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https://issues.apache.org/jira/browse/MATH-1124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162192#comment-14162192
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Phil Steitz commented on MATH-1124:
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Ajo - that's how we used to have things set up (sampling implementations used
to be in the .random package). Consensus was to move sampling to the
distribution classes. Lets discuss options on how to improve the
implementation on the mailing list.
> Instances of AbstractRealDistribution require a random generator.
> -----------------------------------------------------------------
>
> Key: MATH-1124
> URL: https://issues.apache.org/jira/browse/MATH-1124
> Project: Commons Math
> Issue Type: Bug
> Reporter: Ajo Fod
>
> A couple of observations:
> ... The default random generator takes a while to instantiate.
> ... Many functions of these distributions don't require a random generator.
> Generally speaking only sampling requires it.
> So, why force the default constructor to initialize with a new random
> generator ... why not use a global generic or simple generator?
> Or do away with random generator except for sampling?
> This issue was observed with the TDistribution class , but it is probably
> applicable to many classes as well.
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