GNU Radio 3.6.5 C++ API

iir_filter_ffd_impl.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004,2012 Free Software Foundation, Inc.
00004  *
00005  * This file is part of GNU Radio
00006  *
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  *
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_IIR_FILTER_FFD_IMPL_H
00024 #define INCLUDED_IIR_FILTER_FFD_IMPL_H
00025 
00026 #include <filter/iir_filter.h>
00027 #include <filter/iir_filter_ffd.h>
00028 
00029 namespace gr {
00030   namespace filter {
00031 
00032     class FILTER_API iir_filter_ffd_impl : public iir_filter_ffd
00033     {
00034     private:
00035       bool d_updated;
00036       kernel::iir_filter<float,float,double> *d_iir;
00037       std::vector<double> d_new_fftaps;
00038       std::vector<double> d_new_fbtaps;
00039 
00040     public:
00041       iir_filter_ffd_impl(const std::vector<double> &fftaps,
00042                           const std::vector<double> &fbtaps);
00043       ~iir_filter_ffd_impl();
00044 
00045       void set_taps(const std::vector<double> &fftaps,
00046                     const std::vector<double> &fbtaps);
00047 
00048       int work(int noutput_items,
00049                gr_vector_const_void_star &input_items,
00050                gr_vector_void_star &output_items);
00051     };
00052 
00053   } /* namespace filter */
00054 } /* namespace gr */
00055 
00056 #endif /* INCLUDED_IIR_FILTER_FFD_IMPL_H */