Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c++ > #7145

Re: (simple?) problem with multiplication

Path csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!feeder.news-service.com!216.196.110.146.MISMATCH!border3.nntp.ams.giganews.com!Xl.tags.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!local2.nntp.ams.giganews.com!nntp.brightview.co.uk!news.brightview.co.uk.POSTED!not-for-mail
NNTP-Posting-Date Sat, 25 Jun 2011 02:58:02 -0500
From Gareth Owen <gwowen@gmail.com>
Newsgroups comp.lang.c++
Subject Re: (simple?) problem with multiplication
References <589f8b74-d065-44a5-ab9e-81e6a6fcd88b@v12g2000vby.googlegroups.com> <2a469bdc-e9e8-4629-b31b-00b569052409@gh5g2000vbb.googlegroups.com> <2011062413322032750-pete@versatilecodingcom> <iu2jph$1tj$1@hoshi.visyn.net>
Date Sat, 25 Jun 2011 08:58:28 +0100
Message-ID <87hb7ewdej.fsf@gmail.com> (permalink)
User-Agent Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)
Cancel-Lock sha1:wfj6fX0mKUDWp9Y+RV49E7RTXLg=
MIME-Version 1.0
Content-Type text/plain; charset=us-ascii
Lines 8
X-Usenet-Provider http://www.giganews.com
X-Trace sv3-PIdQTQwhr3ubD1T8+6nZ7TFJGdZLI4iQbfHE6JyC6ogGxEOoOWe0deH1mKcw8hvuCTkBhSOXbcntFyF!4slWY1scdJtL5JhswzJOL4UovUhrNPZ6v8+ohezaPGhJMMtVOJ+3mQjUt6TogtCrJeI=
X-Abuse-and-DMCA-Info Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info Otherwise we will be unable to process your complaint properly
X-Postfilter 1.3.40
X-Original-Bytes 1479
Xref x330-a1.tempe.blueboxinc.net comp.lang.c++:7145

Show key headers only | View raw

Kai-Uwe Bux <jkherciueh@gmx.net> writes:

> That said, a version of double-and-add for modulo arithmetic has been 
> proposed elsethread; and that version at least did assume that 2*(a%B) does 
> not overflow.

My double-and-add version did have an overflow check.  It's a simple
problem - its only the details are a pain.

Back to comp.lang.c++ | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

(simple?) problem with multiplication Ttodir <sanmrtn96@gmail.com> - 2011-06-21 11:04 -0700
  Re: (simple?) problem with multiplication Ttodir <sanmrtn96@gmail.com> - 2011-06-21 11:11 -0700
  Re: (simple?) problem with multiplication "Balog Pal" <pasa@lib.hu> - 2011-06-21 20:35 +0200
    Re: (simple?) problem with multiplication Anonymous <anonymous@no.net> - 2011-06-21 20:45 +0200
    Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-21 14:46 -0400
      Re: (simple?) problem with multiplication Ttodir <sanmrtn96@gmail.com> - 2011-06-21 12:03 -0700
        Re: (simple?) problem with multiplication Gido <gido0001@gmail.com> - 2011-06-21 14:30 -0700
          Re: (simple?) problem with multiplication Anonymous <anonymous@no.net> - 2011-06-21 23:32 +0200
          Re: (simple?) problem with multiplication Juha Nieminen <nospam@thanks.invalid> - 2011-06-23 06:33 +0000
  Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-21 14:40 -0400
  Re: (simple?) problem with multiplication Christopher <cpisz@austin.rr.com> - 2011-06-21 11:39 -0700
  Re: (simple?) problem with multiplication Anonymous <anonymous@no.net> - 2011-06-21 23:32 +0200
    Re: (simple?) problem with multiplication Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-06-21 23:41 +0200
  Re: (simple?) problem with multiplication Rune Allnor <allnor@tele.ntnu.no> - 2011-06-21 21:33 -0700
    Re: (simple?) problem with multiplication Ttodir <sanmrtn96@gmail.com> - 2011-06-22 04:59 -0700
  Re: (simple?) problem with multiplication gwowen <gwowen@gmail.com> - 2011-06-22 06:55 -0700
    Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-22 10:10 -0400
      Re: (simple?) problem with multiplication Leigh Johnston <leigh@i42.co.uk> - 2011-06-22 15:19 +0100
        Re: (simple?) problem with multiplication Dilip <rdilipk@gmail.com> - 2011-06-22 07:33 -0700
          Re: (simple?) problem with multiplication Leigh Johnston <leigh@i42.co.uk> - 2011-06-22 15:39 +0100
            Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-22 11:02 -0400
              Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-23 23:45 +0100
          Re: (simple?) problem with multiplication gwowen <gwowen@gmail.com> - 2011-06-22 23:59 -0700
      Re: (simple?) problem with multiplication gwowen <gwowen@gmail.com> - 2011-06-22 23:50 -0700
        Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-23 09:26 +0100
  Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-22 21:24 +0100
    Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-24 00:00 +0100
  Re: (simple?) problem with multiplication gwowen <gwowen@gmail.com> - 2011-06-24 01:42 -0700
    Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-24 10:47 +0100
  Re: (simple?) problem with multiplication SG <s.gesemann@gmail.com> - 2011-06-24 10:09 -0700
    Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-24 13:32 -0400
      Re: (simple?) problem with multiplication Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-06-24 20:07 +0200
        Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-24 14:14 -0400
          Re: (simple?) problem with multiplication Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-06-24 20:28 +0200
            Re: (simple?) problem with multiplication Pete Becker <pete@versatilecoding.com> - 2011-06-24 16:26 -0400
              Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-25 03:01 +0100
                Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-25 18:20 +0100
            Re: (simple?) problem with multiplication "Alf P. Steinbach /Usenet" <alf.p.steinbach+usenet@gmail.com> - 2011-06-25 04:21 +0200
            Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-25 10:12 +0100
              Re: (simple?) problem with multiplication SG <s.gesemann@gmail.com> - 2011-06-25 02:51 -0700
                Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-25 11:19 +0100
                Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-25 11:19 +0100
                Re: (simple?) problem with multiplication Gareth Owen <gwowen@gmail.com> - 2011-06-26 07:59 +0100
                Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-26 12:34 +0100
          Re: (simple?) problem with multiplication SG <s.gesemann@gmail.com> - 2011-06-25 02:37 -0700
        Re: (simple?) problem with multiplication Gareth Owen <gwowen@gmail.com> - 2011-06-25 08:58 +0100
          Re: (simple?) problem with multiplication "Paul" <pchristor@yahoo.co.uk> - 2011-06-25 10:00 +0100
          Re: (simple?) problem with multiplication Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-06-25 10:29 +0200

csiph-web