From: Minh Tran <mtgred@...>
Date: 2008-07-02T20:30:14+09:00
Subject: Arithmetic oddity

>> l = [1.0, 1.0, 2.0**0.5]
=> [1.0, 1.0, 1.4142135623731]
>> s = l.map {|e| e**2}
=> [1.0, 1.0, 2.0]
>> puts 'foo' if s[2] == s[1] + s[0]
=> nil
>> puts 'foo' if 2.0 == 1.0 + 1.0
foo
=> nil

Does anyone know why s[2] == s[1] + s[0] is false ?
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