From: Diogo Almeida <diogo.borges.almeida@...>
Date: 2010-07-13T22:15:40+09:00
Subject: Re: Ruby 1.9.2 float precision

Robert Klemme wrote:
> 2010/7/13 Diogo Almeida <diogo.borges.almeida@gmail.com>:
> 
> I question the validity of the test.  Expecting a particular
> formatting of a float number without giving a concrete format is at
> least fragile (as you have discovered) - I would even call it wrong.
> Different than for integers there is no common agreed way to convert
> floats to strings so if you want a particular formatting you need to
> make it part of the test.  An alternative would be a regexp match
> against \A4\.6+7\z
> 
> irb(main):001:0> /\A4\.6+7\z/ =~ (14.0/3).to_s
> => 0

Yes, I found it odd when I saw it myself. Though, since this was a 
recent change I figured someone could know how to fallback to the "old 
formatting", without having to use regex, or other alternative 
approaches.

Best regards.
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