Ah - I should have RTFM. I am not used to using the FFTW library with real-valued input vectors. Thanks! Steve
> On Jul 2, 2017, at 10:54 AM, Bill Somerville <g4...@classdesign.com> wrote: > > On 02/07/2017 16:47, Steven Franke wrote: >> So why did you need to add the extra element at the end of cx? > > The real input generates a complex DFT with one extra element sizeof(input)/2 > + 1. > > http://www.fftw.org/fftw3_doc/Real_002ddata-DFT-Array-Format.html#Real_002ddata-DFT-Array-Format > > 73 > Bill > G4WJS. > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
