Article View: comp.std.c
Article #4821Re: fast block zeroing, how defined?
From: Tanmoy Bhattacharya
Date: Fri, 16 Feb 1996 15:49
Date: Fri, 16 Feb 1996 15:49
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In article <1996Feb16.082224.16087@sq.com> msb@sq.com (Mark Brader) writes: <snip> "It has been decided" refers to the official response to Defect Report 67, contained in Record of Response 2 and Technical Corri- gendum 2. As far as I know, RR2/TC2 has still not been published, and I have no idea what changes may have been made in response to comments made through national bodies during balloting. In the draft version that was balloted on, it does state that some integral types can have unused bits; the term defined to refer to these bits is, unfortunately, "holes". The draft states that they "do not participate in forming the value of an object"; that is, they must simply be ignored, rather than being possibly used for parity. I think it would be far better to clarify it in a TC rather than muddle it up with another RR: but, does a parity bit participate in forming the `value' of an object? It certainly participates in the validity of an object, which can be rephrased as it participates in the existence of the value of the object, but does the word `value' encompass the meaning `existence of value'? I think this should be clarified. I see your logic, but am not completely convinced by it. (Maybe, that itself is bad news: when the language of the standard gets burdened so much that I can see your logic, and not accept it, maybe, then it is time to make things clearer in the standard itself.) Cheers Tanmoy -- tanmoy@qcd.lanl.gov(128.165.23.46) DECNET: BETA::"tanmoy@lanl.gov"(1.218=1242) Tanmoy Bhattacharya O:T-8(MS B285)LANL,NM87545 H:#9,3000,Trinity Drive,NM87544 Others see <gopher://yaleinfo.yale.edu:7700/00/Internet-People/internet-mail>, <http://alpha.acast.nova.edu/cgi-bin/inmgq.pl>or<ftp://csd4.csd.uwm.edu/pub/ internetwork-mail-guide>. -- <http://nqcd.lanl.gov/people/tanmoy/tanmoy.html> fax: 1 (505) 665 3003 voice: 1 (505) 665 4733 [ Home: 1 (505) 662 5596 ]
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Path: arc1-ca.pugleaf.net!newshost.lanl.gov!tanmoy From: tanmoy@qcd.lanl.gov (Tanmoy Bhattacharya) Newsgroups: comp.std.c Subject: Re: fast block zeroing, how defined? Date: 16 Feb 1996 15:49:20 GMT Organization: Los Alamos National Laboratory Message-ID: <TANMOY.96Feb16084920@qcd.lanl.gov> References: <4fqaj4$2qu@fu-berlin.de> <TANMOY.96Feb13124302@qcd.lanl.gov> <1996Feb16.082224.16087@sq.com> NNTP-Posting-Host: qcd.lanl.gov Mime-Version: 1.0 Content-Type: text In-reply-to: msb@sq.com's message of Fri, 16 Feb 1996 08:22:24 GMT