Alex Herbert created RNG-121:
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Summary: Cheng Beta Sampler
Key: RNG-121
URL: https://issues.apache.org/jira/browse/RNG-121
Project: Commons RNG
Issue Type: Improvement
Components: sampling
Affects Versions: 1.3
Reporter: Alex Herbert
The ChengBetaSampler chooses between two algorithms on each call to the
sample() method. Each algorithm has several constants that are computed on each
call. The choice and these constants will always be the same.
Extract the two algorithms into private classes that can precompute the
constants. The main sample method can delegate to the appropriately chosen
private class implementation.
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