Bitwise operators. Differences from javascript and PHP.
Fredrik Lundh
fredrik at pythonware.com
Fri Nov 17 05:38:14 EST 2006
John Machin wrote:
> http://theopensourcery.com/phplogic.htm
>
> "In effect the bitwise operations [words "can be" omitted, I presume]
"can only be", more likely.
> safely applied to integer variables - their effect on booleans,
> float/double or string variables can be predicted but are not really
> useful" ???
sounds like we're in
>>> v = float(4653896912)
>>> from string import pack, unpack
>>> o = unpack("i", pack("d", v)[:4])[0]
>>> (-o>>(13-3))|-2<<(32-13-1)
-212992
territory.
</F>
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