[Python-Dev] Rounding float to int directly ...

M.-A. Lemburg mal at egenix.com
Wed Aug 2 14:48:13 CEST 2006


Michael Chermside wrote:
> Marc-Andre Lemburg writes:
>> You often have a need for controlled rounding when doing
>> financial calculations or [other reason snipped]
> 
> Hmm. Not in the banks _I_ have worked at! We *never* use binary
> floating point for money. The decimal class is fairly useful in
> that regard.

For accounting, I agree - banks would rather not lose too many
cents :-)

However, banks also tend to do more exotic things, esp. in investment
banking, where prices are not determined by taking the sum of a list
of values, but rather turn out to be the result of some calculus.

-- 
Marc-Andre Lemburg
eGenix.com

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