CodeUnits.H

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#ifndef _CODE_UNITS_H_
#define _CODE_UNITS_H_


#include "REAL.H"
#include "MayDay.H"



class CodeUnits 
{
public:
  CodeUnits();

  CodeUnits(const Real& a_unitTime,
            const Real& a_unitLength,
            const Real& a_unitDensity);

  CodeUnits(const CodeUnits& a_input);

  virtual ~CodeUnits();

  void define();

  void define(const Real& a_unitTime,
              const Real& a_unitLength,
              const Real& a_unitDensity);

  void define(const CodeUnits& a_input);

  void operator=(const CodeUnits& a_input);

  Real length() const;

  Real massDensity() const;

  Real velocity() const;

  Real time() const; 

  Real pressure() const; 

  Real temperature() const; 

  Real hydrogenMassFraction() const;

  Real heliumMassFraction() const;

  Real numDensityHydrogen() const;

  Real numDensityHelium() const;  

  bool isDefined() const;  

private:

  bool m_isDefined;

  Real m_unitLength;  

  Real m_unitMassDensity;

  Real m_unitVelocity;

  Real m_unitTime;

  Real m_unitTemperature;

  Real m_unitPressure;

  Real m_unitNumDensHydrogen;

  Real m_unitNumDensHelium;

  Real m_hydrogenMassFraction;

  Real m_heliumMassFraction;
};

#endif

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