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 2, 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.
24 * WARNING: This file is automatically generated by generate_gr_fir_filter_XXX.py
25 * Any changes made to this file will be overwritten.
32 #include <gr_fir_filter_fff.h>
33 #include <gr_fir_fff.h>
34 #include <gr_fir_util.h>
35 #include <gr_io_signature.h>
37 gr_fir_filter_fff_sptr gr_make_fir_filter_fff (int decimation, const std::vector<float> &taps)
39 return gr_fir_filter_fff_sptr (new gr_fir_filter_fff (decimation, taps));
43 gr_fir_filter_fff::gr_fir_filter_fff (int decimation, const std::vector<float> &taps)
44 : gr_sync_decimator ("fir_filter_fff",
45 gr_make_io_signature (1, 1, sizeof (float)),
46 gr_make_io_signature (1, 1, sizeof (float)),
50 d_fir = gr_fir_util::create_gr_fir_fff (taps);
51 set_history (d_fir->ntaps ());
54 gr_fir_filter_fff::~gr_fir_filter_fff ()
60 gr_fir_filter_fff::set_taps (const std::vector<float> &taps)
67 gr_fir_filter_fff::work (int noutput_items,
68 gr_vector_const_void_star &input_items,
69 gr_vector_void_star &output_items)
71 float *in = (float *) input_items[0];
72 float *out = (float *) output_items[0];
75 d_fir->set_taps (d_new_taps);
76 set_history (d_fir->ntaps ());
78 return 0; // history requirements may have changed.
81 if (decimation() == 1)
82 d_fir->filterN (out, in, noutput_items);
85 d_fir->filterNdec (out, in, noutput_items, decimation());