Minimal Python library for working with bit vectors natively.
Project description
Minimal Python library for working with bit vectors natively.
Purpose
This library allows programmers to work with a native representation of bit vectors within Python.
Package Installation and Usage
The package is available on PyPI:
python -m pip install bitlist
The library can be imported in the usual way:
import bitlist from bitlist import bitlist
Testing
The library comes with a number of tests:
nosetests python bitlist/bitlist.py -v
Examples
An example of usage (a bitwise addition function) is provided below:
from bitlist import bitlist def add(x, y): """Bitwise addition algorithm.""" k = len(x) l = len(y) r = bitlist(0) # Upper bound is not inclusive. # Use negative indices for big-endian interface. carry = 0 for i in range(1, max(k, l) + 1): r[-i] = (x[-i] ^ y[-i]) ^ carry carry = (x[-i] & y[-i]) | (x[-i] & carry) | (y[-i] & carry) r[-(max(k, l) + 1)] = carry
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