[issue15882] _decimal.Decimal constructed from tuple
Mark Dickinson
report at bugs.python.org
Sat Sep 8 12:54:05 CEST 2012
Mark Dickinson added the comment:
> read-only interface:
>
> x.sign -> 0 or 1 (perhaps even 1 or -1)
> x.coeff -> Python integer
> x.exp -> Python integer
The only slightly awkward thing with this (for high-precision decimals) is the quadratic conversion (well, okay, perhaps subquadratic depending on what algorithms are being used, but still ...) required to get from the decimal coefficient to a Python integer, and vice versa. It may be better to use a (byte)string of digits instead of a Python integer for the coefficient.
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