--- trunk/OOPSE/libmdtools/SimInfo.hpp	2003/04/04 19:47:19	458
+++ trunk/OOPSE/libmdtools/SimInfo.hpp	2003/04/09 04:06:43	483
@@ -48,6 +48,7 @@ class SimInfo{ (public)
 		       // no long range forces.
 
   int* identArray;     // array of unique identifiers for the atoms
+  int* molMembershipArray;  // map of atom numbers onto molecule numbers
 
   int n_constraints; // the number of constraints on the system