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Tue Mar 16 17:18:50 CET 2010 · https://mail.python.org/pipermail/python-dev/2010-March/098443.html

Le mardi 16 mars 2010 16:58:22, P.J. Eby a écrit :
> At 09:58 AM 3/16/2010 -0500, Facundo Batista wrote:
> >I'm +0 to allow these comparisons, being "Decimal(1) < .3" the same as
> >"Decimal(1) < Decimal.from_float(.3)"
> 
> Does Decimal.from_float() use the "shortest decimal representation"
>  approach?
> 
> If not, it might be confusing if a number that prints as '.1'
> compares unequal to Decimal('.1').

In py3k, comparing bytes and str raise a TypeError("unorderable types: bytes() 
< str()"). I like this behaviour :-)

If comparaison of Decimal and float can have "unpredictable" result, I would 
suggest the same behaviour (raise an error).

-- 
Victor Stinner
http://www.haypocalc.com/

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[Python-Dev] Decimal <-> float comparisons in py3k.