From -2631886975908555514 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,7b33df5790e7ad92 X-Google-Attributes: gidf78e5,public From: James Kuyper Subject: Re: complex design flaw (#1) Date: 1999/03/15 Message-ID: <36EC342F.D806DD0F@wizard.net>#1/1 X-Deja-AN: 455095823 X-NNTP-Posting-Host: 209.8.153.32 Content-Transfer-Encoding: 7bit Approved: stephen.clamage@sun.com (comp.std.c++) References: <01be6e30$aeae59e0$7d9cd4c7@danielp.interlog.com> X-UID: 0000000001 X-Status: $$$T Content-Type: text/plain; charset=us-ascii X-Trace: news6.ispnews.com 921449366 209.8.153.32 (Sun, 14 Mar 1999 17:09:26 EDT) Organization: Not Enough Mime-Version: 1.0 NNTP-Posting-Date: Sun, 14 Mar 1999 17:09:26 EDT Newsgroups: comp.std.c++ Originator: clamage@taumet Daniel Parker wrote: .... > Incidently, I'm a little rusty on the bit layout of a floating point > number; can I rely on > > double x = 0.0; > double y; > > memset( &y, 0, sizeof(double) ); > > x == y ? > memcmp( &x, &y, sizeof(double) ) == 0 ? For IEEE formats, yes, but those aren't required by the C++ standard. [ 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://reality.sgi.com/austern_mti/std-c++/faq.html ]