Ray Dillinger scripsit:

> As an aside, I'm interested in how this function is implemented. 

It probably notices that 1/3 is the reciprocal of an integer, and applies
an exact method.  (expt 27 2/3) returns 8.999999999999998.

-- 
Let's face it: software is crap. Feature-laden and bloated, written under
tremendous time-pressure, often by incapable coders, using dangerous
languages and inadequate tools, trying to connect to heaps of broken or
obsolete protocols, implemented equally insufficiently, running on
unpredictable hardware -- we are all more than used to brokenness.
                   --Felix Winkelmann

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