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* Use only integer math for hue comparisons.Tavian Barnes2014-03-201-18/+18
* Fix corner case in color_comparator() and clarify a comment.Tavian Barnes2014-03-201-4/+4
* Make hue sorting 3x faster by avoiding atan2() calls.Tavian Barnes2014-03-201-16/+51
* Refactor hue comparator into color.c.Tavian Barnes2014-03-111-0/+22
* Allow different color spaces to be used for similarity measurement.Tavian Barnes2014-03-111-0/+119