[jira] [Resolved] (ORC-975) Avoid double counting closestFixedBits in percentileBits method

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ORC-975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun resolved ORC-975.
-------------------------------
    Fix Version/s:     (was: 1.7.0)
                   1.8.0
         Assignee: Yiqun Zhang
       Resolution: Fixed

This is resolved via https://github.com/apache/orc/pull/886

> Avoid double counting closestFixedBits in percentileBits method
> ---------------------------------------------------------------
>
>                 Key: ORC-975
>                 URL: https://issues.apache.org/jira/browse/ORC-975
>             Project: ORC
>          Issue Type: Improvement
>          Components: Java
>    Affects Versions: 1.7.0
>            Reporter: Yiqun Zhang
>            Assignee: Yiqun Zhang
>            Priority: Minor
>             Fix For: 1.8.0
>
>
> SerializationUtils
> {code:java}
> 310  int idx = encodeBitWidth(findClosestNumBits(data[i]));
> {code}
> {code:java}
> public int encodeBitWidth(int n) {
>     n = getClosestFixedBits(n);
>     .....
> }
> {code}
> {code:java}
> public int findClosestNumBits(long value) {
>   final int numBits = 64 - Long.numberOfLeadingZeros(value);
>   return getClosestFixedBits(numBits);
> }
> {code}
> getClosestFixedBits is called twice.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)