Stefan Krah <[email protected]> added the comment:
You can also set the decimal.FloatOperation trap to avoid accidental
errors:
>>> from decimal import *
>>> c = getcontext()
>>> Decimal(4.6) * 100
Decimal('459.9999999999999644728632120')
>>> c.traps[FloatOperation] = True
>>> Decimal(4.6) * 100
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
decimal.FloatOperation: [<class 'decimal.FloatOperation'>]
>>> Decimal("4.6") * 100
Decimal('460.0')
>>>
----------
nosy: +skrah
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Python tracker <[email protected]>
<https://bugs.python.org/issue40206>
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