From: nobu.nokada@...
Date: 2002-04-01T22:29:17+09:00
Subject: Re: Why isn't Math object-oriented?

Hi,

At Mon, 1 Apr 2002 21:49:58 +0900,
Ron Jeffries wrote:
> I'm OK with sin(x) working. I'm not OK with not being able to say
> 
>   r*theta.sin + r*theta.cos
> 
> because that's how every other similar operation would be expressed in Ruby. 
> 
> I needed to do one of these things recently. When I said 4.sqrt and it didn't
> work, I was /very/ surprised. 
> 
> The two ways are not incompatible, as far as I can see.

It's easy.

  (Math.methods - Module.methods).each do |m|
    Numeric.class_eval "def #{m}(*a) Math.#{m}(self, *a) end"
  end

-- 
Nobu Nakada