3 * Copyright 2004 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_GR_FFT_VFC_H
24 #define INCLUDED_GR_FFT_VFC_H
26 #include <gr_sync_block.h>
28 class gri_fft_complex;
31 typedef boost::shared_ptr<gr_fft_vfc> gr_fft_vfc_sptr;
34 gr_make_fft_vfc (int fft_size, bool forward, const std::vector<float>);
37 * \brief Compute forward FFT. float vector in / complex vector out.
41 class gr_fft_vfc : public gr_sync_block
43 friend gr_fft_vfc_sptr
44 gr_make_fft_vfc (int fft_size, bool forward, const std::vector<float> window);
46 unsigned int d_fft_size;
47 std::vector<float> d_window;
48 gri_fft_complex *d_fft;
50 gr_fft_vfc (int fft_size, bool forward, const std::vector<float> window);
55 int work (int noutput_items,
56 gr_vector_const_void_star &input_items,
57 gr_vector_void_star &output_items);
58 bool set_window(const std::vector<float> window);
62 #endif /* INCLUDED_GR_FFT_VFC_H */