"Committed_by_peb"

This commit is contained in:
peb
2005-03-29 10:17:53 +00:00
parent fcc25f0bba
commit c400db8ce7
30 changed files with 430 additions and 372 deletions

View File

@@ -5,9 +5,9 @@
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/03/14 23:45:36 $
-- > CVS $Author: krijo $
-- > CVS $Revision: 1.17 $
-- > CVS $Date: 2005/03/29 11:17:56 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.18 $
--
-- some auxiliary GF operations. AR 19\/6\/1998 -- 6\/2\/2001
--
@@ -56,7 +56,7 @@ module Operations (-- * misc functions
sortByLongest, combinations, mkTextFile, initFilePath,
-- * topological sorting with test of cyclicity
topoTest, topoSort,
topoTest, topoSort, cyclesIn,
-- * the generic fix point iterator
iterFix,
@@ -570,8 +570,7 @@ mkTextFile name = do
initFilePath :: FilePath -> FilePath
initFilePath f = reverse (dropWhile (/='/') (reverse f))
-- topological sorting with test of cyclicity
-- | topological sorting with test of cyclicity
topoTest :: Eq a => [(a,[a])] -> Either [a] [[a]]
topoTest g = if length g' == length g then Left g' else Right (cyclesIn g ++[[]])
where
@@ -591,7 +590,7 @@ cyclesIn deps = nubb $ clean $ filt $ iterFix findDep immediate where
remdup [] = []
-- | topological sorting
topoSort :: Eq a => [(a,[a])] -> [a]
topoSort g = reverse $ tsort 0 [ffs | ffs@(f,_) <- g, inDeg f == 0] [] where
tsort _ [] r = r