Flux.h

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// $Id: Flux.h,v 1.1.1.1 2009/07/06 23:57:25 eml Exp $

#ifndef GCP_UTIL_FLUX_H
#define GCP_UTIL_FLUX_H

#include <iostream>

#include "gcp/util/common/ConformableQuantity.h"
#include "gcp/util/common/Frequency.h"
#include "gcp/util/common/Temperature.h"
#include "gcp/util/common/SolidAngle.h"

namespace gcp {
  namespace util {

    class Flux : public ConformableQuantity {
    public:

      class Jansky {};
      class MilliJansky {};
      class MegaJansky {};

      Flux();
      Flux(const Jansky& units, double Jy);
      Flux(const MilliJansky& units, double mJy);
      Flux(const MegaJansky& units, double MJy);
      Flux(Frequency& freq, Temperature& temp, SolidAngle& omega);

      virtual ~Flux();

      void setJy(double Jy);
      void setMilliJy(double mJy);
      void setMegaJy(double MJy);

      // Return the flux, in Jy

      inline double Jy() {
    return Jy_;
      }

      // Return the flux, in mJy

      inline double mJy() {
    return Jy_ * mJyPerJy_;
      }

      static const double mJyPerJy_;
      static const double JyPerMJy_;

      void initialize();

      friend std::ostream& gcp::util::operator<<(std::ostream& os, Flux& flux);

      bool operator>=(Flux& flux);
      bool operator<=(Flux& flux);

    private:

      double Jy_;

    }; // End class Flux

  } // End namespace util
} // End namespace gcp



#endif // End #ifndef GCP_UTIL_FLUX_H