GNU Radio 3.6.4.1 C++ API
rms_ff_impl.h
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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
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10  * any later version.
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15  * GNU General Public License for more details.
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22 
23 #ifndef INCLUDED_BLOCKS_RMS_FF_IMPL_H
24 #define INCLUDED_BLOCKS_RMS_FF_IMPL_H
25 
26 #include <blocks/rms_ff.h>
27 #include <gr_single_pole_iir.h>
28 
29 namespace gr {
30  namespace blocks {
31 
32  /*!
33  * \brief RMS average power
34  * \ingroup math_blk
35  */
36  class rms_ff_impl : public rms_ff
37  {
38  private:
40 
41  public:
42  rms_ff_impl(double alpha = 0.0001);
43  ~rms_ff_impl();
44 
45  void set_alpha(double alpha);
46 
47  int work(int noutput_items,
48  gr_vector_const_void_star &input_items,
49  gr_vector_void_star &output_items);
50  };
51 
52  } /* namespace blocks */
53 } /* namespace gr */
54 
55 #endif /* INCLUDED_BLOCKS_RMS_FF_IMPL_H */