Invariant.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/MEAL/MEAL/Invariant.h
 
#ifndef __MEAL_Invariant_h
#define __MEAL_Invariant_h
 
#include "Stokes.h"
#include "Estimate.h"
#include "ScalarMath.h"
 
namespace MEAL {
 
  class Scalar;


 
  class Invariant : public Reference::Able {
 
  public:

    Invariant ();

    Invariant (const Invariant&);

    ~Invariant ();

    Invariant& operator = (const Invariant&);

    void set_Stokes (const Stokes< Estimate<float> >&);

    void set_Stokes (const Stokes< Estimate<double> >&);

    Estimate<double> get_invariant () const;

    double get_bias () const;

    ScalarMath get_correct_result () const;

    Stokes<ScalarMath> get_input () const { return input; }
 
  protected:

    Stokes<ScalarMath> input;

    ScalarMath bias;

    ScalarMath result;
 
  private:

    void init ();
 
  };
 
}
 
#endif