1 /* -*- c++ -*- */
2 /*
3 * Copyright 2004,2009,2010,2012,2018 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
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 3, or (at your option)
10 * any later version.
11 *
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.
16 *
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.
21 */
22
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include "integrate_impl.h"
29 #include <gnuradio/io_signature.h>
30
31 namespace gr {
32 namespace blocks {
33
34 template <class T>
make(int decim,unsigned int vlen)35 typename integrate<T>::sptr integrate<T>::make(int decim, unsigned int vlen)
36 {
37 return gnuradio::get_initial_sptr(new integrate_impl<T>(decim, vlen));
38 }
39
40 template <class T>
integrate_impl(int decim,unsigned int vlen)41 integrate_impl<T>::integrate_impl(int decim, unsigned int vlen)
42 : sync_decimator("integrate",
43 io_signature::make(1, 1, sizeof(T) * vlen),
44 io_signature::make(1, 1, sizeof(T) * vlen),
45 decim),
46 d_decim(decim),
47 d_vlen(vlen)
48 {
49 }
50
51 template <class T>
work(int noutput_items,gr_vector_const_void_star & input_items,gr_vector_void_star & output_items)52 int integrate_impl<T>::work(int noutput_items,
53 gr_vector_const_void_star& input_items,
54 gr_vector_void_star& output_items)
55 {
56 const T* in = (const T*)input_items[0];
57 T* out = (T*)output_items[0];
58
59 for (int i = 0; i < noutput_items; i++) {
60 for (unsigned int j = 0; j < d_vlen; ++j) {
61 out[i * d_vlen + j] = (T)0;
62 }
63 for (int j = 0; j < d_decim; j++) {
64 for (unsigned int k = 0; k < d_vlen; ++k) {
65 out[i * d_vlen + k] += in[i * d_decim * d_vlen + j * d_vlen + k];
66 }
67 }
68 }
69
70 return noutput_items;
71 }
72
73 template class integrate<std::int16_t>;
74 template class integrate<std::int32_t>;
75 template class integrate<float>;
76 template class integrate<gr_complex>;
77 } /* namespace blocks */
78 } /* namespace gr */
79