vector 0.10.12.3 → 0.11.0.0
raw patch · 36 files changed
+3842/−1937 lines, 36 filesdep ~basedep ~ghc-prim
Dependency ranges changed: base, ghc-prim
Files
- Data/Vector.hs +76/−24
- Data/Vector/Fusion/Bundle.hs +633/−0
- Data/Vector/Fusion/Bundle/Monadic.hs +1098/−0
- Data/Vector/Fusion/Bundle/Size.hs +121/−0
- Data/Vector/Fusion/Stream.hs +0/−634
- Data/Vector/Fusion/Stream/Monadic.hs +378/−254
- Data/Vector/Fusion/Stream/Size.hs +0/−87
- Data/Vector/Fusion/Util.hs +2/−2
- Data/Vector/Generic.hs +343/−292
- Data/Vector/Generic/Base.hs +3/−3
- Data/Vector/Generic/Mutable.hs +222/−110
- Data/Vector/Generic/Mutable/Base.hs +145/−0
- Data/Vector/Generic/New.hs +61/−55
- Data/Vector/Internal/Check.hs +4/−2
- Data/Vector/Mutable.hs +26/−15
- Data/Vector/Primitive.hs +14/−16
- Data/Vector/Primitive/Mutable.hs +41/−16
- Data/Vector/Storable.hs +20/−20
- Data/Vector/Storable/Internal.hs +1/−5
- Data/Vector/Storable/Mutable.hs +50/−20
- Data/Vector/Unboxed.hs +70/−18
- Data/Vector/Unboxed/Base.hs +16/−4
- Data/Vector/Unboxed/Mutable.hs +22/−8
- README.md +5/−3
- benchmarks/vector-benchmarks.cabal +2/−2
- changelog +10/−0
- include/vector.h +6/−4
- internal/GenUnboxTuple.hs +2/−2
- internal/unbox-tuple-instances +180/−145
- tests/Main.hs +2/−2
- tests/Tests/Bundle.hs +163/−0
- tests/Tests/Move.hs +0/−2
- tests/Tests/Stream.hs +0/−163
- tests/Tests/Vector.hs +24/−2
- tests/Utilities.hs +69/−14
- vector.cabal +33/−13
Data/Vector.hs view
@@ -1,4 +1,5 @@ {-# LANGUAGE CPP+ , DeriveDataTypeable , FlexibleInstances , MultiParamTypeClasses , TypeFamilies@@ -14,7 +15,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- A library for boxed vectors (that is, polymorphic arrays capable of -- holding any Haskell value). The vectors come in two flavours: --@@ -80,7 +81,7 @@ accum, accumulate, accumulate_, unsafeAccum, unsafeAccumulate, unsafeAccumulate_, - -- ** Permutations + -- ** Permutations reverse, backpermute, unsafeBackpermute, -- ** Safe destructive updates@@ -95,7 +96,7 @@ map, imap, concatMap, -- ** Monadic mapping- mapM, mapM_, forM, forM_,+ mapM, imapM, mapM_, imapM_, forM, forM_, -- ** Zipping zipWith, zipWith3, zipWith4, zipWith5, zipWith6,@@ -103,7 +104,7 @@ zip, zip3, zip4, zip5, zip6, -- ** Monadic zipping- zipWithM, zipWithM_,+ zipWithM, izipWithM, zipWithM_, izipWithM_, -- ** Unzipping unzip, unzip3, unzip4, unzip5, unzip6,@@ -131,8 +132,9 @@ minIndex, minIndexBy, maxIndex, maxIndexBy, -- ** Monadic folds- foldM, foldM', fold1M, fold1M',- foldM_, foldM'_, fold1M_, fold1M'_,+ foldM, ifoldM, foldM', ifoldM',+ fold1M, fold1M',foldM_, ifoldM_,+ foldM'_, ifoldM'_, fold1M_, fold1M'_, -- ** Monadic sequencing sequence, sequence_,@@ -160,7 +162,7 @@ import qualified Data.Vector.Generic as G import Data.Vector.Mutable ( MVector(..) ) import Data.Primitive.Array-import qualified Data.Vector.Fusion.Stream as Stream+import qualified Data.Vector.Fusion.Bundle as Bundle import Control.DeepSeq ( NFData, rnf ) import Control.Monad ( MonadPlus(..), liftM, ap )@@ -181,8 +183,6 @@ enumFromTo, enumFromThenTo, mapM, mapM_, sequence, sequence_ ) -import qualified Prelude- import Data.Typeable ( Typeable ) import Data.Data ( Data(..) ) import Text.Read ( Read(..), readListPrecDefault )@@ -193,9 +193,10 @@ import qualified Data.Traversable as Traversable #if __GLASGOW_HASKELL__ >= 708-import qualified GHC.Exts as Exts+import qualified GHC.Exts as Exts (IsList(..)) #endif + -- | Boxed vectors, supporting efficient slicing. data Vector a = Vector {-# UNPACK #-} !Int {-# UNPACK #-} !Int@@ -203,9 +204,9 @@ deriving ( Typeable ) instance NFData a => NFData (Vector a) where- rnf (Vector i n arr) = force i+ rnf (Vector i n arr) = rnfAll i where- force !ix | ix < n = rnf (indexArray arr ix) `seq` force (ix+1)+ rnfAll ix | ix < n = rnf (indexArray arr ix) `seq` rnfAll (ix+1) | otherwise = () instance Show a => Show (Vector a) where@@ -216,6 +217,7 @@ readListPrec = readListPrecDefault #if __GLASGOW_HASKELL__ >= 708+ instance Exts.IsList (Vector a) where type Item (Vector a) = a fromList = fromList@@ -257,27 +259,27 @@ -- See http://trac.haskell.org/vector/ticket/12 instance Eq a => Eq (Vector a) where {-# INLINE (==) #-}- xs == ys = Stream.eq (G.stream xs) (G.stream ys)+ xs == ys = Bundle.eq (G.stream xs) (G.stream ys) {-# INLINE (/=) #-}- xs /= ys = not (Stream.eq (G.stream xs) (G.stream ys))+ xs /= ys = not (Bundle.eq (G.stream xs) (G.stream ys)) -- See http://trac.haskell.org/vector/ticket/12 instance Ord a => Ord (Vector a) where {-# INLINE compare #-}- compare xs ys = Stream.cmp (G.stream xs) (G.stream ys)+ compare xs ys = Bundle.cmp (G.stream xs) (G.stream ys) {-# INLINE (<) #-}- xs < ys = Stream.cmp (G.stream xs) (G.stream ys) == LT+ xs < ys = Bundle.cmp (G.stream xs) (G.stream ys) == LT {-# INLINE (<=) #-}- xs <= ys = Stream.cmp (G.stream xs) (G.stream ys) /= GT+ xs <= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= GT {-# INLINE (>) #-}- xs > ys = Stream.cmp (G.stream xs) (G.stream ys) == GT+ xs > ys = Bundle.cmp (G.stream xs) (G.stream ys) == GT {-# INLINE (>=) #-}- xs >= ys = Stream.cmp (G.stream xs) (G.stream ys) /= LT+ xs >= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= LT instance Monoid (Vector a) where {-# INLINE mempty #-}@@ -300,6 +302,9 @@ {-# INLINE (>>=) #-} (>>=) = flip concatMap + {-# INLINE fail #-}+ fail _ = empty+ instance MonadPlus Vector where {-# INLINE mzero #-} mzero = empty@@ -327,7 +332,7 @@ {-# INLINE foldl #-} foldl = foldl- + {-# INLINE foldr1 #-} foldr1 = foldr1 @@ -710,7 +715,7 @@ -- > <5,9,2,7> // [(2,1),(0,3),(2,8)] = <3,9,8,7> -- (//) :: Vector a -- ^ initial vector (of length @m@)- -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) + -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) -> Vector a {-# INLINE (//) #-} (//) = (G.//)@@ -893,12 +898,24 @@ {-# INLINE mapM #-} mapM = G.mapM +-- | /O(n)/ Apply the monadic action to every element of a vector and its+-- index, yielding a vector of results+imapM :: Monad m => (Int -> a -> m b) -> Vector a -> m (Vector b)+{-# INLINE imapM #-}+imapM = G.imapM+ -- | /O(n)/ Apply the monadic action to all elements of a vector and ignore the -- results mapM_ :: Monad m => (a -> m b) -> Vector a -> m () {-# INLINE mapM_ #-} mapM_ = G.mapM_ +-- | /O(n)/ Apply the monadic action to every element of a vector and its+-- index, ignoring the results+imapM_ :: Monad m => (Int -> a -> m b) -> Vector a -> m ()+{-# INLINE imapM_ #-}+imapM_ = G.imapM_+ -- | /O(n)/ Apply the monadic action to all elements of the vector, yielding a -- vector of results. Equvalent to @flip 'mapM'@. forM :: Monad m => Vector a -> (a -> m b) -> m (Vector b)@@ -970,7 +987,7 @@ {-# INLINE izipWith6 #-} izipWith6 = G.izipWith6 --- | Elementwise pairing of array elements. +-- | Elementwise pairing of array elements. zip :: Vector a -> Vector b -> Vector (a, b) {-# INLINE zip #-} zip = G.zip@@ -1030,12 +1047,24 @@ {-# INLINE zipWithM #-} zipWithM = G.zipWithM +-- | /O(min(m,n))/ Zip the two vectors with a monadic action that also takes+-- the element index and yield a vector of results+izipWithM :: Monad m => (Int -> a -> b -> m c) -> Vector a -> Vector b -> m (Vector c)+{-# INLINE izipWithM #-}+izipWithM = G.izipWithM+ -- | /O(min(m,n))/ Zip the two vectors with the monadic action and ignore the -- results zipWithM_ :: Monad m => (a -> b -> m c) -> Vector a -> Vector b -> m () {-# INLINE zipWithM_ #-} zipWithM_ = G.zipWithM_ +-- | /O(min(m,n))/ Zip the two vectors with a monadic action that also takes+-- the element index and ignore the results+izipWithM_ :: Monad m => (Int -> a -> b -> m c) -> Vector a -> Vector b -> m ()+{-# INLINE izipWithM_ #-}+izipWithM_ = G.izipWithM_+ -- Filtering -- --------- @@ -1298,6 +1327,11 @@ {-# INLINE foldM #-} foldM = G.foldM +-- | /O(n)/ Monadic fold (action applied to each element and its index)+ifoldM :: Monad m => (a -> Int -> b -> m a) -> a -> Vector b -> m a+{-# INLINE ifoldM #-}+ifoldM = G.ifoldM+ -- | /O(n)/ Monadic fold over non-empty vectors fold1M :: Monad m => (a -> a -> m a) -> Vector a -> m a {-# INLINE fold1M #-}@@ -1308,6 +1342,12 @@ {-# INLINE foldM' #-} foldM' = G.foldM' +-- | /O(n)/ Monadic fold with strict accumulator (action applied to each+-- element and its index)+ifoldM' :: Monad m => (a -> Int -> b -> m a) -> a -> Vector b -> m a+{-# INLINE ifoldM' #-}+ifoldM' = G.ifoldM'+ -- | /O(n)/ Monadic fold over non-empty vectors with strict accumulator fold1M' :: Monad m => (a -> a -> m a) -> Vector a -> m a {-# INLINE fold1M' #-}@@ -1318,6 +1358,12 @@ {-# INLINE foldM_ #-} foldM_ = G.foldM_ +-- | /O(n)/ Monadic fold that discards the result (action applied to each+-- element and its index)+ifoldM_ :: Monad m => (a -> Int -> b -> m a) -> a -> Vector b -> m ()+{-# INLINE ifoldM_ #-}+ifoldM_ = G.ifoldM_+ -- | /O(n)/ Monadic fold over non-empty vectors that discards the result fold1M_ :: Monad m => (a -> a -> m a) -> Vector a -> m () {-# INLINE fold1M_ #-}@@ -1328,6 +1374,12 @@ {-# INLINE foldM'_ #-} foldM'_ = G.foldM'_ +-- | /O(n)/ Monadic fold with strict accumulator that discards the result+-- (action applied to each element and its index)+ifoldM'_ :: Monad m => (a -> Int -> b -> m a) -> a -> Vector b -> m ()+{-# INLINE ifoldM'_ #-}+ifoldM'_ = G.ifoldM'_+ -- | /O(n)/ Monadic fold over non-empty vectors with strict accumulator -- that discards the result fold1M'_ :: Monad m => (a -> a -> m a) -> Vector a -> m ()@@ -1391,7 +1443,7 @@ -- > yi = f y(i-1) x(i-1) -- -- Example: @scanl (+) 0 \<1,2,3,4\> = \<0,1,3,6,10\>@--- +-- scanl :: (a -> b -> a) -> a -> Vector b -> Vector a {-# INLINE scanl #-} scanl = G.scanl@@ -1514,7 +1566,7 @@ unsafeCopy :: PrimMonad m => MVector (PrimState m) a -> Vector a -> m () {-# INLINE unsafeCopy #-} unsafeCopy = G.unsafeCopy- + -- | /O(n)/ Copy an immutable vector into a mutable one. The two vectors must -- have the same length. copy :: PrimMonad m => MVector (PrimState m) a -> Vector a -> m ()
+ Data/Vector/Fusion/Bundle.hs view
@@ -0,0 +1,633 @@+{-# LANGUAGE CPP, FlexibleInstances, Rank2Types, BangPatterns #-}++-- |+-- Module : Data.Vector.Fusion.Bundle+-- Copyright : (c) Roman Leshchinskiy 2008-2010+-- License : BSD-style+--+-- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au>+-- Stability : experimental+-- Portability : non-portable+--+-- Bundles for stream fusion+--++module Data.Vector.Fusion.Bundle (+ -- * Types+ Step(..), Chunk(..), Bundle, MBundle,++ -- * In-place markers+ inplace,++ -- * Size hints+ size, sized,++ -- * Length information+ length, null,++ -- * Construction+ empty, singleton, cons, snoc, replicate, generate, (++),++ -- * Accessing individual elements+ head, last, (!!), (!?),++ -- * Substreams+ slice, init, tail, take, drop,++ -- * Mapping+ map, concatMap, flatten, unbox,++ -- * Zipping+ indexed, indexedR,+ zipWith, zipWith3, zipWith4, zipWith5, zipWith6,+ zip, zip3, zip4, zip5, zip6,++ -- * Filtering+ filter, takeWhile, dropWhile,++ -- * Searching+ elem, notElem, find, findIndex,++ -- * Folding+ foldl, foldl1, foldl', foldl1', foldr, foldr1,++ -- * Specialised folds+ and, or,++ -- * Unfolding+ unfoldr, unfoldrN, iterateN,++ -- * Scans+ prescanl, prescanl',+ postscanl, postscanl',+ scanl, scanl',+ scanl1, scanl1',++ -- * Enumerations+ enumFromStepN, enumFromTo, enumFromThenTo,++ -- * Conversions+ toList, fromList, fromListN, unsafeFromList, lift,+ fromVector, reVector, fromVectors, concatVectors,++ -- * Monadic combinators+ mapM, mapM_, zipWithM, zipWithM_, filterM, foldM, fold1M, foldM', fold1M',++ eq, cmp+) where++import Data.Vector.Generic.Base ( Vector )+import Data.Vector.Fusion.Bundle.Size+import Data.Vector.Fusion.Util+import Data.Vector.Fusion.Stream.Monadic ( Stream(..), Step(..) )+import Data.Vector.Fusion.Bundle.Monadic ( Chunk(..) )+import qualified Data.Vector.Fusion.Bundle.Monadic as M+import qualified Data.Vector.Fusion.Stream.Monadic as S++import Prelude hiding ( length, null,+ replicate, (++),+ head, last, (!!),+ init, tail, take, drop,+ map, concatMap,+ zipWith, zipWith3, zip, zip3,+ filter, takeWhile, dropWhile,+ elem, notElem,+ foldl, foldl1, foldr, foldr1,+ and, or,+ scanl, scanl1,+ enumFromTo, enumFromThenTo,+ mapM, mapM_ )++import GHC.Base ( build )++-- Data.Vector.Internal.Check is unused+#define NOT_VECTOR_MODULE+#include "vector.h"++-- | The type of pure streams+type Bundle = M.Bundle Id++-- | Alternative name for monadic streams+type MBundle = M.Bundle++inplace :: (forall m. Monad m => S.Stream m a -> S.Stream m b)+ -> (Size -> Size) -> Bundle v a -> Bundle v b+{-# INLINE_FUSED inplace #-}+inplace f g b = b `seq` M.fromStream (f (M.elements b)) (g (M.size b))++{-# RULES++"inplace/inplace [Vector]"+ forall (f1 :: forall m. Monad m => S.Stream m a -> S.Stream m a)+ (f2 :: forall m. Monad m => S.Stream m a -> S.Stream m a)+ g1 g2 s.+ inplace f1 g1 (inplace f2 g2 s) = inplace (f1 . f2) (g1 . g2) s #-}++++-- | Convert a pure stream to a monadic stream+lift :: Monad m => Bundle v a -> M.Bundle m v a+{-# INLINE_FUSED lift #-}+lift (M.Bundle (Stream step s) (Stream vstep t) v sz)+ = M.Bundle (Stream (return . unId . step) s)+ (Stream (return . unId . vstep) t) v sz++-- | 'Size' hint of a 'Bundle'+size :: Bundle v a -> Size+{-# INLINE size #-}+size = M.size++-- | Attach a 'Size' hint to a 'Bundle'+sized :: Bundle v a -> Size -> Bundle v a+{-# INLINE sized #-}+sized = M.sized++-- Length+-- ------++-- | Length of a 'Bundle'+length :: Bundle v a -> Int+{-# INLINE length #-}+length = unId . M.length++-- | Check if a 'Bundle' is empty+null :: Bundle v a -> Bool+{-# INLINE null #-}+null = unId . M.null++-- Construction+-- ------------++-- | Empty 'Bundle'+empty :: Bundle v a+{-# INLINE empty #-}+empty = M.empty++-- | Singleton 'Bundle'+singleton :: a -> Bundle v a+{-# INLINE singleton #-}+singleton = M.singleton++-- | Replicate a value to a given length+replicate :: Int -> a -> Bundle v a+{-# INLINE replicate #-}+replicate = M.replicate++-- | Generate a stream from its indices+generate :: Int -> (Int -> a) -> Bundle v a+{-# INLINE generate #-}+generate = M.generate++-- | Prepend an element+cons :: a -> Bundle v a -> Bundle v a+{-# INLINE cons #-}+cons = M.cons++-- | Append an element+snoc :: Bundle v a -> a -> Bundle v a+{-# INLINE snoc #-}+snoc = M.snoc++infixr 5 +++-- | Concatenate two 'Bundle's+(++) :: Bundle v a -> Bundle v a -> Bundle v a+{-# INLINE (++) #-}+(++) = (M.++)++-- Accessing elements+-- ------------------++-- | First element of the 'Bundle' or error if empty+head :: Bundle v a -> a+{-# INLINE head #-}+head = unId . M.head++-- | Last element of the 'Bundle' or error if empty+last :: Bundle v a -> a+{-# INLINE last #-}+last = unId . M.last++infixl 9 !!+-- | Element at the given position+(!!) :: Bundle v a -> Int -> a+{-# INLINE (!!) #-}+s !! i = unId (s M.!! i)++infixl 9 !?+-- | Element at the given position or 'Nothing' if out of bounds+(!?) :: Bundle v a -> Int -> Maybe a+{-# INLINE (!?) #-}+s !? i = unId (s M.!? i)++-- Substreams+-- ----------++-- | Extract a substream of the given length starting at the given position.+slice :: Int -- ^ starting index+ -> Int -- ^ length+ -> Bundle v a+ -> Bundle v a+{-# INLINE slice #-}+slice = M.slice++-- | All but the last element+init :: Bundle v a -> Bundle v a+{-# INLINE init #-}+init = M.init++-- | All but the first element+tail :: Bundle v a -> Bundle v a+{-# INLINE tail #-}+tail = M.tail++-- | The first @n@ elements+take :: Int -> Bundle v a -> Bundle v a+{-# INLINE take #-}+take = M.take++-- | All but the first @n@ elements+drop :: Int -> Bundle v a -> Bundle v a+{-# INLINE drop #-}+drop = M.drop++-- Mapping+-- ---------------++-- | Map a function over a 'Bundle'+map :: (a -> b) -> Bundle v a -> Bundle v b+{-# INLINE map #-}+map = M.map++unbox :: Bundle v (Box a) -> Bundle v a+{-# INLINE unbox #-}+unbox = M.unbox++concatMap :: (a -> Bundle v b) -> Bundle v a -> Bundle v b+{-# INLINE concatMap #-}+concatMap = M.concatMap++-- Zipping+-- -------++-- | Pair each element in a 'Bundle' with its index+indexed :: Bundle v a -> Bundle v (Int,a)+{-# INLINE indexed #-}+indexed = M.indexed++-- | Pair each element in a 'Bundle' with its index, starting from the right+-- and counting down+indexedR :: Int -> Bundle v a -> Bundle v (Int,a)+{-# INLINE_FUSED indexedR #-}+indexedR = M.indexedR++-- | Zip two 'Bundle's with the given function+zipWith :: (a -> b -> c) -> Bundle v a -> Bundle v b -> Bundle v c+{-# INLINE zipWith #-}+zipWith = M.zipWith++-- | Zip three 'Bundle's with the given function+zipWith3 :: (a -> b -> c -> d) -> Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+{-# INLINE zipWith3 #-}+zipWith3 = M.zipWith3++zipWith4 :: (a -> b -> c -> d -> e)+ -> Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+ -> Bundle v e+{-# INLINE zipWith4 #-}+zipWith4 = M.zipWith4++zipWith5 :: (a -> b -> c -> d -> e -> f)+ -> Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+ -> Bundle v e -> Bundle v f+{-# INLINE zipWith5 #-}+zipWith5 = M.zipWith5++zipWith6 :: (a -> b -> c -> d -> e -> f -> g)+ -> Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+ -> Bundle v e -> Bundle v f -> Bundle v g+{-# INLINE zipWith6 #-}+zipWith6 = M.zipWith6++zip :: Bundle v a -> Bundle v b -> Bundle v (a,b)+{-# INLINE zip #-}+zip = M.zip++zip3 :: Bundle v a -> Bundle v b -> Bundle v c -> Bundle v (a,b,c)+{-# INLINE zip3 #-}+zip3 = M.zip3++zip4 :: Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+ -> Bundle v (a,b,c,d)+{-# INLINE zip4 #-}+zip4 = M.zip4++zip5 :: Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+ -> Bundle v e -> Bundle v (a,b,c,d,e)+{-# INLINE zip5 #-}+zip5 = M.zip5++zip6 :: Bundle v a -> Bundle v b -> Bundle v c -> Bundle v d+ -> Bundle v e -> Bundle v f -> Bundle v (a,b,c,d,e,f)+{-# INLINE zip6 #-}+zip6 = M.zip6++-- Filtering+-- ---------++-- | Drop elements which do not satisfy the predicate+filter :: (a -> Bool) -> Bundle v a -> Bundle v a+{-# INLINE filter #-}+filter = M.filter++-- | Longest prefix of elements that satisfy the predicate+takeWhile :: (a -> Bool) -> Bundle v a -> Bundle v a+{-# INLINE takeWhile #-}+takeWhile = M.takeWhile++-- | Drop the longest prefix of elements that satisfy the predicate+dropWhile :: (a -> Bool) -> Bundle v a -> Bundle v a+{-# INLINE dropWhile #-}+dropWhile = M.dropWhile++-- Searching+-- ---------++infix 4 `elem`+-- | Check whether the 'Bundle' contains an element+elem :: Eq a => a -> Bundle v a -> Bool+{-# INLINE elem #-}+elem x = unId . M.elem x++infix 4 `notElem`+-- | Inverse of `elem`+notElem :: Eq a => a -> Bundle v a -> Bool+{-# INLINE notElem #-}+notElem x = unId . M.notElem x++-- | Yield 'Just' the first element matching the predicate or 'Nothing' if no+-- such element exists.+find :: (a -> Bool) -> Bundle v a -> Maybe a+{-# INLINE find #-}+find f = unId . M.find f++-- | Yield 'Just' the index of the first element matching the predicate or+-- 'Nothing' if no such element exists.+findIndex :: (a -> Bool) -> Bundle v a -> Maybe Int+{-# INLINE findIndex #-}+findIndex f = unId . M.findIndex f++-- Folding+-- -------++-- | Left fold+foldl :: (a -> b -> a) -> a -> Bundle v b -> a+{-# INLINE foldl #-}+foldl f z = unId . M.foldl f z++-- | Left fold on non-empty 'Bundle's+foldl1 :: (a -> a -> a) -> Bundle v a -> a+{-# INLINE foldl1 #-}+foldl1 f = unId . M.foldl1 f++-- | Left fold with strict accumulator+foldl' :: (a -> b -> a) -> a -> Bundle v b -> a+{-# INLINE foldl' #-}+foldl' f z = unId . M.foldl' f z++-- | Left fold on non-empty 'Bundle's with strict accumulator+foldl1' :: (a -> a -> a) -> Bundle v a -> a+{-# INLINE foldl1' #-}+foldl1' f = unId . M.foldl1' f++-- | Right fold+foldr :: (a -> b -> b) -> b -> Bundle v a -> b+{-# INLINE foldr #-}+foldr f z = unId . M.foldr f z++-- | Right fold on non-empty 'Bundle's+foldr1 :: (a -> a -> a) -> Bundle v a -> a+{-# INLINE foldr1 #-}+foldr1 f = unId . M.foldr1 f++-- Specialised folds+-- -----------------++and :: Bundle v Bool -> Bool+{-# INLINE and #-}+and = unId . M.and++or :: Bundle v Bool -> Bool+{-# INLINE or #-}+or = unId . M.or++-- Unfolding+-- ---------++-- | Unfold+unfoldr :: (s -> Maybe (a, s)) -> s -> Bundle v a+{-# INLINE unfoldr #-}+unfoldr = M.unfoldr++-- | Unfold at most @n@ elements+unfoldrN :: Int -> (s -> Maybe (a, s)) -> s -> Bundle v a+{-# INLINE unfoldrN #-}+unfoldrN = M.unfoldrN++-- | Apply function n-1 times to value. Zeroth element is original value.+iterateN :: Int -> (a -> a) -> a -> Bundle v a+{-# INLINE iterateN #-}+iterateN = M.iterateN++-- Scans+-- -----++-- | Prefix scan+prescanl :: (a -> b -> a) -> a -> Bundle v b -> Bundle v a+{-# INLINE prescanl #-}+prescanl = M.prescanl++-- | Prefix scan with strict accumulator+prescanl' :: (a -> b -> a) -> a -> Bundle v b -> Bundle v a+{-# INLINE prescanl' #-}+prescanl' = M.prescanl'++-- | Suffix scan+postscanl :: (a -> b -> a) -> a -> Bundle v b -> Bundle v a+{-# INLINE postscanl #-}+postscanl = M.postscanl++-- | Suffix scan with strict accumulator+postscanl' :: (a -> b -> a) -> a -> Bundle v b -> Bundle v a+{-# INLINE postscanl' #-}+postscanl' = M.postscanl'++-- | Haskell-style scan+scanl :: (a -> b -> a) -> a -> Bundle v b -> Bundle v a+{-# INLINE scanl #-}+scanl = M.scanl++-- | Haskell-style scan with strict accumulator+scanl' :: (a -> b -> a) -> a -> Bundle v b -> Bundle v a+{-# INLINE scanl' #-}+scanl' = M.scanl'++-- | Scan over a non-empty 'Bundle'+scanl1 :: (a -> a -> a) -> Bundle v a -> Bundle v a+{-# INLINE scanl1 #-}+scanl1 = M.scanl1++-- | Scan over a non-empty 'Bundle' with a strict accumulator+scanl1' :: (a -> a -> a) -> Bundle v a -> Bundle v a+{-# INLINE scanl1' #-}+scanl1' = M.scanl1'+++-- Comparisons+-- -----------++-- | Check if two 'Bundle's are equal+eq :: Eq a => Bundle v a -> Bundle v a -> Bool+{-# INLINE eq #-}+eq x y = unId (M.eq x y)++-- | Lexicographically compare two 'Bundle's+cmp :: Ord a => Bundle v a -> Bundle v a -> Ordering+{-# INLINE cmp #-}+cmp x y = unId (M.cmp x y)++instance Eq a => Eq (M.Bundle Id v a) where+ {-# INLINE (==) #-}+ (==) = eq++instance Ord a => Ord (M.Bundle Id v a) where+ {-# INLINE compare #-}+ compare = cmp++-- Monadic combinators+-- -------------------++-- | Apply a monadic action to each element of the stream, producing a monadic+-- stream of results+mapM :: Monad m => (a -> m b) -> Bundle v a -> M.Bundle m v b+{-# INLINE mapM #-}+mapM f = M.mapM f . lift++-- | Apply a monadic action to each element of the stream+mapM_ :: Monad m => (a -> m b) -> Bundle v a -> m ()+{-# INLINE mapM_ #-}+mapM_ f = M.mapM_ f . lift++zipWithM :: Monad m => (a -> b -> m c) -> Bundle v a -> Bundle v b -> M.Bundle m v c+{-# INLINE zipWithM #-}+zipWithM f as bs = M.zipWithM f (lift as) (lift bs)++zipWithM_ :: Monad m => (a -> b -> m c) -> Bundle v a -> Bundle v b -> m ()+{-# INLINE zipWithM_ #-}+zipWithM_ f as bs = M.zipWithM_ f (lift as) (lift bs)++-- | Yield a monadic stream of elements that satisfy the monadic predicate+filterM :: Monad m => (a -> m Bool) -> Bundle v a -> M.Bundle m v a+{-# INLINE filterM #-}+filterM f = M.filterM f . lift++-- | Monadic fold+foldM :: Monad m => (a -> b -> m a) -> a -> Bundle v b -> m a+{-# INLINE foldM #-}+foldM m z = M.foldM m z . lift++-- | Monadic fold over non-empty stream+fold1M :: Monad m => (a -> a -> m a) -> Bundle v a -> m a+{-# INLINE fold1M #-}+fold1M m = M.fold1M m . lift++-- | Monadic fold with strict accumulator+foldM' :: Monad m => (a -> b -> m a) -> a -> Bundle v b -> m a+{-# INLINE foldM' #-}+foldM' m z = M.foldM' m z . lift++-- | Monad fold over non-empty stream with strict accumulator+fold1M' :: Monad m => (a -> a -> m a) -> Bundle v a -> m a+{-# INLINE fold1M' #-}+fold1M' m = M.fold1M' m . lift++-- Enumerations+-- ------------++-- | Yield a 'Bundle' of the given length containing the values @x@, @x+y@,+-- @x+y+y@ etc.+enumFromStepN :: Num a => a -> a -> Int -> Bundle v a+{-# INLINE enumFromStepN #-}+enumFromStepN = M.enumFromStepN++-- | Enumerate values+--+-- /WARNING:/ This operations can be very inefficient. If at all possible, use+-- 'enumFromStepN' instead.+enumFromTo :: Enum a => a -> a -> Bundle v a+{-# INLINE enumFromTo #-}+enumFromTo = M.enumFromTo++-- | Enumerate values with a given step.+--+-- /WARNING:/ This operations is very inefficient. If at all possible, use+-- 'enumFromStepN' instead.+enumFromThenTo :: Enum a => a -> a -> a -> Bundle v a+{-# INLINE enumFromThenTo #-}+enumFromThenTo = M.enumFromThenTo++-- Conversions+-- -----------++-- | Convert a 'Bundle' to a list+toList :: Bundle v a -> [a]+{-# INLINE toList #-}+-- toList s = unId (M.toList s)+toList s = build (\c n -> toListFB c n s)++-- This supports foldr/build list fusion that GHC implements+toListFB :: (a -> b -> b) -> b -> Bundle v a -> b+{-# INLINE [0] toListFB #-}+toListFB c n M.Bundle{M.sElems = Stream step t} = go t+ where+ go s = case unId (step s) of+ Yield x s' -> x `c` go s'+ Skip s' -> go s'+ Done -> n++-- | Create a 'Bundle' from a list+fromList :: [a] -> Bundle v a+{-# INLINE fromList #-}+fromList = M.fromList++-- | Create a 'Bundle' from the first @n@ elements of a list+--+-- > fromListN n xs = fromList (take n xs)+fromListN :: Int -> [a] -> Bundle v a+{-# INLINE fromListN #-}+fromListN = M.fromListN++unsafeFromList :: Size -> [a] -> Bundle v a+{-# INLINE unsafeFromList #-}+unsafeFromList = M.unsafeFromList++fromVector :: Vector v a => v a -> Bundle v a+{-# INLINE fromVector #-}+fromVector = M.fromVector++reVector :: Bundle u a -> Bundle v a+{-# INLINE reVector #-}+reVector = M.reVector++fromVectors :: Vector v a => [v a] -> Bundle v a+{-# INLINE fromVectors #-}+fromVectors = M.fromVectors++concatVectors :: Vector v a => Bundle u (v a) -> Bundle v a+{-# INLINE concatVectors #-}+concatVectors = M.concatVectors++-- | Create a 'Bundle' of values from a 'Bundle' of streamable things+flatten :: (a -> s) -> (s -> Step s b) -> Size -> Bundle v a -> Bundle v b+{-# INLINE_FUSED flatten #-}+flatten mk istep sz = M.flatten (return . mk) (return . istep) sz . lift+
+ Data/Vector/Fusion/Bundle/Monadic.hs view
@@ -0,0 +1,1098 @@+{-# LANGUAGE CPP, ExistentialQuantification, MultiParamTypeClasses, FlexibleInstances, Rank2Types, BangPatterns, KindSignatures, GADTs, ScopedTypeVariables #-}++-- |+-- Module : Data.Vector.Fusion.Bundle.Monadic+-- Copyright : (c) Roman Leshchinskiy 2008-2010+-- License : BSD-style+--+-- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au>+-- Stability : experimental+-- Portability : non-portable+--+-- Monadic bundles.+--++module Data.Vector.Fusion.Bundle.Monadic (+ Bundle(..), Chunk(..),++ -- * Size hints+ size, sized,++ -- * Length+ length, null,++ -- * Construction+ empty, singleton, cons, snoc, replicate, replicateM, generate, generateM, (++),++ -- * Accessing elements+ head, last, (!!), (!?),++ -- * Substreams+ slice, init, tail, take, drop,++ -- * Mapping+ map, mapM, mapM_, trans, unbox, concatMap, flatten,++ -- * Zipping+ indexed, indexedR, zipWithM_,+ zipWithM, zipWith3M, zipWith4M, zipWith5M, zipWith6M,+ zipWith, zipWith3, zipWith4, zipWith5, zipWith6,+ zip, zip3, zip4, zip5, zip6,++ -- * Comparisons+ eq, cmp,++ -- * Filtering+ filter, filterM, takeWhile, takeWhileM, dropWhile, dropWhileM,++ -- * Searching+ elem, notElem, find, findM, findIndex, findIndexM,++ -- * Folding+ foldl, foldlM, foldl1, foldl1M, foldM, fold1M,+ foldl', foldlM', foldl1', foldl1M', foldM', fold1M',+ foldr, foldrM, foldr1, foldr1M,++ -- * Specialised folds+ and, or, concatMapM,++ -- * Unfolding+ unfoldr, unfoldrM,+ unfoldrN, unfoldrNM,+ iterateN, iterateNM,++ -- * Scans+ prescanl, prescanlM, prescanl', prescanlM',+ postscanl, postscanlM, postscanl', postscanlM',+ scanl, scanlM, scanl', scanlM',+ scanl1, scanl1M, scanl1', scanl1M',++ -- * Enumerations+ enumFromStepN, enumFromTo, enumFromThenTo,++ -- * Conversions+ toList, fromList, fromListN, unsafeFromList,+ fromVector, reVector, fromVectors, concatVectors,+ fromStream, chunks, elements+) where++import Data.Vector.Generic.Base+import qualified Data.Vector.Generic.Mutable.Base as M+import Data.Vector.Fusion.Bundle.Size+import Data.Vector.Fusion.Util ( Box(..), delay_inline )+import Data.Vector.Fusion.Stream.Monadic ( Stream(..), Step(..) )+import qualified Data.Vector.Fusion.Stream.Monadic as S+import Control.Monad.Primitive++import qualified Data.List as List+import Data.Char ( ord )+import GHC.Base ( unsafeChr )+import Control.Monad ( liftM )+import Prelude hiding ( length, null,+ replicate, (++),+ head, last, (!!),+ init, tail, take, drop,+ map, mapM, mapM_, concatMap,+ zipWith, zipWith3, zip, zip3,+ filter, takeWhile, dropWhile,+ elem, notElem,+ foldl, foldl1, foldr, foldr1,+ and, or,+ scanl, scanl1,+ enumFromTo, enumFromThenTo )++import Data.Int ( Int8, Int16, Int32, Int64 )+import Data.Word ( Word8, Word16, Word32, Word, Word64 )++#include "vector.h"+#include "MachDeps.h"++data Chunk v a = Chunk Int (forall m. (PrimMonad m, Vector v a) => Mutable v (PrimState m) a -> m ())++-- | Monadic streams+data Bundle m v a = Bundle { sElems :: Stream m a+ , sChunks :: Stream m (Chunk v a)+ , sVector :: Maybe (v a)+ , sSize :: Size+ }++fromStream :: Monad m => Stream m a -> Size -> Bundle m v a+{-# INLINE fromStream #-}+fromStream (Stream step t) sz = Bundle (Stream step t) (Stream step' t) Nothing sz+ where+ step' s = do r <- step s+ return $ fmap (\x -> Chunk 1 (\v -> M.basicUnsafeWrite v 0 x)) r++chunks :: Bundle m v a -> Stream m (Chunk v a)+{-# INLINE chunks #-}+chunks = sChunks++elements :: Bundle m v a -> Stream m a+{-# INLINE elements #-}+elements = sElems++-- | 'Size' hint of a 'Bundle'+size :: Bundle m v a -> Size+{-# INLINE size #-}+size = sSize++-- | Attach a 'Size' hint to a 'Bundle'+sized :: Bundle m v a -> Size -> Bundle m v a+{-# INLINE_FUSED sized #-}+sized s sz = s { sSize = sz }++-- Length+-- ------++-- | Length of a 'Bundle'+length :: Monad m => Bundle m v a -> m Int+{-# INLINE_FUSED length #-}+length Bundle{sSize = Exact n} = return n+length Bundle{sChunks = s} = S.foldl' (\n (Chunk k _) -> n+k) 0 s++-- | Check if a 'Bundle' is empty+null :: Monad m => Bundle m v a -> m Bool+{-# INLINE_FUSED null #-}+null Bundle{sSize = Exact n} = return (n == 0)+null Bundle{sChunks = s} = S.foldr (\(Chunk n _) z -> n == 0 && z) True s++-- Construction+-- ------------++-- | Empty 'Bundle'+empty :: Monad m => Bundle m v a+{-# INLINE_FUSED empty #-}+empty = fromStream S.empty (Exact 0)++-- | Singleton 'Bundle'+singleton :: Monad m => a -> Bundle m v a+{-# INLINE_FUSED singleton #-}+singleton x = fromStream (S.singleton x) (Exact 1)++-- | Replicate a value to a given length+replicate :: Monad m => Int -> a -> Bundle m v a+{-# INLINE_FUSED replicate #-}+replicate n x = Bundle (S.replicate n x)+ (S.singleton $ Chunk len (\v -> M.basicSet v x))+ Nothing+ (Exact len)+ where+ len = delay_inline max n 0++-- | Yield a 'Bundle' of values obtained by performing the monadic action the+-- given number of times+replicateM :: Monad m => Int -> m a -> Bundle m v a+{-# INLINE_FUSED replicateM #-}+-- NOTE: We delay inlining max here because GHC will create a join point for+-- the call to newArray# otherwise which is not really nice.+replicateM n p = fromStream (S.replicateM n p) (Exact (delay_inline max n 0))++generate :: Monad m => Int -> (Int -> a) -> Bundle m v a+{-# INLINE generate #-}+generate n f = generateM n (return . f)++-- | Generate a stream from its indices+generateM :: Monad m => Int -> (Int -> m a) -> Bundle m v a+{-# INLINE_FUSED generateM #-}+generateM n f = fromStream (S.generateM n f) (Exact (delay_inline max n 0))++-- | Prepend an element+cons :: Monad m => a -> Bundle m v a -> Bundle m v a+{-# INLINE cons #-}+cons x s = singleton x ++ s++-- | Append an element+snoc :: Monad m => Bundle m v a -> a -> Bundle m v a+{-# INLINE snoc #-}+snoc s x = s ++ singleton x++infixr 5 +++-- | Concatenate two 'Bundle's+(++) :: Monad m => Bundle m v a -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED (++) #-}+Bundle sa ta _ na ++ Bundle sb tb _ nb = Bundle (sa S.++ sb) (ta S.++ tb) Nothing (na + nb)++-- Accessing elements+-- ------------------++-- | First element of the 'Bundle' or error if empty+head :: Monad m => Bundle m v a -> m a+{-# INLINE_FUSED head #-}+head = S.head . sElems++-- | Last element of the 'Bundle' or error if empty+last :: Monad m => Bundle m v a -> m a+{-# INLINE_FUSED last #-}+last = S.last . sElems++infixl 9 !!+-- | Element at the given position+(!!) :: Monad m => Bundle m v a -> Int -> m a+{-# INLINE (!!) #-}+b !! i = sElems b S.!! i++infixl 9 !?+-- | Element at the given position or 'Nothing' if out of bounds+(!?) :: Monad m => Bundle m v a -> Int -> m (Maybe a)+{-# INLINE (!?) #-}+b !? i = sElems b S.!? i++-- Substreams+-- ----------++-- | Extract a substream of the given length starting at the given position.+slice :: Monad m => Int -- ^ starting index+ -> Int -- ^ length+ -> Bundle m v a+ -> Bundle m v a+{-# INLINE slice #-}+slice i n s = take n (drop i s)++-- | All but the last element+init :: Monad m => Bundle m v a -> Bundle m v a+{-# INLINE_FUSED init #-}+init Bundle{sElems = s, sSize = sz} = fromStream (S.init s) (sz-1)++-- | All but the first element+tail :: Monad m => Bundle m v a -> Bundle m v a+{-# INLINE_FUSED tail #-}+tail Bundle{sElems = s, sSize = sz} = fromStream (S.tail s) (sz-1)++-- | The first @n@ elements+take :: Monad m => Int -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED take #-}+take n Bundle{sElems = s, sSize = sz} = fromStream (S.take n s) (smaller (Exact n) sz)++-- | All but the first @n@ elements+drop :: Monad m => Int -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED drop #-}+drop n Bundle{sElems = s, sSize = sz} =+ fromStream (S.drop n s) (clampedSubtract sz (Exact n))++-- Mapping+-- -------++instance Monad m => Functor (Bundle m v) where+ {-# INLINE fmap #-}+ fmap = map++-- | Map a function over a 'Bundle'+map :: Monad m => (a -> b) -> Bundle m v a -> Bundle m v b+{-# INLINE map #-}+map f = mapM (return . f)++-- | Map a monadic function over a 'Bundle'+mapM :: Monad m => (a -> m b) -> Bundle m v a -> Bundle m v b+{-# INLINE_FUSED mapM #-}+mapM f Bundle{sElems = s, sSize = n} = fromStream (S.mapM f s) n++-- | Execute a monadic action for each element of the 'Bundle'+mapM_ :: Monad m => (a -> m b) -> Bundle m v a -> m ()+{-# INLINE_FUSED mapM_ #-}+mapM_ m = S.mapM_ m . sElems++-- | Transform a 'Bundle' to use a different monad+trans :: (Monad m, Monad m') => (forall z. m z -> m' z)+ -> Bundle m v a -> Bundle m' v a+{-# INLINE_FUSED trans #-}+trans f Bundle{sElems = s, sChunks = cs, sVector = v, sSize = n}+ = Bundle { sElems = S.trans f s, sChunks = S.trans f cs, sVector = v, sSize = n }++unbox :: Monad m => Bundle m v (Box a) -> Bundle m v a+{-# INLINE_FUSED unbox #-}+unbox Bundle{sElems = s, sSize = n} = fromStream (S.unbox s) n++-- Zipping+-- -------++-- | Pair each element in a 'Bundle' with its index+indexed :: Monad m => Bundle m v a -> Bundle m v (Int,a)+{-# INLINE_FUSED indexed #-}+indexed Bundle{sElems = s, sSize = n} = fromStream (S.indexed s) n++-- | Pair each element in a 'Bundle' with its index, starting from the right+-- and counting down+indexedR :: Monad m => Int -> Bundle m v a -> Bundle m v (Int,a)+{-# INLINE_FUSED indexedR #-}+indexedR m Bundle{sElems = s, sSize = n} = fromStream (S.indexedR m s) n++-- | Zip two 'Bundle's with the given monadic function+zipWithM :: Monad m => (a -> b -> m c) -> Bundle m v a -> Bundle m v b -> Bundle m v c+{-# INLINE_FUSED zipWithM #-}+zipWithM f Bundle{sElems = sa, sSize = na}+ Bundle{sElems = sb, sSize = nb} = fromStream (S.zipWithM f sa sb) (smaller na nb)++-- FIXME: This might expose an opportunity for inplace execution.+{-# RULES++"zipWithM xs xs [Vector.Bundle]" forall f xs.+ zipWithM f xs xs = mapM (\x -> f x x) xs #-}+++zipWithM_ :: Monad m => (a -> b -> m c) -> Bundle m v a -> Bundle m v b -> m ()+{-# INLINE zipWithM_ #-}+zipWithM_ f sa sb = S.zipWithM_ f (sElems sa) (sElems sb)++zipWith3M :: Monad m => (a -> b -> c -> m d) -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+{-# INLINE_FUSED zipWith3M #-}+zipWith3M f Bundle{sElems = sa, sSize = na}+ Bundle{sElems = sb, sSize = nb}+ Bundle{sElems = sc, sSize = nc}+ = fromStream (S.zipWith3M f sa sb sc) (smaller na (smaller nb nc))++zipWith4M :: Monad m => (a -> b -> c -> d -> m e)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e+{-# INLINE zipWith4M #-}+zipWith4M f sa sb sc sd+ = zipWithM (\(a,b) (c,d) -> f a b c d) (zip sa sb) (zip sc sd)++zipWith5M :: Monad m => (a -> b -> c -> d -> e -> m f)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e -> Bundle m v f+{-# INLINE zipWith5M #-}+zipWith5M f sa sb sc sd se+ = zipWithM (\(a,b,c) (d,e) -> f a b c d e) (zip3 sa sb sc) (zip sd se)++zipWith6M :: Monad m => (a -> b -> c -> d -> e -> f -> m g)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e -> Bundle m v f -> Bundle m v g+{-# INLINE zipWith6M #-}+zipWith6M fn sa sb sc sd se sf+ = zipWithM (\(a,b,c) (d,e,f) -> fn a b c d e f) (zip3 sa sb sc)+ (zip3 sd se sf)++zipWith :: Monad m => (a -> b -> c) -> Bundle m v a -> Bundle m v b -> Bundle m v c+{-# INLINE zipWith #-}+zipWith f = zipWithM (\a b -> return (f a b))++zipWith3 :: Monad m => (a -> b -> c -> d)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+{-# INLINE zipWith3 #-}+zipWith3 f = zipWith3M (\a b c -> return (f a b c))++zipWith4 :: Monad m => (a -> b -> c -> d -> e)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e+{-# INLINE zipWith4 #-}+zipWith4 f = zipWith4M (\a b c d -> return (f a b c d))++zipWith5 :: Monad m => (a -> b -> c -> d -> e -> f)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e -> Bundle m v f+{-# INLINE zipWith5 #-}+zipWith5 f = zipWith5M (\a b c d e -> return (f a b c d e))++zipWith6 :: Monad m => (a -> b -> c -> d -> e -> f -> g)+ -> Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e -> Bundle m v f -> Bundle m v g+{-# INLINE zipWith6 #-}+zipWith6 fn = zipWith6M (\a b c d e f -> return (fn a b c d e f))++zip :: Monad m => Bundle m v a -> Bundle m v b -> Bundle m v (a,b)+{-# INLINE zip #-}+zip = zipWith (,)++zip3 :: Monad m => Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v (a,b,c)+{-# INLINE zip3 #-}+zip3 = zipWith3 (,,)++zip4 :: Monad m => Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v (a,b,c,d)+{-# INLINE zip4 #-}+zip4 = zipWith4 (,,,)++zip5 :: Monad m => Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e -> Bundle m v (a,b,c,d,e)+{-# INLINE zip5 #-}+zip5 = zipWith5 (,,,,)++zip6 :: Monad m => Bundle m v a -> Bundle m v b -> Bundle m v c -> Bundle m v d+ -> Bundle m v e -> Bundle m v f -> Bundle m v (a,b,c,d,e,f)+{-# INLINE zip6 #-}+zip6 = zipWith6 (,,,,,)++-- Comparisons+-- -----------++-- | Check if two 'Bundle's are equal+eq :: (Monad m, Eq a) => Bundle m v a -> Bundle m v a -> m Bool+{-# INLINE_FUSED eq #-}+eq x y = sElems x `S.eq` sElems y++-- | Lexicographically compare two 'Bundle's+cmp :: (Monad m, Ord a) => Bundle m v a -> Bundle m v a -> m Ordering+{-# INLINE_FUSED cmp #-}+cmp x y = sElems x `S.cmp` sElems y++-- Filtering+-- ---------++-- | Drop elements which do not satisfy the predicate+filter :: Monad m => (a -> Bool) -> Bundle m v a -> Bundle m v a+{-# INLINE filter #-}+filter f = filterM (return . f)++-- | Drop elements which do not satisfy the monadic predicate+filterM :: Monad m => (a -> m Bool) -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED filterM #-}+filterM f Bundle{sElems = s, sSize = n} = fromStream (S.filterM f s) (toMax n)++-- | Longest prefix of elements that satisfy the predicate+takeWhile :: Monad m => (a -> Bool) -> Bundle m v a -> Bundle m v a+{-# INLINE takeWhile #-}+takeWhile f = takeWhileM (return . f)++-- | Longest prefix of elements that satisfy the monadic predicate+takeWhileM :: Monad m => (a -> m Bool) -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED takeWhileM #-}+takeWhileM f Bundle{sElems = s, sSize = n} = fromStream (S.takeWhileM f s) (toMax n)++-- | Drop the longest prefix of elements that satisfy the predicate+dropWhile :: Monad m => (a -> Bool) -> Bundle m v a -> Bundle m v a+{-# INLINE dropWhile #-}+dropWhile f = dropWhileM (return . f)++-- | Drop the longest prefix of elements that satisfy the monadic predicate+dropWhileM :: Monad m => (a -> m Bool) -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED dropWhileM #-}+dropWhileM f Bundle{sElems = s, sSize = n} = fromStream (S.dropWhileM f s) (toMax n)++-- Searching+-- ---------++infix 4 `elem`+-- | Check whether the 'Bundle' contains an element+elem :: (Monad m, Eq a) => a -> Bundle m v a -> m Bool+{-# INLINE_FUSED elem #-}+elem x = S.elem x . sElems++infix 4 `notElem`+-- | Inverse of `elem`+notElem :: (Monad m, Eq a) => a -> Bundle m v a -> m Bool+{-# INLINE notElem #-}+notElem x = S.notElem x . sElems++-- | Yield 'Just' the first element that satisfies the predicate or 'Nothing'+-- if no such element exists.+find :: Monad m => (a -> Bool) -> Bundle m v a -> m (Maybe a)+{-# INLINE find #-}+find f = findM (return . f)++-- | Yield 'Just' the first element that satisfies the monadic predicate or+-- 'Nothing' if no such element exists.+findM :: Monad m => (a -> m Bool) -> Bundle m v a -> m (Maybe a)+{-# INLINE_FUSED findM #-}+findM f = S.findM f . sElems++-- | Yield 'Just' the index of the first element that satisfies the predicate+-- or 'Nothing' if no such element exists.+findIndex :: Monad m => (a -> Bool) -> Bundle m v a -> m (Maybe Int)+{-# INLINE_FUSED findIndex #-}+findIndex f = findIndexM (return . f)++-- | Yield 'Just' the index of the first element that satisfies the monadic+-- predicate or 'Nothing' if no such element exists.+findIndexM :: Monad m => (a -> m Bool) -> Bundle m v a -> m (Maybe Int)+{-# INLINE_FUSED findIndexM #-}+findIndexM f = S.findIndexM f . sElems++-- Folding+-- -------++-- | Left fold+foldl :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> m a+{-# INLINE foldl #-}+foldl f = foldlM (\a b -> return (f a b))++-- | Left fold with a monadic operator+foldlM :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> m a+{-# INLINE_FUSED foldlM #-}+foldlM m z = S.foldlM m z . sElems++-- | Same as 'foldlM'+foldM :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> m a+{-# INLINE foldM #-}+foldM = foldlM++-- | Left fold over a non-empty 'Bundle'+foldl1 :: Monad m => (a -> a -> a) -> Bundle m v a -> m a+{-# INLINE foldl1 #-}+foldl1 f = foldl1M (\a b -> return (f a b))++-- | Left fold over a non-empty 'Bundle' with a monadic operator+foldl1M :: Monad m => (a -> a -> m a) -> Bundle m v a -> m a+{-# INLINE_FUSED foldl1M #-}+foldl1M f = S.foldl1M f . sElems++-- | Same as 'foldl1M'+fold1M :: Monad m => (a -> a -> m a) -> Bundle m v a -> m a+{-# INLINE fold1M #-}+fold1M = foldl1M++-- | Left fold with a strict accumulator+foldl' :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> m a+{-# INLINE foldl' #-}+foldl' f = foldlM' (\a b -> return (f a b))++-- | Left fold with a strict accumulator and a monadic operator+foldlM' :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> m a+{-# INLINE_FUSED foldlM' #-}+foldlM' m z = S.foldlM' m z . sElems++-- | Same as 'foldlM''+foldM' :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> m a+{-# INLINE foldM' #-}+foldM' = foldlM'++-- | Left fold over a non-empty 'Bundle' with a strict accumulator+foldl1' :: Monad m => (a -> a -> a) -> Bundle m v a -> m a+{-# INLINE foldl1' #-}+foldl1' f = foldl1M' (\a b -> return (f a b))++-- | Left fold over a non-empty 'Bundle' with a strict accumulator and a+-- monadic operator+foldl1M' :: Monad m => (a -> a -> m a) -> Bundle m v a -> m a+{-# INLINE_FUSED foldl1M' #-}+foldl1M' f = S.foldl1M' f . sElems++-- | Same as 'foldl1M''+fold1M' :: Monad m => (a -> a -> m a) -> Bundle m v a -> m a+{-# INLINE fold1M' #-}+fold1M' = foldl1M'++-- | Right fold+foldr :: Monad m => (a -> b -> b) -> b -> Bundle m v a -> m b+{-# INLINE foldr #-}+foldr f = foldrM (\a b -> return (f a b))++-- | Right fold with a monadic operator+foldrM :: Monad m => (a -> b -> m b) -> b -> Bundle m v a -> m b+{-# INLINE_FUSED foldrM #-}+foldrM f z = S.foldrM f z . sElems++-- | Right fold over a non-empty stream+foldr1 :: Monad m => (a -> a -> a) -> Bundle m v a -> m a+{-# INLINE foldr1 #-}+foldr1 f = foldr1M (\a b -> return (f a b))++-- | Right fold over a non-empty stream with a monadic operator+foldr1M :: Monad m => (a -> a -> m a) -> Bundle m v a -> m a+{-# INLINE_FUSED foldr1M #-}+foldr1M f = S.foldr1M f . sElems++-- Specialised folds+-- -----------------++and :: Monad m => Bundle m v Bool -> m Bool+{-# INLINE_FUSED and #-}+and = S.and . sElems++or :: Monad m => Bundle m v Bool -> m Bool+{-# INLINE_FUSED or #-}+or = S.or . sElems++concatMap :: Monad m => (a -> Bundle m v b) -> Bundle m v a -> Bundle m v b+{-# INLINE concatMap #-}+concatMap f = concatMapM (return . f)++concatMapM :: Monad m => (a -> m (Bundle m v b)) -> Bundle m v a -> Bundle m v b+{-# INLINE_FUSED concatMapM #-}+concatMapM f Bundle{sElems = s} = fromStream (S.concatMapM (liftM sElems . f) s) Unknown++-- | Create a 'Bundle' of values from a 'Bundle' of streamable things+flatten :: Monad m => (a -> m s) -> (s -> m (Step s b)) -> Size+ -> Bundle m v a -> Bundle m v b+{-# INLINE_FUSED flatten #-}+flatten mk istep sz Bundle{sElems = s} = fromStream (S.flatten mk istep s) sz++-- Unfolding+-- ---------++-- | Unfold+unfoldr :: Monad m => (s -> Maybe (a, s)) -> s -> Bundle m u a+{-# INLINE_FUSED unfoldr #-}+unfoldr f = unfoldrM (return . f)++-- | Unfold with a monadic function+unfoldrM :: Monad m => (s -> m (Maybe (a, s))) -> s -> Bundle m u a+{-# INLINE_FUSED unfoldrM #-}+unfoldrM f s = fromStream (S.unfoldrM f s) Unknown++-- | Unfold at most @n@ elements+unfoldrN :: Monad m => Int -> (s -> Maybe (a, s)) -> s -> Bundle m u a+{-# INLINE_FUSED unfoldrN #-}+unfoldrN n f = unfoldrNM n (return . f)++-- | Unfold at most @n@ elements with a monadic functions+unfoldrNM :: Monad m => Int -> (s -> m (Maybe (a, s))) -> s -> Bundle m u a+{-# INLINE_FUSED unfoldrNM #-}+unfoldrNM n f s = fromStream (S.unfoldrNM n f s) (Max (delay_inline max n 0))++-- | Apply monadic function n times to value. Zeroth element is original value.+iterateNM :: Monad m => Int -> (a -> m a) -> a -> Bundle m u a+{-# INLINE_FUSED iterateNM #-}+iterateNM n f x0 = fromStream (S.iterateNM n f x0) (Exact (delay_inline max n 0))++-- | Apply function n times to value. Zeroth element is original value.+iterateN :: Monad m => Int -> (a -> a) -> a -> Bundle m u a+{-# INLINE_FUSED iterateN #-}+iterateN n f x0 = iterateNM n (return . f) x0++-- Scans+-- -----++-- | Prefix scan+prescanl :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE prescanl #-}+prescanl f = prescanlM (\a b -> return (f a b))++-- | Prefix scan with a monadic operator+prescanlM :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE_FUSED prescanlM #-}+prescanlM f z Bundle{sElems = s, sSize = sz} = fromStream (S.prescanlM f z s) sz++-- | Prefix scan with strict accumulator+prescanl' :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE prescanl' #-}+prescanl' f = prescanlM' (\a b -> return (f a b))++-- | Prefix scan with strict accumulator and a monadic operator+prescanlM' :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE_FUSED prescanlM' #-}+prescanlM' f z Bundle{sElems = s, sSize = sz} = fromStream (S.prescanlM' f z s) sz++-- | Suffix scan+postscanl :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE postscanl #-}+postscanl f = postscanlM (\a b -> return (f a b))++-- | Suffix scan with a monadic operator+postscanlM :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE_FUSED postscanlM #-}+postscanlM f z Bundle{sElems = s, sSize = sz} = fromStream (S.postscanlM f z s) sz++-- | Suffix scan with strict accumulator+postscanl' :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE postscanl' #-}+postscanl' f = postscanlM' (\a b -> return (f a b))++-- | Suffix scan with strict acccumulator and a monadic operator+postscanlM' :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE_FUSED postscanlM' #-}+postscanlM' f z Bundle{sElems = s, sSize = sz} = fromStream (S.postscanlM' f z s) sz++-- | Haskell-style scan+scanl :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE scanl #-}+scanl f = scanlM (\a b -> return (f a b))++-- | Haskell-style scan with a monadic operator+scanlM :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE scanlM #-}+scanlM f z s = z `cons` postscanlM f z s++-- | Haskell-style scan with strict accumulator+scanl' :: Monad m => (a -> b -> a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE scanl' #-}+scanl' f = scanlM' (\a b -> return (f a b))++-- | Haskell-style scan with strict accumulator and a monadic operator+scanlM' :: Monad m => (a -> b -> m a) -> a -> Bundle m v b -> Bundle m v a+{-# INLINE scanlM' #-}+scanlM' f z s = z `seq` (z `cons` postscanlM f z s)++-- | Scan over a non-empty 'Bundle'+scanl1 :: Monad m => (a -> a -> a) -> Bundle m v a -> Bundle m v a+{-# INLINE scanl1 #-}+scanl1 f = scanl1M (\x y -> return (f x y))++-- | Scan over a non-empty 'Bundle' with a monadic operator+scanl1M :: Monad m => (a -> a -> m a) -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED scanl1M #-}+scanl1M f Bundle{sElems = s, sSize = sz} = fromStream (S.scanl1M f s) sz++-- | Scan over a non-empty 'Bundle' with a strict accumulator+scanl1' :: Monad m => (a -> a -> a) -> Bundle m v a -> Bundle m v a+{-# INLINE scanl1' #-}+scanl1' f = scanl1M' (\x y -> return (f x y))++-- | Scan over a non-empty 'Bundle' with a strict accumulator and a monadic+-- operator+scanl1M' :: Monad m => (a -> a -> m a) -> Bundle m v a -> Bundle m v a+{-# INLINE_FUSED scanl1M' #-}+scanl1M' f Bundle{sElems = s, sSize = sz} = fromStream (S.scanl1M' f s) sz++-- Enumerations+-- ------------++-- The Enum class is broken for this, there just doesn't seem to be a+-- way to implement this generically. We have to specialise for as many types+-- as we can but this doesn't help in polymorphic loops.++-- | Yield a 'Bundle' of the given length containing the values @x@, @x+y@,+-- @x+y+y@ etc.+enumFromStepN :: (Num a, Monad m) => a -> a -> Int -> Bundle m v a+{-# INLINE_FUSED enumFromStepN #-}+enumFromStepN x y n = fromStream (S.enumFromStepN x y n) (Exact (delay_inline max n 0))++-- | Enumerate values+--+-- /WARNING:/ This operation can be very inefficient. If at all possible, use+-- 'enumFromStepN' instead.+enumFromTo :: (Enum a, Monad m) => a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromTo #-}+enumFromTo x y = fromList [x .. y]++-- NOTE: We use (x+1) instead of (succ x) below because the latter checks for+-- overflow which can't happen here.++-- FIXME: add "too large" test for Int+enumFromTo_small :: (Integral a, Monad m) => a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromTo_small #-}+enumFromTo_small x y = x `seq` y `seq` fromStream (Stream step x) (Exact n)+ where+ n = delay_inline max (fromIntegral y - fromIntegral x + 1) 0++ {-# INLINE_INNER step #-}+ step z | z <= y = return $ Yield z (z+1)+ | otherwise = return $ Done++{-# RULES++"enumFromTo<Int8> [Bundle]"+ enumFromTo = enumFromTo_small :: Monad m => Int8 -> Int8 -> Bundle m v Int8++"enumFromTo<Int16> [Bundle]"+ enumFromTo = enumFromTo_small :: Monad m => Int16 -> Int16 -> Bundle m v Int16++"enumFromTo<Word8> [Bundle]"+ enumFromTo = enumFromTo_small :: Monad m => Word8 -> Word8 -> Bundle m v Word8++"enumFromTo<Word16> [Bundle]"+ enumFromTo = enumFromTo_small :: Monad m => Word16 -> Word16 -> Bundle m v Word16 #-}++++#if WORD_SIZE_IN_BITS > 32++{-# RULES++"enumFromTo<Int32> [Bundle]"+ enumFromTo = enumFromTo_small :: Monad m => Int32 -> Int32 -> Bundle m v Int32++"enumFromTo<Word32> [Bundle]"+ enumFromTo = enumFromTo_small :: Monad m => Word32 -> Word32 -> Bundle m v Word32 #-}++#endif++-- NOTE: We could implement a generic "too large" test:+--+-- len x y | x > y = 0+-- | n > 0 && n <= fromIntegral (maxBound :: Int) = fromIntegral n+-- | otherwise = error+-- where+-- n = y-x+1+--+-- Alas, GHC won't eliminate unnecessary comparisons (such as n >= 0 for+-- unsigned types). See http://hackage.haskell.org/trac/ghc/ticket/3744+--++enumFromTo_int :: forall m v. Monad m => Int -> Int -> Bundle m v Int+{-# INLINE_FUSED enumFromTo_int #-}+enumFromTo_int x y = x `seq` y `seq` fromStream (Stream step x) (Exact (len x y))+ where+ {-# INLINE [0] len #-}+ len :: Int -> Int -> Int+ len u v | u > v = 0+ | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"+ (n > 0)+ $ n+ where+ n = v-u+1++ {-# INLINE_INNER step #-}+ step z | z <= y = return $ Yield z (z+1)+ | otherwise = return $ Done++enumFromTo_intlike :: (Integral a, Monad m) => a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromTo_intlike #-}+enumFromTo_intlike x y = x `seq` y `seq` fromStream (Stream step x) (Exact (len x y))+ where+ {-# INLINE [0] len #-}+ len u v | u > v = 0+ | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"+ (n > 0)+ $ fromIntegral n+ where+ n = v-u+1++ {-# INLINE_INNER step #-}+ step z | z <= y = return $ Yield z (z+1)+ | otherwise = return $ Done++{-# RULES++"enumFromTo<Int> [Bundle]"+ enumFromTo = enumFromTo_int :: Monad m => Int -> Int -> Bundle m v Int++#if WORD_SIZE_IN_BITS > 32++"enumFromTo<Int64> [Bundle]"+ enumFromTo = enumFromTo_intlike :: Monad m => Int64 -> Int64 -> Bundle m v Int64 #-}++#else++"enumFromTo<Int32> [Bundle]"+ enumFromTo = enumFromTo_intlike :: Monad m => Int32 -> Int32 -> Bundle m v Int32 #-}++#endif++++enumFromTo_big_word :: (Integral a, Monad m) => a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromTo_big_word #-}+enumFromTo_big_word x y = x `seq` y `seq` fromStream (Stream step x) (Exact (len x y))+ where+ {-# INLINE [0] len #-}+ len u v | u > v = 0+ | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"+ (n < fromIntegral (maxBound :: Int))+ $ fromIntegral (n+1)+ where+ n = v-u++ {-# INLINE_INNER step #-}+ step z | z <= y = return $ Yield z (z+1)+ | otherwise = return $ Done++{-# RULES++"enumFromTo<Word> [Bundle]"+ enumFromTo = enumFromTo_big_word :: Monad m => Word -> Word -> Bundle m v Word++"enumFromTo<Word64> [Bundle]"+ enumFromTo = enumFromTo_big_word+ :: Monad m => Word64 -> Word64 -> Bundle m v Word64++#if WORD_SIZE_IN_BITS == 32++"enumFromTo<Word32> [Bundle]"+ enumFromTo = enumFromTo_big_word+ :: Monad m => Word32 -> Word32 -> Bundle m v Word32++#endif++"enumFromTo<Integer> [Bundle]"+ enumFromTo = enumFromTo_big_word+ :: Monad m => Integer -> Integer -> Bundle m v Integer #-}++++-- FIXME: the "too large" test is totally wrong+enumFromTo_big_int :: (Integral a, Monad m) => a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromTo_big_int #-}+enumFromTo_big_int x y = x `seq` y `seq` fromStream (Stream step x) (Exact (len x y))+ where+ {-# INLINE [0] len #-}+ len u v | u > v = 0+ | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"+ (n > 0 && n <= fromIntegral (maxBound :: Int))+ $ fromIntegral n+ where+ n = v-u+1++ {-# INLINE_INNER step #-}+ step z | z <= y = return $ Yield z (z+1)+ | otherwise = return $ Done++#if WORD_SIZE_IN_BITS > 32++{-# RULES++"enumFromTo<Int64> [Bundle]"+ enumFromTo = enumFromTo_big_int :: Monad m => Int64 -> Int64 -> Bundle m v Int64 #-}++++#endif++enumFromTo_char :: Monad m => Char -> Char -> Bundle m v Char+{-# INLINE_FUSED enumFromTo_char #-}+enumFromTo_char x y = x `seq` y `seq` fromStream (Stream step xn) (Exact n)+ where+ xn = ord x+ yn = ord y++ n = delay_inline max 0 (yn - xn + 1)++ {-# INLINE_INNER step #-}+ step zn | zn <= yn = return $ Yield (unsafeChr zn) (zn+1)+ | otherwise = return $ Done++{-# RULES++"enumFromTo<Char> [Bundle]"+ enumFromTo = enumFromTo_char #-}++++------------------------------------------------------------------------++-- Specialise enumFromTo for Float and Double.+-- Also, try to do something about pairs?++enumFromTo_double :: (Monad m, Ord a, RealFrac a) => a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromTo_double #-}+enumFromTo_double n m = n `seq` m `seq` fromStream (Stream step n) (Max (len n lim))+ where+ lim = m + 1/2 -- important to float out++ {-# INLINE [0] len #-}+ len x y | x > y = 0+ | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"+ (l > 0)+ $ fromIntegral l+ where+ l :: Integer+ l = truncate (y-x)+2++ {-# INLINE_INNER step #-}+ step x | x <= lim = return $ Yield x (x+1)+ | otherwise = return $ Done++{-# RULES++"enumFromTo<Double> [Bundle]"+ enumFromTo = enumFromTo_double :: Monad m => Double -> Double -> Bundle m v Double++"enumFromTo<Float> [Bundle]"+ enumFromTo = enumFromTo_double :: Monad m => Float -> Float -> Bundle m v Float #-}++++------------------------------------------------------------------------++-- | Enumerate values with a given step.+--+-- /WARNING:/ This operation is very inefficient. If at all possible, use+-- 'enumFromStepN' instead.+enumFromThenTo :: (Enum a, Monad m) => a -> a -> a -> Bundle m v a+{-# INLINE_FUSED enumFromThenTo #-}+enumFromThenTo x y z = fromList [x, y .. z]++-- FIXME: Specialise enumFromThenTo.++-- Conversions+-- -----------++-- | Convert a 'Bundle' to a list+toList :: Monad m => Bundle m v a -> m [a]+{-# INLINE toList #-}+toList = foldr (:) []++-- | Convert a list to a 'Bundle'+fromList :: Monad m => [a] -> Bundle m v a+{-# INLINE fromList #-}+fromList xs = unsafeFromList Unknown xs++-- | Convert the first @n@ elements of a list to a 'Bundle'+fromListN :: Monad m => Int -> [a] -> Bundle m v a+{-# INLINE_FUSED fromListN #-}+fromListN n xs = fromStream (S.fromListN n xs) (Max (delay_inline max n 0))++-- | Convert a list to a 'Bundle' with the given 'Size' hint.+unsafeFromList :: Monad m => Size -> [a] -> Bundle m v a+{-# INLINE_FUSED unsafeFromList #-}+unsafeFromList sz xs = fromStream (S.fromList xs) sz++fromVector :: (Monad m, Vector v a) => v a -> Bundle m v a+{-# INLINE_FUSED fromVector #-}+fromVector v = v `seq` n `seq` Bundle (Stream step 0)+ (Stream vstep True)+ (Just v)+ (Exact n)+ where+ n = basicLength v++ {-# INLINE step #-}+ step i | i >= n = return Done+ | otherwise = case basicUnsafeIndexM v i of+ Box x -> return $ Yield x (i+1)+++ {-# INLINE vstep #-}+ vstep True = return (Yield (Chunk (basicLength v) (\mv -> basicUnsafeCopy mv v)) False)+ vstep False = return Done++fromVectors :: forall m v a. (Monad m, Vector v a) => [v a] -> Bundle m v a+{-# INLINE_FUSED fromVectors #-}+fromVectors us = Bundle (Stream pstep (Left us))+ (Stream vstep us)+ Nothing+ (Exact n)+ where+ n = List.foldl' (\k v -> k + basicLength v) 0 us++ pstep (Left []) = return Done+ pstep (Left (v:vs)) = basicLength v `seq` return (Skip (Right (v,0,vs)))++ pstep (Right (v,i,vs))+ | i >= basicLength v = return $ Skip (Left vs)+ | otherwise = case basicUnsafeIndexM v i of+ Box x -> return $ Yield x (Right (v,i+1,vs))++ -- FIXME: work around bug in GHC 7.6.1+ vstep :: [v a] -> m (Step [v a] (Chunk v a))+ vstep [] = return Done+ vstep (v:vs) = return $ Yield (Chunk (basicLength v)+ (\mv -> INTERNAL_CHECK(check) "concatVectors" "length mismatch"+ (M.basicLength mv == basicLength v)+ $ basicUnsafeCopy mv v)) vs+++concatVectors :: (Monad m, Vector v a) => Bundle m u (v a) -> Bundle m v a+{-# INLINE_FUSED concatVectors #-}+concatVectors Bundle{sElems = Stream step t}+ = Bundle (Stream pstep (Left t))+ (Stream vstep t)+ Nothing+ Unknown+ where+ pstep (Left s) = do+ r <- step s+ case r of+ Yield v s' -> basicLength v `seq` return (Skip (Right (v,0,s')))+ Skip s' -> return (Skip (Left s'))+ Done -> return Done++ pstep (Right (v,i,s))+ | i >= basicLength v = return (Skip (Left s))+ | otherwise = case basicUnsafeIndexM v i of+ Box x -> return (Yield x (Right (v,i+1,s)))+++ vstep s = do+ r <- step s+ case r of+ Yield v s' -> return (Yield (Chunk (basicLength v)+ (\mv -> INTERNAL_CHECK(check) "concatVectors" "length mismatch"+ (M.basicLength mv == basicLength v)+ $ basicUnsafeCopy mv v)) s')+ Skip s' -> return (Skip s')+ Done -> return Done++reVector :: Monad m => Bundle m u a -> Bundle m v a+{-# INLINE_FUSED reVector #-}+reVector Bundle{sElems = s, sSize = n} = fromStream s n++{-# RULES++"reVector [Vector]"+ reVector = id++"reVector/reVector [Vector]" forall s.+ reVector (reVector s) = s #-}+++
+ Data/Vector/Fusion/Bundle/Size.hs view
@@ -0,0 +1,121 @@+-- |+-- Module : Data.Vector.Fusion.Bundle.Size+-- Copyright : (c) Roman Leshchinskiy 2008-2010+-- License : BSD-style+--+-- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au>+-- Stability : experimental+-- Portability : portable+--+-- Size hints for streams.+--++module Data.Vector.Fusion.Bundle.Size (+ Size(..), clampedSubtract, smaller, larger, toMax, upperBound, lowerBound+) where++import Data.Vector.Fusion.Util ( delay_inline )++-- | Size hint+data Size = Exact Int -- ^ Exact size+ | Max Int -- ^ Upper bound on the size+ | Unknown -- ^ Unknown size+ deriving( Eq, Show )++instance Num Size where+ Exact m + Exact n = checkedAdd Exact m n+ Exact m + Max n = checkedAdd Max m n++ Max m + Exact n = checkedAdd Max m n+ Max m + Max n = checkedAdd Max m n++ _ + _ = Unknown+++ Exact m - Exact n = checkedSubtract Exact m n+ Exact m - Max _ = Max m++ Max m - Exact n = checkedSubtract Max m n+ Max m - Max _ = Max m+ Max m - Unknown = Max m++ _ - _ = Unknown+++ fromInteger n = Exact (fromInteger n)++ (*) = error "vector: internal error * for Bundle.size isn't defined"+ abs = error "vector: internal error abs for Bundle.size isn't defined"+ signum = error "vector: internal error signum for Bundle.size isn't defined"++{-# INLINE checkedAdd #-}+checkedAdd :: (Int -> Size) -> Int -> Int -> Size+checkedAdd con m n+ -- Note: we assume m and n are >= 0.+ | r < m || r < n =+ error $ "Data.Vector.Fusion.Bundle.Size.checkedAdd: overflow: " ++ show r+ | otherwise = con r+ where+ r = m + n++{-# INLINE checkedSubtract #-}+checkedSubtract :: (Int -> Size) -> Int -> Int -> Size+checkedSubtract con m n+ | r < 0 =+ error $ "Data.Vector.Fusion.Bundle.Size.checkedSubtract: underflow: " ++ show r+ | otherwise = con r+ where+ r = m - n++-- | Subtract two sizes with clamping to 0, for drop-like things+{-# INLINE clampedSubtract #-}+clampedSubtract :: Size -> Size -> Size+clampedSubtract (Exact m) (Exact n) = Exact (max 0 (m - n))+clampedSubtract (Max m) (Exact n)+ | m <= n = Exact 0+ | otherwise = Max (m - n)+clampedSubtract (Exact m) (Max _) = Max m+clampedSubtract (Max m) (Max _) = Max m+clampedSubtract _ _ = Unknown++-- | Minimum of two size hints+smaller :: Size -> Size -> Size+{-# INLINE smaller #-}+smaller (Exact m) (Exact n) = Exact (delay_inline min m n)+smaller (Exact m) (Max n) = Max (delay_inline min m n)+smaller (Exact m) Unknown = Max m+smaller (Max m) (Exact n) = Max (delay_inline min m n)+smaller (Max m) (Max n) = Max (delay_inline min m n)+smaller (Max m) Unknown = Max m+smaller Unknown (Exact n) = Max n+smaller Unknown (Max n) = Max n+smaller Unknown Unknown = Unknown++-- | Maximum of two size hints+larger :: Size -> Size -> Size+{-# INLINE larger #-}+larger (Exact m) (Exact n) = Exact (delay_inline max m n)+larger (Exact m) (Max n) | m >= n = Exact m+ | otherwise = Max n+larger (Max m) (Exact n) | n >= m = Exact n+ | otherwise = Max m+larger (Max m) (Max n) = Max (delay_inline max m n)+larger _ _ = Unknown++-- | Convert a size hint to an upper bound+toMax :: Size -> Size+toMax (Exact n) = Max n+toMax (Max n) = Max n+toMax Unknown = Unknown++-- | Compute the minimum size from a size hint+lowerBound :: Size -> Int+lowerBound (Exact n) = n+lowerBound _ = 0++-- | Compute the maximum size from a size hint if possible+upperBound :: Size -> Maybe Int+upperBound (Exact n) = Just n+upperBound (Max n) = Just n+upperBound Unknown = Nothing+
− Data/Vector/Fusion/Stream.hs
@@ -1,634 +0,0 @@-{-# LANGUAGE FlexibleInstances, Rank2Types, BangPatterns #-}---- |--- Module : Data.Vector.Fusion.Stream--- Copyright : (c) Roman Leshchinskiy 2008-2010--- License : BSD-style------ Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au>--- Stability : experimental--- Portability : non-portable--- --- Streams for stream fusion-----module Data.Vector.Fusion.Stream (- -- * Types- Step(..), Stream, MStream,-- -- * In-place markers- inplace,-- -- * Size hints- size, sized,-- -- * Length information- length, null,-- -- * Construction- empty, singleton, cons, snoc, replicate, generate, (++),-- -- * Accessing individual elements- head, last, (!!), (!?),-- -- * Substreams- slice, init, tail, take, drop,-- -- * Mapping- map, concatMap, flatten, unbox,- - -- * Zipping- indexed, indexedR,- zipWith, zipWith3, zipWith4, zipWith5, zipWith6,- zip, zip3, zip4, zip5, zip6,-- -- * Filtering- filter, takeWhile, dropWhile,-- -- * Searching- elem, notElem, find, findIndex,-- -- * Folding- foldl, foldl1, foldl', foldl1', foldr, foldr1,-- -- * Specialised folds- and, or,-- -- * Unfolding- unfoldr, unfoldrN, iterateN,-- -- * Scans- prescanl, prescanl',- postscanl, postscanl',- scanl, scanl',- scanl1, scanl1',-- -- * Enumerations- enumFromStepN, enumFromTo, enumFromThenTo,-- -- * Conversions- toList, fromList, fromListN, unsafeFromList, liftStream,-- -- * Monadic combinators- mapM, mapM_, zipWithM, zipWithM_, filterM, foldM, fold1M, foldM', fold1M',-- eq, cmp-) where--import Data.Vector.Fusion.Stream.Size-import Data.Vector.Fusion.Util-import Data.Vector.Fusion.Stream.Monadic ( Step(..), SPEC(..) )-import qualified Data.Vector.Fusion.Stream.Monadic as M--import Prelude hiding ( length, null,- replicate, (++),- head, last, (!!),- init, tail, take, drop,- map, concatMap,- zipWith, zipWith3, zip, zip3,- filter, takeWhile, dropWhile,- elem, notElem,- foldl, foldl1, foldr, foldr1,- and, or,- scanl, scanl1,- enumFromTo, enumFromThenTo,- mapM, mapM_ )--import GHC.Base ( build )--#include "vector.h"---- | The type of pure streams -type Stream = M.Stream Id---- | Alternative name for monadic streams-type MStream = M.Stream--inplace :: (forall m. Monad m => M.Stream m a -> M.Stream m b)- -> Stream a -> Stream b-{-# INLINE_STREAM inplace #-}-inplace f s = s `seq` f s--{-# RULES--"inplace/inplace [Vector]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a)- (g :: forall m. Monad m => MStream m a -> MStream m a)- s.- inplace f (inplace g s) = inplace (f . g) s-- #-}---- | Convert a pure stream to a monadic stream-liftStream :: Monad m => Stream a -> M.Stream m a-{-# INLINE_STREAM liftStream #-}-liftStream (M.Stream step s sz) = M.Stream (return . unId . step) s sz---- | 'Size' hint of a 'Stream'-size :: Stream a -> Size-{-# INLINE size #-}-size = M.size---- | Attach a 'Size' hint to a 'Stream'-sized :: Stream a -> Size -> Stream a-{-# INLINE sized #-}-sized = M.sized---- Length--- ---------- | Length of a 'Stream'-length :: Stream a -> Int-{-# INLINE length #-}-length = unId . M.length---- | Check if a 'Stream' is empty-null :: Stream a -> Bool-{-# INLINE null #-}-null = unId . M.null---- Construction--- ---------------- | Empty 'Stream'-empty :: Stream a-{-# INLINE empty #-}-empty = M.empty---- | Singleton 'Stream'-singleton :: a -> Stream a-{-# INLINE singleton #-}-singleton = M.singleton---- | Replicate a value to a given length-replicate :: Int -> a -> Stream a-{-# INLINE replicate #-}-replicate = M.replicate---- | Generate a stream from its indices-generate :: Int -> (Int -> a) -> Stream a-{-# INLINE generate #-}-generate = M.generate---- | Prepend an element-cons :: a -> Stream a -> Stream a-{-# INLINE cons #-}-cons = M.cons---- | Append an element-snoc :: Stream a -> a -> Stream a-{-# INLINE snoc #-}-snoc = M.snoc--infixr 5 ++--- | Concatenate two 'Stream's-(++) :: Stream a -> Stream a -> Stream a-{-# INLINE (++) #-}-(++) = (M.++)---- Accessing elements--- ---------------------- | First element of the 'Stream' or error if empty-head :: Stream a -> a-{-# INLINE head #-}-head = unId . M.head---- | Last element of the 'Stream' or error if empty-last :: Stream a -> a-{-# INLINE last #-}-last = unId . M.last--infixl 9 !!--- | Element at the given position-(!!) :: Stream a -> Int -> a-{-# INLINE (!!) #-}-s !! i = unId (s M.!! i)--infixl 9 !?--- | Element at the given position or 'Nothing' if out of bounds-(!?) :: Stream a -> Int -> Maybe a-{-# INLINE (!?) #-}-s !? i = unId (s M.!? i)---- Substreams--- -------------- | Extract a substream of the given length starting at the given position.-slice :: Int -- ^ starting index- -> Int -- ^ length- -> Stream a- -> Stream a-{-# INLINE slice #-}-slice = M.slice---- | All but the last element-init :: Stream a -> Stream a-{-# INLINE init #-}-init = M.init---- | All but the first element-tail :: Stream a -> Stream a-{-# INLINE tail #-}-tail = M.tail---- | The first @n@ elements-take :: Int -> Stream a -> Stream a-{-# INLINE take #-}-take = M.take---- | All but the first @n@ elements-drop :: Int -> Stream a -> Stream a-{-# INLINE drop #-}-drop = M.drop---- Mapping--- ------------------- | Map a function over a 'Stream'-map :: (a -> b) -> Stream a -> Stream b-{-# INLINE map #-}-map = M.map--unbox :: Stream (Box a) -> Stream a-{-# INLINE unbox #-}-unbox = M.unbox--concatMap :: (a -> Stream b) -> Stream a -> Stream b-{-# INLINE concatMap #-}-concatMap = M.concatMap---- Zipping--- ----------- | Pair each element in a 'Stream' with its index-indexed :: Stream a -> Stream (Int,a)-{-# INLINE indexed #-}-indexed = M.indexed---- | Pair each element in a 'Stream' with its index, starting from the right--- and counting down-indexedR :: Int -> Stream a -> Stream (Int,a)-{-# INLINE_STREAM indexedR #-}-indexedR = M.indexedR---- | Zip two 'Stream's with the given function-zipWith :: (a -> b -> c) -> Stream a -> Stream b -> Stream c-{-# INLINE zipWith #-}-zipWith = M.zipWith---- | Zip three 'Stream's with the given function-zipWith3 :: (a -> b -> c -> d) -> Stream a -> Stream b -> Stream c -> Stream d-{-# INLINE zipWith3 #-}-zipWith3 = M.zipWith3--zipWith4 :: (a -> b -> c -> d -> e)- -> Stream a -> Stream b -> Stream c -> Stream d- -> Stream e-{-# INLINE zipWith4 #-}-zipWith4 = M.zipWith4--zipWith5 :: (a -> b -> c -> d -> e -> f)- -> Stream a -> Stream b -> Stream c -> Stream d- -> Stream e -> Stream f-{-# INLINE zipWith5 #-}-zipWith5 = M.zipWith5--zipWith6 :: (a -> b -> c -> d -> e -> f -> g)- -> Stream a -> Stream b -> Stream c -> Stream d- -> Stream e -> Stream f -> Stream g-{-# INLINE zipWith6 #-}-zipWith6 = M.zipWith6--zip :: Stream a -> Stream b -> Stream (a,b)-{-# INLINE zip #-}-zip = M.zip--zip3 :: Stream a -> Stream b -> Stream c -> Stream (a,b,c)-{-# INLINE zip3 #-}-zip3 = M.zip3--zip4 :: Stream a -> Stream b -> Stream c -> Stream d- -> Stream (a,b,c,d)-{-# INLINE zip4 #-}-zip4 = M.zip4--zip5 :: Stream a -> Stream b -> Stream c -> Stream d- -> Stream e -> Stream (a,b,c,d,e)-{-# INLINE zip5 #-}-zip5 = M.zip5--zip6 :: Stream a -> Stream b -> Stream c -> Stream d- -> Stream e -> Stream f -> Stream (a,b,c,d,e,f)-{-# INLINE zip6 #-}-zip6 = M.zip6---- Filtering--- ------------- | Drop elements which do not satisfy the predicate-filter :: (a -> Bool) -> Stream a -> Stream a-{-# INLINE filter #-}-filter = M.filter---- | Longest prefix of elements that satisfy the predicate-takeWhile :: (a -> Bool) -> Stream a -> Stream a-{-# INLINE takeWhile #-}-takeWhile = M.takeWhile---- | Drop the longest prefix of elements that satisfy the predicate-dropWhile :: (a -> Bool) -> Stream a -> Stream a-{-# INLINE dropWhile #-}-dropWhile = M.dropWhile---- Searching--- -----------infix 4 `elem`--- | Check whether the 'Stream' contains an element-elem :: Eq a => a -> Stream a -> Bool-{-# INLINE elem #-}-elem x = unId . M.elem x--infix 4 `notElem`--- | Inverse of `elem`-notElem :: Eq a => a -> Stream a -> Bool-{-# INLINE notElem #-}-notElem x = unId . M.notElem x---- | Yield 'Just' the first element matching the predicate or 'Nothing' if no--- such element exists.-find :: (a -> Bool) -> Stream a -> Maybe a-{-# INLINE find #-}-find f = unId . M.find f---- | Yield 'Just' the index of the first element matching the predicate or--- 'Nothing' if no such element exists.-findIndex :: (a -> Bool) -> Stream a -> Maybe Int-{-# INLINE findIndex #-}-findIndex f = unId . M.findIndex f---- Folding--- ----------- | Left fold-foldl :: (a -> b -> a) -> a -> Stream b -> a-{-# INLINE foldl #-}-foldl f z = unId . M.foldl f z---- | Left fold on non-empty 'Stream's-foldl1 :: (a -> a -> a) -> Stream a -> a-{-# INLINE foldl1 #-}-foldl1 f = unId . M.foldl1 f---- | Left fold with strict accumulator-foldl' :: (a -> b -> a) -> a -> Stream b -> a-{-# INLINE foldl' #-}-foldl' f z = unId . M.foldl' f z---- | Left fold on non-empty 'Stream's with strict accumulator-foldl1' :: (a -> a -> a) -> Stream a -> a-{-# INLINE foldl1' #-}-foldl1' f = unId . M.foldl1' f---- | Right fold-foldr :: (a -> b -> b) -> b -> Stream a -> b-{-# INLINE foldr #-}-foldr f z = unId . M.foldr f z---- | Right fold on non-empty 'Stream's-foldr1 :: (a -> a -> a) -> Stream a -> a-{-# INLINE foldr1 #-}-foldr1 f = unId . M.foldr1 f---- Specialised folds--- -------------------and :: Stream Bool -> Bool-{-# INLINE and #-}-and = unId . M.and--or :: Stream Bool -> Bool-{-# INLINE or #-}-or = unId . M.or---- Unfolding--- ------------- | Unfold-unfoldr :: (s -> Maybe (a, s)) -> s -> Stream a-{-# INLINE unfoldr #-}-unfoldr = M.unfoldr---- | Unfold at most @n@ elements-unfoldrN :: Int -> (s -> Maybe (a, s)) -> s -> Stream a-{-# INLINE unfoldrN #-}-unfoldrN = M.unfoldrN---- | Apply function n-1 times to value. Zeroth element is original value.-iterateN :: Int -> (a -> a) -> a -> Stream a-{-# INLINE iterateN #-}-iterateN = M.iterateN---- Scans--- --------- | Prefix scan-prescanl :: (a -> b -> a) -> a -> Stream b -> Stream a-{-# INLINE prescanl #-}-prescanl = M.prescanl---- | Prefix scan with strict accumulator-prescanl' :: (a -> b -> a) -> a -> Stream b -> Stream a-{-# INLINE prescanl' #-}-prescanl' = M.prescanl'---- | Suffix scan-postscanl :: (a -> b -> a) -> a -> Stream b -> Stream a-{-# INLINE postscanl #-}-postscanl = M.postscanl---- | Suffix scan with strict accumulator-postscanl' :: (a -> b -> a) -> a -> Stream b -> Stream a-{-# INLINE postscanl' #-}-postscanl' = M.postscanl'---- | Haskell-style scan-scanl :: (a -> b -> a) -> a -> Stream b -> Stream a-{-# INLINE scanl #-}-scanl = M.scanl---- | Haskell-style scan with strict accumulator-scanl' :: (a -> b -> a) -> a -> Stream b -> Stream a-{-# INLINE scanl' #-}-scanl' = M.scanl'---- | Scan over a non-empty 'Stream'-scanl1 :: (a -> a -> a) -> Stream a -> Stream a-{-# INLINE scanl1 #-}-scanl1 = M.scanl1---- | Scan over a non-empty 'Stream' with a strict accumulator-scanl1' :: (a -> a -> a) -> Stream a -> Stream a-{-# INLINE scanl1' #-}-scanl1' = M.scanl1'----- Comparisons--- --------------- FIXME: Move these to Monadic---- | Check if two 'Stream's are equal-eq :: Eq a => Stream a -> Stream a -> Bool-{-# INLINE_STREAM eq #-}-eq (M.Stream step1 s1 _) (M.Stream step2 s2 _) = eq_loop0 SPEC s1 s2- where- eq_loop0 !sPEC s1 s2 = case unId (step1 s1) of- Yield x s1' -> eq_loop1 SPEC x s1' s2- Skip s1' -> eq_loop0 SPEC s1' s2- Done -> null (M.Stream step2 s2 Unknown)-- eq_loop1 !sPEC x s1 s2 = case unId (step2 s2) of- Yield y s2' -> x == y && eq_loop0 SPEC s1 s2'- Skip s2' -> eq_loop1 SPEC x s1 s2'- Done -> False---- | Lexicographically compare two 'Stream's-cmp :: Ord a => Stream a -> Stream a -> Ordering-{-# INLINE_STREAM cmp #-}-cmp (M.Stream step1 s1 _) (M.Stream step2 s2 _) = cmp_loop0 SPEC s1 s2- where- cmp_loop0 !sPEC s1 s2 = case unId (step1 s1) of- Yield x s1' -> cmp_loop1 SPEC x s1' s2- Skip s1' -> cmp_loop0 SPEC s1' s2- Done -> if null (M.Stream step2 s2 Unknown)- then EQ else LT-- cmp_loop1 !sPEC x s1 s2 = case unId (step2 s2) of- Yield y s2' -> case x `compare` y of- EQ -> cmp_loop0 SPEC s1 s2'- c -> c- Skip s2' -> cmp_loop1 SPEC x s1 s2'- Done -> GT--instance Eq a => Eq (M.Stream Id a) where- {-# INLINE (==) #-}- (==) = eq--instance Ord a => Ord (M.Stream Id a) where- {-# INLINE compare #-}- compare = cmp---- Monadic combinators--- ----------------------- | Apply a monadic action to each element of the stream, producing a monadic--- stream of results-mapM :: Monad m => (a -> m b) -> Stream a -> M.Stream m b-{-# INLINE mapM #-}-mapM f = M.mapM f . liftStream---- | Apply a monadic action to each element of the stream-mapM_ :: Monad m => (a -> m b) -> Stream a -> m ()-{-# INLINE mapM_ #-}-mapM_ f = M.mapM_ f . liftStream--zipWithM :: Monad m => (a -> b -> m c) -> Stream a -> Stream b -> M.Stream m c-{-# INLINE zipWithM #-}-zipWithM f as bs = M.zipWithM f (liftStream as) (liftStream bs)--zipWithM_ :: Monad m => (a -> b -> m c) -> Stream a -> Stream b -> m ()-{-# INLINE zipWithM_ #-}-zipWithM_ f as bs = M.zipWithM_ f (liftStream as) (liftStream bs)---- | Yield a monadic stream of elements that satisfy the monadic predicate-filterM :: Monad m => (a -> m Bool) -> Stream a -> M.Stream m a-{-# INLINE filterM #-}-filterM f = M.filterM f . liftStream---- | Monadic fold-foldM :: Monad m => (a -> b -> m a) -> a -> Stream b -> m a-{-# INLINE foldM #-}-foldM m z = M.foldM m z . liftStream---- | Monadic fold over non-empty stream-fold1M :: Monad m => (a -> a -> m a) -> Stream a -> m a-{-# INLINE fold1M #-}-fold1M m = M.fold1M m . liftStream---- | Monadic fold with strict accumulator-foldM' :: Monad m => (a -> b -> m a) -> a -> Stream b -> m a-{-# INLINE foldM' #-}-foldM' m z = M.foldM' m z . liftStream---- | Monad fold over non-empty stream with strict accumulator-fold1M' :: Monad m => (a -> a -> m a) -> Stream a -> m a-{-# INLINE fold1M' #-}-fold1M' m = M.fold1M' m . liftStream---- Enumerations--- ---------------- | Yield a 'Stream' of the given length containing the values @x@, @x+y@,--- @x+y+y@ etc.-enumFromStepN :: Num a => a -> a -> Int -> Stream a-{-# INLINE enumFromStepN #-}-enumFromStepN = M.enumFromStepN---- | Enumerate values------ /WARNING:/ This operations can be very inefficient. If at all possible, use--- 'enumFromStepN' instead.-enumFromTo :: Enum a => a -> a -> Stream a-{-# INLINE enumFromTo #-}-enumFromTo = M.enumFromTo---- | Enumerate values with a given step.------ /WARNING:/ This operations is very inefficient. If at all possible, use--- 'enumFromStepN' instead.-enumFromThenTo :: Enum a => a -> a -> a -> Stream a-{-# INLINE enumFromThenTo #-}-enumFromThenTo = M.enumFromThenTo---- Conversions--- --------------- | Convert a 'Stream' to a list-toList :: Stream a -> [a]-{-# INLINE toList #-}--- toList s = unId (M.toList s)-toList s = build (\c n -> toListFB c n s)---- This supports foldr/build list fusion that GHC implements-toListFB :: (a -> b -> b) -> b -> Stream a -> b-{-# INLINE [0] toListFB #-}-toListFB c n (M.Stream step s _) = go s- where- go s = case unId (step s) of- Yield x s' -> x `c` go s'- Skip s' -> go s'- Done -> n---- | Create a 'Stream' from a list-fromList :: [a] -> Stream a-{-# INLINE fromList #-}-fromList = M.fromList---- | Create a 'Stream' from the first @n@ elements of a list------ > fromListN n xs = fromList (take n xs)-fromListN :: Int -> [a] -> Stream a-{-# INLINE fromListN #-}-fromListN = M.fromListN--unsafeFromList :: Size -> [a] -> Stream a-{-# INLINE unsafeFromList #-}-unsafeFromList = M.unsafeFromList---- | Create a 'Stream' of values from a 'Stream' of streamable things-flatten :: (a -> s) -> (s -> Step s b) -> Size -> Stream a -> Stream b-{-# INLINE_STREAM flatten #-}-flatten mk istep sz = M.flatten (return . mk) (return . istep) sz . liftStream-
Data/Vector/Fusion/Stream/Monadic.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE ExistentialQuantification, Rank2Types, BangPatterns #-}+{-# LANGUAGE CPP, ExistentialQuantification, MultiParamTypeClasses, FlexibleInstances, Rank2Types, BangPatterns, KindSignatures, GADTs, ScopedTypeVariables #-} -- | -- Module : Data.Vector.Fusion.Stream.Monadic@@ -15,9 +15,6 @@ module Data.Vector.Fusion.Stream.Monadic ( Stream(..), Step(..), SPEC(..), - -- * Size hints- size, sized,- -- * Length length, null, @@ -32,13 +29,16 @@ -- * Mapping map, mapM, mapM_, trans, unbox, concatMap, flatten,- + -- * Zipping indexed, indexedR, zipWithM_, zipWithM, zipWith3M, zipWith4M, zipWith5M, zipWith6M, zipWith, zipWith3, zipWith4, zipWith5, zipWith6, zip, zip3, zip4, zip5, zip6, + -- * Comparisons+ eq, cmp,+ -- * Filtering filter, filterM, takeWhile, takeWhileM, dropWhile, dropWhileM, @@ -68,11 +68,10 @@ enumFromStepN, enumFromTo, enumFromThenTo, -- * Conversions- toList, fromList, fromListN, unsafeFromList+ toList, fromList, fromListN ) where -import Data.Vector.Fusion.Stream.Size-import Data.Vector.Fusion.Util ( Box(..), delay_inline )+import Data.Vector.Fusion.Util ( Box(..) ) import Data.Char ( ord ) import GHC.Base ( unsafeChr )@@ -93,67 +92,75 @@ import Data.Int ( Int8, Int16, Int32, Int64 ) import Data.Word ( Word8, Word16, Word32, Word, Word64 ) -#if __GLASGOW_HASKELL__ >= 700+#if __GLASGOW_HASKELL__ >= 708+import GHC.Types ( SPEC(..) )+#elif __GLASGOW_HASKELL__ >= 700 import GHC.Exts ( SpecConstrAnnotation(..) ) #endif #include "vector.h"+#include "MachDeps.h" +#if __GLASGOW_HASKELL__ < 708 data SPEC = SPEC | SPEC2 #if __GLASGOW_HASKELL__ >= 700 {-# ANN type SPEC ForceSpecConstr #-} #endif+#endif emptyStream :: String {-# NOINLINE emptyStream #-} emptyStream = "empty stream" -#define EMPTY_STREAM (\s -> ERROR s emptyStream)+#define EMPTY_STREAM (\state -> ERROR state emptyStream) -- | Result of taking a single step in a stream-data Step s a = Yield a s -- ^ a new element and a new seed- | Skip s -- ^ just a new seed- | Done -- ^ end of stream---- | Monadic streams-data Stream m a = forall s. Stream (s -> m (Step s a)) s Size+data Step s a where+ Yield :: a -> s -> Step s a+ Skip :: s -> Step s a+ Done :: Step s a --- | 'Size' hint of a 'Stream'-size :: Stream m a -> Size-{-# INLINE size #-}-size (Stream _ _ sz) = sz+instance Functor (Step s) where+ {-# INLINE fmap #-}+ fmap f (Yield x s) = Yield (f x) s+ fmap _ (Skip s) = Skip s+ fmap _ Done = Done --- | Attach a 'Size' hint to a 'Stream'-sized :: Stream m a -> Size -> Stream m a-{-# INLINE_STREAM sized #-}-sized (Stream step s _) sz = Stream step s sz+-- | Monadic streams+data Stream m a = forall s. Stream (s -> m (Step s a)) s -- Length -- ------ -- | Length of a 'Stream' length :: Monad m => Stream m a -> m Int-{-# INLINE_STREAM length #-}-length s = foldl' (\n _ -> n+1) 0 s+{-# INLINE_FUSED length #-}+length = foldl' (\n _ -> n+1) 0 -- | Check if a 'Stream' is empty null :: Monad m => Stream m a -> m Bool-{-# INLINE_STREAM null #-}-null s = foldr (\_ _ -> False) True s-+{-# INLINE_FUSED null #-}+null (Stream step t) = null_loop t+ where+ null_loop s = do+ r <- step s+ case r of+ Yield _ _ -> return False+ Skip s' -> null_loop s'+ Done -> return True -- Construction -- ------------ -- | Empty 'Stream' empty :: Monad m => Stream m a-{-# INLINE_STREAM empty #-}-empty = Stream (const (return Done)) () (Exact 0)+{-# INLINE_FUSED empty #-}+empty = Stream (const (return Done)) () -- | Singleton 'Stream' singleton :: Monad m => a -> Stream m a-{-# INLINE_STREAM singleton #-}-singleton x = Stream (return . step) True (Exact 1)+{-# INLINE_FUSED singleton #-}+singleton x = Stream (return . step) True where {-# INLINE_INNER step #-} step True = Yield x False@@ -161,16 +168,14 @@ -- | Replicate a value to a given length replicate :: Monad m => Int -> a -> Stream m a-{-# INLINE replicate #-}+{-# INLINE_FUSED replicate #-} replicate n x = replicateM n (return x) -- | Yield a 'Stream' of values obtained by performing the monadic action the -- given number of times replicateM :: Monad m => Int -> m a -> Stream m a-{-# INLINE_STREAM replicateM #-}--- NOTE: We delay inlining max here because GHC will create a join point for--- the call to newArray# otherwise which is not really nice.-replicateM n p = Stream step n (Exact (delay_inline max n 0))+{-# INLINE_FUSED replicateM #-}+replicateM n p = Stream step n where {-# INLINE_INNER step #-} step i | i <= 0 = return Done@@ -182,8 +187,8 @@ -- | Generate a stream from its indices generateM :: Monad m => Int -> (Int -> m a) -> Stream m a-{-# INLINE_STREAM generateM #-}-generateM n f = n `seq` Stream step 0 (Exact (delay_inline max n 0))+{-# INLINE_FUSED generateM #-}+generateM n f = n `seq` Stream step 0 where {-# INLINE_INNER step #-} step i | i < n = do@@ -204,8 +209,8 @@ infixr 5 ++ -- | Concatenate two 'Stream's (++) :: Monad m => Stream m a -> Stream m a -> Stream m a-{-# INLINE_STREAM (++) #-}-Stream stepa sa na ++ Stream stepb sb nb = Stream step (Left sa) (na + nb)+{-# INLINE_FUSED (++) #-}+Stream stepa ta ++ Stream stepb tb = Stream step (Left ta) where {-# INLINE_INNER step #-} step (Left sa) = do@@ -213,7 +218,7 @@ case r of Yield x sa' -> return $ Yield x (Left sa') Skip sa' -> return $ Skip (Left sa')- Done -> return $ Skip (Right sb)+ Done -> return $ Skip (Right tb) step (Right sb) = do r <- stepb sb case r of@@ -226,10 +231,10 @@ -- | First element of the 'Stream' or error if empty head :: Monad m => Stream m a -> m a-{-# INLINE_STREAM head #-}-head (Stream step s _) = head_loop SPEC s+{-# INLINE_FUSED head #-}+head (Stream step t) = head_loop SPEC t where- head_loop !sPEC s+ head_loop !_ s = do r <- step s case r of@@ -241,10 +246,10 @@ -- | Last element of the 'Stream' or error if empty last :: Monad m => Stream m a -> m a-{-# INLINE_STREAM last #-}-last (Stream step s _) = last_loop0 SPEC s+{-# INLINE_FUSED last #-}+last (Stream step t) = last_loop0 SPEC t where- last_loop0 !sPEC s+ last_loop0 !_ s = do r <- step s case r of@@ -252,7 +257,7 @@ Skip s' -> last_loop0 SPEC s' Done -> EMPTY_STREAM "last" - last_loop1 !sPEC x s+ last_loop1 !_ x s = do r <- step s case r of@@ -264,10 +269,10 @@ -- | Element at the given position (!!) :: Monad m => Stream m a -> Int -> m a {-# INLINE (!!) #-}-Stream step s _ !! i | i < 0 = ERROR "!!" "negative index"- | otherwise = index_loop SPEC s i+Stream step t !! j | j < 0 = ERROR "!!" "negative index"+ | otherwise = index_loop SPEC t j where- index_loop !sPEC s i+ index_loop !_ s i = i `seq` do r <- step s@@ -281,9 +286,9 @@ -- | Element at the given position or 'Nothing' if out of bounds (!?) :: Monad m => Stream m a -> Int -> m (Maybe a) {-# INLINE (!?) #-}-Stream step s _ !? i = index_loop SPEC s i+Stream step t !? j = index_loop SPEC t j where- index_loop !sPEC s i+ index_loop !_ s i = i `seq` do r <- step s@@ -306,8 +311,8 @@ -- | All but the last element init :: Monad m => Stream m a -> Stream m a-{-# INLINE_STREAM init #-}-init (Stream step s sz) = Stream step' (Nothing, s) (sz - 1)+{-# INLINE_FUSED init #-}+init (Stream step t) = Stream step' (Nothing, t) where {-# INLINE_INNER step' #-} step' (Nothing, s) = liftM (\r ->@@ -317,7 +322,7 @@ Done -> EMPTY_STREAM "init" ) (step s) - step' (Just x, s) = liftM (\r -> + step' (Just x, s) = liftM (\r -> case r of Yield y s' -> Yield x (Just y, s') Skip s' -> Skip (Just x, s')@@ -326,13 +331,13 @@ -- | All but the first element tail :: Monad m => Stream m a -> Stream m a-{-# INLINE_STREAM tail #-}-tail (Stream step s sz) = Stream step' (Left s) (sz - 1)+{-# INLINE_FUSED tail #-}+tail (Stream step t) = Stream step' (Left t) where {-# INLINE_INNER step' #-} step' (Left s) = liftM (\r -> case r of- Yield x s' -> Skip (Right s')+ Yield _ s' -> Skip (Right s') Skip s' -> Skip (Left s') Done -> EMPTY_STREAM "tail" ) (step s)@@ -346,8 +351,8 @@ -- | The first @n@ elements take :: Monad m => Int -> Stream m a -> Stream m a-{-# INLINE_STREAM take #-}-take n (Stream step s sz) = Stream step' (s, 0) (smaller (Exact n) sz)+{-# INLINE_FUSED take #-}+take n (Stream step t) = n `seq` Stream step' (t, 0) where {-# INLINE_INNER step' #-} step' (s, i) | i < n = liftM (\r ->@@ -356,17 +361,17 @@ Skip s' -> Skip (s', i) Done -> Done ) (step s)- step' (s, i) = return Done+ step' (_, _) = return Done -- | All but the first @n@ elements drop :: Monad m => Int -> Stream m a -> Stream m a-{-# INLINE_STREAM drop #-}-drop n (Stream step s sz) = Stream step' (s, Just n) (sz - Exact n)+{-# INLINE_FUSED drop #-}+drop n (Stream step t) = Stream step' (t, Just n) where {-# INLINE_INNER step' #-} step' (s, Just i) | i > 0 = liftM (\r -> case r of- Yield x s' -> Skip (s', Just (i-1))+ Yield _ s' -> Skip (s', Just (i-1)) Skip s' -> Skip (s', Just i) Done -> Done ) (step s)@@ -378,7 +383,7 @@ Skip s' -> Skip (s', Nothing) Done -> Done ) (step s)- + -- Mapping -- ------- @@ -394,8 +399,8 @@ -- | Map a monadic function over a 'Stream' mapM :: Monad m => (a -> m b) -> Stream m a -> Stream m b-{-# INLINE_STREAM mapM #-}-mapM f (Stream step s n) = Stream step' s n+{-# INLINE_FUSED mapM #-}+mapM f (Stream step t) = Stream step' t where {-# INLINE_INNER step' #-} step' s = do@@ -406,10 +411,10 @@ Done -> return Done consume :: Monad m => Stream m a -> m ()-{-# INLINE_STREAM consume #-}-consume (Stream step s _) = consume_loop SPEC s+{-# INLINE_FUSED consume #-}+consume (Stream step t) = consume_loop SPEC t where- consume_loop !sPEC s+ consume_loop !_ s = do r <- step s case r of@@ -419,18 +424,18 @@ -- | Execute a monadic action for each element of the 'Stream' mapM_ :: Monad m => (a -> m b) -> Stream m a -> m ()-{-# INLINE_STREAM mapM_ #-}+{-# INLINE_FUSED mapM_ #-} mapM_ m = consume . mapM m -- | Transform a 'Stream' to use a different monad-trans :: (Monad m, Monad m') => (forall a. m a -> m' a)- -> Stream m a -> Stream m' a-{-# INLINE_STREAM trans #-}-trans f (Stream step s n) = Stream (f . step) s n+trans :: (Monad m, Monad m')+ => (forall z. m z -> m' z) -> Stream m a -> Stream m' a+{-# INLINE_FUSED trans #-}+trans f (Stream step s) = Stream (f . step) s unbox :: Monad m => Stream m (Box a) -> Stream m a-{-# INLINE_STREAM unbox #-}-unbox (Stream step s n) = Stream step' s n+{-# INLINE_FUSED unbox #-}+unbox (Stream step t) = Stream step' t where {-# INLINE_INNER step' #-} step' s = do@@ -445,8 +450,8 @@ -- | Pair each element in a 'Stream' with its index indexed :: Monad m => Stream m a -> Stream m (Int,a)-{-# INLINE_STREAM indexed #-}-indexed (Stream step s n) = Stream step' (s,0) n+{-# INLINE_FUSED indexed #-}+indexed (Stream step t) = Stream step' (t,0) where {-# INLINE_INNER step' #-} step' (s,i) = i `seq`@@ -460,8 +465,8 @@ -- | Pair each element in a 'Stream' with its index, starting from the right -- and counting down indexedR :: Monad m => Int -> Stream m a -> Stream m (Int,a)-{-# INLINE_STREAM indexedR #-}-indexedR m (Stream step s n) = Stream step' (s,m) n+{-# INLINE_FUSED indexedR #-}+indexedR m (Stream step t) = Stream step' (t,m) where {-# INLINE_INNER step' #-} step' (s,i) = i `seq`@@ -476,9 +481,8 @@ -- | Zip two 'Stream's with the given monadic function zipWithM :: Monad m => (a -> b -> m c) -> Stream m a -> Stream m b -> Stream m c-{-# INLINE_STREAM zipWithM #-}-zipWithM f (Stream stepa sa na) (Stream stepb sb nb)- = Stream step (sa, sb, Nothing) (smaller na nb)+{-# INLINE_FUSED zipWithM #-}+zipWithM f (Stream stepa ta) (Stream stepb tb) = Stream step (ta, tb, Nothing) where {-# INLINE_INNER step #-} step (sa, sb, Nothing) = liftM (\r ->@@ -502,18 +506,18 @@ {-# RULES "zipWithM xs xs [Vector.Stream]" forall f xs.- zipWithM f xs xs = mapM (\x -> f x x) xs+ zipWithM f xs xs = mapM (\x -> f x x) xs #-} - #-} zipWithM_ :: Monad m => (a -> b -> m c) -> Stream m a -> Stream m b -> m () {-# INLINE zipWithM_ #-} zipWithM_ f sa sb = consume (zipWithM f sa sb) zipWith3M :: Monad m => (a -> b -> c -> m d) -> Stream m a -> Stream m b -> Stream m c -> Stream m d-{-# INLINE_STREAM zipWith3M #-}-zipWith3M f (Stream stepa sa na) (Stream stepb sb nb) (Stream stepc sc nc)- = Stream step (sa, sb, sc, Nothing) (smaller na (smaller nb nc))+{-# INLINE_FUSED zipWith3M #-}+zipWith3M f (Stream stepa ta)+ (Stream stepb tb)+ (Stream stepc tc) = Stream step (ta, tb, tc, Nothing) where {-# INLINE_INNER step #-} step (sa, sb, sc, Nothing) = do@@ -609,6 +613,65 @@ {-# INLINE zip6 #-} zip6 = zipWith6 (,,,,,) +-- Comparisons+-- -----------++-- | Check if two 'Stream's are equal+eq :: (Monad m, Eq a) => Stream m a -> Stream m a -> m Bool+{-# INLINE_FUSED eq #-}+eq (Stream step1 t1) (Stream step2 t2) = eq_loop0 SPEC t1 t2+ where+ eq_loop0 !_ s1 s2 = do+ r <- step1 s1+ case r of+ Yield x s1' -> eq_loop1 SPEC x s1' s2+ Skip s1' -> eq_loop0 SPEC s1' s2+ Done -> eq_null s2++ eq_loop1 !_ x s1 s2 = do+ r <- step2 s2+ case r of+ Yield y s2'+ | x == y -> eq_loop0 SPEC s1 s2'+ | otherwise -> return False+ Skip s2' -> eq_loop1 SPEC x s1 s2'+ Done -> return False++ eq_null s2 = do+ r <- step2 s2+ case r of+ Yield _ _ -> return False+ Skip s2' -> eq_null s2'+ Done -> return True++-- | Lexicographically compare two 'Stream's+cmp :: (Monad m, Ord a) => Stream m a -> Stream m a -> m Ordering+{-# INLINE_FUSED cmp #-}+cmp (Stream step1 t1) (Stream step2 t2) = cmp_loop0 SPEC t1 t2+ where+ cmp_loop0 !_ s1 s2 = do+ r <- step1 s1+ case r of+ Yield x s1' -> cmp_loop1 SPEC x s1' s2+ Skip s1' -> cmp_loop0 SPEC s1' s2+ Done -> cmp_null s2++ cmp_loop1 !_ x s1 s2 = do+ r <- step2 s2+ case r of+ Yield y s2' -> case x `compare` y of+ EQ -> cmp_loop0 SPEC s1 s2'+ c -> return c+ Skip s2' -> cmp_loop1 SPEC x s1 s2'+ Done -> return GT++ cmp_null s2 = do+ r <- step2 s2+ case r of+ Yield _ _ -> return LT+ Skip s2' -> cmp_null s2'+ Done -> return EQ+ -- Filtering -- --------- @@ -619,8 +682,8 @@ -- | Drop elements which do not satisfy the monadic predicate filterM :: Monad m => (a -> m Bool) -> Stream m a -> Stream m a-{-# INLINE_STREAM filterM #-}-filterM f (Stream step s n) = Stream step' s (toMax n)+{-# INLINE_FUSED filterM #-}+filterM f (Stream step t) = Stream step' t where {-# INLINE_INNER step' #-} step' s = do@@ -640,8 +703,8 @@ -- | Longest prefix of elements that satisfy the monadic predicate takeWhileM :: Monad m => (a -> m Bool) -> Stream m a -> Stream m a-{-# INLINE_STREAM takeWhileM #-}-takeWhileM f (Stream step s n) = Stream step' s (toMax n)+{-# INLINE_FUSED takeWhileM #-}+takeWhileM f (Stream step t) = Stream step' t where {-# INLINE_INNER step' #-} step' s = do@@ -662,8 +725,8 @@ -- | Drop the longest prefix of elements that satisfy the monadic predicate dropWhileM :: Monad m => (a -> m Bool) -> Stream m a -> Stream m a-{-# INLINE_STREAM dropWhileM #-}-dropWhileM f (Stream step s n) = Stream step' (DropWhile_Drop s) (toMax n)+{-# INLINE_FUSED dropWhileM #-}+dropWhileM f (Stream step t) = Stream step' (DropWhile_Drop t) where -- NOTE: we jump through hoops here to have only one Yield; local data -- declarations would be nice!@@ -696,10 +759,10 @@ infix 4 `elem` -- | Check whether the 'Stream' contains an element elem :: (Monad m, Eq a) => a -> Stream m a -> m Bool-{-# INLINE_STREAM elem #-}-elem x (Stream step s _) = elem_loop SPEC s+{-# INLINE_FUSED elem #-}+elem x (Stream step t) = elem_loop SPEC t where- elem_loop !sPEC s+ elem_loop !_ s = do r <- step s case r of@@ -723,10 +786,10 @@ -- | Yield 'Just' the first element that satisfies the monadic predicate or -- 'Nothing' if no such element exists. findM :: Monad m => (a -> m Bool) -> Stream m a -> m (Maybe a)-{-# INLINE_STREAM findM #-}-findM f (Stream step s _) = find_loop SPEC s+{-# INLINE_FUSED findM #-}+findM f (Stream step t) = find_loop SPEC t where- find_loop !sPEC s+ find_loop !_ s = do r <- step s case r of@@ -740,16 +803,16 @@ -- | Yield 'Just' the index of the first element that satisfies the predicate -- or 'Nothing' if no such element exists. findIndex :: Monad m => (a -> Bool) -> Stream m a -> m (Maybe Int)-{-# INLINE_STREAM findIndex #-}+{-# INLINE_FUSED findIndex #-} findIndex f = findIndexM (return . f) -- | Yield 'Just' the index of the first element that satisfies the monadic -- predicate or 'Nothing' if no such element exists. findIndexM :: Monad m => (a -> m Bool) -> Stream m a -> m (Maybe Int)-{-# INLINE_STREAM findIndexM #-}-findIndexM f (Stream step s _) = findIndex_loop SPEC s 0+{-# INLINE_FUSED findIndexM #-}+findIndexM f (Stream step t) = findIndex_loop SPEC t 0 where- findIndex_loop !sPEC s i+ findIndex_loop !_ s i = do r <- step s case r of@@ -770,10 +833,10 @@ -- | Left fold with a monadic operator foldlM :: Monad m => (a -> b -> m a) -> a -> Stream m b -> m a-{-# INLINE_STREAM foldlM #-}-foldlM m z (Stream step s _) = foldlM_loop SPEC z s+{-# INLINE_FUSED foldlM #-}+foldlM m w (Stream step t) = foldlM_loop SPEC w t where- foldlM_loop !sPEC z s+ foldlM_loop !_ z s = do r <- step s case r of@@ -793,14 +856,14 @@ -- | Left fold over a non-empty 'Stream' with a monadic operator foldl1M :: Monad m => (a -> a -> m a) -> Stream m a -> m a-{-# INLINE_STREAM foldl1M #-}-foldl1M f (Stream step s sz) = foldl1M_loop SPEC s+{-# INLINE_FUSED foldl1M #-}+foldl1M f (Stream step t) = foldl1M_loop SPEC t where- foldl1M_loop !sPEC s+ foldl1M_loop !_ s = do r <- step s case r of- Yield x s' -> foldlM f x (Stream step s' (sz - 1))+ Yield x s' -> foldlM f x (Stream step s') Skip s' -> foldl1M_loop SPEC s' Done -> EMPTY_STREAM "foldl1M" @@ -816,10 +879,10 @@ -- | Left fold with a strict accumulator and a monadic operator foldlM' :: Monad m => (a -> b -> m a) -> a -> Stream m b -> m a-{-# INLINE_STREAM foldlM' #-}-foldlM' m z (Stream step s _) = foldlM'_loop SPEC z s+{-# INLINE_FUSED foldlM' #-}+foldlM' m w (Stream step t) = foldlM'_loop SPEC w t where- foldlM'_loop !sPEC z s+ foldlM'_loop !_ z s = z `seq` do r <- step s@@ -841,14 +904,14 @@ -- | Left fold over a non-empty 'Stream' with a strict accumulator and a -- monadic operator foldl1M' :: Monad m => (a -> a -> m a) -> Stream m a -> m a-{-# INLINE_STREAM foldl1M' #-}-foldl1M' f (Stream step s sz) = foldl1M'_loop SPEC s+{-# INLINE_FUSED foldl1M' #-}+foldl1M' f (Stream step t) = foldl1M'_loop SPEC t where- foldl1M'_loop !sPEC s+ foldl1M'_loop !_ s = do r <- step s case r of- Yield x s' -> foldlM' f x (Stream step s' (sz - 1))+ Yield x s' -> foldlM' f x (Stream step s') Skip s' -> foldl1M'_loop SPEC s' Done -> EMPTY_STREAM "foldl1M'" @@ -864,10 +927,10 @@ -- | Right fold with a monadic operator foldrM :: Monad m => (a -> b -> m b) -> b -> Stream m a -> m b-{-# INLINE_STREAM foldrM #-}-foldrM f z (Stream step s _) = foldrM_loop SPEC s+{-# INLINE_FUSED foldrM #-}+foldrM f z (Stream step t) = foldrM_loop SPEC t where- foldrM_loop !sPEC s+ foldrM_loop !_ s = do r <- step s case r of@@ -882,10 +945,10 @@ -- | Right fold over a non-empty stream with a monadic operator foldr1M :: Monad m => (a -> a -> m a) -> Stream m a -> m a-{-# INLINE_STREAM foldr1M #-}-foldr1M f (Stream step s _) = foldr1M_loop0 SPEC s+{-# INLINE_FUSED foldr1M #-}+foldr1M f (Stream step t) = foldr1M_loop0 SPEC t where- foldr1M_loop0 !sPEC s+ foldr1M_loop0 !_ s = do r <- step s case r of@@ -893,7 +956,7 @@ Skip s' -> foldr1M_loop0 SPEC s' Done -> EMPTY_STREAM "foldr1M" - foldr1M_loop1 !sPEC x s+ foldr1M_loop1 !_ x s = do r <- step s case r of@@ -905,10 +968,10 @@ -- ----------------- and :: Monad m => Stream m Bool -> m Bool-{-# INLINE_STREAM and #-}-and (Stream step s _) = and_loop SPEC s+{-# INLINE_FUSED and #-}+and (Stream step t) = and_loop SPEC t where- and_loop !sPEC s+ and_loop !_ s = do r <- step s case r of@@ -918,10 +981,10 @@ Done -> return True or :: Monad m => Stream m Bool -> m Bool-{-# INLINE_STREAM or #-}-or (Stream step s _) = or_loop SPEC s+{-# INLINE_FUSED or #-}+or (Stream step t) = or_loop SPEC t where- or_loop !sPEC s+ or_loop !_ s = do r <- step s case r of@@ -935,8 +998,8 @@ concatMap f = concatMapM (return . f) concatMapM :: Monad m => (a -> m (Stream m b)) -> Stream m a -> Stream m b-{-# INLINE_STREAM concatMapM #-}-concatMapM f (Stream step s _) = Stream concatMap_go (Left s) Unknown+{-# INLINE_FUSED concatMapM #-}+concatMapM f (Stream step t) = Stream concatMap_go (Left t) where concatMap_go (Left s) = do r <- step s@@ -946,18 +1009,17 @@ return $ Skip (Right (b_stream, s')) Skip s' -> return $ Skip (Left s') Done -> return Done- concatMap_go (Right (Stream inner_step inner_s sz, s)) = do+ concatMap_go (Right (Stream inner_step inner_s, s)) = do r <- inner_step inner_s case r of- Yield b inner_s' -> return $ Yield b (Right (Stream inner_step inner_s' sz, s))- Skip inner_s' -> return $ Skip (Right (Stream inner_step inner_s' sz, s))+ Yield b inner_s' -> return $ Yield b (Right (Stream inner_step inner_s', s))+ Skip inner_s' -> return $ Skip (Right (Stream inner_step inner_s', s)) Done -> return $ Skip (Left s) -- | Create a 'Stream' of values from a 'Stream' of streamable things-flatten :: Monad m => (a -> m s) -> (s -> m (Step s b)) -> Size- -> Stream m a -> Stream m b-{-# INLINE_STREAM flatten #-}-flatten mk istep sz (Stream ostep t _) = Stream step (Left t) sz+flatten :: Monad m => (a -> m s) -> (s -> m (Step s b)) -> Stream m a -> Stream m b+{-# INLINE_FUSED flatten #-}+flatten mk istep (Stream ostep u) = Stream step (Left u) where {-# INLINE_INNER step #-} step (Left t) = do@@ -969,7 +1031,7 @@ Skip t' -> return $ Skip (Left t') Done -> return $ Done - + step (Right (s,t)) = do r <- istep s case r of@@ -982,13 +1044,13 @@ -- | Unfold unfoldr :: Monad m => (s -> Maybe (a, s)) -> s -> Stream m a-{-# INLINE_STREAM unfoldr #-}+{-# INLINE_FUSED unfoldr #-} unfoldr f = unfoldrM (return . f) -- | Unfold with a monadic function unfoldrM :: Monad m => (s -> m (Maybe (a, s))) -> s -> Stream m a-{-# INLINE_STREAM unfoldrM #-}-unfoldrM f s = Stream step s Unknown+{-# INLINE_FUSED unfoldrM #-}+unfoldrM f t = Stream step t where {-# INLINE_INNER step #-} step s = liftM (\r ->@@ -997,15 +1059,14 @@ Nothing -> Done ) (f s) --- | Unfold at most @n@ elements unfoldrN :: Monad m => Int -> (s -> Maybe (a, s)) -> s -> Stream m a-{-# INLINE_STREAM unfoldrN #-}+{-# INLINE_FUSED unfoldrN #-} unfoldrN n f = unfoldrNM n (return . f) -- | Unfold at most @n@ elements with a monadic functions unfoldrNM :: Monad m => Int -> (s -> m (Maybe (a, s))) -> s -> Stream m a-{-# INLINE_STREAM unfoldrNM #-}-unfoldrNM n f s = Stream step (s,n) (Max (delay_inline max n 0))+{-# INLINE_FUSED unfoldrNM #-}+unfoldrNM m f t = Stream step (t,m) where {-# INLINE_INNER step #-} step (s,n) | n <= 0 = return Done@@ -1017,8 +1078,8 @@ -- | Apply monadic function n times to value. Zeroth element is original value. iterateNM :: Monad m => Int -> (a -> m a) -> a -> Stream m a-{-# INLINE_STREAM iterateNM #-}-iterateNM n f x0 = Stream step (x0,n) (Exact (delay_inline max n 0))+{-# INLINE_FUSED iterateNM #-}+iterateNM n f x0 = Stream step (x0,n) where {-# INLINE_INNER step #-} step (x,i) | i <= 0 = return Done@@ -1028,7 +1089,7 @@ -- | Apply function n times to value. Zeroth element is original value. iterateN :: Monad m => Int -> (a -> a) -> a -> Stream m a-{-# INLINE_STREAM iterateN #-}+{-# INLINE_FUSED iterateN #-} iterateN n f x0 = iterateNM n (return . f) x0 -- Scans@@ -1041,8 +1102,8 @@ -- | Prefix scan with a monadic operator prescanlM :: Monad m => (a -> b -> m a) -> a -> Stream m b -> Stream m a-{-# INLINE_STREAM prescanlM #-}-prescanlM f z (Stream step s sz) = Stream step' (s,z) sz+{-# INLINE_FUSED prescanlM #-}+prescanlM f w (Stream step t) = Stream step' (t,w) where {-# INLINE_INNER step' #-} step' (s,x) = do@@ -1061,8 +1122,8 @@ -- | Prefix scan with strict accumulator and a monadic operator prescanlM' :: Monad m => (a -> b -> m a) -> a -> Stream m b -> Stream m a-{-# INLINE_STREAM prescanlM' #-}-prescanlM' f z (Stream step s sz) = Stream step' (s,z) sz+{-# INLINE_FUSED prescanlM' #-}+prescanlM' f w (Stream step t) = Stream step' (t,w) where {-# INLINE_INNER step' #-} step' (s,x) = x `seq`@@ -1082,8 +1143,8 @@ -- | Suffix scan with a monadic operator postscanlM :: Monad m => (a -> b -> m a) -> a -> Stream m b -> Stream m a-{-# INLINE_STREAM postscanlM #-}-postscanlM f z (Stream step s sz) = Stream step' (s,z) sz+{-# INLINE_FUSED postscanlM #-}+postscanlM f w (Stream step t) = Stream step' (t,w) where {-# INLINE_INNER step' #-} step' (s,x) = do@@ -1102,8 +1163,8 @@ -- | Suffix scan with strict acccumulator and a monadic operator postscanlM' :: Monad m => (a -> b -> m a) -> a -> Stream m b -> Stream m a-{-# INLINE_STREAM postscanlM' #-}-postscanlM' f z (Stream step s sz) = z `seq` Stream step' (s,z) sz+{-# INLINE_FUSED postscanlM' #-}+postscanlM' f w (Stream step t) = w `seq` Stream step' (t,w) where {-# INLINE_INNER step' #-} step' (s,x) = x `seq`@@ -1143,8 +1204,8 @@ -- | Scan over a non-empty 'Stream' with a monadic operator scanl1M :: Monad m => (a -> a -> m a) -> Stream m a -> Stream m a-{-# INLINE_STREAM scanl1M #-}-scanl1M f (Stream step s sz) = Stream step' (s, Nothing) sz+{-# INLINE_FUSED scanl1M #-}+scanl1M f (Stream step t) = Stream step' (t, Nothing) where {-# INLINE_INNER step' #-} step' (s, Nothing) = do@@ -1171,8 +1232,8 @@ -- | Scan over a non-empty 'Stream' with a strict accumulator and a monadic -- operator scanl1M' :: Monad m => (a -> a -> m a) -> Stream m a -> Stream m a-{-# INLINE_STREAM scanl1M' #-}-scanl1M' f (Stream step s sz) = Stream step' (s, Nothing) sz+{-# INLINE_FUSED scanl1M' #-}+scanl1M' f (Stream step t) = Stream step' (t, Nothing) where {-# INLINE_INNER step' #-} step' (s, Nothing) = do@@ -1202,12 +1263,11 @@ -- | Yield a 'Stream' of the given length containing the values @x@, @x+y@, -- @x+y+y@ etc. enumFromStepN :: (Num a, Monad m) => a -> a -> Int -> Stream m a-{-# INLINE_STREAM enumFromStepN #-}-enumFromStepN x y n = x `seq` y `seq` n `seq`- Stream step (x,n) (Exact (delay_inline max n 0))+{-# INLINE_FUSED enumFromStepN #-}+enumFromStepN x y n = x `seq` y `seq` n `seq` Stream step (x,n) where {-# INLINE_INNER step #-}- step (x,n) | n > 0 = return $ Yield x (x+y,n-1)+ step (w,m) | m > 0 = return $ Yield w (w+y,m-1) | otherwise = return $ Done -- | Enumerate values@@ -1215,7 +1275,7 @@ -- /WARNING:/ This operation can be very inefficient. If at all possible, use -- 'enumFromStepN' instead. enumFromTo :: (Enum a, Monad m) => a -> a -> Stream m a-{-# INLINE_STREAM enumFromTo #-}+{-# INLINE_FUSED enumFromTo #-} enumFromTo x y = fromList [x .. y] -- NOTE: We use (x+1) instead of (succ x) below because the latter checks for@@ -1223,13 +1283,11 @@ -- FIXME: add "too large" test for Int enumFromTo_small :: (Integral a, Monad m) => a -> a -> Stream m a-{-# INLINE_STREAM enumFromTo_small #-}-enumFromTo_small x y = x `seq` y `seq` Stream step x (Exact n)+{-# INLINE_FUSED enumFromTo_small #-}+enumFromTo_small x y = x `seq` y `seq` Stream step x where- n = delay_inline max (fromIntegral y - fromIntegral x + 1) 0- {-# INLINE_INNER step #-}- step x | x <= y = return $ Yield x (x+1)+ step w | w <= y = return $ Yield w (w+1) | otherwise = return $ Done {-# RULES@@ -1244,9 +1302,8 @@ enumFromTo = enumFromTo_small :: Monad m => Word8 -> Word8 -> Stream m Word8 "enumFromTo<Word16> [Stream]"- enumFromTo = enumFromTo_small :: Monad m => Word16 -> Word16 -> Stream m Word16+ enumFromTo = enumFromTo_small :: Monad m => Word16 -> Word16 -> Stream m Word16 #-} - #-} #if WORD_SIZE_IN_BITS > 32 @@ -1256,9 +1313,8 @@ enumFromTo = enumFromTo_small :: Monad m => Int32 -> Int32 -> Stream m Int32 "enumFromTo<Word32> [Stream]"- enumFromTo = enumFromTo_small :: Monad m => Word32 -> Word32 -> Stream m Word32+ enumFromTo = enumFromTo_small :: Monad m => Word32 -> Word32 -> Stream m Word32 #-} - #-} #endif @@ -1274,22 +1330,31 @@ -- unsigned types). See http://hackage.haskell.org/trac/ghc/ticket/3744 -- -enumFromTo_int :: (Integral a, Monad m) => a -> a -> Stream m a-{-# INLINE_STREAM enumFromTo_int #-}-enumFromTo_int x y = x `seq` y `seq` Stream step x (Exact (len x y))+enumFromTo_int :: forall m. Monad m => Int -> Int -> Stream m Int+{-# INLINE_FUSED enumFromTo_int #-}+enumFromTo_int x y = x `seq` y `seq` Stream step x where- {-# INLINE [0] len #-}- len x y | x > y = 0- | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"- (n > 0)- $ fromIntegral n- where- n = y-x+1+ -- {-# INLINE [0] len #-}+ -- len :: Int -> Int -> Int+ -- len u v | u > v = 0+ -- | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"+ -- (n > 0)+ -- $ n+ -- where+ -- n = v-u+1 {-# INLINE_INNER step #-}- step x | x <= y = return $ Yield x (x+1)+ step z | z <= y = return $ Yield z (z+1) | otherwise = return $ Done +enumFromTo_intlike :: (Integral a, Monad m) => a -> a -> Stream m a+{-# INLINE_FUSED enumFromTo_intlike #-}+enumFromTo_intlike x y = x `seq` y `seq` Stream step x+ where+ {-# INLINE_INNER step #-}+ step z | z <= y = return $ Yield z (z+1)+ | otherwise = return $ Done+ {-# RULES "enumFromTo<Int> [Stream]"@@ -1298,31 +1363,21 @@ #if WORD_SIZE_IN_BITS > 32 "enumFromTo<Int64> [Stream]"- enumFromTo = enumFromTo_int :: Monad m => Int64 -> Int64 -> Stream m Int64+ enumFromTo = enumFromTo_intlike :: Monad m => Int64 -> Int64 -> Stream m Int64 #-} #else "enumFromTo<Int32> [Stream]"- enumFromTo = enumFromTo_int :: Monad m => Int32 -> Int32 -> Stream m Int32+ enumFromTo = enumFromTo_intlike :: Monad m => Int32 -> Int32 -> Stream m Int32 #-} #endif - #-}- enumFromTo_big_word :: (Integral a, Monad m) => a -> a -> Stream m a-{-# INLINE_STREAM enumFromTo_big_word #-}-enumFromTo_big_word x y = x `seq` y `seq` Stream step x (Exact (len x y))+{-# INLINE_FUSED enumFromTo_big_word #-}+enumFromTo_big_word x y = x `seq` y `seq` Stream step x where- {-# INLINE [0] len #-}- len x y | x > y = 0- | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"- (n < fromIntegral (maxBound :: Int))- $ fromIntegral (n+1)- where- n = y-x- {-# INLINE_INNER step #-}- step x | x <= y = return $ Yield x (x+1)+ step z | z <= y = return $ Yield z (z+1) | otherwise = return $ Done {-# RULES@@ -1344,25 +1399,17 @@ "enumFromTo<Integer> [Stream]" enumFromTo = enumFromTo_big_word- :: Monad m => Integer -> Integer -> Stream m Integer+ :: Monad m => Integer -> Integer -> Stream m Integer #-} - #-} + -- FIXME: the "too large" test is totally wrong enumFromTo_big_int :: (Integral a, Monad m) => a -> a -> Stream m a-{-# INLINE_STREAM enumFromTo_big_int #-}-enumFromTo_big_int x y = x `seq` y `seq` Stream step x (Exact (len x y))+{-# INLINE_FUSED enumFromTo_big_int #-}+enumFromTo_big_int x y = x `seq` y `seq` Stream step x where- {-# INLINE [0] len #-}- len x y | x > y = 0- | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"- (n > 0 && n <= fromIntegral (maxBound :: Int))- $ fromIntegral n- where- n = y-x+1- {-# INLINE_INNER step #-}- step x | x <= y = return $ Yield x (x+1)+ step z | z <= y = return $ Yield z (z+1) | otherwise = return $ Done #if WORD_SIZE_IN_BITS > 32@@ -1370,51 +1417,41 @@ {-# RULES "enumFromTo<Int64> [Stream]"- enumFromTo = enumFromTo_big :: Monad m => Int64 -> Int64 -> Stream m Int64+ enumFromTo = enumFromTo_big_int :: Monad m => Int64 -> Int64 -> Stream m Int64 #-} - #-} + #endif enumFromTo_char :: Monad m => Char -> Char -> Stream m Char-{-# INLINE_STREAM enumFromTo_char #-}-enumFromTo_char x y = x `seq` y `seq` Stream step xn (Exact n)+{-# INLINE_FUSED enumFromTo_char #-}+enumFromTo_char x y = x `seq` y `seq` Stream step xn where xn = ord x yn = ord y - n = delay_inline max 0 (yn - xn + 1)- {-# INLINE_INNER step #-}- step xn | xn <= yn = return $ Yield (unsafeChr xn) (xn+1)+ step zn | zn <= yn = return $ Yield (unsafeChr zn) (zn+1) | otherwise = return $ Done {-# RULES "enumFromTo<Char> [Stream]"- enumFromTo = enumFromTo_char+ enumFromTo = enumFromTo_char #-} - #-} + ------------------------------------------------------------------------ -- Specialise enumFromTo for Float and Double. -- Also, try to do something about pairs? enumFromTo_double :: (Monad m, Ord a, RealFrac a) => a -> a -> Stream m a-{-# INLINE_STREAM enumFromTo_double #-}-enumFromTo_double n m = n `seq` m `seq` Stream step n (Max (len n lim))+{-# INLINE_FUSED enumFromTo_double #-}+enumFromTo_double n m = n `seq` m `seq` Stream step n where lim = m + 1/2 -- important to float out - {-# INLINE [0] len #-}- len x y | x > y = 0- | otherwise = BOUNDS_CHECK(check) "enumFromTo" "vector too large"- (n > 0)- $ fromIntegral n- where- n = truncate (y-x)+2- {-# INLINE_INNER step #-} step x | x <= lim = return $ Yield x (x+1) | otherwise = return $ Done@@ -1425,10 +1462,10 @@ enumFromTo = enumFromTo_double :: Monad m => Double -> Double -> Stream m Double "enumFromTo<Float> [Stream]"- enumFromTo = enumFromTo_double :: Monad m => Float -> Float -> Stream m Float+ enumFromTo = enumFromTo_double :: Monad m => Float -> Float -> Stream m Float #-} - #-} + ------------------------------------------------------------------------ -- | Enumerate values with a given step.@@ -1436,7 +1473,7 @@ -- /WARNING:/ This operation is very inefficient. If at all possible, use -- 'enumFromStepN' instead. enumFromThenTo :: (Enum a, Monad m) => a -> a -> a -> Stream m a-{-# INLINE_STREAM enumFromThenTo #-}+{-# INLINE_FUSED enumFromThenTo #-} enumFromThenTo x y z = fromList [x, y .. z] -- FIXME: Specialise enumFromThenTo.@@ -1452,23 +1489,110 @@ -- | Convert a list to a 'Stream' fromList :: Monad m => [a] -> Stream m a {-# INLINE fromList #-}-fromList xs = unsafeFromList Unknown xs+fromList zs = Stream step zs+ where+ step (x:xs) = return (Yield x xs)+ step [] = return Done --- | Convert the first @n@ elements of a list to a 'Stream'+-- | Convert the first @n@ elements of a list to a 'Bundle' fromListN :: Monad m => Int -> [a] -> Stream m a-{-# INLINE_STREAM fromListN #-}-fromListN n xs = Stream step (xs,n) (Max (delay_inline max n 0))+{-# INLINE_FUSED fromListN #-}+fromListN m zs = Stream step (zs,m) where {-# INLINE_INNER step #-}- step (xs,n) | n <= 0 = return Done+ step (_, n) | n <= 0 = return Done step (x:xs,n) = return (Yield x (xs,n-1))- step ([],n) = return Done+ step ([],_) = return Done --- | Convert a list to a 'Stream' with the given 'Size' hint. -unsafeFromList :: Monad m => Size -> [a] -> Stream m a-{-# INLINE_STREAM unsafeFromList #-}-unsafeFromList sz xs = Stream step xs sz+{-+fromVector :: (Monad m, Vector v a) => v a -> Stream m a+{-# INLINE_FUSED fromVector #-}+fromVector v = v `seq` n `seq` Stream (Unf step 0)+ (Unf vstep True)+ (Just v)+ (Exact n) where- step (x:xs) = return (Yield x xs)- step [] = return Done+ n = basicLength v++ {-# INLINE step #-}+ step i | i >= n = return Done+ | otherwise = case basicUnsafeIndexM v i of+ Box x -> return $ Yield x (i+1)+++ {-# INLINE vstep #-}+ vstep True = return (Yield (Chunk (basicLength v) (\mv -> basicUnsafeCopy mv v)) False)+ vstep False = return Done++fromVectors :: forall m a. (Monad m, Vector v a) => [v a] -> Stream m a+{-# INLINE_FUSED fromVectors #-}+fromVectors vs = Stream (Unf pstep (Left vs))+ (Unf vstep vs)+ Nothing+ (Exact n)+ where+ n = List.foldl' (\k v -> k + basicLength v) 0 vs++ pstep (Left []) = return Done+ pstep (Left (v:vs)) = basicLength v `seq` return (Skip (Right (v,0,vs)))++ pstep (Right (v,i,vs))+ | i >= basicLength v = return $ Skip (Left vs)+ | otherwise = case basicUnsafeIndexM v i of+ Box x -> return $ Yield x (Right (v,i+1,vs))++ -- FIXME: work around bug in GHC 7.6.1+ vstep :: [v a] -> m (Step [v a] (Chunk v a))+ vstep [] = return Done+ vstep (v:vs) = return $ Yield (Chunk (basicLength v)+ (\mv -> INTERNAL_CHECK(check) "concatVectors" "length mismatch"+ (M.basicLength mv == basicLength v)+ $ basicUnsafeCopy mv v)) vs+++concatVectors :: (Monad m, Vector v a) => Stream m (v a) -> Stream m a+{-# INLINE_FUSED concatVectors #-}+concatVectors (Stream step s}+ = Stream (Unf pstep (Left s))+ (Unf vstep s)+ Nothing+ Unknown+ where+ pstep (Left s) = do+ r <- step s+ case r of+ Yield v s' -> basicLength v `seq` return (Skip (Right (v,0,s')))+ Skip s' -> return (Skip (Left s'))+ Done -> return Done++ pstep (Right (v,i,s))+ | i >= basicLength v = return (Skip (Left s))+ | otherwise = case basicUnsafeIndexM v i of+ Box x -> return (Yield x (Right (v,i+1,s)))+++ vstep s = do+ r <- step s+ case r of+ Yield v s' -> return (Yield (Chunk (basicLength v)+ (\mv -> INTERNAL_CHECK(check) "concatVectors" "length mismatch"+ (M.basicLength mv == basicLength v)+ $ basicUnsafeCopy mv v)) s')+ Skip s' -> return (Skip s')+ Done -> return Done++reVector :: Monad m => Stream m a -> Stream m a+{-# INLINE_FUSED reVector #-}+reVector (Stream step s, sSize = n} = Stream step s n++{-# RULES++"reVector [Vector]"+ reVector = id++"reVector/reVector [Vector]" forall s.+ reVector (reVector s) = s #-}+++-}
− Data/Vector/Fusion/Stream/Size.hs
@@ -1,87 +0,0 @@--- |--- Module : Data.Vector.Fusion.Stream.Size--- Copyright : (c) Roman Leshchinskiy 2008-2010--- License : BSD-style------ Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au>--- Stability : experimental--- Portability : portable--- --- Size hints for streams.-----module Data.Vector.Fusion.Stream.Size (- Size(..), smaller, larger, toMax, upperBound-) where--import Data.Vector.Fusion.Util ( delay_inline )---- | Size hint-data Size = Exact Int -- ^ Exact size- | Max Int -- ^ Upper bound on the size- | Unknown -- ^ Unknown size- deriving( Eq, Show )--instance Num Size where- Exact m + Exact n = Exact (m+n)- Exact m + Max n = Max (m+n)-- Max m + Exact n = Max (m+n)- Max m + Max n = Max (m+n)-- _ + _ = Unknown--- Exact m - Exact n = Exact (m-n)- Exact m - Max n = Max m-- Max m - Exact n = Max (m-n)- Max m - Max n = Max m- Max m - Unknown = Max m-- _ - _ = Unknown--- fromInteger n = Exact (fromInteger n)---- | Minimum of two size hints-smaller :: Size -> Size -> Size-{-# INLINE smaller #-}-smaller (Exact m) (Exact n) = Exact (delay_inline min m n)-smaller (Exact m) (Max n) = Max (delay_inline min m n)-smaller (Exact m) Unknown = Max m-smaller (Max m) (Exact n) = Max (delay_inline min m n)-smaller (Max m) (Max n) = Max (delay_inline min m n)-smaller (Max m) Unknown = Max m-smaller Unknown (Exact n) = Max n-smaller Unknown (Max n) = Max n-smaller Unknown Unknown = Unknown---- | Maximum of two size hints-larger :: Size -> Size -> Size-{-# INLINE larger #-}-larger (Exact m) (Exact n) = Exact (delay_inline max m n)-larger (Exact m) (Max n) | m >= n = Exact m- | otherwise = Max n-larger (Max m) (Exact n) | n >= m = Exact n- | otherwise = Max m-larger (Max m) (Max n) = Max (delay_inline max m n)-larger _ _ = Unknown---- | Convert a size hint to an upper bound-toMax :: Size -> Size-toMax (Exact n) = Max n-toMax (Max n) = Max n-toMax Unknown = Unknown---- | Compute the minimum size from a size hint-lowerBound :: Size -> Int-lowerBound (Exact n) = n-lowerBound _ = 0---- | Compute the maximum size from a size hint if possible-upperBound :: Size -> Maybe Int-upperBound (Exact n) = Just n-upperBound (Max n) = Just n-upperBound Unknown = Nothing-
Data/Vector/Fusion/Util.hs view
@@ -6,7 +6,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : portable--- +-- -- Fusion-related utility types -- @@ -16,7 +16,7 @@ delay_inline, delayed_min ) where -import Control.Applicative+import Control.Applicative (Applicative(..)) -- | Identity monad newtype Id a = Id { unId :: a }
Data/Vector/Generic.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE Rank2Types, MultiParamTypeClasses, FlexibleContexts,+{-# LANGUAGE CPP, Rank2Types, MultiParamTypeClasses, FlexibleContexts, TypeFamilies, ScopedTypeVariables, BangPatterns #-} -- | -- Module : Data.Vector.Generic@@ -8,7 +8,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Generic interface to pure vectors. -- @@ -64,7 +64,7 @@ accum, accumulate, accumulate_, unsafeAccum, unsafeAccumulate, unsafeAccumulate_, - -- ** Permutations + -- ** Permutations reverse, backpermute, unsafeBackpermute, -- ** Safe destructive updates@@ -79,7 +79,7 @@ map, imap, concatMap, -- ** Monadic mapping- mapM, mapM_, forM, forM_,+ mapM, imapM, mapM_, imapM_, forM, forM_, -- ** Zipping zipWith, zipWith3, zipWith4, zipWith5, zipWith6,@@ -87,7 +87,7 @@ zip, zip3, zip4, zip5, zip6, -- ** Monadic zipping- zipWithM, zipWithM_,+ zipWithM, izipWithM, zipWithM_, izipWithM_, -- ** Unzipping unzip, unzip3, unzip4, unzip5, unzip6,@@ -115,8 +115,9 @@ minIndex, minIndexBy, maxIndex, maxIndexBy, -- ** Monadic folds- foldM, foldM', fold1M, fold1M',- foldM_, foldM'_, fold1M_, fold1M'_,+ foldM, ifoldM, foldM', ifoldM',+ fold1M, fold1M', foldM_, ifoldM_,+ foldM'_, ifoldM'_, fold1M_, fold1M'_, -- ** Monadic sequencing sequence, sequence_,@@ -142,7 +143,7 @@ -- * Fusion support - -- ** Conversion to/from Streams+ -- ** Conversion to/from Bundles stream, unstream, streamR, unstreamR, -- ** Recycling support@@ -162,22 +163,21 @@ import Data.Vector.Generic.Base -import Data.Vector.Generic.Mutable ( MVector ) import qualified Data.Vector.Generic.Mutable as M import qualified Data.Vector.Generic.New as New import Data.Vector.Generic.New ( New ) -import qualified Data.Vector.Fusion.Stream as Stream-import Data.Vector.Fusion.Stream ( Stream, MStream, Step(..), inplace, liftStream )-import qualified Data.Vector.Fusion.Stream.Monadic as MStream-import Data.Vector.Fusion.Stream.Size+import qualified Data.Vector.Fusion.Bundle as Bundle+import Data.Vector.Fusion.Bundle ( Bundle, MBundle, lift, inplace )+import qualified Data.Vector.Fusion.Bundle.Monadic as MBundle+import Data.Vector.Fusion.Stream.Monadic ( Stream )+import qualified Data.Vector.Fusion.Stream.Monadic as S+import Data.Vector.Fusion.Bundle.Size import Data.Vector.Fusion.Util import Control.Monad.ST ( ST, runST ) import Control.Monad.Primitive-import qualified Control.Monad as Monad-import qualified Data.List as List import Prelude hiding ( length, null, replicate, (++), concat, head, last,@@ -217,27 +217,13 @@ -- | /O(1)/ Yield the length of the vector. length :: Vector v a => v a -> Int-{-# INLINE_STREAM length #-}-length v = basicLength v--{-# RULES--"length/unstream [Vector]" forall s.- length (new (New.unstream s)) = Stream.length s-- #-}+{-# INLINE length #-}+length = Bundle.length . stream -- | /O(1)/ Test whether a vector if empty null :: Vector v a => v a -> Bool-{-# INLINE_STREAM null #-}-null v = basicLength v == 0--{-# RULES--"null/unstream [Vector]" forall s.- null (new (New.unstream s)) = Stream.null s-- #-}+{-# INLINE null #-}+null = Bundle.null . stream -- Indexing -- --------@@ -245,68 +231,68 @@ infixl 9 ! -- | O(1) Indexing (!) :: Vector v a => v a -> Int -> a-{-# INLINE_STREAM (!) #-}+{-# INLINE_FUSED (!) #-} (!) v i = BOUNDS_CHECK(checkIndex) "(!)" i (length v) $ unId (basicUnsafeIndexM v i) infixl 9 !? -- | O(1) Safe indexing (!?) :: Vector v a => v a -> Int -> Maybe a-{-# INLINE_STREAM (!?) #-}+{-# INLINE_FUSED (!?) #-} v !? i | i < 0 || i >= length v = Nothing | otherwise = Just $ unsafeIndex v i -- | /O(1)/ First element head :: Vector v a => v a -> a-{-# INLINE_STREAM head #-}+{-# INLINE_FUSED head #-} head v = v ! 0 -- | /O(1)/ Last element last :: Vector v a => v a -> a-{-# INLINE_STREAM last #-}+{-# INLINE_FUSED last #-} last v = v ! (length v - 1) -- | /O(1)/ Unsafe indexing without bounds checking unsafeIndex :: Vector v a => v a -> Int -> a-{-# INLINE_STREAM unsafeIndex #-}+{-# INLINE_FUSED unsafeIndex #-} unsafeIndex v i = UNSAFE_CHECK(checkIndex) "unsafeIndex" i (length v) $ unId (basicUnsafeIndexM v i) -- | /O(1)/ First element without checking if the vector is empty unsafeHead :: Vector v a => v a -> a-{-# INLINE_STREAM unsafeHead #-}+{-# INLINE_FUSED unsafeHead #-} unsafeHead v = unsafeIndex v 0 -- | /O(1)/ Last element without checking if the vector is empty unsafeLast :: Vector v a => v a -> a-{-# INLINE_STREAM unsafeLast #-}+{-# INLINE_FUSED unsafeLast #-} unsafeLast v = unsafeIndex v (length v - 1) {-# RULES "(!)/unstream [Vector]" forall i s.- new (New.unstream s) ! i = s Stream.!! i+ new (New.unstream s) ! i = s Bundle.!! i "(!?)/unstream [Vector]" forall i s.- new (New.unstream s) !? i = s Stream.!? i+ new (New.unstream s) !? i = s Bundle.!? i "head/unstream [Vector]" forall s.- head (new (New.unstream s)) = Stream.head s+ head (new (New.unstream s)) = Bundle.head s "last/unstream [Vector]" forall s.- last (new (New.unstream s)) = Stream.last s+ last (new (New.unstream s)) = Bundle.last s "unsafeIndex/unstream [Vector]" forall i s.- unsafeIndex (new (New.unstream s)) i = s Stream.!! i+ unsafeIndex (new (New.unstream s)) i = s Bundle.!! i "unsafeHead/unstream [Vector]" forall s.- unsafeHead (new (New.unstream s)) = Stream.head s+ unsafeHead (new (New.unstream s)) = Bundle.head s "unsafeLast/unstream [Vector]" forall s.- unsafeLast (new (New.unstream s)) = Stream.last s+ unsafeLast (new (New.unstream s)) = Bundle.last s #-} - #-} + -- Monadic indexing -- ---------------- @@ -330,63 +316,63 @@ -- elements) is evaluated eagerly. -- indexM :: (Vector v a, Monad m) => v a -> Int -> m a-{-# INLINE_STREAM indexM #-}+{-# INLINE_FUSED indexM #-} indexM v i = BOUNDS_CHECK(checkIndex) "indexM" i (length v) $ basicUnsafeIndexM v i -- | /O(1)/ First element of a vector in a monad. See 'indexM' for an -- explanation of why this is useful. headM :: (Vector v a, Monad m) => v a -> m a-{-# INLINE_STREAM headM #-}+{-# INLINE_FUSED headM #-} headM v = indexM v 0 -- | /O(1)/ Last element of a vector in a monad. See 'indexM' for an -- explanation of why this is useful. lastM :: (Vector v a, Monad m) => v a -> m a-{-# INLINE_STREAM lastM #-}+{-# INLINE_FUSED lastM #-} lastM v = indexM v (length v - 1) -- | /O(1)/ Indexing in a monad without bounds checks. See 'indexM' for an -- explanation of why this is useful. unsafeIndexM :: (Vector v a, Monad m) => v a -> Int -> m a-{-# INLINE_STREAM unsafeIndexM #-}+{-# INLINE_FUSED unsafeIndexM #-} unsafeIndexM v i = UNSAFE_CHECK(checkIndex) "unsafeIndexM" i (length v) $ basicUnsafeIndexM v i -- | /O(1)/ First element in a monad without checking for empty vectors. -- See 'indexM' for an explanation of why this is useful. unsafeHeadM :: (Vector v a, Monad m) => v a -> m a-{-# INLINE_STREAM unsafeHeadM #-}+{-# INLINE_FUSED unsafeHeadM #-} unsafeHeadM v = unsafeIndexM v 0 -- | /O(1)/ Last element in a monad without checking for empty vectors. -- See 'indexM' for an explanation of why this is useful. unsafeLastM :: (Vector v a, Monad m) => v a -> m a-{-# INLINE_STREAM unsafeLastM #-}+{-# INLINE_FUSED unsafeLastM #-} unsafeLastM v = unsafeIndexM v (length v - 1) {-# RULES "indexM/unstream [Vector]" forall s i.- indexM (new (New.unstream s)) i = liftStream s MStream.!! i+ indexM (new (New.unstream s)) i = lift s MBundle.!! i "headM/unstream [Vector]" forall s.- headM (new (New.unstream s)) = MStream.head (liftStream s)+ headM (new (New.unstream s)) = MBundle.head (lift s) "lastM/unstream [Vector]" forall s.- lastM (new (New.unstream s)) = MStream.last (liftStream s)+ lastM (new (New.unstream s)) = MBundle.last (lift s) "unsafeIndexM/unstream [Vector]" forall s i.- unsafeIndexM (new (New.unstream s)) i = liftStream s MStream.!! i+ unsafeIndexM (new (New.unstream s)) i = lift s MBundle.!! i "unsafeHeadM/unstream [Vector]" forall s.- unsafeHeadM (new (New.unstream s)) = MStream.head (liftStream s)+ unsafeHeadM (new (New.unstream s)) = MBundle.head (lift s) "unsafeLastM/unstream [Vector]" forall s.- unsafeLastM (new (New.unstream s)) = MStream.last (liftStream s)+ unsafeLastM (new (New.unstream s)) = MBundle.last (lift s) #-} - #-} + -- Extracting subvectors (slicing) -- ------------------------------- @@ -396,33 +382,33 @@ -> Int -- ^ @n@ length -> v a -> v a-{-# INLINE_STREAM slice #-}+{-# INLINE_FUSED slice #-} slice i n v = BOUNDS_CHECK(checkSlice) "slice" i n (length v) $ basicUnsafeSlice i n v -- | /O(1)/ Yield all but the last element without copying. The vector may not -- be empty. init :: Vector v a => v a -> v a-{-# INLINE_STREAM init #-}+{-# INLINE_FUSED init #-} init v = slice 0 (length v - 1) v -- | /O(1)/ Yield all but the first element without copying. The vector may not -- be empty. tail :: Vector v a => v a -> v a-{-# INLINE_STREAM tail #-}+{-# INLINE_FUSED tail #-} tail v = slice 1 (length v - 1) v -- | /O(1)/ Yield the first @n@ elements without copying. The vector may -- contain less than @n@ elements in which case it is returned unchanged. take :: Vector v a => Int -> v a -> v a-{-# INLINE_STREAM take #-}+{-# INLINE_FUSED take #-} take n v = unsafeSlice 0 (delay_inline min n' (length v)) v where n' = max n 0 -- | /O(1)/ Yield all but the first @n@ elements without copying. The vector may -- contain less than @n@ elements in which case an empty vector is returned. drop :: Vector v a => Int -> v a -> v a-{-# INLINE_STREAM drop #-}+{-# INLINE_FUSED drop #-} drop n v = unsafeSlice (delay_inline min n' len) (delay_inline max 0 (len - n')) v where n' = max n 0@@ -432,7 +418,7 @@ -- -- Note that @'splitAt' n v@ is equivalent to @('take' n v, 'drop' n v)@ -- but slightly more efficient.-{-# INLINE_STREAM splitAt #-}+{-# INLINE_FUSED splitAt #-} splitAt :: Vector v a => Int -> v a -> (v a, v a) splitAt n v = ( unsafeSlice 0 m v , unsafeSlice m (delay_inline max 0 (len - n')) v@@ -448,20 +434,20 @@ -> Int -- ^ @n@ length -> v a -> v a-{-# INLINE_STREAM unsafeSlice #-}+{-# INLINE_FUSED unsafeSlice #-} unsafeSlice i n v = UNSAFE_CHECK(checkSlice) "unsafeSlice" i n (length v) $ basicUnsafeSlice i n v -- | /O(1)/ Yield all but the last element without copying. The vector may not -- be empty but this is not checked. unsafeInit :: Vector v a => v a -> v a-{-# INLINE_STREAM unsafeInit #-}+{-# INLINE_FUSED unsafeInit #-} unsafeInit v = unsafeSlice 0 (length v - 1) v -- | /O(1)/ Yield all but the first element without copying. The vector may not -- be empty but this is not checked. unsafeTail :: Vector v a => v a -> v a-{-# INLINE_STREAM unsafeTail #-}+{-# INLINE_FUSED unsafeTail #-} unsafeTail v = unsafeSlice 1 (length v - 1) v -- | /O(1)/ Yield the first @n@ elements without copying. The vector must@@ -500,41 +486,41 @@ unsafeInit (new p) = new (New.unsafeInit p) "unsafeTail/new [Vector]" forall p.- unsafeTail (new p) = new (New.unsafeTail p)+ unsafeTail (new p) = new (New.unsafeTail p) #-} - #-} + -- Initialisation -- -------------- -- | /O(1)/ Empty vector empty :: Vector v a => v a {-# INLINE empty #-}-empty = unstream Stream.empty+empty = unstream Bundle.empty -- | /O(1)/ Vector with exactly one element singleton :: forall v a. Vector v a => a -> v a {-# INLINE singleton #-} singleton x = elemseq (undefined :: v a) x- $ unstream (Stream.singleton x)+ $ unstream (Bundle.singleton x) -- | /O(n)/ Vector of the given length with the same value in each position replicate :: forall v a. Vector v a => Int -> a -> v a {-# INLINE replicate #-} replicate n x = elemseq (undefined :: v a) x $ unstream- $ Stream.replicate n x+ $ Bundle.replicate n x -- | /O(n)/ Construct a vector of the given length by applying the function to -- each index generate :: Vector v a => Int -> (Int -> a) -> v a {-# INLINE generate #-}-generate n f = unstream (Stream.generate n f)+generate n f = unstream (Bundle.generate n f) -- | /O(n)/ Apply function n times to value. Zeroth element is original value. iterateN :: Vector v a => Int -> (a -> a) -> a -> v a {-# INLINE iterateN #-}-iterateN n f x = unstream (Stream.iterateN n f x)+iterateN n f x = unstream (Bundle.iterateN n f x) -- Unfolding -- ---------@@ -547,7 +533,7 @@ -- > = <10,9,8,7,6,5,4,3,2,1> unfoldr :: Vector v a => (b -> Maybe (a, b)) -> b -> v a {-# INLINE unfoldr #-}-unfoldr f = unstream . Stream.unfoldr f+unfoldr f = unstream . Bundle.unfoldr f -- | /O(n)/ Construct a vector with at most @n@ by repeatedly applying the -- generator function to the a seed. The generator function yields 'Just' the@@ -556,7 +542,7 @@ -- > unfoldrN 3 (\n -> Just (n,n-1)) 10 = <10,9,8> unfoldrN :: Vector v a => Int -> (b -> Maybe (a, b)) -> b -> v a {-# INLINE unfoldrN #-}-unfoldrN n f = unstream . Stream.unfoldrN n f+unfoldrN n f = unstream . Bundle.unfoldrN n f -- | /O(n)/ Construct a vector with @n@ elements by repeatedly applying the -- generator function to the already constructed part of the vector.@@ -584,7 +570,7 @@ v'' <- unsafeFreeze v' fill v'' (i+1) - fill v i = return v+ fill v _ = return v -- | /O(n)/ Construct a vector with @n@ elements from right to left by -- repeatedly applying the generator function to the already constructed part@@ -613,7 +599,7 @@ v'' <- unsafeFreeze v' fill v'' (i+1) - fill v i = return v+ fill v _ = return v -- Enumeration@@ -636,7 +622,7 @@ enumFromStepN x y n = elemseq (undefined :: v a) x $ elemseq (undefined :: v a) y $ unstream- $ Stream.enumFromStepN x y n+ $ Bundle.enumFromStepN x y n -- | /O(n)/ Enumerate values from @x@ to @y@. --@@ -644,7 +630,7 @@ -- 'enumFromN' instead. enumFromTo :: (Vector v a, Enum a) => a -> a -> v a {-# INLINE enumFromTo #-}-enumFromTo x y = unstream (Stream.enumFromTo x y)+enumFromTo x y = unstream (Bundle.enumFromTo x y) -- | /O(n)/ Enumerate values from @x@ to @y@ with a specific step @z@. --@@ -652,7 +638,7 @@ -- 'enumFromStepN' instead. enumFromThenTo :: (Vector v a, Enum a) => a -> a -> a -> v a {-# INLINE enumFromThenTo #-}-enumFromThenTo x y z = unstream (Stream.enumFromThenTo x y z)+enumFromThenTo x y z = unstream (Bundle.enumFromThenTo x y z) -- Concatenation -- -------------@@ -662,7 +648,7 @@ {-# INLINE cons #-} cons x v = elemseq (undefined :: v a) x $ unstream- $ Stream.cons x+ $ Bundle.cons x $ stream v -- | /O(n)/ Append an element@@ -670,31 +656,34 @@ {-# INLINE snoc #-} snoc v x = elemseq (undefined :: v a) x $ unstream- $ Stream.snoc (stream v) x+ $ Bundle.snoc (stream v) x infixr 5 ++ -- | /O(m+n)/ Concatenate two vectors (++) :: Vector v a => v a -> v a -> v a {-# INLINE (++) #-}-v ++ w = unstream (stream v Stream.++ stream w)+v ++ w = unstream (stream v Bundle.++ stream w) -- | /O(n)/ Concatenate all vectors in the list concat :: Vector v a => [v a] -> v a {-# INLINE concat #-}-concat vs = unstream (Stream.flatten mk step (Exact n) (Stream.fromList vs))+concat = unstream . Bundle.fromVectors+{-+concat vs = unstream (Bundle.flatten mk step (Exact n) (Bundle.fromList vs)) where n = List.foldl' (\k v -> k + length v) 0 vs {-# INLINE_INNER step #-} step (v,i,k) | i < k = case unsafeIndexM v i of- Box x -> Stream.Yield x (v,i+1,k)- | otherwise = Stream.Done+ Box x -> Bundle.Yield x (v,i+1,k)+ | otherwise = Bundle.Done {-# INLINE mk #-} mk v = let k = length v in k `seq` (v,0,k)+-} -- Monadic initialisation -- ----------------------@@ -703,13 +692,13 @@ -- results in a vector. replicateM :: (Monad m, Vector v a) => Int -> m a -> m (v a) {-# INLINE replicateM #-}-replicateM n m = unstreamM (MStream.replicateM n m)+replicateM n m = unstreamM (MBundle.replicateM n m) -- | /O(n)/ Construct a vector of the given length by applying the monadic -- action to each index generateM :: (Monad m, Vector v a) => Int -> (Int -> m a) -> m (v a) {-# INLINE generateM #-}-generateM n f = unstreamM (MStream.generateM n f)+generateM n f = unstreamM (MBundle.generateM n f) -- | Execute the monadic action and freeze the resulting vector. --@@ -736,7 +725,7 @@ force :: Vector v a => v a -> v a -- FIXME: we probably ought to inline this later as the rules still might fire -- otherwise-{-# INLINE_STREAM force #-}+{-# INLINE_FUSED force #-} force v = new (clone v) -- Bulk updates@@ -751,7 +740,7 @@ -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) -> v a {-# INLINE (//) #-}-v // us = update_stream v (Stream.fromList us)+v // us = update_stream v (Bundle.fromList us) -- | /O(m+n)/ For each pair @(i,a)@ from the vector of index/value pairs, -- replace the vector element at position @i@ by @a@.@@ -783,16 +772,16 @@ -> v a -- ^ value vector (of length @n2@) -> v a {-# INLINE update_ #-}-update_ v is w = update_stream v (Stream.zipWith (,) (stream is) (stream w))+update_ v is w = update_stream v (Bundle.zipWith (,) (stream is) (stream w)) -update_stream :: Vector v a => v a -> Stream (Int,a) -> v a+update_stream :: Vector v a => v a -> Bundle u (Int,a) -> v a {-# INLINE update_stream #-}-update_stream = modifyWithStream M.update+update_stream = modifyWithBundle M.update -- | Same as ('//') but without bounds checking. unsafeUpd :: Vector v a => v a -> [(Int, a)] -> v a {-# INLINE unsafeUpd #-}-unsafeUpd v us = unsafeUpdate_stream v (Stream.fromList us)+unsafeUpd v us = unsafeUpdate_stream v (Bundle.fromList us) -- | Same as 'update' but without bounds checking. unsafeUpdate :: (Vector v a, Vector v (Int, a)) => v a -> v (Int, a) -> v a@@ -803,11 +792,11 @@ unsafeUpdate_ :: (Vector v a, Vector v Int) => v a -> v Int -> v a -> v a {-# INLINE unsafeUpdate_ #-} unsafeUpdate_ v is w- = unsafeUpdate_stream v (Stream.zipWith (,) (stream is) (stream w))+ = unsafeUpdate_stream v (Bundle.zipWith (,) (stream is) (stream w)) -unsafeUpdate_stream :: Vector v a => v a -> Stream (Int,a) -> v a+unsafeUpdate_stream :: Vector v a => v a -> Bundle u (Int,a) -> v a {-# INLINE unsafeUpdate_stream #-}-unsafeUpdate_stream = modifyWithStream M.unsafeUpdate+unsafeUpdate_stream = modifyWithBundle M.unsafeUpdate -- Accumulations -- -------------@@ -822,7 +811,7 @@ -> [(Int,b)] -- ^ list of index/value pairs (of length @n@) -> v a {-# INLINE accum #-}-accum f v us = accum_stream f v (Stream.fromList us)+accum f v us = accum_stream f v (Bundle.fromList us) -- | /O(m+n)/ For each pair @(i,b)@ from the vector of pairs, replace the vector -- element @a@ at position @i@ by @f a b@.@@ -856,18 +845,18 @@ -> v b -- ^ value vector (of length @n2@) -> v a {-# INLINE accumulate_ #-}-accumulate_ f v is xs = accum_stream f v (Stream.zipWith (,) (stream is)+accumulate_ f v is xs = accum_stream f v (Bundle.zipWith (,) (stream is) (stream xs))- -accum_stream :: Vector v a => (a -> b -> a) -> v a -> Stream (Int,b) -> v a++accum_stream :: Vector v a => (a -> b -> a) -> v a -> Bundle u (Int,b) -> v a {-# INLINE accum_stream #-}-accum_stream f = modifyWithStream (M.accum f)+accum_stream f = modifyWithBundle (M.accum f) -- | Same as 'accum' but without bounds checking. unsafeAccum :: Vector v a => (a -> b -> a) -> v a -> [(Int,b)] -> v a {-# INLINE unsafeAccum #-}-unsafeAccum f v us = unsafeAccum_stream f v (Stream.fromList us)+unsafeAccum f v us = unsafeAccum_stream f v (Bundle.fromList us) -- | Same as 'accumulate' but without bounds checking. unsafeAccumulate :: (Vector v a, Vector v (Int, b))@@ -880,12 +869,12 @@ => (a -> b -> a) -> v a -> v Int -> v b -> v a {-# INLINE unsafeAccumulate_ #-} unsafeAccumulate_ f v is xs- = unsafeAccum_stream f v (Stream.zipWith (,) (stream is) (stream xs))+ = unsafeAccum_stream f v (Bundle.zipWith (,) (stream is) (stream xs)) unsafeAccum_stream- :: Vector v a => (a -> b -> a) -> v a -> Stream (Int,b) -> v a+ :: Vector v a => (a -> b -> a) -> v a -> Bundle u (Int,b) -> v a {-# INLINE unsafeAccum_stream #-}-unsafeAccum_stream f = modifyWithStream (M.unsafeAccum f)+unsafeAccum_stream f = modifyWithBundle (M.unsafeAccum f) -- Permutations -- ------------@@ -912,8 +901,8 @@ backpermute v is = seq v $ seq n $ unstream- $ Stream.unbox- $ Stream.map index+ $ Bundle.unbox+ $ Bundle.map index $ stream is where n = length v@@ -930,8 +919,8 @@ unsafeBackpermute v is = seq v $ seq n $ unstream- $ Stream.unbox- $ Stream.map index+ $ Bundle.unbox+ $ Bundle.map index $ stream is where n = length v@@ -958,11 +947,11 @@ -- We have to make sure that this is strict in the stream but we can't seq on -- it while fusion is happening. Hence this ugliness.-modifyWithStream :: Vector v a- => (forall s. Mutable v s a -> Stream b -> ST s ())- -> v a -> Stream b -> v a-{-# INLINE modifyWithStream #-}-modifyWithStream p v s = new (New.modifyWithStream p (clone v) s)+modifyWithBundle :: Vector v a+ => (forall s. Mutable v s a -> Bundle u b -> ST s ())+ -> v a -> Bundle u b -> v a+{-# INLINE modifyWithBundle #-}+modifyWithBundle p v s = new (New.modifyWithBundle p (clone v) s) -- Indexing -- --------@@ -970,7 +959,7 @@ -- | /O(n)/ Pair each element in a vector with its index indexed :: (Vector v a, Vector v (Int,a)) => v a -> v (Int,a) {-# INLINE indexed #-}-indexed = unstream . Stream.indexed . stream+indexed = unstream . Bundle.indexed . stream -- Mapping -- -------@@ -978,12 +967,12 @@ -- | /O(n)/ Map a function over a vector map :: (Vector v a, Vector v b) => (a -> b) -> v a -> v b {-# INLINE map #-}-map f = unstream . inplace (MStream.map f) . stream+map f = unstream . inplace (S.map f) id . stream -- | /O(n)/ Apply a function to every element of a vector and its index imap :: (Vector v a, Vector v b) => (Int -> a -> b) -> v a -> v b {-# INLINE imap #-}-imap f = unstream . inplace (MStream.map (uncurry f) . MStream.indexed)+imap f = unstream . inplace (S.map (uncurry f) . S.indexed) id . stream -- | Map a function over a vector and concatenate the results.@@ -991,28 +980,36 @@ {-# INLINE concatMap #-} -- NOTE: We can't fuse concatMap anyway so don't pretend we do. -- This seems to be slightly slower--- concatMap f = concat . Stream.toList . Stream.map f . stream+-- concatMap f = concat . Bundle.toList . Bundle.map f . stream -- Slowest--- concatMap f = unstream . Stream.concatMap (stream . f) . stream+-- concatMap f = unstream . Bundle.concatMap (stream . f) . stream --- Seems to be fastest+-- Used to be fastest+{- concatMap f = unstream- . Stream.flatten mk step Unknown+ . Bundle.flatten mk step Unknown . stream where {-# INLINE_INNER step #-} step (v,i,k) | i < k = case unsafeIndexM v i of- Box x -> Stream.Yield x (v,i+1,k)- | otherwise = Stream.Done+ Box x -> Bundle.Yield x (v,i+1,k)+ | otherwise = Bundle.Done {-# INLINE mk #-} mk x = let v = f x k = length v in k `seq` (v,0,k)+-} +-- This seems to be fastest now+concatMap f = unstream+ . Bundle.concatVectors+ . Bundle.map f+ . stream+ -- Monadic mapping -- --------------- @@ -1020,14 +1017,26 @@ -- vector of results mapM :: (Monad m, Vector v a, Vector v b) => (a -> m b) -> v a -> m (v b) {-# INLINE mapM #-}-mapM f = unstreamM . Stream.mapM f . stream+mapM f = unstreamM . Bundle.mapM f . stream +-- | /O(n)/ Apply the monadic action to every element of a vector and its+-- index, yielding a vector of results+imapM :: (Monad m, Vector v a, Vector v b)+ => (Int -> a -> m b) -> v a -> m (v b)+imapM f = unstreamM . Bundle.mapM (uncurry f) . Bundle.indexed . stream+ -- | /O(n)/ Apply the monadic action to all elements of a vector and ignore the -- results mapM_ :: (Monad m, Vector v a) => (a -> m b) -> v a -> m () {-# INLINE mapM_ #-}-mapM_ f = Stream.mapM_ f . stream+mapM_ f = Bundle.mapM_ f . stream +-- | /O(n)/ Apply the monadic action to every element of a vector and its+-- index, ignoring the results+imapM_ :: (Monad m, Vector v a) => (Int -> a -> m b) -> v a -> m ()+{-# INLINE imapM_ #-}+imapM_ f = Bundle.mapM_ (uncurry f) . Bundle.indexed . stream+ -- | /O(n)/ Apply the monadic action to all elements of the vector, yielding a -- vector of results. Equvalent to @flip 'mapM'@. forM :: (Monad m, Vector v a, Vector v b) => v a -> (a -> m b) -> m (v b)@@ -1047,21 +1056,21 @@ zipWith :: (Vector v a, Vector v b, Vector v c) => (a -> b -> c) -> v a -> v b -> v c {-# INLINE zipWith #-}-zipWith f xs ys = unstream (Stream.zipWith f (stream xs) (stream ys))+zipWith f = \xs ys -> unstream (Bundle.zipWith f (stream xs) (stream ys)) -- | Zip three vectors with the given function. zipWith3 :: (Vector v a, Vector v b, Vector v c, Vector v d) => (a -> b -> c -> d) -> v a -> v b -> v c -> v d {-# INLINE zipWith3 #-}-zipWith3 f as bs cs = unstream (Stream.zipWith3 f (stream as)+zipWith3 f = \as bs cs -> unstream (Bundle.zipWith3 f (stream as) (stream bs) (stream cs)) zipWith4 :: (Vector v a, Vector v b, Vector v c, Vector v d, Vector v e) => (a -> b -> c -> d -> e) -> v a -> v b -> v c -> v d -> v e {-# INLINE zipWith4 #-}-zipWith4 f as bs cs ds- = unstream (Stream.zipWith4 f (stream as)+zipWith4 f = \as bs cs ds ->+ unstream (Bundle.zipWith4 f (stream as) (stream bs) (stream cs) (stream ds))@@ -1071,8 +1080,8 @@ => (a -> b -> c -> d -> e -> f) -> v a -> v b -> v c -> v d -> v e -> v f {-# INLINE zipWith5 #-}-zipWith5 f as bs cs ds es- = unstream (Stream.zipWith5 f (stream as)+zipWith5 f = \as bs cs ds es ->+ unstream (Bundle.zipWith5 f (stream as) (stream bs) (stream cs) (stream ds)@@ -1083,8 +1092,8 @@ => (a -> b -> c -> d -> e -> f -> g) -> v a -> v b -> v c -> v d -> v e -> v f -> v g {-# INLINE zipWith6 #-}-zipWith6 f as bs cs ds es fs- = unstream (Stream.zipWith6 f (stream as)+zipWith6 f = \as bs cs ds es fs ->+ unstream (Bundle.zipWith6 f (stream as) (stream bs) (stream cs) (stream ds)@@ -1096,23 +1105,23 @@ izipWith :: (Vector v a, Vector v b, Vector v c) => (Int -> a -> b -> c) -> v a -> v b -> v c {-# INLINE izipWith #-}-izipWith f xs ys = unstream- (Stream.zipWith (uncurry f) (Stream.indexed (stream xs))- (stream ys))+izipWith f = \xs ys ->+ unstream (Bundle.zipWith (uncurry f) (Bundle.indexed (stream xs))+ (stream ys)) izipWith3 :: (Vector v a, Vector v b, Vector v c, Vector v d) => (Int -> a -> b -> c -> d) -> v a -> v b -> v c -> v d {-# INLINE izipWith3 #-}-izipWith3 f as bs cs- = unstream (Stream.zipWith3 (uncurry f) (Stream.indexed (stream as))+izipWith3 f = \as bs cs ->+ unstream (Bundle.zipWith3 (uncurry f) (Bundle.indexed (stream as)) (stream bs) (stream cs)) izipWith4 :: (Vector v a, Vector v b, Vector v c, Vector v d, Vector v e) => (Int -> a -> b -> c -> d -> e) -> v a -> v b -> v c -> v d -> v e {-# INLINE izipWith4 #-}-izipWith4 f as bs cs ds- = unstream (Stream.zipWith4 (uncurry f) (Stream.indexed (stream as))+izipWith4 f = \as bs cs ds ->+ unstream (Bundle.zipWith4 (uncurry f) (Bundle.indexed (stream as)) (stream bs) (stream cs) (stream ds))@@ -1122,8 +1131,8 @@ => (Int -> a -> b -> c -> d -> e -> f) -> v a -> v b -> v c -> v d -> v e -> v f {-# INLINE izipWith5 #-}-izipWith5 f as bs cs ds es- = unstream (Stream.zipWith5 (uncurry f) (Stream.indexed (stream as))+izipWith5 f = \as bs cs ds es ->+ unstream (Bundle.zipWith5 (uncurry f) (Bundle.indexed (stream as)) (stream bs) (stream cs) (stream ds)@@ -1134,8 +1143,8 @@ => (Int -> a -> b -> c -> d -> e -> f -> g) -> v a -> v b -> v c -> v d -> v e -> v f -> v g {-# INLINE izipWith6 #-}-izipWith6 f as bs cs ds es fs- = unstream (Stream.zipWith6 (uncurry f) (Stream.indexed (stream as))+izipWith6 f = \as bs cs ds es fs ->+ unstream (Bundle.zipWith6 (uncurry f) (Bundle.indexed (stream as)) (stream bs) (stream cs) (stream ds)@@ -1178,15 +1187,33 @@ => (a -> b -> m c) -> v a -> v b -> m (v c) -- FIXME: specialise for ST and IO? {-# INLINE zipWithM #-}-zipWithM f as bs = unstreamM $ Stream.zipWithM f (stream as) (stream bs)+zipWithM f = \as bs -> unstreamM $ Bundle.zipWithM f (stream as) (stream bs) +-- | /O(min(m,n))/ Zip the two vectors with a monadic action that also takes+-- the element index and yield a vector of results+izipWithM :: (Monad m, Vector v a, Vector v b, Vector v c)+ => (Int -> a -> b -> m c) -> v a -> v b -> m (v c)+{-# INLINE izipWithM #-}+izipWithM m as bs = unstreamM . Bundle.zipWithM (uncurry m)+ (Bundle.indexed (stream as))+ $ stream bs+ -- | /O(min(m,n))/ Zip the two vectors with the monadic action and ignore the -- results zipWithM_ :: (Monad m, Vector v a, Vector v b) => (a -> b -> m c) -> v a -> v b -> m () {-# INLINE zipWithM_ #-}-zipWithM_ f as bs = Stream.zipWithM_ f (stream as) (stream bs)+zipWithM_ f = \as bs -> Bundle.zipWithM_ f (stream as) (stream bs) +-- | /O(min(m,n))/ Zip the two vectors with a monadic action that also takes+-- the element index and ignore the results+izipWithM_ :: (Monad m, Vector v a, Vector v b)+ => (Int -> a -> b -> m c) -> v a -> v b -> m ()+{-# INLINE izipWithM_ #-}+izipWithM_ m as bs = Bundle.zipWithM_ (uncurry m)+ (Bundle.indexed (stream as))+ $ stream bs+ -- Unzipping -- --------- @@ -1198,39 +1225,39 @@ unzip3 :: (Vector v a, Vector v b, Vector v c, Vector v (a, b, c)) => v (a, b, c) -> (v a, v b, v c) {-# INLINE unzip3 #-}-unzip3 xs = (map (\(a, b, c) -> a) xs,- map (\(a, b, c) -> b) xs,- map (\(a, b, c) -> c) xs)+unzip3 xs = (map (\(a, _, _) -> a) xs,+ map (\(_, b, _) -> b) xs,+ map (\(_, _, c) -> c) xs) unzip4 :: (Vector v a, Vector v b, Vector v c, Vector v d, Vector v (a, b, c, d)) => v (a, b, c, d) -> (v a, v b, v c, v d) {-# INLINE unzip4 #-}-unzip4 xs = (map (\(a, b, c, d) -> a) xs,- map (\(a, b, c, d) -> b) xs,- map (\(a, b, c, d) -> c) xs,- map (\(a, b, c, d) -> d) xs)+unzip4 xs = (map (\(a, _, _, _) -> a) xs,+ map (\(_, b, _, _) -> b) xs,+ map (\(_, _, c, _) -> c) xs,+ map (\(_, _, _, d) -> d) xs) unzip5 :: (Vector v a, Vector v b, Vector v c, Vector v d, Vector v e, Vector v (a, b, c, d, e)) => v (a, b, c, d, e) -> (v a, v b, v c, v d, v e) {-# INLINE unzip5 #-}-unzip5 xs = (map (\(a, b, c, d, e) -> a) xs,- map (\(a, b, c, d, e) -> b) xs,- map (\(a, b, c, d, e) -> c) xs,- map (\(a, b, c, d, e) -> d) xs,- map (\(a, b, c, d, e) -> e) xs)+unzip5 xs = (map (\(a, _, _, _, _) -> a) xs,+ map (\(_, b, _, _, _) -> b) xs,+ map (\(_, _, c, _, _) -> c) xs,+ map (\(_, _, _, d, _) -> d) xs,+ map (\(_, _, _, _, e) -> e) xs) unzip6 :: (Vector v a, Vector v b, Vector v c, Vector v d, Vector v e, Vector v f, Vector v (a, b, c, d, e, f)) => v (a, b, c, d, e, f) -> (v a, v b, v c, v d, v e, v f) {-# INLINE unzip6 #-}-unzip6 xs = (map (\(a, b, c, d, e, f) -> a) xs,- map (\(a, b, c, d, e, f) -> b) xs,- map (\(a, b, c, d, e, f) -> c) xs,- map (\(a, b, c, d, e, f) -> d) xs,- map (\(a, b, c, d, e, f) -> e) xs,- map (\(a, b, c, d, e, f) -> f) xs)+unzip6 xs = (map (\(a, _, _, _, _, _) -> a) xs,+ map (\(_, b, _, _, _, _) -> b) xs,+ map (\(_, _, c, _, _, _) -> c) xs,+ map (\(_, _, _, d, _, _) -> d) xs,+ map (\(_, _, _, _, e, _) -> e) xs,+ map (\(_, _, _, _, _, f) -> f) xs) -- Filtering -- ---------@@ -1238,33 +1265,32 @@ -- | /O(n)/ Drop elements that do not satisfy the predicate filter :: Vector v a => (a -> Bool) -> v a -> v a {-# INLINE filter #-}-filter f = unstream . inplace (MStream.filter f) . stream+filter f = unstream . inplace (S.filter f) toMax . stream -- | /O(n)/ Drop elements that do not satisfy the predicate which is applied to -- values and their indices ifilter :: Vector v a => (Int -> a -> Bool) -> v a -> v a {-# INLINE ifilter #-} ifilter f = unstream- . inplace (MStream.map snd . MStream.filter (uncurry f)- . MStream.indexed)+ . inplace (S.map snd . S.filter (uncurry f) . S.indexed) toMax . stream -- | /O(n)/ Drop elements that do not satisfy the monadic predicate filterM :: (Monad m, Vector v a) => (a -> m Bool) -> v a -> m (v a) {-# INLINE filterM #-}-filterM f = unstreamM . Stream.filterM f . stream+filterM f = unstreamM . Bundle.filterM f . stream -- | /O(n)/ Yield the longest prefix of elements satisfying the predicate -- without copying. takeWhile :: Vector v a => (a -> Bool) -> v a -> v a {-# INLINE takeWhile #-}-takeWhile f = unstream . Stream.takeWhile f . stream+takeWhile f = unstream . Bundle.takeWhile f . stream -- | /O(n)/ Drop the longest prefix of elements that satisfy the predicate -- without copying. dropWhile :: Vector v a => (a -> Bool) -> v a -> v a {-# INLINE dropWhile #-}-dropWhile f = unstream . Stream.dropWhile f . stream+dropWhile f = unstream . Bundle.dropWhile f . stream -- Parititioning -- -------------@@ -1280,11 +1306,11 @@ -- FIXME: Make this inplace-fusible (look at how stable_partition is -- implemented in C++) -partition_stream :: Vector v a => (a -> Bool) -> Stream a -> (v a, v a)-{-# INLINE_STREAM partition_stream #-}+partition_stream :: Vector v a => (a -> Bool) -> Bundle u a -> (v a, v a)+{-# INLINE_FUSED partition_stream #-} partition_stream f s = s `seq` runST ( do- (mv1,mv2) <- M.partitionStream f s+ (mv1,mv2) <- M.partitionBundle f s v1 <- unsafeFreeze mv1 v2 <- unsafeFreeze mv2 return (v1,v2))@@ -1298,17 +1324,17 @@ unstablePartition f = unstablePartition_stream f . stream unstablePartition_stream- :: Vector v a => (a -> Bool) -> Stream a -> (v a, v a)-{-# INLINE_STREAM unstablePartition_stream #-}+ :: Vector v a => (a -> Bool) -> Bundle u a -> (v a, v a)+{-# INLINE_FUSED unstablePartition_stream #-} unstablePartition_stream f s = s `seq` runST ( do- (mv1,mv2) <- M.unstablePartitionStream f s+ (mv1,mv2) <- M.unstablePartitionBundle f s v1 <- unsafeFreeze mv1 v2 <- unsafeFreeze mv2 return (v1,v2)) unstablePartition_new :: Vector v a => (a -> Bool) -> New v a -> (v a, v a)-{-# INLINE_STREAM unstablePartition_new #-}+{-# INLINE_FUSED unstablePartition_new #-} unstablePartition_new f (New.New p) = runST ( do mv <- p@@ -1320,11 +1346,11 @@ "unstablePartition" forall f p. unstablePartition_stream f (stream (new p))- = unstablePartition_new f p+ = unstablePartition_new f p #-} - #-} + -- FIXME: make span and break fusible -- | /O(n)/ Split the vector into the longest prefix of elements that satisfy@@ -1340,8 +1366,8 @@ break f xs = case findIndex f xs of Just i -> (unsafeSlice 0 i xs, unsafeSlice i (length xs - i) xs) Nothing -> (xs, empty)- + -- Searching -- --------- @@ -1349,33 +1375,32 @@ -- | /O(n)/ Check if the vector contains an element elem :: (Vector v a, Eq a) => a -> v a -> Bool {-# INLINE elem #-}-elem x = Stream.elem x . stream+elem x = Bundle.elem x . stream infix 4 `notElem` -- | /O(n)/ Check if the vector does not contain an element (inverse of 'elem') notElem :: (Vector v a, Eq a) => a -> v a -> Bool {-# INLINE notElem #-}-notElem x = Stream.notElem x . stream+notElem x = Bundle.notElem x . stream -- | /O(n)/ Yield 'Just' the first element matching the predicate or 'Nothing' -- if no such element exists. find :: Vector v a => (a -> Bool) -> v a -> Maybe a {-# INLINE find #-}-find f = Stream.find f . stream+find f = Bundle.find f . stream -- | /O(n)/ Yield 'Just' the index of the first element matching the predicate -- or 'Nothing' if no such element exists. findIndex :: Vector v a => (a -> Bool) -> v a -> Maybe Int {-# INLINE findIndex #-}-findIndex f = Stream.findIndex f . stream+findIndex f = Bundle.findIndex f . stream -- | /O(n)/ Yield the indices of elements satisfying the predicate in ascending -- order. findIndices :: (Vector v a, Vector v Int) => (a -> Bool) -> v a -> v Int {-# INLINE findIndices #-} findIndices f = unstream- . inplace (MStream.map fst . MStream.filter (f . snd)- . MStream.indexed)+ . inplace (S.map fst . S.filter (f . snd) . S.indexed) toMax . stream -- | /O(n)/ Yield 'Just' the index of the first occurence of the given element or@@ -1397,65 +1422,65 @@ -- | /O(n)/ Left fold foldl :: Vector v b => (a -> b -> a) -> a -> v b -> a {-# INLINE foldl #-}-foldl f z = Stream.foldl f z . stream+foldl f z = Bundle.foldl f z . stream -- | /O(n)/ Left fold on non-empty vectors foldl1 :: Vector v a => (a -> a -> a) -> v a -> a {-# INLINE foldl1 #-}-foldl1 f = Stream.foldl1 f . stream+foldl1 f = Bundle.foldl1 f . stream -- | /O(n)/ Left fold with strict accumulator foldl' :: Vector v b => (a -> b -> a) -> a -> v b -> a {-# INLINE foldl' #-}-foldl' f z = Stream.foldl' f z . stream+foldl' f z = Bundle.foldl' f z . stream -- | /O(n)/ Left fold on non-empty vectors with strict accumulator foldl1' :: Vector v a => (a -> a -> a) -> v a -> a {-# INLINE foldl1' #-}-foldl1' f = Stream.foldl1' f . stream+foldl1' f = Bundle.foldl1' f . stream -- | /O(n)/ Right fold foldr :: Vector v a => (a -> b -> b) -> b -> v a -> b {-# INLINE foldr #-}-foldr f z = Stream.foldr f z . stream+foldr f z = Bundle.foldr f z . stream -- | /O(n)/ Right fold on non-empty vectors foldr1 :: Vector v a => (a -> a -> a) -> v a -> a {-# INLINE foldr1 #-}-foldr1 f = Stream.foldr1 f . stream+foldr1 f = Bundle.foldr1 f . stream -- | /O(n)/ Right fold with a strict accumulator foldr' :: Vector v a => (a -> b -> b) -> b -> v a -> b {-# INLINE foldr' #-}-foldr' f z = Stream.foldl' (flip f) z . streamR+foldr' f z = Bundle.foldl' (flip f) z . streamR -- | /O(n)/ Right fold on non-empty vectors with strict accumulator foldr1' :: Vector v a => (a -> a -> a) -> v a -> a {-# INLINE foldr1' #-}-foldr1' f = Stream.foldl1' (flip f) . streamR+foldr1' f = Bundle.foldl1' (flip f) . streamR -- | /O(n)/ Left fold (function applied to each element and its index) ifoldl :: Vector v b => (a -> Int -> b -> a) -> a -> v b -> a {-# INLINE ifoldl #-}-ifoldl f z = Stream.foldl (uncurry . f) z . Stream.indexed . stream+ifoldl f z = Bundle.foldl (uncurry . f) z . Bundle.indexed . stream -- | /O(n)/ Left fold with strict accumulator (function applied to each element -- and its index) ifoldl' :: Vector v b => (a -> Int -> b -> a) -> a -> v b -> a {-# INLINE ifoldl' #-}-ifoldl' f z = Stream.foldl' (uncurry . f) z . Stream.indexed . stream+ifoldl' f z = Bundle.foldl' (uncurry . f) z . Bundle.indexed . stream -- | /O(n)/ Right fold (function applied to each element and its index) ifoldr :: Vector v a => (Int -> a -> b -> b) -> b -> v a -> b {-# INLINE ifoldr #-}-ifoldr f z = Stream.foldr (uncurry f) z . Stream.indexed . stream+ifoldr f z = Bundle.foldr (uncurry f) z . Bundle.indexed . stream -- | /O(n)/ Right fold with strict accumulator (function applied to each -- element and its index) ifoldr' :: Vector v a => (Int -> a -> b -> b) -> b -> v a -> b {-# INLINE ifoldr' #-}-ifoldr' f z xs = Stream.foldl' (flip (uncurry f)) z- $ Stream.indexedR (length xs) $ streamR xs+ifoldr' f z xs = Bundle.foldl' (flip (uncurry f)) z+ $ Bundle.indexedR (length xs) $ streamR xs -- Specialised folds -- -----------------@@ -1463,47 +1488,47 @@ -- | /O(n)/ Check if all elements satisfy the predicate. all :: Vector v a => (a -> Bool) -> v a -> Bool {-# INLINE all #-}-all f = Stream.and . Stream.map f . stream+all f = Bundle.and . Bundle.map f . stream -- | /O(n)/ Check if any element satisfies the predicate. any :: Vector v a => (a -> Bool) -> v a -> Bool {-# INLINE any #-}-any f = Stream.or . Stream.map f . stream+any f = Bundle.or . Bundle.map f . stream -- | /O(n)/ Check if all elements are 'True' and :: Vector v Bool => v Bool -> Bool {-# INLINE and #-}-and = Stream.and . stream+and = Bundle.and . stream -- | /O(n)/ Check if any element is 'True' or :: Vector v Bool => v Bool -> Bool {-# INLINE or #-}-or = Stream.or . stream+or = Bundle.or . stream -- | /O(n)/ Compute the sum of the elements sum :: (Vector v a, Num a) => v a -> a {-# INLINE sum #-}-sum = Stream.foldl' (+) 0 . stream+sum = Bundle.foldl' (+) 0 . stream -- | /O(n)/ Compute the produce of the elements product :: (Vector v a, Num a) => v a -> a {-# INLINE product #-}-product = Stream.foldl' (*) 1 . stream+product = Bundle.foldl' (*) 1 . stream -- | /O(n)/ Yield the maximum element of the vector. The vector may not be -- empty. maximum :: (Vector v a, Ord a) => v a -> a {-# INLINE maximum #-}-maximum = Stream.foldl1' max . stream+maximum = Bundle.foldl1' max . stream -- | /O(n)/ Yield the maximum element of the vector according to the given -- comparison function. The vector may not be empty. maximumBy :: Vector v a => (a -> a -> Ordering) -> v a -> a {-# INLINE maximumBy #-}-maximumBy cmp = Stream.foldl1' maxBy . stream+maximumBy cmpr = Bundle.foldl1' maxBy . stream where {-# INLINE maxBy #-}- maxBy x y = case cmp x y of+ maxBy x y = case cmpr x y of LT -> y _ -> x @@ -1511,16 +1536,16 @@ -- empty. minimum :: (Vector v a, Ord a) => v a -> a {-# INLINE minimum #-}-minimum = Stream.foldl1' min . stream+minimum = Bundle.foldl1' min . stream -- | /O(n)/ Yield the minimum element of the vector according to the given -- comparison function. The vector may not be empty. minimumBy :: Vector v a => (a -> a -> Ordering) -> v a -> a {-# INLINE minimumBy #-}-minimumBy cmp = Stream.foldl1' minBy . stream+minimumBy cmpr = Bundle.foldl1' minBy . stream where {-# INLINE minBy #-}- minBy x y = case cmp x y of+ minBy x y = case cmpr x y of GT -> y _ -> x @@ -1534,10 +1559,10 @@ -- the given comparison function. The vector may not be empty. maxIndexBy :: Vector v a => (a -> a -> Ordering) -> v a -> Int {-# INLINE maxIndexBy #-}-maxIndexBy cmp = fst . Stream.foldl1' imax . Stream.indexed . stream+maxIndexBy cmpr = fst . Bundle.foldl1' imax . Bundle.indexed . stream where imax (i,x) (j,y) = i `seq` j `seq`- case cmp x y of+ case cmpr x y of LT -> (j,y) _ -> (i,x) @@ -1551,10 +1576,10 @@ -- the given comparison function. The vector may not be empty. minIndexBy :: Vector v a => (a -> a -> Ordering) -> v a -> Int {-# INLINE minIndexBy #-}-minIndexBy cmp = fst . Stream.foldl1' imin . Stream.indexed . stream+minIndexBy cmpr = fst . Bundle.foldl1' imin . Bundle.indexed . stream where imin (i,x) (j,y) = i `seq` j `seq`- case cmp x y of+ case cmpr x y of GT -> (j,y) _ -> (i,x) @@ -1564,22 +1589,33 @@ -- | /O(n)/ Monadic fold foldM :: (Monad m, Vector v b) => (a -> b -> m a) -> a -> v b -> m a {-# INLINE foldM #-}-foldM m z = Stream.foldM m z . stream+foldM m z = Bundle.foldM m z . stream +-- | /O(n)/ Monadic fold (action applied to each element and its index)+ifoldM :: (Monad m, Vector v b) => (a -> Int -> b -> m a) -> a -> v b -> m a+{-# INLINE ifoldM #-}+ifoldM m z = Bundle.foldM (uncurry . m) z . Bundle.indexed . stream+ -- | /O(n)/ Monadic fold over non-empty vectors fold1M :: (Monad m, Vector v a) => (a -> a -> m a) -> v a -> m a {-# INLINE fold1M #-}-fold1M m = Stream.fold1M m . stream+fold1M m = Bundle.fold1M m . stream -- | /O(n)/ Monadic fold with strict accumulator foldM' :: (Monad m, Vector v b) => (a -> b -> m a) -> a -> v b -> m a {-# INLINE foldM' #-}-foldM' m z = Stream.foldM' m z . stream+foldM' m z = Bundle.foldM' m z . stream +-- | /O(n)/ Monadic fold with strict accumulator (action applied to each+-- element and its index)+ifoldM' :: (Monad m, Vector v b) => (a -> Int -> b -> m a) -> a -> v b -> m a+{-# INLINE ifoldM' #-}+ifoldM' m z = Bundle.foldM' (uncurry . m) z . Bundle.indexed . stream+ -- | /O(n)/ Monadic fold over non-empty vectors with strict accumulator fold1M' :: (Monad m, Vector v a) => (a -> a -> m a) -> v a -> m a {-# INLINE fold1M' #-}-fold1M' m = Stream.fold1M' m . stream+fold1M' m = Bundle.fold1M' m . stream discard :: Monad m => m a -> m () {-# INLINE discard #-}@@ -1588,23 +1624,35 @@ -- | /O(n)/ Monadic fold that discards the result foldM_ :: (Monad m, Vector v b) => (a -> b -> m a) -> a -> v b -> m () {-# INLINE foldM_ #-}-foldM_ m z = discard . Stream.foldM m z . stream+foldM_ m z = discard . Bundle.foldM m z . stream +-- | /O(n)/ Monadic fold that discards the result (action applied to+-- each element and its index)+ifoldM_ :: (Monad m, Vector v b) => (a -> Int -> b -> m a) -> a -> v b -> m ()+{-# INLINE ifoldM_ #-}+ifoldM_ m z = discard . Bundle.foldM (uncurry . m) z . Bundle.indexed . stream+ -- | /O(n)/ Monadic fold over non-empty vectors that discards the result fold1M_ :: (Monad m, Vector v a) => (a -> a -> m a) -> v a -> m () {-# INLINE fold1M_ #-}-fold1M_ m = discard . Stream.fold1M m . stream+fold1M_ m = discard . Bundle.fold1M m . stream -- | /O(n)/ Monadic fold with strict accumulator that discards the result foldM'_ :: (Monad m, Vector v b) => (a -> b -> m a) -> a -> v b -> m () {-# INLINE foldM'_ #-}-foldM'_ m z = discard . Stream.foldM' m z . stream+foldM'_ m z = discard . Bundle.foldM' m z . stream +-- | /O(n)/ Monadic fold with strict accumulator that discards the result+-- (action applied to each element and its index)+ifoldM'_ :: (Monad m, Vector v b) => (a -> Int -> b -> m a) -> a -> v b -> m ()+{-# INLINE ifoldM'_ #-}+ifoldM'_ m z = discard . Bundle.foldM' (uncurry . m) z . Bundle.indexed . stream+ -- | /O(n)/ Monad fold over non-empty vectors with strict accumulator -- that discards the result fold1M'_ :: (Monad m, Vector v a) => (a -> a -> m a) -> v a -> m () {-# INLINE fold1M'_ #-}-fold1M'_ m = discard . Stream.fold1M' m . stream+fold1M'_ m = discard . Bundle.fold1M' m . stream -- Monadic sequencing -- ------------------@@ -1632,12 +1680,12 @@ -- prescanl :: (Vector v a, Vector v b) => (a -> b -> a) -> a -> v b -> v a {-# INLINE prescanl #-}-prescanl f z = unstream . inplace (MStream.prescanl f z) . stream+prescanl f z = unstream . inplace (S.prescanl f z) id . stream -- | /O(n)/ Prescan with strict accumulator prescanl' :: (Vector v a, Vector v b) => (a -> b -> a) -> a -> v b -> v a {-# INLINE prescanl' #-}-prescanl' f z = unstream . inplace (MStream.prescanl' f z) . stream+prescanl' f z = unstream . inplace (S.prescanl' f z) id . stream -- | /O(n)/ Scan --@@ -1649,12 +1697,12 @@ -- postscanl :: (Vector v a, Vector v b) => (a -> b -> a) -> a -> v b -> v a {-# INLINE postscanl #-}-postscanl f z = unstream . inplace (MStream.postscanl f z) . stream+postscanl f z = unstream . inplace (S.postscanl f z) id . stream -- | /O(n)/ Scan with strict accumulator postscanl' :: (Vector v a, Vector v b) => (a -> b -> a) -> a -> v b -> v a {-# INLINE postscanl' #-}-postscanl' f z = unstream . inplace (MStream.postscanl' f z) . stream+postscanl' f z = unstream . inplace (S.postscanl' f z) id . stream -- | /O(n)/ Haskell-style scan --@@ -1663,15 +1711,15 @@ -- > yi = f y(i-1) x(i-1) -- -- Example: @scanl (+) 0 \<1,2,3,4\> = \<0,1,3,6,10\>@--- +-- scanl :: (Vector v a, Vector v b) => (a -> b -> a) -> a -> v b -> v a {-# INLINE scanl #-}-scanl f z = unstream . Stream.scanl f z . stream+scanl f z = unstream . Bundle.scanl f z . stream -- | /O(n)/ Haskell-style scan with strict accumulator scanl' :: (Vector v a, Vector v b) => (a -> b -> a) -> a -> v b -> v a {-# INLINE scanl' #-}-scanl' f z = unstream . Stream.scanl' f z . stream+scanl' f z = unstream . Bundle.scanl' f z . stream -- | /O(n)/ Scan over a non-empty vector --@@ -1681,12 +1729,12 @@ -- scanl1 :: Vector v a => (a -> a -> a) -> v a -> v a {-# INLINE scanl1 #-}-scanl1 f = unstream . inplace (MStream.scanl1 f) . stream+scanl1 f = unstream . inplace (S.scanl1 f) id . stream -- | /O(n)/ Scan over a non-empty vector with a strict accumulator scanl1' :: Vector v a => (a -> a -> a) -> v a -> v a {-# INLINE scanl1' #-}-scanl1' f = unstream . inplace (MStream.scanl1' f) . stream+scanl1' f = unstream . inplace (S.scanl1' f) id . stream -- | /O(n)/ Right-to-left prescan --@@ -1696,43 +1744,43 @@ -- prescanr :: (Vector v a, Vector v b) => (a -> b -> b) -> b -> v a -> v b {-# INLINE prescanr #-}-prescanr f z = unstreamR . inplace (MStream.prescanl (flip f) z) . streamR+prescanr f z = unstreamR . inplace (S.prescanl (flip f) z) id . streamR -- | /O(n)/ Right-to-left prescan with strict accumulator prescanr' :: (Vector v a, Vector v b) => (a -> b -> b) -> b -> v a -> v b {-# INLINE prescanr' #-}-prescanr' f z = unstreamR . inplace (MStream.prescanl' (flip f) z) . streamR+prescanr' f z = unstreamR . inplace (S.prescanl' (flip f) z) id . streamR -- | /O(n)/ Right-to-left scan postscanr :: (Vector v a, Vector v b) => (a -> b -> b) -> b -> v a -> v b {-# INLINE postscanr #-}-postscanr f z = unstreamR . inplace (MStream.postscanl (flip f) z) . streamR+postscanr f z = unstreamR . inplace (S.postscanl (flip f) z) id . streamR -- | /O(n)/ Right-to-left scan with strict accumulator postscanr' :: (Vector v a, Vector v b) => (a -> b -> b) -> b -> v a -> v b {-# INLINE postscanr' #-}-postscanr' f z = unstreamR . inplace (MStream.postscanl' (flip f) z) . streamR+postscanr' f z = unstreamR . inplace (S.postscanl' (flip f) z) id . streamR -- | /O(n)/ Right-to-left Haskell-style scan scanr :: (Vector v a, Vector v b) => (a -> b -> b) -> b -> v a -> v b {-# INLINE scanr #-}-scanr f z = unstreamR . Stream.scanl (flip f) z . streamR+scanr f z = unstreamR . Bundle.scanl (flip f) z . streamR -- | /O(n)/ Right-to-left Haskell-style scan with strict accumulator scanr' :: (Vector v a, Vector v b) => (a -> b -> b) -> b -> v a -> v b {-# INLINE scanr' #-}-scanr' f z = unstreamR . Stream.scanl' (flip f) z . streamR+scanr' f z = unstreamR . Bundle.scanl' (flip f) z . streamR -- | /O(n)/ Right-to-left scan over a non-empty vector scanr1 :: Vector v a => (a -> a -> a) -> v a -> v a {-# INLINE scanr1 #-}-scanr1 f = unstreamR . inplace (MStream.scanl1 (flip f)) . streamR+scanr1 f = unstreamR . inplace (S.scanl1 (flip f)) id . streamR -- | /O(n)/ Right-to-left scan over a non-empty vector with a strict -- accumulator scanr1' :: Vector v a => (a -> a -> a) -> v a -> v a {-# INLINE scanr1' #-}-scanr1' f = unstreamR . inplace (MStream.scanl1' (flip f)) . streamR+scanr1' f = unstreamR . inplace (S.scanl1' (flip f)) id . streamR -- Conversions - Lists -- ------------------------@@ -1740,12 +1788,12 @@ -- | /O(n)/ Convert a vector to a list toList :: Vector v a => v a -> [a] {-# INLINE toList #-}-toList = Stream.toList . stream+toList = Bundle.toList . stream -- | /O(n)/ Convert a list to a vector fromList :: Vector v a => [a] -> v a {-# INLINE fromList #-}-fromList = unstream . Stream.fromList+fromList = unstream . Bundle.fromList -- | /O(n)/ Convert the first @n@ elements of a list to a vector --@@ -1754,7 +1802,7 @@ -- @ fromListN :: Vector v a => Int -> [a] -> v a {-# INLINE fromListN #-}-fromListN n = unstream . Stream.fromListN n+fromListN n = unstream . Bundle.fromListN n -- Conversions - Immutable vectors -- -------------------------------@@ -1762,7 +1810,7 @@ -- | /O(n)/ Convert different vector types convert :: (Vector v a, Vector w a) => v a -> w a {-# INLINE convert #-}-convert = unstream . stream+convert = unstream . Bundle.reVector . stream -- Conversions - Mutable vectors -- -----------------------------@@ -1782,12 +1830,12 @@ -- | /O(1)/ Unsafely convert an immutable vector to a mutable one without -- copying. The immutable vector may not be used after this operation. unsafeThaw :: (PrimMonad m, Vector v a) => v a -> m (Mutable v (PrimState m) a)-{-# INLINE_STREAM unsafeThaw #-}+{-# INLINE_FUSED unsafeThaw #-} unsafeThaw = basicUnsafeThaw -- | /O(n)/ Yield a mutable copy of the immutable vector. thaw :: (PrimMonad m, Vector v a) => v a -> m (Mutable v (PrimState m) a)-{-# INLINE_STREAM thaw #-}+{-# INLINE_FUSED thaw #-} thaw v = do mv <- M.unsafeNew (length v) unsafeCopy mv v@@ -1799,15 +1847,15 @@ unsafeThaw (new p) = New.runPrim p "thaw/new [Vector]" forall p.- thaw (new p) = New.runPrim p+ thaw (new p) = New.runPrim p #-} - #-} + {- -- | /O(n)/ Yield a mutable vector containing copies of each vector in the -- list. thawMany :: (PrimMonad m, Vector v a) => [v a] -> m (Mutable v (PrimState m) a)-{-# INLINE_STREAM thawMany #-}+{-# INLINE_FUSED thawMany #-} -- FIXME: add rule for (stream (new (New.create (thawMany vs)))) -- NOTE: We don't try to consume the list lazily as this wouldn't significantly -- change the space requirements anyway.@@ -1844,13 +1892,16 @@ (M.length dst == length src) $ (dst `seq` src `seq` basicUnsafeCopy dst src) --- Conversions to/from Streams+-- Conversions to/from Bundles -- --------------------------- --- | /O(1)/ Convert a vector to a 'Stream'-stream :: Vector v a => v a -> Stream a-{-# INLINE_STREAM stream #-}-stream v = v `seq` n `seq` (Stream.unfoldr get 0 `Stream.sized` Exact n)+-- | /O(1)/ Convert a vector to a 'Bundle'+stream :: Vector v a => v a -> Bundle v a+{-# INLINE_FUSED stream #-}+stream v = Bundle.fromVector v++{-+stream v = v `seq` n `seq` (Bundle.unfoldr get 0 `Bundle.sized` Exact n) where n = length v @@ -1859,9 +1910,10 @@ {-# INLINE get #-} get i | i >= n = Nothing | otherwise = case basicUnsafeIndexM v i of Box x -> Just (x, i+1)+-} --- | /O(n)/ Construct a vector from a 'Stream'-unstream :: Vector v a => Stream a -> v a+-- | /O(n)/ Construct a vector from a 'Bundle'+unstream :: Vector v a => Bundle v a -> v a {-# INLINE unstream #-} unstream s = new (New.unstream s) @@ -1877,19 +1929,19 @@ clone (new p) = p "inplace [Vector]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a) m.- New.unstream (inplace f (stream (new m))) = New.transform f m+ forall (f :: forall m. Monad m => Stream m a -> Stream m a) g m.+ New.unstream (inplace f g (stream (new m))) = New.transform f g m "uninplace [Vector]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a) m.- stream (new (New.transform f m)) = inplace f (stream (new m))+ forall (f :: forall m. Monad m => Stream m a -> Stream m a) g m.+ stream (new (New.transform f g m)) = inplace f g (stream (new m)) #-} - #-} --- | /O(1)/ Convert a vector to a 'Stream', proceeding from right to left-streamR :: Vector v a => v a -> Stream a-{-# INLINE_STREAM streamR #-}-streamR v = v `seq` n `seq` (Stream.unfoldr get n `Stream.sized` Exact n)++-- | /O(1)/ Convert a vector to a 'Bundle', proceeding from right to left+streamR :: Vector v a => v a -> Bundle u a+{-# INLINE_FUSED streamR #-}+streamR v = v `seq` n `seq` (Bundle.unfoldr get n `Bundle.sized` Exact n) where n = length v @@ -1899,8 +1951,8 @@ in case basicUnsafeIndexM v i' of Box x -> Just (x, i') --- | /O(n)/ Construct a vector from a 'Stream', proceeding from right to left-unstreamR :: Vector v a => Stream a -> v a+-- | /O(n)/ Construct a vector from a 'Bundle', proceeding from right to left+unstreamR :: Vector v a => Bundle v a -> v a {-# INLINE unstreamR #-} unstreamR s = new (New.unstreamR s) @@ -1919,54 +1971,54 @@ New.unstreamR (stream (new p)) = New.modify M.reverse p "inplace right [Vector]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a) m.- New.unstreamR (inplace f (streamR (new m))) = New.transformR f m+ forall (f :: forall m. Monad m => Stream m a -> Stream m a) g m.+ New.unstreamR (inplace f g (streamR (new m))) = New.transformR f g m "uninplace right [Vector]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a) m.- streamR (new (New.transformR f m)) = inplace f (streamR (new m))+ forall (f :: forall m. Monad m => Stream m a -> Stream m a) g m.+ streamR (new (New.transformR f g m)) = inplace f g (streamR (new m)) #-} - #-} -unstreamM :: (Monad m, Vector v a) => MStream m a -> m (v a)-{-# INLINE_STREAM unstreamM #-}++unstreamM :: (Monad m, Vector v a) => MBundle m u a -> m (v a)+{-# INLINE_FUSED unstreamM #-} unstreamM s = do- xs <- MStream.toList s- return $ unstream $ Stream.unsafeFromList (MStream.size s) xs+ xs <- MBundle.toList s+ return $ unstream $ Bundle.unsafeFromList (MBundle.size s) xs -unstreamPrimM :: (PrimMonad m, Vector v a) => MStream m a -> m (v a)-{-# INLINE_STREAM unstreamPrimM #-}+unstreamPrimM :: (PrimMonad m, Vector v a) => MBundle m u a -> m (v a)+{-# INLINE_FUSED unstreamPrimM #-} unstreamPrimM s = M.munstream s >>= unsafeFreeze -- FIXME: the next two functions are only necessary for the specialisations-unstreamPrimM_IO :: Vector v a => MStream IO a -> IO (v a)+unstreamPrimM_IO :: Vector v a => MBundle IO u a -> IO (v a) {-# INLINE unstreamPrimM_IO #-} unstreamPrimM_IO = unstreamPrimM -unstreamPrimM_ST :: Vector v a => MStream (ST s) a -> ST s (v a)+unstreamPrimM_ST :: Vector v a => MBundle (ST s) u a -> ST s (v a) {-# INLINE unstreamPrimM_ST #-} unstreamPrimM_ST = unstreamPrimM {-# RULES "unstreamM[IO]" unstreamM = unstreamPrimM_IO-"unstreamM[ST]" unstreamM = unstreamPrimM_ST+"unstreamM[ST]" unstreamM = unstreamPrimM_ST #-} - #-} + -- Recycling support -- ----------------- -- | Construct a vector from a monadic initialiser. new :: Vector v a => New v a -> v a-{-# INLINE_STREAM new #-}+{-# INLINE_FUSED new #-} new m = m `seq` runST (unsafeFreeze =<< New.run m) -- | Convert a vector to an initialiser which, when run, produces a copy of -- the vector. clone :: Vector v a => v a -> New v a-{-# INLINE_STREAM clone #-}+{-# INLINE_FUSED clone #-} clone v = v `seq` New.create ( do mv <- M.new (length v)@@ -1998,13 +2050,12 @@ -- | Generic definition of 'Prelude.showsPrec' showsPrec :: (Vector v a, Show a) => Int -> v a -> ShowS {-# INLINE showsPrec #-}-showsPrec p v = showParen (p > 10) $ showString "fromList " . shows (toList v)+showsPrec _ = shows . toList -- | Generic definition of 'Text.Read.readPrec' readPrec :: (Vector v a, Read a) => Read.ReadPrec (v a) {-# INLINE readPrec #-}-readPrec = Read.parens $ Read.prec 10 $ do- Read.Ident "fromList" <- Read.lexP+readPrec = do xs <- Read.readPrec return (fromList xs)
Data/Vector/Generic/Base.hs view
@@ -10,7 +10,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Class of pure vectors -- @@ -18,8 +18,8 @@ Vector(..), Mutable ) where -import Data.Vector.Generic.Mutable ( MVector )-import qualified Data.Vector.Generic.Mutable as M+import Data.Vector.Generic.Mutable.Base ( MVector )+import qualified Data.Vector.Generic.Mutable.Base as M import Control.Monad.Primitive
Data/Vector/Generic/Mutable.hs view
@@ -1,5 +1,4 @@-{-# LANGUAGE MultiParamTypeClasses, BangPatterns, ScopedTypeVariables,- TypeFamilies #-}+{-# LANGUAGE CPP, MultiParamTypeClasses, FlexibleContexts, BangPatterns, TypeFamilies, ScopedTypeVariables #-} -- | -- Module : Data.Vector.Generic.Mutable -- Copyright : (c) Roman Leshchinskiy 2008-2010@@ -8,7 +7,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Generic interface to mutable vectors -- @@ -35,13 +34,14 @@ -- ** Growing grow, unsafeGrow,+ growFront, unsafeGrowFront, -- ** Restricting memory usage clear, -- * Accessing individual elements- read, write, swap,- unsafeRead, unsafeWrite, unsafeSwap,+ read, write, modify, swap, exchange,+ unsafeRead, unsafeWrite, unsafeModify, unsafeSwap, unsafeExchange, -- * Modifying vectors @@ -50,18 +50,23 @@ -- * Internal operations mstream, mstreamR,- unstream, unstreamR,+ unstream, unstreamR, vunstream, munstream, munstreamR, transform, transformR, fill, fillR, unsafeAccum, accum, unsafeUpdate, update, reverse,- unstablePartition, unstablePartitionStream, partitionStream+ unstablePartition, unstablePartitionBundle, partitionBundle ) where -import qualified Data.Vector.Fusion.Stream as Stream-import Data.Vector.Fusion.Stream ( Stream, MStream )-import qualified Data.Vector.Fusion.Stream.Monadic as MStream-import Data.Vector.Fusion.Stream.Size+import Data.Vector.Generic.Mutable.Base+import qualified Data.Vector.Generic.Base as V++import qualified Data.Vector.Fusion.Bundle as Bundle+import Data.Vector.Fusion.Bundle ( Bundle, MBundle, Chunk(..) )+import qualified Data.Vector.Fusion.Bundle.Monadic as MBundle+import Data.Vector.Fusion.Stream.Monadic ( Stream )+import qualified Data.Vector.Fusion.Stream.Monadic as Stream+import Data.Vector.Fusion.Bundle.Size import Data.Vector.Fusion.Util ( delay_inline ) import Control.Monad.Primitive ( PrimMonad, PrimState )@@ -71,23 +76,12 @@ #include "vector.h" +{-+type family Immutable (v :: * -> * -> *) :: * -> *+ -- | Class of mutable vectors parametrised with a primitive state token. ----- Minimum complete implementation:------ * 'basicLength'------ * 'basicUnsafeSlice'------ * 'basicOverlaps'------ * 'basicUnsafeNew'------ * 'basicUnsafeRead'------ * 'basicUnsafeWrite'----class MVector v a where+class MBundle.Pointer u a => MVector v a where -- | Length of the mutable vector. This method should not be -- called directly, use 'length' instead. basicLength :: v s a -> Int@@ -129,6 +123,10 @@ -- not be called directly, use 'set' instead. basicSet :: PrimMonad m => v (PrimState m) a -> a -> m () + basicUnsafeCopyPointer :: PrimMonad m => v (PrimState m) a+ -> Immutable v a+ -> m ()+ -- | Copy a vector. The two vectors may not overlap. This method should not -- be called directly, use 'unsafeCopy' instead. basicUnsafeCopy :: PrimMonad m => v (PrimState m) a -- ^ target@@ -171,6 +169,14 @@ | otherwise = basicUnsafeCopy (basicUnsafeSlice i (n-i) v) (basicUnsafeSlice 0 (n-i) v) + {-# INLINE basicUnsafeCopyPointer #-}+ basicUnsafeCopyPointer !dst !src = do_copy 0 src+ where+ do_copy !i p | Just (x,q) <- MBundle.pget p = do+ basicUnsafeWrite dst i x+ do_copy (i+1) q+ | otherwise = return ()+ {-# INLINE basicUnsafeCopy #-} basicUnsafeCopy !dst !src = do_copy 0 where@@ -181,7 +187,7 @@ basicUnsafeWrite dst i x do_copy (i+1) | otherwise = return ()- + {-# INLINE basicUnsafeMove #-} basicUnsafeMove !dst !src | basicOverlaps dst src = do@@ -197,6 +203,7 @@ return v' where n = basicLength v+-} -- ------------------ -- Internal functions@@ -228,15 +235,15 @@ unsafeWrite v i' x return (v, i') | otherwise = do- (v', i) <- enlargeFront v- let i' = i-1+ (v', j) <- enlargeFront v+ let i' = j-1 INTERNAL_CHECK(checkIndex) "unsafePrepend1" i' (length v') $ unsafeWrite v' i' x return (v', i') -mstream :: (PrimMonad m, MVector v a) => v (PrimState m) a -> MStream m a+mstream :: (PrimMonad m, MVector v a) => v (PrimState m) a -> Stream m a {-# INLINE mstream #-}-mstream v = v `seq` n `seq` (MStream.unfoldrM get 0 `MStream.sized` Exact n)+mstream v = v `seq` n `seq` (Stream.unfoldrM get 0) where n = length v @@ -246,10 +253,10 @@ | otherwise = return $ Nothing fill :: (PrimMonad m, MVector v a)- => v (PrimState m) a -> MStream m a -> m (v (PrimState m) a)+ => v (PrimState m) a -> Stream m a -> m (v (PrimState m) a) {-# INLINE fill #-} fill v s = v `seq` do- n' <- MStream.foldM put 0 s+ n' <- Stream.foldM put 0 s return $ unsafeSlice 0 n' v where {-# INLINE_INNER put #-}@@ -258,14 +265,15 @@ $ unsafeWrite v i x return (i+1) -transform :: (PrimMonad m, MVector v a)- => (MStream m a -> MStream m a) -> v (PrimState m) a -> m (v (PrimState m) a)-{-# INLINE_STREAM transform #-}+transform+ :: (PrimMonad m, MVector v a)+ => (Stream m a -> Stream m a) -> v (PrimState m) a -> m (v (PrimState m) a)+{-# INLINE_FUSED transform #-} transform f v = fill v (f (mstream v)) -mstreamR :: (PrimMonad m, MVector v a) => v (PrimState m) a -> MStream m a+mstreamR :: (PrimMonad m, MVector v a) => v (PrimState m) a -> Stream m a {-# INLINE mstreamR #-}-mstreamR v = v `seq` n `seq` (MStream.unfoldrM get n `MStream.sized` Exact n)+mstreamR v = v `seq` n `seq` (Stream.unfoldrM get n) where n = length v @@ -277,10 +285,10 @@ j = i-1 fillR :: (PrimMonad m, MVector v a)- => v (PrimState m) a -> MStream m a -> m (v (PrimState m) a)+ => v (PrimState m) a -> Stream m a -> m (v (PrimState m) a) {-# INLINE fillR #-} fillR v s = v `seq` do- i <- MStream.foldM put n s+ i <- Stream.foldM put n s return $ unsafeSlice i (n-i) v where n = length v@@ -292,25 +300,28 @@ where j = i-1 -transformR :: (PrimMonad m, MVector v a)- => (MStream m a -> MStream m a) -> v (PrimState m) a -> m (v (PrimState m) a)-{-# INLINE_STREAM transformR #-}+transformR+ :: (PrimMonad m, MVector v a)+ => (Stream m a -> Stream m a) -> v (PrimState m) a -> m (v (PrimState m) a)+{-# INLINE_FUSED transformR #-} transformR f v = fillR v (f (mstreamR v)) --- | Create a new mutable vector and fill it with elements from the 'Stream'.--- The vector will grow exponentially if the maximum size of the 'Stream' is+-- | Create a new mutable vector and fill it with elements from the 'Bundle'.+-- The vector will grow exponentially if the maximum size of the 'Bundle' is -- unknown.-unstream :: (PrimMonad m, MVector v a) => Stream a -> m (v (PrimState m) a)--- NOTE: replace INLINE_STREAM by INLINE? (also in unstreamR)-{-# INLINE_STREAM unstream #-}-unstream s = munstream (Stream.liftStream s)+unstream :: (PrimMonad m, MVector v a)+ => Bundle u a -> m (v (PrimState m) a)+-- NOTE: replace INLINE_FUSED by INLINE? (also in unstreamR)+{-# INLINE_FUSED unstream #-}+unstream s = munstream (Bundle.lift s) -- | Create a new mutable vector and fill it with elements from the monadic -- stream. The vector will grow exponentially if the maximum size of the stream -- is unknown.-munstream :: (PrimMonad m, MVector v a) => MStream m a -> m (v (PrimState m) a)-{-# INLINE_STREAM munstream #-}-munstream s = case upperBound (MStream.size s) of+munstream :: (PrimMonad m, MVector v a)+ => MBundle m u a -> m (v (PrimState m) a)+{-# INLINE_FUSED munstream #-}+munstream s = case upperBound (MBundle.size s) of Just n -> munstreamMax s n Nothing -> munstreamUnknown s @@ -320,12 +331,12 @@ -- the shape of the vector) and one for when the vector has grown. To see the -- problem simply compile this: ----- fromList = Data.Vector.Unboxed.unstream . Stream.fromList+-- fromList = Data.Vector.Unboxed.unstream . Bundle.fromList -- -- I'm not sure this still applies (19/04/2010) -munstreamMax- :: (PrimMonad m, MVector v a) => MStream m a -> Int -> m (v (PrimState m) a)+munstreamMax :: (PrimMonad m, MVector v a)+ => MBundle m u a -> Int -> m (v (PrimState m) a) {-# INLINE munstreamMax #-} munstreamMax s n = do@@ -335,17 +346,17 @@ INTERNAL_CHECK(checkIndex) "munstreamMax" i n $ unsafeWrite v i x return (i+1)- n' <- MStream.foldM' put 0 s+ n' <- MBundle.foldM' put 0 s return $ INTERNAL_CHECK(checkSlice) "munstreamMax" 0 n' n $ unsafeSlice 0 n' v -munstreamUnknown- :: (PrimMonad m, MVector v a) => MStream m a -> m (v (PrimState m) a)+munstreamUnknown :: (PrimMonad m, MVector v a)+ => MBundle m u a -> m (v (PrimState m) a) {-# INLINE munstreamUnknown #-} munstreamUnknown s = do v <- unsafeNew 0- (v', n) <- MStream.foldM put (v, 0) s+ (v', n) <- MBundle.foldM put (v, 0) s return $ INTERNAL_CHECK(checkSlice) "munstreamUnknown" 0 n (length v') $ unsafeSlice 0 n v' where@@ -354,25 +365,103 @@ v' <- unsafeAppend1 v i x return (v',i+1) --- | Create a new mutable vector and fill it with elements from the 'Stream'+++++++-- | Create a new mutable vector and fill it with elements from the 'Bundle'.+-- The vector will grow exponentially if the maximum size of the 'Bundle' is+-- unknown.+vunstream :: (PrimMonad m, V.Vector v a)+ => Bundle v a -> m (V.Mutable v (PrimState m) a)+-- NOTE: replace INLINE_FUSED by INLINE? (also in unstreamR)+{-# INLINE_FUSED vunstream #-}+vunstream s = vmunstream (Bundle.lift s)++-- | Create a new mutable vector and fill it with elements from the monadic+-- stream. The vector will grow exponentially if the maximum size of the stream+-- is unknown.+vmunstream :: (PrimMonad m, V.Vector v a)+ => MBundle m v a -> m (V.Mutable v (PrimState m) a)+{-# INLINE_FUSED vmunstream #-}+vmunstream s = case upperBound (MBundle.size s) of+ Just n -> vmunstreamMax s n+ Nothing -> vmunstreamUnknown s++-- FIXME: I can't think of how to prevent GHC from floating out+-- unstreamUnknown. That is bad because SpecConstr then generates two+-- specialisations: one for when it is called from unstream (it doesn't know+-- the shape of the vector) and one for when the vector has grown. To see the+-- problem simply compile this:+--+-- fromList = Data.Vector.Unboxed.unstream . Bundle.fromList+--+-- I'm not sure this still applies (19/04/2010)++vmunstreamMax :: (PrimMonad m, V.Vector v a)+ => MBundle m v a -> Int -> m (V.Mutable v (PrimState m) a)+{-# INLINE vmunstreamMax #-}+vmunstreamMax s n+ = do+ v <- INTERNAL_CHECK(checkLength) "munstreamMax" n+ $ unsafeNew n+ let {-# INLINE_INNER copyChunk #-}+ copyChunk i (Chunk m f) =+ INTERNAL_CHECK(checkSlice) "munstreamMax.copyChunk" i m (length v) $ do+ f (basicUnsafeSlice i m v)+ return (i+m)++ n' <- Stream.foldlM' copyChunk 0 (MBundle.chunks s)+ return $ INTERNAL_CHECK(checkSlice) "munstreamMax" 0 n' n+ $ unsafeSlice 0 n' v++vmunstreamUnknown :: (PrimMonad m, V.Vector v a)+ => MBundle m v a -> m (V.Mutable v (PrimState m) a)+{-# INLINE vmunstreamUnknown #-}+vmunstreamUnknown s+ = do+ v <- unsafeNew 0+ (v', n) <- Stream.foldlM copyChunk (v,0) (MBundle.chunks s)+ return $ INTERNAL_CHECK(checkSlice) "munstreamUnknown" 0 n (length v')+ $ unsafeSlice 0 n v'+ where+ {-# INLINE_INNER copyChunk #-}+ copyChunk (v,i) (Chunk n f)+ = do+ let j = i+n+ v' <- if basicLength v < j+ then unsafeGrow v (delay_inline max (enlarge_delta v) (j - basicLength v))+ else return v+ INTERNAL_CHECK(checkSlice) "munstreamUnknown.copyChunk" i n (length v')+ $ f (basicUnsafeSlice i n v')+ return (v',j)+++++-- | Create a new mutable vector and fill it with elements from the 'Bundle' -- from right to left. The vector will grow exponentially if the maximum size--- of the 'Stream' is unknown.-unstreamR :: (PrimMonad m, MVector v a) => Stream a -> m (v (PrimState m) a)--- NOTE: replace INLINE_STREAM by INLINE? (also in unstream)-{-# INLINE_STREAM unstreamR #-}-unstreamR s = munstreamR (Stream.liftStream s)+-- of the 'Bundle' is unknown.+unstreamR :: (PrimMonad m, MVector v a)+ => Bundle u a -> m (v (PrimState m) a)+-- NOTE: replace INLINE_FUSED by INLINE? (also in unstream)+{-# INLINE_FUSED unstreamR #-}+unstreamR s = munstreamR (Bundle.lift s) -- | Create a new mutable vector and fill it with elements from the monadic -- stream from right to left. The vector will grow exponentially if the maximum -- size of the stream is unknown.-munstreamR :: (PrimMonad m, MVector v a) => MStream m a -> m (v (PrimState m) a)-{-# INLINE_STREAM munstreamR #-}-munstreamR s = case upperBound (MStream.size s) of+munstreamR :: (PrimMonad m, MVector v a)+ => MBundle m u a -> m (v (PrimState m) a)+{-# INLINE_FUSED munstreamR #-}+munstreamR s = case upperBound (MBundle.size s) of Just n -> munstreamRMax s n Nothing -> munstreamRUnknown s -munstreamRMax- :: (PrimMonad m, MVector v a) => MStream m a -> Int -> m (v (PrimState m) a)+munstreamRMax :: (PrimMonad m, MVector v a)+ => MBundle m u a -> Int -> m (v (PrimState m) a) {-# INLINE munstreamRMax #-} munstreamRMax s n = do@@ -383,17 +472,17 @@ INTERNAL_CHECK(checkIndex) "munstreamRMax" i' n $ unsafeWrite v i' x return i'- i <- MStream.foldM' put n s+ i <- MBundle.foldM' put n s return $ INTERNAL_CHECK(checkSlice) "munstreamRMax" i (n-i) n $ unsafeSlice i (n-i) v -munstreamRUnknown- :: (PrimMonad m, MVector v a) => MStream m a -> m (v (PrimState m) a)+munstreamRUnknown :: (PrimMonad m, MVector v a)+ => MBundle m u a -> m (v (PrimState m) a) {-# INLINE munstreamRUnknown #-} munstreamRUnknown s = do v <- unsafeNew 0- (v', i) <- MStream.foldM put (v, 0) s+ (v', i) <- MBundle.foldM put (v, 0) s let n = length v' return $ INTERNAL_CHECK(checkSlice) "unstreamRUnknown" i (n-i) n $ unsafeSlice i (n-i) v'@@ -481,7 +570,7 @@ -- Overlapping -- ----------- --- Check whether two vectors overlap.+-- | Check whether two vectors overlap. overlaps :: MVector v a => v s a -> v s a -> Bool {-# INLINE overlaps #-} overlaps = basicOverlaps@@ -493,7 +582,7 @@ new :: (PrimMonad m, MVector v a) => Int -> m (v (PrimState m) a) {-# INLINE new #-} new n = BOUNDS_CHECK(checkLength) "new" n- $ unsafeNew n+ $ unsafeNew n >>= \v -> basicInitialize v >> return v -- | Create a mutable vector of the given length. The length is not checked. unsafeNew :: (PrimMonad m, MVector v a) => Int -> m (v (PrimState m) a)@@ -511,7 +600,7 @@ -- and fill it with values produced by repeatedly executing the monadic action. replicateM :: (PrimMonad m, MVector v a) => Int -> m a -> m (v (PrimState m) a) {-# INLINE replicateM #-}-replicateM n m = munstream (MStream.replicateM n m)+replicateM n m = munstream (MBundle.replicateM n m) -- | Create a copy of a mutable vector. clone :: (PrimMonad m, MVector v a) => v (PrimState m) a -> m (v (PrimState m) a)@@ -530,27 +619,37 @@ => v (PrimState m) a -> Int -> m (v (PrimState m) a) {-# INLINE grow #-} grow v by = BOUNDS_CHECK(checkLength) "grow" by- $ unsafeGrow v by+ $ do vnew <- unsafeGrow v by+ basicInitialize $ basicUnsafeSlice (length v) by vnew+ return vnew growFront :: (PrimMonad m, MVector v a) => v (PrimState m) a -> Int -> m (v (PrimState m) a) {-# INLINE growFront #-} growFront v by = BOUNDS_CHECK(checkLength) "growFront" by- $ unsafeGrowFront v by+ $ do vnew <- unsafeGrowFront v by+ basicInitialize $ basicUnsafeSlice 0 by vnew+ return vnew +enlarge_delta :: MVector v a => v s a -> Int enlarge_delta v = max (length v) 1 -- | Grow a vector logarithmically enlarge :: (PrimMonad m, MVector v a) => v (PrimState m) a -> m (v (PrimState m) a) {-# INLINE enlarge #-}-enlarge v = unsafeGrow v (enlarge_delta v)+enlarge v = do vnew <- unsafeGrow v by+ basicInitialize $ basicUnsafeSlice (length v) by vnew+ return vnew+ where+ by = enlarge_delta v enlargeFront :: (PrimMonad m, MVector v a) => v (PrimState m) a -> m (v (PrimState m) a, Int) {-# INLINE enlargeFront #-} enlargeFront v = do v' <- unsafeGrowFront v by+ basicInitialize $ basicUnsafeSlice 0 by v' return (v', by) where by = enlarge_delta v@@ -577,7 +676,7 @@ -- ------------------------ -- | Reset all elements of the vector to some undefined value, clearing all--- references to external objects. This is usually a noop for unboxed vectors. +-- references to external objects. This is usually a noop for unboxed vectors. clear :: (PrimMonad m, MVector v a) => v (PrimState m) a -> m () {-# INLINE clear #-} clear = basicClear@@ -597,6 +696,12 @@ write v i x = BOUNDS_CHECK(checkIndex) "write" i (length v) $ unsafeWrite v i x +-- | Modify the element at the given position.+modify :: (PrimMonad m, MVector v a) => v (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE modify #-}+modify v f i = BOUNDS_CHECK(checkIndex) "modify" i (length v)+ $ unsafeModify v f i+ -- | Swap the elements at the given positions. swap :: (PrimMonad m, MVector v a) => v (PrimState m) a -> Int -> Int -> m () {-# INLINE swap #-}@@ -623,6 +728,13 @@ unsafeWrite v i x = UNSAFE_CHECK(checkIndex) "unsafeWrite" i (length v) $ basicUnsafeWrite v i x +-- | Modify the element at the given position. No bounds checks are performed.+unsafeModify :: (PrimMonad m, MVector v a) => v (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE unsafeModify #-}+unsafeModify v f i = UNSAFE_CHECK(checkIndex) "unsafeModify" i (length v)+ $ basicUnsafeRead v i >>= \x ->+ basicUnsafeWrite v i (f x)+ -- | Swap the elements at the given positions. No bounds checks are performed. unsafeSwap :: (PrimMonad m, MVector v a) => v (PrimState m) a -> Int -> Int -> m ()@@ -667,7 +779,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length.--- +-- -- If the vectors do not overlap, then this is equivalent to 'copy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -693,7 +805,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length, but this is not checked.--- +-- -- If the vectors do not overlap, then this is equivalent to 'unsafeCopy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -710,9 +822,9 @@ -- ------------ accum :: (PrimMonad m, MVector v a)- => (a -> b -> a) -> v (PrimState m) a -> Stream (Int, b) -> m ()+ => (a -> b -> a) -> v (PrimState m) a -> Bundle u (Int, b) -> m () {-# INLINE accum #-}-accum f !v s = Stream.mapM_ upd s+accum f !v s = Bundle.mapM_ upd s where {-# INLINE_INNER upd #-} upd (i,b) = do@@ -723,9 +835,9 @@ !n = length v update :: (PrimMonad m, MVector v a)- => v (PrimState m) a -> Stream (Int, a) -> m ()+ => v (PrimState m) a -> Bundle u (Int, a) -> m () {-# INLINE update #-}-update !v s = Stream.mapM_ upd s+update !v s = Bundle.mapM_ upd s where {-# INLINE_INNER upd #-} upd (i,b) = BOUNDS_CHECK(checkIndex) "update" i n@@ -734,9 +846,9 @@ !n = length v unsafeAccum :: (PrimMonad m, MVector v a)- => (a -> b -> a) -> v (PrimState m) a -> Stream (Int, b) -> m ()+ => (a -> b -> a) -> v (PrimState m) a -> Bundle u (Int, b) -> m () {-# INLINE unsafeAccum #-}-unsafeAccum f !v s = Stream.mapM_ upd s+unsafeAccum f !v s = Bundle.mapM_ upd s where {-# INLINE_INNER upd #-} upd (i,b) = do@@ -747,9 +859,9 @@ !n = length v unsafeUpdate :: (PrimMonad m, MVector v a)- => v (PrimState m) a -> Stream (Int, a) -> m ()+ => v (PrimState m) a -> Bundle u (Int, a) -> m () {-# INLINE unsafeUpdate #-}-unsafeUpdate !v s = Stream.mapM_ upd s+unsafeUpdate !v s = Bundle.mapM_ upd s where {-# INLINE_INNER upd #-} upd (i,b) = UNSAFE_CHECK(checkIndex) "accum" i n@@ -795,16 +907,16 @@ from_left (i+1) j else from_right i (j-1) -unstablePartitionStream :: (PrimMonad m, MVector v a)- => (a -> Bool) -> Stream a -> m (v (PrimState m) a, v (PrimState m) a)-{-# INLINE unstablePartitionStream #-}-unstablePartitionStream f s- = case upperBound (Stream.size s) of+unstablePartitionBundle :: (PrimMonad m, MVector v a)+ => (a -> Bool) -> Bundle u a -> m (v (PrimState m) a, v (PrimState m) a)+{-# INLINE unstablePartitionBundle #-}+unstablePartitionBundle f s+ = case upperBound (Bundle.size s) of Just n -> unstablePartitionMax f s n Nothing -> partitionUnknown f s unstablePartitionMax :: (PrimMonad m, MVector v a)- => (a -> Bool) -> Stream a -> Int+ => (a -> Bool) -> Bundle u a -> Int -> m (v (PrimState m) a, v (PrimState m) a) {-# INLINE unstablePartitionMax #-} unstablePartitionMax f s n@@ -819,20 +931,20 @@ | otherwise = do unsafeWrite v (j-1) x return (i, j-1)- - (i,j) <- Stream.foldM' put (0, n) s++ (i,j) <- Bundle.foldM' put (0, n) s return (unsafeSlice 0 i v, unsafeSlice j (n-j) v) -partitionStream :: (PrimMonad m, MVector v a)- => (a -> Bool) -> Stream a -> m (v (PrimState m) a, v (PrimState m) a)-{-# INLINE partitionStream #-}-partitionStream f s- = case upperBound (Stream.size s) of+partitionBundle :: (PrimMonad m, MVector v a)+ => (a -> Bool) -> Bundle u a -> m (v (PrimState m) a, v (PrimState m) a)+{-# INLINE partitionBundle #-}+partitionBundle f s+ = case upperBound (Bundle.size s) of Just n -> partitionMax f s n Nothing -> partitionUnknown f s partitionMax :: (PrimMonad m, MVector v a)- => (a -> Bool) -> Stream a -> Int -> m (v (PrimState m) a, v (PrimState m) a)+ => (a -> Bool) -> Bundle u a -> Int -> m (v (PrimState m) a, v (PrimState m) a) {-# INLINE partitionMax #-} partitionMax f s n = do@@ -848,9 +960,9 @@ | otherwise = let j' = j-1 in do unsafeWrite v j' x- return (i,j') - - (i,j) <- Stream.foldM' put (0,n) s+ return (i,j')++ (i,j) <- Bundle.foldM' put (0,n) s INTERNAL_CHECK(check) "partitionMax" "invalid indices" (i <= j) $ return () let l = unsafeSlice 0 i v@@ -859,13 +971,13 @@ return (l,r) partitionUnknown :: (PrimMonad m, MVector v a)- => (a -> Bool) -> Stream a -> m (v (PrimState m) a, v (PrimState m) a)+ => (a -> Bool) -> Bundle u a -> m (v (PrimState m) a, v (PrimState m) a) {-# INLINE partitionUnknown #-} partitionUnknown f s = do v1 <- unsafeNew 0 v2 <- unsafeNew 0- (v1', n1, v2', n2) <- Stream.foldM' put (v1, 0, v2, 0) s+ (v1', n1, v2', n2) <- Bundle.foldM' put (v1, 0, v2, 0) s INTERNAL_CHECK(checkSlice) "partitionUnknown" 0 n1 (length v1') $ INTERNAL_CHECK(checkSlice) "partitionUnknown" 0 n2 (length v2') $ return (unsafeSlice 0 n1 v1', unsafeSlice 0 n2 v2')
+ Data/Vector/Generic/Mutable/Base.hs view
@@ -0,0 +1,145 @@+{-# LANGUAGE CPP, MultiParamTypeClasses, BangPatterns, TypeFamilies #-}+-- |+-- Module : Data.Vector.Generic.Mutable.Base+-- Copyright : (c) Roman Leshchinskiy 2008-2011+-- License : BSD-style+--+-- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au>+-- Stability : experimental+-- Portability : non-portable+--+-- Class of mutable vectors+--++module Data.Vector.Generic.Mutable.Base (+ MVector(..)+) where++import Control.Monad.Primitive ( PrimMonad, PrimState )++-- Data.Vector.Internal.Check is unused+#define NOT_VECTOR_MODULE+#include "vector.h"++-- | Class of mutable vectors parametrised with a primitive state token.+--+class MVector v a where+ -- | Length of the mutable vector. This method should not be+ -- called directly, use 'length' instead.+ basicLength :: v s a -> Int++ -- | Yield a part of the mutable vector without copying it. This method+ -- should not be called directly, use 'unsafeSlice' instead.+ basicUnsafeSlice :: Int -- ^ starting index+ -> Int -- ^ length of the slice+ -> v s a+ -> v s a++ -- | Check whether two vectors overlap. This method should not be+ -- called directly, use 'overlaps' instead.+ basicOverlaps :: v s a -> v s a -> Bool++ -- | Create a mutable vector of the given length. This method should not be+ -- called directly, use 'unsafeNew' instead.+ basicUnsafeNew :: PrimMonad m => Int -> m (v (PrimState m) a)++ -- | Initialize a vector to a standard value. This is intended to be called as+ -- part of the safe new operation (and similar operations), to properly blank+ -- the newly allocated memory if necessary.+ --+ -- Vectors that are necessarily initialized as part of creation may implement+ -- this as a no-op.+ basicInitialize :: PrimMonad m => v (PrimState m) a -> m ()++ -- | Create a mutable vector of the given length and fill it with an+ -- initial value. This method should not be called directly, use+ -- 'replicate' instead.+ basicUnsafeReplicate :: PrimMonad m => Int -> a -> m (v (PrimState m) a)++ -- | Yield the element at the given position. This method should not be+ -- called directly, use 'unsafeRead' instead.+ basicUnsafeRead :: PrimMonad m => v (PrimState m) a -> Int -> m a++ -- | Replace the element at the given position. This method should not be+ -- called directly, use 'unsafeWrite' instead.+ basicUnsafeWrite :: PrimMonad m => v (PrimState m) a -> Int -> a -> m ()++ -- | Reset all elements of the vector to some undefined value, clearing all+ -- references to external objects. This is usually a noop for unboxed+ -- vectors. This method should not be called directly, use 'clear' instead.+ basicClear :: PrimMonad m => v (PrimState m) a -> m ()++ -- | Set all elements of the vector to the given value. This method should+ -- not be called directly, use 'set' instead.+ basicSet :: PrimMonad m => v (PrimState m) a -> a -> m ()++ -- | Copy a vector. The two vectors may not overlap. This method should not+ -- be called directly, use 'unsafeCopy' instead.+ basicUnsafeCopy :: PrimMonad m => v (PrimState m) a -- ^ target+ -> v (PrimState m) a -- ^ source+ -> m ()++ -- | Move the contents of a vector. The two vectors may overlap. This method+ -- should not be called directly, use 'unsafeMove' instead.+ basicUnsafeMove :: PrimMonad m => v (PrimState m) a -- ^ target+ -> v (PrimState m) a -- ^ source+ -> m ()++ -- | Grow a vector by the given number of elements. This method should not be+ -- called directly, use 'unsafeGrow' instead.+ basicUnsafeGrow :: PrimMonad m => v (PrimState m) a -> Int+ -> m (v (PrimState m) a)++ {-# INLINE basicUnsafeReplicate #-}+ basicUnsafeReplicate n x+ = do+ v <- basicUnsafeNew n+ basicSet v x+ return v++ {-# INLINE basicClear #-}+ basicClear _ = return ()++ {-# INLINE basicSet #-}+ basicSet !v x+ | n == 0 = return ()+ | otherwise = do+ basicUnsafeWrite v 0 x+ do_set 1+ where+ !n = basicLength v++ do_set i | 2*i < n = do basicUnsafeCopy (basicUnsafeSlice i i v)+ (basicUnsafeSlice 0 i v)+ do_set (2*i)+ | otherwise = basicUnsafeCopy (basicUnsafeSlice i (n-i) v)+ (basicUnsafeSlice 0 (n-i) v)++ {-# INLINE basicUnsafeCopy #-}+ basicUnsafeCopy !dst !src = do_copy 0+ where+ !n = basicLength src++ do_copy i | i < n = do+ x <- basicUnsafeRead src i+ basicUnsafeWrite dst i x+ do_copy (i+1)+ | otherwise = return ()++ {-# INLINE basicUnsafeMove #-}+ basicUnsafeMove !dst !src+ | basicOverlaps dst src = do+ srcCopy <- basicUnsafeNew (basicLength src)+ basicUnsafeCopy srcCopy src+ basicUnsafeCopy dst srcCopy+ | otherwise = basicUnsafeCopy dst src++ {-# INLINE basicUnsafeGrow #-}+ basicUnsafeGrow v by+ = do+ v' <- basicUnsafeNew (n+by)+ basicUnsafeCopy (basicUnsafeSlice 0 n v') v+ return v'+ where+ n = basicLength v+
Data/Vector/Generic/New.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE Rank2Types, FlexibleContexts #-}+{-# LANGUAGE CPP, Rank2Types, FlexibleContexts, MultiParamTypeClasses #-} -- | -- Module : Data.Vector.Generic.New@@ -8,30 +8,33 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Purely functional interface to initialisation of mutable vectors -- module Data.Vector.Generic.New (- New(..), create, run, runPrim, apply, modify, modifyWithStream,+ New(..), create, run, runPrim, apply, modify, modifyWithBundle, unstream, transform, unstreamR, transformR, slice, init, tail, take, drop, unsafeSlice, unsafeInit, unsafeTail ) where import qualified Data.Vector.Generic.Mutable as MVector-import Data.Vector.Generic.Mutable ( MVector ) import Data.Vector.Generic.Base ( Vector, Mutable ) -import Data.Vector.Fusion.Stream ( Stream, MStream )-import qualified Data.Vector.Fusion.Stream as Stream+import Data.Vector.Fusion.Bundle ( Bundle )+import qualified Data.Vector.Fusion.Bundle as Bundle+import Data.Vector.Fusion.Stream.Monadic ( Stream )+import Data.Vector.Fusion.Bundle.Size import Control.Monad.Primitive import Control.Monad.ST ( ST ) import Control.Monad ( liftM ) import Prelude hiding ( init, tail, take, drop, reverse, map, filter ) +-- Data.Vector.Internal.Check is unused+#define NOT_VECTOR_MODULE #include "vector.h" data New v a = New (forall s. ST s (Mutable v s a))@@ -56,117 +59,120 @@ {-# INLINE modify #-} modify f (New p) = New (do { v <- p; f v; return v }) -modifyWithStream :: (forall s. Mutable v s a -> Stream b -> ST s ())- -> New v a -> Stream b -> New v a-{-# INLINE_STREAM modifyWithStream #-}-modifyWithStream f (New p) s = s `seq` New (do { v <- p; f v s; return v })+modifyWithBundle :: (forall s. Mutable v s a -> Bundle u b -> ST s ())+ -> New v a -> Bundle u b -> New v a+{-# INLINE_FUSED modifyWithBundle #-}+modifyWithBundle f (New p) s = s `seq` New (do { v <- p; f v s; return v }) -unstream :: Vector v a => Stream a -> New v a-{-# INLINE_STREAM unstream #-}-unstream s = s `seq` New (MVector.unstream s)+unstream :: Vector v a => Bundle v a -> New v a+{-# INLINE_FUSED unstream #-}+unstream s = s `seq` New (MVector.vunstream s) -transform :: Vector v a =>- (forall m. Monad m => MStream m a -> MStream m a) -> New v a -> New v a-{-# INLINE_STREAM transform #-}-transform f (New p) = New (MVector.transform f =<< p)+transform+ :: Vector v a => (forall m. Monad m => Stream m a -> Stream m a)+ -> (Size -> Size) -> New v a -> New v a+{-# INLINE_FUSED transform #-}+transform f _ (New p) = New (MVector.transform f =<< p) {-# RULES "transform/transform [New]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a)- (g :: forall m. Monad m => MStream m a -> MStream m a)- p .- transform f (transform g p) = transform (f . g) p+ forall (f1 :: forall m. Monad m => Stream m a -> Stream m a)+ (f2 :: forall m. Monad m => Stream m a -> Stream m a)+ g1 g2 p .+ transform f1 g1 (transform f2 g2 p) = transform (f1 . f2) (g1 . g2) p "transform/unstream [New]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a)- s.- transform f (unstream s) = unstream (f s)+ forall (f :: forall m. Monad m => Stream m a -> Stream m a)+ g s.+ transform f g (unstream s) = unstream (Bundle.inplace f g s) #-} - #-} -unstreamR :: Vector v a => Stream a -> New v a-{-# INLINE_STREAM unstreamR #-}++unstreamR :: Vector v a => Bundle v a -> New v a+{-# INLINE_FUSED unstreamR #-} unstreamR s = s `seq` New (MVector.unstreamR s) -transformR :: Vector v a =>- (forall m. Monad m => MStream m a -> MStream m a) -> New v a -> New v a-{-# INLINE_STREAM transformR #-}-transformR f (New p) = New (MVector.transformR f =<< p)+transformR+ :: Vector v a => (forall m. Monad m => Stream m a -> Stream m a)+ -> (Size -> Size) -> New v a -> New v a+{-# INLINE_FUSED transformR #-}+transformR f _ (New p) = New (MVector.transformR f =<< p) {-# RULES "transformR/transformR [New]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a)- (g :: forall m. Monad m => MStream m a -> MStream m a)+ forall (f1 :: forall m. Monad m => Stream m a -> Stream m a)+ (f2 :: forall m. Monad m => Stream m a -> Stream m a)+ g1 g2 p .- transformR f (transformR g p) = transformR (f . g) p+ transformR f1 g1 (transformR f2 g2 p) = transformR (f1 . f2) (g1 . g2) p "transformR/unstreamR [New]"- forall (f :: forall m. Monad m => MStream m a -> MStream m a)- s.- transformR f (unstreamR s) = unstreamR (f s)+ forall (f :: forall m. Monad m => Stream m a -> Stream m a)+ g s.+ transformR f g (unstreamR s) = unstreamR (Bundle.inplace f g s) #-} - #-} + slice :: Vector v a => Int -> Int -> New v a -> New v a-{-# INLINE_STREAM slice #-}+{-# INLINE_FUSED slice #-} slice i n m = apply (MVector.slice i n) m init :: Vector v a => New v a -> New v a-{-# INLINE_STREAM init #-}+{-# INLINE_FUSED init #-} init m = apply MVector.init m tail :: Vector v a => New v a -> New v a-{-# INLINE_STREAM tail #-}+{-# INLINE_FUSED tail #-} tail m = apply MVector.tail m take :: Vector v a => Int -> New v a -> New v a-{-# INLINE_STREAM take #-}+{-# INLINE_FUSED take #-} take n m = apply (MVector.take n) m drop :: Vector v a => Int -> New v a -> New v a-{-# INLINE_STREAM drop #-}+{-# INLINE_FUSED drop #-} drop n m = apply (MVector.drop n) m unsafeSlice :: Vector v a => Int -> Int -> New v a -> New v a-{-# INLINE_STREAM unsafeSlice #-}+{-# INLINE_FUSED unsafeSlice #-} unsafeSlice i n m = apply (MVector.unsafeSlice i n) m unsafeInit :: Vector v a => New v a -> New v a-{-# INLINE_STREAM unsafeInit #-}+{-# INLINE_FUSED unsafeInit #-} unsafeInit m = apply MVector.unsafeInit m unsafeTail :: Vector v a => New v a -> New v a-{-# INLINE_STREAM unsafeTail #-}+{-# INLINE_FUSED unsafeTail #-} unsafeTail m = apply MVector.unsafeTail m {-# RULES "slice/unstream [New]" forall i n s.- slice i n (unstream s) = unstream (Stream.slice i n s)+ slice i n (unstream s) = unstream (Bundle.slice i n s) "init/unstream [New]" forall s.- init (unstream s) = unstream (Stream.init s)+ init (unstream s) = unstream (Bundle.init s) "tail/unstream [New]" forall s.- tail (unstream s) = unstream (Stream.tail s)+ tail (unstream s) = unstream (Bundle.tail s) "take/unstream [New]" forall n s.- take n (unstream s) = unstream (Stream.take n s)+ take n (unstream s) = unstream (Bundle.take n s) "drop/unstream [New]" forall n s.- drop n (unstream s) = unstream (Stream.drop n s)+ drop n (unstream s) = unstream (Bundle.drop n s) "unsafeSlice/unstream [New]" forall i n s.- unsafeSlice i n (unstream s) = unstream (Stream.slice i n s)+ unsafeSlice i n (unstream s) = unstream (Bundle.slice i n s) "unsafeInit/unstream [New]" forall s.- unsafeInit (unstream s) = unstream (Stream.init s)+ unsafeInit (unstream s) = unstream (Bundle.init s) "unsafeTail/unstream [New]" forall s.- unsafeTail (unstream s) = unstream (Stream.tail s)+ unsafeTail (unstream s) = unstream (Bundle.tail s) #-} - #-}+
Data/Vector/Internal/Check.hs view
@@ -1,3 +1,5 @@+{-# LANGUAGE CPP #-}+ -- | -- Module : Data.Vector.Internal.Check -- Copyright : (c) Roman Leshchinskiy 2009@@ -37,12 +39,12 @@ (&&) :: Bool -> Bool -> Bool {-# INLINE (&&) #-}-False && x = False+False && _ = False True && x = x (||) :: Bool -> Bool -> Bool {-# INLINE (||) #-}-True || x = True+True || _ = True False || x = x
Data/Vector/Mutable.hs view
@@ -1,5 +1,4 @@-{-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, BangPatterns,- TypeFamilies #-}+{-# LANGUAGE CPP, DeriveDataTypeable, MultiParamTypeClasses, FlexibleInstances, BangPatterns, TypeFamilies #-} -- | -- Module : Data.Vector.Mutable@@ -9,7 +8,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Mutable boxed vectors. -- @@ -41,8 +40,8 @@ clear, -- * Accessing individual elements- read, write, swap,- unsafeRead, unsafeWrite, unsafeSwap,+ read, write, modify, swap,+ unsafeRead, unsafeWrite, unsafeModify, unsafeSwap, -- * Modifying vectors @@ -55,8 +54,6 @@ import Data.Primitive.Array import Control.Monad.Primitive -import Control.DeepSeq ( NFData, rnf )- import Prelude hiding ( length, null, replicate, reverse, map, read, take, drop, splitAt, init, tail ) @@ -88,7 +85,7 @@ basicLength (MVector _ n _) = n {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice j m (MVector i n arr) = MVector (i+j) m arr+ basicUnsafeSlice j m (MVector i _ arr) = MVector (i+j) m arr {-# INLINE basicOverlaps #-} basicOverlaps (MVector i m arr1) (MVector j n arr2)@@ -103,6 +100,10 @@ arr <- newArray n uninitialised return (MVector 0 n arr) + {-# INLINE basicInitialize #-}+ -- initialization is unnecessary for boxed vectors+ basicInitialize _ = return ()+ {-# INLINE basicUnsafeReplicate #-} basicUnsafeReplicate n x = do@@ -110,15 +111,15 @@ return (MVector 0 n arr) {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MVector i n arr) j = readArray arr (i+j)+ basicUnsafeRead (MVector i _ arr) j = readArray arr (i+j) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MVector i n arr) j x = writeArray arr (i+j) x+ basicUnsafeWrite (MVector i _ arr) j x = writeArray arr (i+j) x {-# INLINE basicUnsafeCopy #-} basicUnsafeCopy (MVector i n dst) (MVector j _ src) = copyMutableArray dst i src j n- + basicUnsafeMove dst@(MVector iDst n arrDst) src@(MVector iSrc _ arrSrc) = case n of 0 -> return ()@@ -254,7 +255,7 @@ -- Overlapping -- ----------- --- Check whether two vectors overlap.+-- | Check whether two vectors overlap. overlaps :: MVector s a -> MVector s a -> Bool {-# INLINE overlaps #-} overlaps = G.overlaps@@ -310,7 +311,7 @@ -- ------------------------ -- | Reset all elements of the vector to some undefined value, clearing all--- references to external objects. This is usually a noop for unboxed vectors. +-- references to external objects. This is usually a noop for unboxed vectors. clear :: PrimMonad m => MVector (PrimState m) a -> m () {-# INLINE clear #-} clear = G.clear@@ -328,6 +329,11 @@ {-# INLINE write #-} write = G.write +-- | Modify the element at the given position.+modify :: PrimMonad m => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE modify #-}+modify = G.modify+ -- | Swap the elements at the given positions. swap :: PrimMonad m => MVector (PrimState m) a -> Int -> Int -> m () {-# INLINE swap #-}@@ -344,6 +350,11 @@ {-# INLINE unsafeWrite #-} unsafeWrite = G.unsafeWrite +-- | Modify the element at the given position. No bounds checks are performed.+unsafeModify :: PrimMonad m => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE unsafeModify #-}+unsafeModify = G.unsafeModify+ -- | Swap the elements at the given positions. No bounds checks are performed. unsafeSwap :: PrimMonad m => MVector (PrimState m) a -> Int -> Int -> m () {-# INLINE unsafeSwap #-}@@ -374,7 +385,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length.--- +-- -- If the vectors do not overlap, then this is equivalent to 'copy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -386,7 +397,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length, but this is not checked.--- +-- -- If the vectors do not overlap, then this is equivalent to 'unsafeCopy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied
Data/Vector/Primitive.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, TypeFamilies, ScopedTypeVariables, Rank2Types #-}+{-# LANGUAGE CPP, DeriveDataTypeable, FlexibleInstances, MultiParamTypeClasses, TypeFamilies, ScopedTypeVariables, Rank2Types #-} -- | -- Module : Data.Vector.Primitive@@ -8,7 +8,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Unboxed vectors of primitive types. The use of this module is not -- recommended except in very special cases. Adaptive unboxed vectors defined -- in "Data.Vector.Unboxed" are significantly more flexible at no performance@@ -67,7 +67,7 @@ accum, accumulate_, unsafeAccum, unsafeAccumulate_, - -- ** Permutations + -- ** Permutations reverse, backpermute, unsafeBackpermute, -- ** Safe destructive updates@@ -136,7 +136,7 @@ import qualified Data.Vector.Generic as G import Data.Vector.Primitive.Mutable ( MVector(..) )-import qualified Data.Vector.Fusion.Stream as Stream+import qualified Data.Vector.Fusion.Bundle as Bundle import Data.Primitive.ByteArray import Data.Primitive ( Prim, sizeOf ) @@ -160,8 +160,6 @@ enumFromTo, enumFromThenTo, mapM, mapM_ ) -import qualified Prelude- import Data.Typeable ( Typeable ) import Data.Data ( Data(..) ) import Text.Read ( Read(..), readListPrecDefault )@@ -228,27 +226,27 @@ -- See http://trac.haskell.org/vector/ticket/12 instance (Prim a, Eq a) => Eq (Vector a) where {-# INLINE (==) #-}- xs == ys = Stream.eq (G.stream xs) (G.stream ys)+ xs == ys = Bundle.eq (G.stream xs) (G.stream ys) {-# INLINE (/=) #-}- xs /= ys = not (Stream.eq (G.stream xs) (G.stream ys))+ xs /= ys = not (Bundle.eq (G.stream xs) (G.stream ys)) -- See http://trac.haskell.org/vector/ticket/12 instance (Prim a, Ord a) => Ord (Vector a) where {-# INLINE compare #-}- compare xs ys = Stream.cmp (G.stream xs) (G.stream ys)+ compare xs ys = Bundle.cmp (G.stream xs) (G.stream ys) {-# INLINE (<) #-}- xs < ys = Stream.cmp (G.stream xs) (G.stream ys) == LT+ xs < ys = Bundle.cmp (G.stream xs) (G.stream ys) == LT {-# INLINE (<=) #-}- xs <= ys = Stream.cmp (G.stream xs) (G.stream ys) /= GT+ xs <= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= GT {-# INLINE (>) #-}- xs > ys = Stream.cmp (G.stream xs) (G.stream ys) == GT+ xs > ys = Bundle.cmp (G.stream xs) (G.stream ys) == GT {-# INLINE (>=) #-}- xs >= ys = Stream.cmp (G.stream xs) (G.stream ys) /= LT+ xs >= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= LT instance Prim a => Monoid (Vector a) where {-# INLINE mempty #-}@@ -634,7 +632,7 @@ -- > <5,9,2,7> // [(2,1),(0,3),(2,8)] = <3,9,8,7> -- (//) :: Prim a => Vector a -- ^ initial vector (of length @m@)- -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) + -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) -> Vector a {-# INLINE (//) #-} (//) = (G.//)@@ -1208,7 +1206,7 @@ -- > yi = f y(i-1) x(i-1) -- -- Example: @scanl (+) 0 \<1,2,3,4\> = \<0,1,3,6,10\>@--- +-- scanl :: (Prim a, Prim b) => (a -> b -> a) -> a -> Vector b -> Vector a {-# INLINE scanl #-} scanl = G.scanl@@ -1332,7 +1330,7 @@ :: (Prim a, PrimMonad m) => MVector (PrimState m) a -> Vector a -> m () {-# INLINE unsafeCopy #-} unsafeCopy = G.unsafeCopy- + -- | /O(n)/ Copy an immutable vector into a mutable one. The two vectors must -- have the same length. copy :: (Prim a, PrimMonad m) => MVector (PrimState m) a -> Vector a -> m ()
Data/Vector/Primitive/Mutable.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, ScopedTypeVariables #-}+{-# LANGUAGE CPP, DeriveDataTypeable, MultiParamTypeClasses, FlexibleInstances, ScopedTypeVariables #-} -- | -- Module : Data.Vector.Primitive.Mutable@@ -8,7 +8,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Mutable primitive vectors. -- @@ -40,8 +40,8 @@ clear, -- * Accessing individual elements- read, write, swap,- unsafeRead, unsafeWrite, unsafeSwap,+ read, write, modify, swap,+ unsafeRead, unsafeWrite, unsafeModify, unsafeSwap, -- * Modifying vectors @@ -52,6 +52,7 @@ import qualified Data.Vector.Generic.Mutable as G import Data.Primitive.ByteArray import Data.Primitive ( Prim, sizeOf )+import Data.Word ( Word8 ) import Control.Monad.Primitive import Control.Monad ( liftM ) @@ -62,6 +63,8 @@ import Data.Typeable ( Typeable ) +-- Data.Vector.Internal.Check is unnecessary+#define NOT_VECTOR_MODULE #include "vector.h" -- | Mutable vectors of primitive types.@@ -78,7 +81,7 @@ instance Prim a => G.MVector MVector a where basicLength (MVector _ n _) = n- basicUnsafeSlice j m (MVector i n arr)+ basicUnsafeSlice j m (MVector i _ arr) = MVector (i+j) m arr {-# INLINE basicOverlaps #-}@@ -89,21 +92,33 @@ between x y z = x >= y && x < z {-# INLINE basicUnsafeNew #-}- basicUnsafeNew n = MVector 0 n- `liftM` newByteArray (n * sizeOf (undefined :: a))+ basicUnsafeNew n+ | n < 0 = error $ "Primitive.basicUnsafeNew: negative length: " ++ show n+ | n > mx = error $ "Primitive.basicUnsafeNew: length to large: " ++ show n+ | otherwise = MVector 0 n `liftM` newByteArray (n * size)+ where+ size = sizeOf (undefined :: a)+ mx = maxBound `div` size :: Int + {-# INLINE basicInitialize #-}+ basicInitialize (MVector off n v) =+ setByteArray v (off * size) (n * size) (0 :: Word8)+ where+ size = sizeOf (undefined :: a)++ {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MVector i n arr) j = readByteArray arr (i+j)+ basicUnsafeRead (MVector i _ arr) j = readByteArray arr (i+j) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MVector i n arr) j x = writeByteArray arr (i+j) x+ basicUnsafeWrite (MVector i _ arr) j x = writeByteArray arr (i+j) x {-# INLINE basicUnsafeCopy #-} basicUnsafeCopy (MVector i n dst) (MVector j _ src) = copyMutableByteArray dst (i*sz) src (j*sz) (n*sz) where sz = sizeOf (undefined :: a)- + {-# INLINE basicUnsafeMove #-} basicUnsafeMove (MVector i n dst) (MVector j _ src) = moveByteArray dst (i*sz) src (j*sz) (n * sz)@@ -183,7 +198,7 @@ -- Overlapping -- ----------- --- Check whether two vectors overlap.+-- | Check whether two vectors overlap. overlaps :: Prim a => MVector s a -> MVector s a -> Bool {-# INLINE overlaps #-} overlaps = G.overlaps@@ -224,7 +239,7 @@ -- | Grow a vector by the given number of elements. The number must be -- positive.-grow :: (PrimMonad m, Prim a) +grow :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> m (MVector (PrimState m) a) {-# INLINE grow #-} grow = G.grow@@ -240,7 +255,7 @@ -- ------------------------ -- | Reset all elements of the vector to some undefined value, clearing all--- references to external objects. This is usually a noop for unboxed vectors. +-- references to external objects. This is usually a noop for unboxed vectors. clear :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> m () {-# INLINE clear #-} clear = G.clear@@ -258,6 +273,11 @@ {-# INLINE write #-} write = G.write +-- | Modify the element at the given position.+modify :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE modify #-}+modify = G.modify+ -- | Swap the elements at the given positions. swap :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> Int -> m () {-# INLINE swap #-}@@ -275,6 +295,11 @@ {-# INLINE unsafeWrite #-} unsafeWrite = G.unsafeWrite +-- | Modify the element at the given position. No bounds checks are performed.+unsafeModify :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE unsafeModify #-}+unsafeModify = G.unsafeModify+ -- | Swap the elements at the given positions. No bounds checks are performed. unsafeSwap :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> Int -> Int -> m ()@@ -291,7 +316,7 @@ -- | Copy a vector. The two vectors must have the same length and may not -- overlap.-copy :: (PrimMonad m, Prim a) +copy :: (PrimMonad m, Prim a) => MVector (PrimState m) a -> MVector (PrimState m) a -> m () {-# INLINE copy #-} copy = G.copy@@ -307,7 +332,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length.--- +-- -- If the vectors do not overlap, then this is equivalent to 'copy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -319,7 +344,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length, but this is not checked.--- +-- -- If the vectors do not overlap, then this is equivalent to 'unsafeCopy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied
Data/Vector/Storable.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, TypeFamilies, Rank2Types, ScopedTypeVariables #-}+{-# LANGUAGE CPP, DeriveDataTypeable, MultiParamTypeClasses, FlexibleInstances, TypeFamilies, Rank2Types, ScopedTypeVariables #-} -- | -- Module : Data.Vector.Storable@@ -8,7 +8,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- 'Storable'-based vectors. -- @@ -64,7 +64,7 @@ accum, accumulate_, unsafeAccum, unsafeAccumulate_, - -- ** Permutations + -- ** Permutations reverse, backpermute, unsafeBackpermute, -- ** Safe destructive updates@@ -139,7 +139,7 @@ import qualified Data.Vector.Generic as G import Data.Vector.Storable.Mutable ( MVector(..) ) import Data.Vector.Storable.Internal-import qualified Data.Vector.Fusion.Stream as Stream+import qualified Data.Vector.Fusion.Bundle as Bundle import Foreign.Storable import Foreign.ForeignPtr@@ -165,8 +165,6 @@ enumFromTo, enumFromThenTo, mapM, mapM_ ) -import qualified Prelude- import Data.Typeable ( Typeable ) import Data.Data ( Data(..) ) import Text.Read ( Read(..), readListPrecDefault )@@ -177,6 +175,8 @@ import qualified GHC.Exts as Exts #endif +-- Data.Vector.Internal.Check is unused+#define NOT_VECTOR_MODULE #include "vector.h" -- | 'Storable'-based vectors@@ -235,27 +235,27 @@ -- See http://trac.haskell.org/vector/ticket/12 instance (Storable a, Eq a) => Eq (Vector a) where {-# INLINE (==) #-}- xs == ys = Stream.eq (G.stream xs) (G.stream ys)+ xs == ys = Bundle.eq (G.stream xs) (G.stream ys) {-# INLINE (/=) #-}- xs /= ys = not (Stream.eq (G.stream xs) (G.stream ys))+ xs /= ys = not (Bundle.eq (G.stream xs) (G.stream ys)) -- See http://trac.haskell.org/vector/ticket/12 instance (Storable a, Ord a) => Ord (Vector a) where {-# INLINE compare #-}- compare xs ys = Stream.cmp (G.stream xs) (G.stream ys)+ compare xs ys = Bundle.cmp (G.stream xs) (G.stream ys) {-# INLINE (<) #-}- xs < ys = Stream.cmp (G.stream xs) (G.stream ys) == LT+ xs < ys = Bundle.cmp (G.stream xs) (G.stream ys) == LT {-# INLINE (<=) #-}- xs <= ys = Stream.cmp (G.stream xs) (G.stream ys) /= GT+ xs <= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= GT {-# INLINE (>) #-}- xs > ys = Stream.cmp (G.stream xs) (G.stream ys) == GT+ xs > ys = Bundle.cmp (G.stream xs) (G.stream ys) == GT {-# INLINE (>=) #-}- xs >= ys = Stream.cmp (G.stream xs) (G.stream ys) /= LT+ xs >= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= LT instance Storable a => Monoid (Vector a) where {-# INLINE mempty #-}@@ -642,7 +642,7 @@ -- > <5,9,2,7> // [(2,1),(0,3),(2,8)] = <3,9,8,7> -- (//) :: Storable a => Vector a -- ^ initial vector (of length @m@)- -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) + -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) -> Vector a {-# INLINE (//) #-} (//) = (G.//)@@ -1226,7 +1226,7 @@ -- > yi = f y(i-1) x(i-1) -- -- Example: @scanl (+) 0 \<1,2,3,4\> = \<0,1,3,6,10\>@--- +-- scanl :: (Storable a, Storable b) => (a -> b -> a) -> a -> Vector b -> Vector a {-# INLINE scanl #-} scanl = G.scanl@@ -1369,7 +1369,7 @@ :: (Storable a, PrimMonad m) => MVector (PrimState m) a -> Vector a -> m () {-# INLINE unsafeCopy #-} unsafeCopy = G.unsafeCopy- + -- | /O(n)/ Copy an immutable vector into a mutable one. The two vectors must -- have the same length. copy :: (Storable a, PrimMonad m) => MVector (PrimState m) a -> Vector a -> m ()@@ -1389,16 +1389,16 @@ -> Int -- ^ offset -> Int -- ^ length -> Vector a-{-# INLINE unsafeFromForeignPtr #-}+{-# INLINE_FUSED unsafeFromForeignPtr #-} unsafeFromForeignPtr fp i n = unsafeFromForeignPtr0 fp' n where fp' = updPtr (`advancePtr` i) fp {-# RULES "unsafeFromForeignPtr fp 0 n -> unsafeFromForeignPtr0 fp n " forall fp n.- unsafeFromForeignPtr fp 0 n = unsafeFromForeignPtr0 fp n- #-}+ unsafeFromForeignPtr fp 0 n = unsafeFromForeignPtr0 fp n #-} + -- | /O(1)/ Create a vector from a 'ForeignPtr' and a length. -- -- It is assumed the pointer points directly to the data (no offset).@@ -1431,6 +1431,6 @@ -- modified through the 'Ptr. unsafeWith :: Storable a => Vector a -> (Ptr a -> IO b) -> IO b {-# INLINE unsafeWith #-}-unsafeWith (Vector n fp) = withForeignPtr fp+unsafeWith (Vector _ fp) = withForeignPtr fp
Data/Vector/Storable/Internal.hs view
@@ -6,7 +6,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Ugly internal utility functions for implementing 'Storable'-based vectors. -- @@ -14,12 +14,8 @@ getPtr, setPtr, updPtr ) where -import Control.Monad.Primitive ( unsafeInlineIO )-import Foreign.Storable import Foreign.ForeignPtr import Foreign.Ptr-import Foreign.Marshal.Array ( advancePtr )-import GHC.Base ( quotInt ) import GHC.ForeignPtr ( ForeignPtr(..) ) import GHC.Ptr ( Ptr(..) )
Data/Vector/Storable/Mutable.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, ScopedTypeVariables #-}+{-# LANGUAGE CPP, DeriveDataTypeable, MultiParamTypeClasses, FlexibleInstances, ScopedTypeVariables #-} -- | -- Module : Data.Vector.Storable.Mutable@@ -8,7 +8,7 @@ -- Maintainer : Roman Leshchinskiy <rl@cse.unsw.edu.au> -- Stability : experimental -- Portability : non-portable--- +-- -- Mutable vectors based on Storable. -- @@ -40,8 +40,8 @@ clear, -- * Accessing individual elements- read, write, swap,- unsafeRead, unsafeWrite, unsafeSwap,+ read, write, modify, swap,+ unsafeRead, unsafeWrite, unsafeModify, unsafeSwap, -- * Modifying vectors @@ -71,7 +71,6 @@ import Foreign.Ptr import Foreign.Marshal.Array ( advancePtr, copyArray, moveArray )-import Foreign.C.Types ( CInt ) import Control.Monad.Primitive import Data.Primitive.Addr@@ -85,6 +84,8 @@ import Data.Typeable ( Typeable ) +-- Data.Vector.Internal.Check is not needed+#define NOT_VECTOR_MODULE #include "vector.h" -- | Mutable 'Storable'-based vectors@@ -103,7 +104,7 @@ basicLength (MVector n _) = n {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice j m (MVector n fp) = MVector m (updPtr (`advancePtr` j) fp)+ basicUnsafeSlice j m (MVector _ fp) = MVector m (updPtr (`advancePtr` j) fp) -- FIXME: this relies on non-portable pointer comparisons {-# INLINE basicOverlaps #-}@@ -116,11 +117,18 @@ {-# INLINE basicUnsafeNew #-} basicUnsafeNew n- = unsafePrimToPrim- $ do+ | n < 0 = error $ "Storable.basicUnsafeNew: negative length: " ++ show n+ | n > mx = error $ "Storable.basicUnsafeNew: length too large: " ++ show n+ | otherwise = unsafePrimToPrim $ do fp <- mallocVector n return $ MVector n fp+ where+ size = sizeOf (undefined :: a)+ mx = maxBound `quot` size :: Int + {-# INLINE basicInitialize #-}+ basicInitialize = storableZero+ {-# INLINE basicUnsafeRead #-} basicUnsafeRead (MVector _ fp) i = unsafePrimToPrim@@ -140,7 +148,7 @@ $ withForeignPtr fp $ \p -> withForeignPtr fq $ \q -> copyArray p q n- + {-# INLINE basicUnsafeMove #-} basicUnsafeMove (MVector n fp) (MVector _ fq) = unsafePrimToPrim@@ -148,9 +156,21 @@ withForeignPtr fq $ \q -> moveArray p q n +storableZero :: forall a m. (Storable a, PrimMonad m) => MVector (PrimState m) a -> m ()+{-# INLINE storableZero #-}+storableZero (MVector n fp) = unsafePrimToPrim . withForeignPtr fp $ \(Ptr p) -> do+ let q = Addr p+ setAddr q byteSize (0 :: Word8)+ where+ x :: a+ x = undefined++ byteSize :: Int+ byteSize = n * sizeOf x+ storableSet :: (Storable a, PrimMonad m) => MVector (PrimState m) a -> a -> m () {-# INLINE storableSet #-}-storableSet v@(MVector n fp) x+storableSet (MVector n fp) x | n == 0 = return () | otherwise = unsafePrimToPrim $ case sizeOf x of@@ -260,7 +280,7 @@ -- Overlapping -- ----------- --- Check whether two vectors overlap.+-- | Check whether two vectors overlap. overlaps :: Storable a => MVector s a -> MVector s a -> Bool {-# INLINE overlaps #-} overlaps = G.overlaps@@ -301,7 +321,7 @@ -- | Grow a vector by the given number of elements. The number must be -- positive.-grow :: (PrimMonad m, Storable a) +grow :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> Int -> m (MVector (PrimState m) a) {-# INLINE grow #-} grow = G.grow@@ -317,7 +337,7 @@ -- ------------------------ -- | Reset all elements of the vector to some undefined value, clearing all--- references to external objects. This is usually a noop for unboxed vectors. +-- references to external objects. This is usually a noop for unboxed vectors. clear :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> m () {-# INLINE clear #-} clear = G.clear@@ -336,6 +356,11 @@ {-# INLINE write #-} write = G.write +-- | Modify the element at the given position.+modify :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE modify #-}+modify = G.modify+ -- | Swap the elements at the given positions. swap :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> Int -> Int -> m ()@@ -354,6 +379,11 @@ {-# INLINE unsafeWrite #-} unsafeWrite = G.unsafeWrite +-- | Modify the element at the given position. No bounds checks are performed.+unsafeModify :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE unsafeModify #-}+unsafeModify = G.unsafeModify+ -- | Swap the elements at the given positions. No bounds checks are performed. unsafeSwap :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> Int -> Int -> m ()@@ -370,7 +400,7 @@ -- | Copy a vector. The two vectors must have the same length and may not -- overlap.-copy :: (PrimMonad m, Storable a) +copy :: (PrimMonad m, Storable a) => MVector (PrimState m) a -> MVector (PrimState m) a -> m () {-# INLINE copy #-} copy = G.copy@@ -386,7 +416,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length.--- +-- -- If the vectors do not overlap, then this is equivalent to 'copy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -398,7 +428,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length, but this is not checked.--- +-- -- If the vectors do not overlap, then this is equivalent to 'unsafeCopy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -441,16 +471,16 @@ -> Int -- ^ offset -> Int -- ^ length -> MVector s a-{-# INLINE unsafeFromForeignPtr #-}+{-# INLINE_FUSED unsafeFromForeignPtr #-} unsafeFromForeignPtr fp i n = unsafeFromForeignPtr0 fp' n where fp' = updPtr (`advancePtr` i) fp {-# RULES "unsafeFromForeignPtr fp 0 n -> unsafeFromForeignPtr0 fp n " forall fp n.- unsafeFromForeignPtr fp 0 n = unsafeFromForeignPtr0 fp n- #-}+ unsafeFromForeignPtr fp 0 n = unsafeFromForeignPtr0 fp n #-} + -- | /O(1)/ Create a mutable vector from a 'ForeignPtr' and a length. -- -- It is assumed the pointer points directly to the data (no offset).@@ -487,5 +517,5 @@ -- the modification. unsafeWith :: Storable a => IOVector a -> (Ptr a -> IO b) -> IO b {-# INLINE unsafeWith #-}-unsafeWith (MVector n fp) = withForeignPtr fp+unsafeWith (MVector _ fp) = withForeignPtr fp
Data/Vector/Unboxed.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE Rank2Types, TypeFamilies #-}+{-# LANGUAGE CPP, Rank2Types, TypeFamilies #-} -- | -- Module : Data.Vector.Unboxed@@ -87,7 +87,7 @@ accum, accumulate, accumulate_, unsafeAccum, unsafeAccumulate, unsafeAccumulate_, - -- ** Permutations + -- ** Permutations reverse, backpermute, unsafeBackpermute, -- ** Safe destructive updates@@ -102,7 +102,7 @@ map, imap, concatMap, -- ** Monadic mapping- mapM, mapM_, forM, forM_,+ mapM, imapM, mapM_, imapM_, forM, forM_, -- ** Zipping zipWith, zipWith3, zipWith4, zipWith5, zipWith6,@@ -110,7 +110,7 @@ zip, zip3, zip4, zip5, zip6, -- ** Monadic zipping- zipWithM, zipWithM_,+ zipWithM, izipWithM, zipWithM_, izipWithM_, -- ** Unzipping unzip, unzip3, unzip4, unzip5, unzip6,@@ -138,8 +138,9 @@ minIndex, minIndexBy, maxIndex, maxIndexBy, -- ** Monadic folds- foldM, foldM', fold1M, fold1M',- foldM_, foldM'_, fold1M_, fold1M'_,+ foldM, ifoldM, foldM', ifoldM',+ fold1M, fold1M', foldM_, ifoldM_,+ foldM'_, ifoldM'_, fold1M_, fold1M'_, -- * Prefix sums (scans) prescanl, prescanl',@@ -163,7 +164,7 @@ import Data.Vector.Unboxed.Base import qualified Data.Vector.Generic as G-import qualified Data.Vector.Fusion.Stream as Stream+import qualified Data.Vector.Fusion.Bundle as Bundle import Data.Vector.Fusion.Util ( delayed_min ) import Control.Monad.ST ( ST )@@ -182,7 +183,6 @@ scanl, scanl1, scanr, scanr1, enumFromTo, enumFromThenTo, mapM, mapM_ )-import qualified Prelude import Text.Read ( Read(..), readListPrecDefault ) @@ -192,32 +192,33 @@ import qualified GHC.Exts as Exts (IsList(..)) #endif +#define NOT_VECTOR_MODULE #include "vector.h" -- See http://trac.haskell.org/vector/ticket/12 instance (Unbox a, Eq a) => Eq (Vector a) where {-# INLINE (==) #-}- xs == ys = Stream.eq (G.stream xs) (G.stream ys)+ xs == ys = Bundle.eq (G.stream xs) (G.stream ys) {-# INLINE (/=) #-}- xs /= ys = not (Stream.eq (G.stream xs) (G.stream ys))+ xs /= ys = not (Bundle.eq (G.stream xs) (G.stream ys)) -- See http://trac.haskell.org/vector/ticket/12 instance (Unbox a, Ord a) => Ord (Vector a) where {-# INLINE compare #-}- compare xs ys = Stream.cmp (G.stream xs) (G.stream ys)+ compare xs ys = Bundle.cmp (G.stream xs) (G.stream ys) {-# INLINE (<) #-}- xs < ys = Stream.cmp (G.stream xs) (G.stream ys) == LT+ xs < ys = Bundle.cmp (G.stream xs) (G.stream ys) == LT {-# INLINE (<=) #-}- xs <= ys = Stream.cmp (G.stream xs) (G.stream ys) /= GT+ xs <= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= GT {-# INLINE (>) #-}- xs > ys = Stream.cmp (G.stream xs) (G.stream ys) == GT+ xs > ys = Bundle.cmp (G.stream xs) (G.stream ys) == GT {-# INLINE (>=) #-}- xs >= ys = Stream.cmp (G.stream xs) (G.stream ys) /= LT+ xs >= ys = Bundle.cmp (G.stream xs) (G.stream ys) /= LT instance Unbox a => Monoid (Vector a) where {-# INLINE mempty #-}@@ -610,7 +611,7 @@ -- > <5,9,2,7> // [(2,1),(0,3),(2,8)] = <3,9,8,7> -- (//) :: Unbox a => Vector a -- ^ initial vector (of length @m@)- -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) + -> [(Int, a)] -- ^ list of index/value pairs (of length @n@) -> Vector a {-# INLINE (//) #-} (//) = (G.//)@@ -799,12 +800,25 @@ {-# INLINE mapM #-} mapM = G.mapM +-- | /O(n)/ Apply the monadic action to every element of a vector and its+-- index, yielding a vector of results+imapM :: (Monad m, Unbox a, Unbox b)+ => (Int -> a -> m b) -> Vector a -> m (Vector b)+{-# INLINE imapM #-}+imapM = G.imapM+ -- | /O(n)/ Apply the monadic action to all elements of a vector and ignore the -- results mapM_ :: (Monad m, Unbox a) => (a -> m b) -> Vector a -> m () {-# INLINE mapM_ #-} mapM_ = G.mapM_ +-- | /O(n)/ Apply the monadic action to every element of a vector and its+-- index, ignoring the results+imapM_ :: (Monad m, Unbox a) => (Int -> a -> m b) -> Vector a -> m ()+{-# INLINE imapM_ #-}+imapM_ = G.imapM_+ -- | /O(n)/ Apply the monadic action to all elements of the vector, yielding a -- vector of results. Equvalent to @flip 'mapM'@. forM :: (Monad m, Unbox a, Unbox b) => Vector a -> (a -> m b) -> m (Vector b)@@ -896,6 +910,13 @@ {-# INLINE zipWithM #-} zipWithM = G.zipWithM +-- | /O(min(m,n))/ Zip the two vectors with a monadic action that also takes+-- the element index and yield a vector of results+izipWithM :: (Monad m, Unbox a, Unbox b, Unbox c)+ => (Int -> a -> b -> m c) -> Vector a -> Vector b -> m (Vector c)+{-# INLINE izipWithM #-}+izipWithM = G.izipWithM+ -- | /O(min(m,n))/ Zip the two vectors with the monadic action and ignore the -- results zipWithM_ :: (Monad m, Unbox a, Unbox b)@@ -903,6 +924,13 @@ {-# INLINE zipWithM_ #-} zipWithM_ = G.zipWithM_ +-- | /O(min(m,n))/ Zip the two vectors with a monadic action that also takes+-- the element index and ignore the results+izipWithM_ :: (Monad m, Unbox a, Unbox b)+ => (Int -> a -> b -> m c) -> Vector a -> Vector b -> m ()+{-# INLINE izipWithM_ #-}+izipWithM_ = G.izipWithM_+ -- Filtering -- --------- @@ -1165,6 +1193,11 @@ {-# INLINE foldM #-} foldM = G.foldM +-- | /O(n)/ Monadic fold (action applied to each element and its index)+ifoldM :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m a+{-# INLINE ifoldM #-}+ifoldM = G.ifoldM+ -- | /O(n)/ Monadic fold over non-empty vectors fold1M :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m a {-# INLINE fold1M #-}@@ -1175,6 +1208,12 @@ {-# INLINE foldM' #-} foldM' = G.foldM' +-- | /O(n)/ Monadic fold with strict accumulator (action applied to each+-- element and its index)+ifoldM' :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m a+{-# INLINE ifoldM' #-}+ifoldM' = G.ifoldM'+ -- | /O(n)/ Monadic fold over non-empty vectors with strict accumulator fold1M' :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m a {-# INLINE fold1M' #-}@@ -1185,6 +1224,12 @@ {-# INLINE foldM_ #-} foldM_ = G.foldM_ +-- | /O(n)/ Monadic fold that discards the result (action applied to each+-- element and its index)+ifoldM_ :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m ()+{-# INLINE ifoldM_ #-}+ifoldM_ = G.ifoldM_+ -- | /O(n)/ Monadic fold over non-empty vectors that discards the result fold1M_ :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m () {-# INLINE fold1M_ #-}@@ -1195,6 +1240,13 @@ {-# INLINE foldM'_ #-} foldM'_ = G.foldM'_ +-- | /O(n)/ Monadic fold with strict accumulator that discards the result+-- (action applied to each element and its index)+ifoldM'_ :: (Monad m, Unbox b)+ => (a -> Int -> b -> m a) -> a -> Vector b -> m ()+{-# INLINE ifoldM'_ #-}+ifoldM'_ = G.ifoldM'_+ -- | /O(n)/ Monadic fold over non-empty vectors with strict accumulator -- that discards the result fold1M'_ :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m ()@@ -1245,7 +1297,7 @@ -- > yi = f y(i-1) x(i-1) -- -- Example: @scanl (+) 0 \<1,2,3,4\> = \<0,1,3,6,10\>@--- +-- scanl :: (Unbox a, Unbox b) => (a -> b -> a) -> a -> Vector b -> Vector a {-# INLINE scanl #-} scanl = G.scanl@@ -1369,7 +1421,7 @@ :: (Unbox a, PrimMonad m) => MVector (PrimState m) a -> Vector a -> m () {-# INLINE unsafeCopy #-} unsafeCopy = G.unsafeCopy- + -- | /O(n)/ Copy an immutable vector into a mutable one. The two vectors must -- have the same length. copy :: (Unbox a, PrimMonad m) => MVector (PrimState m) a -> Vector a -> m ()
Data/Vector/Unboxed/Base.hs view
@@ -1,4 +1,4 @@-{-# LANGUAGE BangPatterns, MultiParamTypeClasses, TypeFamilies, FlexibleContexts #-}+{-# LANGUAGE BangPatterns, CPP, MultiParamTypeClasses, TypeFamilies, FlexibleContexts #-} #if __GLASGOW_HASKELL__ >= 707 {-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-} #endif@@ -48,6 +48,8 @@ import Data.Data ( Data(..) ) +-- Data.Vector.Internal.Check is unused+#define NOT_VECTOR_MODULE #include "vector.h" data family MVector s a@@ -104,6 +106,7 @@ {-# INLINE basicUnsafeSlice #-} {-# INLINE basicOverlaps #-} {-# INLINE basicUnsafeNew #-}+ {-# INLINE basicInitialize #-} {-# INLINE basicUnsafeRead #-} {-# INLINE basicUnsafeWrite #-} {-# INLINE basicClear #-}@@ -113,12 +116,15 @@ basicLength (MV_Unit n) = n - basicUnsafeSlice i m (MV_Unit n) = MV_Unit m+ basicUnsafeSlice _ m (MV_Unit _) = MV_Unit m basicOverlaps _ _ = False basicUnsafeNew n = return (MV_Unit n) + -- Nothing to initialize+ basicInitialize _ = return ()+ basicUnsafeRead (MV_Unit _) _ = return () basicUnsafeWrite (MV_Unit _) _ () = return ()@@ -142,10 +148,10 @@ basicLength (V_Unit n) = n {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i m (V_Unit n) = V_Unit m+ basicUnsafeSlice _ m (V_Unit _) = V_Unit m {-# INLINE basicUnsafeIndexM #-}- basicUnsafeIndexM (V_Unit _) i = return ()+ basicUnsafeIndexM (V_Unit _) _ = return () {-# INLINE basicUnsafeCopy #-} basicUnsafeCopy (MV_Unit _) (V_Unit _) = return ()@@ -164,6 +170,7 @@ ; {-# INLINE basicUnsafeSlice #-} \ ; {-# INLINE basicOverlaps #-} \ ; {-# INLINE basicUnsafeNew #-} \+; {-# INLINE basicInitialize #-} \ ; {-# INLINE basicUnsafeReplicate #-} \ ; {-# INLINE basicUnsafeRead #-} \ ; {-# INLINE basicUnsafeWrite #-} \@@ -175,6 +182,7 @@ ; basicUnsafeSlice i n (con v) = con $ M.basicUnsafeSlice i n v \ ; basicOverlaps (con v1) (con v2) = M.basicOverlaps v1 v2 \ ; basicUnsafeNew n = con `liftM` M.basicUnsafeNew n \+; basicInitialize (con v) = M.basicInitialize v \ ; basicUnsafeReplicate n x = con `liftM` M.basicUnsafeReplicate n x \ ; basicUnsafeRead (con v) i = M.basicUnsafeRead v i \ ; basicUnsafeWrite (con v) i x = M.basicUnsafeWrite v i x \@@ -305,6 +313,7 @@ {-# INLINE basicUnsafeSlice #-} {-# INLINE basicOverlaps #-} {-# INLINE basicUnsafeNew #-}+ {-# INLINE basicInitialize #-} {-# INLINE basicUnsafeReplicate #-} {-# INLINE basicUnsafeRead #-} {-# INLINE basicUnsafeWrite #-}@@ -316,6 +325,7 @@ basicUnsafeSlice i n (MV_Bool v) = MV_Bool $ M.basicUnsafeSlice i n v basicOverlaps (MV_Bool v1) (MV_Bool v2) = M.basicOverlaps v1 v2 basicUnsafeNew n = MV_Bool `liftM` M.basicUnsafeNew n+ basicInitialize (MV_Bool v) = M.basicInitialize v basicUnsafeReplicate n x = MV_Bool `liftM` M.basicUnsafeReplicate n (fromBool x) basicUnsafeRead (MV_Bool v) i = toBool `liftM` M.basicUnsafeRead v i basicUnsafeWrite (MV_Bool v) i x = M.basicUnsafeWrite v i (fromBool x)@@ -354,6 +364,7 @@ {-# INLINE basicUnsafeSlice #-} {-# INLINE basicOverlaps #-} {-# INLINE basicUnsafeNew #-}+ {-# INLINE basicInitialize #-} {-# INLINE basicUnsafeReplicate #-} {-# INLINE basicUnsafeRead #-} {-# INLINE basicUnsafeWrite #-}@@ -365,6 +376,7 @@ basicUnsafeSlice i n (MV_Complex v) = MV_Complex $ M.basicUnsafeSlice i n v basicOverlaps (MV_Complex v1) (MV_Complex v2) = M.basicOverlaps v1 v2 basicUnsafeNew n = MV_Complex `liftM` M.basicUnsafeNew n+ basicInitialize (MV_Complex v) = M.basicInitialize v basicUnsafeReplicate n (x :+ y) = MV_Complex `liftM` M.basicUnsafeReplicate n (x,y) basicUnsafeRead (MV_Complex v) i = uncurry (:+) `liftM` M.basicUnsafeRead v i basicUnsafeWrite (MV_Complex v) i (x :+ y) = M.basicUnsafeWrite v i (x,y)
Data/Vector/Unboxed/Mutable.hs view
@@ -1,3 +1,5 @@+{-# LANGUAGE CPP #-}+ -- | -- Module : Data.Vector.Unboxed.Mutable -- Copyright : (c) Roman Leshchinskiy 2009-2010@@ -42,8 +44,8 @@ unzip, unzip3, unzip4, unzip5, unzip6, -- * Accessing individual elements- read, write, swap,- unsafeRead, unsafeWrite, unsafeSwap,+ read, write, modify, swap,+ unsafeRead, unsafeWrite, unsafeModify, unsafeSwap, -- * Modifying vectors @@ -60,6 +62,8 @@ take, drop, splitAt, init, tail, zip, zip3, unzip, unzip3 ) +-- don't import an unused Data.Vector.Internal.Check+#define NOT_VECTOR_MODULE #include "vector.h" -- Length information@@ -132,7 +136,7 @@ -- Overlapping -- ----------- --- Check whether two vectors overlap.+-- | Check whether two vectors overlap. overlaps :: Unbox a => MVector s a -> MVector s a -> Bool {-# INLINE overlaps #-} overlaps = G.overlaps@@ -173,7 +177,7 @@ -- | Grow a vector by the given number of elements. The number must be -- positive.-grow :: (PrimMonad m, Unbox a) +grow :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> Int -> m (MVector (PrimState m) a) {-# INLINE grow #-} grow = G.grow@@ -189,7 +193,7 @@ -- ------------------------ -- | Reset all elements of the vector to some undefined value, clearing all--- references to external objects. This is usually a noop for unboxed vectors. +-- references to external objects. This is usually a noop for unboxed vectors. clear :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> m () {-# INLINE clear #-} clear = G.clear@@ -207,6 +211,11 @@ {-# INLINE write #-} write = G.write +-- | Modify the element at the given position.+modify :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE modify #-}+modify = G.modify+ -- | Swap the elements at the given positions. swap :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> Int -> Int -> m () {-# INLINE swap #-}@@ -224,6 +233,11 @@ {-# INLINE unsafeWrite #-} unsafeWrite = G.unsafeWrite +-- | Modify the element at the given position. No bounds checks are performed.+unsafeModify :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> (a -> a) -> Int -> m ()+{-# INLINE unsafeModify #-}+unsafeModify = G.unsafeModify+ -- | Swap the elements at the given positions. No bounds checks are performed. unsafeSwap :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> Int -> Int -> m ()@@ -240,7 +254,7 @@ -- | Copy a vector. The two vectors must have the same length and may not -- overlap.-copy :: (PrimMonad m, Unbox a) +copy :: (PrimMonad m, Unbox a) => MVector (PrimState m) a -> MVector (PrimState m) a -> m () {-# INLINE copy #-} copy = G.copy@@ -256,7 +270,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length.--- +-- -- If the vectors do not overlap, then this is equivalent to 'copy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied@@ -268,7 +282,7 @@ -- | Move the contents of a vector. The two vectors must have the same -- length, but this is not checked.--- +-- -- If the vectors do not overlap, then this is equivalent to 'unsafeCopy'. -- Otherwise, the copying is performed as if the source vector were -- copied to a temporary vector and then the temporary vector was copied
README.md view
@@ -1,4 +1,6 @@-# The vector package+The `vector` package [](https://travis-ci.org/haskell/vector)+==================== -An efficient implementation of Int-indexed arrays (both mutable and-immutable), with a powerful loop optimisation framework.+An efficient implementation of Int-indexed arrays (both mutable and immutable), with a powerful loop optimisation framework.++See [`vector` on Hackage](http://hackage.haskell.org/package/vector) for more information.
benchmarks/vector-benchmarks.cabal view
@@ -1,5 +1,5 @@ Name: vector-benchmarks-Version: 0.10.0.1+Version: 0.10.9 License: BSD3 License-File: LICENSE Author: Roman Leshchinskiy <rl@cse.unsw.edu.au>@@ -14,7 +14,7 @@ Build-Depends: base >= 2 && < 5, array, criterion >= 0.5 && < 0.7, mwc-random >= 0.5 && < 0.13,- vector == 0.10.0.1+ vector == 0.10.9 if impl(ghc<6.13) Ghc-Options: -finline-if-enough-args -fno-method-sharing
changelog view
@@ -1,3 +1,13 @@+Changes in version 0.11.0.0++ * Define `Applicative` instances for `Data.Vector.Fusion.Util.{Box,Id}`+ * Define non-bottom `fail` for `instance Monad Vector`+ * New generalized stream fusion framework+ * Various safety fixes+ - Various overflows due to vector size have been eliminated+ - Memory is initialized on creation of unboxed vectors+ * Changes to SPEC usage to allow building under more conditions+ Changes in version 0.10.12.3 * Allow building with `primtive-0.6`
include/vector.h view
@@ -1,8 +1,8 @@-#define PHASE_STREAM [1]-#define PHASE_INNER [0]+#define PHASE_FUSED [1]+#define PHASE_INNER [0] -#define INLINE_STREAM INLINE PHASE_STREAM-#define INLINE_INNER INLINE PHASE_INNER+#define INLINE_FUSED INLINE PHASE_FUSED+#define INLINE_INNER INLINE PHASE_INNER #ifndef NOT_VECTOR_MODULE import qualified Data.Vector.Internal.Check as Ck@@ -16,4 +16,6 @@ #define UNSAFE_CHECK(f) (CHECK(f) Ck.Unsafe) #define INTERNAL_CHECK(f) (CHECK(f) Ck.Internal) +#define PHASE_STREAM Please use "PHASE_FUSED" instead+#define INLINE_STREAM Please use "INLINE_FUSED" instead
internal/GenUnboxTuple.hs view
@@ -59,7 +59,7 @@ <+> sep (punctuate (text " ->") [text ty <+> v | v <- vars]) <+> text "->" <+> text ty <+> tuple vars- ,text "{-# INLINE_STREAM" <+> name <+> text "#-}"+ ,text "{-# INLINE_FUSED" <+> name <+> text "#-}" ,name <+> sep varss <+> text "=" <+> con c@@ -84,7 +84,7 @@ 2 $ text "G.stream" <+> parens (name "zip" <+> sep varss) <+> char '='- <+> text "Stream." <> name "zipWith" <+> tuple (replicate n empty)+ <+> text "Bundle." <> name "zipWith" <+> tuple (replicate n empty) <+> sep [parens $ text "G.stream" <+> vs | vs <- varss] $$ text "#-}" where
internal/unbox-tuple-instances view
@@ -8,13 +8,13 @@ instance (Unbox a, Unbox b) => Unbox (a, b) instance (Unbox a, Unbox b) => M.MVector MVector (a, b) where {-# INLINE basicLength #-}- basicLength (MV_2 n_ as bs) = n_+ basicLength (MV_2 n_ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (MV_2 n_ as bs)+ basicUnsafeSlice i_ m_ (MV_2 _ as bs) = MV_2 m_ (M.basicUnsafeSlice i_ m_ as) (M.basicUnsafeSlice i_ m_ bs) {-# INLINE basicOverlaps #-}- basicOverlaps (MV_2 n_1 as1 bs1) (MV_2 n_2 as2 bs2)+ basicOverlaps (MV_2 _ as1 bs1) (MV_2 _ as2 bs2) = M.basicOverlaps as1 as2 || M.basicOverlaps bs1 bs2 {-# INLINE basicUnsafeNew #-}@@ -23,6 +23,11 @@ as <- M.basicUnsafeNew n_ bs <- M.basicUnsafeNew n_ return $ MV_2 n_ as bs+ {-# INLINE basicInitialize #-}+ basicInitialize (MV_2 _ as bs)+ = do+ M.basicInitialize as+ M.basicInitialize bs {-# INLINE basicUnsafeReplicate #-} basicUnsafeReplicate n_ (a, b) = do@@ -30,33 +35,33 @@ bs <- M.basicUnsafeReplicate n_ b return $ MV_2 n_ as bs {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MV_2 n_ as bs) i_+ basicUnsafeRead (MV_2 _ as bs) i_ = do a <- M.basicUnsafeRead as i_ b <- M.basicUnsafeRead bs i_ return (a, b) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MV_2 n_ as bs) i_ (a, b)+ basicUnsafeWrite (MV_2 _ as bs) i_ (a, b) = do M.basicUnsafeWrite as i_ a M.basicUnsafeWrite bs i_ b {-# INLINE basicClear #-}- basicClear (MV_2 n_ as bs)+ basicClear (MV_2 _ as bs) = do M.basicClear as M.basicClear bs {-# INLINE basicSet #-}- basicSet (MV_2 n_ as bs) (a, b)+ basicSet (MV_2 _ as bs) (a, b) = do M.basicSet as a M.basicSet bs b {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_2 n_1 as1 bs1) (MV_2 n_2 as2 bs2)+ basicUnsafeCopy (MV_2 _ as1 bs1) (MV_2 _ as2 bs2) = do M.basicUnsafeCopy as1 as2 M.basicUnsafeCopy bs1 bs2 {-# INLINE basicUnsafeMove #-}- basicUnsafeMove (MV_2 n_1 as1 bs1) (MV_2 n_2 as2 bs2)+ basicUnsafeMove (MV_2 _ as1 bs1) (MV_2 _ as2 bs2) = do M.basicUnsafeMove as1 as2 M.basicUnsafeMove bs1 bs2@@ -80,19 +85,19 @@ bs' <- G.basicUnsafeThaw bs return $ MV_2 n_ as' bs' {-# INLINE basicLength #-}- basicLength (V_2 n_ as bs) = n_+ basicLength (V_2 n_ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (V_2 n_ as bs)+ basicUnsafeSlice i_ m_ (V_2 _ as bs) = V_2 m_ (G.basicUnsafeSlice i_ m_ as) (G.basicUnsafeSlice i_ m_ bs) {-# INLINE basicUnsafeIndexM #-}- basicUnsafeIndexM (V_2 n_ as bs) i_+ basicUnsafeIndexM (V_2 _ as bs) i_ = do a <- G.basicUnsafeIndexM as i_ b <- G.basicUnsafeIndexM bs i_ return (a, b) {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_2 n_1 as1 bs1) (V_2 n_2 as2 bs2)+ basicUnsafeCopy (MV_2 _ as1 bs1) (V_2 _ as2 bs2) = do G.basicUnsafeCopy as1 as2 G.basicUnsafeCopy bs1 bs2@@ -105,30 +110,30 @@ -- | /O(1)/ Zip 2 vectors zip :: (Unbox a, Unbox b) => MVector s a -> MVector s b -> MVector s (a, b)-{-# INLINE_STREAM zip #-}+{-# INLINE_FUSED zip #-} zip as bs = MV_2 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) where len = length as `delayed_min` length bs -- | /O(1)/ Unzip 2 vectors unzip :: (Unbox a, Unbox b) => MVector s (a, b) -> (MVector s a, MVector s b) {-# INLINE unzip #-}-unzip (MV_2 n_ as bs) = (as, bs)+unzip (MV_2 _ as bs) = (as, bs) #endif #ifdef DEFINE_IMMUTABLE -- | /O(1)/ Zip 2 vectors zip :: (Unbox a, Unbox b) => Vector a -> Vector b -> Vector (a, b)-{-# INLINE_STREAM zip #-}+{-# INLINE_FUSED zip #-} zip as bs = V_2 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) where len = length as `delayed_min` length bs {-# RULES "stream/zip [Vector.Unboxed]" forall as bs .- G.stream (zip as bs) = Stream.zipWith (,) (G.stream as)- (G.stream bs)- #-}+ G.stream (zip as bs) = Bundle.zipWith (,) (G.stream as)+ (G.stream bs) #-}+ -- | /O(1)/ Unzip 2 vectors unzip :: (Unbox a, Unbox b) => Vector (a, b) -> (Vector a, Vector b) {-# INLINE unzip #-}-unzip (V_2 n_ as bs) = (as, bs)+unzip (V_2 _ as bs) = (as, bs) #endif #ifdef DEFINE_INSTANCES data instance MVector s (a, b, c)@@ -144,14 +149,14 @@ Unbox b, Unbox c) => M.MVector MVector (a, b, c) where {-# INLINE basicLength #-}- basicLength (MV_3 n_ as bs cs) = n_+ basicLength (MV_3 n_ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (MV_3 n_ as bs cs)+ basicUnsafeSlice i_ m_ (MV_3 _ as bs cs) = MV_3 m_ (M.basicUnsafeSlice i_ m_ as) (M.basicUnsafeSlice i_ m_ bs) (M.basicUnsafeSlice i_ m_ cs) {-# INLINE basicOverlaps #-}- basicOverlaps (MV_3 n_1 as1 bs1 cs1) (MV_3 n_2 as2 bs2 cs2)+ basicOverlaps (MV_3 _ as1 bs1 cs1) (MV_3 _ as2 bs2 cs2) = M.basicOverlaps as1 as2 || M.basicOverlaps bs1 bs2 || M.basicOverlaps cs1 cs2@@ -162,6 +167,12 @@ bs <- M.basicUnsafeNew n_ cs <- M.basicUnsafeNew n_ return $ MV_3 n_ as bs cs+ {-# INLINE basicInitialize #-}+ basicInitialize (MV_3 _ as bs cs)+ = do+ M.basicInitialize as+ M.basicInitialize bs+ M.basicInitialize cs {-# INLINE basicUnsafeReplicate #-} basicUnsafeReplicate n_ (a, b, c) = do@@ -170,38 +181,38 @@ cs <- M.basicUnsafeReplicate n_ c return $ MV_3 n_ as bs cs {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MV_3 n_ as bs cs) i_+ basicUnsafeRead (MV_3 _ as bs cs) i_ = do a <- M.basicUnsafeRead as i_ b <- M.basicUnsafeRead bs i_ c <- M.basicUnsafeRead cs i_ return (a, b, c) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MV_3 n_ as bs cs) i_ (a, b, c)+ basicUnsafeWrite (MV_3 _ as bs cs) i_ (a, b, c) = do M.basicUnsafeWrite as i_ a M.basicUnsafeWrite bs i_ b M.basicUnsafeWrite cs i_ c {-# INLINE basicClear #-}- basicClear (MV_3 n_ as bs cs)+ basicClear (MV_3 _ as bs cs) = do M.basicClear as M.basicClear bs M.basicClear cs {-# INLINE basicSet #-}- basicSet (MV_3 n_ as bs cs) (a, b, c)+ basicSet (MV_3 _ as bs cs) (a, b, c) = do M.basicSet as a M.basicSet bs b M.basicSet cs c {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_3 n_1 as1 bs1 cs1) (MV_3 n_2 as2 bs2 cs2)+ basicUnsafeCopy (MV_3 _ as1 bs1 cs1) (MV_3 _ as2 bs2 cs2) = do M.basicUnsafeCopy as1 as2 M.basicUnsafeCopy bs1 bs2 M.basicUnsafeCopy cs1 cs2 {-# INLINE basicUnsafeMove #-}- basicUnsafeMove (MV_3 n_1 as1 bs1 cs1) (MV_3 n_2 as2 bs2 cs2)+ basicUnsafeMove (MV_3 _ as1 bs1 cs1) (MV_3 _ as2 bs2 cs2) = do M.basicUnsafeMove as1 as2 M.basicUnsafeMove bs1 bs2@@ -231,21 +242,21 @@ cs' <- G.basicUnsafeThaw cs return $ MV_3 n_ as' bs' cs' {-# INLINE basicLength #-}- basicLength (V_3 n_ as bs cs) = n_+ basicLength (V_3 n_ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (V_3 n_ as bs cs)+ basicUnsafeSlice i_ m_ (V_3 _ as bs cs) = V_3 m_ (G.basicUnsafeSlice i_ m_ as) (G.basicUnsafeSlice i_ m_ bs) (G.basicUnsafeSlice i_ m_ cs) {-# INLINE basicUnsafeIndexM #-}- basicUnsafeIndexM (V_3 n_ as bs cs) i_+ basicUnsafeIndexM (V_3 _ as bs cs) i_ = do a <- G.basicUnsafeIndexM as i_ b <- G.basicUnsafeIndexM bs i_ c <- G.basicUnsafeIndexM cs i_ return (a, b, c) {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_3 n_1 as1 bs1 cs1) (V_3 n_2 as2 bs2 cs2)+ basicUnsafeCopy (MV_3 _ as1 bs1 cs1) (V_3 _ as2 bs2 cs2) = do G.basicUnsafeCopy as1 as2 G.basicUnsafeCopy bs1 bs2@@ -261,7 +272,7 @@ zip3 :: (Unbox a, Unbox b, Unbox c) => MVector s a -> MVector s b -> MVector s c -> MVector s (a, b, c)-{-# INLINE_STREAM zip3 #-}+{-# INLINE_FUSED zip3 #-} zip3 as bs cs = MV_3 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -274,30 +285,30 @@ MVector s b, MVector s c) {-# INLINE unzip3 #-}-unzip3 (MV_3 n_ as bs cs) = (as, bs, cs)+unzip3 (MV_3 _ as bs cs) = (as, bs, cs) #endif #ifdef DEFINE_IMMUTABLE -- | /O(1)/ Zip 3 vectors zip3 :: (Unbox a, Unbox b, Unbox c) => Vector a -> Vector b -> Vector c -> Vector (a, b, c)-{-# INLINE_STREAM zip3 #-}+{-# INLINE_FUSED zip3 #-} zip3 as bs cs = V_3 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs) where len = length as `delayed_min` length bs `delayed_min` length cs {-# RULES "stream/zip3 [Vector.Unboxed]" forall as bs cs .- G.stream (zip3 as bs cs) = Stream.zipWith3 (, ,) (G.stream as)+ G.stream (zip3 as bs cs) = Bundle.zipWith3 (, ,) (G.stream as) (G.stream bs)- (G.stream cs)- #-}+ (G.stream cs) #-}+ -- | /O(1)/ Unzip 3 vectors unzip3 :: (Unbox a, Unbox b, Unbox c) => Vector (a, b, c) -> (Vector a, Vector b, Vector c) {-# INLINE unzip3 #-}-unzip3 (V_3 n_ as bs cs) = (as, bs, cs)+unzip3 (V_3 _ as bs cs) = (as, bs, cs) #endif #ifdef DEFINE_INSTANCES data instance MVector s (a, b, c, d)@@ -316,15 +327,15 @@ Unbox c, Unbox d) => M.MVector MVector (a, b, c, d) where {-# INLINE basicLength #-}- basicLength (MV_4 n_ as bs cs ds) = n_+ basicLength (MV_4 n_ _ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (MV_4 n_ as bs cs ds)+ basicUnsafeSlice i_ m_ (MV_4 _ as bs cs ds) = MV_4 m_ (M.basicUnsafeSlice i_ m_ as) (M.basicUnsafeSlice i_ m_ bs) (M.basicUnsafeSlice i_ m_ cs) (M.basicUnsafeSlice i_ m_ ds) {-# INLINE basicOverlaps #-}- basicOverlaps (MV_4 n_1 as1 bs1 cs1 ds1) (MV_4 n_2 as2 bs2 cs2 ds2)+ basicOverlaps (MV_4 _ as1 bs1 cs1 ds1) (MV_4 _ as2 bs2 cs2 ds2) = M.basicOverlaps as1 as2 || M.basicOverlaps bs1 bs2 || M.basicOverlaps cs1 cs2@@ -337,6 +348,13 @@ cs <- M.basicUnsafeNew n_ ds <- M.basicUnsafeNew n_ return $ MV_4 n_ as bs cs ds+ {-# INLINE basicInitialize #-}+ basicInitialize (MV_4 _ as bs cs ds)+ = do+ M.basicInitialize as+ M.basicInitialize bs+ M.basicInitialize cs+ M.basicInitialize ds {-# INLINE basicUnsafeReplicate #-} basicUnsafeReplicate n_ (a, b, c, d) = do@@ -346,7 +364,7 @@ ds <- M.basicUnsafeReplicate n_ d return $ MV_4 n_ as bs cs ds {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MV_4 n_ as bs cs ds) i_+ basicUnsafeRead (MV_4 _ as bs cs ds) i_ = do a <- M.basicUnsafeRead as i_ b <- M.basicUnsafeRead bs i_@@ -354,41 +372,41 @@ d <- M.basicUnsafeRead ds i_ return (a, b, c, d) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MV_4 n_ as bs cs ds) i_ (a, b, c, d)+ basicUnsafeWrite (MV_4 _ as bs cs ds) i_ (a, b, c, d) = do M.basicUnsafeWrite as i_ a M.basicUnsafeWrite bs i_ b M.basicUnsafeWrite cs i_ c M.basicUnsafeWrite ds i_ d {-# INLINE basicClear #-}- basicClear (MV_4 n_ as bs cs ds)+ basicClear (MV_4 _ as bs cs ds) = do M.basicClear as M.basicClear bs M.basicClear cs M.basicClear ds {-# INLINE basicSet #-}- basicSet (MV_4 n_ as bs cs ds) (a, b, c, d)+ basicSet (MV_4 _ as bs cs ds) (a, b, c, d) = do M.basicSet as a M.basicSet bs b M.basicSet cs c M.basicSet ds d {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_4 n_1 as1 bs1 cs1 ds1) (MV_4 n_2 as2- bs2- cs2- ds2)+ basicUnsafeCopy (MV_4 _ as1 bs1 cs1 ds1) (MV_4 _ as2+ bs2+ cs2+ ds2) = do M.basicUnsafeCopy as1 as2 M.basicUnsafeCopy bs1 bs2 M.basicUnsafeCopy cs1 cs2 M.basicUnsafeCopy ds1 ds2 {-# INLINE basicUnsafeMove #-}- basicUnsafeMove (MV_4 n_1 as1 bs1 cs1 ds1) (MV_4 n_2 as2- bs2- cs2- ds2)+ basicUnsafeMove (MV_4 _ as1 bs1 cs1 ds1) (MV_4 _ as2+ bs2+ cs2+ ds2) = do M.basicUnsafeMove as1 as2 M.basicUnsafeMove bs1 bs2@@ -423,15 +441,15 @@ ds' <- G.basicUnsafeThaw ds return $ MV_4 n_ as' bs' cs' ds' {-# INLINE basicLength #-}- basicLength (V_4 n_ as bs cs ds) = n_+ basicLength (V_4 n_ _ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (V_4 n_ as bs cs ds)+ basicUnsafeSlice i_ m_ (V_4 _ as bs cs ds) = V_4 m_ (G.basicUnsafeSlice i_ m_ as) (G.basicUnsafeSlice i_ m_ bs) (G.basicUnsafeSlice i_ m_ cs) (G.basicUnsafeSlice i_ m_ ds) {-# INLINE basicUnsafeIndexM #-}- basicUnsafeIndexM (V_4 n_ as bs cs ds) i_+ basicUnsafeIndexM (V_4 _ as bs cs ds) i_ = do a <- G.basicUnsafeIndexM as i_ b <- G.basicUnsafeIndexM bs i_@@ -439,10 +457,10 @@ d <- G.basicUnsafeIndexM ds i_ return (a, b, c, d) {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_4 n_1 as1 bs1 cs1 ds1) (V_4 n_2 as2- bs2- cs2- ds2)+ basicUnsafeCopy (MV_4 _ as1 bs1 cs1 ds1) (V_4 _ as2+ bs2+ cs2+ ds2) = do G.basicUnsafeCopy as1 as2 G.basicUnsafeCopy bs1 bs2@@ -461,7 +479,7 @@ MVector s b -> MVector s c -> MVector s d -> MVector s (a, b, c, d)-{-# INLINE_STREAM zip4 #-}+{-# INLINE_FUSED zip4 #-} zip4 as bs cs ds = MV_4 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -480,7 +498,7 @@ MVector s c, MVector s d) {-# INLINE unzip4 #-}-unzip4 (MV_4 n_ as bs cs ds) = (as, bs, cs, ds)+unzip4 (MV_4 _ as bs cs ds) = (as, bs, cs, ds) #endif #ifdef DEFINE_IMMUTABLE -- | /O(1)/ Zip 4 vectors@@ -488,7 +506,7 @@ Vector b -> Vector c -> Vector d -> Vector (a, b, c, d)-{-# INLINE_STREAM zip4 #-}+{-# INLINE_FUSED zip4 #-} zip4 as bs cs ds = V_4 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -499,11 +517,11 @@ length cs `delayed_min` length ds {-# RULES "stream/zip4 [Vector.Unboxed]" forall as bs cs ds .- G.stream (zip4 as bs cs ds) = Stream.zipWith4 (, , ,) (G.stream as)+ G.stream (zip4 as bs cs ds) = Bundle.zipWith4 (, , ,) (G.stream as) (G.stream bs) (G.stream cs)- (G.stream ds)- #-}+ (G.stream ds) #-}+ -- | /O(1)/ Unzip 4 vectors unzip4 :: (Unbox a, Unbox b,@@ -513,7 +531,7 @@ Vector c, Vector d) {-# INLINE unzip4 #-}-unzip4 (V_4 n_ as bs cs ds) = (as, bs, cs, ds)+unzip4 (V_4 _ as bs cs ds) = (as, bs, cs, ds) #endif #ifdef DEFINE_INSTANCES data instance MVector s (a, b, c, d, e)@@ -539,20 +557,20 @@ Unbox d, Unbox e) => M.MVector MVector (a, b, c, d, e) where {-# INLINE basicLength #-}- basicLength (MV_5 n_ as bs cs ds es) = n_+ basicLength (MV_5 n_ _ _ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (MV_5 n_ as bs cs ds es)+ basicUnsafeSlice i_ m_ (MV_5 _ as bs cs ds es) = MV_5 m_ (M.basicUnsafeSlice i_ m_ as) (M.basicUnsafeSlice i_ m_ bs) (M.basicUnsafeSlice i_ m_ cs) (M.basicUnsafeSlice i_ m_ ds) (M.basicUnsafeSlice i_ m_ es) {-# INLINE basicOverlaps #-}- basicOverlaps (MV_5 n_1 as1 bs1 cs1 ds1 es1) (MV_5 n_2 as2- bs2- cs2- ds2- es2)+ basicOverlaps (MV_5 _ as1 bs1 cs1 ds1 es1) (MV_5 _ as2+ bs2+ cs2+ ds2+ es2) = M.basicOverlaps as1 as2 || M.basicOverlaps bs1 bs2 || M.basicOverlaps cs1 cs2@@ -567,6 +585,14 @@ ds <- M.basicUnsafeNew n_ es <- M.basicUnsafeNew n_ return $ MV_5 n_ as bs cs ds es+ {-# INLINE basicInitialize #-}+ basicInitialize (MV_5 _ as bs cs ds es)+ = do+ M.basicInitialize as+ M.basicInitialize bs+ M.basicInitialize cs+ M.basicInitialize ds+ M.basicInitialize es {-# INLINE basicUnsafeReplicate #-} basicUnsafeReplicate n_ (a, b, c, d, e) = do@@ -577,7 +603,7 @@ es <- M.basicUnsafeReplicate n_ e return $ MV_5 n_ as bs cs ds es {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MV_5 n_ as bs cs ds es) i_+ basicUnsafeRead (MV_5 _ as bs cs ds es) i_ = do a <- M.basicUnsafeRead as i_ b <- M.basicUnsafeRead bs i_@@ -586,7 +612,7 @@ e <- M.basicUnsafeRead es i_ return (a, b, c, d, e) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MV_5 n_ as bs cs ds es) i_ (a, b, c, d, e)+ basicUnsafeWrite (MV_5 _ as bs cs ds es) i_ (a, b, c, d, e) = do M.basicUnsafeWrite as i_ a M.basicUnsafeWrite bs i_ b@@ -594,7 +620,7 @@ M.basicUnsafeWrite ds i_ d M.basicUnsafeWrite es i_ e {-# INLINE basicClear #-}- basicClear (MV_5 n_ as bs cs ds es)+ basicClear (MV_5 _ as bs cs ds es) = do M.basicClear as M.basicClear bs@@ -602,7 +628,7 @@ M.basicClear ds M.basicClear es {-# INLINE basicSet #-}- basicSet (MV_5 n_ as bs cs ds es) (a, b, c, d, e)+ basicSet (MV_5 _ as bs cs ds es) (a, b, c, d, e) = do M.basicSet as a M.basicSet bs b@@ -610,11 +636,11 @@ M.basicSet ds d M.basicSet es e {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_5 n_1 as1 bs1 cs1 ds1 es1) (MV_5 n_2 as2- bs2- cs2- ds2- es2)+ basicUnsafeCopy (MV_5 _ as1 bs1 cs1 ds1 es1) (MV_5 _ as2+ bs2+ cs2+ ds2+ es2) = do M.basicUnsafeCopy as1 as2 M.basicUnsafeCopy bs1 bs2@@ -622,11 +648,11 @@ M.basicUnsafeCopy ds1 ds2 M.basicUnsafeCopy es1 es2 {-# INLINE basicUnsafeMove #-}- basicUnsafeMove (MV_5 n_1 as1 bs1 cs1 ds1 es1) (MV_5 n_2 as2- bs2- cs2- ds2- es2)+ basicUnsafeMove (MV_5 _ as1 bs1 cs1 ds1 es1) (MV_5 _ as2+ bs2+ cs2+ ds2+ es2) = do M.basicUnsafeMove as1 as2 M.basicUnsafeMove bs1 bs2@@ -666,16 +692,16 @@ es' <- G.basicUnsafeThaw es return $ MV_5 n_ as' bs' cs' ds' es' {-# INLINE basicLength #-}- basicLength (V_5 n_ as bs cs ds es) = n_+ basicLength (V_5 n_ _ _ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (V_5 n_ as bs cs ds es)+ basicUnsafeSlice i_ m_ (V_5 _ as bs cs ds es) = V_5 m_ (G.basicUnsafeSlice i_ m_ as) (G.basicUnsafeSlice i_ m_ bs) (G.basicUnsafeSlice i_ m_ cs) (G.basicUnsafeSlice i_ m_ ds) (G.basicUnsafeSlice i_ m_ es) {-# INLINE basicUnsafeIndexM #-}- basicUnsafeIndexM (V_5 n_ as bs cs ds es) i_+ basicUnsafeIndexM (V_5 _ as bs cs ds es) i_ = do a <- G.basicUnsafeIndexM as i_ b <- G.basicUnsafeIndexM bs i_@@ -684,11 +710,11 @@ e <- G.basicUnsafeIndexM es i_ return (a, b, c, d, e) {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_5 n_1 as1 bs1 cs1 ds1 es1) (V_5 n_2 as2- bs2- cs2- ds2- es2)+ basicUnsafeCopy (MV_5 _ as1 bs1 cs1 ds1 es1) (V_5 _ as2+ bs2+ cs2+ ds2+ es2) = do G.basicUnsafeCopy as1 as2 G.basicUnsafeCopy bs1 bs2@@ -714,7 +740,7 @@ MVector s c -> MVector s d -> MVector s e -> MVector s (a, b, c, d, e)-{-# INLINE_STREAM zip5 #-}+{-# INLINE_FUSED zip5 #-} zip5 as bs cs ds es = MV_5 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -737,7 +763,7 @@ MVector s d, MVector s e) {-# INLINE unzip5 #-}-unzip5 (MV_5 n_ as bs cs ds es) = (as, bs, cs, ds, es)+unzip5 (MV_5 _ as bs cs ds es) = (as, bs, cs, ds, es) #endif #ifdef DEFINE_IMMUTABLE -- | /O(1)/ Zip 5 vectors@@ -750,7 +776,7 @@ Vector c -> Vector d -> Vector e -> Vector (a, b, c, d, e)-{-# INLINE_STREAM zip5 #-}+{-# INLINE_FUSED zip5 #-} zip5 as bs cs ds es = V_5 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -767,12 +793,12 @@ bs cs ds- es) = Stream.zipWith5 (, , , ,) (G.stream as)+ es) = Bundle.zipWith5 (, , , ,) (G.stream as) (G.stream bs) (G.stream cs) (G.stream ds)- (G.stream es)- #-}+ (G.stream es) #-}+ -- | /O(1)/ Unzip 5 vectors unzip5 :: (Unbox a, Unbox b,@@ -784,7 +810,7 @@ Vector d, Vector e) {-# INLINE unzip5 #-}-unzip5 (V_5 n_ as bs cs ds es) = (as, bs, cs, ds, es)+unzip5 (V_5 _ as bs cs ds es) = (as, bs, cs, ds, es) #endif #ifdef DEFINE_INSTANCES data instance MVector s (a, b, c, d, e, f)@@ -814,9 +840,9 @@ Unbox e, Unbox f) => M.MVector MVector (a, b, c, d, e, f) where {-# INLINE basicLength #-}- basicLength (MV_6 n_ as bs cs ds es fs) = n_+ basicLength (MV_6 n_ _ _ _ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (MV_6 n_ as bs cs ds es fs)+ basicUnsafeSlice i_ m_ (MV_6 _ as bs cs ds es fs) = MV_6 m_ (M.basicUnsafeSlice i_ m_ as) (M.basicUnsafeSlice i_ m_ bs) (M.basicUnsafeSlice i_ m_ cs)@@ -824,12 +850,12 @@ (M.basicUnsafeSlice i_ m_ es) (M.basicUnsafeSlice i_ m_ fs) {-# INLINE basicOverlaps #-}- basicOverlaps (MV_6 n_1 as1 bs1 cs1 ds1 es1 fs1) (MV_6 n_2 as2- bs2- cs2- ds2- es2- fs2)+ basicOverlaps (MV_6 _ as1 bs1 cs1 ds1 es1 fs1) (MV_6 _ as2+ bs2+ cs2+ ds2+ es2+ fs2) = M.basicOverlaps as1 as2 || M.basicOverlaps bs1 bs2 || M.basicOverlaps cs1 cs2@@ -846,6 +872,15 @@ es <- M.basicUnsafeNew n_ fs <- M.basicUnsafeNew n_ return $ MV_6 n_ as bs cs ds es fs+ {-# INLINE basicInitialize #-}+ basicInitialize (MV_6 _ as bs cs ds es fs)+ = do+ M.basicInitialize as+ M.basicInitialize bs+ M.basicInitialize cs+ M.basicInitialize ds+ M.basicInitialize es+ M.basicInitialize fs {-# INLINE basicUnsafeReplicate #-} basicUnsafeReplicate n_ (a, b, c, d, e, f) = do@@ -857,7 +892,7 @@ fs <- M.basicUnsafeReplicate n_ f return $ MV_6 n_ as bs cs ds es fs {-# INLINE basicUnsafeRead #-}- basicUnsafeRead (MV_6 n_ as bs cs ds es fs) i_+ basicUnsafeRead (MV_6 _ as bs cs ds es fs) i_ = do a <- M.basicUnsafeRead as i_ b <- M.basicUnsafeRead bs i_@@ -867,7 +902,7 @@ f <- M.basicUnsafeRead fs i_ return (a, b, c, d, e, f) {-# INLINE basicUnsafeWrite #-}- basicUnsafeWrite (MV_6 n_ as bs cs ds es fs) i_ (a, b, c, d, e, f)+ basicUnsafeWrite (MV_6 _ as bs cs ds es fs) i_ (a, b, c, d, e, f) = do M.basicUnsafeWrite as i_ a M.basicUnsafeWrite bs i_ b@@ -876,7 +911,7 @@ M.basicUnsafeWrite es i_ e M.basicUnsafeWrite fs i_ f {-# INLINE basicClear #-}- basicClear (MV_6 n_ as bs cs ds es fs)+ basicClear (MV_6 _ as bs cs ds es fs) = do M.basicClear as M.basicClear bs@@ -885,7 +920,7 @@ M.basicClear es M.basicClear fs {-# INLINE basicSet #-}- basicSet (MV_6 n_ as bs cs ds es fs) (a, b, c, d, e, f)+ basicSet (MV_6 _ as bs cs ds es fs) (a, b, c, d, e, f) = do M.basicSet as a M.basicSet bs b@@ -894,12 +929,12 @@ M.basicSet es e M.basicSet fs f {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_6 n_1 as1 bs1 cs1 ds1 es1 fs1) (MV_6 n_2 as2- bs2- cs2- ds2- es2- fs2)+ basicUnsafeCopy (MV_6 _ as1 bs1 cs1 ds1 es1 fs1) (MV_6 _ as2+ bs2+ cs2+ ds2+ es2+ fs2) = do M.basicUnsafeCopy as1 as2 M.basicUnsafeCopy bs1 bs2@@ -908,12 +943,12 @@ M.basicUnsafeCopy es1 es2 M.basicUnsafeCopy fs1 fs2 {-# INLINE basicUnsafeMove #-}- basicUnsafeMove (MV_6 n_1 as1 bs1 cs1 ds1 es1 fs1) (MV_6 n_2 as2- bs2- cs2- ds2- es2- fs2)+ basicUnsafeMove (MV_6 _ as1 bs1 cs1 ds1 es1 fs1) (MV_6 _ as2+ bs2+ cs2+ ds2+ es2+ fs2) = do M.basicUnsafeMove as1 as2 M.basicUnsafeMove bs1 bs2@@ -958,9 +993,9 @@ fs' <- G.basicUnsafeThaw fs return $ MV_6 n_ as' bs' cs' ds' es' fs' {-# INLINE basicLength #-}- basicLength (V_6 n_ as bs cs ds es fs) = n_+ basicLength (V_6 n_ _ _ _ _ _ _) = n_ {-# INLINE basicUnsafeSlice #-}- basicUnsafeSlice i_ m_ (V_6 n_ as bs cs ds es fs)+ basicUnsafeSlice i_ m_ (V_6 _ as bs cs ds es fs) = V_6 m_ (G.basicUnsafeSlice i_ m_ as) (G.basicUnsafeSlice i_ m_ bs) (G.basicUnsafeSlice i_ m_ cs)@@ -968,7 +1003,7 @@ (G.basicUnsafeSlice i_ m_ es) (G.basicUnsafeSlice i_ m_ fs) {-# INLINE basicUnsafeIndexM #-}- basicUnsafeIndexM (V_6 n_ as bs cs ds es fs) i_+ basicUnsafeIndexM (V_6 _ as bs cs ds es fs) i_ = do a <- G.basicUnsafeIndexM as i_ b <- G.basicUnsafeIndexM bs i_@@ -978,12 +1013,12 @@ f <- G.basicUnsafeIndexM fs i_ return (a, b, c, d, e, f) {-# INLINE basicUnsafeCopy #-}- basicUnsafeCopy (MV_6 n_1 as1 bs1 cs1 ds1 es1 fs1) (V_6 n_2 as2- bs2- cs2- ds2- es2- fs2)+ basicUnsafeCopy (MV_6 _ as1 bs1 cs1 ds1 es1 fs1) (V_6 _ as2+ bs2+ cs2+ ds2+ es2+ fs2) = do G.basicUnsafeCopy as1 as2 G.basicUnsafeCopy bs1 bs2@@ -1013,7 +1048,7 @@ MVector s d -> MVector s e -> MVector s f -> MVector s (a, b, c, d, e, f)-{-# INLINE_STREAM zip6 #-}+{-# INLINE_FUSED zip6 #-} zip6 as bs cs ds es fs = MV_6 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -1040,7 +1075,7 @@ MVector s e, MVector s f) {-# INLINE unzip6 #-}-unzip6 (MV_6 n_ as bs cs ds es fs) = (as, bs, cs, ds, es, fs)+unzip6 (MV_6 _ as bs cs ds es fs) = (as, bs, cs, ds, es, fs) #endif #ifdef DEFINE_IMMUTABLE -- | /O(1)/ Zip 6 vectors@@ -1055,7 +1090,7 @@ Vector d -> Vector e -> Vector f -> Vector (a, b, c, d, e, f)-{-# INLINE_STREAM zip6 #-}+{-# INLINE_FUSED zip6 #-} zip6 as bs cs ds es fs = V_6 len (unsafeSlice 0 len as) (unsafeSlice 0 len bs) (unsafeSlice 0 len cs)@@ -1075,13 +1110,13 @@ cs ds es- fs) = Stream.zipWith6 (, , , , ,) (G.stream as)+ fs) = Bundle.zipWith6 (, , , , ,) (G.stream as) (G.stream bs) (G.stream cs) (G.stream ds) (G.stream es)- (G.stream fs)- #-}+ (G.stream fs) #-}+ -- | /O(1)/ Unzip 6 vectors unzip6 :: (Unbox a, Unbox b,@@ -1095,5 +1130,5 @@ Vector e, Vector f) {-# INLINE unzip6 #-}-unzip6 (V_6 n_ as bs cs ds es fs) = (as, bs, cs, ds, es, fs)+unzip6 (V_6 _ as bs cs ds es fs) = (as, bs, cs, ds, es, fs) #endif
tests/Main.hs view
@@ -1,12 +1,12 @@ module Main (main) where import qualified Tests.Vector-import qualified Tests.Stream+import qualified Tests.Bundle import qualified Tests.Move import Test.Framework (defaultMain) -main = defaultMain $ Tests.Stream.tests+main = defaultMain $ Tests.Bundle.tests ++ Tests.Vector.tests ++ Tests.Move.tests
+ tests/Tests/Bundle.hs view
@@ -0,0 +1,163 @@+module Tests.Bundle ( tests ) where++import Boilerplater+import Utilities++import qualified Data.Vector.Fusion.Bundle as S++import Test.QuickCheck++import Test.Framework+import Test.Framework.Providers.QuickCheck2++import Text.Show.Functions ()+import Data.List (foldl', foldl1', unfoldr, find, findIndex)+import System.Random (Random)++#define COMMON_CONTEXT(a) \+ VANILLA_CONTEXT(a)++#define VANILLA_CONTEXT(a) \+ Eq a, Show a, Arbitrary a, CoArbitrary a, TestData a, Model a ~ a, EqTest a ~ Property++testSanity :: forall v a. (COMMON_CONTEXT(a)) => S.Bundle v a -> [Test]+testSanity _ = [+ testProperty "fromList.toList == id" prop_fromList_toList,+ testProperty "toList.fromList == id" prop_toList_fromList+ ]+ where+ prop_fromList_toList :: P (S.Bundle v a -> S.Bundle v a)+ = (S.fromList . S.toList) `eq` id+ prop_toList_fromList :: P ([a] -> [a])+ = (S.toList . (S.fromList :: [a] -> S.Bundle v a)) `eq` id++testPolymorphicFunctions :: forall v a. (COMMON_CONTEXT(a)) => S.Bundle v a -> [Test]+testPolymorphicFunctions _ = $(testProperties [+ 'prop_eq,++ 'prop_length, 'prop_null,++ 'prop_empty, 'prop_singleton, 'prop_replicate,+ 'prop_cons, 'prop_snoc, 'prop_append,++ 'prop_head, 'prop_last, 'prop_index,++ 'prop_extract, 'prop_init, 'prop_tail, 'prop_take, 'prop_drop,++ 'prop_map, 'prop_zipWith, 'prop_zipWith3,+ 'prop_filter, 'prop_takeWhile, 'prop_dropWhile,++ 'prop_elem, 'prop_notElem,+ 'prop_find, 'prop_findIndex,++ 'prop_foldl, 'prop_foldl1, 'prop_foldl', 'prop_foldl1',+ 'prop_foldr, 'prop_foldr1,++ 'prop_prescanl, 'prop_prescanl',+ 'prop_postscanl, 'prop_postscanl',+ 'prop_scanl, 'prop_scanl', 'prop_scanl1, 'prop_scanl1',++ 'prop_concatMap,+ 'prop_unfoldr+ ])+ where+ -- Prelude+ prop_eq :: P (S.Bundle v a -> S.Bundle v a -> Bool) = (==) `eq` (==)++ prop_length :: P (S.Bundle v a -> Int) = S.length `eq` length+ prop_null :: P (S.Bundle v a -> Bool) = S.null `eq` null+ prop_empty :: P (S.Bundle v a) = S.empty `eq` []+ prop_singleton :: P (a -> S.Bundle v a) = S.singleton `eq` singleton+ prop_replicate :: P (Int -> a -> S.Bundle v a)+ = (\n _ -> n < 1000) ===> S.replicate `eq` replicate+ prop_cons :: P (a -> S.Bundle v a -> S.Bundle v a) = S.cons `eq` (:)+ prop_snoc :: P (S.Bundle v a -> a -> S.Bundle v a) = S.snoc `eq` snoc+ prop_append :: P (S.Bundle v a -> S.Bundle v a -> S.Bundle v a) = (S.++) `eq` (++)++ prop_head :: P (S.Bundle v a -> a) = not . S.null ===> S.head `eq` head+ prop_last :: P (S.Bundle v a -> a) = not . S.null ===> S.last `eq` last+ prop_index = \xs ->+ not (S.null xs) ==>+ forAll (choose (0, S.length xs-1)) $ \i ->+ unP prop xs i+ where+ prop :: P (S.Bundle v a -> Int -> a) = (S.!!) `eq` (!!)++ prop_extract = \xs ->+ forAll (choose (0, S.length xs)) $ \i ->+ forAll (choose (0, S.length xs - i)) $ \n ->+ unP prop i n xs+ where+ prop :: P (Int -> Int -> S.Bundle v a -> S.Bundle v a) = S.slice `eq` slice++ prop_tail :: P (S.Bundle v a -> S.Bundle v a) = not . S.null ===> S.tail `eq` tail+ prop_init :: P (S.Bundle v a -> S.Bundle v a) = not . S.null ===> S.init `eq` init+ prop_take :: P (Int -> S.Bundle v a -> S.Bundle v a) = S.take `eq` take+ prop_drop :: P (Int -> S.Bundle v a -> S.Bundle v a) = S.drop `eq` drop++ prop_map :: P ((a -> a) -> S.Bundle v a -> S.Bundle v a) = S.map `eq` map+ prop_zipWith :: P ((a -> a -> a) -> S.Bundle v a -> S.Bundle v a -> S.Bundle v a) = S.zipWith `eq` zipWith+ prop_zipWith3 :: P ((a -> a -> a -> a) -> S.Bundle v a -> S.Bundle v a -> S.Bundle v a -> S.Bundle v a)+ = S.zipWith3 `eq` zipWith3++ prop_filter :: P ((a -> Bool) -> S.Bundle v a -> S.Bundle v a) = S.filter `eq` filter+ prop_takeWhile :: P ((a -> Bool) -> S.Bundle v a -> S.Bundle v a) = S.takeWhile `eq` takeWhile+ prop_dropWhile :: P ((a -> Bool) -> S.Bundle v a -> S.Bundle v a) = S.dropWhile `eq` dropWhile++ prop_elem :: P (a -> S.Bundle v a -> Bool) = S.elem `eq` elem+ prop_notElem :: P (a -> S.Bundle v a -> Bool) = S.notElem `eq` notElem+ prop_find :: P ((a -> Bool) -> S.Bundle v a -> Maybe a) = S.find `eq` find+ prop_findIndex :: P ((a -> Bool) -> S.Bundle v a -> Maybe Int)+ = S.findIndex `eq` findIndex++ prop_foldl :: P ((a -> a -> a) -> a -> S.Bundle v a -> a) = S.foldl `eq` foldl+ prop_foldl1 :: P ((a -> a -> a) -> S.Bundle v a -> a) = notNullS2 ===>+ S.foldl1 `eq` foldl1+ prop_foldl' :: P ((a -> a -> a) -> a -> S.Bundle v a -> a) = S.foldl' `eq` foldl'+ prop_foldl1' :: P ((a -> a -> a) -> S.Bundle v a -> a) = notNullS2 ===>+ S.foldl1' `eq` foldl1'+ prop_foldr :: P ((a -> a -> a) -> a -> S.Bundle v a -> a) = S.foldr `eq` foldr+ prop_foldr1 :: P ((a -> a -> a) -> S.Bundle v a -> a) = notNullS2 ===>+ S.foldr1 `eq` foldr1++ prop_prescanl :: P ((a -> a -> a) -> a -> S.Bundle v a -> S.Bundle v a)+ = S.prescanl `eq` prescanl+ prop_prescanl' :: P ((a -> a -> a) -> a -> S.Bundle v a -> S.Bundle v a)+ = S.prescanl' `eq` prescanl+ prop_postscanl :: P ((a -> a -> a) -> a -> S.Bundle v a -> S.Bundle v a)+ = S.postscanl `eq` postscanl+ prop_postscanl' :: P ((a -> a -> a) -> a -> S.Bundle v a -> S.Bundle v a)+ = S.postscanl' `eq` postscanl+ prop_scanl :: P ((a -> a -> a) -> a -> S.Bundle v a -> S.Bundle v a)+ = S.scanl `eq` scanl+ prop_scanl' :: P ((a -> a -> a) -> a -> S.Bundle v a -> S.Bundle v a)+ = S.scanl' `eq` scanl+ prop_scanl1 :: P ((a -> a -> a) -> S.Bundle v a -> S.Bundle v a) = notNullS2 ===>+ S.scanl1 `eq` scanl1+ prop_scanl1' :: P ((a -> a -> a) -> S.Bundle v a -> S.Bundle v a) = notNullS2 ===>+ S.scanl1' `eq` scanl1+ + prop_concatMap = forAll arbitrary $ \xs ->+ forAll (sized (\n -> resize (n `div` S.length xs) arbitrary)) $ \f -> unP prop f xs+ where+ prop :: P ((a -> S.Bundle v a) -> S.Bundle v a -> S.Bundle v a) = S.concatMap `eq` concatMap++ limitUnfolds f (theirs, ours) | ours >= 0+ , Just (out, theirs') <- f theirs = Just (out, (theirs', ours - 1))+ | otherwise = Nothing+ prop_unfoldr :: P (Int -> (Int -> Maybe (a,Int)) -> Int -> S.Bundle v a)+ = (\n f a -> S.unfoldr (limitUnfolds f) (a, n))+ `eq` (\n f a -> unfoldr (limitUnfolds f) (a, n))++testBoolFunctions :: forall v. S.Bundle v Bool -> [Test]+testBoolFunctions _ = $(testProperties ['prop_and, 'prop_or ])+ where+ prop_and :: P (S.Bundle v Bool -> Bool) = S.and `eq` and+ prop_or :: P (S.Bundle v Bool -> Bool) = S.or `eq` or++testBundleFunctions = testSanity (undefined :: S.Bundle v Int)+ ++ testPolymorphicFunctions (undefined :: S.Bundle v Int)+ ++ testBoolFunctions (undefined :: S.Bundle v Bool)++tests = [ testGroup "Data.Vector.Fusion.Bundle" testBundleFunctions ]+
tests/Tests/Move.hs view
@@ -4,7 +4,6 @@ import Test.Framework.Providers.QuickCheck2 import Test.QuickCheck.Property (Property(..)) - import Utilities () import qualified Data.Vector.Generic as G@@ -28,7 +27,6 @@ expected <- return $ basicMove v dstOff srcOff len actual <- return $ G.modify (\ mv -> M.move (M.slice dstOff len mv) (M.slice srcOff len mv)) v unProperty $ counterexample ("Move: " ++ show (v, dstOff, srcOff, len)) (expected == actual))- tests = [testProperty "Data.Vector.Mutable (Move)" (testMove :: V.Vector Int -> Property),
− tests/Tests/Stream.hs
@@ -1,163 +0,0 @@-module Tests.Stream ( tests ) where--import Boilerplater-import Utilities--import qualified Data.Vector.Fusion.Stream as S--import Test.QuickCheck--import Test.Framework-import Test.Framework.Providers.QuickCheck2--import Text.Show.Functions ()-import Data.List (foldl', foldl1', unfoldr, find, findIndex)-import System.Random (Random)--#define COMMON_CONTEXT(a) \- VANILLA_CONTEXT(a)--#define VANILLA_CONTEXT(a) \- Eq a, Show a, Arbitrary a, CoArbitrary a, TestData a, Model a ~ a, EqTest a ~ Property--testSanity :: forall a. (COMMON_CONTEXT(a)) => S.Stream a -> [Test]-testSanity _ = [- testProperty "fromList.toList == id" prop_fromList_toList,- testProperty "toList.fromList == id" prop_toList_fromList- ]- where- prop_fromList_toList :: P (S.Stream a -> S.Stream a)- = (S.fromList . S.toList) `eq` id- prop_toList_fromList :: P ([a] -> [a])- = (S.toList . (S.fromList :: [a] -> S.Stream a)) `eq` id--testPolymorphicFunctions :: forall a. (COMMON_CONTEXT(a)) => S.Stream a -> [Test]-testPolymorphicFunctions _ = $(testProperties [- 'prop_eq,-- 'prop_length, 'prop_null,-- 'prop_empty, 'prop_singleton, 'prop_replicate,- 'prop_cons, 'prop_snoc, 'prop_append,-- 'prop_head, 'prop_last, 'prop_index,-- 'prop_extract, 'prop_init, 'prop_tail, 'prop_take, 'prop_drop,-- 'prop_map, 'prop_zipWith, 'prop_zipWith3,- 'prop_filter, 'prop_takeWhile, 'prop_dropWhile,-- 'prop_elem, 'prop_notElem,- 'prop_find, 'prop_findIndex,-- 'prop_foldl, 'prop_foldl1, 'prop_foldl', 'prop_foldl1',- 'prop_foldr, 'prop_foldr1,-- 'prop_prescanl, 'prop_prescanl',- 'prop_postscanl, 'prop_postscanl',- 'prop_scanl, 'prop_scanl', 'prop_scanl1, 'prop_scanl1',-- 'prop_concatMap,- 'prop_unfoldr- ])- where- -- Prelude- prop_eq :: P (S.Stream a -> S.Stream a -> Bool) = (==) `eq` (==)-- prop_length :: P (S.Stream a -> Int) = S.length `eq` length- prop_null :: P (S.Stream a -> Bool) = S.null `eq` null- prop_empty :: P (S.Stream a) = S.empty `eq` []- prop_singleton :: P (a -> S.Stream a) = S.singleton `eq` singleton- prop_replicate :: P (Int -> a -> S.Stream a)- = (\n _ -> n < 1000) ===> S.replicate `eq` replicate- prop_cons :: P (a -> S.Stream a -> S.Stream a) = S.cons `eq` (:)- prop_snoc :: P (S.Stream a -> a -> S.Stream a) = S.snoc `eq` snoc- prop_append :: P (S.Stream a -> S.Stream a -> S.Stream a) = (S.++) `eq` (++)-- prop_head :: P (S.Stream a -> a) = not . S.null ===> S.head `eq` head- prop_last :: P (S.Stream a -> a) = not . S.null ===> S.last `eq` last- prop_index = \xs ->- not (S.null xs) ==>- forAll (choose (0, S.length xs-1)) $ \i ->- unP prop xs i- where- prop :: P (S.Stream a -> Int -> a) = (S.!!) `eq` (!!)-- prop_extract = \xs ->- forAll (choose (0, S.length xs)) $ \i ->- forAll (choose (0, S.length xs - i)) $ \n ->- unP prop i n xs- where- prop :: P (Int -> Int -> S.Stream a -> S.Stream a) = S.slice `eq` slice-- prop_tail :: P (S.Stream a -> S.Stream a) = not . S.null ===> S.tail `eq` tail- prop_init :: P (S.Stream a -> S.Stream a) = not . S.null ===> S.init `eq` init- prop_take :: P (Int -> S.Stream a -> S.Stream a) = S.take `eq` take- prop_drop :: P (Int -> S.Stream a -> S.Stream a) = S.drop `eq` drop-- prop_map :: P ((a -> a) -> S.Stream a -> S.Stream a) = S.map `eq` map- prop_zipWith :: P ((a -> a -> a) -> S.Stream a -> S.Stream a -> S.Stream a) = S.zipWith `eq` zipWith- prop_zipWith3 :: P ((a -> a -> a -> a) -> S.Stream a -> S.Stream a -> S.Stream a -> S.Stream a)- = S.zipWith3 `eq` zipWith3-- prop_filter :: P ((a -> Bool) -> S.Stream a -> S.Stream a) = S.filter `eq` filter- prop_takeWhile :: P ((a -> Bool) -> S.Stream a -> S.Stream a) = S.takeWhile `eq` takeWhile- prop_dropWhile :: P ((a -> Bool) -> S.Stream a -> S.Stream a) = S.dropWhile `eq` dropWhile-- prop_elem :: P (a -> S.Stream a -> Bool) = S.elem `eq` elem- prop_notElem :: P (a -> S.Stream a -> Bool) = S.notElem `eq` notElem- prop_find :: P ((a -> Bool) -> S.Stream a -> Maybe a) = S.find `eq` find- prop_findIndex :: P ((a -> Bool) -> S.Stream a -> Maybe Int)- = S.findIndex `eq` findIndex-- prop_foldl :: P ((a -> a -> a) -> a -> S.Stream a -> a) = S.foldl `eq` foldl- prop_foldl1 :: P ((a -> a -> a) -> S.Stream a -> a) = notNullS2 ===>- S.foldl1 `eq` foldl1- prop_foldl' :: P ((a -> a -> a) -> a -> S.Stream a -> a) = S.foldl' `eq` foldl'- prop_foldl1' :: P ((a -> a -> a) -> S.Stream a -> a) = notNullS2 ===>- S.foldl1' `eq` foldl1'- prop_foldr :: P ((a -> a -> a) -> a -> S.Stream a -> a) = S.foldr `eq` foldr- prop_foldr1 :: P ((a -> a -> a) -> S.Stream a -> a) = notNullS2 ===>- S.foldr1 `eq` foldr1-- prop_prescanl :: P ((a -> a -> a) -> a -> S.Stream a -> S.Stream a)- = S.prescanl `eq` prescanl- prop_prescanl' :: P ((a -> a -> a) -> a -> S.Stream a -> S.Stream a)- = S.prescanl' `eq` prescanl- prop_postscanl :: P ((a -> a -> a) -> a -> S.Stream a -> S.Stream a)- = S.postscanl `eq` postscanl- prop_postscanl' :: P ((a -> a -> a) -> a -> S.Stream a -> S.Stream a)- = S.postscanl' `eq` postscanl- prop_scanl :: P ((a -> a -> a) -> a -> S.Stream a -> S.Stream a)- = S.scanl `eq` scanl- prop_scanl' :: P ((a -> a -> a) -> a -> S.Stream a -> S.Stream a)- = S.scanl' `eq` scanl- prop_scanl1 :: P ((a -> a -> a) -> S.Stream a -> S.Stream a) = notNullS2 ===>- S.scanl1 `eq` scanl1- prop_scanl1' :: P ((a -> a -> a) -> S.Stream a -> S.Stream a) = notNullS2 ===>- S.scanl1' `eq` scanl1- - prop_concatMap = forAll arbitrary $ \xs ->- forAll (sized (\n -> resize (n `div` S.length xs) arbitrary)) $ \f -> unP prop f xs- where- prop :: P ((a -> S.Stream a) -> S.Stream a -> S.Stream a) = S.concatMap `eq` concatMap-- limitUnfolds f (theirs, ours) | ours >= 0- , Just (out, theirs') <- f theirs = Just (out, (theirs', ours - 1))- | otherwise = Nothing- prop_unfoldr :: P (Int -> (Int -> Maybe (a,Int)) -> Int -> S.Stream a)- = (\n f a -> S.unfoldr (limitUnfolds f) (a, n))- `eq` (\n f a -> unfoldr (limitUnfolds f) (a, n))--testBoolFunctions :: [Test]-testBoolFunctions = $(testProperties ['prop_and, 'prop_or])- where- prop_and :: P (S.Stream Bool -> Bool) = S.and `eq` and- prop_or :: P (S.Stream Bool -> Bool) = S.or `eq` or--testStreamFunctions = testSanity (undefined :: S.Stream Int)- ++ testPolymorphicFunctions (undefined :: S.Stream Int)- ++ testBoolFunctions--tests = [ testGroup "Data.Vector.Fusion.Stream" testStreamFunctions ]-
tests/Tests/Vector.hs view
@@ -8,7 +8,7 @@ import qualified Data.Vector.Primitive import qualified Data.Vector.Storable import qualified Data.Vector.Unboxed-import qualified Data.Vector.Fusion.Stream as S+import qualified Data.Vector.Fusion.Bundle as S import Test.QuickCheck @@ -21,6 +21,9 @@ import qualified Control.Applicative as Applicative import System.Random (Random) +import Data.Functor.Identity+import Control.Monad.Trans.Writer+ #define COMMON_CONTEXT(a, v) \ VANILLA_CONTEXT(a, v), VECTOR_CONTEXT(a, v) @@ -74,7 +77,7 @@ prop_fromList_toList (v :: v a) = (V.fromList . V.toList) v == v prop_toList_fromList (l :: [a]) = ((V.toList :: v a -> [a]) . V.fromList) l == l prop_unstream_stream (v :: v a) = (V.unstream . V.stream) v == v- prop_stream_unstream (s :: S.Stream a) = ((V.stream :: v a -> S.Stream a) . V.unstream) s == s+ prop_stream_unstream (s :: S.Bundle v a) = ((V.stream :: v a -> S.Bundle v a) . V.unstream) s == s testPolymorphicFunctions :: forall a v. (COMMON_CONTEXT(a, v), VECTOR_CONTEXT(Int, v)) => v a -> [Test] testPolymorphicFunctions _ = $(testProperties [@@ -140,10 +143,12 @@ -- Monadic mapping {- 'prop_mapM, 'prop_mapM_, 'prop_forM, 'prop_forM_, -}+ 'prop_imapM, 'prop_imapM_, -- Zipping 'prop_zipWith, 'prop_zipWith3, {- ... -} 'prop_izipWith, 'prop_izipWith3, {- ... -}+ 'prop_izipWithM, 'prop_izipWithM_, {- 'prop_zip, ... -} -- Monadic zipping@@ -169,6 +174,7 @@ 'prop_foldl, 'prop_foldl1, 'prop_foldl', 'prop_foldl1', 'prop_foldr, 'prop_foldr1, 'prop_foldr', 'prop_foldr1', 'prop_ifoldl, 'prop_ifoldl', 'prop_ifoldr, 'prop_ifoldr',+ 'prop_ifoldM, 'prop_ifoldM', 'prop_ifoldM_, 'prop_ifoldM'_, -- Specialised folds 'prop_all, 'prop_any,@@ -272,7 +278,15 @@ prop_zipWith3 :: P ((a -> a -> a -> a) -> v a -> v a -> v a -> v a) = V.zipWith3 `eq` zipWith3 prop_imap :: P ((Int -> a -> a) -> v a -> v a) = V.imap `eq` imap+ prop_imapM :: P ((Int -> a -> Identity a) -> v a -> Identity (v a))+ = V.imapM `eq` imapM+ prop_imapM_ :: P ((Int -> a -> Writer [a] ()) -> v a -> Writer [a] ())+ = V.imapM_ `eq` imapM_ prop_izipWith :: P ((Int -> a -> a -> a) -> v a -> v a -> v a) = V.izipWith `eq` izipWith+ prop_izipWithM :: P ((Int -> a -> a -> Identity a) -> v a -> v a -> Identity (v a))+ = V.izipWithM `eq` izipWithM+ prop_izipWithM_ :: P ((Int -> a -> a -> Writer [a] ()) -> v a -> v a -> Writer [a] ())+ = V.izipWithM_ `eq` izipWithM_ prop_izipWith3 :: P ((Int -> a -> a -> a -> a) -> v a -> v a -> v a -> v a) = V.izipWith3 `eq` izipWith3 @@ -315,6 +329,14 @@ = V.ifoldr `eq` ifoldr prop_ifoldr' :: P ((Int -> a -> a -> a) -> a -> v a -> a) = V.ifoldr' `eq` ifoldr+ prop_ifoldM :: P ((a -> Int -> a -> Identity a) -> a -> v a -> Identity a)+ = V.ifoldM `eq` ifoldM+ prop_ifoldM' :: P ((a -> Int -> a -> Identity a) -> a -> v a -> Identity a)+ = V.ifoldM' `eq` ifoldM+ prop_ifoldM_ :: P ((() -> Int -> a -> Writer [a] ()) -> () -> v a -> Writer [a] ())+ = V.ifoldM_ `eq` ifoldM_+ prop_ifoldM'_ :: P ((() -> Int -> a -> Writer [a] ()) -> () -> v a -> Writer [a] ())+ = V.ifoldM'_ `eq` ifoldM_ prop_all :: P ((a -> Bool) -> v a -> Bool) = V.all `eq` all prop_any :: P ((a -> Bool) -> v a -> Bool) = V.any `eq` any
tests/Utilities.hs view
@@ -8,13 +8,17 @@ import qualified Data.Vector.Primitive as DVP import qualified Data.Vector.Storable as DVS import qualified Data.Vector.Unboxed as DVU-import qualified Data.Vector.Fusion.Stream as S+import qualified Data.Vector.Fusion.Bundle as S +import Control.Monad (foldM, foldM_, zipWithM, zipWithM_)+import Control.Monad.Trans.Writer+import Data.Function (on)+import Data.Functor.Identity import Data.List ( sortBy )-+import Data.Monoid -instance Show a => Show (S.Stream a) where- show s = "Data.Vector.Fusion.Stream.fromList " ++ show (S.toList s)+instance Show a => Show (S.Bundle v a) where+ show s = "Data.Vector.Fusion.Bundle.fromList " ++ show (S.toList s) instance Arbitrary a => Arbitrary (DV.Vector a) where@@ -41,12 +45,24 @@ instance (CoArbitrary a, DVU.Unbox a) => CoArbitrary (DVU.Vector a) where coarbitrary = coarbitrary . DVU.toList -instance Arbitrary a => Arbitrary (S.Stream a) where+instance Arbitrary a => Arbitrary (S.Bundle v a) where arbitrary = fmap S.fromList arbitrary -instance CoArbitrary a => CoArbitrary (S.Stream a) where+instance CoArbitrary a => CoArbitrary (S.Bundle v a) where coarbitrary = coarbitrary . S.toList +instance Arbitrary a => Arbitrary (Identity a) where+ arbitrary = fmap Identity arbitrary++instance CoArbitrary a => CoArbitrary (Identity a) where+ coarbitrary = coarbitrary . runIdentity++instance Arbitrary a => Arbitrary (Writer a ()) where+ arbitrary = fmap (writer . ((,) ())) arbitrary++instance CoArbitrary a => CoArbitrary (Writer a ()) where+ coarbitrary = coarbitrary . runWriter+ class (Testable (EqTest a), Conclusion (EqTest a)) => TestData a where type Model a model :: a -> Model a@@ -55,12 +71,12 @@ type EqTest a equal :: a -> a -> EqTest a -instance Eq a => TestData (S.Stream a) where- type Model (S.Stream a) = [a]+instance Eq a => TestData (S.Bundle v a) where+ type Model (S.Bundle v a) = [a] model = S.toList unmodel = S.fromList - type EqTest (S.Stream a) = Property+ type EqTest (S.Bundle v a) = Property equal x y = property (x == y) instance Eq a => TestData (DV.Vector a) where@@ -129,6 +145,22 @@ type EqTest [a] = Property equal x y = property (x == y) +instance (Eq a, TestData a) => TestData (Identity a) where+ type Model (Identity a) = Identity (Model a)+ model = fmap model+ unmodel = fmap unmodel++ type EqTest (Identity a) = Property+ equal = (property .) . on (==) runIdentity++instance (Eq a, TestData a, Monoid a) => TestData (Writer a ()) where+ type Model (Writer a ()) = Writer (Model a) ()+ model = mapWriter model+ unmodel = mapWriter unmodel++ type EqTest (Writer a ()) = Property+ equal = (property .) . on (==) execWriter+ instance (Eq a, Eq b, TestData a, TestData b) => TestData (a,b) where type Model (a,b) = (Model a, Model b) model (a,b) = (model a, model b)@@ -233,23 +265,46 @@ go (x:xs) ps j = x : go xs ps (j+1) go [] _ _ = [] ++withIndexFirst m f = m (uncurry f) . zip [0..]+ imap :: (Int -> a -> a) -> [a] -> [a]-imap f = map (uncurry f) . zip [0..]+imap = withIndexFirst map +imapM :: Monad m => (Int -> a -> m a) -> [a] -> m [a]+imapM = withIndexFirst mapM++imapM_ :: Monad m => (Int -> a -> m b) -> [a] -> m ()+imapM_ = withIndexFirst mapM_+ izipWith :: (Int -> a -> a -> a) -> [a] -> [a] -> [a]-izipWith f = zipWith (uncurry f) . zip [0..]+izipWith = withIndexFirst zipWith +izipWithM :: Monad m => (Int -> a -> a -> m a) -> [a] -> [a] -> m [a]+izipWithM = withIndexFirst zipWithM++izipWithM_ :: Monad m => (Int -> a -> a -> m b) -> [a] -> [a] -> m ()+izipWithM_ = withIndexFirst zipWithM_+ izipWith3 :: (Int -> a -> a -> a -> a) -> [a] -> [a] -> [a] -> [a]-izipWith3 f = zipWith3 (uncurry f) . zip [0..]+izipWith3 = withIndexFirst zipWith3 ifilter :: (Int -> a -> Bool) -> [a] -> [a]-ifilter f = map snd . filter (uncurry f) . zip [0..]+ifilter f = map snd . withIndexFirst filter f +indexedLeftFold fld f z = fld (uncurry . f) z . zip [0..]+ ifoldl :: (a -> Int -> a -> a) -> a -> [a] -> a-ifoldl f z = foldl (uncurry . f) z . zip [0..]+ifoldl = indexedLeftFold foldl ifoldr :: (Int -> a -> b -> b) -> b -> [a] -> b ifoldr f z = foldr (uncurry f) z . zip [0..]++ifoldM :: Monad m => (a -> Int -> a -> m a) -> a -> [a] -> m a+ifoldM = indexedLeftFold foldM++ifoldM_ :: Monad m => (b -> Int -> a -> m b) -> b -> [a] -> m ()+ifoldM_ = indexedLeftFold foldM_ minIndex :: Ord a => [a] -> Int minIndex = fst . foldr1 imin . zip [0..]
vector.cabal view
@@ -1,10 +1,10 @@ Name: vector-Version: 0.10.12.3+Version: 0.11.0.0 -- don't forget to update the changelog file! License: BSD3 License-File: LICENSE Author: Roman Leshchinskiy <rl@cse.unsw.edu.au>-Maintainer: libraries@haskell.org+Maintainer: Haskell Libraries Team <libraries@haskell.org> Copyright: (c) Roman Leshchinskiy 2008-2012 Homepage: https://github.com/haskell/vector Bug-Reports: https://github.com/haskell/vector/issues@@ -34,7 +34,7 @@ . * <http://haskell.org/haskellwiki/Numeric_Haskell:_A_Vector_Tutorial> -Cabal-Version: >= 1.10+Cabal-Version: >=1.10 Build-Type: Simple Extra-Source-Files:@@ -45,7 +45,7 @@ tests/Boilerplater.hs tests/Utilities.hs tests/Tests/Move.hs- tests/Tests/Stream.hs+ tests/Tests/Bundle.hs tests/Tests/Vector.hs benchmarks/vector-benchmarks.cabal benchmarks/LICENSE@@ -86,15 +86,32 @@ Library Default-Language: Haskell2010- Default-Extensions: CPP, DeriveDataTypeable+ Other-Extensions:+ BangPatterns+ CPP+ DeriveDataTypeable+ ExistentialQuantification+ FlexibleContexts+ FlexibleInstances+ GADTs+ KindSignatures+ MagicHash+ MultiParamTypeClasses+ Rank2Types+ ScopedTypeVariables+ StandaloneDeriving+ TypeFamilies+ Exposed-Modules: Data.Vector.Internal.Check Data.Vector.Fusion.Util- Data.Vector.Fusion.Stream.Size Data.Vector.Fusion.Stream.Monadic- Data.Vector.Fusion.Stream+ Data.Vector.Fusion.Bundle.Size+ Data.Vector.Fusion.Bundle.Monadic+ Data.Vector.Fusion.Bundle + Data.Vector.Generic.Mutable.Base Data.Vector.Generic.Mutable Data.Vector.Generic.Base Data.Vector.Generic.New@@ -120,15 +137,12 @@ Install-Includes: vector.h - Build-Depends: base >= 4 && < 5+ Build-Depends: base >= 4.3 && < 4.9 , primitive >= 0.5.0.1 && < 0.7- , ghc-prim+ , ghc-prim >= 0.2 && < 0.5 , deepseq >= 1.1 && < 1.5 - if impl(ghc<6.13)- Ghc-Options: -finline-if-enough-args -fno-method-sharing-- Ghc-Options: -O2+ Ghc-Options: -O2 -Wall -fno-warn-orphans if flag(BoundsChecks) cpp-options: -DVECTOR_BOUNDS_CHECKS@@ -143,6 +157,8 @@ type: git location: https://github.com/haskell/vector.git ++ test-suite vector-tests-O0 Default-Language: Haskell2010 type: exitcode-stdio-1.0@@ -152,6 +168,7 @@ random, QuickCheck >= 2.7 && < 2.8 , test-framework, test-framework-quickcheck2, transformers >= 0.2.0.0+ default-extensions: CPP, ScopedTypeVariables, PatternGuards,@@ -161,6 +178,7 @@ TypeSynonymInstances, TypeFamilies, TemplateHaskell+ Ghc-Options: -O0 Ghc-Options: -Wall -fno-warn-orphans -fno-warn-missing-signatures @@ -173,6 +191,7 @@ random, QuickCheck >= 2.7, test-framework, test-framework-quickcheck2, transformers >= 0.2.0.0+ default-extensions: CPP, ScopedTypeVariables, PatternGuards,@@ -182,5 +201,6 @@ TypeSynonymInstances, TypeFamilies, TemplateHaskell+ Ghc-Options: -O2 Ghc-Options: -Wall -fno-warn-orphans -fno-warn-missing-signatures