unitsystem.h

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#ifndef UNIT_SYSTEM_H
#define UNIT_SYSTEM_H
 
/* System of units:
 * Convert from internal units into normal physical units.
 * The factors of h are left in.*/
struct UnitSystem {
    double UnitMass_in_g;       
    double UnitVelocity_in_cm_per_s;    
    double UnitLength_in_cm;        
    double UnitTime_in_s,       
           UnitDensity_in_cgs,      
           UnitEnergy_in_cgs;   
    double UnitInternalEnergy_in_cgs;  /*< factor to convert the internal unit of internal energy to cgs units */
};
 
/* Construct a unit system struct*/
struct UnitSystem get_unitsystem(const double UnitLength_in_cm, const double UnitMass_in_g, const double UnitVelocity_in_cm_per_s);
 
#endif