vector-fftw

This package provides bindings to the fftw library for one-dimensional vectors. It provides both high-level functions and more low-level manipulation of fftw plans. We provide three different modules which wrap fftw's operations: Numeric.FFT.Vector.Unnormalized contains the raw transforms; Numeric.FFT.Vector.Invertible scales the backwards transforms to be true inverses; Numeric.FFT.Vector.Unitary additionally scales all transforms to preserve the L2 (sum-of-squares) norm of the input. Note that this package is currently not thread-safe.