Groups > comp.lang.python > #20129

Re: round down to nearest number

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From	Ian Kelly <ian.g.kelly@gmail.com>
Date	2012-02-09 19:00 -0700
Subject	Re: round down to nearest number
Newsgroups	comp.lang.python
Message-ID	<mailman.5629.1328839269.27778.python-list@python.org> (permalink)

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On Thu, Feb 9, 2012 at 6:43 PM, Chris Rebert <clp2@rebertia.com> wrote:
> On Thu, Feb 9, 2012 at 5:23 PM, noydb <jenn.duerr@gmail.com> wrote:
>> hmmm, okay.
>>
>> So how would you round UP always?  Say the number is 3219, so you want
>> 3300 returned.
>
> http://stackoverflow.com/questions/17944/how-to-round-up-the-result-of-integer-division/96921
>
> Thus: (3219 + 99) // 100
>
> Slight tangent: Beware negative numbers when using // or %.

There's no problem with negative numbers here, as long as you actually
want to round *up* or *down*, as opposed to away from zero or toward
zero.

Thread

round down to nearest number noydb <jenn.duerr@gmail.com> - 2012-02-09 16:30 -0800
  Re: round down to nearest number Ian Kelly <ian.g.kelly@gmail.com> - 2012-02-09 17:47 -0700
    Re: round down to nearest number noydb <jenn.duerr@gmail.com> - 2012-02-09 17:23 -0800
      Re: round down to nearest number Chris Rebert <clp2@rebertia.com> - 2012-02-09 17:43 -0800
        Re: round down to nearest number Olive <diolu@bigfoot.com> - 2012-02-10 21:56 +0100
      Re: round down to nearest number Ian Kelly <ian.g.kelly@gmail.com> - 2012-02-09 19:00 -0700
        Re: round down to nearest number noydb <jenn.duerr@gmail.com> - 2012-02-09 18:25 -0800
          Re: round down to nearest number MRAB <python@mrabarnett.plus.com> - 2012-02-10 03:36 +0000
          Re: round down to nearest number Ian Kelly <ian.g.kelly@gmail.com> - 2012-02-09 23:21 -0700
          Re: round down to nearest number Arnaud Delobelle <arnodel@gmail.com> - 2012-02-10 09:58 +0000
            Re: round down to nearest number noydb <jenn.duerr@gmail.com> - 2012-02-10 09:23 -0800
          Re: round down to nearest number Alec Taylor <alec.taylor6@gmail.com> - 2012-02-10 22:05 +1100
      Re: round down to nearest number Terry Reedy <tjreedy@udel.edu> - 2012-02-09 22:29 -0500
        Re: round down to nearest number Hrvoje Niksic <hniksic@xemacs.org> - 2012-02-11 11:26 +0100
      Re: round down to nearest number MRAB <python@mrabarnett.plus.com> - 2012-02-10 03:39 +0000

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