3 * Copyright 2008 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 3, 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.
28 #include <gr_sync_block.h>
32 typedef boost::shared_ptr<@NAME@> @SPTR_NAME@;
34 @SPTR_NAME@ gr_make_@BASE_NAME@ (int length, @O_TYPE@ scale, int max_iter = 4096);
37 * \brief output is the moving sum of the last N samples, scaled by the scale factor
40 * max_iter limits how long we go without flushing the accumulator
41 * This is necessary to avoid numerical instability for float and complex.
43 class @NAME@ : public gr_sync_block
46 friend @SPTR_NAME@ gr_make_@BASE_NAME@(int length, @O_TYPE@ scale, int max_iter);
48 @NAME@ (int length, @O_TYPE@ scale, int max_iter = 4096);
61 int work (int noutput_items,
62 gr_vector_const_void_star &input_items,
63 gr_vector_void_star &output_items);
65 int length() const { return d_new_length; }
66 @O_TYPE@ scale() const { return d_new_scale; }
68 void set_length_and_scale(int length, @O_TYPE@ scale);
71 #endif /* @GUARD_NAME@ */