Small improvements to ArrayUtil.getNextSize
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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
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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