floating point glitch

Batista, Facundo FBatista at uniFON.com.ar
Thu Sep 23 14:47:19 CEST 2004


[David O'Farrell]

#- Python 2.3.3 (#1, Mar 19 2004, 16:18:33)
#- [GCC 2.95.2 19991024 (release)] on sunos5
#- Type "help", "copyright", "credits" or "license" for more 
#- information.
#-  >>> a=[66.6, 333, 333, 1, 1234.5]
#-  >>> print a.count(333), a.count(66.6), a.count('x')
#- 2 1 0
#-  >>> a.append(333)
#-  >>> print a
#- [66.599999999999994, 333, 333, 1, 1234.5, 333]

FAQ:
http://www.python.org/doc/faq/general.html#why-are-floating-point-calculatio
ns-so-inaccurate

Tutorial: http://www.python.org/dev/doc/devel/tut/node16.html

Decimal: http://www.python.org/dev/doc/devel/whatsnew/node8.html

.	Facundo
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