helper function to make a good hash value of an integer concode_field_sep boolean[] distinctInts concode_elem_sep int numTuples concode_elem_sep int numDistinctTuples concode_field_sep double estimateSelectivity concode_elem_sep void addValue
int function ( int arg0 ) { arg0 ^= ( arg0 >>> 20 ) ^ ( arg0 >>> 12 ) ; return arg0 ^ ( arg0 >>> 7 ) ^ ( arg0 >>> 4 ) ; }