FFT

Short:        Optimized Fast Fourier Transform tools.
Author:       Jerry Kallaus
Architecture: m68k-amigaos
Source:       Fish collection

Highly optimized Fast Fourier Transform tools for digital signal
processing.  The FFT can be used to compute the frequency spectrum of a
complex signal.  It is useful in a variety of different applications.
Floating point and integer versions.  Mixture of high level and assembly
language code.