private int compareIntervals ( Interval < K > i1 , Interval < K > i2 ) { int res1 = compare ( i1 . up , i2 . low ) ; if ( res1 < 0 || res1 <= 0 && ( ! i1 . includeUpper || ! i2 . includeLower ) ) { return - 1 ; } int res2 = compare ( i2 . up , i1 . low ) ; if ( res2 < 0 || res2 <= 0 && ( ! i2 . includeUpper || ! i1 . includeLower ) ) { return 1 ; } return 0 ; }
Compare two Intervals .