#ifndef TPX_WATER_H
#define TPX_WATER_H

#include "Sub.h"

namespace tpx {

class water : public Substance{
public:
	water() {}
        ~water() {}

	double MolWt();
	double Tcrit();
    double Pcrit();
	double Vcrit();
	double Tmin();
	double Tmax();
	char * name();
	char * formula();

	double Pp();
	double up();
	double sp();
	double Psat();
    double dPsatdT();
        
private:
	double ldens();
	double C(int i);
	double Cprime(int i);
	double I(int i);
	double H(int i);
};

}
#endif // ! WATER_H