#ifndef _FACTORTAB_H
#define _FACTORTAB_H
#include "sys.h"

#define		TEMPERATURE_HIGH_LEVEL		40
#define		TEMPERATURE_LOW_LEVEL		-10
#define		TEMPERATURE_TAB				1
#define		PRESSURE_HIGH_LEVEL			1600
#define		PRESSURE_LOW_LEVEL			100
#define		PRESSURE_TAB					20

#define		PRESSURE_NUM_ONE_TEMP		(((PRESSURE_HIGH_LEVEL - PRESSURE_LOW_LEVEL)/PRESSURE_TAB) + 1)
#define		TEMPERATURE_NUM				((TEMPERATURE_HIGH_LEVEL - TEMPERATURE_LOW_LEVEL) + 1)

#define		TABLE1							1
#define		TABLE2							2
#define		TABLE3							3

float 	get_factor(float temperature, float pressure, u8 tabfactnum);
float	  	getstandardcompressibility(float fact, float temperature, float pressure, u8 tabfactnum);
#endif