/* -*- c++ -*- */

/*

 * Copyright 2005,2006 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.

 */

#include <math.h>

/*!

 * \brief high performance Automatic Gain Control class

 *

 * Power is approximated by absolute value

 */

class gri_agc2_ff {

 public:

  gri_agc2_ff (float attack_rate = 1e-1, float decay_rate = 1e-2,

	       float reference = 1.0, float gain = 1.0, float max_gain = 0.0);

  float attack_rate ();

  float decay_rate ();

  float reference ();

  float gain ();

  float max_gain ();

  void set_attack_rate (float rate);

  void set_decay_rate (float rate);

  void set_reference (float reference);

  void set_gain (float gain);

  void set_max_gain (float max_gain);

  };