Hi Ron, Thanks very much for this information! I will check out the links!
Regards George On Tue, Dec 14, 2021, 11:32 PM Ron Economos <[email protected]> wrote: > FFT support is built in to GNU Radio with FFTW. Here's how it's done. > First, define it in your foo_impl.h file. The options are fft_complex_fwd, > fft_complex_rev, fft_real_fwd and fft_real_rev. > > https://github.com/drmpeg/gr-paint/blob/master/lib/paint_bc_impl.h#L25 > > https://github.com/drmpeg/gr-paint/blob/master/lib/paint_bc_impl.h#L41 > > Then initialize it in your foo_impl.cc constructor. > > https://github.com/drmpeg/gr-paint/blob/master/lib/paint_bc_impl.cc#L47 > > Then execute it. > > > https://github.com/drmpeg/gr-paint/blob/master/lib/paint_bc_impl.cc#L175-L179 > > You'll need to add the component in the top level CMakeLists.txt. > > https://github.com/drmpeg/gr-paint/blob/master/CMakeLists.txt#L78 > > And link with it in lib/CMakeLists.txt > > https://github.com/drmpeg/gr-paint/blob/master/lib/CMakeLists.txt#L25 > > If you need a window, you can look at the block implementation file for > details. > > https://github.com/gnuradio/gnuradio/blob/master/gr-fft/lib/fft_v_fftw.cc > > Ron > On 12/14/21 7:53 PM, George Edwards wrote: > > Dear GNURadio Community: > > I am writing a C++ OOT block where the signal processing requires > the computation of both fft and ifft. Is there any Gnuradio C++ functions > for the fft and ifft? If not, is there any way to wrap in Python's > libraries with these methods into C++ OOT? > > Thank you! > > Regards, > George > >
