GNU Radio 3.6.5 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2008,2013 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 overwritten 00024 00025 #ifndef INCLUDED_BLOCKS_MOVING_AVERAGE_FF_H 00026 #define INCLUDED_BLOCKS_MOVING_AVERAGE_FF_H 00027 00028 #include <blocks/api.h> 00029 #include <gr_sync_block.h> 00030 00031 namespace gr { 00032 namespace blocks { 00033 00034 /*! 00035 * \brief output is the moving sum of the last N samples, scaled by the scale factor 00036 * \ingroup level_controllers_blk 00037 */ 00038 class BLOCKS_API moving_average_ff : virtual public gr_sync_block 00039 { 00040 public: 00041 // gr::blocks::moving_average_ff::sptr 00042 typedef boost::shared_ptr<moving_average_ff> sptr; 00043 00044 /*! 00045 * Create a moving average block. 00046 * 00047 * \param length Number of samples to use in the average. 00048 * \param scale scale factor for the result. 00049 * \param max_iter limits how long we go without flushing the accumulator 00050 * This is necessary to avoid numerical instability for float and complex. 00051 */ 00052 static sptr make(int length, float scale, 00053 int max_iter = 4096); 00054 00055 /*! 00056 * Get the length used in the avaraging calculation. 00057 */ 00058 virtual int length() const = 0; 00059 00060 /*! 00061 * Get the scale factor being used. 00062 */ 00063 virtual float scale() const = 0; 00064 00065 /*! 00066 * Set both the length and the scale factor together. 00067 */ 00068 virtual void set_length_and_scale(int length, float scale) = 0; 00069 00070 /*! 00071 * Set the length. 00072 */ 00073 virtual void set_length(int length) = 0; 00074 00075 /*! 00076 * Set the scale factor. 00077 */ 00078 virtual void set_scale(float scale) = 0; 00079 }; 00080 00081 } /* namespace blocks */ 00082 } /* namespace gr */ 00083 00084 #endif /* INCLUDED_BLOCKS_MOVING_AVERAGE_FF_H */