--- trunk/OOPSE/libmdtools/Integrator.hpp	2004/01/27 19:15:20	987
+++ trunk/OOPSE/libmdtools/Integrator.hpp	2004/02/03 20:43:08	1010
@@ -479,7 +479,7 @@ class OOPSEMinimizerBase : public RealIntegrator {
     OOPSEMinimizerBase ( SimInfo *theInfo, ForceFields* the_ff );
     virtual ~OOPSEMinimizerBase();
     
-    double calcGradient(const vector<double>& x, vector<double>& grad);
+    double calcGradient(vector<double>& x, vector<double>& grad);
     void setOptCoor(vector<double>& x);
     void getOptCoor(vector<double>& x);
     void output();