-eng) wrote in message news:<9fa75d42.0305181502.53703035@posting.google.com>... > > That sounds to me an unrealistic level of discipline: subtyping > to the extent that all lattitudes and longitudes (and things > along that line) are separate types. More common usage is that both > will be just real numbers (floats), whatever the language chosen. So NO! That's just plain wrong - I've spent the last 15 years working in aerospace and this is EXACTLY the level of typing that is used EVERYDAY.