LibDDRV
Generate discrete random variates from a set of dynamically weighted elements in Solidity using a forest of trees data structure, based on a novel algorithm laid out in a paper found in the esoteric footnotes of Knuth. Runs in iterative log time for on-chain use cases.
Install / Use
/learn @valorem-labs-inc/LibDDRVREADME
LibDDRV
Library for generating discrete random variates from a set of dynamically weighted elements in Solidity.
Based on this paper.
The algorithm preprocesses a list of weighted elements into a forest of trees data structure, and then traverses that forest to generate a random variate from the discrete distribution in sublinear time. Critically, the library supports inserting, updating, and deleting elements from the forest.
more to come
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