accelerate-fft-1.2.0.0: FFT using the Accelerate library

Copyright	[2012..2017] Manuel M T Chakravarty Gabriele Keller Trevor L. McDonell [2013..2017] Robert Clifton-Everest
License	BSD3
Maintainer	Trevor L. McDonell <tmcdonell@cse.unsw.edu.au>
Stability	experimental
Portability	non-portable (GHC extensions)
Safe Haskell	None
Language	Haskell98

Data.Array.Accelerate.Math.DFT.Roots

Description

Synopsis

rootsOfUnity :: (Shape sh, Slice sh, Elt (Complex e), Floating e, FromIntegral Int e) => Exp (sh :. Int) -> Acc (Array (sh :. Int) (Complex e))
inverseRootsOfUnity :: (Shape sh, Slice sh, Elt (Complex e), Floating e, FromIntegral Int e) => Exp (sh :. Int) -> Acc (Array (sh :. Int) (Complex e))

Documentation

rootsOfUnity :: (Shape sh, Slice sh, Elt (Complex e), Floating e, FromIntegral Int e) => Exp (sh :. Int) -> Acc (Array (sh :. Int) (Complex e)) Source #

Calculate the roots of unity for the forward transform

inverseRootsOfUnity :: (Shape sh, Slice sh, Elt (Complex e), Floating e, FromIntegral Int e) => Exp (sh :. Int) -> Acc (Array (sh :. Int) (Complex e)) Source #

Calculate the roots of unity for an inverse transform