--- trunk/src/applications/staticProps/GofZ.cpp	2010/05/10 17:28:26	1442
+++ trunk/src/applications/staticProps/GofZ.cpp	2012/08/22 02:28:28	1782
@@ -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).
  */
 
 #include <algorithm>
@@ -75,7 +76,7 @@ namespace OpenMD {
     RealType pairDensity = nPairs /volume * 2.0;
     RealType pairConstant = ( 2.0 * NumericConstant::PI * pairDensity );
 
-    for(int i = 0 ; i < histogram_.size(); ++i){
+    for(unsigned int i = 0 ; i < histogram_.size(); ++i){
 
       RealType zLower = i * deltaZ_;
       RealType zUpper = zLower + deltaZ_;
@@ -120,7 +121,7 @@ namespace OpenMD {
       rdfStream << "#selection1: (" << selectionScript1_ << ")\t";
       rdfStream << "selection2: (" << selectionScript2_ << ")\n";
       rdfStream << "#r\tcorrValue\n";
-      for (int i = 0; i < avgGofz_.size(); ++i) {
+      for (unsigned int i = 0; i < avgGofz_.size(); ++i) {
 	RealType z = deltaZ_ * (i + 0.5);
 	rdfStream << z << "\t" << avgGofz_[i]/nProcessed_ << "\n";
       }