Ian,
Do you (or know someone who might) have a complex FFT that works in Double
Precision? A Radix 8/4/2 would be great or even one that was a simple Radix
2. I don't have to deal with dimensions above 16384, but the added precision
is necessary. Currently I'm using a piece of code translated from Fortran
that works but is pretty far from optimal.
I've been looking at making a double precision version of John Green's code
(G3 optimized), but was unsure about the number of double precision FP
registers I'm allowed to use.
-Chris Russ
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