--- trunk/OOPSE-2.0/src/integrators/NPT.cpp	2005/04/15 22:04:00	2204
+++ trunk/OOPSE-2.0/src/integrators/NPT.cpp	2005/05/29 00:06:14	2243
@@ -336,6 +336,18 @@ namespace oopse {
     currentSnapshot_->setIntegralOfChiDt(integralOfChidt);    
 
     saveEta();
+  }
+
+  void NPT::resetIntegrator(){
+      currentSnapshot_->setChi(0.0);
+      currentSnapshot_->setIntegralOfChiDt(0.0);
+      resetEta();
   }
 
+
+    void NPT::resetEta() {
+      Mat3x3d etaMat(0.0);
+      currentSnapshot_->setEta(etaMat);    
+    }
+    
 }