From: jbw <jbw@...>
Date: 2010-04-02T01:06:15+09:00
Subject: Re: Is there a method to set variable to NaN or Infinity?

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I read in the BigDecimal docs you can do n = BigDecimal.new('NaN'). But
i'm unfamiliar with it


On Thu, Apr 1, 2010 at 3:57 PM, Alex DeCaria
<alex.decaria@millersville.edu>wrote:

> Is there a built-in method to set a floating point value to NaN or
> Infinity?  Or, is the only way to do this by
>
> a = 0.0/0.0  #  set a to NaN
>
> b = 3.0/0.0  #  set b to Infinity
>
> c = -3.0/0.0  # set c to -Infinity
>
> Also, how can I set value to -NaN?  This is possible in other languages,
> but I can't do it in Ruby.  I've tried:
>
> a = 0.0/0.0
>
> b = -a
>
> but b still comes out NaN.
>
> --Alex
> --
> Posted via http://www.ruby-forum.com/.
>
>


-- 
jbw

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