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., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
30 #include <gr_io_signature.h>
33 gr_make_@BASE_NAME@ (size_t nitems_per_block)
35 return @SPTR_NAME@ (new @NAME@ (nitems_per_block));
38 @NAME@::@NAME@ (size_t nitems_per_block)
39 : gr_sync_block ("@BASE_NAME@",
40 gr_make_io_signature (1, -1, sizeof (@I_TYPE@)*nitems_per_block),
41 gr_make_io_signature (1, 1, sizeof (@O_TYPE@)*nitems_per_block))
46 @NAME@::work (int noutput_items,
47 gr_vector_const_void_star &input_items,
48 gr_vector_void_star &output_items)
50 @O_TYPE@ *optr = (@O_TYPE@ *) output_items[0];
52 int ninputs = input_items.size ();
53 int nitems_per_block = output_signature()->sizeof_stream_item(0)/sizeof(@I_TYPE@);
55 for (int i = 0; i < noutput_items; i++){
56 for (int j = 0; j < nitems_per_block; j++){
57 @I_TYPE@ acc = ((@I_TYPE@ *) input_items[0])[i*nitems_per_block+j];
58 for (int k = 1; k < ninputs; k++)
59 acc += ((@I_TYPE@ *) input_items[k])[i*nitems_per_block+j];
61 *optr++ = (@O_TYPE@) acc;