Ouch, I forgot these licence issues!

Then, ignore my request.

Didier

Thanks Pavel for your quick reply.

For now, my priority would be the 1D complex FFT,

with non- equidistant sampling in time and/or frequency (NNFFT).

In the future, support for DCT and DST of types I, II and IV would

be great, as well as their multi-dimensional extensions.

Note that I have no ideas how difficult it is to implement that in Advanpix

(NFFT relies on FFTW).

Also, since high precision allows huge number of nodes, a parallel 1D FFT

may be of practical interest. Again, I have no ideas how difficult/beneficial it

would be to implement it.

Didier