question: protected boolean cellIntersectsMBR ( final long min , final long max ) { return ! ( Integer . compareUnsigned ( ( int ) BitUtil . deinterleave ( max ) , geoPointQuery . minX ) < 0 || Integer . compareUnsigned ( ( int ) BitUtil . deinterleave ( min ) , geoPointQuery . maxX ) > 0 || Integer . compareUnsigned ( ( int ) BitUtil . deinterleave ( max > > > 1 ) , geoPointQuery . minY ) < 0 || Integer . compareUnsigned ( ( int ) BitUtil . deinterleave ( min > > > 1 ) , geoPointQuery . maxY ) > 0 ) ; }
target:  uses encoded values to check whether quad cell intersects the shape bounding box 