| 21 |  | double getTotalE(); // gets the total energy | 
| 22 |  |  | 
| 23 |  | double getTemperature(); // gives the instant temp. in K | 
| 24 | < | double getPressure(); // gives the instant pressure in amu*fs^-2*Ang^-1 | 
| 24 | > | double getPressure(); // gives the instant pressure in atm; | 
| 25 | > | void getPressureTensor(double pressure_tensor[9]); // gives the pressure | 
| 26 | > | // tensor in | 
| 27 | > | // amu*fs^-2*Ang^-1 | 
| 28 |  |  | 
| 29 |  | int getNDF();    // get the number of degrees of freedom in the system | 
| 30 |  | int getNDFraw(); // get the number of raw degrees of freedom in the system |