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Comparing trunk/src/brains/SimInfo.cpp (file contents):
Revision 3 by tim, Fri Sep 24 16:27:58 2004 UTC vs.
Revision 1313 by gezelter, Wed Oct 22 20:01:49 2008 UTC

# Line 1 | Line 1
1 < #include <stdlib.h>
2 < #include <string.h>
3 < #include <math.h>
1 > /*
2 > * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3 > *
4 > * The University of Notre Dame grants you ("Licensee") a
5 > * non-exclusive, royalty free, license to use, modify and
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
19 > *    notice, this list of conditions and the following disclaimer.
20 > *
21 > * 3. Redistributions in binary form must reproduce the above copyright
22 > *    notice, this list of conditions and the following disclaimer in the
23 > *    documentation and/or other materials provided with the
24 > *    distribution.
25 > *
26 > * This software is provided "AS IS," without a warranty of any
27 > * kind. All express or implied conditions, representations and
28 > * warranties, including any implied warranty of merchantability,
29 > * fitness for a particular purpose or non-infringement, are hereby
30 > * excluded.  The University of Notre Dame and its licensors shall not
31 > * be liable for any damages suffered by licensee as a result of
32 > * using, modifying or distributing the software or its
33 > * derivatives. In no event will the University of Notre Dame or its
34 > * licensors be liable for any lost revenue, profit or data, or for
35 > * direct, indirect, special, consequential, incidental or punitive
36 > * damages, however caused and regardless of the theory of liability,
37 > * arising out of the use of or inability to use software, even if the
38 > * University of Notre Dame has been advised of the possibility of
39 > * such damages.
40 > */
41 >
42 > /**
43 > * @file SimInfo.cpp
44 > * @author    tlin
45 > * @date  11/02/2004
46 > * @version 1.0
47 > */
48  
49 < #include <iostream>
50 < using namespace std;
49 > #include <algorithm>
50 > #include <set>
51 > #include <map>
52  
53   #include "brains/SimInfo.hpp"
54 < #define __C
55 < #include "brains/fSimulation.h"
54 > #include "math/Vector3.hpp"
55 > #include "primitives/Molecule.hpp"
56 > #include "primitives/StuntDouble.hpp"
57 > #include "UseTheForce/fCutoffPolicy.h"
58 > #include "UseTheForce/DarkSide/fElectrostaticSummationMethod.h"
59 > #include "UseTheForce/DarkSide/fElectrostaticScreeningMethod.h"
60 > #include "UseTheForce/DarkSide/fSwitchingFunctionType.h"
61 > #include "UseTheForce/doForces_interface.h"
62 > #include "UseTheForce/DarkSide/neighborLists_interface.h"
63 > #include "UseTheForce/DarkSide/electrostatic_interface.h"
64 > #include "UseTheForce/DarkSide/switcheroo_interface.h"
65 > #include "utils/MemoryUtils.hpp"
66   #include "utils/simError.h"
67 + #include "selection/SelectionManager.hpp"
68 + #include "io/ForceFieldOptions.hpp"
69 + #include "UseTheForce/ForceField.hpp"
70  
13 #include "UseTheForce/fortranWrappers.hpp"
71  
15 #include "math/MatVec3.h"
16
72   #ifdef IS_MPI
73 < #include "brains/mpiSimulation.hpp"
74 < #endif
73 > #include "UseTheForce/mpiComponentPlan.h"
74 > #include "UseTheForce/DarkSide/simParallel_interface.h"
75 > #endif
76  
77 < inline double roundMe( double x ){
78 <  return ( x >= 0 ) ? floor( x + 0.5 ) : ceil( x - 0.5 );
79 < }
80 <          
81 < inline double min( double a, double b ){
82 <  return (a < b ) ? a : b;
83 < }
77 > namespace oopse {
78 >  std::set<int> getRigidSet(int index, std::map<int, std::set<int> >& container) {
79 >    std::map<int, std::set<int> >::iterator i = container.find(index);
80 >    std::set<int> result;
81 >    if (i != container.end()) {
82 >        result = i->second;
83 >    }
84  
85 < SimInfo* currentInfo;
86 <
31 < SimInfo::SimInfo(){
32 <
33 <  n_constraints = 0;
34 <  nZconstraints = 0;
35 <  n_oriented = 0;
36 <  n_dipoles = 0;
37 <  ndf = 0;
38 <  ndfRaw = 0;
39 <  nZconstraints = 0;
40 <  the_integrator = NULL;
41 <  setTemp = 0;
42 <  thermalTime = 0.0;
43 <  currentTime = 0.0;
44 <  rCut = 0.0;
45 <  rSw = 0.0;
46 <
47 <  haveRcut = 0;
48 <  haveRsw = 0;
49 <  boxIsInit = 0;
85 >    return result;
86 >  }
87    
88 <  resetTime = 1e99;
88 >  SimInfo::SimInfo(ForceField* ff, Globals* simParams) :
89 >    forceField_(ff), simParams_(simParams),
90 >    ndf_(0), fdf_local(0), ndfRaw_(0), ndfTrans_(0), nZconstraint_(0),
91 >    nGlobalMols_(0), nGlobalAtoms_(0), nGlobalCutoffGroups_(0),
92 >    nGlobalIntegrableObjects_(0), nGlobalRigidBodies_(0),
93 >    nAtoms_(0), nBonds_(0),  nBends_(0), nTorsions_(0), nInversions_(0),
94 >    nRigidBodies_(0), nIntegrableObjects_(0), nCutoffGroups_(0),
95 >    nConstraints_(0), sman_(NULL), fortranInitialized_(false),
96 >    calcBoxDipole_(false), useAtomicVirial_(true) {
97  
53  orthoRhombic = 0;
54  orthoTolerance = 1E-6;
55  useInitXSstate = true;
98  
99 <  usePBC = 0;
100 <  useLJ = 0;
101 <  useSticky = 0;
102 <  useCharges = 0;
103 <  useDipoles = 0;
104 <  useReactionField = 0;
105 <  useGB = 0;
64 <  useEAM = 0;
65 <  useSolidThermInt = 0;
66 <  useLiquidThermInt = 0;
99 >      MoleculeStamp* molStamp;
100 >      int nMolWithSameStamp;
101 >      int nCutoffAtoms = 0; // number of atoms belong to cutoff groups
102 >      int nGroups = 0;      //total cutoff groups defined in meta-data file
103 >      CutoffGroupStamp* cgStamp;    
104 >      RigidBodyStamp* rbStamp;
105 >      int nRigidAtoms = 0;
106  
107 <  haveCutoffGroups = false;
107 >      std::vector<Component*> components = simParams->getComponents();
108 >      
109 >      for (std::vector<Component*>::iterator i = components.begin(); i !=components.end(); ++i) {
110 >        molStamp = (*i)->getMoleculeStamp();
111 >        nMolWithSameStamp = (*i)->getNMol();
112 >        
113 >        addMoleculeStamp(molStamp, nMolWithSameStamp);
114  
115 <  excludes = Exclude::Instance();
115 >        //calculate atoms in molecules
116 >        nGlobalAtoms_ += molStamp->getNAtoms() *nMolWithSameStamp;  
117  
118 <  myConfiguration = new SimState();
118 >        //calculate atoms in cutoff groups
119 >        int nAtomsInGroups = 0;
120 >        int nCutoffGroupsInStamp = molStamp->getNCutoffGroups();
121 >        
122 >        for (int j=0; j < nCutoffGroupsInStamp; j++) {
123 >          cgStamp = molStamp->getCutoffGroupStamp(j);
124 >          nAtomsInGroups += cgStamp->getNMembers();
125 >        }
126  
127 <  has_minimizer = false;
75 <  the_minimizer =NULL;
127 >        nGroups += nCutoffGroupsInStamp * nMolWithSameStamp;
128  
129 <  ngroup = 0;
129 >        nCutoffAtoms += nAtomsInGroups * nMolWithSameStamp;            
130  
131 <  wrapMeSimInfo( this );
132 < }
131 >        //calculate atoms in rigid bodies
132 >        int nAtomsInRigidBodies = 0;
133 >        int nRigidBodiesInStamp = molStamp->getNRigidBodies();
134 >        
135 >        for (int j=0; j < nRigidBodiesInStamp; j++) {
136 >          rbStamp = molStamp->getRigidBodyStamp(j);
137 >          nAtomsInRigidBodies += rbStamp->getNMembers();
138 >        }
139  
140 +        nGlobalRigidBodies_ += nRigidBodiesInStamp * nMolWithSameStamp;
141 +        nRigidAtoms += nAtomsInRigidBodies * nMolWithSameStamp;            
142 +        
143 +      }
144  
145 < SimInfo::~SimInfo(){
145 >      //every free atom (atom does not belong to cutoff groups) is a cutoff
146 >      //group therefore the total number of cutoff groups in the system is
147 >      //equal to the total number of atoms minus number of atoms belong to
148 >      //cutoff group defined in meta-data file plus the number of cutoff
149 >      //groups defined in meta-data file
150 >      nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
151  
152 <  delete myConfiguration;
153 <
154 <  map<string, GenericData*>::iterator i;
152 >      //every free atom (atom does not belong to rigid bodies) is an
153 >      //integrable object therefore the total number of integrable objects
154 >      //in the system is equal to the total number of atoms minus number of
155 >      //atoms belong to rigid body defined in meta-data file plus the number
156 >      //of rigid bodies defined in meta-data file
157 >      nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms
158 >                                                + nGlobalRigidBodies_;
159    
160 <  for(i = properties.begin(); i != properties.end(); i++)
161 <    delete (*i).second;
160 >      nGlobalMols_ = molStampIds_.size();
161 >      molToProcMap_.resize(nGlobalMols_);
162 >    }
163  
164 < }
164 >  SimInfo::~SimInfo() {
165 >    std::map<int, Molecule*>::iterator i;
166 >    for (i = molecules_.begin(); i != molecules_.end(); ++i) {
167 >      delete i->second;
168 >    }
169 >    molecules_.clear();
170 >      
171 >    delete sman_;
172 >    delete simParams_;
173 >    delete forceField_;
174 >  }
175  
176 < void SimInfo::setBox(double newBox[3]) {
177 <  
178 <  int i, j;
179 <  double tempMat[3][3];
176 >  int SimInfo::getNGlobalConstraints() {
177 >    int nGlobalConstraints;
178 > #ifdef IS_MPI
179 >    MPI_Allreduce(&nConstraints_, &nGlobalConstraints, 1, MPI_INT, MPI_SUM,
180 >                  MPI_COMM_WORLD);    
181 > #else
182 >    nGlobalConstraints =  nConstraints_;
183 > #endif
184 >    return nGlobalConstraints;
185 >  }
186  
187 <  for(i=0; i<3; i++)
188 <    for (j=0; j<3; j++) tempMat[i][j] = 0.0;;
187 >  bool SimInfo::addMolecule(Molecule* mol) {
188 >    MoleculeIterator i;
189  
190 <  tempMat[0][0] = newBox[0];
191 <  tempMat[1][1] = newBox[1];
104 <  tempMat[2][2] = newBox[2];
190 >    i = molecules_.find(mol->getGlobalIndex());
191 >    if (i == molecules_.end() ) {
192  
193 <  setBoxM( tempMat );
193 >      molecules_.insert(std::make_pair(mol->getGlobalIndex(), mol));
194 >        
195 >      nAtoms_ += mol->getNAtoms();
196 >      nBonds_ += mol->getNBonds();
197 >      nBends_ += mol->getNBends();
198 >      nTorsions_ += mol->getNTorsions();
199 >      nInversions_ += mol->getNInversions();
200 >      nRigidBodies_ += mol->getNRigidBodies();
201 >      nIntegrableObjects_ += mol->getNIntegrableObjects();
202 >      nCutoffGroups_ += mol->getNCutoffGroups();
203 >      nConstraints_ += mol->getNConstraintPairs();
204  
205 < }
109 <
110 < void SimInfo::setBoxM( double theBox[3][3] ){
205 >      addInteractionPairs(mol);
206    
207 <  int i, j;
208 <  double FortranHmat[9]; // to preserve compatibility with Fortran the
209 <                         // ordering in the array is as follows:
210 <                         // [ 0 3 6 ]
211 <                         // [ 1 4 7 ]
117 <                         // [ 2 5 8 ]
118 <  double FortranHmatInv[9]; // the inverted Hmat (for Fortran);
207 >      return true;
208 >    } else {
209 >      return false;
210 >    }
211 >  }
212  
213 <  if( !boxIsInit ) boxIsInit = 1;
213 >  bool SimInfo::removeMolecule(Molecule* mol) {
214 >    MoleculeIterator i;
215 >    i = molecules_.find(mol->getGlobalIndex());
216  
217 <  for(i=0; i < 3; i++)
123 <    for (j=0; j < 3; j++) Hmat[i][j] = theBox[i][j];
124 <  
125 <  calcBoxL();
126 <  calcHmatInv();
217 >    if (i != molecules_.end() ) {
218  
219 <  for(i=0; i < 3; i++) {
220 <    for (j=0; j < 3; j++) {
221 <      FortranHmat[3*j + i] = Hmat[i][j];
222 <      FortranHmatInv[3*j + i] = HmatInv[i][j];
223 <    }
224 <  }
219 >      assert(mol == i->second);
220 >        
221 >      nAtoms_ -= mol->getNAtoms();
222 >      nBonds_ -= mol->getNBonds();
223 >      nBends_ -= mol->getNBends();
224 >      nTorsions_ -= mol->getNTorsions();
225 >      nInversions_ -= mol->getNInversions();
226 >      nRigidBodies_ -= mol->getNRigidBodies();
227 >      nIntegrableObjects_ -= mol->getNIntegrableObjects();
228 >      nCutoffGroups_ -= mol->getNCutoffGroups();
229 >      nConstraints_ -= mol->getNConstraintPairs();
230  
231 <  setFortranBoxSize(FortranHmat, FortranHmatInv, &orthoRhombic);
232 <
137 < }
138 <
231 >      removeInteractionPairs(mol);
232 >      molecules_.erase(mol->getGlobalIndex());
233  
234 < void SimInfo::getBoxM (double theBox[3][3]) {
234 >      delete mol;
235 >        
236 >      return true;
237 >    } else {
238 >      return false;
239 >    }
240  
142  int i, j;
143  for(i=0; i<3; i++)
144    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j];
145 }
241  
242 +  }    
243  
244 < void SimInfo::scaleBox(double scale) {
245 <  double theBox[3][3];
246 <  int i, j;
244 >        
245 >  Molecule* SimInfo::beginMolecule(MoleculeIterator& i) {
246 >    i = molecules_.begin();
247 >    return i == molecules_.end() ? NULL : i->second;
248 >  }    
249  
250 <  // cerr << "Scaling box by " << scale << "\n";
250 >  Molecule* SimInfo::nextMolecule(MoleculeIterator& i) {
251 >    ++i;
252 >    return i == molecules_.end() ? NULL : i->second;    
253 >  }
254  
154  for(i=0; i<3; i++)
155    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j]*scale;
255  
256 <  setBoxM(theBox);
256 >  void SimInfo::calcNdf() {
257 >    int ndf_local;
258 >    MoleculeIterator i;
259 >    std::vector<StuntDouble*>::iterator j;
260 >    Molecule* mol;
261 >    StuntDouble* integrableObject;
262  
263 < }
263 >    ndf_local = 0;
264 >    
265 >    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
266 >      for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL;
267 >           integrableObject = mol->nextIntegrableObject(j)) {
268  
269 < void SimInfo::calcHmatInv( void ) {
162 <  
163 <  int oldOrtho;
164 <  int i,j;
165 <  double smallDiag;
166 <  double tol;
167 <  double sanity[3][3];
269 >        ndf_local += 3;
270  
271 <  invertMat3( Hmat, HmatInv );
272 <
273 <  // check to see if Hmat is orthorhombic
274 <  
275 <  oldOrtho = orthoRhombic;
276 <
277 <  smallDiag = fabs(Hmat[0][0]);
278 <  if(smallDiag > fabs(Hmat[1][1])) smallDiag = fabs(Hmat[1][1]);
177 <  if(smallDiag > fabs(Hmat[2][2])) smallDiag = fabs(Hmat[2][2]);
178 <  tol = smallDiag * orthoTolerance;
179 <
180 <  orthoRhombic = 1;
181 <  
182 <  for (i = 0; i < 3; i++ ) {
183 <    for (j = 0 ; j < 3; j++) {
184 <      if (i != j) {
185 <        if (orthoRhombic) {
186 <          if ( fabs(Hmat[i][j]) >= tol) orthoRhombic = 0;
187 <        }        
271 >        if (integrableObject->isDirectional()) {
272 >          if (integrableObject->isLinear()) {
273 >            ndf_local += 2;
274 >          } else {
275 >            ndf_local += 3;
276 >          }
277 >        }
278 >            
279        }
280      }
190  }
191
192  if( oldOrtho != orthoRhombic ){
281      
282 <    if( orthoRhombic ) {
283 <      sprintf( painCave.errMsg,
196 <               "OOPSE is switching from the default Non-Orthorhombic\n"
197 <               "\tto the faster Orthorhombic periodic boundary computations.\n"
198 <               "\tThis is usually a good thing, but if you wan't the\n"
199 <               "\tNon-Orthorhombic computations, make the orthoBoxTolerance\n"
200 <               "\tvariable ( currently set to %G ) smaller.\n",
201 <               orthoTolerance);
202 <      painCave.severity = OOPSE_INFO;
203 <      simError();
204 <    }
205 <    else {
206 <      sprintf( painCave.errMsg,
207 <               "OOPSE is switching from the faster Orthorhombic to the more\n"
208 <               "\tflexible Non-Orthorhombic periodic boundary computations.\n"
209 <               "\tThis is usually because the box has deformed under\n"
210 <               "\tNPTf integration. If you wan't to live on the edge with\n"
211 <               "\tthe Orthorhombic computations, make the orthoBoxTolerance\n"
212 <               "\tvariable ( currently set to %G ) larger.\n",
213 <               orthoTolerance);
214 <      painCave.severity = OOPSE_WARNING;
215 <      simError();
216 <    }
217 <  }
218 < }
282 >    // n_constraints is local, so subtract them on each processor
283 >    ndf_local -= nConstraints_;
284  
285 < void SimInfo::calcBoxL( void ){
285 > #ifdef IS_MPI
286 >    MPI_Allreduce(&ndf_local,&ndf_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
287 > #else
288 >    ndf_ = ndf_local;
289 > #endif
290  
291 <  double dx, dy, dz, dsq;
291 >    // nZconstraints_ is global, as are the 3 COM translations for the
292 >    // entire system:
293 >    ndf_ = ndf_ - 3 - nZconstraint_;
294  
224  // boxVol = Determinant of Hmat
225
226  boxVol = matDet3( Hmat );
227
228  // boxLx
229  
230  dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
231  dsq = dx*dx + dy*dy + dz*dz;
232  boxL[0] = sqrt( dsq );
233  //maxCutoff = 0.5 * boxL[0];
234
235  // boxLy
236  
237  dx = Hmat[0][1]; dy = Hmat[1][1]; dz = Hmat[2][1];
238  dsq = dx*dx + dy*dy + dz*dz;
239  boxL[1] = sqrt( dsq );
240  //if( (0.5 * boxL[1]) < maxCutoff ) maxCutoff = 0.5 * boxL[1];
241
242
243  // boxLz
244  
245  dx = Hmat[0][2]; dy = Hmat[1][2]; dz = Hmat[2][2];
246  dsq = dx*dx + dy*dy + dz*dz;
247  boxL[2] = sqrt( dsq );
248  //if( (0.5 * boxL[2]) < maxCutoff ) maxCutoff = 0.5 * boxL[2];
249
250  //calculate the max cutoff
251  maxCutoff =  calcMaxCutOff();
252  
253  checkCutOffs();
254
255 }
256
257
258 double SimInfo::calcMaxCutOff(){
259
260  double ri[3], rj[3], rk[3];
261  double rij[3], rjk[3], rki[3];
262  double minDist;
263
264  ri[0] = Hmat[0][0];
265  ri[1] = Hmat[1][0];
266  ri[2] = Hmat[2][0];
267
268  rj[0] = Hmat[0][1];
269  rj[1] = Hmat[1][1];
270  rj[2] = Hmat[2][1];
271
272  rk[0] = Hmat[0][2];
273  rk[1] = Hmat[1][2];
274  rk[2] = Hmat[2][2];
275    
276  crossProduct3(ri, rj, rij);
277  distXY = dotProduct3(rk,rij) / norm3(rij);
278
279  crossProduct3(rj,rk, rjk);
280  distYZ = dotProduct3(ri,rjk) / norm3(rjk);
281
282  crossProduct3(rk,ri, rki);
283  distZX = dotProduct3(rj,rki) / norm3(rki);
284
285  minDist = min(min(distXY, distYZ), distZX);
286  return minDist/2;
287  
288 }
289
290 void SimInfo::wrapVector( double thePos[3] ){
291
292  int i;
293  double scaled[3];
294
295  if( !orthoRhombic ){
296    // calc the scaled coordinates.
297  
298
299    matVecMul3(HmatInv, thePos, scaled);
300    
301    for(i=0; i<3; i++)
302      scaled[i] -= roundMe(scaled[i]);
303    
304    // calc the wrapped real coordinates from the wrapped scaled coordinates
305    
306    matVecMul3(Hmat, scaled, thePos);
307
295    }
309  else{
310    // calc the scaled coordinates.
311    
312    for(i=0; i<3; i++)
313      scaled[i] = thePos[i]*HmatInv[i][i];
314    
315    // wrap the scaled coordinates
316    
317    for(i=0; i<3; i++)
318      scaled[i] -= roundMe(scaled[i]);
319    
320    // calc the wrapped real coordinates from the wrapped scaled coordinates
321    
322    for(i=0; i<3; i++)
323      thePos[i] = scaled[i]*Hmat[i][i];
324  }
325    
326 }
296  
297 <
329 < int SimInfo::getNDF(){
330 <  int ndf_local;
331 <
332 <  ndf_local = 0;
333 <  
334 <  for(int i = 0; i < integrableObjects.size(); i++){
335 <    ndf_local += 3;
336 <    if (integrableObjects[i]->isDirectional()) {
337 <      if (integrableObjects[i]->isLinear())
338 <        ndf_local += 2;
339 <      else
340 <        ndf_local += 3;
341 <    }
342 <  }
343 <
344 <  // n_constraints is local, so subtract them on each processor:
345 <
346 <  ndf_local -= n_constraints;
347 <
297 >  int SimInfo::getFdf() {
298   #ifdef IS_MPI
299 <  MPI_Allreduce(&ndf_local,&ndf,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
299 >    MPI_Allreduce(&fdf_local,&fdf_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
300   #else
301 <  ndf = ndf_local;
301 >    fdf_ = fdf_local;
302   #endif
303 +    return fdf_;
304 +  }
305 +    
306 +  void SimInfo::calcNdfRaw() {
307 +    int ndfRaw_local;
308  
309 <  // nZconstraints is global, as are the 3 COM translations for the
310 <  // entire system:
309 >    MoleculeIterator i;
310 >    std::vector<StuntDouble*>::iterator j;
311 >    Molecule* mol;
312 >    StuntDouble* integrableObject;
313  
314 <  ndf = ndf - 3 - nZconstraints;
314 >    // Raw degrees of freedom that we have to set
315 >    ndfRaw_local = 0;
316 >    
317 >    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
318 >      for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL;
319 >           integrableObject = mol->nextIntegrableObject(j)) {
320  
321 <  return ndf;
360 < }
321 >        ndfRaw_local += 3;
322  
323 < int SimInfo::getNDFraw() {
324 <  int ndfRaw_local;
325 <
326 <  // Raw degrees of freedom that we have to set
327 <  ndfRaw_local = 0;
328 <
329 <  for(int i = 0; i < integrableObjects.size(); i++){
330 <    ndfRaw_local += 3;
331 <    if (integrableObjects[i]->isDirectional()) {
371 <       if (integrableObjects[i]->isLinear())
372 <        ndfRaw_local += 2;
373 <      else
374 <        ndfRaw_local += 3;
323 >        if (integrableObject->isDirectional()) {
324 >          if (integrableObject->isLinear()) {
325 >            ndfRaw_local += 2;
326 >          } else {
327 >            ndfRaw_local += 3;
328 >          }
329 >        }
330 >            
331 >      }
332      }
376  }
333      
334   #ifdef IS_MPI
335 <  MPI_Allreduce(&ndfRaw_local,&ndfRaw,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
335 >    MPI_Allreduce(&ndfRaw_local,&ndfRaw_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
336   #else
337 <  ndfRaw = ndfRaw_local;
337 >    ndfRaw_ = ndfRaw_local;
338   #endif
339 +  }
340  
341 <  return ndfRaw;
342 < }
341 >  void SimInfo::calcNdfTrans() {
342 >    int ndfTrans_local;
343  
344 < int SimInfo::getNDFtranslational() {
388 <  int ndfTrans_local;
344 >    ndfTrans_local = 3 * nIntegrableObjects_ - nConstraints_;
345  
390  ndfTrans_local = 3 * integrableObjects.size() - n_constraints;
346  
392
347   #ifdef IS_MPI
348 <  MPI_Allreduce(&ndfTrans_local,&ndfTrans,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
348 >    MPI_Allreduce(&ndfTrans_local,&ndfTrans_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
349   #else
350 <  ndfTrans = ndfTrans_local;
350 >    ndfTrans_ = ndfTrans_local;
351   #endif
352  
353 <  ndfTrans = ndfTrans - 3 - nZconstraints;
353 >    ndfTrans_ = ndfTrans_ - 3 - nZconstraint_;
354 >
355 >  }
356  
357 <  return ndfTrans;
358 < }
357 >  void SimInfo::addInteractionPairs(Molecule* mol) {
358 >    ForceFieldOptions& options_ = forceField_->getForceFieldOptions();
359 >    std::vector<Bond*>::iterator bondIter;
360 >    std::vector<Bend*>::iterator bendIter;
361 >    std::vector<Torsion*>::iterator torsionIter;
362 >    std::vector<Inversion*>::iterator inversionIter;
363 >    Bond* bond;
364 >    Bend* bend;
365 >    Torsion* torsion;
366 >    Inversion* inversion;
367 >    int a;
368 >    int b;
369 >    int c;
370 >    int d;
371  
372 < int SimInfo::getTotIntegrableObjects() {
373 <  int nObjs_local;
374 <  int nObjs;
372 >    // atomGroups can be used to add special interaction maps between
373 >    // groups of atoms that are in two separate rigid bodies.
374 >    // However, most site-site interactions between two rigid bodies
375 >    // are probably not special, just the ones between the physically
376 >    // bonded atoms.  Interactions *within* a single rigid body should
377 >    // always be excluded.  These are done at the bottom of this
378 >    // function.
379  
380 <  nObjs_local =  integrableObjects.size();
380 >    std::map<int, std::set<int> > atomGroups;
381 >    Molecule::RigidBodyIterator rbIter;
382 >    RigidBody* rb;
383 >    Molecule::IntegrableObjectIterator ii;
384 >    StuntDouble* integrableObject;
385 >    
386 >    for (integrableObject = mol->beginIntegrableObject(ii);
387 >         integrableObject != NULL;
388 >         integrableObject = mol->nextIntegrableObject(ii)) {
389 >      
390 >      if (integrableObject->isRigidBody()) {
391 >        rb = static_cast<RigidBody*>(integrableObject);
392 >        std::vector<Atom*> atoms = rb->getAtoms();
393 >        std::set<int> rigidAtoms;
394 >        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
395 >          rigidAtoms.insert(atoms[i]->getGlobalIndex());
396 >        }
397 >        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
398 >          atomGroups.insert(std::map<int, std::set<int> >::value_type(atoms[i]->getGlobalIndex(), rigidAtoms));
399 >        }      
400 >      } else {
401 >        std::set<int> oneAtomSet;
402 >        oneAtomSet.insert(integrableObject->getGlobalIndex());
403 >        atomGroups.insert(std::map<int, std::set<int> >::value_type(integrableObject->getGlobalIndex(), oneAtomSet));        
404 >      }
405 >    }  
406 >          
407 >    for (bond= mol->beginBond(bondIter); bond != NULL;
408 >         bond = mol->nextBond(bondIter)) {
409  
410 +      a = bond->getAtomA()->getGlobalIndex();
411 +      b = bond->getAtomB()->getGlobalIndex();  
412 +    
413 +      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
414 +        oneTwoInteractions_.addPair(a, b);
415 +      } else {
416 +        excludedInteractions_.addPair(a, b);
417 +      }
418 +    }
419  
420 < #ifdef IS_MPI
421 <  MPI_Allreduce(&nObjs_local,&nObjs,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
413 < #else
414 <  nObjs = nObjs_local;
415 < #endif
420 >    for (bend= mol->beginBend(bendIter); bend != NULL;
421 >         bend = mol->nextBend(bendIter)) {
422  
423 +      a = bend->getAtomA()->getGlobalIndex();
424 +      b = bend->getAtomB()->getGlobalIndex();        
425 +      c = bend->getAtomC()->getGlobalIndex();
426 +      
427 +      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
428 +        oneTwoInteractions_.addPair(a, b);      
429 +        oneTwoInteractions_.addPair(b, c);
430 +      } else {
431 +        excludedInteractions_.addPair(a, b);
432 +        excludedInteractions_.addPair(b, c);
433 +      }
434  
435 <  return nObjs;
436 < }
435 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
436 >        oneThreeInteractions_.addPair(a, c);      
437 >      } else {
438 >        excludedInteractions_.addPair(a, c);
439 >      }
440 >    }
441  
442 < void SimInfo::refreshSim(){
442 >    for (torsion= mol->beginTorsion(torsionIter); torsion != NULL;
443 >         torsion = mol->nextTorsion(torsionIter)) {
444  
445 <  simtype fInfo;
446 <  int isError;
447 <  int n_global;
448 <  int* excl;
445 >      a = torsion->getAtomA()->getGlobalIndex();
446 >      b = torsion->getAtomB()->getGlobalIndex();        
447 >      c = torsion->getAtomC()->getGlobalIndex();        
448 >      d = torsion->getAtomD()->getGlobalIndex();      
449  
450 <  fInfo.dielect = 0.0;
450 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
451 >        oneTwoInteractions_.addPair(a, b);      
452 >        oneTwoInteractions_.addPair(b, c);
453 >        oneTwoInteractions_.addPair(c, d);
454 >      } else {
455 >        excludedInteractions_.addPair(a, b);
456 >        excludedInteractions_.addPair(b, c);
457 >        excludedInteractions_.addPair(c, d);
458 >      }
459  
460 <  if( useDipoles ){
461 <    if( useReactionField )fInfo.dielect = dielectric;
462 <  }
460 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
461 >        oneThreeInteractions_.addPair(a, c);      
462 >        oneThreeInteractions_.addPair(b, d);      
463 >      } else {
464 >        excludedInteractions_.addPair(a, c);
465 >        excludedInteractions_.addPair(b, d);
466 >      }
467  
468 <  fInfo.SIM_uses_PBC = usePBC;
469 <  //fInfo.SIM_uses_LJ = 0;
470 <  fInfo.SIM_uses_LJ = useLJ;
471 <  fInfo.SIM_uses_sticky = useSticky;
472 <  //fInfo.SIM_uses_sticky = 0;
473 <  fInfo.SIM_uses_charges = useCharges;
440 <  fInfo.SIM_uses_dipoles = useDipoles;
441 <  //fInfo.SIM_uses_dipoles = 0;
442 <  fInfo.SIM_uses_RF = useReactionField;
443 <  //fInfo.SIM_uses_RF = 0;
444 <  fInfo.SIM_uses_GB = useGB;
445 <  fInfo.SIM_uses_EAM = useEAM;
468 >      if (options_.havevdw14scale() || options_.haveelectrostatic14scale()) {
469 >        oneFourInteractions_.addPair(a, d);      
470 >      } else {
471 >        excludedInteractions_.addPair(a, d);
472 >      }
473 >    }
474  
475 <  n_exclude = excludes->getSize();
476 <  excl = excludes->getFortranArray();
449 <  
450 < #ifdef IS_MPI
451 <  n_global = mpiSim->getNAtomsGlobal();
452 < #else
453 <  n_global = n_atoms;
454 < #endif
455 <  
456 <  isError = 0;
457 <  
458 <  getFortranGroupArrays(this, FglobalGroupMembership, mfact);
459 <  //it may not be a good idea to pass the address of first element in vector
460 <  //since c++ standard does not require vector to be stored continuously in meomory
461 <  //Most of the compilers will organize the memory of vector continuously
462 <  setFsimulation( &fInfo, &n_global, &n_atoms, identArray, &n_exclude, excl,
463 <                  &nGlobalExcludes, globalExcludes, molMembershipArray,
464 <                  &mfact[0], &ngroup, &FglobalGroupMembership[0], &isError);
475 >    for (inversion= mol->beginInversion(inversionIter); inversion != NULL;
476 >         inversion = mol->nextInversion(inversionIter)) {
477  
478 <  if( isError ){
479 <    
480 <    sprintf( painCave.errMsg,
481 <             "There was an error setting the simulation information in fortran.\n" );
482 <    painCave.isFatal = 1;
483 <    painCave.severity = OOPSE_ERROR;
484 <    simError();
478 >      a = inversion->getAtomA()->getGlobalIndex();
479 >      b = inversion->getAtomB()->getGlobalIndex();        
480 >      c = inversion->getAtomC()->getGlobalIndex();        
481 >      d = inversion->getAtomD()->getGlobalIndex();        
482 >
483 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
484 >        oneTwoInteractions_.addPair(a, b);      
485 >        oneTwoInteractions_.addPair(a, c);
486 >        oneTwoInteractions_.addPair(a, d);
487 >      } else {
488 >        excludedInteractions_.addPair(a, b);
489 >        excludedInteractions_.addPair(a, c);
490 >        excludedInteractions_.addPair(a, d);
491 >      }
492 >
493 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
494 >        oneThreeInteractions_.addPair(b, c);    
495 >        oneThreeInteractions_.addPair(b, d);    
496 >        oneThreeInteractions_.addPair(c, d);      
497 >      } else {
498 >        excludedInteractions_.addPair(b, c);
499 >        excludedInteractions_.addPair(b, d);
500 >        excludedInteractions_.addPair(c, d);
501 >      }
502 >    }
503 >
504 >    for (rb = mol->beginRigidBody(rbIter); rb != NULL;
505 >         rb = mol->nextRigidBody(rbIter)) {
506 >      std::vector<Atom*> atoms = rb->getAtoms();
507 >      for (int i = 0; i < static_cast<int>(atoms.size()) -1 ; ++i) {
508 >        for (int j = i + 1; j < static_cast<int>(atoms.size()); ++j) {
509 >          a = atoms[i]->getGlobalIndex();
510 >          b = atoms[j]->getGlobalIndex();
511 >          excludedInteractions_.addPair(a, b);
512 >        }
513 >      }
514 >    }        
515 >
516    }
517 +
518 +  void SimInfo::removeInteractionPairs(Molecule* mol) {
519 +    ForceFieldOptions& options_ = forceField_->getForceFieldOptions();
520 +    std::vector<Bond*>::iterator bondIter;
521 +    std::vector<Bend*>::iterator bendIter;
522 +    std::vector<Torsion*>::iterator torsionIter;
523 +    std::vector<Inversion*>::iterator inversionIter;
524 +    Bond* bond;
525 +    Bend* bend;
526 +    Torsion* torsion;
527 +    Inversion* inversion;
528 +    int a;
529 +    int b;
530 +    int c;
531 +    int d;
532 +
533 +    std::map<int, std::set<int> > atomGroups;
534 +    Molecule::RigidBodyIterator rbIter;
535 +    RigidBody* rb;
536 +    Molecule::IntegrableObjectIterator ii;
537 +    StuntDouble* integrableObject;
538 +    
539 +    for (integrableObject = mol->beginIntegrableObject(ii);
540 +         integrableObject != NULL;
541 +         integrableObject = mol->nextIntegrableObject(ii)) {
542 +      
543 +      if (integrableObject->isRigidBody()) {
544 +        rb = static_cast<RigidBody*>(integrableObject);
545 +        std::vector<Atom*> atoms = rb->getAtoms();
546 +        std::set<int> rigidAtoms;
547 +        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
548 +          rigidAtoms.insert(atoms[i]->getGlobalIndex());
549 +        }
550 +        for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
551 +          atomGroups.insert(std::map<int, std::set<int> >::value_type(atoms[i]->getGlobalIndex(), rigidAtoms));
552 +        }      
553 +      } else {
554 +        std::set<int> oneAtomSet;
555 +        oneAtomSet.insert(integrableObject->getGlobalIndex());
556 +        atomGroups.insert(std::map<int, std::set<int> >::value_type(integrableObject->getGlobalIndex(), oneAtomSet));        
557 +      }
558 +    }  
559 +
560 +    for (bond= mol->beginBond(bondIter); bond != NULL;
561 +         bond = mol->nextBond(bondIter)) {
562 +      
563 +      a = bond->getAtomA()->getGlobalIndex();
564 +      b = bond->getAtomB()->getGlobalIndex();  
565 +    
566 +      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
567 +        oneTwoInteractions_.removePair(a, b);
568 +      } else {
569 +        excludedInteractions_.removePair(a, b);
570 +      }
571 +    }
572 +
573 +    for (bend= mol->beginBend(bendIter); bend != NULL;
574 +         bend = mol->nextBend(bendIter)) {
575 +
576 +      a = bend->getAtomA()->getGlobalIndex();
577 +      b = bend->getAtomB()->getGlobalIndex();        
578 +      c = bend->getAtomC()->getGlobalIndex();
579 +      
580 +      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
581 +        oneTwoInteractions_.removePair(a, b);      
582 +        oneTwoInteractions_.removePair(b, c);
583 +      } else {
584 +        excludedInteractions_.removePair(a, b);
585 +        excludedInteractions_.removePair(b, c);
586 +      }
587 +
588 +      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
589 +        oneThreeInteractions_.removePair(a, c);      
590 +      } else {
591 +        excludedInteractions_.removePair(a, c);
592 +      }
593 +    }
594 +
595 +    for (torsion= mol->beginTorsion(torsionIter); torsion != NULL;
596 +         torsion = mol->nextTorsion(torsionIter)) {
597 +
598 +      a = torsion->getAtomA()->getGlobalIndex();
599 +      b = torsion->getAtomB()->getGlobalIndex();        
600 +      c = torsion->getAtomC()->getGlobalIndex();        
601 +      d = torsion->getAtomD()->getGlobalIndex();      
602    
603 < #ifdef IS_MPI
604 <  sprintf( checkPointMsg,
605 <           "succesfully sent the simulation information to fortran.\n");
606 <  MPIcheckPoint();
607 < #endif // is_mpi
608 <  
609 <  this->ndf = this->getNDF();
610 <  this->ndfRaw = this->getNDFraw();
611 <  this->ndfTrans = this->getNDFtranslational();
484 < }
603 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
604 >        oneTwoInteractions_.removePair(a, b);      
605 >        oneTwoInteractions_.removePair(b, c);
606 >        oneTwoInteractions_.removePair(c, d);
607 >      } else {
608 >        excludedInteractions_.removePair(a, b);
609 >        excludedInteractions_.removePair(b, c);
610 >        excludedInteractions_.removePair(c, d);
611 >      }
612  
613 < void SimInfo::setDefaultRcut( double theRcut ){
613 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
614 >        oneThreeInteractions_.removePair(a, c);      
615 >        oneThreeInteractions_.removePair(b, d);      
616 >      } else {
617 >        excludedInteractions_.removePair(a, c);
618 >        excludedInteractions_.removePair(b, d);
619 >      }
620 >
621 >      if (options_.havevdw14scale() || options_.haveelectrostatic14scale()) {
622 >        oneFourInteractions_.removePair(a, d);      
623 >      } else {
624 >        excludedInteractions_.removePair(a, d);
625 >      }
626 >    }
627 >
628 >    for (inversion= mol->beginInversion(inversionIter); inversion != NULL;
629 >         inversion = mol->nextInversion(inversionIter)) {
630 >
631 >      a = inversion->getAtomA()->getGlobalIndex();
632 >      b = inversion->getAtomB()->getGlobalIndex();        
633 >      c = inversion->getAtomC()->getGlobalIndex();        
634 >      d = inversion->getAtomD()->getGlobalIndex();        
635 >
636 >      if (options_.havevdw12scale() || options_.haveelectrostatic12scale()) {
637 >        oneTwoInteractions_.removePair(a, b);      
638 >        oneTwoInteractions_.removePair(a, c);
639 >        oneTwoInteractions_.removePair(a, d);
640 >      } else {
641 >        excludedInteractions_.removePair(a, b);
642 >        excludedInteractions_.removePair(a, c);
643 >        excludedInteractions_.removePair(a, d);
644 >      }
645 >
646 >      if (options_.havevdw13scale() || options_.haveelectrostatic13scale()) {
647 >        oneThreeInteractions_.removePair(b, c);    
648 >        oneThreeInteractions_.removePair(b, d);    
649 >        oneThreeInteractions_.removePair(c, d);      
650 >      } else {
651 >        excludedInteractions_.removePair(b, c);
652 >        excludedInteractions_.removePair(b, d);
653 >        excludedInteractions_.removePair(c, d);
654 >      }
655 >    }
656 >
657 >    for (rb = mol->beginRigidBody(rbIter); rb != NULL;
658 >         rb = mol->nextRigidBody(rbIter)) {
659 >      std::vector<Atom*> atoms = rb->getAtoms();
660 >      for (int i = 0; i < static_cast<int>(atoms.size()) -1 ; ++i) {
661 >        for (int j = i + 1; j < static_cast<int>(atoms.size()); ++j) {
662 >          a = atoms[i]->getGlobalIndex();
663 >          b = atoms[j]->getGlobalIndex();
664 >          excludedInteractions_.removePair(a, b);
665 >        }
666 >      }
667 >    }        
668 >    
669 >  }
670    
488  haveRcut = 1;
489  rCut = theRcut;
490  rList = rCut + 1.0;
671    
672 <  notifyFortranCutOffs( &rCut, &rSw, &rList );
673 < }
672 >  void SimInfo::addMoleculeStamp(MoleculeStamp* molStamp, int nmol) {
673 >    int curStampId;
674 >    
675 >    //index from 0
676 >    curStampId = moleculeStamps_.size();
677  
678 < void SimInfo::setDefaultRcut( double theRcut, double theRsw ){
678 >    moleculeStamps_.push_back(molStamp);
679 >    molStampIds_.insert(molStampIds_.end(), nmol, curStampId);
680 >  }
681  
682 <  rSw = theRsw;
683 <  setDefaultRcut( theRcut );
684 < }
682 >  void SimInfo::update() {
683 >
684 >    setupSimType();
685 >
686 > #ifdef IS_MPI
687 >    setupFortranParallel();
688 > #endif
689 >
690 >    setupFortranSim();
691 >
692 >    //setup fortran force field
693 >    /** @deprecate */    
694 >    int isError = 0;
695 >    
696 >    setupCutoff();
697 >    
698 >    setupElectrostaticSummationMethod( isError );
699 >    setupSwitchingFunction();
700 >    setupAccumulateBoxDipole();
701 >
702 >    if(isError){
703 >      sprintf( painCave.errMsg,
704 >               "ForceField error: There was an error initializing the forceField in fortran.\n" );
705 >      painCave.isFatal = 1;
706 >      simError();
707 >    }
708 >
709 >    calcNdf();
710 >    calcNdfRaw();
711 >    calcNdfTrans();
712 >
713 >    fortranInitialized_ = true;
714 >  }
715 >
716 >  std::set<AtomType*> SimInfo::getUniqueAtomTypes() {
717 >    SimInfo::MoleculeIterator mi;
718 >    Molecule* mol;
719 >    Molecule::AtomIterator ai;
720 >    Atom* atom;
721 >    std::set<AtomType*> atomTypes;
722 >
723 >    for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
724 >
725 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
726 >        atomTypes.insert(atom->getAtomType());
727 >      }
728 >        
729 >    }
730 >
731 >    return atomTypes;        
732 >  }
733 >
734 >  void SimInfo::setupSimType() {
735 >    std::set<AtomType*>::iterator i;
736 >    std::set<AtomType*> atomTypes;
737 >    atomTypes = getUniqueAtomTypes();
738 >    
739 >    int useLennardJones = 0;
740 >    int useElectrostatic = 0;
741 >    int useEAM = 0;
742 >    int useSC = 0;
743 >    int useCharge = 0;
744 >    int useDirectional = 0;
745 >    int useDipole = 0;
746 >    int useGayBerne = 0;
747 >    int useSticky = 0;
748 >    int useStickyPower = 0;
749 >    int useShape = 0;
750 >    int useFLARB = 0; //it is not in AtomType yet
751 >    int useDirectionalAtom = 0;    
752 >    int useElectrostatics = 0;
753 >    //usePBC and useRF are from simParams
754 >    int usePBC = simParams_->getUsePeriodicBoundaryConditions();
755 >    int useRF;
756 >    int useSF;
757 >    int useSP;
758 >    int useBoxDipole;
759  
760 +    std::string myMethod;
761  
762 < void SimInfo::checkCutOffs( void ){
763 <  
764 <  if( boxIsInit ){
762 >    // set the useRF logical
763 >    useRF = 0;
764 >    useSF = 0;
765 >    useSP = 0;
766 >    useBoxDipole = 0;
767 >
768 >
769 >    if (simParams_->haveElectrostaticSummationMethod()) {
770 >      std::string myMethod = simParams_->getElectrostaticSummationMethod();
771 >      toUpper(myMethod);
772 >      if (myMethod == "REACTION_FIELD"){
773 >        useRF = 1;
774 >      } else if (myMethod == "SHIFTED_FORCE"){
775 >        useSF = 1;
776 >      } else if (myMethod == "SHIFTED_POTENTIAL"){
777 >        useSP = 1;
778 >      }
779 >    }
780      
781 <    //we need to check cutOffs against the box
782 <    
783 <    if( rCut > maxCutoff ){
509 <      sprintf( painCave.errMsg,
510 <               "cutoffRadius is too large for the current periodic box.\n"
511 <               "\tCurrent Value of cutoffRadius = %G at time %G\n "
512 <               "\tThis is larger than half of at least one of the\n"
513 <               "\tperiodic box vectors.  Right now, the Box matrix is:\n"
514 <               "\n"
515 <               "\t[ %G %G %G ]\n"
516 <               "\t[ %G %G %G ]\n"
517 <               "\t[ %G %G %G ]\n",
518 <               rCut, currentTime,
519 <               Hmat[0][0], Hmat[0][1], Hmat[0][2],
520 <               Hmat[1][0], Hmat[1][1], Hmat[1][2],
521 <               Hmat[2][0], Hmat[2][1], Hmat[2][2]);
522 <      painCave.severity = OOPSE_ERROR;
523 <      painCave.isFatal = 1;
524 <      simError();
525 <    }    
526 <  } else {
527 <    // initialize this stuff before using it, OK?
528 <    sprintf( painCave.errMsg,
529 <             "Trying to check cutoffs without a box.\n"
530 <             "\tOOPSE should have better programmers than that.\n" );
531 <    painCave.severity = OOPSE_ERROR;
532 <    painCave.isFatal = 1;
533 <    simError();      
534 <  }
535 <  
536 < }
781 >    if (simParams_->haveAccumulateBoxDipole())
782 >      if (simParams_->getAccumulateBoxDipole())
783 >        useBoxDipole = 1;
784  
785 < void SimInfo::addProperty(GenericData* prop){
785 >    useAtomicVirial_ = simParams_->getUseAtomicVirial();
786  
787 <  map<string, GenericData*>::iterator result;
788 <  result = properties.find(prop->getID());
789 <  
790 <  //we can't simply use  properties[prop->getID()] = prop,
791 <  //it will cause memory leak if we already contain a propery which has the same name of prop
792 <  
793 <  if(result != properties.end()){
787 >    //loop over all of the atom types
788 >    for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
789 >      useLennardJones |= (*i)->isLennardJones();
790 >      useElectrostatic |= (*i)->isElectrostatic();
791 >      useEAM |= (*i)->isEAM();
792 >      useSC |= (*i)->isSC();
793 >      useCharge |= (*i)->isCharge();
794 >      useDirectional |= (*i)->isDirectional();
795 >      useDipole |= (*i)->isDipole();
796 >      useGayBerne |= (*i)->isGayBerne();
797 >      useSticky |= (*i)->isSticky();
798 >      useStickyPower |= (*i)->isStickyPower();
799 >      useShape |= (*i)->isShape();
800 >    }
801 >
802 >    if (useSticky || useStickyPower || useDipole || useGayBerne || useShape) {
803 >      useDirectionalAtom = 1;
804 >    }
805 >
806 >    if (useCharge || useDipole) {
807 >      useElectrostatics = 1;
808 >    }
809 >
810 > #ifdef IS_MPI    
811 >    int temp;
812 >
813 >    temp = usePBC;
814 >    MPI_Allreduce(&temp, &usePBC, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
815 >
816 >    temp = useDirectionalAtom;
817 >    MPI_Allreduce(&temp, &useDirectionalAtom, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
818 >
819 >    temp = useLennardJones;
820 >    MPI_Allreduce(&temp, &useLennardJones, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
821 >
822 >    temp = useElectrostatics;
823 >    MPI_Allreduce(&temp, &useElectrostatics, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
824 >
825 >    temp = useCharge;
826 >    MPI_Allreduce(&temp, &useCharge, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
827 >
828 >    temp = useDipole;
829 >    MPI_Allreduce(&temp, &useDipole, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
830 >
831 >    temp = useSticky;
832 >    MPI_Allreduce(&temp, &useSticky, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
833 >
834 >    temp = useStickyPower;
835 >    MPI_Allreduce(&temp, &useStickyPower, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
836      
837 <    delete (*result).second;
838 <    (*result).second = prop;
550 <      
551 <  }
552 <  else{
837 >    temp = useGayBerne;
838 >    MPI_Allreduce(&temp, &useGayBerne, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
839  
840 <    properties[prop->getID()] = prop;
840 >    temp = useEAM;
841 >    MPI_Allreduce(&temp, &useEAM, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
842  
843 <  }
843 >    temp = useSC;
844 >    MPI_Allreduce(&temp, &useSC, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
845      
846 < }
846 >    temp = useShape;
847 >    MPI_Allreduce(&temp, &useShape, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);  
848  
849 < GenericData* SimInfo::getProperty(const string& propName){
850 <
562 <  map<string, GenericData*>::iterator result;
563 <  
564 <  //string lowerCaseName = ();
565 <  
566 <  result = properties.find(propName);
567 <  
568 <  if(result != properties.end())
569 <    return (*result).second;  
570 <  else  
571 <    return NULL;  
572 < }
849 >    temp = useFLARB;
850 >    MPI_Allreduce(&temp, &useFLARB, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
851  
852 +    temp = useRF;
853 +    MPI_Allreduce(&temp, &useRF, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
854  
855 < void SimInfo::getFortranGroupArrays(SimInfo* info,
856 <                                    vector<int>& FglobalGroupMembership,
577 <                                    vector<double>& mfact){
578 <  
579 <  Molecule* myMols;
580 <  Atom** myAtoms;
581 <  int numAtom;
582 <  double mtot;
583 <  int numMol;
584 <  int numCutoffGroups;
585 <  CutoffGroup* myCutoffGroup;
586 <  vector<CutoffGroup*>::iterator iterCutoff;
587 <  Atom* cutoffAtom;
588 <  vector<Atom*>::iterator iterAtom;
589 <  int atomIndex;
590 <  double totalMass;
591 <  
592 <  mfact.clear();
593 <  FglobalGroupMembership.clear();
594 <  
855 >    temp = useSF;
856 >    MPI_Allreduce(&temp, &useSF, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);  
857  
858 <  // Fix the silly fortran indexing problem
859 < #ifdef IS_MPI
860 <  numAtom = mpiSim->getNAtomsGlobal();
861 < #else
862 <  numAtom = n_atoms;
858 >    temp = useSP;
859 >    MPI_Allreduce(&temp, &useSP, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
860 >
861 >    temp = useBoxDipole;
862 >    MPI_Allreduce(&temp, &useBoxDipole, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
863 >
864 >    temp = useAtomicVirial_;
865 >    MPI_Allreduce(&temp, &useAtomicVirial_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
866 >
867   #endif
602  for (int i = 0; i < numAtom; i++)
603    FglobalGroupMembership.push_back(globalGroupMembership[i] + 1);
604  
868  
869 <  myMols = info->molecules;
870 <  numMol = info->n_mol;
871 <  for(int i  = 0; i < numMol; i++){
872 <    numCutoffGroups = myMols[i].getNCutoffGroups();
873 <    for(myCutoffGroup =myMols[i].beginCutoffGroup(iterCutoff);
874 <        myCutoffGroup != NULL;
875 <        myCutoffGroup =myMols[i].nextCutoffGroup(iterCutoff)){
869 >    fInfo_.SIM_uses_PBC = usePBC;    
870 >    fInfo_.SIM_uses_DirectionalAtoms = useDirectionalAtom;
871 >    fInfo_.SIM_uses_LennardJones = useLennardJones;
872 >    fInfo_.SIM_uses_Electrostatics = useElectrostatics;    
873 >    fInfo_.SIM_uses_Charges = useCharge;
874 >    fInfo_.SIM_uses_Dipoles = useDipole;
875 >    fInfo_.SIM_uses_Sticky = useSticky;
876 >    fInfo_.SIM_uses_StickyPower = useStickyPower;
877 >    fInfo_.SIM_uses_GayBerne = useGayBerne;
878 >    fInfo_.SIM_uses_EAM = useEAM;
879 >    fInfo_.SIM_uses_SC = useSC;
880 >    fInfo_.SIM_uses_Shapes = useShape;
881 >    fInfo_.SIM_uses_FLARB = useFLARB;
882 >    fInfo_.SIM_uses_RF = useRF;
883 >    fInfo_.SIM_uses_SF = useSF;
884 >    fInfo_.SIM_uses_SP = useSP;
885 >    fInfo_.SIM_uses_BoxDipole = useBoxDipole;
886 >    fInfo_.SIM_uses_AtomicVirial = useAtomicVirial_;
887 >  }
888  
889 <      totalMass = myCutoffGroup->getMass();
889 >  void SimInfo::setupFortranSim() {
890 >    int isError;
891 >    int nExclude, nOneTwo, nOneThree, nOneFour;
892 >    std::vector<int> fortranGlobalGroupMembership;
893 >    
894 >    isError = 0;
895 >
896 >    //globalGroupMembership_ is filled by SimCreator    
897 >    for (int i = 0; i < nGlobalAtoms_; i++) {
898 >      fortranGlobalGroupMembership.push_back(globalGroupMembership_[i] + 1);
899 >    }
900 >
901 >    //calculate mass ratio of cutoff group
902 >    std::vector<RealType> mfact;
903 >    SimInfo::MoleculeIterator mi;
904 >    Molecule* mol;
905 >    Molecule::CutoffGroupIterator ci;
906 >    CutoffGroup* cg;
907 >    Molecule::AtomIterator ai;
908 >    Atom* atom;
909 >    RealType totalMass;
910 >
911 >    //to avoid memory reallocation, reserve enough space for mfact
912 >    mfact.reserve(getNCutoffGroups());
913 >    
914 >    for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {        
915 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
916 >
917 >        totalMass = cg->getMass();
918 >        for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
919 >          // Check for massless groups - set mfact to 1 if true
920 >          if (totalMass != 0)
921 >            mfact.push_back(atom->getMass()/totalMass);
922 >          else
923 >            mfact.push_back( 1.0 );
924 >        }
925 >      }      
926 >    }
927 >
928 >    //fill ident array of local atoms (it is actually ident of AtomType, it is so confusing !!!)
929 >    std::vector<int> identArray;
930 >
931 >    //to avoid memory reallocation, reserve enough space identArray
932 >    identArray.reserve(getNAtoms());
933 >    
934 >    for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {        
935 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
936 >        identArray.push_back(atom->getIdent());
937 >      }
938 >    }    
939 >
940 >    //fill molMembershipArray
941 >    //molMembershipArray is filled by SimCreator    
942 >    std::vector<int> molMembershipArray(nGlobalAtoms_);
943 >    for (int i = 0; i < nGlobalAtoms_; i++) {
944 >      molMembershipArray[i] = globalMolMembership_[i] + 1;
945 >    }
946 >    
947 >    //setup fortran simulation
948 >
949 >    nExclude = excludedInteractions_.getSize();
950 >    nOneTwo = oneTwoInteractions_.getSize();
951 >    nOneThree = oneThreeInteractions_.getSize();
952 >    nOneFour = oneFourInteractions_.getSize();
953 >
954 >    int* excludeList = excludedInteractions_.getPairList();
955 >    int* oneTwoList = oneTwoInteractions_.getPairList();
956 >    int* oneThreeList = oneThreeInteractions_.getPairList();
957 >    int* oneFourList = oneFourInteractions_.getPairList();
958 >
959 >    setFortranSim( &fInfo_, &nGlobalAtoms_, &nAtoms_, &identArray[0],
960 >                   &nExclude, excludeList,
961 >                   &nOneTwo, oneTwoList,
962 >                   &nOneThree, oneThreeList,
963 >                   &nOneFour, oneFourList,
964 >                   &molMembershipArray[0], &mfact[0], &nCutoffGroups_,
965 >                   &fortranGlobalGroupMembership[0], &isError);
966 >    
967 >    if( isError ){
968        
969 <      for(cutoffAtom = myCutoffGroup->beginAtom(iterAtom);
970 <          cutoffAtom != NULL;
971 <          cutoffAtom = myCutoffGroup->nextAtom(iterAtom)){
972 <        mfact.push_back(cutoffAtom->getMass()/totalMass);
973 <      }  
969 >      sprintf( painCave.errMsg,
970 >               "There was an error setting the simulation information in fortran.\n" );
971 >      painCave.isFatal = 1;
972 >      painCave.severity = OOPSE_ERROR;
973 >      simError();
974 >    }
975 >    
976 >    
977 >    sprintf( checkPointMsg,
978 >             "succesfully sent the simulation information to fortran.\n");
979 >    
980 >    errorCheckPoint();
981 >    
982 >    // Setup number of neighbors in neighbor list if present
983 >    if (simParams_->haveNeighborListNeighbors()) {
984 >      int nlistNeighbors = simParams_->getNeighborListNeighbors();
985 >      setNeighbors(&nlistNeighbors);
986 >    }
987 >  
988 >
989 >  }
990 >
991 >
992 >  void SimInfo::setupFortranParallel() {
993 > #ifdef IS_MPI    
994 >    //SimInfo is responsible for creating localToGlobalAtomIndex and localToGlobalGroupIndex
995 >    std::vector<int> localToGlobalAtomIndex(getNAtoms(), 0);
996 >    std::vector<int> localToGlobalCutoffGroupIndex;
997 >    SimInfo::MoleculeIterator mi;
998 >    Molecule::AtomIterator ai;
999 >    Molecule::CutoffGroupIterator ci;
1000 >    Molecule* mol;
1001 >    Atom* atom;
1002 >    CutoffGroup* cg;
1003 >    mpiSimData parallelData;
1004 >    int isError;
1005 >
1006 >    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
1007 >
1008 >      //local index(index in DataStorge) of atom is important
1009 >      for (atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
1010 >        localToGlobalAtomIndex[atom->getLocalIndex()] = atom->getGlobalIndex() + 1;
1011 >      }
1012 >
1013 >      //local index of cutoff group is trivial, it only depends on the order of travesing
1014 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
1015 >        localToGlobalCutoffGroupIndex.push_back(cg->getGlobalIndex() + 1);
1016 >      }        
1017 >        
1018 >    }
1019 >
1020 >    //fill up mpiSimData struct
1021 >    parallelData.nMolGlobal = getNGlobalMolecules();
1022 >    parallelData.nMolLocal = getNMolecules();
1023 >    parallelData.nAtomsGlobal = getNGlobalAtoms();
1024 >    parallelData.nAtomsLocal = getNAtoms();
1025 >    parallelData.nGroupsGlobal = getNGlobalCutoffGroups();
1026 >    parallelData.nGroupsLocal = getNCutoffGroups();
1027 >    parallelData.myNode = worldRank;
1028 >    MPI_Comm_size(MPI_COMM_WORLD, &(parallelData.nProcessors));
1029 >
1030 >    //pass mpiSimData struct and index arrays to fortran
1031 >    setFsimParallel(&parallelData, &(parallelData.nAtomsLocal),
1032 >                    &localToGlobalAtomIndex[0],  &(parallelData.nGroupsLocal),
1033 >                    &localToGlobalCutoffGroupIndex[0], &isError);
1034 >
1035 >    if (isError) {
1036 >      sprintf(painCave.errMsg,
1037 >              "mpiRefresh errror: fortran didn't like something we gave it.\n");
1038 >      painCave.isFatal = 1;
1039 >      simError();
1040 >    }
1041 >
1042 >    sprintf(checkPointMsg, " mpiRefresh successful.\n");
1043 >    errorCheckPoint();
1044 >
1045 > #endif
1046 >  }
1047 >
1048 >  void SimInfo::setupCutoff() {          
1049 >    
1050 >    ForceFieldOptions& forceFieldOptions_ = forceField_->getForceFieldOptions();
1051 >
1052 >    // Check the cutoff policy
1053 >    int cp =  TRADITIONAL_CUTOFF_POLICY; // Set to traditional by default
1054 >
1055 >    // Set LJ shifting bools to false
1056 >    ljsp_ = false;
1057 >    ljsf_ = false;
1058 >
1059 >    std::string myPolicy;
1060 >    if (forceFieldOptions_.haveCutoffPolicy()){
1061 >      myPolicy = forceFieldOptions_.getCutoffPolicy();
1062 >    }else if (simParams_->haveCutoffPolicy()) {
1063 >      myPolicy = simParams_->getCutoffPolicy();
1064 >    }
1065 >
1066 >    if (!myPolicy.empty()){
1067 >      toUpper(myPolicy);
1068 >      if (myPolicy == "MIX") {
1069 >        cp = MIX_CUTOFF_POLICY;
1070 >      } else {
1071 >        if (myPolicy == "MAX") {
1072 >          cp = MAX_CUTOFF_POLICY;
1073 >        } else {
1074 >          if (myPolicy == "TRADITIONAL") {            
1075 >            cp = TRADITIONAL_CUTOFF_POLICY;
1076 >          } else {
1077 >            // throw error        
1078 >            sprintf( painCave.errMsg,
1079 >                     "SimInfo error: Unknown cutoffPolicy. (Input file specified %s .)\n\tcutoffPolicy must be one of: \"Mix\", \"Max\", or \"Traditional\".", myPolicy.c_str() );
1080 >            painCave.isFatal = 1;
1081 >            simError();
1082 >          }    
1083 >        }          
1084 >      }
1085 >    }          
1086 >    notifyFortranCutoffPolicy(&cp);
1087 >
1088 >    // Check the Skin Thickness for neighborlists
1089 >    RealType skin;
1090 >    if (simParams_->haveSkinThickness()) {
1091 >      skin = simParams_->getSkinThickness();
1092 >      notifyFortranSkinThickness(&skin);
1093 >    }            
1094 >        
1095 >    // Check if the cutoff was set explicitly:
1096 >    if (simParams_->haveCutoffRadius()) {
1097 >      rcut_ = simParams_->getCutoffRadius();
1098 >      if (simParams_->haveSwitchingRadius()) {
1099 >        rsw_  = simParams_->getSwitchingRadius();
1100 >      } else {
1101 >        if (fInfo_.SIM_uses_Charges |
1102 >            fInfo_.SIM_uses_Dipoles |
1103 >            fInfo_.SIM_uses_RF) {
1104 >          
1105 >          rsw_ = 0.85 * rcut_;
1106 >          sprintf(painCave.errMsg,
1107 >                  "SimCreator Warning: No value was set for the switchingRadius.\n"
1108 >                  "\tOOPSE will use a default value of 85 percent of the cutoffRadius.\n"
1109 >                  "\tswitchingRadius = %f. for this simulation\n", rsw_);
1110 >        painCave.isFatal = 0;
1111 >        simError();
1112 >        } else {
1113 >          rsw_ = rcut_;
1114 >          sprintf(painCave.errMsg,
1115 >                  "SimCreator Warning: No value was set for the switchingRadius.\n"
1116 >                  "\tOOPSE will use the same value as the cutoffRadius.\n"
1117 >                  "\tswitchingRadius = %f. for this simulation\n", rsw_);
1118 >          painCave.isFatal = 0;
1119 >          simError();
1120 >        }
1121 >      }
1122 >
1123 >      if (simParams_->haveElectrostaticSummationMethod()) {
1124 >        std::string myMethod = simParams_->getElectrostaticSummationMethod();
1125 >        toUpper(myMethod);
1126 >        
1127 >        if (myMethod == "SHIFTED_POTENTIAL") {
1128 >          ljsp_ = true;
1129 >        } else if (myMethod == "SHIFTED_FORCE") {
1130 >          ljsf_ = true;
1131 >        }
1132 >      }
1133 >      notifyFortranCutoffs(&rcut_, &rsw_, &ljsp_, &ljsf_);
1134 >      
1135 >    } else {
1136 >      
1137 >      // For electrostatic atoms, we'll assume a large safe value:
1138 >      if (fInfo_.SIM_uses_Charges | fInfo_.SIM_uses_Dipoles | fInfo_.SIM_uses_RF) {
1139 >        sprintf(painCave.errMsg,
1140 >                "SimCreator Warning: No value was set for the cutoffRadius.\n"
1141 >                "\tOOPSE will use a default value of 15.0 angstroms"
1142 >                "\tfor the cutoffRadius.\n");
1143 >        painCave.isFatal = 0;
1144 >        simError();
1145 >        rcut_ = 15.0;
1146 >      
1147 >        if (simParams_->haveElectrostaticSummationMethod()) {
1148 >          std::string myMethod = simParams_->getElectrostaticSummationMethod();
1149 >          toUpper(myMethod);
1150 >      
1151 >      // For the time being, we're tethering the LJ shifted behavior to the
1152 >      // electrostaticSummationMethod keyword options
1153 >          if (myMethod == "SHIFTED_POTENTIAL") {
1154 >            ljsp_ = true;
1155 >          } else if (myMethod == "SHIFTED_FORCE") {
1156 >            ljsf_ = true;
1157 >          }
1158 >          if (myMethod == "SHIFTED_POTENTIAL" || myMethod == "SHIFTED_FORCE") {
1159 >            if (simParams_->haveSwitchingRadius()){
1160 >              sprintf(painCave.errMsg,
1161 >                      "SimInfo Warning: A value was set for the switchingRadius\n"
1162 >                      "\teven though the electrostaticSummationMethod was\n"
1163 >                      "\tset to %s\n", myMethod.c_str());
1164 >              painCave.isFatal = 1;
1165 >              simError();            
1166 >            }
1167 >          }
1168 >        }
1169 >      
1170 >        if (simParams_->haveSwitchingRadius()){
1171 >          rsw_ = simParams_->getSwitchingRadius();
1172 >        } else {        
1173 >          sprintf(painCave.errMsg,
1174 >                  "SimCreator Warning: No value was set for switchingRadius.\n"
1175 >                  "\tOOPSE will use a default value of\n"
1176 >                  "\t0.85 * cutoffRadius for the switchingRadius\n");
1177 >          painCave.isFatal = 0;
1178 >          simError();
1179 >          rsw_ = 0.85 * rcut_;
1180 >        }
1181 >
1182 >        notifyFortranCutoffs(&rcut_, &rsw_, &ljsp_, &ljsf_);
1183 >
1184 >      } else {
1185 >        // We didn't set rcut explicitly, and we don't have electrostatic atoms, so
1186 >        // We'll punt and let fortran figure out the cutoffs later.
1187 >        
1188 >        notifyFortranYouAreOnYourOwn();
1189 >
1190 >      }
1191      }
1192    }
1193  
1194 < }
1194 >  void SimInfo::setupElectrostaticSummationMethod( int isError ) {    
1195 >    
1196 >    int errorOut;
1197 >    int esm =  NONE;
1198 >    int sm = UNDAMPED;
1199 >    RealType alphaVal;
1200 >    RealType dielectric;
1201 >    
1202 >    errorOut = isError;
1203 >
1204 >    if (simParams_->haveElectrostaticSummationMethod()) {
1205 >      std::string myMethod = simParams_->getElectrostaticSummationMethod();
1206 >      toUpper(myMethod);
1207 >      if (myMethod == "NONE") {
1208 >        esm = NONE;
1209 >      } else {
1210 >        if (myMethod == "SWITCHING_FUNCTION") {
1211 >          esm = SWITCHING_FUNCTION;
1212 >        } else {
1213 >          if (myMethod == "SHIFTED_POTENTIAL") {
1214 >            esm = SHIFTED_POTENTIAL;
1215 >          } else {
1216 >            if (myMethod == "SHIFTED_FORCE") {            
1217 >              esm = SHIFTED_FORCE;
1218 >            } else {
1219 >              if (myMethod == "REACTION_FIELD") {
1220 >                esm = REACTION_FIELD;
1221 >                dielectric = simParams_->getDielectric();
1222 >                if (!simParams_->haveDielectric()) {
1223 >                  // throw warning
1224 >                  sprintf( painCave.errMsg,
1225 >                           "SimInfo warning: dielectric was not specified in the input file\n\tfor the reaction field correction method.\n"
1226 >                           "\tA default value of %f will be used for the dielectric.\n", dielectric);
1227 >                  painCave.isFatal = 0;
1228 >                  simError();
1229 >                }
1230 >              } else {
1231 >                // throw error        
1232 >                sprintf( painCave.errMsg,
1233 >                         "SimInfo error: Unknown electrostaticSummationMethod.\n"
1234 >                         "\t(Input file specified %s .)\n"
1235 >                         "\telectrostaticSummationMethod must be one of: \"none\",\n"
1236 >                         "\t\"shifted_potential\", \"shifted_force\", or \n"
1237 >                         "\t\"reaction_field\".\n", myMethod.c_str() );
1238 >                painCave.isFatal = 1;
1239 >                simError();
1240 >              }    
1241 >            }          
1242 >          }
1243 >        }
1244 >      }
1245 >    }
1246 >    
1247 >    if (simParams_->haveElectrostaticScreeningMethod()) {
1248 >      std::string myScreen = simParams_->getElectrostaticScreeningMethod();
1249 >      toUpper(myScreen);
1250 >      if (myScreen == "UNDAMPED") {
1251 >        sm = UNDAMPED;
1252 >      } else {
1253 >        if (myScreen == "DAMPED") {
1254 >          sm = DAMPED;
1255 >          if (!simParams_->haveDampingAlpha()) {
1256 >            // first set a cutoff dependent alpha value
1257 >            // we assume alpha depends linearly with rcut from 0 to 20.5 ang
1258 >            alphaVal = 0.5125 - rcut_* 0.025;
1259 >            // for values rcut > 20.5, alpha is zero
1260 >            if (alphaVal < 0) alphaVal = 0;
1261 >
1262 >            // throw warning
1263 >            sprintf( painCave.errMsg,
1264 >                     "SimInfo warning: dampingAlpha was not specified in the input file.\n"
1265 >                     "\tA default value of %f (1/ang) will be used for the cutoff of\n\t%f (ang).\n", alphaVal, rcut_);
1266 >            painCave.isFatal = 0;
1267 >            simError();
1268 >          } else {
1269 >            alphaVal = simParams_->getDampingAlpha();
1270 >          }
1271 >          
1272 >        } else {
1273 >          // throw error        
1274 >          sprintf( painCave.errMsg,
1275 >                   "SimInfo error: Unknown electrostaticScreeningMethod.\n"
1276 >                   "\t(Input file specified %s .)\n"
1277 >                   "\telectrostaticScreeningMethod must be one of: \"undamped\"\n"
1278 >                   "or \"damped\".\n", myScreen.c_str() );
1279 >          painCave.isFatal = 1;
1280 >          simError();
1281 >        }
1282 >      }
1283 >    }
1284 >    
1285 >    // let's pass some summation method variables to fortran
1286 >    setElectrostaticSummationMethod( &esm );
1287 >    setFortranElectrostaticMethod( &esm );
1288 >    setScreeningMethod( &sm );
1289 >    setDampingAlpha( &alphaVal );
1290 >    setReactionFieldDielectric( &dielectric );
1291 >    initFortranFF( &errorOut );
1292 >  }
1293 >
1294 >  void SimInfo::setupSwitchingFunction() {    
1295 >    int ft = CUBIC;
1296 >
1297 >    if (simParams_->haveSwitchingFunctionType()) {
1298 >      std::string funcType = simParams_->getSwitchingFunctionType();
1299 >      toUpper(funcType);
1300 >      if (funcType == "CUBIC") {
1301 >        ft = CUBIC;
1302 >      } else {
1303 >        if (funcType == "FIFTH_ORDER_POLYNOMIAL") {
1304 >          ft = FIFTH_ORDER_POLY;
1305 >        } else {
1306 >          // throw error        
1307 >          sprintf( painCave.errMsg,
1308 >                   "SimInfo error: Unknown switchingFunctionType. (Input file specified %s .)\n\tswitchingFunctionType must be one of: \"cubic\" or \"fifth_order_polynomial\".", funcType.c_str() );
1309 >          painCave.isFatal = 1;
1310 >          simError();
1311 >        }          
1312 >      }
1313 >    }
1314 >
1315 >    // send switching function notification to switcheroo
1316 >    setFunctionType(&ft);
1317 >
1318 >  }
1319 >
1320 >  void SimInfo::setupAccumulateBoxDipole() {    
1321 >
1322 >    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
1323 >    if ( simParams_->haveAccumulateBoxDipole() )
1324 >      if ( simParams_->getAccumulateBoxDipole() ) {
1325 >        setAccumulateBoxDipole();
1326 >        calcBoxDipole_ = true;
1327 >      }
1328 >
1329 >  }
1330 >
1331 >  void SimInfo::addProperty(GenericData* genData) {
1332 >    properties_.addProperty(genData);  
1333 >  }
1334 >
1335 >  void SimInfo::removeProperty(const std::string& propName) {
1336 >    properties_.removeProperty(propName);  
1337 >  }
1338 >
1339 >  void SimInfo::clearProperties() {
1340 >    properties_.clearProperties();
1341 >  }
1342 >
1343 >  std::vector<std::string> SimInfo::getPropertyNames() {
1344 >    return properties_.getPropertyNames();  
1345 >  }
1346 >      
1347 >  std::vector<GenericData*> SimInfo::getProperties() {
1348 >    return properties_.getProperties();
1349 >  }
1350 >
1351 >  GenericData* SimInfo::getPropertyByName(const std::string& propName) {
1352 >    return properties_.getPropertyByName(propName);
1353 >  }
1354 >
1355 >  void SimInfo::setSnapshotManager(SnapshotManager* sman) {
1356 >    if (sman_ == sman) {
1357 >      return;
1358 >    }    
1359 >    delete sman_;
1360 >    sman_ = sman;
1361 >
1362 >    Molecule* mol;
1363 >    RigidBody* rb;
1364 >    Atom* atom;
1365 >    SimInfo::MoleculeIterator mi;
1366 >    Molecule::RigidBodyIterator rbIter;
1367 >    Molecule::AtomIterator atomIter;;
1368 >
1369 >    for (mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
1370 >        
1371 >      for (atom = mol->beginAtom(atomIter); atom != NULL; atom = mol->nextAtom(atomIter)) {
1372 >        atom->setSnapshotManager(sman_);
1373 >      }
1374 >        
1375 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
1376 >        rb->setSnapshotManager(sman_);
1377 >      }
1378 >    }    
1379 >    
1380 >  }
1381 >
1382 >  Vector3d SimInfo::getComVel(){
1383 >    SimInfo::MoleculeIterator i;
1384 >    Molecule* mol;
1385 >
1386 >    Vector3d comVel(0.0);
1387 >    RealType totalMass = 0.0;
1388 >    
1389 >
1390 >    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1391 >      RealType mass = mol->getMass();
1392 >      totalMass += mass;
1393 >      comVel += mass * mol->getComVel();
1394 >    }  
1395 >
1396 > #ifdef IS_MPI
1397 >    RealType tmpMass = totalMass;
1398 >    Vector3d tmpComVel(comVel);    
1399 >    MPI_Allreduce(&tmpMass,&totalMass,1,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1400 >    MPI_Allreduce(tmpComVel.getArrayPointer(), comVel.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1401 > #endif
1402 >
1403 >    comVel /= totalMass;
1404 >
1405 >    return comVel;
1406 >  }
1407 >
1408 >  Vector3d SimInfo::getCom(){
1409 >    SimInfo::MoleculeIterator i;
1410 >    Molecule* mol;
1411 >
1412 >    Vector3d com(0.0);
1413 >    RealType totalMass = 0.0;
1414 >    
1415 >    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1416 >      RealType mass = mol->getMass();
1417 >      totalMass += mass;
1418 >      com += mass * mol->getCom();
1419 >    }  
1420 >
1421 > #ifdef IS_MPI
1422 >    RealType tmpMass = totalMass;
1423 >    Vector3d tmpCom(com);    
1424 >    MPI_Allreduce(&tmpMass,&totalMass,1,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1425 >    MPI_Allreduce(tmpCom.getArrayPointer(), com.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1426 > #endif
1427 >
1428 >    com /= totalMass;
1429 >
1430 >    return com;
1431 >
1432 >  }        
1433 >
1434 >  std::ostream& operator <<(std::ostream& o, SimInfo& info) {
1435 >
1436 >    return o;
1437 >  }
1438 >  
1439 >  
1440 >   /*
1441 >   Returns center of mass and center of mass velocity in one function call.
1442 >   */
1443 >  
1444 >   void SimInfo::getComAll(Vector3d &com, Vector3d &comVel){
1445 >      SimInfo::MoleculeIterator i;
1446 >      Molecule* mol;
1447 >      
1448 >    
1449 >      RealType totalMass = 0.0;
1450 >    
1451 >
1452 >      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1453 >         RealType mass = mol->getMass();
1454 >         totalMass += mass;
1455 >         com += mass * mol->getCom();
1456 >         comVel += mass * mol->getComVel();          
1457 >      }  
1458 >      
1459 > #ifdef IS_MPI
1460 >      RealType tmpMass = totalMass;
1461 >      Vector3d tmpCom(com);  
1462 >      Vector3d tmpComVel(comVel);
1463 >      MPI_Allreduce(&tmpMass,&totalMass,1,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1464 >      MPI_Allreduce(tmpCom.getArrayPointer(), com.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1465 >      MPI_Allreduce(tmpComVel.getArrayPointer(), comVel.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1466 > #endif
1467 >      
1468 >      com /= totalMass;
1469 >      comVel /= totalMass;
1470 >   }        
1471 >  
1472 >   /*
1473 >   Return intertia tensor for entire system and angular momentum Vector.
1474 >
1475 >
1476 >       [  Ixx -Ixy  -Ixz ]
1477 >  J =| -Iyx  Iyy  -Iyz |
1478 >       [ -Izx -Iyz   Izz ]
1479 >    */
1480 >
1481 >   void SimInfo::getInertiaTensor(Mat3x3d &inertiaTensor, Vector3d &angularMomentum){
1482 >      
1483 >
1484 >      RealType xx = 0.0;
1485 >      RealType yy = 0.0;
1486 >      RealType zz = 0.0;
1487 >      RealType xy = 0.0;
1488 >      RealType xz = 0.0;
1489 >      RealType yz = 0.0;
1490 >      Vector3d com(0.0);
1491 >      Vector3d comVel(0.0);
1492 >      
1493 >      getComAll(com, comVel);
1494 >      
1495 >      SimInfo::MoleculeIterator i;
1496 >      Molecule* mol;
1497 >      
1498 >      Vector3d thisq(0.0);
1499 >      Vector3d thisv(0.0);
1500 >
1501 >      RealType thisMass = 0.0;
1502 >    
1503 >      
1504 >      
1505 >  
1506 >      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1507 >        
1508 >         thisq = mol->getCom()-com;
1509 >         thisv = mol->getComVel()-comVel;
1510 >         thisMass = mol->getMass();
1511 >         // Compute moment of intertia coefficients.
1512 >         xx += thisq[0]*thisq[0]*thisMass;
1513 >         yy += thisq[1]*thisq[1]*thisMass;
1514 >         zz += thisq[2]*thisq[2]*thisMass;
1515 >        
1516 >         // compute products of intertia
1517 >         xy += thisq[0]*thisq[1]*thisMass;
1518 >         xz += thisq[0]*thisq[2]*thisMass;
1519 >         yz += thisq[1]*thisq[2]*thisMass;
1520 >            
1521 >         angularMomentum += cross( thisq, thisv ) * thisMass;
1522 >            
1523 >      }  
1524 >      
1525 >      
1526 >      inertiaTensor(0,0) = yy + zz;
1527 >      inertiaTensor(0,1) = -xy;
1528 >      inertiaTensor(0,2) = -xz;
1529 >      inertiaTensor(1,0) = -xy;
1530 >      inertiaTensor(1,1) = xx + zz;
1531 >      inertiaTensor(1,2) = -yz;
1532 >      inertiaTensor(2,0) = -xz;
1533 >      inertiaTensor(2,1) = -yz;
1534 >      inertiaTensor(2,2) = xx + yy;
1535 >      
1536 > #ifdef IS_MPI
1537 >      Mat3x3d tmpI(inertiaTensor);
1538 >      Vector3d tmpAngMom;
1539 >      MPI_Allreduce(tmpI.getArrayPointer(), inertiaTensor.getArrayPointer(),9,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1540 >      MPI_Allreduce(tmpAngMom.getArrayPointer(), angularMomentum.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1541 > #endif
1542 >              
1543 >      return;
1544 >   }
1545 >
1546 >   //Returns the angular momentum of the system
1547 >   Vector3d SimInfo::getAngularMomentum(){
1548 >      
1549 >      Vector3d com(0.0);
1550 >      Vector3d comVel(0.0);
1551 >      Vector3d angularMomentum(0.0);
1552 >      
1553 >      getComAll(com,comVel);
1554 >      
1555 >      SimInfo::MoleculeIterator i;
1556 >      Molecule* mol;
1557 >      
1558 >      Vector3d thisr(0.0);
1559 >      Vector3d thisp(0.0);
1560 >      
1561 >      RealType thisMass;
1562 >      
1563 >      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {        
1564 >        thisMass = mol->getMass();
1565 >        thisr = mol->getCom()-com;
1566 >        thisp = (mol->getComVel()-comVel)*thisMass;
1567 >        
1568 >        angularMomentum += cross( thisr, thisp );
1569 >        
1570 >      }  
1571 >      
1572 > #ifdef IS_MPI
1573 >      Vector3d tmpAngMom;
1574 >      MPI_Allreduce(tmpAngMom.getArrayPointer(), angularMomentum.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1575 > #endif
1576 >      
1577 >      return angularMomentum;
1578 >   }
1579 >  
1580 >  StuntDouble* SimInfo::getIOIndexToIntegrableObject(int index) {
1581 >    return IOIndexToIntegrableObject.at(index);
1582 >  }
1583 >  
1584 >  void SimInfo::setIOIndexToIntegrableObject(const std::vector<StuntDouble*>& v) {
1585 >    IOIndexToIntegrableObject= v;
1586 >  }
1587 >
1588 >  /* Returns the Volume of the simulation based on a ellipsoid with semi-axes
1589 >     based on the radius of gyration V=4/3*Pi*R_1*R_2*R_3
1590 >     where R_i are related to the principle inertia moments R_i = sqrt(C*I_i/N), this reduces to
1591 >     V = 4/3*Pi*(C/N)^3/2*sqrt(det(I)). See S.E. Baltazar et. al. Comp. Mat. Sci. 37 (2006) 526-536.
1592 >  */
1593 >  void SimInfo::getGyrationalVolume(RealType &volume){
1594 >    Mat3x3d intTensor;
1595 >    RealType det;
1596 >    Vector3d dummyAngMom;
1597 >    RealType sysconstants;
1598 >    RealType geomCnst;
1599 >
1600 >    geomCnst = 3.0/2.0;
1601 >    /* Get the inertial tensor and angular momentum for free*/
1602 >    getInertiaTensor(intTensor,dummyAngMom);
1603 >    
1604 >    det = intTensor.determinant();
1605 >    sysconstants = geomCnst/(RealType)nGlobalIntegrableObjects_;
1606 >    volume = 4.0/3.0*NumericConstant::PI*pow(sysconstants,3.0/2.0)*sqrt(det);
1607 >    return;
1608 >  }
1609 >
1610 >  void SimInfo::getGyrationalVolume(RealType &volume, RealType &detI){
1611 >    Mat3x3d intTensor;
1612 >    Vector3d dummyAngMom;
1613 >    RealType sysconstants;
1614 >    RealType geomCnst;
1615 >
1616 >    geomCnst = 3.0/2.0;
1617 >    /* Get the inertial tensor and angular momentum for free*/
1618 >    getInertiaTensor(intTensor,dummyAngMom);
1619 >    
1620 >    detI = intTensor.determinant();
1621 >    sysconstants = geomCnst/(RealType)nGlobalIntegrableObjects_;
1622 >    volume = 4.0/3.0*NumericConstant::PI*pow(sysconstants,3.0/2.0)*sqrt(detI);
1623 >    return;
1624 >  }
1625 > /*
1626 >   void SimInfo::setStuntDoubleFromGlobalIndex(std::vector<StuntDouble*> v) {
1627 >      assert( v.size() == nAtoms_ + nRigidBodies_);
1628 >      sdByGlobalIndex_ = v;
1629 >    }
1630 >
1631 >    StuntDouble* SimInfo::getStuntDoubleFromGlobalIndex(int index) {
1632 >      //assert(index < nAtoms_ + nRigidBodies_);
1633 >      return sdByGlobalIndex_.at(index);
1634 >    }  
1635 > */  
1636 > }//end namespace oopse
1637 >

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