TotalCovariance.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/Polarimetry/Pulsar/TotalCovariance.h
 
#ifndef __Calibration_TotalCovariance_H
#define __Calibration_TotalCovariance_H
 
#include "Pulsar/TemplateUncertainty.h"
#include "Matrix.h"
 
namespace Calibration {

  class TotalCovariance : public TemplateUncertainty {
 
  public:

    TotalCovariance ();

    TotalCovariance* clone () const;

    void add (const Uncertainty*);

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

    void set_optimizing_transformation (const Matrix<4,4,double>& opt);

    double get_weighted_norm (const Jones<double>&) const;
    
    Jones<double> get_weighted_conjugate (const Jones<double>&) const;
 
  protected:

    Matrix<4,4,double> observation_covariance;
 
    bool observation_covariance_set;

    Matrix<4,4,double> inv_covar;

    Matrix<4,4,double> optimizer;

    void build ();
 
  };
 
}
 
#endif