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Comparing trunk/src/brains/SimInfo.cpp (file contents):
Revision 586 by gezelter, Wed Sep 7 20:46:46 2005 UTC vs.
Revision 1930 by gezelter, Mon Aug 19 13:51:04 2013 UTC

# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
39 + * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   /**
# Line 48 | Line 49
49  
50   #include <algorithm>
51   #include <set>
52 + #include <map>
53  
54   #include "brains/SimInfo.hpp"
55   #include "math/Vector3.hpp"
56   #include "primitives/Molecule.hpp"
57 < #include "UseTheForce/fCutoffPolicy.h"
56 < #include "UseTheForce/doForces_interface.h"
57 < #include "UseTheForce/notifyCutoffs_interface.h"
57 > #include "primitives/StuntDouble.hpp"
58   #include "utils/MemoryUtils.hpp"
59   #include "utils/simError.h"
60   #include "selection/SelectionManager.hpp"
61 <
61 > #include "io/ForceFieldOptions.hpp"
62 > #include "brains/ForceField.hpp"
63 > #include "nonbonded/SwitchingFunction.hpp"
64   #ifdef IS_MPI
65 < #include "UseTheForce/mpiComponentPlan.h"
66 < #include "UseTheForce/DarkSide/simParallel_interface.h"
65 < #endif
65 > #include <mpi.h>
66 > #endif
67  
68 < namespace oopse {
69 <
70 <  SimInfo::SimInfo(MakeStamps* stamps, std::vector<std::pair<MoleculeStamp*, int> >& molStampPairs,
71 <                   ForceField* ff, Globals* simParams) :
72 <    stamps_(stamps), forceField_(ff), simParams_(simParams),
73 <    ndf_(0), ndfRaw_(0), ndfTrans_(0), nZconstraint_(0),
68 > using namespace std;
69 > namespace OpenMD {
70 >  
71 >  SimInfo::SimInfo(ForceField* ff, Globals* simParams) :
72 >    forceField_(ff), simParams_(simParams),
73 >    ndf_(0), fdf_local(0), ndfRaw_(0), ndfTrans_(0), nZconstraint_(0),
74      nGlobalMols_(0), nGlobalAtoms_(0), nGlobalCutoffGroups_(0),
75 <    nGlobalIntegrableObjects_(0), nGlobalRigidBodies_(0),
76 <    nAtoms_(0), nBonds_(0),  nBends_(0), nTorsions_(0), nRigidBodies_(0),
77 <    nIntegrableObjects_(0),  nCutoffGroups_(0), nConstraints_(0),
78 <    sman_(NULL), fortranInitialized_(false) {
79 <
79 <            
80 <      std::vector<std::pair<MoleculeStamp*, int> >::iterator i;
81 <      MoleculeStamp* molStamp;
82 <      int nMolWithSameStamp;
83 <      int nCutoffAtoms = 0; // number of atoms belong to cutoff groups
84 <      int nGroups = 0;          //total cutoff groups defined in meta-data file
85 <      CutoffGroupStamp* cgStamp;    
86 <      RigidBodyStamp* rbStamp;
87 <      int nRigidAtoms = 0;
75 >    nGlobalIntegrableObjects_(0), nGlobalRigidBodies_(0), nGlobalFluctuatingCharges_(0),
76 >    nAtoms_(0), nBonds_(0),  nBends_(0), nTorsions_(0), nInversions_(0),
77 >    nRigidBodies_(0), nIntegrableObjects_(0), nCutoffGroups_(0),
78 >    nConstraints_(0), nFluctuatingCharges_(0), sman_(NULL), topologyDone_(false),
79 >    calcBoxDipole_(false), useAtomicVirial_(true) {    
80      
81 <      for (i = molStampPairs.begin(); i !=molStampPairs.end(); ++i) {
82 <        molStamp = i->first;
83 <        nMolWithSameStamp = i->second;
84 <        
85 <        addMoleculeStamp(molStamp, nMolWithSameStamp);
86 <
87 <        //calculate atoms in molecules
88 <        nGlobalAtoms_ += molStamp->getNAtoms() *nMolWithSameStamp;  
89 <
90 <
91 <        //calculate atoms in cutoff groups
92 <        int nAtomsInGroups = 0;
93 <        int nCutoffGroupsInStamp = molStamp->getNCutoffGroups();
94 <        
95 <        for (int j=0; j < nCutoffGroupsInStamp; j++) {
96 <          cgStamp = molStamp->getCutoffGroup(j);
97 <          nAtomsInGroups += cgStamp->getNMembers();
98 <        }
107 <
108 <        nGroups += nCutoffGroupsInStamp * nMolWithSameStamp;
109 <        nCutoffAtoms += nAtomsInGroups * nMolWithSameStamp;            
110 <
111 <        //calculate atoms in rigid bodies
112 <        int nAtomsInRigidBodies = 0;
113 <        int nRigidBodiesInStamp = molStamp->getNRigidBodies();
114 <        
115 <        for (int j=0; j < nRigidBodiesInStamp; j++) {
116 <          rbStamp = molStamp->getRigidBody(j);
117 <          nAtomsInRigidBodies += rbStamp->getNMembers();
118 <        }
119 <
120 <        nGlobalRigidBodies_ += nRigidBodiesInStamp * nMolWithSameStamp;
121 <        nRigidAtoms += nAtomsInRigidBodies * nMolWithSameStamp;            
122 <        
81 >    MoleculeStamp* molStamp;
82 >    int nMolWithSameStamp;
83 >    int nCutoffAtoms = 0; // number of atoms belong to cutoff groups
84 >    int nGroups = 0;       //total cutoff groups defined in meta-data file
85 >    CutoffGroupStamp* cgStamp;    
86 >    RigidBodyStamp* rbStamp;
87 >    int nRigidAtoms = 0;
88 >    
89 >    vector<Component*> components = simParams->getComponents();
90 >    
91 >    for (vector<Component*>::iterator i = components.begin();
92 >         i !=components.end(); ++i) {
93 >      molStamp = (*i)->getMoleculeStamp();
94 >      if ( (*i)->haveRegion() ) {        
95 >        molStamp->setRegion( (*i)->getRegion() );
96 >      } else {
97 >        // set the region to a disallowed value:
98 >        molStamp->setRegion( -1 );
99        }
100  
101 <      //every free atom (atom does not belong to cutoff groups) is a cutoff group
102 <      //therefore the total number of cutoff groups in the system is equal to
103 <      //the total number of atoms minus number of atoms belong to cutoff group defined in meta-data
104 <      //file plus the number of cutoff groups defined in meta-data file
105 <      nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
106 <
107 <      //every free atom (atom does not belong to rigid bodies) is an integrable object
108 <      //therefore the total number of  integrable objects in the system is equal to
109 <      //the total number of atoms minus number of atoms belong to  rigid body defined in meta-data
110 <      //file plus the number of  rigid bodies defined in meta-data file
111 <      nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms + nGlobalRigidBodies_;
112 <
113 <      nGlobalMols_ = molStampIds_.size();
114 <
115 < #ifdef IS_MPI    
116 <      molToProcMap_.resize(nGlobalMols_);
117 < #endif
118 <
101 >      nMolWithSameStamp = (*i)->getNMol();
102 >      
103 >      addMoleculeStamp(molStamp, nMolWithSameStamp);
104 >      
105 >      //calculate atoms in molecules
106 >      nGlobalAtoms_ += molStamp->getNAtoms() *nMolWithSameStamp;  
107 >      
108 >      //calculate atoms in cutoff groups
109 >      int nAtomsInGroups = 0;
110 >      int nCutoffGroupsInStamp = molStamp->getNCutoffGroups();
111 >      
112 >      for (int j=0; j < nCutoffGroupsInStamp; j++) {
113 >        cgStamp = molStamp->getCutoffGroupStamp(j);
114 >        nAtomsInGroups += cgStamp->getNMembers();
115 >      }
116 >      
117 >      nGroups += nCutoffGroupsInStamp * nMolWithSameStamp;
118 >      
119 >      nCutoffAtoms += nAtomsInGroups * nMolWithSameStamp;            
120 >      
121 >      //calculate atoms in rigid bodies
122 >      int nAtomsInRigidBodies = 0;
123 >      int nRigidBodiesInStamp = molStamp->getNRigidBodies();
124 >      
125 >      for (int j=0; j < nRigidBodiesInStamp; j++) {
126 >        rbStamp = molStamp->getRigidBodyStamp(j);
127 >        nAtomsInRigidBodies += rbStamp->getNMembers();
128 >      }
129 >      
130 >      nGlobalRigidBodies_ += nRigidBodiesInStamp * nMolWithSameStamp;
131 >      nRigidAtoms += nAtomsInRigidBodies * nMolWithSameStamp;            
132 >      
133      }
134 +    
135 +    //every free atom (atom does not belong to cutoff groups) is a cutoff
136 +    //group therefore the total number of cutoff groups in the system is
137 +    //equal to the total number of atoms minus number of atoms belong to
138 +    //cutoff group defined in meta-data file plus the number of cutoff
139 +    //groups defined in meta-data file
140  
141 +    nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
142 +    
143 +    //every free atom (atom does not belong to rigid bodies) is an
144 +    //integrable object therefore the total number of integrable objects
145 +    //in the system is equal to the total number of atoms minus number of
146 +    //atoms belong to rigid body defined in meta-data file plus the number
147 +    //of rigid bodies defined in meta-data file
148 +    nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms
149 +      + nGlobalRigidBodies_;
150 +    
151 +    nGlobalMols_ = molStampIds_.size();
152 +    molToProcMap_.resize(nGlobalMols_);
153 +  }
154 +  
155    SimInfo::~SimInfo() {
156 <    std::map<int, Molecule*>::iterator i;
156 >    map<int, Molecule*>::iterator i;
157      for (i = molecules_.begin(); i != molecules_.end(); ++i) {
158        delete i->second;
159      }
160      molecules_.clear();
161        
152    delete stamps_;
162      delete sman_;
163      delete simParams_;
164      delete forceField_;
165    }
166  
158  int SimInfo::getNGlobalConstraints() {
159    int nGlobalConstraints;
160 #ifdef IS_MPI
161    MPI_Allreduce(&nConstraints_, &nGlobalConstraints, 1, MPI_INT, MPI_SUM,
162                  MPI_COMM_WORLD);    
163 #else
164    nGlobalConstraints =  nConstraints_;
165 #endif
166    return nGlobalConstraints;
167  }
167  
168    bool SimInfo::addMolecule(Molecule* mol) {
169      MoleculeIterator i;
170 <
170 >    
171      i = molecules_.find(mol->getGlobalIndex());
172      if (i == molecules_.end() ) {
173 <
174 <      molecules_.insert(std::make_pair(mol->getGlobalIndex(), mol));
175 <        
173 >      
174 >      molecules_.insert(make_pair(mol->getGlobalIndex(), mol));
175 >      
176        nAtoms_ += mol->getNAtoms();
177        nBonds_ += mol->getNBonds();
178        nBends_ += mol->getNBends();
179        nTorsions_ += mol->getNTorsions();
180 +      nInversions_ += mol->getNInversions();
181        nRigidBodies_ += mol->getNRigidBodies();
182        nIntegrableObjects_ += mol->getNIntegrableObjects();
183        nCutoffGroups_ += mol->getNCutoffGroups();
184        nConstraints_ += mol->getNConstraintPairs();
185 <
186 <      addExcludePairs(mol);
187 <        
185 >      
186 >      addInteractionPairs(mol);
187 >      
188        return true;
189      } else {
190        return false;
191      }
192    }
193 <
193 >  
194    bool SimInfo::removeMolecule(Molecule* mol) {
195      MoleculeIterator i;
196      i = molecules_.find(mol->getGlobalIndex());
# Line 203 | Line 203 | namespace oopse {
203        nBonds_ -= mol->getNBonds();
204        nBends_ -= mol->getNBends();
205        nTorsions_ -= mol->getNTorsions();
206 +      nInversions_ -= mol->getNInversions();
207        nRigidBodies_ -= mol->getNRigidBodies();
208        nIntegrableObjects_ -= mol->getNIntegrableObjects();
209        nCutoffGroups_ -= mol->getNCutoffGroups();
210        nConstraints_ -= mol->getNConstraintPairs();
211  
212 <      removeExcludePairs(mol);
212 >      removeInteractionPairs(mol);
213        molecules_.erase(mol->getGlobalIndex());
214  
215        delete mol;
# Line 217 | Line 218 | namespace oopse {
218      } else {
219        return false;
220      }
220
221
221    }    
222  
223          
# Line 234 | Line 233 | namespace oopse {
233  
234  
235    void SimInfo::calcNdf() {
236 <    int ndf_local;
236 >    int ndf_local, nfq_local;
237      MoleculeIterator i;
238 <    std::vector<StuntDouble*>::iterator j;
238 >    vector<StuntDouble*>::iterator j;
239 >    vector<Atom*>::iterator k;
240 >
241      Molecule* mol;
242 <    StuntDouble* integrableObject;
242 >    StuntDouble* sd;
243 >    Atom* atom;
244  
245      ndf_local = 0;
246 +    nfq_local = 0;
247      
248      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
246      for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL;
247           integrableObject = mol->nextIntegrableObject(j)) {
249  
250 +      for (sd = mol->beginIntegrableObject(j); sd != NULL;
251 +           sd = mol->nextIntegrableObject(j)) {
252 +
253          ndf_local += 3;
254  
255 <        if (integrableObject->isDirectional()) {
256 <          if (integrableObject->isLinear()) {
255 >        if (sd->isDirectional()) {
256 >          if (sd->isLinear()) {
257              ndf_local += 2;
258            } else {
259              ndf_local += 3;
260            }
261          }
262 <            
263 <      }//end for (integrableObject)
264 <    }// end for (mol)
262 >      }
263 >
264 >      for (atom = mol->beginFluctuatingCharge(k); atom != NULL;
265 >           atom = mol->nextFluctuatingCharge(k)) {
266 >        if (atom->isFluctuatingCharge()) {
267 >          nfq_local++;
268 >        }
269 >      }
270 >    }
271      
272 +    ndfLocal_ = ndf_local;
273 +
274      // n_constraints is local, so subtract them on each processor
275      ndf_local -= nConstraints_;
276  
277   #ifdef IS_MPI
278 <    MPI_Allreduce(&ndf_local,&ndf_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
278 >    MPI::COMM_WORLD.Allreduce(&ndf_local, &ndf_, 1, MPI::INT,MPI::SUM);
279 >    MPI::COMM_WORLD.Allreduce(&nfq_local, &nGlobalFluctuatingCharges_, 1,
280 >                              MPI::INT, MPI::SUM);
281   #else
282      ndf_ = ndf_local;
283 +    nGlobalFluctuatingCharges_ = nfq_local;
284   #endif
285  
286      // nZconstraints_ is global, as are the 3 COM translations for the
# Line 274 | Line 289 | namespace oopse {
289  
290    }
291  
292 +  int SimInfo::getFdf() {
293 + #ifdef IS_MPI
294 +    MPI::COMM_WORLD.Allreduce(&fdf_local, &fdf_, 1, MPI::INT, MPI::SUM);
295 + #else
296 +    fdf_ = fdf_local;
297 + #endif
298 +    return fdf_;
299 +  }
300 +  
301 +  unsigned int SimInfo::getNLocalCutoffGroups(){
302 +    int nLocalCutoffAtoms = 0;
303 +    Molecule* mol;
304 +    MoleculeIterator mi;
305 +    CutoffGroup* cg;
306 +    Molecule::CutoffGroupIterator ci;
307 +    
308 +    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
309 +      
310 +      for (cg = mol->beginCutoffGroup(ci); cg != NULL;
311 +           cg = mol->nextCutoffGroup(ci)) {
312 +        nLocalCutoffAtoms += cg->getNumAtom();
313 +        
314 +      }        
315 +    }
316 +    
317 +    return nAtoms_ - nLocalCutoffAtoms + nCutoffGroups_;
318 +  }
319 +    
320    void SimInfo::calcNdfRaw() {
321      int ndfRaw_local;
322  
323      MoleculeIterator i;
324 <    std::vector<StuntDouble*>::iterator j;
324 >    vector<StuntDouble*>::iterator j;
325      Molecule* mol;
326 <    StuntDouble* integrableObject;
326 >    StuntDouble* sd;
327  
328      // Raw degrees of freedom that we have to set
329      ndfRaw_local = 0;
330      
331      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
289      for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL;
290           integrableObject = mol->nextIntegrableObject(j)) {
332  
333 +      for (sd = mol->beginIntegrableObject(j); sd != NULL;
334 +           sd = mol->nextIntegrableObject(j)) {
335 +
336          ndfRaw_local += 3;
337  
338 <        if (integrableObject->isDirectional()) {
339 <          if (integrableObject->isLinear()) {
338 >        if (sd->isDirectional()) {
339 >          if (sd->isLinear()) {
340              ndfRaw_local += 2;
341            } else {
342              ndfRaw_local += 3;
# Line 303 | Line 347 | namespace oopse {
347      }
348      
349   #ifdef IS_MPI
350 <    MPI_Allreduce(&ndfRaw_local,&ndfRaw_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
350 >    MPI::COMM_WORLD.Allreduce(&ndfRaw_local, &ndfRaw_, 1, MPI::INT, MPI::SUM);
351   #else
352      ndfRaw_ = ndfRaw_local;
353   #endif
# Line 316 | Line 360 | namespace oopse {
360  
361  
362   #ifdef IS_MPI
363 <    MPI_Allreduce(&ndfTrans_local,&ndfTrans_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
363 >    MPI::COMM_WORLD.Allreduce(&ndfTrans_local, &ndfTrans_, 1,
364 >                              MPI::INT, MPI::SUM);
365   #else
366      ndfTrans_ = ndfTrans_local;
367   #endif
# Line 325 | Line 370 | namespace oopse {
370  
371    }
372  
373 <  void SimInfo::addExcludePairs(Molecule* mol) {
374 <    std::vector<Bond*>::iterator bondIter;
375 <    std::vector<Bend*>::iterator bendIter;
376 <    std::vector<Torsion*>::iterator torsionIter;
373 >  void SimInfo::addInteractionPairs(Molecule* mol) {
374 >    ForceFieldOptions& options_ = forceField_->getForceFieldOptions();
375 >    vector<Atom*>::iterator atomIter;
376 >    vector<Bond*>::iterator bondIter;
377 >    vector<Bend*>::iterator bendIter;
378 >    vector<Torsion*>::iterator torsionIter;
379 >    vector<Inversion*>::iterator inversionIter;
380 >    Atom* atom;
381      Bond* bond;
382      Bend* bend;
383      Torsion* torsion;
384 +    Inversion* inversion;
385      int a;
386      int b;
387      int c;
388      int d;
389 +
390 +    // atomGroups can be used to add special interaction maps between
391 +    // groups of atoms that are in two separate rigid bodies.
392 +    // However, most site-site interactions between two rigid bodies
393 +    // are probably not special, just the ones between the physically
394 +    // bonded atoms.  Interactions *within* a single rigid body should
395 +    // always be excluded.  These are done at the bottom of this
396 +    // function.
397 +
398 +    map<int, set<int> > atomGroups;
399 +    Molecule::RigidBodyIterator rbIter;
400 +    RigidBody* rb;
401 +    Molecule::IntegrableObjectIterator ii;
402 +    StuntDouble* sd;
403      
404 <    for (bond= mol->beginBond(bondIter); bond != NULL; bond = mol->nextBond(bondIter)) {
404 >    for (sd = mol->beginIntegrableObject(ii); sd != NULL;
405 >         sd = mol->nextIntegrableObject(ii)) {
406 >      
407 >      if (sd->isRigidBody()) {
408 >        rb = static_cast<RigidBody*>(sd);
409 >        vector<Atom*> atoms = rb->getAtoms();
410 >        set<int> rigidAtoms;
411 >        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
412 >          rigidAtoms.insert(atoms[i]->getGlobalIndex());
413 >        }
414 >        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
415 >          atomGroups.insert(map<int, set<int> >::value_type(atoms[i]->getGlobalIndex(), rigidAtoms));
416 >        }      
417 >      } else {
418 >        set<int> oneAtomSet;
419 >        oneAtomSet.insert(sd->getGlobalIndex());
420 >        atomGroups.insert(map<int, set<int> >::value_type(sd->getGlobalIndex(), oneAtomSet));        
421 >      }
422 >    }  
423 >
424 >          
425 >    for (bond= mol->beginBond(bondIter); bond != NULL;
426 >         bond = mol->nextBond(bondIter)) {
427 >
428        a = bond->getAtomA()->getGlobalIndex();
429 <      b = bond->getAtomB()->getGlobalIndex();        
430 <      exclude_.addPair(a, b);
429 >      b = bond->getAtomB()->getGlobalIndex();  
430 >
431 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
432 >        oneTwoInteractions_.addPair(a, b);
433 >      } else {
434 >        excludedInteractions_.addPair(a, b);
435 >      }
436      }
437  
438 <    for (bend= mol->beginBend(bendIter); bend != NULL; bend = mol->nextBend(bendIter)) {
438 >    for (bend= mol->beginBend(bendIter); bend != NULL;
439 >         bend = mol->nextBend(bendIter)) {
440 >
441        a = bend->getAtomA()->getGlobalIndex();
442        b = bend->getAtomB()->getGlobalIndex();        
443        c = bend->getAtomC()->getGlobalIndex();
444 +      
445 +      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
446 +        oneTwoInteractions_.addPair(a, b);      
447 +        oneTwoInteractions_.addPair(b, c);
448 +      } else {
449 +        excludedInteractions_.addPair(a, b);
450 +        excludedInteractions_.addPair(b, c);
451 +      }
452  
453 <      exclude_.addPair(a, b);
454 <      exclude_.addPair(a, c);
455 <      exclude_.addPair(b, c);        
453 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
454 >        oneThreeInteractions_.addPair(a, c);      
455 >      } else {
456 >        excludedInteractions_.addPair(a, c);
457 >      }
458      }
459  
460 <    for (torsion= mol->beginTorsion(torsionIter); torsion != NULL; torsion = mol->nextTorsion(torsionIter)) {
460 >    for (torsion= mol->beginTorsion(torsionIter); torsion != NULL;
461 >         torsion = mol->nextTorsion(torsionIter)) {
462 >
463        a = torsion->getAtomA()->getGlobalIndex();
464        b = torsion->getAtomB()->getGlobalIndex();        
465        c = torsion->getAtomC()->getGlobalIndex();        
466 <      d = torsion->getAtomD()->getGlobalIndex();        
466 >      d = torsion->getAtomD()->getGlobalIndex();      
467  
468 <      exclude_.addPair(a, b);
469 <      exclude_.addPair(a, c);
470 <      exclude_.addPair(a, d);
471 <      exclude_.addPair(b, c);
472 <      exclude_.addPair(b, d);
473 <      exclude_.addPair(c, d);        
468 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
469 >        oneTwoInteractions_.addPair(a, b);      
470 >        oneTwoInteractions_.addPair(b, c);
471 >        oneTwoInteractions_.addPair(c, d);
472 >      } else {
473 >        excludedInteractions_.addPair(a, b);
474 >        excludedInteractions_.addPair(b, c);
475 >        excludedInteractions_.addPair(c, d);
476 >      }
477 >
478 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
479 >        oneThreeInteractions_.addPair(a, c);      
480 >        oneThreeInteractions_.addPair(b, d);      
481 >      } else {
482 >        excludedInteractions_.addPair(a, c);
483 >        excludedInteractions_.addPair(b, d);
484 >      }
485 >
486 >      if (options_.havevdw14scale() || options_.haveelectrostatic14scale()) {
487 >        oneFourInteractions_.addPair(a, d);      
488 >      } else {
489 >        excludedInteractions_.addPair(a, d);
490 >      }
491      }
492  
493 <    Molecule::RigidBodyIterator rbIter;
494 <    RigidBody* rb;
495 <    for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
496 <      std::vector<Atom*> atoms = rb->getAtoms();
497 <      for (int i = 0; i < atoms.size() -1 ; ++i) {
498 <        for (int j = i + 1; j < atoms.size(); ++j) {
493 >    for (inversion= mol->beginInversion(inversionIter); inversion != NULL;
494 >         inversion = mol->nextInversion(inversionIter)) {
495 >
496 >      a = inversion->getAtomA()->getGlobalIndex();
497 >      b = inversion->getAtomB()->getGlobalIndex();        
498 >      c = inversion->getAtomC()->getGlobalIndex();        
499 >      d = inversion->getAtomD()->getGlobalIndex();        
500 >
501 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
502 >        oneTwoInteractions_.addPair(a, b);      
503 >        oneTwoInteractions_.addPair(a, c);
504 >        oneTwoInteractions_.addPair(a, d);
505 >      } else {
506 >        excludedInteractions_.addPair(a, b);
507 >        excludedInteractions_.addPair(a, c);
508 >        excludedInteractions_.addPair(a, d);
509 >      }
510 >
511 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
512 >        oneThreeInteractions_.addPair(b, c);    
513 >        oneThreeInteractions_.addPair(b, d);    
514 >        oneThreeInteractions_.addPair(c, d);      
515 >      } else {
516 >        excludedInteractions_.addPair(b, c);
517 >        excludedInteractions_.addPair(b, d);
518 >        excludedInteractions_.addPair(c, d);
519 >      }
520 >    }
521 >
522 >    for (rb = mol->beginRigidBody(rbIter); rb != NULL;
523 >         rb = mol->nextRigidBody(rbIter)) {
524 >      vector<Atom*> atoms = rb->getAtoms();
525 >      for (int i = 0; i < static_cast<int>(atoms.size()) -1 ; ++i) {
526 >        for (int j = i + 1; j < static_cast<int>(atoms.size()); ++j) {
527            a = atoms[i]->getGlobalIndex();
528            b = atoms[j]->getGlobalIndex();
529 <          exclude_.addPair(a, b);
529 >          excludedInteractions_.addPair(a, b);
530          }
531        }
532      }        
533  
534    }
535  
536 <  void SimInfo::removeExcludePairs(Molecule* mol) {
537 <    std::vector<Bond*>::iterator bondIter;
538 <    std::vector<Bend*>::iterator bendIter;
539 <    std::vector<Torsion*>::iterator torsionIter;
536 >  void SimInfo::removeInteractionPairs(Molecule* mol) {
537 >    ForceFieldOptions& options_ = forceField_->getForceFieldOptions();
538 >    vector<Bond*>::iterator bondIter;
539 >    vector<Bend*>::iterator bendIter;
540 >    vector<Torsion*>::iterator torsionIter;
541 >    vector<Inversion*>::iterator inversionIter;
542      Bond* bond;
543      Bend* bend;
544      Torsion* torsion;
545 +    Inversion* inversion;
546      int a;
547      int b;
548      int c;
549      int d;
550 +
551 +    map<int, set<int> > atomGroups;
552 +    Molecule::RigidBodyIterator rbIter;
553 +    RigidBody* rb;
554 +    Molecule::IntegrableObjectIterator ii;
555 +    StuntDouble* sd;
556      
557 <    for (bond= mol->beginBond(bondIter); bond != NULL; bond = mol->nextBond(bondIter)) {
557 >    for (sd = mol->beginIntegrableObject(ii); sd != NULL;
558 >         sd = mol->nextIntegrableObject(ii)) {
559 >      
560 >      if (sd->isRigidBody()) {
561 >        rb = static_cast<RigidBody*>(sd);
562 >        vector<Atom*> atoms = rb->getAtoms();
563 >        set<int> rigidAtoms;
564 >        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
565 >          rigidAtoms.insert(atoms[i]->getGlobalIndex());
566 >        }
567 >        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
568 >          atomGroups.insert(map<int, set<int> >::value_type(atoms[i]->getGlobalIndex(), rigidAtoms));
569 >        }      
570 >      } else {
571 >        set<int> oneAtomSet;
572 >        oneAtomSet.insert(sd->getGlobalIndex());
573 >        atomGroups.insert(map<int, set<int> >::value_type(sd->getGlobalIndex(), oneAtomSet));        
574 >      }
575 >    }  
576 >
577 >    for (bond= mol->beginBond(bondIter); bond != NULL;
578 >         bond = mol->nextBond(bondIter)) {
579 >      
580        a = bond->getAtomA()->getGlobalIndex();
581 <      b = bond->getAtomB()->getGlobalIndex();        
582 <      exclude_.removePair(a, b);
581 >      b = bond->getAtomB()->getGlobalIndex();  
582 >    
583 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
584 >        oneTwoInteractions_.removePair(a, b);
585 >      } else {
586 >        excludedInteractions_.removePair(a, b);
587 >      }
588      }
589  
590 <    for (bend= mol->beginBend(bendIter); bend != NULL; bend = mol->nextBend(bendIter)) {
590 >    for (bend= mol->beginBend(bendIter); bend != NULL;
591 >         bend = mol->nextBend(bendIter)) {
592 >
593        a = bend->getAtomA()->getGlobalIndex();
594        b = bend->getAtomB()->getGlobalIndex();        
595        c = bend->getAtomC()->getGlobalIndex();
596 +      
597 +      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
598 +        oneTwoInteractions_.removePair(a, b);      
599 +        oneTwoInteractions_.removePair(b, c);
600 +      } else {
601 +        excludedInteractions_.removePair(a, b);
602 +        excludedInteractions_.removePair(b, c);
603 +      }
604  
605 <      exclude_.removePair(a, b);
606 <      exclude_.removePair(a, c);
607 <      exclude_.removePair(b, c);        
605 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
606 >        oneThreeInteractions_.removePair(a, c);      
607 >      } else {
608 >        excludedInteractions_.removePair(a, c);
609 >      }
610      }
611  
612 <    for (torsion= mol->beginTorsion(torsionIter); torsion != NULL; torsion = mol->nextTorsion(torsionIter)) {
612 >    for (torsion= mol->beginTorsion(torsionIter); torsion != NULL;
613 >         torsion = mol->nextTorsion(torsionIter)) {
614 >
615        a = torsion->getAtomA()->getGlobalIndex();
616        b = torsion->getAtomB()->getGlobalIndex();        
617        c = torsion->getAtomC()->getGlobalIndex();        
618 <      d = torsion->getAtomD()->getGlobalIndex();        
618 >      d = torsion->getAtomD()->getGlobalIndex();      
619 >  
620 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
621 >        oneTwoInteractions_.removePair(a, b);      
622 >        oneTwoInteractions_.removePair(b, c);
623 >        oneTwoInteractions_.removePair(c, d);
624 >      } else {
625 >        excludedInteractions_.removePair(a, b);
626 >        excludedInteractions_.removePair(b, c);
627 >        excludedInteractions_.removePair(c, d);
628 >      }
629  
630 <      exclude_.removePair(a, b);
631 <      exclude_.removePair(a, c);
632 <      exclude_.removePair(a, d);
633 <      exclude_.removePair(b, c);
634 <      exclude_.removePair(b, d);
635 <      exclude_.removePair(c, d);        
630 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
631 >        oneThreeInteractions_.removePair(a, c);      
632 >        oneThreeInteractions_.removePair(b, d);      
633 >      } else {
634 >        excludedInteractions_.removePair(a, c);
635 >        excludedInteractions_.removePair(b, d);
636 >      }
637 >
638 >      if (options_.havevdw14scale() || options_.haveelectrostatic14scale()) {
639 >        oneFourInteractions_.removePair(a, d);      
640 >      } else {
641 >        excludedInteractions_.removePair(a, d);
642 >      }
643      }
644  
645 <    Molecule::RigidBodyIterator rbIter;
646 <    RigidBody* rb;
647 <    for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
648 <      std::vector<Atom*> atoms = rb->getAtoms();
649 <      for (int i = 0; i < atoms.size() -1 ; ++i) {
650 <        for (int j = i + 1; j < atoms.size(); ++j) {
645 >    for (inversion= mol->beginInversion(inversionIter); inversion != NULL;
646 >         inversion = mol->nextInversion(inversionIter)) {
647 >
648 >      a = inversion->getAtomA()->getGlobalIndex();
649 >      b = inversion->getAtomB()->getGlobalIndex();        
650 >      c = inversion->getAtomC()->getGlobalIndex();        
651 >      d = inversion->getAtomD()->getGlobalIndex();        
652 >
653 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
654 >        oneTwoInteractions_.removePair(a, b);      
655 >        oneTwoInteractions_.removePair(a, c);
656 >        oneTwoInteractions_.removePair(a, d);
657 >      } else {
658 >        excludedInteractions_.removePair(a, b);
659 >        excludedInteractions_.removePair(a, c);
660 >        excludedInteractions_.removePair(a, d);
661 >      }
662 >
663 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
664 >        oneThreeInteractions_.removePair(b, c);    
665 >        oneThreeInteractions_.removePair(b, d);    
666 >        oneThreeInteractions_.removePair(c, d);      
667 >      } else {
668 >        excludedInteractions_.removePair(b, c);
669 >        excludedInteractions_.removePair(b, d);
670 >        excludedInteractions_.removePair(c, d);
671 >      }
672 >    }
673 >
674 >    for (rb = mol->beginRigidBody(rbIter); rb != NULL;
675 >         rb = mol->nextRigidBody(rbIter)) {
676 >      vector<Atom*> atoms = rb->getAtoms();
677 >      for (int i = 0; i < static_cast<int>(atoms.size()) -1 ; ++i) {
678 >        for (int j = i + 1; j < static_cast<int>(atoms.size()); ++j) {
679            a = atoms[i]->getGlobalIndex();
680            b = atoms[j]->getGlobalIndex();
681 <          exclude_.removePair(a, b);
681 >          excludedInteractions_.removePair(a, b);
682          }
683        }
684      }        
685 <
685 >    
686    }
687 <
688 <
687 >  
688 >  
689    void SimInfo::addMoleculeStamp(MoleculeStamp* molStamp, int nmol) {
690      int curStampId;
691 <
691 >    
692      //index from 0
693      curStampId = moleculeStamps_.size();
694  
# Line 450 | Line 696 | namespace oopse {
696      molStampIds_.insert(molStampIds_.end(), nmol, curStampId);
697    }
698  
453  void SimInfo::update() {
699  
700 <    setupSimType();
701 <
702 < #ifdef IS_MPI
703 <    setupFortranParallel();
704 < #endif
705 <
706 <    setupFortranSim();
707 <
708 <    //setup fortran force field
464 <    /** @deprecate */    
465 <    int isError = 0;
466 <    initFortranFF( &fInfo_.SIM_uses_RF, &fInfo_.SIM_uses_UW,
467 <                   &fInfo_.SIM_uses_DW, &isError );
468 <    if(isError){
469 <      sprintf( painCave.errMsg,
470 <               "ForceField error: There was an error initializing the forceField in fortran.\n" );
471 <      painCave.isFatal = 1;
472 <      simError();
473 <    }
474 <  
475 <    
476 <    setupCutoff();
477 <
700 >  /**
701 >   * update
702 >   *
703 >   *  Performs the global checks and variable settings after the
704 >   *  objects have been created.
705 >   *
706 >   */
707 >  void SimInfo::update() {  
708 >    setupSimVariables();
709      calcNdf();
710      calcNdfRaw();
711      calcNdfTrans();
481
482    fortranInitialized_ = true;
712    }
713 <
714 <  std::set<AtomType*> SimInfo::getUniqueAtomTypes() {
713 >  
714 >  /**
715 >   * getSimulatedAtomTypes
716 >   *
717 >   * Returns an STL set of AtomType* that are actually present in this
718 >   * simulation.  Must query all processors to assemble this information.
719 >   *
720 >   */
721 >  set<AtomType*> SimInfo::getSimulatedAtomTypes() {
722      SimInfo::MoleculeIterator mi;
723      Molecule* mol;
724      Molecule::AtomIterator ai;
725      Atom* atom;
726 <    std::set<AtomType*> atomTypes;
727 <
726 >    set<AtomType*> atomTypes;
727 >    
728      for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
729 <
730 <      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
729 >      for(atom = mol->beginAtom(ai); atom != NULL;
730 >          atom = mol->nextAtom(ai)) {
731          atomTypes.insert(atom->getAtomType());
732 <      }
733 <        
732 >      }      
733 >    }    
734 >    
735 > #ifdef IS_MPI
736 >
737 >    // loop over the found atom types on this processor, and add their
738 >    // numerical idents to a vector:
739 >    
740 >    vector<int> foundTypes;
741 >    set<AtomType*>::iterator i;
742 >    for (i = atomTypes.begin(); i != atomTypes.end(); ++i)
743 >      foundTypes.push_back( (*i)->getIdent() );
744 >
745 >    // count_local holds the number of found types on this processor
746 >    int count_local = foundTypes.size();
747 >
748 >    int nproc = MPI::COMM_WORLD.Get_size();
749 >
750 >    // we need arrays to hold the counts and displacement vectors for
751 >    // all processors
752 >    vector<int> counts(nproc, 0);
753 >    vector<int> disps(nproc, 0);
754 >
755 >    // fill the counts array
756 >    MPI::COMM_WORLD.Allgather(&count_local, 1, MPI::INT, &counts[0],
757 >                              1, MPI::INT);
758 >  
759 >    // use the processor counts to compute the displacement array
760 >    disps[0] = 0;    
761 >    int totalCount = counts[0];
762 >    for (int iproc = 1; iproc < nproc; iproc++) {
763 >      disps[iproc] = disps[iproc-1] + counts[iproc-1];
764 >      totalCount += counts[iproc];
765      }
766  
767 +    // we need a (possibly redundant) set of all found types:
768 +    vector<int> ftGlobal(totalCount);
769 +    
770 +    // now spray out the foundTypes to all the other processors:    
771 +    MPI::COMM_WORLD.Allgatherv(&foundTypes[0], count_local, MPI::INT,
772 +                               &ftGlobal[0], &counts[0], &disps[0],
773 +                               MPI::INT);
774 +
775 +    vector<int>::iterator j;
776 +
777 +    // foundIdents is a stl set, so inserting an already found ident
778 +    // will have no effect.
779 +    set<int> foundIdents;
780 +
781 +    for (j = ftGlobal.begin(); j != ftGlobal.end(); ++j)
782 +      foundIdents.insert((*j));
783 +    
784 +    // now iterate over the foundIdents and get the actual atom types
785 +    // that correspond to these:
786 +    set<int>::iterator it;
787 +    for (it = foundIdents.begin(); it != foundIdents.end(); ++it)
788 +      atomTypes.insert( forceField_->getAtomType((*it)) );
789 +
790 + #endif
791 +
792      return atomTypes;        
793    }
794  
503  void SimInfo::setupSimType() {
504    std::set<AtomType*>::iterator i;
505    std::set<AtomType*> atomTypes;
506    atomTypes = getUniqueAtomTypes();
507    
508    int useLennardJones = 0;
509    int useElectrostatic = 0;
510    int useEAM = 0;
511    int useCharge = 0;
512    int useDirectional = 0;
513    int useDipole = 0;
514    int useGayBerne = 0;
515    int useSticky = 0;
516    int useStickyPower = 0;
517    int useShape = 0;
518    int useFLARB = 0; //it is not in AtomType yet
519    int useDirectionalAtom = 0;    
520    int useElectrostatics = 0;
521    //usePBC and useRF are from simParams
522    int usePBC = simParams_->getPBC();
523    int useRF = simParams_->getUseRF();
524    int useUW = simParams_->getUseUndampedWolf();
525    int useDW = simParams_->getUseDampedWolf();
795  
796 +  int getGlobalCountOfType(AtomType* atype) {
797 +    /*
798 +    set<AtomType*> atypes = getSimulatedAtomTypes();
799 +    map<AtomType*, int> counts_;
800 +
801 +    for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
802 +      for(atom = mol->beginAtom(ai); atom != NULL;
803 +          atom = mol->nextAtom(ai)) {
804 +        atom->getAtomType();
805 +      }      
806 +    }    
807 +    */
808 +    return 0;
809 +  }
810 +
811 +  void SimInfo::setupSimVariables() {
812 +    useAtomicVirial_ = simParams_->getUseAtomicVirial();
813 +    // we only call setAccumulateBoxDipole if the accumulateBoxDipole
814 +    // parameter is true
815 +    calcBoxDipole_ = false;
816 +    if ( simParams_->haveAccumulateBoxDipole() )
817 +      if ( simParams_->getAccumulateBoxDipole() ) {
818 +        calcBoxDipole_ = true;      
819 +      }
820 +    
821 +    set<AtomType*>::iterator i;
822 +    set<AtomType*> atomTypes;
823 +    atomTypes = getSimulatedAtomTypes();    
824 +    bool usesElectrostatic = false;
825 +    bool usesMetallic = false;
826 +    bool usesDirectional = false;
827 +    bool usesFluctuatingCharges =  false;
828      //loop over all of the atom types
829      for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
830 <      useLennardJones |= (*i)->isLennardJones();
831 <      useElectrostatic |= (*i)->isElectrostatic();
832 <      useEAM |= (*i)->isEAM();
833 <      useCharge |= (*i)->isCharge();
533 <      useDirectional |= (*i)->isDirectional();
534 <      useDipole |= (*i)->isDipole();
535 <      useGayBerne |= (*i)->isGayBerne();
536 <      useSticky |= (*i)->isSticky();
537 <      useStickyPower |= (*i)->isStickyPower();
538 <      useShape |= (*i)->isShape();
830 >      usesElectrostatic |= (*i)->isElectrostatic();
831 >      usesMetallic |= (*i)->isMetal();
832 >      usesDirectional |= (*i)->isDirectional();
833 >      usesFluctuatingCharges |= (*i)->isFluctuatingCharge();
834      }
835  
836 <    if (useSticky || useStickyPower || useDipole || useGayBerne || useShape) {
837 <      useDirectionalAtom = 1;
838 <    }
836 > #ifdef IS_MPI
837 >    bool temp;
838 >    temp = usesDirectional;
839 >    MPI::COMM_WORLD.Allreduce(&temp, &usesDirectionalAtoms_, 1, MPI::BOOL,
840 >                              MPI::LOR);
841 >        
842 >    temp = usesMetallic;
843 >    MPI::COMM_WORLD.Allreduce(&temp, &usesMetallicAtoms_, 1, MPI::BOOL,
844 >                              MPI::LOR);
845 >    
846 >    temp = usesElectrostatic;
847 >    MPI::COMM_WORLD.Allreduce(&temp, &usesElectrostaticAtoms_, 1, MPI::BOOL,
848 >                              MPI::LOR);
849  
850 <    if (useCharge || useDipole) {
851 <      useElectrostatics = 1;
852 <    }
850 >    temp = usesFluctuatingCharges;
851 >    MPI::COMM_WORLD.Allreduce(&temp, &usesFluctuatingCharges_, 1, MPI::BOOL,
852 >                              MPI::LOR);
853 > #else
854  
855 < #ifdef IS_MPI    
856 <    int temp;
855 >    usesDirectionalAtoms_ = usesDirectional;
856 >    usesMetallicAtoms_ = usesMetallic;
857 >    usesElectrostaticAtoms_ = usesElectrostatic;
858 >    usesFluctuatingCharges_ = usesFluctuatingCharges;
859  
860 <    temp = usePBC;
553 <    MPI_Allreduce(&temp, &usePBC, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
554 <
555 <    temp = useDirectionalAtom;
556 <    MPI_Allreduce(&temp, &useDirectionalAtom, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
557 <
558 <    temp = useLennardJones;
559 <    MPI_Allreduce(&temp, &useLennardJones, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
560 <
561 <    temp = useElectrostatics;
562 <    MPI_Allreduce(&temp, &useElectrostatics, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
563 <
564 <    temp = useCharge;
565 <    MPI_Allreduce(&temp, &useCharge, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
566 <
567 <    temp = useDipole;
568 <    MPI_Allreduce(&temp, &useDipole, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
569 <
570 <    temp = useSticky;
571 <    MPI_Allreduce(&temp, &useSticky, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
572 <
573 <    temp = useStickyPower;
574 <    MPI_Allreduce(&temp, &useStickyPower, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
860 > #endif
861      
862 <    temp = useGayBerne;
863 <    MPI_Allreduce(&temp, &useGayBerne, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
862 >    requiresPrepair_ = usesMetallicAtoms_ ? true : false;
863 >    requiresSkipCorrection_ = usesElectrostaticAtoms_ ? true : false;
864 >    requiresSelfCorrection_ = usesElectrostaticAtoms_ ? true : false;    
865 >  }
866  
579    temp = useEAM;
580    MPI_Allreduce(&temp, &useEAM, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
867  
868 <    temp = useShape;
869 <    MPI_Allreduce(&temp, &useShape, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);  
868 >  vector<int> SimInfo::getGlobalAtomIndices() {
869 >    SimInfo::MoleculeIterator mi;
870 >    Molecule* mol;
871 >    Molecule::AtomIterator ai;
872 >    Atom* atom;
873  
874 <    temp = useFLARB;
586 <    MPI_Allreduce(&temp, &useFLARB, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
587 <
588 <    temp = useRF;
589 <    MPI_Allreduce(&temp, &useRF, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
590 <
591 <    temp = useUW;
592 <    MPI_Allreduce(&temp, &useUW, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);  
593 <
594 <    temp = useDW;
595 <    MPI_Allreduce(&temp, &useDW, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);  
874 >    vector<int> GlobalAtomIndices(getNAtoms(), 0);
875      
876 < #endif
876 >    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
877 >      
878 >      for (atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
879 >        GlobalAtomIndices[atom->getLocalIndex()] = atom->getGlobalIndex();
880 >      }
881 >    }
882 >    return GlobalAtomIndices;
883 >  }
884  
599    fInfo_.SIM_uses_PBC = usePBC;    
600    fInfo_.SIM_uses_DirectionalAtoms = useDirectionalAtom;
601    fInfo_.SIM_uses_LennardJones = useLennardJones;
602    fInfo_.SIM_uses_Electrostatics = useElectrostatics;    
603    fInfo_.SIM_uses_Charges = useCharge;
604    fInfo_.SIM_uses_Dipoles = useDipole;
605    fInfo_.SIM_uses_Sticky = useSticky;
606    fInfo_.SIM_uses_StickyPower = useStickyPower;
607    fInfo_.SIM_uses_GayBerne = useGayBerne;
608    fInfo_.SIM_uses_EAM = useEAM;
609    fInfo_.SIM_uses_Shapes = useShape;
610    fInfo_.SIM_uses_FLARB = useFLARB;
611    fInfo_.SIM_uses_RF = useRF;
612    fInfo_.SIM_uses_UW = useUW;
613    fInfo_.SIM_uses_DW = useDW;
885  
886 <    if( fInfo_.SIM_uses_Dipoles && fInfo_.SIM_uses_RF) {
886 >  vector<int> SimInfo::getGlobalGroupIndices() {
887 >    SimInfo::MoleculeIterator mi;
888 >    Molecule* mol;
889 >    Molecule::CutoffGroupIterator ci;
890 >    CutoffGroup* cg;
891  
892 <      if (simParams_->haveDielectric()) {
893 <        fInfo_.dielect = simParams_->getDielectric();
894 <      } else {
895 <        sprintf(painCave.errMsg,
896 <                "SimSetup Error: No Dielectric constant was set.\n"
897 <                "\tYou are trying to use Reaction Field without"
898 <                "\tsetting a dielectric constant!\n");
899 <        painCave.isFatal = 1;
900 <        simError();
901 <      }
627 <        
628 <    } else {
629 <      fInfo_.dielect = 0.0;
892 >    vector<int> GlobalGroupIndices;
893 >    
894 >    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
895 >      
896 >      //local index of cutoff group is trivial, it only depends on the
897 >      //order of travesing
898 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL;
899 >           cg = mol->nextCutoffGroup(ci)) {
900 >        GlobalGroupIndices.push_back(cg->getGlobalIndex());
901 >      }        
902      }
903 <
903 >    return GlobalGroupIndices;
904    }
905  
634  void SimInfo::setupFortranSim() {
635    int isError;
636    int nExclude;
637    std::vector<int> fortranGlobalGroupMembership;
638    
639    nExclude = exclude_.getSize();
640    isError = 0;
906  
907 <    //globalGroupMembership_ is filled by SimCreator    
643 <    for (int i = 0; i < nGlobalAtoms_; i++) {
644 <      fortranGlobalGroupMembership.push_back(globalGroupMembership_[i] + 1);
645 <    }
907 >  void SimInfo::prepareTopology() {
908  
909      //calculate mass ratio of cutoff group
648    std::vector<double> mfact;
910      SimInfo::MoleculeIterator mi;
911      Molecule* mol;
912      Molecule::CutoffGroupIterator ci;
913      CutoffGroup* cg;
914      Molecule::AtomIterator ai;
915      Atom* atom;
916 <    double totalMass;
916 >    RealType totalMass;
917  
918 <    //to avoid memory reallocation, reserve enough space for mfact
919 <    mfact.reserve(getNCutoffGroups());
918 >    /**
919 >     * The mass factor is the relative mass of an atom to the total
920 >     * mass of the cutoff group it belongs to.  By default, all atoms
921 >     * are their own cutoff groups, and therefore have mass factors of
922 >     * 1.  We need some special handling for massless atoms, which
923 >     * will be treated as carrying the entire mass of the cutoff
924 >     * group.
925 >     */
926 >    massFactors_.clear();
927 >    massFactors_.resize(getNAtoms(), 1.0);
928      
929      for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {        
930 <      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
930 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL;
931 >           cg = mol->nextCutoffGroup(ci)) {
932  
933          totalMass = cg->getMass();
934          for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
935 <          mfact.push_back(atom->getMass()/totalMass);
935 >          // Check for massless groups - set mfact to 1 if true
936 >          if (totalMass != 0)
937 >            massFactors_[atom->getLocalIndex()] = atom->getMass()/totalMass;
938 >          else
939 >            massFactors_[atom->getLocalIndex()] = 1.0;
940          }
667
941        }      
942      }
943  
944 <    //fill ident array of local atoms (it is actually ident of AtomType, it is so confusing !!!)
672 <    std::vector<int> identArray;
944 >    // Build the identArray_ and regions_
945  
946 <    //to avoid memory reallocation, reserve enough space identArray
947 <    identArray.reserve(getNAtoms());
948 <    
949 <    for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {        
946 >    identArray_.clear();
947 >    identArray_.reserve(getNAtoms());  
948 >    regions_.clear();
949 >    regions_.reserve(getNAtoms());
950 >
951 >    for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {      
952 >      int reg = mol->getRegion();      
953        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
954 <        identArray.push_back(atom->getIdent());
954 >        identArray_.push_back(atom->getIdent());
955 >        regions_.push_back(reg);
956        }
957      }    
958 <
959 <    //fill molMembershipArray
684 <    //molMembershipArray is filled by SimCreator    
685 <    std::vector<int> molMembershipArray(nGlobalAtoms_);
686 <    for (int i = 0; i < nGlobalAtoms_; i++) {
687 <      molMembershipArray[i] = globalMolMembership_[i] + 1;
688 <    }
689 <    
690 <    //setup fortran simulation
691 <    int nGlobalExcludes = 0;
692 <    int* globalExcludes = NULL;
693 <    int* excludeList = exclude_.getExcludeList();
694 <    setFortranSim( &fInfo_, &nGlobalAtoms_, &nAtoms_, &identArray[0], &nExclude, excludeList ,
695 <                   &nGlobalExcludes, globalExcludes, &molMembershipArray[0],
696 <                   &mfact[0], &nCutoffGroups_, &fortranGlobalGroupMembership[0], &isError);
697 <
698 <    if( isError ){
699 <
700 <      sprintf( painCave.errMsg,
701 <               "There was an error setting the simulation information in fortran.\n" );
702 <      painCave.isFatal = 1;
703 <      painCave.severity = OOPSE_ERROR;
704 <      simError();
705 <    }
706 <
707 < #ifdef IS_MPI
708 <    sprintf( checkPointMsg,
709 <             "succesfully sent the simulation information to fortran.\n");
710 <    MPIcheckPoint();
711 < #endif // is_mpi
712 <  }
713 <
714 <
715 < #ifdef IS_MPI
716 <  void SimInfo::setupFortranParallel() {
717 <    
718 <    //SimInfo is responsible for creating localToGlobalAtomIndex and localToGlobalGroupIndex
719 <    std::vector<int> localToGlobalAtomIndex(getNAtoms(), 0);
720 <    std::vector<int> localToGlobalCutoffGroupIndex;
721 <    SimInfo::MoleculeIterator mi;
722 <    Molecule::AtomIterator ai;
723 <    Molecule::CutoffGroupIterator ci;
724 <    Molecule* mol;
725 <    Atom* atom;
726 <    CutoffGroup* cg;
727 <    mpiSimData parallelData;
728 <    int isError;
729 <
730 <    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
731 <
732 <      //local index(index in DataStorge) of atom is important
733 <      for (atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
734 <        localToGlobalAtomIndex[atom->getLocalIndex()] = atom->getGlobalIndex() + 1;
735 <      }
736 <
737 <      //local index of cutoff group is trivial, it only depends on the order of travesing
738 <      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
739 <        localToGlobalCutoffGroupIndex.push_back(cg->getGlobalIndex() + 1);
740 <      }        
741 <        
742 <    }
743 <
744 <    //fill up mpiSimData struct
745 <    parallelData.nMolGlobal = getNGlobalMolecules();
746 <    parallelData.nMolLocal = getNMolecules();
747 <    parallelData.nAtomsGlobal = getNGlobalAtoms();
748 <    parallelData.nAtomsLocal = getNAtoms();
749 <    parallelData.nGroupsGlobal = getNGlobalCutoffGroups();
750 <    parallelData.nGroupsLocal = getNCutoffGroups();
751 <    parallelData.myNode = worldRank;
752 <    MPI_Comm_size(MPI_COMM_WORLD, &(parallelData.nProcessors));
753 <
754 <    //pass mpiSimData struct and index arrays to fortran
755 <    setFsimParallel(&parallelData, &(parallelData.nAtomsLocal),
756 <                    &localToGlobalAtomIndex[0],  &(parallelData.nGroupsLocal),
757 <                    &localToGlobalCutoffGroupIndex[0], &isError);
758 <
759 <    if (isError) {
760 <      sprintf(painCave.errMsg,
761 <              "mpiRefresh errror: fortran didn't like something we gave it.\n");
762 <      painCave.isFatal = 1;
763 <      simError();
764 <    }
765 <
766 <    sprintf(checkPointMsg, " mpiRefresh successful.\n");
767 <    MPIcheckPoint();
768 <
769 <
770 <  }
771 <
772 < #endif
773 <
774 <  double SimInfo::calcMaxCutoffRadius() {
775 <
776 <
777 <    std::set<AtomType*> atomTypes;
778 <    std::set<AtomType*>::iterator i;
779 <    std::vector<double> cutoffRadius;
780 <
781 <    //get the unique atom types
782 <    atomTypes = getUniqueAtomTypes();
783 <
784 <    //query the max cutoff radius among these atom types
785 <    for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
786 <      cutoffRadius.push_back(forceField_->getRcutFromAtomType(*i));
787 <    }
788 <
789 <    double maxCutoffRadius = *(std::max_element(cutoffRadius.begin(), cutoffRadius.end()));
790 < #ifdef IS_MPI
791 <    //pick the max cutoff radius among the processors
792 < #endif
793 <
794 <    return maxCutoffRadius;
958 >      
959 >    topologyDone_ = true;
960    }
961  
797  void SimInfo::getCutoff(double& rcut, double& rsw) {
798    
799    if (fInfo_.SIM_uses_Charges | fInfo_.SIM_uses_Dipoles | fInfo_.SIM_uses_RF) {
800        
801      if (!simParams_->haveRcut()){
802        sprintf(painCave.errMsg,
803                "SimCreator Warning: No value was set for the cutoffRadius.\n"
804                "\tOOPSE will use a default value of 15.0 angstroms"
805                "\tfor the cutoffRadius.\n");
806        painCave.isFatal = 0;
807        simError();
808        rcut = 15.0;
809      } else{
810        rcut = simParams_->getRcut();
811      }
812
813      if (!simParams_->haveRsw()){
814        sprintf(painCave.errMsg,
815                "SimCreator Warning: No value was set for switchingRadius.\n"
816                "\tOOPSE will use a default value of\n"
817                "\t0.95 * cutoffRadius for the switchingRadius\n");
818        painCave.isFatal = 0;
819        simError();
820        rsw = 0.95 * rcut;
821      } else{
822        rsw = simParams_->getRsw();
823      }
824
825    } else {
826      // if charge, dipole or reaction field is not used and the cutofff radius is not specified in
827      //meta-data file, the maximum cutoff radius calculated from forcefiled will be used
828        
829      if (simParams_->haveRcut()) {
830        rcut = simParams_->getRcut();
831      } else {
832        //set cutoff radius to the maximum cutoff radius based on atom types in the whole system
833        rcut = calcMaxCutoffRadius();
834      }
835
836      if (simParams_->haveRsw()) {
837        rsw  = simParams_->getRsw();
838      } else {
839        rsw = rcut;
840      }
841    
842    }
843  }
844
845  void SimInfo::setupCutoff() {    
846    getCutoff(rcut_, rsw_);    
847    double rnblist = rcut_ + 1; // skin of neighbor list
848
849    //Pass these cutoff radius etc. to fortran. This function should be called once and only once
850    
851    int cp =  TRADITIONAL_CUTOFF_POLICY;
852    if (simParams_->haveCutoffPolicy()) {
853      std::string myPolicy = simParams_->getCutoffPolicy();
854      if (myPolicy == "MIX") {
855        cp = MIX_CUTOFF_POLICY;
856      } else {
857        if (myPolicy == "MAX") {
858          cp = MAX_CUTOFF_POLICY;
859        } else {
860          if (myPolicy == "TRADITIONAL") {            
861            cp = TRADITIONAL_CUTOFF_POLICY;
862          } else {
863            // throw error        
864            sprintf( painCave.errMsg,
865                     "SimInfo error: Unknown cutoffPolicy. (Input file specified %s .)\n\tcutoffPolicy must be one of: \"Mix\", \"Max\", or \"Traditional\".", myPolicy.c_str() );
866            painCave.isFatal = 1;
867            simError();
868          }    
869        }          
870      }
871    }
872    notifyFortranCutoffs(&rcut_, &rsw_, &rnblist, &cp);
873  }
874
962    void SimInfo::addProperty(GenericData* genData) {
963      properties_.addProperty(genData);  
964    }
965  
966 <  void SimInfo::removeProperty(const std::string& propName) {
966 >  void SimInfo::removeProperty(const string& propName) {
967      properties_.removeProperty(propName);  
968    }
969  
# Line 884 | Line 971 | namespace oopse {
971      properties_.clearProperties();
972    }
973  
974 <  std::vector<std::string> SimInfo::getPropertyNames() {
974 >  vector<string> SimInfo::getPropertyNames() {
975      return properties_.getPropertyNames();  
976    }
977        
978 <  std::vector<GenericData*> SimInfo::getProperties() {
978 >  vector<GenericData*> SimInfo::getProperties() {
979      return properties_.getProperties();
980    }
981  
982 <  GenericData* SimInfo::getPropertyByName(const std::string& propName) {
982 >  GenericData* SimInfo::getPropertyByName(const string& propName) {
983      return properties_.getPropertyByName(propName);
984    }
985  
# Line 906 | Line 993 | namespace oopse {
993      Molecule* mol;
994      RigidBody* rb;
995      Atom* atom;
996 +    CutoffGroup* cg;
997      SimInfo::MoleculeIterator mi;
998      Molecule::RigidBodyIterator rbIter;
999 <    Molecule::AtomIterator atomIter;;
999 >    Molecule::AtomIterator atomIter;
1000 >    Molecule::CutoffGroupIterator cgIter;
1001  
1002      for (mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
1003          
1004 <      for (atom = mol->beginAtom(atomIter); atom != NULL; atom = mol->nextAtom(atomIter)) {
1004 >      for (atom = mol->beginAtom(atomIter); atom != NULL;
1005 >           atom = mol->nextAtom(atomIter)) {
1006          atom->setSnapshotManager(sman_);
1007        }
1008          
1009 <      for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
1009 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
1010 >           rb = mol->nextRigidBody(rbIter)) {
1011          rb->setSnapshotManager(sman_);
1012        }
1013 +
1014 +      for (cg = mol->beginCutoffGroup(cgIter); cg != NULL;
1015 +           cg = mol->nextCutoffGroup(cgIter)) {
1016 +        cg->setSnapshotManager(sman_);
1017 +      }
1018      }    
1019      
1020    }
1021  
926  Vector3d SimInfo::getComVel(){
927    SimInfo::MoleculeIterator i;
928    Molecule* mol;
1022  
1023 <    Vector3d comVel(0.0);
931 <    double totalMass = 0.0;
932 <    
933 <
934 <    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
935 <      double mass = mol->getMass();
936 <      totalMass += mass;
937 <      comVel += mass * mol->getComVel();
938 <    }  
1023 >  ostream& operator <<(ostream& o, SimInfo& info) {
1024  
940 #ifdef IS_MPI
941    double tmpMass = totalMass;
942    Vector3d tmpComVel(comVel);    
943    MPI_Allreduce(&tmpMass,&totalMass,1,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
944    MPI_Allreduce(tmpComVel.getArrayPointer(), comVel.getArrayPointer(),3,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
945 #endif
946
947    comVel /= totalMass;
948
949    return comVel;
950  }
951
952  Vector3d SimInfo::getCom(){
953    SimInfo::MoleculeIterator i;
954    Molecule* mol;
955
956    Vector3d com(0.0);
957    double totalMass = 0.0;
958    
959    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
960      double mass = mol->getMass();
961      totalMass += mass;
962      com += mass * mol->getCom();
963    }  
964
965 #ifdef IS_MPI
966    double tmpMass = totalMass;
967    Vector3d tmpCom(com);    
968    MPI_Allreduce(&tmpMass,&totalMass,1,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
969    MPI_Allreduce(tmpCom.getArrayPointer(), com.getArrayPointer(),3,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
970 #endif
971
972    com /= totalMass;
973
974    return com;
975
976  }        
977
978  std::ostream& operator <<(std::ostream& o, SimInfo& info) {
979
1025      return o;
1026    }
1027    
1028 <  
1029 <   /*
1030 <   Returns center of mass and center of mass velocity in one function call.
1031 <   */
1032 <  
1033 <   void SimInfo::getComAll(Vector3d &com, Vector3d &comVel){
1034 <      SimInfo::MoleculeIterator i;
1035 <      Molecule* mol;
1036 <      
1037 <    
1038 <      double totalMass = 0.0;
1039 <    
1028 >  
1029 >  StuntDouble* SimInfo::getIOIndexToIntegrableObject(int index) {
1030 >    if (index >= int(IOIndexToIntegrableObject.size())) {
1031 >      sprintf(painCave.errMsg,
1032 >              "SimInfo::getIOIndexToIntegrableObject Error: Integrable Object\n"
1033 >              "\tindex exceeds number of known objects!\n");
1034 >      painCave.isFatal = 1;
1035 >      simError();
1036 >      return NULL;
1037 >    } else
1038 >      return IOIndexToIntegrableObject.at(index);
1039 >  }
1040 >  
1041 >  void SimInfo::setIOIndexToIntegrableObject(const vector<StuntDouble*>& v) {
1042 >    IOIndexToIntegrableObject= v;
1043 >  }
1044  
1045 <      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1046 <         double mass = mol->getMass();
998 <         totalMass += mass;
999 <         com += mass * mol->getCom();
1000 <         comVel += mass * mol->getComVel();          
1001 <      }  
1002 <      
1045 >  int SimInfo::getNGlobalConstraints() {
1046 >    int nGlobalConstraints;
1047   #ifdef IS_MPI
1048 <      double tmpMass = totalMass;
1049 <      Vector3d tmpCom(com);  
1050 <      Vector3d tmpComVel(comVel);
1051 <      MPI_Allreduce(&tmpMass,&totalMass,1,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
1008 <      MPI_Allreduce(tmpCom.getArrayPointer(), com.getArrayPointer(),3,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
1009 <      MPI_Allreduce(tmpComVel.getArrayPointer(), comVel.getArrayPointer(),3,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
1048 >    MPI::COMM_WORLD.Allreduce(&nConstraints_, &nGlobalConstraints, 1,
1049 >                              MPI::INT, MPI::SUM);
1050 > #else
1051 >    nGlobalConstraints =  nConstraints_;
1052   #endif
1053 <      
1054 <      com /= totalMass;
1013 <      comVel /= totalMass;
1014 <   }        
1015 <  
1016 <   /*
1017 <   Return intertia tensor for entire system and angular momentum Vector.
1053 >    return nGlobalConstraints;
1054 >  }
1055  
1056 + }//end namespace OpenMD
1057  
1020       [  Ixx -Ixy  -Ixz ]
1021  J =| -Iyx  Iyy  -Iyz |
1022       [ -Izx -Iyz   Izz ]
1023    */
1024
1025   void SimInfo::getInertiaTensor(Mat3x3d &inertiaTensor, Vector3d &angularMomentum){
1026      
1027
1028      double xx = 0.0;
1029      double yy = 0.0;
1030      double zz = 0.0;
1031      double xy = 0.0;
1032      double xz = 0.0;
1033      double yz = 0.0;
1034      Vector3d com(0.0);
1035      Vector3d comVel(0.0);
1036      
1037      getComAll(com, comVel);
1038      
1039      SimInfo::MoleculeIterator i;
1040      Molecule* mol;
1041      
1042      Vector3d thisq(0.0);
1043      Vector3d thisv(0.0);
1044
1045      double thisMass = 0.0;
1046    
1047      
1048      
1049  
1050      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1051        
1052         thisq = mol->getCom()-com;
1053         thisv = mol->getComVel()-comVel;
1054         thisMass = mol->getMass();
1055         // Compute moment of intertia coefficients.
1056         xx += thisq[0]*thisq[0]*thisMass;
1057         yy += thisq[1]*thisq[1]*thisMass;
1058         zz += thisq[2]*thisq[2]*thisMass;
1059        
1060         // compute products of intertia
1061         xy += thisq[0]*thisq[1]*thisMass;
1062         xz += thisq[0]*thisq[2]*thisMass;
1063         yz += thisq[1]*thisq[2]*thisMass;
1064            
1065         angularMomentum += cross( thisq, thisv ) * thisMass;
1066            
1067      }  
1068      
1069      
1070      inertiaTensor(0,0) = yy + zz;
1071      inertiaTensor(0,1) = -xy;
1072      inertiaTensor(0,2) = -xz;
1073      inertiaTensor(1,0) = -xy;
1074      inertiaTensor(1,1) = xx + zz;
1075      inertiaTensor(1,2) = -yz;
1076      inertiaTensor(2,0) = -xz;
1077      inertiaTensor(2,1) = -yz;
1078      inertiaTensor(2,2) = xx + yy;
1079      
1080 #ifdef IS_MPI
1081      Mat3x3d tmpI(inertiaTensor);
1082      Vector3d tmpAngMom;
1083      MPI_Allreduce(tmpI.getArrayPointer(), inertiaTensor.getArrayPointer(),9,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
1084      MPI_Allreduce(tmpAngMom.getArrayPointer(), angularMomentum.getArrayPointer(),3,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
1085 #endif
1086              
1087      return;
1088   }
1089
1090   //Returns the angular momentum of the system
1091   Vector3d SimInfo::getAngularMomentum(){
1092      
1093      Vector3d com(0.0);
1094      Vector3d comVel(0.0);
1095      Vector3d angularMomentum(0.0);
1096      
1097      getComAll(com,comVel);
1098      
1099      SimInfo::MoleculeIterator i;
1100      Molecule* mol;
1101      
1102      Vector3d thisr(0.0);
1103      Vector3d thisp(0.0);
1104      
1105      double thisMass;
1106      
1107      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {        
1108        thisMass = mol->getMass();
1109        thisr = mol->getCom()-com;
1110        thisp = (mol->getComVel()-comVel)*thisMass;
1111        
1112        angularMomentum += cross( thisr, thisp );
1113        
1114      }  
1115      
1116 #ifdef IS_MPI
1117      Vector3d tmpAngMom;
1118      MPI_Allreduce(tmpAngMom.getArrayPointer(), angularMomentum.getArrayPointer(),3,MPI_DOUBLE,MPI_SUM, MPI_COMM_WORLD);
1119 #endif
1120      
1121      return angularMomentum;
1122   }
1123  
1124  
1125 }//end namespace oopse
1126

Comparing trunk/src/brains/SimInfo.cpp (property svn:keywords):
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Revision 1930 by gezelter, Mon Aug 19 13:51:04 2013 UTC

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