Data.Array.Repa.Slice

Index space transformation between arrays and slices.

Documentation

data All

Select all indices at a certain position.

Constructors

All

Instances

Slice sl => Slice ((:.) sl All)

type SliceShape ((:.) sl All) = (:.) (SliceShape sl) Int

type FullShape ((:.) sl All) = (:.) (FullShape sl) Int

data Any sh

Place holder for any possible shape.

Constructors

Any

Instances

Slice (Any sh)

type SliceShape (Any sh) = sh

type FullShape (Any sh) = sh

type family FullShape ss

Map a type of the index in the full shape, to the type of the index in the slice.

Instances

type FullShape Z = Z

type FullShape (Any sh) = sh

type FullShape ((:.) sl All) = (:.) (FullShape sl) Int

type FullShape ((:.) sl Int) = (:.) (FullShape sl) Int

type family SliceShape ss

Map the type of an index in the slice, to the type of the index in the full shape.

Instances

type SliceShape Z = Z

type SliceShape (Any sh) = sh

type SliceShape ((:.) sl All) = (:.) (SliceShape sl) Int

type SliceShape ((:.) sl Int) = SliceShape sl

class Slice ss where

Class of index types that can map to slices.

Methods

sliceOfFull :: ss -> FullShape ss -> SliceShape ss

Map an index of a full shape onto an index of some slice.

fullOfSlice :: ss -> SliceShape ss -> FullShape ss

Map an index of a slice onto an index of the full shape.

Instances

Slice Z

Slice (Any sh)

Slice sl => Slice ((:.) sl All)

Slice sl => Slice ((:.) sl Int)