/* Tank.h
   Class definition for tanks
   Specification: Laboratory 2 notes

   Author: J Morri
   Date:  Mar 25, 1998
*/

#define TRUE		1
#define FALSE		0

/**** Name of the class ****/
typedef struct tank *Tank;

/**** Methods for operating on the class ****/

/* Constructor */
Tank ConsTank( double height, double width, double depth );
/* Destructor */
void DestroyTank( Tank r );

/* Obtain the current dimensions */
double Height( Tank r );
double Length( Tank r );
double Depth( Tank r );

/* Obtain the current volume of liquid */
double CurVol( Tank t );
/* Obtain the space left for liquid */
double RemVol( Tank t );

/* Set the maximum safe capacity 
   if cap < physical volume of tank, the set safe capacity to cap and
       return TRUE
   else
       return FALSE
*/
int SetSafeCap( Tank t, double cap );


/* Fill the tank 
   if vol will fit in the tank, add vol to current volume and
       return TRUE
   else
       return FALSE
*/
int Fill( Tank t, double vol );

/* Drain the tank 
   if there is at least vol in the tank, take vol out and
       return TRUE
   else
       return FALSE
*/
int Drain( Tank t, double vol );