[issue29710] Incorrect representation caveat on bitwise operation docs

[Mark Dickinson]

Mark Dickinson added the comment:

> This sentence isn't correct now that integers are always arbitrary length.

It's not really clear what that line in the docs means for Python 2, either: if values x and y both fit in an int, then so do ~x, x|y and x&y. We already assume in the Python source that the underlying representation is two's complement (no padding bits, no trap representation, etc.), so there aren't any complications from platforms where the C representation is ones' complement or sign-magnitude.

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nosy: +mark.dickinson

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<http://bugs.python.org/issue29710>
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