--- trunk/OOPSE/libmdtools/ExtendedSystem.hpp	2003/04/04 01:57:45	455
+++ trunk/OOPSE/libmdtools/ExtendedSystem.hpp	2003/04/04 19:16:11	457
@@ -14,20 +14,25 @@ class ExtendedSystem{ (public)
   virtual ~ExtendedSystem() {}
 
   void setQmass(double q) {qmass = q;}
+  void setTauRelax(double tr) {tauRelax = tr;}
   void setTargetTemp(double tt) {targetTemp = tt;}
   void setTargetPressure(double tp) {targetPressure = tp;}
   
-  void NoseHooverNVT(double dt);
-  void NoseHooverAndersonNPT(double dt);
-  void AffineTransform(double scale);
+  void NoseHooverNVT(double dt, double ke);
+  void NoseHooverAndersonNPT(double dt, double ke, double p_mol);
+  void AffineTransform(double oldBox[3], double newBox[3]);
 
 protected:
 
+  // zeta and epsilonDot are propagated
   double zeta;
+  double epsilonDot;
+
+  // qmass, tauRelax, targetTemp, and targetPressure are parameters that
+  // must be set
   double qmass;
   double targetTemp;
   double targetPressure;
-  double epsilonScale;
-  double epsilonDot;
+  double tauRelax;
 
 };