round down to nearest number

[Ian Kelly]

On Thu, Feb 9, 2012 at 6:43 PM, Chris Rebert <clp2 at rebertia.com> wrote:
> On Thu, Feb 9, 2012 at 5:23 PM, noydb <jenn.duerr at 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.