From: Gunther Diemant <g.diemant@...>
Date: 2011-12-15T07:13:01+09:00
Subject: Re: round float to integer if whole number

Possible tests:
ff.floor == ff
ff % 1 == 0

If x is always an integer i would use the mod operator ( x % w == 0
==> x/w integer)

2011/12/14 Ronnie Aa <liquid98@gmail.com>:
> Hi,
>
> I'm looking for a way to pick out the whole numbers (ff) in the function
> below:
>
>
> x = 17
> w = 4.000
>
> while x > 0
>
>  ff = x / w
>
>    if ff > 0 and ff.is_a? wholenumber
>         puts " #{ff} is a whole number"
>    end
>  x -= 1
>
> end
>
> Thanx
>
> Liquid
>
> --
> Posted via http://www.ruby-forum.com/.
>