From: Gavin Sinclair <gsinclair@...>
Date: 2002-12-28T23:05:00+09:00
Subject: Re: 1210 / 100 = 12? what?

On Saturday, December 28, 2002, 8:08:55 PM, Yohanes wrote:

> class Float
>   @@tolerance = 1E-6  #adjust this as needed
>   def around?(other)
>     other = other.to_f unless other.is_a? Float
>     (other-self).abs < @@tolerance
>   end
> end
>
> YS.

A small point of order.  What's the point of this line?

      other = other.to_f unless other.is_a? Float

It would be more efficient (I believe) and certainly neater to just
call other.to_f unconditionally, viz.

  def around?(other)
    (other.to_f - self).abs < @@tolerance
  end

Cheers,
Gavin