{-# LANGUAGE OverloadedStrings #-}
module BundledCode where

import Data.ByteString.Lazy.Char8

bUtilCode :: ByteString
bUtilCode = "{-# OPTIONS -XRank2Types -XCPP -XScopedTypeVariables #-}\nmodule BUtil where\n\nimport qualified Data.IntMap as IntMap \nimport Control.Monad \n\nimport System.IO.Unsafe\n\nimport Control.Exception\n\ndata Nat = S Nat | Z deriving (Eq)\n\ninstance Show Nat where\n  show = show . fromNat\n\ninstance Num Nat where\n  (+) = error \"No operators defined for Nat\"\n  (*) = error \"No operators defined for Nat\"\n  abs = error \"No operators defined for Nat\"\n  signum = error \"No operators defined for Nat\"\n  fromInteger n | n < 0  = error \"Nat cannot be negative\"\n                | n >= 0 = toNat n\n\ntoNat x = if x == 0 then \n              Z\n          else \n              S (toNat $ x-1)\n\nfromNat Z     = 0\nfromNat (S x) = 1 + fromNat x\n\nfromDistinctList = IntMap.fromList \n\ngen_put_bias :: Bias \n                -> (forall a. [a] -> [a]) \n                -> (Nat -> Nat -> Maybe Nat) \n                -> [a] -> [a] \n                -> Maybe [Maybe a]\ngen_put_bias bias get sput s v =\n    do { let ls = length s  \n       ; let g = fromDistinctList (zip (bias ls) s)\n       ; l' <- maybe (fail \"...\")\n                     return\n                     (sput (toNat ls) (toNat (length v)))\n       ; let t = bias (fromNat l')\n       ; let h = fromDistinctList (zip (get t) v)\n       ; let h'= IntMap.union h g \n       ; return (map (flip IntMap.lookup h') t) }\n\nwithDefaultBias put bias d s v =\n    do { s' <- put bias s v \n       ; return (map (maybe d id) s') }\n\nwithDefault put d s v =\n    do { s' <- put s v \n       ; return (map (maybe d id) s') }\n\ngen_put_dbias :: Bias -> (forall a. [a] -> [a]) \n                 -> (Nat -> Nat -> Maybe Nat)\n                 -> a -> [a] -> [a] -> Maybe [a]\ngen_put_dbias bias get sput d s v =\n    do { s' <- gen_put_bias bias get sput s v\n       ; return (map (maybe d id) s') }\n\ncastError :: a -> Maybe a \ncastError f = unsafePerformIO $ \n    do { r <- try (evaluate f)\n       ; case r of\n#if __GLASGOW_HASKELL__ >= 610 \n           Left (e::SomeException) -> return $ Nothing \n#else\n           Left  e -> return $ Nothing \n#endif\n           Right r -> return $ Just $ r }\n\ntype Bias = Int -> [ Int ]\nrear l    = [ 0 .. l - 1 ]\nfront l   = reverse [ 0 .. l - 1 ]\nmiddle l  = [1,3..l] ++ (reverse [2,4..l])\nborders l = (reverse [1,3..l])++[2,4..l]\n"