VariableGain.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2021 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/Polarimetry/Pulsar/VariableGain.h
 
#ifndef __CalibrationVariableGain_H
#define __CalibrationVariableGain_H
 
#include "MEAL/Complex2.h"
#include "MEAL/Gain.h"
#include "MEAL/ChainRule.h"
#include "MEAL/ScalarParameter.h"
 
#include "Estimate.h"
 
namespace Calibration {


 
  class VariableGain : public MEAL::ChainRule<MEAL::Complex2>
  {
 
  public:

    VariableGain ();

    VariableGain (const VariableGain& s);

    const VariableGain& operator = (const VariableGain& s);

    ~VariableGain ();

    Estimate<double> get_gain () const;

    void set_gain (const Estimate<double>& gain);

    void set_gain_variation (MEAL::Scalar*);

    const MEAL::Scalar* get_gain_variation () const;
 
    // ///////////////////////////////////////////////////////////////////
    //
    // Model implementation
    //
    // ///////////////////////////////////////////////////////////////////

    std::string get_name () const;
 
  protected:

    Reference::To< MEAL::Gain<MEAL::Complex2> > gain;

    Reference::To<MEAL::Scalar> gain_variation;
 
  private:

    void init ();
 
  };
 
}
 
#endif