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https://issues.apache.org/jira/browse/LUCENE-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12801376#action_12801376
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Michael McCandless commented on LUCENE-2213:
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bq. How about if you assert that minTargetSize is not negative first, then
check if minTargetSize + extra is negative, if so, round to the largest
possible value that fits within the positive range?
That's the approach I took in the last patch.
> Small improvements to ArrayUtil.getNextSize
> -------------------------------------------
>
> Key: LUCENE-2213
> URL: https://issues.apache.org/jira/browse/LUCENE-2213
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 3.1
>
> Attachments: LUCENE-2213.patch, LUCENE-2213.patch, LUCENE-2213.patch
>
>
> Spinoff from java-dev thread "Dynamic array reallocation algorithms" started
> on Jan 12, 2010.
> Here's what I did:
> * Keep the +3 for small sizes
> * Added 2nd arg = number of bytes per element.
> * Round up to 4 or 8 byte boundary (if it's 32 or 64 bit JRE respectively)
> * Still grow by 1/8th
> * If 0 is passed in, return 0 back
> I also had to remove some asserts in tests that were checking the actual
> values returned by this method -- I don't think we should test that (it's an
> impl. detail).
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