Sergey Shelukhin created HIVE-6027:
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Summary: non-vectorized log10 has rounding issue
Key: HIVE-6027
URL: https://issues.apache.org/jira/browse/HIVE-6027
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
Assignee: Sergey Shelukhin
Priority: Trivial
In HIVE-6010, I found that vectorized and non-vectorized log10 may produce
different results in the last digit of the mantissa (e.g. 7 vs 8). It turns out
that vectorized one uses Math.log10, but non-vectorized uses log/log(10). Both
should use Math.log10.
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