On Sat, 29 Jan 2005 19:44:47 +0000 Steve Harris <S.W.Harris@xxxxxxxxxxxxxxx> wrote: > I'd recommend the half-complex format, it makes hte FFT much faster and > reduces the ammount of memory you have to touch. The only pain is that the > format is a bit wierd to work with. I see. Plus the simultaenous forward and backward memory access during the complex multiply [as noted in brutefir docs]. This can be pretty easily plugged in when i have my head free to grok how to do the multiplication in the half complex format [some days from now on]. Flo -- Palimm Palimm! http://affenbande.org/~tapas/