From: Jano Svitok <jan.svitok@...>
Date: 2007-12-18T04:16:36+09:00
Subject: Re: dividing by two and rounding up

On Dec 17, 2007 7:51 PM, Lionel Bouton <lionel-subscription@bouton.name> wrote:
> Tom Norian wrote:
> > [...]I'm thinking perhaps I could test for oddness then add one to the result
> > if odd, but that seems kinda a lot of lines for something so simple.
> >
> > half_periods = 0
> > if num_periods%2 == 1
> >   half_periods = num_periods/2 +1
> > else
> >   half_periods = num_periods/2
> > end
> >
> > Is there a better way?
> >
>
> Something like this ?

(num_periods / 2.0).ceil

or (num_periods + 1)/2 if we want to stay with integers.