From: "Firestone, Mark - Technical Support" <mark.firestone@...>
Date: 2002-09-25T23:12:56+09:00
Subject: RE: Yet Another "Thickie" question / Random Range

Hey!  That works great!  Thanks!

Mark

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 "I must hurry back to my comic book store, where I dispense the insults
rather than absorb them."
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-----Original Message-----
From: Mike Stok [mailto:mike@stok.co.uk]
Sent: 24 September 2002 17:01
To: ruby-talk@ruby-lang.org
Subject: Re: Yet Another "Thickie" question / Random Range


In article <46487A0D3619D511BF860000F6B99827D2C5DE@PRESGGS17>, Firestone,
Mark - Technical Support wrote:

> Anyone got a good algorythm laying around for the equivalent of random()
in
> python...
> 
> as in Random(x..y) to get a random number in the range x..y

If you're talking integers then this could be the basis for something:

def random(r)
    # assume r is a range of integers first < last
    r.first + rand(r.last - r.first + (r.exclude_end? ? 0 : 1))
end

(no error checking, but 

  random(6 .. 10)  # => an integer from 6, 7, 8, 9, 10
  random(6 ... 10) # => an integer from 6, 7, 8, 9

seems reasonable to me.  I don't know what python does...)

Hope this helps,

Mike

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