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 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_RAIL_FF_H_
24 # define INCLUDED_GR_RAIL_FF_H_
26 #include <gr_sync_block.h>
29 * \brief clips input values to min, max
34 typedef boost::shared_ptr<gr_rail_ff> gr_rail_ff_sptr;
36 gr_rail_ff_sptr gr_make_rail_ff(float lo, float hi);
38 class gr_rail_ff : public gr_sync_block
40 friend gr_rail_ff_sptr gr_make_rail_ff (float lo, float hi);
42 float d_lo, d_hi; // the constant
43 gr_rail_ff(float lo, float hi);
46 float lo() const { return d_lo; }
47 void set_lo(float lo) { d_lo = lo; }
48 float hi() const { return d_hi; }
49 void set_hi(float hi) { d_hi = hi; }
51 int work(int noutput_items,
52 gr_vector_const_void_star &input_items,
53 gr_vector_void_star &output_items);