nmittler 30060b6083 Optimize IntObjectHashMap handling of negative keys.
Motivation:

The hashIndex method currently uses a conditional to handle negative
keys. This could be done without a conditional to slightly improve
performance.

Modifications:

Modified hashIndex() to avoid using a conditional.

Result:

Slight performance improvement to hashIndex().
2014-10-20 11:00:41 -07:00
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