--- branches/development/src/flucq/FluctuatingChargePropagator.cpp	2012/07/05 17:08:25	1766
+++ trunk/src/flucq/FluctuatingChargePropagator.cpp	2013/08/01 18:23:07	1921
@@ -35,7 +35,7 @@
  *                                                                      
  * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
  * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
- * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
+ * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
  * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
  * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
  */
@@ -56,11 +56,13 @@ namespace OpenMD {
 namespace OpenMD {
 
   FluctuatingChargePropagator::FluctuatingChargePropagator(SimInfo* info) : 
-    info_(info), hasFlucQ_(false), forceMan_(NULL) {
+    info_(info), hasFlucQ_(false), forceMan_(NULL), initialized_(false) {
     
     Globals* simParams = info_->getSimParams();
-    fqParams_ = simParams->getFluctuatingChargeParameters();
+    fqParams_ = simParams->getFluctuatingChargeParameters();    
+  }
 
+  FluctuatingChargePropagator::~FluctuatingChargePropagator() {
   }
 
   void FluctuatingChargePropagator::setForceManager(ForceManager* forceMan) {
@@ -68,16 +70,19 @@ namespace OpenMD {
   }
 
   void FluctuatingChargePropagator::initialize() {
-
     if (info_->usesFluctuatingCharges()) {
       if (info_->getNFluctuatingCharges() > 0) {
         hasFlucQ_ = true;
-	fqConstraints_ = new FluctuatingChargeConstraints(info_);        
+	fqConstraints_ = new FluctuatingChargeConstraints(info_);
+	fqConstraints_->setConstrainRegions(fqParams_->getConstrainRegions());
       }
     }
+    
+    if (!hasFlucQ_) {
+      initialized_ = true;
+      return;
+    }
 
-    if (!hasFlucQ_) return;
-
     SimInfo::MoleculeIterator i;
     Molecule::FluctuatingChargeIterator  j;
     Molecule* mol;
@@ -92,22 +97,26 @@ namespace OpenMD {
       }
     }
     
-    fqConstraints_ = new FluctuatingChargeConstraints(info_);
-    FluctuatingChargeObjectiveFunction flucQobjf(info_, forceMan_, fqConstraints_);    
+    FluctuatingChargeObjectiveFunction flucQobjf(info_, forceMan_, 
+                                                 fqConstraints_);
+
     DynamicVector<RealType> initCoords = flucQobjf.setInitialCoords();
-    Problem problem(flucQobjf, *(new NoConstraint()), *(new NoStatus()), initCoords);
+    Problem problem(flucQobjf, *(new NoConstraint()), *(new NoStatus()), 
+                    initCoords);
+
     EndCriteria endCriteria(1000, 100, 1e-5, 1e-5, 1e-5);       
+
     OptimizationMethod* minim = OptimizationFactory::getInstance()->createOptimization("SD", info_);
 
-    DumpStatusFunction dsf(info_);  // we want a dump file written every iteration
-
+    DumpStatusFunction dsf(info_);  // we want a dump file written
+                                    // every iteration
     minim->minimize(problem, endCriteria);
-
+    initialized_ = true;
   }
 
   void FluctuatingChargePropagator::applyConstraints() {
+    if (!initialized_) initialize();
     if (!hasFlucQ_) return;
-
     fqConstraints_->applyConstraints();
   }
 }