From: Phillip Gawlowski <cmdjackryan@...>
Date: 2008-03-31T21:30:31+09:00
Subject: Re: Is it me or Math::sqrt?

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Robert Klemme wrote:
| 2008/3/31, Phillip Gawlowski <cmdjackryan@googlemail.com>:
|> I've replaced ^2 with ** 2, but that doesn't seem to change the
|>  magnitude of the error (Though, the results "feels" more correct now, so
|>  thanks for that).
|
| Is this really true after Peter's response?  Looks ok to me:
|
| irb(main):001:0> Math.sqrt(3 * (16-1)**2)
| => 25.9807621135332
| irb(main):002:0> Math.sqrt(3 * (15-0)**2)
| => 25.9807621135332

Yeah, the mistake was clearly mine. Fixing my assumption helped with
fixing the bug. Though, this time the bug was a PBKAC.

A hint should've been that I needed Fixnum#abs to properly calculate the
square root required by the algorithm.

Which shows that flying solo has its dangers.

Thanks for correcting me. :)

- -- Phillip Gawlowski
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