--- trunk/OOPSE/staticProps/PairCorrType.cpp	2003/10/17 21:18:25	809
+++ trunk/OOPSE/staticProps/PairCorrType.cpp	2003/10/17 21:19:07	810
@@ -1,6 +1,7 @@
 #include <iostream>
 #include <cstdlib>
 #include <cstring>
+#include <math.h>
 
 #include "simError.h"
 #include "PairCorrType.hpp"
@@ -101,7 +102,7 @@ void PairCorrType::setFrameVolume( double theVolume ){
   if( isSelfSelf ) pairDensity = nAtoms1 * (nAtoms1 - 1) / volume;
   else  pairDensity = nAtoms1 * nAtoms2 / volume;
 
-  pairConstant = ( 4.0 * M_PI * pairDens ) / 3.0;
+  pairConstant = ( 4.0 * M_PI * pairDensity ) / 3.0;
   
 }