dsp-0.2.4: Haskell Digital Signal Processing

Copyright(c) Matthew Donadio 2003
LicenseGPL
Maintainerm.p.donadio@ieee.org
Stabilityexperimental
Portabilityportable
Safe HaskellSafe
LanguageHaskell98

Numeric.Transform.Fourier.FFTUtils

Description

Utility functions based on the FFT

Documentation

fft_mag :: (RealFloat b, Integral a, Ix a) => Array a (Complex b) -> Array a b Source #

fft_db :: (RealFloat b, Integral a, Ix a) => Array a (Complex b) -> Array a b Source #

fft_phase :: (Integral a, Ix a) => Array a (Complex Double) -> Array a Double Source #

fft_grd :: (Integral i, RealFloat a, Ix i) => Array i (Complex a) -> Array i a Source #

fft_info :: (Integral i, Ix i) => Array i (Complex Double) -> (Array i Double, Array i Double, Array i Double, Array i Double) Source #

rfft_mag :: (RealFloat b, Integral a, Ix a) => Array a b -> Array a b Source #

rfft_db :: (RealFloat b, Integral a, Ix a) => Array a b -> Array a b Source #

rfft_phase :: (Integral a, Ix a) => Array a Double -> Array a Double Source #

rfft_grd :: (Integral i, Ix i, RealFloat a) => Array i a -> Array i a Source #

rfft_info :: (Integral i, Ix i) => Array i Double -> (Array i Double, Array i Double, Array i Double, Array i Double) Source #

write_fft_info :: (Ix i, Integral i) => String -> Array i (Complex Double) -> IO () Source #

write_rfft_info :: String -> Array Int Double -> IO () Source #