[CHiPPS] Is This A Bug?

[化高峰]

Your Honor Processors,
        I am puzzled by some code I found in
Alps/src/AlpsSearchStrategy.h   line 82-84 and in
Alps/src/AlpsSearchStrategy.cpp line 55-58

         There are comment in AlpsSearchStrategy.h
         /** This returns true if the quality of the subtree y is better
 (the less the better) than that the subtree x. */
        virtual bool compare(AlpsSubTree * x, AlpsSubTree * y);

        While in AlpsSearchStrategy.cpp
        bool
        AlpsTreeSelectionBest::compare(AlpsSubTree * x, AlpsSubTree * y)
        {
                 return (x->getQuality() < y->getQuality());
        }

        obviously it will return true if x is better than y, is this
conflicted to AlpsSearchStrategy.h?

        Because I can`t find where the compare() is called, so I can`t make
sure if it is a bug.
        Could explain it to me? Thank you very much!

        Best Wishes.
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