fenwick
A Python library that implements Fenwick trees, based on the algorithm in (Fenwick 1994).
Features
Update a frequency in O(log n).
Retrieve a single frequency in O(log n).
Initialize existing frequencies in O(n).
Retrieve all frequencies in O(n).
Requirements
fenwick supports python>=3.6.
Linux, Mac, and Windows are supported.
Installation
fenwick is available on PyPI, the Python Package Index.
$ pip install fenwick
Documentation
See documentation.md.
Example Usage
See example.py.
Tests
Tests are in tests/.
# Run tests $ python -m unittest discover tests -v
License
The code in this repository has an MIT License.
See LICENSE.
References
Fenwick, Peter M. 1994. “A New Data Structure for Cumulative Frequency Tables.” Software: Practice and Experience 24 (3): 327–36.
1 maintainer
Metadata
1 maintainer
Release files for fenwick 0.2.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
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Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
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| fenwick-0.2.0-py2.py3-none-any.whl | Python 2, Python 3 | none | any | Details for fenwick-0.2.0-py2.py3-none-any.whl |
Total release size: 10.5 kB
Release files / fenwick-0.2.0.tar.gz
| Download URL | fenwick-0.2.0.tar.gz |
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| Size | 5.8 kB |
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| Tags | Python 2 Python 3 |
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