On 22 Jun, 09:18, HyeeWang <hyeew...@gmail.com> wrote:
> Any random length FFT algorithm can work? *Here I am emphasizing a
> FAST algo and implementation other than ordinary DFT. Where can I
> download such a FAST FFT algo and implementation (c or matlab)?

www.fftw.org/ is a link that is often mentioned when these
questions come up.

Rune