diff options
Diffstat (limited to 'Library/Usage.hs')
| -rw-r--r-- | Library/Usage.hs | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/Library/Usage.hs b/Library/Usage.hs index 58fb0e0..a307274 100644 --- a/Library/Usage.hs +++ b/Library/Usage.hs @@ -29,23 +29,22 @@ type UsageMap = Map Node (Map (LEdge (Int,Int)) (Int,[Int])) -- will encounter the nodes of interest through. usageMap :: PGraph -> [Node] -> Set Node -> UsageMap usageMap graph order interest = - let unionFunc = (\a b -> - Map.unionWith min a b) + let unionFunc a b = Map.unionWith min a b - addFunc = (\index prev umap edge -> + addFunc index prev umap edge = let node = snd3 edge curIn = Graph.outdeg graph (fst3 edge) prev' = (curIn - (fst . thd3 $ edge)):prev toAdd = Map.singleton node (Map.singleton edge (index,prev')) in if (Set.member node interest) then Map.unionWith unionFunc toAdd umap - else umap) + else umap - f = (\umap (index,node,prev) -> + f umap (index,node,prev) = let edgeList = Graph.out graph node sucMapList = map (f Map.empty) (map (\x -> (index, snd3 x, (length edgeList - (fst . thd3 $ x)):prev)) edgeList) umap' = foldl' (addFunc index prev) umap edgeList - in Map.unionsWith unionFunc (umap':sucMapList)) + in Map.unionsWith unionFunc (umap':sucMapList) in foldl' f Map.empty (zip3 [1..] order (repeat [])) |