/* -*- c++ -*- */

/*

 * Copyright 2006, 2007 Free Software Foundation, Inc.

 * 

 * This file is part of GNU Radio

 * 

 * GNU Radio is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2, or (at your option)

 * any later version.

 * 

 * GNU Radio is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with GNU Radio; see the file COPYING.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street,

 * Boston, MA 02110-1301, USA.

 */

#include <vector>

GR_SWIG_BLOCK_MAGIC(gr,ofdm_correlator);

gr_ofdm_correlator_sptr 

gr_make_ofdm_correlator (unsigned int occupied_carriers, 

			 unsigned int fft_length,

			 unsigned int cplen,

			 const std::vector<gr_complex> &known_symbol1, 

			 const std::vector<gr_complex> &known_symbol2);

class gr_ofdm_correlator : public gr_sync_decimator

{

 protected:

  gr_ofdm_correlator (unsigned int occupied_carriers,

		      unsigned int fft_length,

		      unsigned int cplen,

		      const std::vector<gr_complex> &known_symbol1, 

		      const std::vector<gr_complex> &known_symbol2);

 public:

  float snr() { return d_snr_est; }

  int general_work(int noutput_items,

		   gr_vector_int &ninput_items,

		   gr_vector_const_void_star &input_items,

		   gr_vector_void_star &output_items);

};