Data.Array.Accelerate.Utility.Lift.Acc

Documentation

class Arrays (Tuple pattern) => Unlift pattern where

This class is like Unlift but for the Acc environment. It allows you to unlift an Acc of nested tuples into tuples of Exp and Acc values. It can be quite handy when working with acond and awhile. It can also be useful in connection with running an accelerate algorithm at a certain backend, like run1. But in this case you might prefer Data.Array.Accelerate.Utility.Lift.Run.

Associated Types

type Unlifted pattern

type Tuple pattern

Methods

unlift :: pattern -> Acc (Tuple pattern) -> Unlifted pattern

Instances

Elt a => Unlift (Exp a)

Arrays a => Unlift (Acc a)

(Unlift pa, Unlift pb) => Unlift (pa, pb)

(Unlift pa, Unlift pb, Unlift pc) => Unlift (pa, pb, pc)

modify :: (Lift Acc a, Unlift pattern) => pattern -> (Unlifted pattern -> a) -> Acc (Tuple pattern) -> Acc (Plain a)

modify2 :: (Lift Acc a, Unlift patternA, Unlift patternB) => patternA -> patternB -> (Unlifted patternA -> Unlifted patternB -> a) -> Acc (Tuple patternA) -> Acc (Tuple patternB) -> Acc (Plain a)

modify3 :: (Lift Acc a, Unlift patternA, Unlift patternB, Unlift patternC) => patternA -> patternB -> patternC -> (Unlifted patternA -> Unlifted patternB -> Unlifted patternC -> a) -> Acc (Tuple patternA) -> Acc (Tuple patternB) -> Acc (Tuple patternC) -> Acc (Plain a)

modify4 :: (Lift Acc a, Unlift patternA, Unlift patternB, Unlift patternC, Unlift patternD) => patternA -> patternB -> patternC -> patternD -> (Unlifted patternA -> Unlifted patternB -> Unlifted patternC -> Unlifted patternD -> a) -> Acc (Tuple patternA) -> Acc (Tuple patternB) -> Acc (Tuple patternC) -> Acc (Tuple patternD) -> Acc (Plain a)

data Acc a

Constructors

Acc

Instances

Arrays a => Unlift (Acc a)

type Unlifted (Acc a) = Acc a

type Tuple (Acc a) = a

acc :: Acc a

data Exp e

Constructors

Exp

Instances

Elt a => Unlift (Exp a)

Elt a => Unlift (Exp a)

type Unlifted (Exp a) = Exp a

type Tuple (Exp a) = a

type Unlifted (Exp a) = Exp a

type Tuple (Exp a) = Scalar a

expr :: Exp e

unliftPair :: (Arrays a, Arrays b) => Acc (a, b) -> (Acc a, Acc b)

unliftTriple :: (Arrays a, Arrays b, Arrays c) => Acc (a, b, c) -> (Acc a, Acc b, Acc c)

unliftQuadruple :: (Arrays a, Arrays b, Arrays c, Arrays d) => Acc (a, b, c, d) -> (Acc a, Acc b, Acc c, Acc d)

mapFst :: (Arrays a, Arrays b, Arrays c) => (Acc a -> Acc b) -> Acc (a, c) -> Acc (b, c)

mapSnd :: (Arrays a, Arrays b, Arrays c) => (Acc b -> Acc c) -> Acc (a, b) -> Acc (a, c)

singleton :: Elt e => e -> Scalar e

like unit in the Acc environment

the :: Elt e => Scalar e -> e

like the in the Acc environment