On Mon, Oct 26, 2009 at 12:04 AM, Ralf Gommers <ralf.gomm...@googlemail.com>wrote:
> > > On Sun, Oct 25, 2009 at 11:51 PM, Charles R Harris < > charlesr.har...@gmail.com> wrote: > >> >> >> On Sun, Oct 25, 2009 at 4:21 PM, Ralf Gommers < >> ralf.gomm...@googlemail.com> 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. > > There are docs now for all six exposed functions (cfft*, rfft*): http://docs.scipy.org/numpy/docs/numpy.fft.fftpack_lite/ If anyone with knowledge of the differences between the C and Fortran versions could add a few notes at the above link, that would be great. Thanks, Ralf
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