1 files changed, 0 insertions, 59 deletions
diff --git a/src/Data/Array/Nested/Mixed/Shape/Internal.hs b/src/Data/Array/Nested/Mixed/Shape/Internal.hs
deleted file mode 100644
index 2a86ac1..0000000
--- a/src/Data/Array/Nested/Mixed/Shape/Internal.hs
+++ /dev/null
@@ -1,59 +0,0 @@
-{-# LANGUAGE BangPatterns #-}
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE TemplateHaskell #-}
-module Data.Array.Nested.Mixed.Shape.Internal where
-
-import Language.Haskell.TH
-
-
--- | A TH stub function to avoid having to write the same code three times for
--- the three kinds of shapes.
-ixFromLinearStub :: String
-                 -> TypeQ -> TypeQ
-                 -> PatQ -> (PatQ -> PatQ -> PatQ)
-                 -> ExpQ -> ExpQ
-                 -> ExpQ
-                 -> DecsQ
-ixFromLinearStub fname' ishty ixty zshC consshC ixz ixcons shtolist = do
-  let fname = mkName fname'
-  typesig <- [t| forall i sh. Num i => $ishty sh -> Int -> $ixty sh i |]
-
-  locals <- [d|
-    -- Unfold first iteration of fromLin to do the range check.
-    -- Don't inline this function at first to allow GHC to inline the outer
-    -- function and realise that 'suffixes' is shared. But then later inline it
-    -- anyway, to avoid the function call. Removing the pragma makes GHC
-    -- somehow unable to recognise that 'suffixes' can be shared in a loop.
-    {-# NOINLINE [0] fromLin0 #-}
-    fromLin0 :: Num i => $ishty sh -> [Int] -> Int -> $ixty sh i
-    fromLin0 sh suffixes i =
-        if i < 0 then outrange sh i else
-        case (sh, suffixes) of
-          ($zshC, _) | i > 0 -> outrange sh i
-                     | otherwise -> $ixz
-          ($(consshC (varP (mkName "n")) (varP (mkName "sh'"))), suff : suffs) ->
-            let (q, r) = i `quotRem` suff
-            in if q >= n then outrange sh i else
-               $ixcons (fromIntegral q) (fromLin sh' suffs r)
-          _ -> error "impossible"
-
-    fromLin :: Num i => $ishty sh -> [Int] -> Int -> $ixty sh i
-    fromLin $zshC _ !_ = $ixz
-    fromLin ($(consshC wildP (varP (mkName "sh'")))) (suff : suffs) i =
-      let (q, r) = i `quotRem` suff  -- suff == shrSize sh'
-      in $ixcons (fromIntegral q) (fromLin sh' suffs r)
-    fromLin _ _ _ = error "impossible"
-
-    {-# NOINLINE outrange #-}
-    outrange :: $ishty sh -> Int -> a
-    outrange sh i = error $ fname' ++ ": out of range (" ++ show i ++
-                            " in array of shape " ++ show sh ++ ")" |]
-
-  body <- [|
-    \sh ->  -- give this function arity 1 so that 'suffixes' is shared when
-            -- it's called many times
-      let suffixes = drop 1 (scanr (*) 1 ($shtolist sh))
-      in fromLin0 sh suffixes |]
-
-  return [SigD fname typesig
-         ,FunD fname [Clause [] (NormalB body) locals]]