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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,92471489ebbc99c6 X-Google-Attributes: gid103376,public From: adam@irvine.com Subject: Re: Y2K Issues Date: 1998/10/28 Message-ID: <7180vv$d9f$1@nnrp1.dejanews.com>#1/1 X-Deja-AN: 406031674 References: <362B53A3.64E266AB@res.raytheon.com> <36365724.EF1CC215@maths.unine.ch> X-Http-Proxy: 1.0 x3.dejanews.com:80 (Squid/1.1.22) for client 192.160.8.21 Organization: Deja News - The Leader in Internet Discussion X-Article-Creation-Date: Wed Oct 28 21:06:07 1998 GMT Newsgroups: comp.lang.ada X-Http-User-Agent: Mozilla/3.0 (X11; I; Linux 2.0.34 i686) Date: 1998-10-28T00:00:00+00:00 List-Id: In article <36365724.EF1CC215@maths.unine.ch>, Gautier de Montmollin wrote: > Someone in an hydrological bureau had the same shock today reading that > LRM topic in AdaHelp, but because of the 1901 problem: many archived time > series begin before 1901... (hydrology, geography etc.) => Calendar is > useless for it ! One has to program a Calendar bis. It's not that > the formulas for this purpose don't exist or are too complicated... > And what to think about astronomical calculations / previsions ?... I'm not sure exactly what you mean by astronomical calculations. However, if you have computed that some star was formed three billion years ago on exactly March 18th, at 2:29:17 GMT, and you need to know what day of the week the star was formed on, I suppose you could write your own version of Calendar to perform the needed computations. -- Adam -----------== Posted via Deja News, The Discussion Network ==---------- http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own