[Haskell-cafe] ANN: two new packages: carray, fft

Henning Thielemann lemming at henning-thielemann.de
Fri Feb 15 07:47:45 EST 2008

On Thu, 14 Feb 2008, Jed Brown wrote:

> Hopefully these are mature enough to be generally useful.  I would
> appreciate any comments regarding the interface.  The FFTW API is not
> particularly nice for building a pure interface on.

because FFTW stores global data (called 'plan's)

>  Some of the transforms could be made slightly faster at the expense of
> a much nastier interface, but unless someone needs the extra few
> percent, or is pushing the memory limits on their machine, I'm not
> inclined to expose the underlying nastiness.

I want to mention once again that there is already a Fast Fourier
transform for arbitrary length that is coded entirely in Haskell.

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