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Posted to dev@kylin.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2018/08/03 19:52:00 UTC

[jira] [Created] (KYLIN-3483) Imprecise comparison between double and integer division

Ted Yu created KYLIN-3483:
-----------------------------

             Summary: Imprecise comparison between double and integer division
                 Key: KYLIN-3483
                 URL: https://issues.apache.org/jira/browse/KYLIN-3483
             Project: Kylin
          Issue Type: Bug
            Reporter: Ted Yu


In HLLCSerializer :
{code}
                || averageNumOfElementsInCounter < (m - 5) / (1 + registerIndexSize)) {
{code}
The integer division on the right side of  < would lose remainder, or fractional part of the quotient.



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