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Groups > comp.lang.python > #93302

Re: Linear time baseconversion

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.python
Subject Re: Linear time baseconversion
Followup-To comp.lang.javascript
Date 2015-06-30 01:09 +0100
Organization A noiseless patient Spider
Message-ID <87r3ouawgt.fsf@bsb.me.uk> (permalink)
References <777831f0-d4b4-48f6-ae0b-c9b1ea7ffc06@googlegroups.com> <CALwzidms2BGRjHCuLB5_uszbx9Q-rdtOob_LGHQoO3K3ZD=Q7Q@mail.gmail.com> <mailman.175.1435619500.3674.python-list@python.org>

Followups directed to: comp.lang.javascript

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Ian Kelly <ian.g.kelly@gmail.com> writes:

> On Mon, Jun 29, 2015 at 4:56 PM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
>> On Mon, Jun 29, 2015 at 4:39 PM,  <jonas.thornvall@gmail.com> wrote:
>>> http://jt.node365.se/baseconversion8.html
<snip>
> By the way, I think you have a bug. I did my time testing by
> concatenating the default input number to itself several times. At
> 5184 decimal digits, which was the last case I tried, the 58th output
> digit was 1111111, after which point the remaining 672 output digits
> are all 12665464, which seemed rather improbable.

Yes, it's a bug.  Because it's off-topic, I won't say more here but I
posted a simpler test case to comp.lang.javacript just now (10000000
converted to base 100).  I would not normally reply here, but I wanted
to acknowledge your post as prompting me to look for other cases.
Followup-to: set.

-- 
Ben.

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Thread

Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-29 15:39 -0700
  Re: Linear time baseconversion Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-29 16:56 -0600
  Re: Linear time baseconversion Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-29 17:10 -0600
    Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-29 16:23 -0700
    Re: Linear time baseconversion Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-06-30 01:09 +0100
      Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 01:52 -0700
        Re: Linear time baseconversion Christian Gollwitzer <auriocus@gmx.de> - 2015-06-30 11:07 +0200
          Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 02:20 -0700
          Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 02:34 -0700
            Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 02:43 -0700
              Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 06:22 -0700
                Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 07:13 -0700
                Re: Linear time baseconversion Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-30 09:29 -0600
          Re: Linear time baseconversion Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-30 09:45 -0600
          Re: Linear time baseconversion Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-30 09:40 -0600
            Re: Linear time baseconversion Christian Gollwitzer <auriocus@gmx.de> - 2015-07-01 00:22 +0200
          Re: Linear time baseconversion Chris Angelico <rosuav@gmail.com> - 2015-07-01 02:10 +1000
          Re: Linear time baseconversion Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-30 10:34 -0600
            Re: Linear time baseconversion Christian Gollwitzer <auriocus@gmx.de> - 2015-07-01 00:27 +0200
    Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-29 23:49 -0700
  Re: Linear time baseconversion Michael Torrie <torriem@gmail.com> - 2015-06-30 10:12 -0600
    Re: Linear time baseconversion jonas.thornvall@gmail.com - 2015-06-30 09:24 -0700
      Re: Linear time baseconversion Michael Torrie <torriem@gmail.com> - 2015-06-30 13:55 -0600

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