3 * Copyright 2004,2007,2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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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)
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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_VCC_FFTW_H
24 #define INCLUDED_GR_FFT_VCC_FFTW_H
26 #include <gr_fft_vcc.h>
28 class gri_fft_complex;
31 gr_make_fft_vcc_fftw (int fft_size, bool forward, const std::vector<float> &window, bool shift=false);
34 * \brief Compute forward or reverse FFT. complex vector in / complex vector out.
37 * Concrete class that uses FFTW.
39 class gr_fft_vcc_fftw : public gr_fft_vcc
41 friend gr_fft_vcc_sptr
42 gr_make_fft_vcc_fftw (int fft_size, bool forward, const std::vector<float> &window, bool shift);
44 gri_fft_complex *d_fft;
46 gr_fft_vcc_fftw (int fft_size, bool forward, const std::vector<float> &window, bool shift);
51 int work (int noutput_items,
52 gr_vector_const_void_star &input_items,
53 gr_vector_void_star &output_items);
57 #endif /* INCLUDED_GR_FFT_VCC_FFTW_H */