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/* -*- c++ -*- */
/*
* Copyright 2008,2013 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.
*/
// @WARNING@
#ifndef @GUARD_NAME@
#define @GUARD_NAME@
#include <blocks/api.h>
#include <gr_sync_block.h>
namespace gr {
namespace blocks {
/*!
* \brief output is the moving sum of the last N samples, scaled by the scale factor
* \ingroup level_controllers_blk
*/
class BLOCKS_API @NAME@ : virtual public gr_sync_block
{
public:
// gr::blocks::@NAME@::sptr
typedef boost::shared_ptr<@NAME@> 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.
*/
static sptr make(int length, @O_TYPE@ scale,
int max_iter = 4096);
/*!
* Get the length used in the avaraging calculation.
*/
virtual int length() const = 0;
/*!
* Get the scale factor being used.
*/
virtual @O_TYPE@ scale() const = 0;
/*!
* Set both the length and the scale factor together.
*/
virtual void set_length_and_scale(int length, @O_TYPE@ scale) = 0;
/*!
* Set the length.
*/
virtual void set_length(int length) = 0;
/*!
* Set the scale factor.
*/
virtual void set_scale(@O_TYPE@ scale) = 0;
};
} /* namespace blocks */
} /* namespace gr */
#endif /* @GUARD_NAME@ */
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