--- trunk/src/integrators/NPT.cpp	2005/04/15 22:04:00	507
+++ trunk/src/integrators/NPT.cpp	2005/10/13 22:26:47	665
@@ -66,7 +66,7 @@ namespace oopse {
 
       Globals* simParams = info_->getSimParams();
     
-      if (!simParams->getUseInitXSstate()) {
+      if (!simParams->getUseIntialExtendedSystemState()) {
         Snapshot* currSnapshot = info_->getSnapshotManager()->getCurrentSnapshot();
         currSnapshot->setChi(0.0);
         currSnapshot->setIntegralOfChiDt(0.0);
@@ -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);    
+    }
+    
 }