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 X-Google-Thread: 103376,587583eece659d7a X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-03-16 21:39:32 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.cwix.com!newsfeed1.cidera.com!Cidera!novia!novia!newsfeed2.earthlink.net!newsfeed.earthlink.net!newsmaster1.prod.itd.earthlink.net!newsread2.prod.itd.earthlink.net.POSTED!not-for-mail Message-ID: <3C942C08.FB78C653@acm.org> From: Jeffrey Carter X-Mailer: Mozilla 4.7 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Why raises this an error? :-( References: <3C93A19C.67D6E442@t-online.de> <3C93ACE5.36B3BCE2@acm.org> <3C93C0C9.14A5FC7D@t-online.de> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Date: Sun, 17 Mar 2002 05:39:34 GMT NNTP-Posting-Host: 209.86.200.43 X-Complaints-To: abuse@earthlink.net X-Trace: newsread2.prod.itd.earthlink.net 1016343574 209.86.200.43 (Sat, 16 Mar 2002 21:39:34 PST) NNTP-Posting-Date: Sat, 16 Mar 2002 21:39:34 PST Organization: EarthLink Inc. -- http://www.EarthLink.net X-Received-Date: Sat, 16 Mar 2002 21:39:31 PST (newsmaster1.prod.itd.earthlink.net) Xref: archiver1.google.com comp.lang.ada:21355 Date: 2002-03-17T05:39:34+00:00 List-Id: Kai Gl�sner wrote: > > But why is the value of the left operand not allowed to be negative > according to the ARM? Both the ARM and the AARM are silent on this. A possible reason is that X ** Y may be implemented as exp (log (X) * Y) and you cannot take the log of a negative value. This is simply a guess on my part, though. -- Jeff Carter "Your mother was a hamster and your father smelt of elderberries." Monty Python & the Holy Grail