1 files changed, 39 insertions, 0 deletions
diff --git a/comparison/Haskell/isort-20000.hs b/comparison/Haskell/isort-20000.hs
new file mode 100644
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+++ b/comparison/Haskell/isort-20000.hs
@@ -0,0 +1,39 @@
+{-
+http://www.codecodex.com/wiki/Insertion_sort#Standard_ML
+-}
+import System.Random
+
+isort [] = []
+isort (x:xs) = insert x (isort xs)
+
+insert x [] = [x]
+insert x (y:ys) =
+  if x<=y then x:y:ys
+  else y:(insert x ys)
+  
+
+{-
+main = print $ isort [3,2,8,5]
+-}
+
+
+randomList :: Int -> IO([Int])
+randomList 0 = return []
+randomList n = do
+  r  <- randomRIO (1,10000)
+  rs <- randomList (n-1)
+  return (r:rs)
+
+
+validation [] = True
+validation (x:xs) = validation_cons x xs
+validation_cons x [] = True
+validation_cons x (y:ys) =
+  if x<=y then validation_cons y ys
+  else False
+
+
+main = do
+  list <- randomList 20000
+  let sorted = isort list
+  print (validation sorted)