diff options
| author | Andrej Rode <mail@andrejro.de> | 2018-02-22 13:28:01 +0100 |
|---|---|---|
| committer | Andrej Rode <mail@andrejro.de> | 2018-08-25 20:21:23 +0200 |
| commit | 1043222e0de551f00683a1cc9060f194adc4fc85 (patch) | |
| tree | 663d4157d907f391cbe8934d4c131b981f350ae3 /gr-blocks/include/gnuradio/blocks/moving_average.h | |
| parent | aa844b050d5b658ab8d6961a3678251b65db7ce7 (diff) | |
blocks: replace gengen with C++ templates
Diffstat (limited to 'gr-blocks/include/gnuradio/blocks/moving_average.h')
| -rw-r--r-- | gr-blocks/include/gnuradio/blocks/moving_average.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gr-blocks/include/gnuradio/blocks/moving_average.h b/gr-blocks/include/gnuradio/blocks/moving_average.h new file mode 100644 index 0000000000..8448c45ded --- /dev/null +++ b/gr-blocks/include/gnuradio/blocks/moving_average.h @@ -0,0 +1,91 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008,2013,2017,2018 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + + +#ifndef MOVING_AVERAGE_H +#define MOVING_AVERAGE_H + +#include <gnuradio/blocks/api.h> +#include <gnuradio/sync_block.h> +#include <cstdint> + +namespace gr { + namespace blocks { + + /*! + * \brief output is the moving sum of the last N samples, scaled by the scale factor + * \ingroup level_controllers_blk + */ +template<class T> + class BLOCKS_API moving_average : virtual public sync_block + { + public: + // gr::blocks::moving_average::sptr + typedef boost::shared_ptr< moving_average<T> > sptr; + + /*! + * Create a moving average block. + * + * \param length Number of samples to use in the average. + * \param scale scale factor for the result. + * \param max_iter limits how long we go without flushing the accumulator + * This is necessary to avoid numerical instability for float and complex. + * \param vlen When > 1, do a per-vector-element moving average + */ + static sptr make(int length, T scale, + int max_iter = 4096, + unsigned int vlen = 1); + + /*! + * Get the length used in the avaraging calculation. + */ + virtual int length() const = 0; + + /*! + * Get the scale factor being used. + */ + virtual T scale() const = 0; + + /*! + * Set both the length and the scale factor together. + */ + virtual void set_length_and_scale(int length, T scale) = 0; + + /*! + * Set the length. + */ + virtual void set_length(int length) = 0; + + /*! + * Set the scale factor. + */ + virtual void set_scale(T scale) = 0; + }; + +typedef moving_average<std::int16_t> moving_average_ss; +typedef moving_average<std::int32_t> moving_average_ii; +typedef moving_average<float> moving_average_ff; +typedef moving_average<gr_complex> moving_average_cc; + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* MOVING_AVERAGE_H */ |