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From "Ajo Fod (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MATH-1124) Instances of AbstractRealDistribution require a random generator.
Date Tue, 20 May 2014 19:50:38 GMT
Ajo Fod created MATH-1124:
-----------------------------

             Summary: 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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