> > + Happy to add text explaining the existence of surprises, and
> > providing a URL. Do the floating-point morons <wink> on Python-Dev
> > find this one comprehensible?:
Hey - I resemble that remark!
> > http://www.lahey.com/float.htm
I quite liked the tone of this note. The Python-dev morons probably could
make good sense of this, but only due to the relentless persistence of a
certain timbot.
If not for Tim, I would have forgotten completely about binary floating
point versus decimal floating point. IIRC, me and about 40 other guys were
desperately trying to get the attention of the single CS female on the day
that lecture was given. (Actually, that is a pretty safe bet - _all_
lectures were spent that way :)
However, without a little additional background I doubt the masses would be
able to get too far into this.
As Tim has said a few times, most people wont care - they just want it to
work!
> I was thinking more of immortalizing this one:
>
> http://www.python.org/cgi-bin/moinmoin/RepresentationError
IMO, this is a little worse. There is less "background". Eg, in almost the
first paragraph we see:
"""
Rewriting
1 J
--- ~= ----
10 2**N
"""
And I went "huh? Where did j and N spring from?". Reading a bit further
made it clear, but this document did seem a little impenetrable to floating
point or maths newbies.
It seems to me that the RepresentationError document was written for people
with a decent background in maths - exactly the sort of people who _don't_
need such a document.
Just-my-0.020000002-cents-worth ly,
Mark.
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