original_string: public function norm($id, $fieldName)
      {
          $fieldNum = $this->getFieldNum($fieldName);
  
          if ( !($this->_fields[$fieldNum]->isIndexed) ) {
              return null;
          }
  
          if (!isset($this->_norms[$fieldNum])) {
              $this->_loadNorm($fieldNum);
          }
  
          return Zend_Search_Lucene_Search_Similarity::decodeNorm( ord($this->_norms[$fieldNum][$id]) );
      }
code: public function norm($id, $fieldName)
      {
          $fieldNum = $this->getFieldNum($fieldName);
  
          if ( !($this->_fields[$fieldNum]->isIndexed) ) {
              return null;
          }
  
          if (!isset($this->_norms[$fieldNum])) {
              $this->_loadNorm($fieldNum);
          }
  
          return Zend_Search_Lucene_Search_Similarity::decodeNorm( ord($this->_norms[$fieldNum][$id]) );
      }
code_tokens: public function norm ( $ id , $ fieldName ) { $ fieldNum = $ this -> getFieldNum ( $ fieldName ) ; if ( ! ( $ this -> _fields [ $ fieldNum ] -> isIndexed ) ) { return null ; } if ( ! isset ( $ this -> _norms [ $ fieldNum ] ) ) { $ this -> _loadNorm ( $ fieldNum ) ; } return Zend_Search_Lucene_Search_Similarity :: decodeNorm ( ord ( $ this -> _norms [ $ fieldNum ] [ $ id ] ) ) ; }
docstring: Returns normalization factor for specified documents
  
  @param integer $id
  @param string $fieldName
  @return float
docstring_tokens: Returns normalization factor for specified documents