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Groups > comp.lang.c > #16132

Re: zero up memory

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: zero up memory
Date 2012-01-24 14:07 -0800
Organization None to speak of
Message-ID <ln8vkw7o08.fsf@nuthaus.mib.org> (permalink)
References (4 earlier) <20120123120939.71@kylheku.com> <e5ca3c84-58fa-4cee-aa8d-88dc3de2d899@j42g2000vbt.googlegroups.com> <0.643ec697f8276b5bf722.20120123232115GMT.871uqqhuok.fsf@bsb.me.uk> <40e1a29a-80ab-4b1a-bc54-119f148dd78a@8g2000vbv.googlegroups.com> <0.934be3b4583d66198e0c.20120124205649GMT.87vco0hl9q.fsf@bsb.me.uk>

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Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
[...]
> I can't answer your question about efficient equality testing -- you'd
> have to ask a hardware designer.  However, the fact that there are
> redundant representations should not be a surprise.  I don't know any FP
> format that does not have multiple representations that must compare
> equal (+0 and -1 being the most common example).

I think you mean +0 and -0.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
    Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

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Thread

zero up memory "Mark" <mark_cruzNOTFORSPAM@hotmail.com> - 2012-01-23 10:51 -0500
  Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-23 16:30 +0000
  Re: zero up memory Johann Klammer <klammerj@NOSPAM.a1.net> - 2012-01-23 17:57 +0100
    Re: zero up memory Kenneth Brody <kenbrody@spamcop.net> - 2012-01-23 12:07 -0500
    Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-23 09:08 -0800
      Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-23 09:22 -0800
        Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-23 10:13 -0800
          Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-23 12:00 -0800
        Re: zero up memory Kaz Kylheku <kaz@kylheku.com> - 2012-01-23 20:14 +0000
          Re: zero up memory "Joel C. Salomon" <joelcsalomon@gmail.com> - 2012-01-23 16:46 -0500
          Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-23 14:05 -0800
            Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-23 23:21 +0000
              Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-24 09:35 -0800
                Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-24 20:56 +0000
                Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-24 14:07 -0800
                Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-25 17:38 +0000
                Re: zero up memory Johann Klammer <klammerj@NOSPAM.a1.net> - 2012-01-24 23:15 +0100
                Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-24 14:31 -0800
                Re: zero up memory Kleuske <kleuske@nowhere.net> - 2012-01-25 15:39 +0000
                Re: zero up memory Kleuske <kleuske@nowhere.net> - 2012-01-25 15:49 +0000
                Re: zero up memory Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-26 03:09 -0800
                Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-25 13:05 -0800
                Re: zero up memory Sjouke Burry <s@b> - 2012-01-25 23:25 +0000
                Re: zero up memory Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-26 03:11 -0800
                Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-26 11:48 -0800
                Re: zero up memory gordonb.p79fg@burditt.org (Gordon Burditt) - 2012-03-12 17:55 -0500
                Re: zero up memory James Kuyper <jameskuyper@verizon.net> - 2012-03-12 22:10 -0400
                Re: zero up memory Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-12 23:24 -0400
                Re: zero up memory James Kuyper <jameskuyper@verizon.net> - 2012-03-12 23:53 -0400
                Re: zero up memory gordonb.pu5nu@burditt.org (Gordon Burditt) - 2012-03-13 00:58 -0500
                Re: zero up memory James Kuyper <jameskuyper@verizon.net> - 2012-03-14 11:17 -0400
                Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-26 11:19 -0800
                Re: zero up memory Kleuske <kleuske@nowhere.net> - 2012-01-27 08:13 +0000
                Re: zero up memory Kleuske <kleuske@nowhere.net> - 2012-01-26 14:42 +0000
                Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-25 12:33 -0800
                Re: zero up memory Kleuske <kleuske@nowhere.net> - 2012-01-26 14:12 +0000
                Re: zero up memory James Kuyper <jameskuyper@verizon.net> - 2012-01-24 17:43 -0500
                Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-24 16:29 -0800
                Re: zero up memory James Kuyper <jameskuyper@verizon.net> - 2012-01-24 21:43 -0500
                Re: zero up memory Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-24 23:58 -0800
                Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-25 17:52 +0000
                Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-25 17:48 +0000
                Re: zero up memory Robert Wessel <robertwessel2@yahoo.com> - 2012-01-25 12:15 -0600
                Re: zero up memory blp@cs.stanford.edu (Ben Pfaff) - 2012-01-25 10:35 -0800
                Re: zero up memory Robert Wessel <robertwessel2@yahoo.com> - 2012-01-25 17:15 -0600
                Re: zero up memory Robert Wessel <robertwessel2@yahoo.com> - 2012-01-25 17:23 -0600
                Re: zero up memory "BartC" <bc@freeuk.com> - 2012-01-25 23:51 +0000
                Re: zero up memory Robert Wessel <robertwessel2@yahoo.com> - 2012-01-26 18:35 -0600
                Re: zero up memory James Kuyper <jameskuyper@verizon.net> - 2012-01-25 13:17 -0500
          Re: zero up memory Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-23 22:55 +0000
      Re: zero up memory jgk@panix.com (Joe keane) - 2012-01-24 20:45 +0000
        Re: zero up memory Keith Thompson <kst-u@mib.org> - 2012-01-24 14:13 -0800

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