dsp-0.2.1: Haskell Digital Signal Processing

Portabilityportable
Stabilityexperimental
Maintainerm.p.donadio@ieee.org

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 bSource

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

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

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

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 bSource

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

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

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

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) => [Char] -> Array i (Complex Double) -> IO ()Source

write_rfft_info :: [Char] -> Array Int Double -> IO ()Source