
For info see:
  fxt.lsm       (short description)
  fxt.h         (function declarations)
  fxt.doc       (tiny documentation)
and
  mod/*         (numbertheoretic transforms)
  simplfft/fft.doc  (doc for the super-simple fft)


See also
  fhtorig.doc   (original fht stuff by Ron Mayer)
  pfafft.doc    (doc for the prime factor fft)
  pfafft.h      (pfafft function declarations)
  pfabench.txt  (benchmark for the prime factor fft)


a text about fft algorithms is in fxtremarks.dvi/fxtremarks.ps
