Re: [Jython-users] (no subject)

[Samuele P. <ped...@bl...>]

From: "Stefan Baramov" <Ste...@tr...>


> Hello Jython Users
> 
> First, Happy new year. 
> 
> Second, Can someone explain the following result:
> 
> U:\>ver
> 
> Microsoft Windows 2000 [Version 5.00.2195]
> 
> U:\>jython
> Jython 2.1 on java1.4.1 (JIT: null)
> Type "copyright", "credits" or "license" for more information.
> >>> 0.01 + 0.01
> 0.02
> >>> 0.01 + 1.01
> 1.02
> >>> 0.01 + 2.01
> 2.0199999999999996
> >>> 0.01 + 3.01
> 3.0199999999999996
> >>>
> 
> I am especially interested why 0.01 + 2.01 comes up with such a weird
> result. Is this a issue of the JVM or Jython? 

binary floating point:

http://www.python.org/cgi-bin/faqw.py?req=show&file=faq04.098.htp