[Numpy-discussion] fftpack_lite question
Sun Oct 25 18:04:29 CDT 2009
On Sun, Oct 25, 2009 at 11:51 PM, Charles R Harris <
> On Sun, Oct 25, 2009 at 4:21 PM, Ralf Gommers <firstname.lastname@example.org
> > wrote:
>> Hi all,
>> Can anyone tell me if fftpack_lite is an exact C translation of the
>> fftpack Fortran code? Or at least close enough that the signature, parameter
>> descriptions and algorithm are the same?
>> If so, I can use the fftpack Fortran sources (which have useful comments)
>> to write docs for fftpack_lite funcs (rfft* and cfft*).
> fft_pack is an interface to a c translation of fftpack. IIRC, it adds some
> stuff like zerofill and such so it isn't a1-1 matchup. I think it is pretty
> close, though.
Okay, thanks. I'll start with the Fortran docs then, and someone familiar
with the differences could then easily throw in a few notes on that.
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