StokesCovariance.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/MEAL/MEAL/StokesCovariance.h
 
#ifndef __MEAL_StokesCovariance_H
#define __MEAL_StokesCovariance_H
 
#include "Pauli.h"
#include "Reference.h"
 
namespace MEAL {

  class StokesCovariance : public Reference::Able {
 
  public:

    StokesCovariance ();

    void set_variance (const Stokes<double>&);

    void set_transformation (const Jones<double>&);

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

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

    void set_transformation_gradient (const Jones<double>&);

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

    Matrix<4,4,double> get_covariance_gradient () const;

    Stokes<double> get_input_variance () const;
 
  protected:

    Stokes<double> input;

    Jones<double> jones;

    Jones<double> jones_grad;

    bool built;

    void build();

    Matrix<4,4,double> xform;

    Matrix<4,4,double> xform_grad;
 
  };
 
}
 
#endif