/* University College London Dept of Physics Course in C++ 3C59 
| all rights reserved 1999 
|
| Utility: DECLARATION of the ThreeVector class
|
| This is the first attempt when only member variables
| have been introduced
|
|
| Author: P.Clarke 
*/


class ThreeVector 
{

  public: 

    float px ; 
    float py ;
    float pz ;


};