[Python-Dev] Re: Decimal type question [Prothon]
Andrew P. Lentvorski, Jr.
bsder at mail.allcaps.org
Mon Aug 9 21:49:12 CEST 2004
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Mon Aug 9 21:49:12 CEST 2004
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On Aug 9, 2004, at 10:29 AM, Mark Hahn wrote: > 3) A binary Float implemented with the hardware floating point with the > constant/__str__ form of +-NN.NN+-eNN such as 0e0, -123e0, 173.39e+3, > 2.35e-78, etc. Be careful defining string representations of numbers. It is a non-trivial problem to adhere to the correct internationalization standards. > There would be no automatic conversion except the / operator would > convert > from Int to Decimal Int goes to the default type of float (which is currently binary FP) already upon using the / operator. > and the Math module would convert Int and Decimal > values to Float for almost all functions (except simple ones like abs, > min, > max). This is not necessarily a good idea. Exponentials are very useful in financial situations and want to be decimals, not binary floats, in those cases. -a
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