--- trunk/src/integrators/NPT.cpp	2005/05/27 21:11:24	545
+++ trunk/src/integrators/NPT.cpp	2005/05/29 00:06:14	546
@@ -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);    
+    }
+    
 }