vector-0.12.0.2: Efficient Arrays

Copyright(c) Roman Leshchinskiy 2009-2010
LicenseBSD-style
MaintainerRoman Leshchinskiy <rl@cse.unsw.edu.au>
Stabilityexperimental
Portabilitynon-portable
Safe HaskellNone
LanguageHaskell2010

Data.Vector.Unboxed

Contents

Description

Adaptive unboxed vectors. The implementation is based on type families and picks an efficient, specialised representation for every element type. In particular, unboxed vectors of pairs are represented as pairs of unboxed vectors.

Implementing unboxed vectors for new data types can be very easy. Here is how the library does this for Complex by simply wrapping vectors of pairs.

newtype instance MVector s (Complex a) = MV_Complex (MVector s (a,a))
newtype instance Vector    (Complex a) = V_Complex  (Vector    (a,a))

instance (RealFloat a, Unbox a) => MVector MVector (Complex a) where
  {-# INLINE basicLength #-}
  basicLength (MV_Complex v) = basicLength v
  ...

instance (RealFloat a, Unbox a) => Data.Vector.Generic.Vector Vector (Complex a) where
  {-# INLINE basicLength #-}
  basicLength (V_Complex v) = Data.Vector.Generic.basicLength v
  ...

instance (RealFloat a, Unbox a) => Unbox (Complex a)
Synopsis

Unboxed vectors

data family Vector a #

Instances
Vector Vector Bool # 
Instance details

Defined in Data.Vector.Unboxed.Base

Vector Vector Char # 
Instance details

Defined in Data.Vector.Unboxed.Base

Vector Vector Double # 
Instance details

Defined in Data.Vector.Unboxed.Base

Vector Vector Float # 
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Vector Vector Int # 
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Vector Vector Int8 # 
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Defined in Data.Vector.Unboxed.Base

Vector Vector Int16 # 
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Defined in Data.Vector.Unboxed.Base

Vector Vector Int32 # 
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Vector Vector Int64 # 
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Vector Vector Word # 
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Vector Vector Word8 # 
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Defined in Data.Vector.Unboxed.Base

Vector Vector Word16 # 
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Vector Vector Word32 # 
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Vector Vector Word64 # 
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Defined in Data.Vector.Unboxed.Base

Vector Vector () # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) () -> m (Vector ()) #

basicUnsafeThaw :: PrimMonad m => Vector () -> m (Mutable Vector (PrimState m) ()) #

basicLength :: Vector () -> Int #

basicUnsafeSlice :: Int -> Int -> Vector () -> Vector () #

basicUnsafeIndexM :: Monad m => Vector () -> Int -> m () #

basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) () -> Vector () -> m () #

elemseq :: Vector () -> () -> b -> b #

Unbox a => Vector Vector (Complex a) # 
Instance details

Defined in Data.Vector.Unboxed.Base

(Unbox a, Unbox b) => Vector Vector (a, b) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) (a, b) -> m (Vector (a, b)) #

basicUnsafeThaw :: PrimMonad m => Vector (a, b) -> m (Mutable Vector (PrimState m) (a, b)) #

basicLength :: Vector (a, b) -> Int #

basicUnsafeSlice :: Int -> Int -> Vector (a, b) -> Vector (a, b) #

basicUnsafeIndexM :: Monad m => Vector (a, b) -> Int -> m (a, b) #

basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) (a, b) -> Vector (a, b) -> m () #

elemseq :: Vector (a, b) -> (a, b) -> b0 -> b0 #

(Unbox a, Unbox b, Unbox c) => Vector Vector (a, b, c) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c) -> m (Vector (a, b, c)) #

basicUnsafeThaw :: PrimMonad m => Vector (a, b, c) -> m (Mutable Vector (PrimState m) (a, b, c)) #

basicLength :: Vector (a, b, c) -> Int #

basicUnsafeSlice :: Int -> Int -> Vector (a, b, c) -> Vector (a, b, c) #

basicUnsafeIndexM :: Monad m => Vector (a, b, c) -> Int -> m (a, b, c) #

basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c) -> Vector (a, b, c) -> m () #

elemseq :: Vector (a, b, c) -> (a, b, c) -> b0 -> b0 #

(Unbox a, Unbox b, Unbox c, Unbox d) => Vector Vector (a, b, c, d) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c, d) -> m (Vector (a, b, c, d)) #

basicUnsafeThaw :: PrimMonad m => Vector (a, b, c, d) -> m (Mutable Vector (PrimState m) (a, b, c, d)) #

basicLength :: Vector (a, b, c, d) -> Int #

basicUnsafeSlice :: Int -> Int -> Vector (a, b, c, d) -> Vector (a, b, c, d) #

basicUnsafeIndexM :: Monad m => Vector (a, b, c, d) -> Int -> m (a, b, c, d) #

basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c, d) -> Vector (a, b, c, d) -> m () #

elemseq :: Vector (a, b, c, d) -> (a, b, c, d) -> b0 -> b0 #

(Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => Vector Vector (a, b, c, d, e) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c, d, e) -> m (Vector (a, b, c, d, e)) #

basicUnsafeThaw :: PrimMonad m => Vector (a, b, c, d, e) -> m (Mutable Vector (PrimState m) (a, b, c, d, e)) #

basicLength :: Vector (a, b, c, d, e) -> Int #

basicUnsafeSlice :: Int -> Int -> Vector (a, b, c, d, e) -> Vector (a, b, c, d, e) #

basicUnsafeIndexM :: Monad m => Vector (a, b, c, d, e) -> Int -> m (a, b, c, d, e) #

basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c, d, e) -> Vector (a, b, c, d, e) -> m () #

elemseq :: Vector (a, b, c, d, e) -> (a, b, c, d, e) -> b0 -> b0 #

(Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => Vector Vector (a, b, c, d, e, f) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c, d, e, f) -> m (Vector (a, b, c, d, e, f)) #

basicUnsafeThaw :: PrimMonad m => Vector (a, b, c, d, e, f) -> m (Mutable Vector (PrimState m) (a, b, c, d, e, f)) #

basicLength :: Vector (a, b, c, d, e, f) -> Int #

basicUnsafeSlice :: Int -> Int -> Vector (a, b, c, d, e, f) -> Vector (a, b, c, d, e, f) #

basicUnsafeIndexM :: Monad m => Vector (a, b, c, d, e, f) -> Int -> m (a, b, c, d, e, f) #

basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) (a, b, c, d, e, f) -> Vector (a, b, c, d, e, f) -> m () #

elemseq :: Vector (a, b, c, d, e, f) -> (a, b, c, d, e, f) -> b0 -> b0 #

Unbox e => IsList (Vector e) # 
Instance details

Defined in Data.Vector.Unboxed

Associated Types

type Item (Vector e) :: Type #

Methods

fromList :: [Item (Vector e)] -> Vector e #

fromListN :: Int -> [Item (Vector e)] -> Vector e #

toList :: Vector e -> [Item (Vector e)] #

(Unbox a, Eq a) => Eq (Vector a) # 
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Defined in Data.Vector.Unboxed

Methods

(==) :: Vector a -> Vector a -> Bool #

(/=) :: Vector a -> Vector a -> Bool #

(Data a, Unbox a) => Data (Vector a) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Vector a -> c (Vector a) #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Vector a) #

toConstr :: Vector a -> Constr #

dataTypeOf :: Vector a -> DataType #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Vector a)) #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Vector a)) #

gmapT :: (forall b. Data b => b -> b) -> Vector a -> Vector a #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Vector a -> r #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Vector a -> r #

gmapQ :: (forall d. Data d => d -> u) -> Vector a -> [u] #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Vector a -> u #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Vector a -> m (Vector a) #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Vector a -> m (Vector a) #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Vector a -> m (Vector a) #

(Unbox a, Ord a) => Ord (Vector a) # 
Instance details

Defined in Data.Vector.Unboxed

Methods

compare :: Vector a -> Vector a -> Ordering #

(<) :: Vector a -> Vector a -> Bool #

(<=) :: Vector a -> Vector a -> Bool #

(>) :: Vector a -> Vector a -> Bool #

(>=) :: Vector a -> Vector a -> Bool #

max :: Vector a -> Vector a -> Vector a #

min :: Vector a -> Vector a -> Vector a #

(Read a, Unbox a) => Read (Vector a) # 
Instance details

Defined in Data.Vector.Unboxed

(Show a, Unbox a) => Show (Vector a) # 
Instance details

Defined in Data.Vector.Unboxed

Methods

showsPrec :: Int -> Vector a -> ShowS #

show :: Vector a -> String #

showList :: [Vector a] -> ShowS #

Unbox a => Semigroup (Vector a) # 
Instance details

Defined in Data.Vector.Unboxed

Methods

(<>) :: Vector a -> Vector a -> Vector a #

sconcat :: NonEmpty (Vector a) -> Vector a #

stimes :: Integral b => b -> Vector a -> Vector a #

Unbox a => Monoid (Vector a) # 
Instance details

Defined in Data.Vector.Unboxed

Methods

mempty :: Vector a #

mappend :: Vector a -> Vector a -> Vector a #

mconcat :: [Vector a] -> Vector a #

NFData (Vector a) # 
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Defined in Data.Vector.Unboxed.Base

Methods

rnf :: Vector a -> () #

type Mutable Vector # 
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newtype Vector Bool # 
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newtype Vector Char # 
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newtype Vector Double # 
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newtype Vector Float # 
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newtype Vector Int # 
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newtype Vector Int = V_Int (Vector Int)
newtype Vector Int8 # 
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newtype Vector Int16 # 
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newtype Vector Int32 # 
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newtype Vector Int64 # 
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newtype Vector Word # 
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newtype Vector Word8 # 
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newtype Vector Word16 # 
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newtype Vector Word32 # 
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newtype Vector Word64 # 
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newtype Vector () # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype Vector () = V_Unit Int
type Item (Vector e) # 
Instance details

Defined in Data.Vector.Unboxed

type Item (Vector e) = e
newtype Vector (Complex a) # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype Vector (Complex a) = V_Complex (Vector (a, a))
data Vector (a, b) # 
Instance details

Defined in Data.Vector.Unboxed.Base

data Vector (a, b) = V_2 !Int !(Vector a) !(Vector b)
data Vector (a, b, c) # 
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Defined in Data.Vector.Unboxed.Base

data Vector (a, b, c) = V_3 !Int !(Vector a) !(Vector b) !(Vector c)
data Vector (a, b, c, d) # 
Instance details

Defined in Data.Vector.Unboxed.Base

data Vector (a, b, c, d) = V_4 !Int !(Vector a) !(Vector b) !(Vector c) !(Vector d)
data Vector (a, b, c, d, e) # 
Instance details

Defined in Data.Vector.Unboxed.Base

data Vector (a, b, c, d, e) = V_5 !Int !(Vector a) !(Vector b) !(Vector c) !(Vector d) !(Vector e)
data Vector (a, b, c, d, e, f) # 
Instance details

Defined in Data.Vector.Unboxed.Base

data Vector (a, b, c, d, e, f) = V_6 !Int !(Vector a) !(Vector b) !(Vector c) !(Vector d) !(Vector e) !(Vector f)

data family MVector s a #

Instances
MVector MVector Bool # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Char # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Double # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Float # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Int # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Int8 # 
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Defined in Data.Vector.Unboxed.Base

MVector MVector Int16 # 
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Defined in Data.Vector.Unboxed.Base

MVector MVector Int32 # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Int64 # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Word # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Word8 # 
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Defined in Data.Vector.Unboxed.Base

MVector MVector Word16 # 
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Defined in Data.Vector.Unboxed.Base

MVector MVector Word32 # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector Word64 # 
Instance details

Defined in Data.Vector.Unboxed.Base

MVector MVector () # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicLength :: MVector s () -> Int #

basicUnsafeSlice :: Int -> Int -> MVector s () -> MVector s () #

basicOverlaps :: MVector s () -> MVector s () -> Bool #

basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) ()) #

basicInitialize :: PrimMonad m => MVector (PrimState m) () -> m () #

basicUnsafeReplicate :: PrimMonad m => Int -> () -> m (MVector (PrimState m) ()) #

basicUnsafeRead :: PrimMonad m => MVector (PrimState m) () -> Int -> m () #

basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) () -> Int -> () -> m () #

basicClear :: PrimMonad m => MVector (PrimState m) () -> m () #

basicSet :: PrimMonad m => MVector (PrimState m) () -> () -> m () #

basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) () -> MVector (PrimState m) () -> m () #

basicUnsafeMove :: PrimMonad m => MVector (PrimState m) () -> MVector (PrimState m) () -> m () #

basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) () -> Int -> m (MVector (PrimState m) ()) #

Unbox a => MVector MVector (Complex a) # 
Instance details

Defined in Data.Vector.Unboxed.Base

(Unbox a, Unbox b) => MVector MVector (a, b) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicLength :: MVector s (a, b) -> Int #

basicUnsafeSlice :: Int -> Int -> MVector s (a, b) -> MVector s (a, b) #

basicOverlaps :: MVector s (a, b) -> MVector s (a, b) -> Bool #

basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) (a, b)) #

basicInitialize :: PrimMonad m => MVector (PrimState m) (a, b) -> m () #

basicUnsafeReplicate :: PrimMonad m => Int -> (a, b) -> m (MVector (PrimState m) (a, b)) #

basicUnsafeRead :: PrimMonad m => MVector (PrimState m) (a, b) -> Int -> m (a, b) #

basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) (a, b) -> Int -> (a, b) -> m () #

basicClear :: PrimMonad m => MVector (PrimState m) (a, b) -> m () #

basicSet :: PrimMonad m => MVector (PrimState m) (a, b) -> (a, b) -> m () #

basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) (a, b) -> MVector (PrimState m) (a, b) -> m () #

basicUnsafeMove :: PrimMonad m => MVector (PrimState m) (a, b) -> MVector (PrimState m) (a, b) -> m () #

basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) (a, b) -> Int -> m (MVector (PrimState m) (a, b)) #

(Unbox a, Unbox b, Unbox c) => MVector MVector (a, b, c) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicLength :: MVector s (a, b, c) -> Int #

basicUnsafeSlice :: Int -> Int -> MVector s (a, b, c) -> MVector s (a, b, c) #

basicOverlaps :: MVector s (a, b, c) -> MVector s (a, b, c) -> Bool #

basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) (a, b, c)) #

basicInitialize :: PrimMonad m => MVector (PrimState m) (a, b, c) -> m () #

basicUnsafeReplicate :: PrimMonad m => Int -> (a, b, c) -> m (MVector (PrimState m) (a, b, c)) #

basicUnsafeRead :: PrimMonad m => MVector (PrimState m) (a, b, c) -> Int -> m (a, b, c) #

basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) (a, b, c) -> Int -> (a, b, c) -> m () #

basicClear :: PrimMonad m => MVector (PrimState m) (a, b, c) -> m () #

basicSet :: PrimMonad m => MVector (PrimState m) (a, b, c) -> (a, b, c) -> m () #

basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) (a, b, c) -> MVector (PrimState m) (a, b, c) -> m () #

basicUnsafeMove :: PrimMonad m => MVector (PrimState m) (a, b, c) -> MVector (PrimState m) (a, b, c) -> m () #

basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) (a, b, c) -> Int -> m (MVector (PrimState m) (a, b, c)) #

(Unbox a, Unbox b, Unbox c, Unbox d) => MVector MVector (a, b, c, d) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicLength :: MVector s (a, b, c, d) -> Int #

basicUnsafeSlice :: Int -> Int -> MVector s (a, b, c, d) -> MVector s (a, b, c, d) #

basicOverlaps :: MVector s (a, b, c, d) -> MVector s (a, b, c, d) -> Bool #

basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) (a, b, c, d)) #

basicInitialize :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> m () #

basicUnsafeReplicate :: PrimMonad m => Int -> (a, b, c, d) -> m (MVector (PrimState m) (a, b, c, d)) #

basicUnsafeRead :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> Int -> m (a, b, c, d) #

basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> Int -> (a, b, c, d) -> m () #

basicClear :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> m () #

basicSet :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> (a, b, c, d) -> m () #

basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> MVector (PrimState m) (a, b, c, d) -> m () #

basicUnsafeMove :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> MVector (PrimState m) (a, b, c, d) -> m () #

basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) (a, b, c, d) -> Int -> m (MVector (PrimState m) (a, b, c, d)) #

(Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => MVector MVector (a, b, c, d, e) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicLength :: MVector s (a, b, c, d, e) -> Int #

basicUnsafeSlice :: Int -> Int -> MVector s (a, b, c, d, e) -> MVector s (a, b, c, d, e) #

basicOverlaps :: MVector s (a, b, c, d, e) -> MVector s (a, b, c, d, e) -> Bool #

basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) (a, b, c, d, e)) #

basicInitialize :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> m () #

basicUnsafeReplicate :: PrimMonad m => Int -> (a, b, c, d, e) -> m (MVector (PrimState m) (a, b, c, d, e)) #

basicUnsafeRead :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> Int -> m (a, b, c, d, e) #

basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> Int -> (a, b, c, d, e) -> m () #

basicClear :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> m () #

basicSet :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> (a, b, c, d, e) -> m () #

basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> MVector (PrimState m) (a, b, c, d, e) -> m () #

basicUnsafeMove :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> MVector (PrimState m) (a, b, c, d, e) -> m () #

basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e) -> Int -> m (MVector (PrimState m) (a, b, c, d, e)) #

(Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => MVector MVector (a, b, c, d, e, f) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

basicLength :: MVector s (a, b, c, d, e, f) -> Int #

basicUnsafeSlice :: Int -> Int -> MVector s (a, b, c, d, e, f) -> MVector s (a, b, c, d, e, f) #

basicOverlaps :: MVector s (a, b, c, d, e, f) -> MVector s (a, b, c, d, e, f) -> Bool #

basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) (a, b, c, d, e, f)) #

basicInitialize :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> m () #

basicUnsafeReplicate :: PrimMonad m => Int -> (a, b, c, d, e, f) -> m (MVector (PrimState m) (a, b, c, d, e, f)) #

basicUnsafeRead :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> Int -> m (a, b, c, d, e, f) #

basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> Int -> (a, b, c, d, e, f) -> m () #

basicClear :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> m () #

basicSet :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> (a, b, c, d, e, f) -> m () #

basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> MVector (PrimState m) (a, b, c, d, e, f) -> m () #

basicUnsafeMove :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> MVector (PrimState m) (a, b, c, d, e, f) -> m () #

basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) (a, b, c, d, e, f) -> Int -> m (MVector (PrimState m) (a, b, c, d, e, f)) #

NFData (MVector s a) # 
Instance details

Defined in Data.Vector.Unboxed.Base

Methods

rnf :: MVector s a -> () #

newtype MVector s Bool # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype MVector s Bool = MV_Bool (MVector s Word8)
newtype MVector s Char # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype MVector s Char = MV_Char (MVector s Char)
newtype MVector s Double # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype MVector s Float # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype MVector s Word64 # 
Instance details

Defined in Data.Vector.Unboxed.Base

newtype MVector s Word32 # 
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Defined in Data.Vector.Unboxed.Base

newtype MVector s Word16 # 
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newtype MVector s Word8 # 
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newtype MVector s Word # 
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newtype MVector s Word = MV_Word (MVector s Word)
newtype MVector s Int64 # 
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newtype MVector s Int32 # 
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newtype MVector s Int16 # 
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newtype MVector s Int8 # 
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newtype MVector s Int8 = MV_Int8 (MVector s Int8)
newtype MVector s Int # 
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newtype MVector s Int = MV_Int (MVector s Int)
newtype MVector s () # 
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newtype MVector s () = MV_Unit Int
newtype MVector s (Complex a) # 
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newtype MVector s (Complex a) = MV_Complex (MVector s (a, a))
data MVector s (a, b) # 
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data MVector s (a, b) = MV_2 !Int !(MVector s a) !(MVector s b)
data MVector s (a, b, c) # 
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data MVector s (a, b, c) = MV_3 !Int !(MVector s a) !(MVector s b) !(MVector s c)
data MVector s (a, b, c, d) # 
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Defined in Data.Vector.Unboxed.Base

data MVector s (a, b, c, d) = MV_4 !Int !(MVector s a) !(MVector s b) !(MVector s c) !(MVector s d)
data MVector s (a, b, c, d, e) # 
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Defined in Data.Vector.Unboxed.Base

data MVector s (a, b, c, d, e) = MV_5 !Int !(MVector s a) !(MVector s b) !(MVector s c) !(MVector s d) !(MVector s e)
data MVector s (a, b, c, d, e, f) # 
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Defined in Data.Vector.Unboxed.Base

data MVector s (a, b, c, d, e, f) = MV_6 !Int !(MVector s a) !(MVector s b) !(MVector s c) !(MVector s d) !(MVector s e) !(MVector s f)

class (Vector Vector a, MVector MVector a) => Unbox a #

Instances
Unbox Bool # 
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Unbox Char # 
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Unbox Double # 
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Unbox Float # 
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Unbox Int # 
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Unbox Int8 # 
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Unbox Int16 # 
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Unbox Int32 # 
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Unbox Int64 # 
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Unbox Word # 
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Unbox Word8 # 
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Unbox Word16 # 
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Unbox Word32 # 
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Unbox Word64 # 
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Unbox () # 
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Unbox a => Unbox (Complex a) # 
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(Unbox a, Unbox b) => Unbox (a, b) # 
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(Unbox a, Unbox b, Unbox c) => Unbox (a, b, c) # 
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(Unbox a, Unbox b, Unbox c, Unbox d) => Unbox (a, b, c, d) # 
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(Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => Unbox (a, b, c, d, e) # 
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(Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => Unbox (a, b, c, d, e, f) # 
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Defined in Data.Vector.Unboxed.Base

Accessors

Length information

length :: Unbox a => Vector a -> Int #

O(1) Yield the length of the vector

null :: Unbox a => Vector a -> Bool #

O(1) Test whether a vector is empty

Indexing

(!) :: Unbox a => Vector a -> Int -> a #

O(1) Indexing

(!?) :: Unbox a => Vector a -> Int -> Maybe a #

O(1) Safe indexing

head :: Unbox a => Vector a -> a #

O(1) First element

last :: Unbox a => Vector a -> a #

O(1) Last element

unsafeIndex :: Unbox a => Vector a -> Int -> a #

O(1) Unsafe indexing without bounds checking

unsafeHead :: Unbox a => Vector a -> a #

O(1) First element without checking if the vector is empty

unsafeLast :: Unbox a => Vector a -> a #

O(1) Last element without checking if the vector is empty

Monadic indexing

indexM :: (Unbox a, Monad m) => Vector a -> Int -> m a #

O(1) Indexing in a monad.

The monad allows operations to be strict in the vector when necessary. Suppose vector copying is implemented like this:

copy mv v = ... write mv i (v ! i) ...

For lazy vectors, v ! i would not be evaluated which means that mv would unnecessarily retain a reference to v in each element written.

With indexM, copying can be implemented like this instead:

copy mv v = ... do
                  x <- indexM v i
                  write mv i x

Here, no references to v are retained because indexing (but not the elements) is evaluated eagerly.

headM :: (Unbox a, Monad m) => Vector a -> m a #

O(1) First element of a vector in a monad. See indexM for an explanation of why this is useful.

lastM :: (Unbox a, Monad m) => Vector a -> m a #

O(1) Last element of a vector in a monad. See indexM for an explanation of why this is useful.

unsafeIndexM :: (Unbox a, Monad m) => Vector a -> Int -> m a #

O(1) Indexing in a monad without bounds checks. See indexM for an explanation of why this is useful.

unsafeHeadM :: (Unbox a, Monad m) => Vector a -> m a #

O(1) First element in a monad without checking for empty vectors. See indexM for an explanation of why this is useful.

unsafeLastM :: (Unbox a, Monad m) => Vector a -> m a #

O(1) Last element in a monad without checking for empty vectors. See indexM for an explanation of why this is useful.

Extracting subvectors (slicing)

slice #

Arguments

:: Unbox a 
=> Int

i starting index

-> Int

n length

-> Vector a 
-> Vector a 

O(1) Yield a slice of the vector without copying it. The vector must contain at least i+n elements.

init :: Unbox a => Vector a -> Vector a #

O(1) Yield all but the last element without copying. The vector may not be empty.

tail :: Unbox a => Vector a -> Vector a #

O(1) Yield all but the first element without copying. The vector may not be empty.

take :: Unbox a => Int -> Vector a -> Vector a #

O(1) Yield at the first n elements without copying. The vector may contain less than n elements in which case it is returned unchanged.

drop :: Unbox a => Int -> Vector a -> Vector a #

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.

splitAt :: Unbox a => Int -> Vector a -> (Vector a, Vector a) #

O(1) Yield the first n elements paired with the remainder without copying.

Note that splitAt n v is equivalent to (take n v, drop n v) but slightly more efficient.

unsafeSlice #

Arguments

:: Unbox a 
=> Int

i starting index

-> Int

n length

-> Vector a 
-> Vector a 

O(1) Yield a slice of the vector without copying. The vector must contain at least i+n elements but this is not checked.

unsafeInit :: Unbox a => Vector a -> Vector a #

O(1) Yield all but the last element without copying. The vector may not be empty but this is not checked.

unsafeTail :: Unbox a => Vector a -> Vector a #

O(1) Yield all but the first element without copying. The vector may not be empty but this is not checked.

unsafeTake :: Unbox a => Int -> Vector a -> Vector a #

O(1) Yield the first n elements without copying. The vector must contain at least n elements but this is not checked.

unsafeDrop :: Unbox a => Int -> Vector a -> Vector a #

O(1) Yield all but the first n elements without copying. The vector must contain at least n elements but this is not checked.

Construction

Initialisation

empty :: Unbox a => Vector a #

O(1) Empty vector

singleton :: Unbox a => a -> Vector a #

O(1) Vector with exactly one element

replicate :: Unbox a => Int -> a -> Vector a #

O(n) Vector of the given length with the same value in each position

generate :: Unbox a => Int -> (Int -> a) -> Vector a #

O(n) Construct a vector of the given length by applying the function to each index

iterateN :: Unbox a => Int -> (a -> a) -> a -> Vector a #

O(n) Apply function n times to value. Zeroth element is original value.

Monadic initialisation

replicateM :: (Monad m, Unbox a) => Int -> m a -> m (Vector a) #

O(n) Execute the monadic action the given number of times and store the results in a vector.

generateM :: (Monad m, Unbox a) => Int -> (Int -> m a) -> m (Vector a) #

O(n) Construct a vector of the given length by applying the monadic action to each index

iterateNM :: (Monad m, Unbox a) => Int -> (a -> m a) -> a -> m (Vector a) #

O(n) Apply monadic function n times to value. Zeroth element is original value.

create :: Unbox a => (forall s. ST s (MVector s a)) -> Vector a #

Execute the monadic action and freeze the resulting vector.

create (do { v <- new 2; write v 0 'a'; write v 1 'b'; return v }) = <a,b>

createT :: (Traversable f, Unbox a) => (forall s. ST s (f (MVector s a))) -> f (Vector a) #

Execute the monadic action and freeze the resulting vectors.

Unfolding

unfoldr :: Unbox a => (b -> Maybe (a, b)) -> b -> Vector a #

O(n) Construct a vector by repeatedly applying the generator function to a seed. The generator function yields Just the next element and the new seed or Nothing if there are no more elements.

unfoldr (\n -> if n == 0 then Nothing else Just (n,n-1)) 10
 = <10,9,8,7,6,5,4,3,2,1>

unfoldrN :: Unbox a => Int -> (b -> Maybe (a, b)) -> b -> Vector a #

O(n) Construct a vector with at most n elements by repeatedly applying the generator function to a seed. The generator function yields Just the next element and the new seed or Nothing if there are no more elements.

unfoldrN 3 (\n -> Just (n,n-1)) 10 = <10,9,8>

unfoldrM :: (Monad m, Unbox a) => (b -> m (Maybe (a, b))) -> b -> m (Vector a) #

O(n) Construct a vector by repeatedly applying the monadic generator function to a seed. The generator function yields Just the next element and the new seed or Nothing if there are no more elements.

unfoldrNM :: (Monad m, Unbox a) => Int -> (b -> m (Maybe (a, b))) -> b -> m (Vector a) #

O(n) Construct a vector by repeatedly applying the monadic generator function to a seed. The generator function yields Just the next element and the new seed or Nothing if there are no more elements.

constructN :: Unbox a => Int -> (Vector a -> a) -> Vector a #

O(n) Construct a vector with n elements by repeatedly applying the generator function to the already constructed part of the vector.

constructN 3 f = let a = f <> ; b = f <a> ; c = f <a,b> in f <a,b,c>

constructrN :: Unbox a => Int -> (Vector a -> a) -> Vector a #

O(n) Construct a vector with n elements from right to left by repeatedly applying the generator function to the already constructed part of the vector.

constructrN 3 f = let a = f <> ; b = f<a> ; c = f <b,a> in f <c,b,a>

Enumeration

enumFromN :: (Unbox a, Num a) => a -> Int -> Vector a #

O(n) Yield a vector of the given length containing the values x, x+1 etc. This operation is usually more efficient than enumFromTo.

enumFromN 5 3 = <5,6,7>

enumFromStepN :: (Unbox a, Num a) => a -> a -> Int -> Vector a #

O(n) Yield a vector of the given length containing the values x, x+y, x+y+y etc. This operations is usually more efficient than enumFromThenTo.

enumFromStepN 1 0.1 5 = <1,1.1,1.2,1.3,1.4>

enumFromTo :: (Unbox a, Enum a) => a -> a -> Vector a #

O(n) Enumerate values from x to y.

WARNING: This operation can be very inefficient. If at all possible, use enumFromN instead.

enumFromThenTo :: (Unbox a, Enum a) => a -> a -> a -> Vector a #

O(n) Enumerate values from x to y with a specific step z.

WARNING: This operation can be very inefficient. If at all possible, use enumFromStepN instead.

Concatenation

cons :: Unbox a => a -> Vector a -> Vector a #

O(n) Prepend an element

snoc :: Unbox a => Vector a -> a -> Vector a #

O(n) Append an element

(++) :: Unbox a => Vector a -> Vector a -> Vector a infixr 5 #

O(m+n) Concatenate two vectors

concat :: Unbox a => [Vector a] -> Vector a #

O(n) Concatenate all vectors in the list

Restricting memory usage

force :: Unbox a => Vector a -> Vector a #

O(n) Yield the argument but force it not to retain any extra memory, possibly by copying it.

This is especially useful when dealing with slices. For example:

force (slice 0 2 <huge vector>)

Here, the slice retains a reference to the huge vector. Forcing it creates a copy of just the elements that belong to the slice and allows the huge vector to be garbage collected.

Modifying vectors

Bulk updates

(//) #

Arguments

:: Unbox a 
=> Vector a

initial vector (of length m)

-> [(Int, a)]

list of index/value pairs (of length n)

-> Vector a 

O(m+n) For each pair (i,a) from the list, replace the vector element at position i by a.

<5,9,2,7> // [(2,1),(0,3),(2,8)] = <3,9,8,7>

update #

Arguments

:: Unbox a 
=> Vector a

initial vector (of length m)

-> Vector (Int, a)

vector of index/value pairs (of length n)

-> Vector a 

O(m+n) For each pair (i,a) from the vector of index/value pairs, replace the vector element at position i by a.

update <5,9,2,7> <(2,1),(0,3),(2,8)> = <3,9,8,7>

update_ #

Arguments

:: Unbox a 
=> Vector a

initial vector (of length m)

-> Vector Int

index vector (of length n1)

-> Vector a

value vector (of length n2)

-> Vector a 

O(m+min(n1,n2)) For each index i from the index vector and the corresponding value a from the value vector, replace the element of the initial vector at position i by a.

update_ <5,9,2,7>  <2,0,2> <1,3,8> = <3,9,8,7>

The function update provides the same functionality and is usually more convenient.

update_ xs is ys = update xs (zip is ys)

unsafeUpd :: Unbox a => Vector a -> [(Int, a)] -> Vector a #

Same as (//) but without bounds checking.

unsafeUpdate :: Unbox a => Vector a -> Vector (Int, a) -> Vector a #

Same as update but without bounds checking.

unsafeUpdate_ :: Unbox a => Vector a -> Vector Int -> Vector a -> Vector a #

Same as update_ but without bounds checking.

Accumulations

accum #

Arguments

:: Unbox a 
=> (a -> b -> a)

accumulating function f

-> Vector a

initial vector (of length m)

-> [(Int, b)]

list of index/value pairs (of length n)

-> Vector a 

O(m+n) For each pair (i,b) from the list, replace the vector element a at position i by f a b.

accum (+) <5,9,2> [(2,4),(1,6),(0,3),(1,7)] = <5+3, 9+6+7, 2+4>

accumulate #

Arguments

:: (Unbox a, Unbox b) 
=> (a -> b -> a)

accumulating function f

-> Vector a

initial vector (of length m)

-> Vector (Int, b)

vector of index/value pairs (of length n)

-> Vector a 

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.

accumulate (+) <5,9,2> <(2,4),(1,6),(0,3),(1,7)> = <5+3, 9+6+7, 2+4>

accumulate_ #

Arguments

:: (Unbox a, Unbox b) 
=> (a -> b -> a)

accumulating function f

-> Vector a

initial vector (of length m)

-> Vector Int

index vector (of length n1)

-> Vector b

value vector (of length n2)

-> Vector a 

O(m+min(n1,n2)) For each index i from the index vector and the corresponding value b from the the value vector, replace the element of the initial vector at position i by f a b.

accumulate_ (+) <5,9,2> <2,1,0,1> <4,6,3,7> = <5+3, 9+6+7, 2+4>

The function accumulate provides the same functionality and is usually more convenient.

accumulate_ f as is bs = accumulate f as (zip is bs)

unsafeAccum :: Unbox a => (a -> b -> a) -> Vector a -> [(Int, b)] -> Vector a #

Same as accum but without bounds checking.

unsafeAccumulate :: (Unbox a, Unbox b) => (a -> b -> a) -> Vector a -> Vector (Int, b) -> Vector a #

Same as accumulate but without bounds checking.

unsafeAccumulate_ :: (Unbox a, Unbox b) => (a -> b -> a) -> Vector a -> Vector Int -> Vector b -> Vector a #

Same as accumulate_ but without bounds checking.

Permutations

reverse :: Unbox a => Vector a -> Vector a #

O(n) Reverse a vector

backpermute :: Unbox a => Vector a -> Vector Int -> Vector a #

O(n) Yield the vector obtained by replacing each element i of the index vector by xs!i. This is equivalent to map (xs!) is but is often much more efficient.

backpermute <a,b,c,d> <0,3,2,3,1,0> = <a,d,c,d,b,a>

unsafeBackpermute :: Unbox a => Vector a -> Vector Int -> Vector a #

Same as backpermute but without bounds checking.

Safe destructive updates

modify :: Unbox a => (forall s. MVector s a -> ST s ()) -> Vector a -> Vector a #

Apply a destructive operation to a vector. The operation will be performed in place if it is safe to do so and will modify a copy of the vector otherwise.

modify (\v -> write v 0 'x') (replicate 3 'a') = <'x','a','a'>

Elementwise operations

Indexing

indexed :: Unbox a => Vector a -> Vector (Int, a) #

O(n) Pair each element in a vector with its index

Mapping

map :: (Unbox a, Unbox b) => (a -> b) -> Vector a -> Vector b #

O(n) Map a function over a vector

imap :: (Unbox a, Unbox b) => (Int -> a -> b) -> Vector a -> Vector b #

O(n) Apply a function to every element of a vector and its index

concatMap :: (Unbox a, Unbox b) => (a -> Vector b) -> Vector a -> Vector b #

Map a function over a vector and concatenate the results.

Monadic mapping

mapM :: (Monad m, Unbox a, Unbox b) => (a -> m b) -> Vector a -> m (Vector b) #

O(n) Apply the monadic action to all elements of the vector, yielding a vector of results

imapM :: (Monad m, Unbox a, Unbox b) => (Int -> a -> m b) -> Vector a -> m (Vector b) #

O(n) Apply the monadic action to every element of a vector and its index, yielding a vector of results

mapM_ :: (Monad m, Unbox a) => (a -> m b) -> Vector a -> m () #

O(n) Apply the monadic action to all elements of a vector and ignore the results

imapM_ :: (Monad m, Unbox a) => (Int -> a -> m b) -> Vector a -> m () #

O(n) Apply the monadic action to every element of a vector and its index, ignoring the results

forM :: (Monad m, Unbox a, Unbox b) => Vector a -> (a -> m b) -> m (Vector b) #

O(n) Apply the monadic action to all elements of the vector, yielding a vector of results. Equivalent to flip mapM.

forM_ :: (Monad m, Unbox a) => Vector a -> (a -> m b) -> m () #

O(n) Apply the monadic action to all elements of a vector and ignore the results. Equivalent to flip mapM_.

Zipping

zipWith :: (Unbox a, Unbox b, Unbox c) => (a -> b -> c) -> Vector a -> Vector b -> Vector c #

O(min(m,n)) Zip two vectors with the given function.

zipWith3 :: (Unbox a, Unbox b, Unbox c, Unbox d) => (a -> b -> c -> d) -> Vector a -> Vector b -> Vector c -> Vector d #

Zip three vectors with the given function.

zipWith4 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => (a -> b -> c -> d -> e) -> Vector a -> Vector b -> Vector c -> Vector d -> Vector e #

zipWith5 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => (a -> b -> c -> d -> e -> f) -> Vector a -> Vector b -> Vector c -> Vector d -> Vector e -> Vector f #

zipWith6 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f, Unbox g) => (a -> b -> c -> d -> e -> f -> g) -> Vector a -> Vector b -> Vector c -> Vector d -> Vector e -> Vector f -> Vector g #

izipWith :: (Unbox a, Unbox b, Unbox c) => (Int -> a -> b -> c) -> Vector a -> Vector b -> Vector c #

O(min(m,n)) Zip two vectors with a function that also takes the elements' indices.

izipWith3 :: (Unbox a, Unbox b, Unbox c, Unbox d) => (Int -> a -> b -> c -> d) -> Vector a -> Vector b -> Vector c -> Vector d #

Zip three vectors and their indices with the given function.

izipWith4 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => (Int -> a -> b -> c -> d -> e) -> Vector a -> Vector b -> Vector c -> Vector d -> Vector e #

izipWith5 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => (Int -> a -> b -> c -> d -> e -> f) -> Vector a -> Vector b -> Vector c -> Vector d -> Vector e -> Vector f #

izipWith6 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f, Unbox g) => (Int -> a -> b -> c -> d -> e -> f -> g) -> Vector a -> Vector b -> Vector c -> Vector d -> Vector e -> Vector f -> Vector g #

zip :: (Unbox a, Unbox b) => Vector a -> Vector b -> Vector (a, b) #

O(1) Zip 2 vectors

zip3 :: (Unbox a, Unbox b, Unbox c) => Vector a -> Vector b -> Vector c -> Vector (a, b, c) #

O(1) Zip 3 vectors

zip4 :: (Unbox a, Unbox b, Unbox c, Unbox d) => Vector a -> Vector b -> Vector c -> Vector d -> Vector (a, b, c, d) #

O(1) Zip 4 vectors

zip5 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => Vector a -> Vector b -> Vector c -> Vector d -> Vector e -> Vector (a, b, c, d, e) #

O(1) Zip 5 vectors

zip6 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => Vector a -> Vector b -> Vector c -> Vector d -> Vector e -> Vector f -> Vector (a, b, c, d, e, f) #

O(1) Zip 6 vectors

Monadic zipping

zipWithM :: (Monad m, Unbox a, Unbox b, Unbox c) => (a -> b -> m c) -> Vector a -> Vector b -> m (Vector c) #

O(min(m,n)) Zip the two vectors with the monadic action 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) #

O(min(m,n)) Zip the two vectors with a monadic action that also takes the element index and yield a vector of results

zipWithM_ :: (Monad m, Unbox a, Unbox b) => (a -> b -> m c) -> Vector a -> Vector b -> m () #

O(min(m,n)) Zip the two vectors with the monadic action and ignore the results

izipWithM_ :: (Monad m, Unbox a, Unbox b) => (Int -> a -> b -> m c) -> Vector a -> Vector b -> m () #

O(min(m,n)) Zip the two vectors with a monadic action that also takes the element index and ignore the results

Unzipping

unzip :: (Unbox a, Unbox b) => Vector (a, b) -> (Vector a, Vector b) #

O(1) Unzip 2 vectors

unzip3 :: (Unbox a, Unbox b, Unbox c) => Vector (a, b, c) -> (Vector a, Vector b, Vector c) #

O(1) Unzip 3 vectors

unzip4 :: (Unbox a, Unbox b, Unbox c, Unbox d) => Vector (a, b, c, d) -> (Vector a, Vector b, Vector c, Vector d) #

O(1) Unzip 4 vectors

unzip5 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e) => Vector (a, b, c, d, e) -> (Vector a, Vector b, Vector c, Vector d, Vector e) #

O(1) Unzip 5 vectors

unzip6 :: (Unbox a, Unbox b, Unbox c, Unbox d, Unbox e, Unbox f) => Vector (a, b, c, d, e, f) -> (Vector a, Vector b, Vector c, Vector d, Vector e, Vector f) #

O(1) Unzip 6 vectors

Working with predicates

Filtering

filter :: Unbox a => (a -> Bool) -> Vector a -> Vector a #

O(n) Drop elements that do not satisfy the predicate

ifilter :: Unbox a => (Int -> a -> Bool) -> Vector a -> Vector a #

O(n) Drop elements that do not satisfy the predicate which is applied to values and their indices

uniq :: (Unbox a, Eq a) => Vector a -> Vector a #

O(n) Drop repeated adjacent elements.

mapMaybe :: (Unbox a, Unbox b) => (a -> Maybe b) -> Vector a -> Vector b #

O(n) Drop elements when predicate returns Nothing

imapMaybe :: (Unbox a, Unbox b) => (Int -> a -> Maybe b) -> Vector a -> Vector b #

O(n) Drop elements when predicate, applied to index and value, returns Nothing

filterM :: (Monad m, Unbox a) => (a -> m Bool) -> Vector a -> m (Vector a) #

O(n) Drop elements that do not satisfy the monadic predicate

takeWhile :: Unbox a => (a -> Bool) -> Vector a -> Vector a #

O(n) Yield the longest prefix of elements satisfying the predicate without copying.

dropWhile :: Unbox a => (a -> Bool) -> Vector a -> Vector a #

O(n) Drop the longest prefix of elements that satisfy the predicate without copying.

Partitioning

partition :: Unbox a => (a -> Bool) -> Vector a -> (Vector a, Vector a) #

O(n) Split the vector in two parts, the first one containing those elements that satisfy the predicate and the second one those that don't. The relative order of the elements is preserved at the cost of a sometimes reduced performance compared to unstablePartition.

unstablePartition :: Unbox a => (a -> Bool) -> Vector a -> (Vector a, Vector a) #

O(n) Split the vector in two parts, the first one containing those elements that satisfy the predicate and the second one those that don't. The order of the elements is not preserved but the operation is often faster than partition.

span :: Unbox a => (a -> Bool) -> Vector a -> (Vector a, Vector a) #

O(n) Split the vector into the longest prefix of elements that satisfy the predicate and the rest without copying.

break :: Unbox a => (a -> Bool) -> Vector a -> (Vector a, Vector a) #

O(n) Split the vector into the longest prefix of elements that do not satisfy the predicate and the rest without copying.

Searching

elem :: (Unbox a, Eq a) => a -> Vector a -> Bool infix 4 #

O(n) Check if the vector contains an element

notElem :: (Unbox a, Eq a) => a -> Vector a -> Bool infix 4 #

O(n) Check if the vector does not contain an element (inverse of elem)

find :: Unbox a => (a -> Bool) -> Vector a -> Maybe a #

O(n) Yield Just the first element matching the predicate or Nothing if no such element exists.

findIndex :: Unbox a => (a -> Bool) -> Vector a -> Maybe Int #

O(n) Yield Just the index of the first element matching the predicate or Nothing if no such element exists.

findIndices :: Unbox a => (a -> Bool) -> Vector a -> Vector Int #

O(n) Yield the indices of elements satisfying the predicate in ascending order.

elemIndex :: (Unbox a, Eq a) => a -> Vector a -> Maybe Int #

O(n) Yield Just the index of the first occurence of the given element or Nothing if the vector does not contain the element. This is a specialised version of findIndex.

elemIndices :: (Unbox a, Eq a) => a -> Vector a -> Vector Int #

O(n) Yield the indices of all occurences of the given element in ascending order. This is a specialised version of findIndices.

Folding

foldl :: Unbox b => (a -> b -> a) -> a -> Vector b -> a #

O(n) Left fold

foldl1 :: Unbox a => (a -> a -> a) -> Vector a -> a #

O(n) Left fold on non-empty vectors

foldl' :: Unbox b => (a -> b -> a) -> a -> Vector b -> a #

O(n) Left fold with strict accumulator

foldl1' :: Unbox a => (a -> a -> a) -> Vector a -> a #

O(n) Left fold on non-empty vectors with strict accumulator

foldr :: Unbox a => (a -> b -> b) -> b -> Vector a -> b #

O(n) Right fold

foldr1 :: Unbox a => (a -> a -> a) -> Vector a -> a #

O(n) Right fold on non-empty vectors

foldr' :: Unbox a => (a -> b -> b) -> b -> Vector a -> b #

O(n) Right fold with a strict accumulator

foldr1' :: Unbox a => (a -> a -> a) -> Vector a -> a #

O(n) Right fold on non-empty vectors with strict accumulator

ifoldl :: Unbox b => (a -> Int -> b -> a) -> a -> Vector b -> a #

O(n) Left fold (function applied to each element and its index)

ifoldl' :: Unbox b => (a -> Int -> b -> a) -> a -> Vector b -> a #

O(n) Left fold with strict accumulator (function applied to each element and its index)

ifoldr :: Unbox a => (Int -> a -> b -> b) -> b -> Vector a -> b #

O(n) Right fold (function applied to each element and its index)

ifoldr' :: Unbox a => (Int -> a -> b -> b) -> b -> Vector a -> b #

O(n) Right fold with strict accumulator (function applied to each element and its index)

Specialised folds

all :: Unbox a => (a -> Bool) -> Vector a -> Bool #

O(n) Check if all elements satisfy the predicate.

any :: Unbox a => (a -> Bool) -> Vector a -> Bool #

O(n) Check if any element satisfies the predicate.

and :: Vector Bool -> Bool #

O(n) Check if all elements are True

or :: Vector Bool -> Bool #

O(n) Check if any element is True

sum :: (Unbox a, Num a) => Vector a -> a #

O(n) Compute the sum of the elements

product :: (Unbox a, Num a) => Vector a -> a #

O(n) Compute the produce of the elements

maximum :: (Unbox a, Ord a) => Vector a -> a #

O(n) Yield the maximum element of the vector. The vector may not be empty.

maximumBy :: Unbox a => (a -> a -> Ordering) -> Vector a -> a #

O(n) Yield the maximum element of the vector according to the given comparison function. The vector may not be empty.

minimum :: (Unbox a, Ord a) => Vector a -> a #

O(n) Yield the minimum element of the vector. The vector may not be empty.

minimumBy :: Unbox a => (a -> a -> Ordering) -> Vector a -> a #

O(n) Yield the minimum element of the vector according to the given comparison function. The vector may not be empty.

minIndex :: (Unbox a, Ord a) => Vector a -> Int #

O(n) Yield the index of the minimum element of the vector. The vector may not be empty.

minIndexBy :: Unbox a => (a -> a -> Ordering) -> Vector a -> Int #

O(n) Yield the index of the minimum element of the vector according to the given comparison function. The vector may not be empty.

maxIndex :: (Unbox a, Ord a) => Vector a -> Int #

O(n) Yield the index of the maximum element of the vector. The vector may not be empty.

maxIndexBy :: Unbox a => (a -> a -> Ordering) -> Vector a -> Int #

O(n) Yield the index of the maximum element of the vector according to the given comparison function. The vector may not be empty.

Monadic folds

foldM :: (Monad m, Unbox b) => (a -> b -> m a) -> a -> Vector b -> m a #

O(n) Monadic fold

ifoldM :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m a #

O(n) Monadic fold (action applied to each element and its index)

foldM' :: (Monad m, Unbox b) => (a -> b -> m a) -> a -> Vector b -> m a #

O(n) Monadic fold with strict accumulator

ifoldM' :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m a #

O(n) Monadic fold with strict accumulator (action applied to each element and its index)

fold1M :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m a #

O(n) Monadic fold over non-empty vectors

fold1M' :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m a #

O(n) Monadic fold over non-empty vectors with strict accumulator

foldM_ :: (Monad m, Unbox b) => (a -> b -> m a) -> a -> Vector b -> m () #

O(n) Monadic fold that discards the result

ifoldM_ :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m () #

O(n) Monadic fold that discards the result (action applied to each element and its index)

foldM'_ :: (Monad m, Unbox b) => (a -> b -> m a) -> a -> Vector b -> m () #

O(n) Monadic fold with strict accumulator that discards the result

ifoldM'_ :: (Monad m, Unbox b) => (a -> Int -> b -> m a) -> a -> Vector b -> m () #

O(n) Monadic fold with strict accumulator that discards the result (action applied to each element and its index)

fold1M_ :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m () #

O(n) Monadic fold over non-empty vectors that discards the result

fold1M'_ :: (Monad m, Unbox a) => (a -> a -> m a) -> Vector a -> m () #

O(n) Monadic fold over non-empty vectors with strict accumulator that discards the result

Prefix sums (scans)

prescanl :: (Unbox a, Unbox b) => (a -> b -> a) -> a -> Vector b -> Vector a #

O(n) Prescan

prescanl f z = init . scanl f z

Example: prescanl (+) 0 <1,2,3,4> = <0,1,3,6>

prescanl' :: (Unbox a, Unbox b) => (a -> b -> a) -> a -> Vector b -> Vector a #

O(n) Prescan with strict accumulator

postscanl :: (Unbox a, Unbox b) => (a -> b -> a) -> a -> Vector b -> Vector a #

O(n) Scan

postscanl f z = tail . scanl f z

Example: postscanl (+) 0 <1,2,3,4> = <1,3,6,10>

postscanl' :: (Unbox a, Unbox b) => (a -> b -> a) -> a -> Vector b -> Vector a #

O(n) Scan with strict accumulator

scanl :: (Unbox a, Unbox b) => (a -> b -> a) -> a -> Vector b -> Vector a