#ifndef __DEPTH_H__
#define __DEPTH_H__

#define DEPTH_RHO_FRESHWATER (998.0)   // kg/m^3
#define DEPTH_RHO_SEAWATER   (1027.0)  // kg/m^3
#define DEPTH_GRAVITY        (9.81)    // m/s^2
#define DEPTH_P_ATM_NOMINAL  (101325.0) // 101325 Pa = 1 atm

#ifdef __cplusplus
extern "C" {
#endif

double
depth_dfs_simple (double p_gage);

#ifdef __cplusplus
}
#endif

#endif // __DEPTH_H__
