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


Groups > comp.lang.javascript > #25507

Re: Arithmetic compression.

From Stefan Weiss <krewecherl@gmail.com>
Newsgroups comp.lang.javascript
Subject Re: Arithmetic compression.
Date 2014-07-22 11:58 +0200
Organization albasani.net
Message-ID <lqlck0$l2b$1@news.albasani.net> (permalink)
References <a75b8873-9178-4c08-96d1-b911f9ad9ba1@googlegroups.com> <ip6ss9lb65075e7jg7ijtv3ti7jtm4a4l8@4ax.com>

Show all headers | View raw


On 2014-07-22 10:07, John Harris wrote:
> On Mon, 21 Jul 2014 13:26:27 -0700 (PDT), jonas.thornvall@gmail.com
> wrote:
> 
>>Encoding binary numbers into base-2 zeroless encoding save digit 
>>places why isn't it used is there disadvantages doing arithmetic in 
>>zeroless bases? 27 = 1 1 0 1 1 = 2 2 1 1
>   <snip>
> 
> It's not used because transistors can represent 0 and 1 in a
> non-analogue way. To represent 0, 1, and 2 you have to go analogue
> with the resulting noise, drift, etc. problems.

The bijective binary notation doesn't use zeros, only 1s and 2s.

> In other words, binary is much more robust; greater than binary is
> fragile or has to use more transistors to do the job.

Setun seemed to manage ternary just fine ;)

I guess one of the reason why the bijective notation isn't used for
digital calculations is that there is no obvious way to represent the
value 0 with on-off states.

- stefan

Back to comp.lang.javascript | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-21 13:26 -0700
  Re: Arithmetic compression. JJ <jj4public@vfemail.net> - 2014-07-22 05:01 +0700
    Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-21 15:44 -0700
      Re: Arithmetic compression. "J. Clarke" <jclarkeusenet@cox.net> - 2014-07-22 07:27 -0400
        Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 04:53 -0700
    Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-21 16:20 -0700
    Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-21 16:22 -0700
      Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-21 23:17 -0700
  Re: Arithmetic compression. John Harris <niam@jghnorth.org.uk.invalid> - 2014-07-22 09:07 +0100
    Re: Arithmetic compression. Stefan Weiss <krewecherl@gmail.com> - 2014-07-22 11:58 +0200
      Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 05:12 -0700
    Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 04:49 -0700
      Re: Arithmetic compression. John Harris <niam@jghnorth.org.uk.invalid> - 2014-07-22 15:53 +0100
        Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 08:17 -0700
          Re: Arithmetic compression. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-22 17:00 +0100
  Re: Arithmetic compression. Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-22 08:08 -0700
    Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 08:29 -0700
      Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 08:48 -0700
      Re: Arithmetic compression. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-22 17:07 +0100
        Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 09:17 -0700
          Re: Arithmetic compression. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-22 17:24 +0100
            Re: Arithmetic compression. Stefan Weiss <krewecherl@gmail.com> - 2014-07-22 22:12 +0200
              Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 16:24 -0700
              Re: Arithmetic compression. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-23 00:39 +0100
        Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 09:25 -0700
          Re: Arithmetic compression. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-22 17:30 +0100
            Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 10:45 -0700
            Re: Arithmetic compression. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-07-23 02:08 +0200
              Re: Arithmetic compression. Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-22 17:20 -0700
                Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 18:19 -0700
      Re: Arithmetic compression. Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-22 11:11 -0700
        Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 11:56 -0700
        Re: Arithmetic compression. John Harris <niam@jghnorth.org.uk.invalid> - 2014-07-23 16:15 +0100
      Re: Arithmetic compression. Tim Streater <timstreater@greenbee.net> - 2014-07-22 19:14 +0100
        Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 11:57 -0700
          Re: Arithmetic compression. Tim Streater <timstreater@greenbee.net> - 2014-07-22 21:32 +0100
            Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 16:27 -0700
            Re: Arithmetic compression. jonas.thornvall@gmail.com - 2014-07-22 16:29 -0700
  Re: Arithmetic compression. Dave Brown <0ntariokingston@gmail.com> - 2015-05-07 05:32 -0700

csiph-web