Program Listing for File Density.h

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#ifndef CRPROPA_DENSITY_H
#define CRPROPA_DENSITY_H

#include "crpropa/Units.h"
#include "crpropa/Vector3.h"
#include "crpropa/Referenced.h"

namespace crpropa {

class Density: public Referenced {
public:
        virtual ~Density() {
        }

        virtual double getDensity(const Vector3d &position) const {  // sum of all densities
                return 0;
        }

        virtual double getHIDensity(const Vector3d &position) const {
                return 0;
        }

        virtual double getHIIDensity(const Vector3d &position) const {
                return 0;
        }

        virtual double getH2Density(const Vector3d &position) const {
                return 0;
        }

        virtual double getNucleonDensity(const Vector3d &position) const {  // sum of nucleons (H2 with factor 2)
                return 0;
        }

        virtual bool getIsForHI() {
                return false;
        }

        virtual bool getIsForHII() {
                return false;
        }

        virtual bool getIsForH2() {
                return false;
        }

        virtual std::string getDescription() {
                return "Abstract Density Module\n";
        }
};

}  // namespace crpropa

#endif  // CRPROPA_DENSITY_H