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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Created] (NUMBERS-35) Unit tests for "Digamma"
Date Mon, 08 May 2017 10:15:04 GMT
Gilles created NUMBERS-35:
-----------------------------

             Summary: Unit tests for "Digamma"
                 Key: NUMBERS-35
                 URL: https://issues.apache.org/jira/browse/NUMBERS-35
             Project: Commons Numbers
          Issue Type: Improvement
            Reporter: Gilles


None of the unit tests for class "Digamma" (in module {{commons-numbers-gamma}}) seem to exercise
the implementation up to to the indicated accuracy.

There was a typo (sign error) in the formula (according to the cited source) but all the unit
tests pass, whatever.

Thanks to Stian Soiland-Reyes for reviewing, and spotting the bug!




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