GNU Radio Manual and C++ API Reference  3.7.4
The Free & Open Software Radio Ecosystem
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
fastnoise_source_s.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 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 // WARNING: this file is machine generated. Edits will be overwritten
24 
25 #ifndef INCLUDED_ANALOG_FASTNOISE_SOURCE_S_H
26 #define INCLUDED_ANALOG_FASTNOISE_SOURCE_S_H
27 
28 #include <gnuradio/analog/api.h>
30 #include <gnuradio/sync_block.h>
31 
32 namespace gr {
33  namespace analog {
34 
35  /*!
36  * \brief Random number source
37  * \ingroup source_blk
38  *
39  * \details
40  * Generate random values from different distributions.
41  * Currently, only Gaussian and uniform are enabled.
42  */
43  class ANALOG_API fastnoise_source_s : virtual public sync_block
44  {
45  public:
46  // gr::analog::fastnoise_source_s::sptr
48 
49  /*! \brief Make a fast noise source
50  * \param type the random distribution to use (see gnuradio/analog/noise_type.h)
51  * \param ampl a scaling factor for the output; for Gaussian sources, this is the std. dev.
52  * \param seed seed for random generators. Note that for uniform and
53  * Gaussian distributions, this should be a negative number.
54  * \param samples Number of samples to pre-generate
55  */
56  static sptr make(noise_type_t type, float ampl,
57  long seed = 0, long samples=1024*16);
58  virtual short sample() = 0;
59  virtual short sample_unbiased() = 0;
60 
61  virtual void set_type(noise_type_t type) = 0;
62  virtual void set_amplitude(float ampl) = 0;
63 
64  virtual noise_type_t type() const = 0;
65  virtual float amplitude() const = 0;
66  };
67 
68  } /* namespace analog */
69 } /* namespace gr */
70 
71 
72 #endif /* INCLUDED_ANALOG_FASTNOISE_SOURCE_S_H */
boost::shared_ptr< fastnoise_source_s > sptr
Definition: fastnoise_source_s.h:47
noise_type_t
Definition: noise_type.h:29
shared_ptr documentation stub
Definition: shared_ptr_docstub.h:15
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37
Random number source.
Definition: fastnoise_source_s.h:43
#define ANALOG_API
Definition: gr-analog/include/gnuradio/analog/api.h:30