GNU Radio Manual and C++ API Reference  3.7.9.2
The Free & Open Software Radio Ecosystem
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
nlog10_ff.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 2012 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_NLOG10_FF_H
24 #define INCLUDED_BLOCKS_NLOG10_FF_H
25 
26 #include <gnuradio/blocks/api.h>
27 #include <gnuradio/sync_block.h>
28 
29 namespace gr {
30  namespace blocks {
31 
32  /*!
33  * \brief output = n*log10(input) + k
34  * \ingroup math_operators_blk
35  */
36  class BLOCKS_API nlog10_ff : virtual public sync_block
37  {
38  public:
39 
40  // gr::blocks::nlog10_ff::sptr
41  typedef boost::shared_ptr<nlog10_ff> sptr;
42 
43  /*!
44  * \brief Make an instance of an nlog10_ff block.
45  * \param n Scalar multiplicative constant
46  * \param vlen Input vector length
47  * \param k Scalar additive constant
48  */
49  static sptr make(float n=1.0, size_t vlen=1, float k=0.0);
50  };
51 
52  } /* namespace blocks */
53 } /* namespace gr */
54 
55 #endif /* INCLUDED_BLOCKS_NLOG10_FF_H */
output = n*log10(input) + k
Definition: nlog10_ff.h:36
boost::shared_ptr< nlog10_ff > sptr
Definition: nlog10_ff.h:41
Include this header to use the message passing features.
Definition: logger.h:131
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37