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root/OpenMD/branches/development/src/integrators/VelocityVerletIntegrator.cpp
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Comparing branches/development/src/integrators/VelocityVerletIntegrator.cpp (file contents):
Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 UTC vs.
Revision 1715 by gezelter, Tue May 22 21:55:31 2012 UTC

# Line 54 | Line 54 | namespace OpenMD {
54   #include "utils/ProgressBar.hpp"
55  
56   namespace OpenMD {
57 <  VelocityVerletIntegrator::VelocityVerletIntegrator(SimInfo *info) : Integrator(info), rotAlgo(NULL) {
57 >  VelocityVerletIntegrator::VelocityVerletIntegrator(SimInfo *info) : Integrator(info) {
58      dt2 = 0.5 * dt;
59 –    rotAlgo = new DLM();
60 –    rattle = new Rattle(info);
59    }
60    
61    VelocityVerletIntegrator::~VelocityVerletIntegrator() {
64 –    delete rotAlgo;
65 –    delete rattle;
62    }
63    
64    void VelocityVerletIntegrator::initialize(){
# Line 72 | Line 68 | namespace OpenMD {
68      // remove center of mass drift velocity (in case we passed in a
69      // configuration that was drifting)
70      velocitizer_->removeComDrift();
71 +
72 +    // find the initial fluctuating charges.
73 +    flucQ_->initialize();
74      
75      // initialize the forces before the first step
76      calcForce();
# Line 79 | Line 78 | namespace OpenMD {
78      // execute the constraint algorithm to make sure that the system is
79      // constrained at the very beginning  
80      if (info_->getNGlobalConstraints() > 0) {
81 <      rattle->constraintA();
81 >      rattle_->constraintA();
82        calcForce();
83 <      rattle->constraintB();      
83 >      rattle_->constraintB();      
84        //copy the current snapshot to previous snapshot
85        info_->getSnapshotManager()->advance();
86      }
# Line 122 | Line 121 | namespace OpenMD {
121  
122    void VelocityVerletIntegrator::doIntegrate() {
123    
125 –  
124      initialize();
125    
126 <    while (currentSnapshot_->getTime() < runTime) {
127 <    
128 <      preStep();
129 <    
130 <      integrateStep();
133 <    
134 <      postStep();
135 <      
136 <    }
137 <  
126 >    while (currentSnapshot_->getTime() < runTime) {    
127 >      preStep();    
128 >      integrateStep();    
129 >      postStep();      
130 >    }  
131      finalize();
139 –  
132    }
133  
134  
# Line 211 | Line 203 | namespace OpenMD {
203    
204      dumpWriter = NULL;
205      statWriter = NULL;
214 –  
206    }
207  
208    void VelocityVerletIntegrator::integrateStep() {

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