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https://issues.apache.org/jira/browse/MATH-723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phil Steitz resolved MATH-723.
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Resolution: Fixed
Fixed in r1213087.
> BitStreamGenerators (MersenneTwister, Well generators) do not clear normal
> deviate cache on setSeed
> ---------------------------------------------------------------------------------------------------
>
> Key: MATH-723
> URL: https://issues.apache.org/jira/browse/MATH-723
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 2.0, 2.1, 2.2
> Reporter: Phil Steitz
> Assignee: Phil Steitz
> Fix For: 3.0
>
>
> The BitStream generators generate normal deviates (for nextGaussian) in
> pairs, caching the last value generated. When reseeded, the cache should be
> cleared; otherwise seeding two generators with the same value is not
> guaranteed to generate the same sequence.
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