question: void decodeStats ( ) throws IOException { final int upto = ( int ) ord % INTERVAL ; final int oldBlockOrd = statsBlockOrd ; statsBlockOrd = ( int ) ord / INTERVAL ; if ( oldBlockOrd != statsBlockOrd ) { refillStats ( ) ; } state . docFreq = docFreq [ upto ] ; state . totalTermFreq = totalTermFreq [ upto ] ; }
target:  Decodes stats data into term state 