From: "Thomas B." <tpreal@...>
Date: 2009-04-29T05:25:50+09:00
Subject: Re: Detecting -0.0

Thank you :)

Joel,
your answer is not very helpful as 0.0.equals?(0.0) also returns false.

Matthias,
>   irb(main):001:0> 1/-0.0 < 0
>   => true
>   irb(main):002:0> 1/0.0 < 0
>   => false
thanks, that's just the obvious thing that I have overlooked! Changing 
the difference between zeros to the difference between infinities.

TPReal.
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