Don't compute ngrams of all names in results for exact result ratios (takes too much time)

Cloogle/DB.icl

@@ -394,7 +394,7 @@ where
 	# rn = toReal n
 	# annots =
 		[ MatchingNGramsQuery  (rn / qsize)
-		, MatchingNGramsResult (rn / toReal (max 1 $ length $ 'NGrams'.ngrams NGRAMS_CI NGRAMS_N name))
+		, MatchingNGramsResult (rn / toReal (size name))
 		]
 	= ((idx, annots), db)
 

Cloogle/Search/Rank.dcl

@@ -12,8 +12,8 @@ from Cloogle.DB import :: Annotation, :: CloogleEntry, :: CloogleDB
  * are given by this record.
  */
 :: RankSettings =
-	{ rs_matching_ngrams_q  :: !Real //* matching n-grams in the query
-	, rs_matching_ngrams_r  :: !Real //* matching n-grams in the result
+	{ rs_matching_ngrams_q  :: !Real //* ratio of matching query n-grams
+	, rs_matching_ngrams_r  :: !Real //* nr. of matching n-grams divided by the size of the result
 
 	, rs_record_field       :: !Real //* record fields
 	, rs_constructor        :: !Real //* constructors