TemplateUncertainty.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/Polarimetry/Pulsar/TemplateUncertainty.h
 
#ifndef __Calibration_TemplateUncertainty_H
#define __Calibration_TemplateUncertainty_H
 
#include "Pulsar/ObservationUncertainty.h"
#include "MEAL/Complex2.h"
 
namespace Calibration {

  class TemplateUncertainty : public ObservationUncertainty
  {
 
  public:

    TemplateUncertainty ();

    TemplateUncertainty* clone () const;

    void add (const Uncertainty*);

    void set_variance (const Stokes<double>& var);

    void set_template_variance (const Stokes<double>& var);

    void set_variance (const Stokes< std::complex<double> >& var);

    void set_template_variance (const Stokes< std::complex<double> >& var);

    void set_transformation (MEAL::Complex2* transformation);
    const MEAL::Complex2* get_transformation () const;

    virtual double get_weighted_norm (const Jones<double>&) const;
    
    virtual Jones<double> get_weighted_conjugate (const Jones<double>&) const;

    virtual Stokes< std::complex<double> >
    get_weighted_components (const Jones<double>&) const;
 
  protected:

    Stokes< std::complex<double> > observation_variance;

    Stokes< std::complex<double> > template_variance;

    Reference::To<MEAL::Complex2> transformation;

    bool built;

    void changed (MEAL::Function::Attribute a);

    virtual void build ();
 
    void check_build () const;
  };
 
}
 
#endif