/* -*- c++ -*- */
/*
 * Copyright 2004,2012,2014 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 3, 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.
 */

#ifndef INCLUDED_IIR_FILTER_CCD_IMPL_H
#define INCLUDED_IIR_FILTER_CCD_IMPL_H

#include <gnuradio/filter/iir_filter.h>
#include <gnuradio/filter/iir_filter_ccd.h>

namespace gr {
namespace filter {

class FILTER_API iir_filter_ccd_impl : public iir_filter_ccd
{
private:
    bool d_updated;
    kernel::iir_filter<gr_complex, gr_complex, double, gr_complexd>* d_iir;
    std::vector<double> d_new_fftaps;
    std::vector<double> d_new_fbtaps;

public:
    iir_filter_ccd_impl(const std::vector<double>& fftaps,
                        const std::vector<double>& fbtaps,
                        bool oldstyle = true);
    ~iir_filter_ccd_impl();

    void set_taps(const std::vector<double>& fftaps, const std::vector<double>& fbtaps);

    int work(int noutput_items,
             gr_vector_const_void_star& input_items,
             gr_vector_void_star& output_items);
};

} /* namespace filter */
} /* namespace gr */

#endif /* INCLUDED_IIR_FILTER_CCD_IMPL_H */
