From 3944254505548746057 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,d93488bb970aa444 X-Google-Attributes: gidf78e5,public X-Google-ArrivalTime: 2001-06-13 07:10:02 PST Path: archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!dispose.news.demon.net!news.demon.co.uk!demon!mail2news.demon.co.uk!not-for-mail From: "Greg Brewer" Newsgroups: comp.std.c++ Subject: Re: How to test for NaNs and infinites? Date: Wed, 13 Jun 2001 14:09:31 GMT Organization: Houston Area League of PC Users Approved: Fergus Henderson , moderator of comp.std.c++ Message-ID: <9g7q93$1lu1$1@news.hal-pc.org> References: <3B176D2F.70C3E7F7@meteo.fr> <9fql8h$pfg$1@news.hal-pc.org> <3B21100E.5B25F7AA@acm.org> <9frdlp$14bc$1@news.hal-pc.org> <9g2em7$1pkk$1@news.hal-pc.org> X-Trace: mail2news.demon.co.uk 992441382 mail2news:20945 mail2news mail2news.demon.co.uk X-Complaints-To: abuse@demon.net X-Mail2News-Path: news.demon.net!mulga.cs.mu.oz.au X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) NNTP-Posting-Date: Wed, 13 Jun 2001 13:36:35 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.3018.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.3018.1300 Lines: 23 Xref: archiver1.google.com comp.std.c++:6050 "Gabriel Dos Reis" wrote in message news:fl7kyi5769.fsf@jambon.cmla.ens-cachan.fr... > "Greg Brewer" writes: > | "Gabriel Dos Reis" wrote in message > | news:fl3d9ail4o.fsf@sel.cmla.ens-cachan.fr... > | > "Greg Brewer" writes: > | > Then would you mind to explain what you mean by "legal C++"? > | I mean it will compile with any C++ compiler. > Then in that perspective, your proposed function has it wrong because > it invokes an undefined behaviour. Huh????? Name one compiler that won't compile it. Undefined behavior is not illegal. Plus it works for most people. Greg --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.research.att.com/~austern/csc/faq.html ]