Stefan Krah <[email protected]> added the comment:
Agreed, and it's even slightly worse with the ROUND_FLOOR special case:
>>> c.rounding = ROUND_FLOOR
>>> +Decimal("-0")
Decimal('-0')
>>>
That's why there are three slightly different methods for applying the
context:
1) context.create_decimal() ==> special case for NaN payloads.
2) context.apply() (private method) ==> no special cases at all.
3) Decimal.plus() ==> ROUND_FLOOR special case.
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<https://bugs.python.org/issue41205>
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