3 * Copyright 2006,2009 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.
23 #ifndef INCLUDED_GR_COPY_H
24 #define INCLUDED_GR_COPY_H
29 typedef boost::shared_ptr<gr_copy> gr_copy_sptr;
31 gr_copy_sptr gr_make_copy(size_t itemsize);
34 * \brief output[i] = input[i]
37 * When enabled (default), this block copies its input to its output.
38 * When disabled, this block drops its input on the floor.
41 class gr_copy : public gr_block
46 friend gr_copy_sptr gr_make_copy(size_t itemsize);
47 gr_copy(size_t itemsize);
51 bool check_topology(int ninputs, int noutputs);
53 void set_enabled(bool enable) { d_enabled = enable; }
54 bool enabled() const { return d_enabled;}
56 int general_work(int noutput_items,
57 gr_vector_int &ninput_items,
58 gr_vector_const_void_star &input_items,
59 gr_vector_void_star &output_items);