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[Python-Dev] Mixing float and Decimal -- thread reboot

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Raymond Hettinger wrote:
> 
> Remember, the notion of inexactness is a taint,
> not an intrinsic property of a type.  Even the Scheme numeric
> tower recognizes this.  LIkewise, the decimal specification also
> spells-out this notion as basic to its design.

I'm not sure it really does, otherwise every decimal
value would have a flag indicating whether it was
tainted with inexactness, and this flag would propagate
through calculations.

-- 
Greg

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