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Groups > comp.lang.c > #16383

Re: bitwise operators(info)

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: bitwise operators(info)
Date 2012-01-29 02:13 -0800
Organization None to speak of
Message-ID <lnwr8azuiv.fsf@nuthaus.mib.org> (permalink)
References (3 earlier) <42dacbf3-7657-44e2-b9b8-1be8e49651f8@t8g2000yqg.googlegroups.com> <0.e41cbc1eedd06ab4387e.20120128113315GMT.874nvg3vus.fsf@bsb.me.uk> <jg1fpk$s1q$1@dont-email.me> <0.2835a3ac4e2fe672524d.20120128224118GMT.87r4yj30xd.fsf@bsb.me.uk> <5275606b-2eef-4e1d-9bd5-7ad2b454778e@x6g2000pbk.googlegroups.com>

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Ceriousmall <divadsmall@gmail.com> writes:
> return x & (mask << ((((p & 0) | mask) & y)+1-n));
[...]

p & 0 is always 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

bitwise operators(info) Ceriousmall <divadsmall@gmail.com> - 2012-01-27 13:56 -0800
  Re: bitwise operators(info) John Gordon <gordon@panix.com> - 2012-01-27 22:03 +0000
  Re: bitwise operators(info) "Morris Keesan" <mkeesan@post.harvard.edu> - 2012-01-27 17:35 -0500
    Re: bitwise operators(info) Ceriousmall <divadsmall@gmail.com> - 2012-01-27 16:22 -0800
  Re: bitwise operators(info) Devil with the China Blue Dress <chine.bleu@yahoo.com> - 2012-01-27 16:52 -0800
    Re: bitwise operators(info) Keith Thompson <kst-u@mib.org> - 2012-01-27 17:06 -0800
      Re: bitwise operators(info) Harald van Dijk <truedfx@gmail.com> - 2012-01-27 19:06 -0800
        Re: bitwise operators(info) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-28 11:33 +0000
          Re: bitwise operators(info) James Kuyper <jameskuyper@verizon.net> - 2012-01-28 13:46 -0500
            Re: bitwise operators(info) Kaz Kylheku <kaz@kylheku.com> - 2012-01-28 19:01 +0000
            Re: bitwise operators(info) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-28 22:41 +0000
              Re: bitwise operators(info) Ceriousmall <divadsmall@gmail.com> - 2012-01-28 21:19 -0800
                Re: bitwise operators(info) Keith Thompson <kst-u@mib.org> - 2012-01-29 02:13 -0800
                Re: bitwise operators(info) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-29 14:59 +0000
                Re: bitwise operators(info) pete <pfiland@mindspring.com> - 2012-01-29 10:51 -0500
                Re: bitwise operators(info) ImpalerCore <jadill33@gmail.com> - 2012-01-30 10:25 -0800
                Re: bitwise operators(info) Ceriousmall <divadsmall@gmail.com> - 2012-01-31 06:00 -0800
                Re: bitwise operators(info) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-31 14:30 +0000
                Re: bitwise operators(info) pete <pfiland@mindspring.com> - 2012-01-31 10:06 -0500
          Re: bitwise operators(info) Harald van Dijk <truedfx@gmail.com> - 2012-01-28 12:34 -0800
      Re: bitwise operators(info) Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-01-27 22:56 -0500
        Re: bitwise operators(info) Keith Thompson <kst-u@mib.org> - 2012-01-27 20:30 -0800
          Re: bitwise operators(info) Shao Miller <sha0.miller@gmail.com> - 2012-01-29 09:27 -0500
        Re: bitwise operators(info) Kaz Kylheku <kaz@kylheku.com> - 2012-01-28 05:16 +0000
  Re: bitwise operators(info) Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2012-01-27 21:44 -0700

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