Justin Hawkins justin at
Mon Feb 25 17:19:41 GMT 2008

Dan Rowles wrote:

> So my question to you is, should I report this as a bug somewhere, or 
> should I just ignore it as "floating point weirdness"?

man perlfaq4 has some answers.

In general, measuring equality of floating point numbers is asking for 
trouble. Computers hate fractions just like primary school kids.

Calculate the difference and make sure it's sufficiently small, where 
'sufficiently small' is defined by your test pass criteria :-)

	- Justin

Justin Hawkins
justin at

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