StokesCovariance.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2009 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/Polarimetry/Pulsar/StokesCovariance.h
 
#ifndef __Pulsar_StokesCovariance_h
#define __Pulsar_StokesCovariance_h
 
#include "Pulsar/Container.h"
 
#include "Stokes.h"
#include "Jones.h"
#include "Matrix.h"
 
namespace Pulsar {
 
  class FourthMoments;
  class Profile;

  class StokesCovariance : public Container {
    
  public:

    static const unsigned nmoment;

    StokesCovariance ();

    StokesCovariance (FourthMoments*);
    
    ~StokesCovariance();

    virtual StokesCovariance* clone () const;

    void resize (unsigned nbin);

    unsigned get_nbin () const;

    double get_nsample () const;
    
    const Profile* get_Profile (unsigned i) const;

    Profile* get_Profile (unsigned i);

    Matrix<4,4,double> get_covariance (unsigned ibin) const;

    void set_covariance (unsigned ibin, const Matrix<4,4,double>&);

    void scale (double scale);

    void rotate_phase (double turns);

    void transform (const Jones<double>& response);

    void transform (const Matrix<4,4,double>& response);
 
  protected:

    Reference::To<FourthMoments> covariance;
 
  };
 
}
 
 
#endif