ALGORITHMS

Radix-2 Decimation in Frequency (RAD2) - J.W.Cooley ad J.W.Tukey, 1965

Radix-4 Decimation in Frequency (RAD4) - G. D. Bergland, 1968

Split-Radix (SRFFT) - P. Duhamal and H. Hollmann, 1984

Fast Hartley Transform (FHT) - R.N. Bracewell, 1984

Quick Fourier Transform (QFT) - C.S.Burrus, H. Guo and G.A. Sitton, 1994

Decimation-in-time-frequency (DITF) - Ali Saidi, 1994