Units.h

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// $Id$
 
// -----------------------------------------------------------------------
// The RootGM package of the Virtual Geometry Model
// Copyright (C) 2007, Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see vgm/LICENSE.
// Contact: ivana@ipno.in2p3.fr
// -----------------------------------------------------------------------
 
//
 
#ifndef ROOT_GM_UNITS_H
#define ROOT_GM_UNITS_H
 
#include "VGM/common/Axis.h"
 
namespace RootGM {
 
class Units
{
 public:
  // --> protected
  // Units();
  virtual ~Units();
 
  //
  // static get methods
  //
 
  static double Length();
 
  static double Angle();
 
  static double AxisUnit(VGM::Axis axis);
 
  static double MassDensity();
 
  static double AtomicWeight();
 
  static double Temperature();
 
  static double Pressure();
 
 protected:
  Units();
  // only static data members and methods
 
 private:
  // static data members
  static const double fgkLength;
  static const double fgkAngle;
  static const double fgkMassDensity;
  static const double fgkAtomicWeight;
  static const double fgkTemperature;
  static const double fgkPressure;
};
 
} // namespace RootGM
 
// inline methods
 
inline double RootGM::Units::Length() { return fgkLength; }
inline double RootGM::Units::Angle() { return fgkAngle; }
inline double RootGM::Units::MassDensity() { return fgkMassDensity; }
inline double RootGM::Units::AtomicWeight() { return fgkAtomicWeight; }
inline double RootGM::Units::Temperature() { return fgkTemperature; }
inline double RootGM::Units::Pressure() { return fgkPressure; }
 
#endif // ROOT_GM_UNITS_H