floating point glitch
Paul Rubin
http
Sun Sep 26 05:24:35 EDT 2004
Michael Hoffman <m.h.3.9.1.without.dots.at.cam.ac.uk at example.com> writes:
> Actually, print essentialy uses str() to get the string
> representation. But repr(list) or str(list) still gets the repr() of
> each item of the list rather than the str():
>>> print .66
0.66
>>> print [.66]
[0.66000000000000003]
Yucch! Also, str is not invertible:
>>> a=.66
>>> b=a+1e-16
>>> a==b
False
>>> str(a)
'0.66'
>>> str(b)
'0.66'
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