Counting bits in large string / bit vector
casevh at gmail.com
Mon Sep 26 17:38:57 CEST 2011
On Sep 26, 12:56 am, Nizamov Shawkat <nizamov.shaw... at gmail.com>
> > Is there an equivalent command in python that would immediately provide the
> > number of set bits in a large bit vector/string
> You might be able to achieve this using numpy boolean array and, e.g,
> the arithmetic sum function or something similar.
> There is also another library http://pypi.python.org/pypi/bitarray
> which resembles numpy's bit array.
> Hope it helps,
You can also use gmpy or gmpy2.
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