GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
sub_ff.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2014 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#ifndef INCLUDED_BLOCKS_SUB_FF_H
24#define INCLUDED_BLOCKS_SUB_FF_H
25
26#include <gnuradio/blocks/api.h>
27#include <gnuradio/sync_block.h>
28
29namespace gr {
30namespace blocks {
31
32/*!
33 * \brief output = input_0 - input_1 - ...)
34 * \ingroup math_operators_blk
35 *
36 * \details
37 * Subtract across all input streams.
38 */
39class BLOCKS_API sub_ff : virtual public sync_block
40{
41public:
42 // gr::blocks::sub_ff::sptr
43 typedef boost::shared_ptr<sub_ff> sptr;
44
45 static sptr make(size_t vlen = 1);
46};
47
48} /* namespace blocks */
49} /* namespace gr */
50
51#endif /* INCLUDED_BLOCKS_SUB_FF_H */
output = input_0 - input_1 - ...)
Definition: sub_ff.h:40
static sptr make(size_t vlen=1)
boost::shared_ptr< sub_ff > sptr
Definition: sub_ff.h:43
synchronous 1:1 input to output with history
Definition: sync_block.h:38
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
Include this header to use the message passing features.
Definition: basic_block.h:45