The FenwickTree package

[ Tags: bsd3, data-structures, library ] [ Propose Tags ]

Fenwick trees are a O(log N) data structure for updating cumulative sums. This implementation comes with an operation to find a least element for which real-valued cumulative sum reaches certain value, and allows for storage of arbitrary information in the nodes.


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Versions 0.1, 0.1.1, 0.1.2, 0.1.2.1
Change log changelog
Dependencies base (>=4.0 && <5), QuickCheck (>=2.5.0.0), template-haskell [details]
License BSD3
Copyright Copyright by Michal J. Gajda '2013
Author Michal J. Gajda
Maintainer mjgajda@googlemail.com
Category Data Structures
Home page https://github.com/mgajda/FenwickTree
Bug tracker mailto:mjgajda@googlemail.com
Source repository head: git clone git://github.com:mgajda/FenwickTree.git
Uploaded Thu Mar 19 11:55:19 UTC 2015 by MichalGajda
Distributions LTSHaskell:0.1.2.1, NixOS:0.1.2.1, Stackage:0.1.2.1, Tumbleweed:0.1.2.1
Downloads 1515 total (38 in the last 30 days)
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Readme for FenwickTree-0.1.2.1

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FenwickTree

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Fenwick trees are a O(log N) data structure for updating cumulative sums. This implementation comes with an operation to find a least element for which real-valued cumulative sum reaches certain value, and allows for storage of arbitrary information in the nodes.

See description on Wikipedia.

Official releases are on Hackage.

This package is also a part of Stackage - a stable subset of Hackage.