--- trunk/OOPSE/libmdtools/DirectionalAtom.hpp	2004/04/20 05:39:38	1126
+++ trunk/OOPSE/libmdtools/DirectionalAtom.hpp	2004/05/22 18:16:18	1187
@@ -54,6 +54,10 @@ class DirectionalAtom : public Atom { (public)
   void lab2Body( double r[3] );
   void body2Lab( double r[3] );
 
+  double getZangle( );
+  void setZangle( double zAng );
+  void addZangle( double zAng );
+
   // Four functions added for derivatives with respect to Euler Angles:
   // (Needed for minimization routines):