1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005,2013 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_RMS_CF_IMPL_H
24 #define INCLUDED_BLOCKS_RMS_CF_IMPL_H
25 
26 #include <gnuradio/blocks/rms_cf.h>
27 
28 namespace gr {
29 namespace blocks {
30 
31 /*!
32  * \brief RMS average power
33  * \ingroup math_blk
34  */
35 class rms_cf_impl : public rms_cf
36 {
37 private:
38     double d_alpha, d_beta, d_avg;
39 
40 public:
41     rms_cf_impl(double alpha = 0.0001);
42     ~rms_cf_impl();
43 
44     void set_alpha(double alpha);
45 
46     int work(int noutput_items,
47              gr_vector_const_void_star& input_items,
48              gr_vector_void_star& output_items);
49 };
50 
51 } /* namespace blocks */
52 } /* namespace gr */
53 
54 #endif /* INCLUDED_BLOCKS_RMS_CF_IMPL_H */
55