GNU Radio 3.5.3.2 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 // WARNING: this file is machine generated. Edits will be over written 00024 00025 #ifndef INCLUDED_GR_NOISE_SOURCE_F_H 00026 #define INCLUDED_GR_NOISE_SOURCE_F_H 00027 00028 #include <gr_core_api.h> 00029 #include <gr_sync_block.h> 00030 #include <gr_noise_type.h> 00031 #include <gr_random.h> 00032 00033 00034 class gr_noise_source_f; 00035 typedef boost::shared_ptr<gr_noise_source_f> gr_noise_source_f_sptr; 00036 00037 /*! \brief Make a noise source 00038 * \param type the random distribution to use (see gr_noise_type.h) 00039 * \param ampl a scaling factor for the output 00040 * \param seed seed for random generators. Note that for uniform and 00041 * Gaussian distributions, this should be a negative number. 00042 */ 00043 GR_CORE_API gr_noise_source_f_sptr 00044 gr_make_noise_source_f (gr_noise_type_t type, float ampl, long seed = 0); 00045 00046 /*! 00047 * \brief Random number source 00048 * \ingroup source_blk 00049 * 00050 * \details 00051 * Generate random values from different distributions. 00052 * Currently, only Gaussian and uniform are enabled. 00053 * 00054 * \param type the random distribution to use (see gr_noise_type.h) 00055 * \param ampl a scaling factor for the output 00056 * \param seed seed for random generators. Note that for uniform and 00057 * Gaussian distributions, this should be a negative number. 00058 */ 00059 class GR_CORE_API gr_noise_source_f : public gr_sync_block { 00060 friend GR_CORE_API gr_noise_source_f_sptr 00061 00062 gr_make_noise_source_f (gr_noise_type_t type, float ampl, long seed); 00063 00064 gr_noise_type_t d_type; 00065 float d_ampl; 00066 gr_random d_rng; 00067 00068 gr_noise_source_f (gr_noise_type_t type, float ampl, long seed = 0); 00069 00070 public: 00071 void set_type (gr_noise_type_t type) { d_type = type; } 00072 void set_amplitude (float ampl) { d_ampl = ampl; } 00073 00074 gr_noise_type_t type () const { return d_type; } 00075 float amplitude () const { return d_ampl; } 00076 00077 virtual int work (int noutput_items, 00078 gr_vector_const_void_star &input_items, 00079 gr_vector_void_star &output_items); 00080 }; 00081 00082 00083 #endif