--- branches/development/src/brains/SimInfo.hpp	2011/05/26 21:56:04	1570
+++ branches/development/src/brains/SimInfo.hpp	2011/11/22 20:38:56	1665
@@ -36,7 +36,8 @@
  * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
  * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
  * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
- * [4]  Vardeman & Gezelter, in progress (2009).                        
+ * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
+ * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
  */
  
 /**
@@ -166,6 +167,9 @@ namespace OpenMD{
       return nAtoms_;
     }
 
+    /** Returns the number of effective cutoff groups on local processor */
+    unsigned int getNLocalCutoffGroups();
+
     /** Returns the number of local bonds */        
     unsigned int getNBonds(){
       return nBonds_;
@@ -599,13 +603,12 @@ namespace OpenMD{
   public:
     vector<RealType> getMassFactors() { return massFactors_; }
 
-    PairList getExcludedInteractions() { return excludedInteractions_; }
-    PairList getOneTwoInteractions() { return oneTwoInteractions_; }
-    PairList getOneThreeInteractions() { return oneThreeInteractions_; }
-    PairList getOneFourInteractions() { return oneFourInteractions_; }
+    PairList* getExcludedInteractions() { return &excludedInteractions_; }
+    PairList* getOneTwoInteractions() { return &oneTwoInteractions_; }
+    PairList* getOneThreeInteractions() { return &oneThreeInteractions_; }
+    PairList* getOneFourInteractions() { return &oneFourInteractions_; }
 
   private:
-
                
     /// lists to handle atoms needing special treatment in the non-bonded interactions
     PairList excludedInteractions_;  /**< atoms excluded from interacting with each other */