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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 582 by mmeineke, Wed Jul 9 15:33:46 2003 UTC vs.
Revision 1139 by gezelter, Wed Apr 28 22:06:29 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
12 + #include "RigidBody.hpp"
13 + //#include "ConjugateMinimizer.hpp"
14 + #include "OOPSEMinimizer.hpp"
15  
16   #ifdef IS_MPI
17   #include "mpiBASS.h"
# Line 14 | Line 20
20  
21   // some defines for ensemble and Forcefield  cases
22  
23 < #define NVE_ENS  0
24 < #define NVT_ENS  1
25 < #define NPTi_ENS 2
26 < #define NPTf_ENS 3
23 > #define NVE_ENS        0
24 > #define NVT_ENS        1
25 > #define NPTi_ENS       2
26 > #define NPTf_ENS       3
27 > #define NPTxyz_ENS     4
28  
29  
30 < #define FF_DUFF 0
31 < #define FF_LJ   1
30 > #define FF_DUFF  0
31 > #define FF_LJ    1
32 > #define FF_EAM   2
33 > #define FF_H2O   3
34  
35 + using namespace std;
36  
37 + /**
38 + * Check whether dividend is divisble by divisor or not
39 + */
40 + bool isDivisible(double dividend, double divisor){
41 +  double tolerance = 0.000001;
42 +  double quotient;
43 +  double diff;
44 +  int intQuotient;
45 +  
46 +  quotient = dividend / divisor;
47 +
48 +  if (quotient < 0)
49 +    quotient = -quotient;
50 +
51 +  intQuotient = int (quotient + tolerance);
52 +
53 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
54 +
55 +  if (diff <= tolerance)
56 +    return true;
57 +  else
58 +    return false;  
59 + }
60 +
61   SimSetup::SimSetup(){
62 +  
63 +  initSuspend = false;
64 +  isInfoArray = 0;
65 +  nInfo = 1;
66 +
67    stamps = new MakeStamps();
68    globals = new Globals();
69 <  
69 >
70 >
71   #ifdef IS_MPI
72 <  strcpy( checkPointMsg, "SimSetup creation successful" );
72 >  strcpy(checkPointMsg, "SimSetup creation successful");
73    MPIcheckPoint();
74   #endif // IS_MPI
75   }
# Line 39 | Line 79 | SimSetup::~SimSetup(){
79    delete globals;
80   }
81  
82 < void SimSetup::parseFile( char* fileName ){
82 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
83 >  info = the_info;
84 >  nInfo = theNinfo;
85 >  isInfoArray = 1;
86 >  initSuspend = true;
87 > }
88  
89 +
90 + void SimSetup::parseFile(char* fileName){
91   #ifdef IS_MPI
92 <  if( worldRank == 0 ){
92 >  if (worldRank == 0){
93   #endif // is_mpi
94 <    
94 >
95      inFileName = fileName;
96 <    set_interface_stamps( stamps, globals );
97 <    
96 >    set_interface_stamps(stamps, globals);
97 >
98   #ifdef IS_MPI
99      mpiEventInit();
100   #endif
101  
102 <    yacc_BASS( fileName );
102 >    yacc_BASS(fileName);
103  
104   #ifdef IS_MPI
105      throwMPIEvent(NULL);
106    }
107 <  else receiveParse();
107 >  else{
108 >    receiveParse();
109 >  }
110   #endif
111  
112   }
113  
114   #ifdef IS_MPI
115   void SimSetup::receiveParse(void){
116 <
117 <    set_interface_stamps( stamps, globals );
118 <    mpiEventInit();
119 <    MPIcheckPoint();
71 <    mpiEventLoop();
72 <
116 >  set_interface_stamps(stamps, globals);
117 >  mpiEventInit();
118 >  MPIcheckPoint();
119 >  mpiEventLoop();
120   }
121  
122   #endif // is_mpi
123  
124 < void SimSetup::createSim( void ){
124 > void SimSetup::createSim(void){
125  
126 <  MakeStamps *the_stamps;
80 <  Globals* the_globals;
81 <  int i, j, k, globalAtomIndex;
82 <  
83 <  int ensembleCase;
84 <  int ffCase;
85 <  
86 <  ensembleCase = -1;
87 <  ffCase = -1;
126 >  // gather all of the information from the Bass file
127  
128 <  // get the stamps and globals;
90 <  the_stamps = stamps;
91 <  the_globals = globals;
128 >  gatherInfo();
129  
130 <  // set the easy ones first
94 <  simnfo->target_temp = the_globals->getTargetTemp();
95 <  simnfo->dt = the_globals->getDt();
96 <  simnfo->run_time = the_globals->getRunTime();
130 >  // creation of complex system objects
131  
132 <  // get the ones we know are there, yet still may need some work.
99 <  n_components = the_globals->getNComponents();
100 <  strcpy( force_field, the_globals->getForceField() );
132 >  sysObjectsCreation();
133  
134 <  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
103 <  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
104 <  else{
105 <    sprintf( painCave.errMsg,
106 <             "SimSetup Error. Unrecognized force field -> %s\n",
107 <             force_field );
108 <    painCave.isFatal = 1;
109 <    simError();
110 <  }
134 >  // check on the post processing info
135  
136 <  // get the ensemble:
113 <  strcpy( ensemble, the_globals->getEnsemble() );
136 >  finalInfoCheck();
137  
138 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
139 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
140 <  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
141 <    ensembleCase = NPTi_ENS;
142 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
143 <  else{
144 <    sprintf( painCave.errMsg,
122 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
123 <             "reverting to NVE for this simulation.\n",
124 <             ensemble );
125 <    painCave.isFatal = 0;
126 <    simError();
127 <    strcpy( ensemble, "NVE" );
128 <    ensembleCase = NVE_ENS;
138 >  // initialize the system coordinates
139 >
140 >  if ( !initSuspend ){
141 >    initSystemCoords();
142 >
143 >    if( !(globals->getUseInitTime()) )
144 >      info[0].currentTime = 0.0;
145    }  
130  strcpy( simnfo->ensemble, ensemble );
146  
147 +  // make the output filenames
148  
149 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
150 < //     the_extendedsystem = new ExtendedSystem( simnfo );
151 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
152 < //     if (the_globals->haveTargetPressure())
153 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
138 < //     else {
139 < //       sprintf( painCave.errMsg,
140 < //                "SimSetup error: If you use the constant pressure\n"
141 < //                "    ensemble, you must set targetPressure.\n"
142 < //                "    This was found in the BASS file.\n");
143 < //       painCave.isFatal = 1;
144 < //       simError();
145 < //     }
149 >  makeOutNames();
150 >  
151 > #ifdef IS_MPI
152 >  mpiSim->mpiRefresh();
153 > #endif
154  
155 < //     if (the_globals->haveTauThermostat())
148 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
149 < //     else if (the_globals->haveQmass())
150 < //       the_extendedsystem->setQmass(the_globals->getQmass());
151 < //     else {
152 < //       sprintf( painCave.errMsg,
153 < //                "SimSetup error: If you use one of the constant temperature\n"
154 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
155 < //                "    Neither of these was found in the BASS file.\n");
156 < //       painCave.isFatal = 1;
157 < //       simError();
158 < //     }
155 >  // initialize the Fortran
156  
157 < //     if (the_globals->haveTauBarostat())
161 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
162 < //     else {
163 < //       sprintf( painCave.errMsg,
164 < //                "SimSetup error: If you use the constant pressure\n"
165 < //                "    ensemble, you must set tauBarostat.\n"
166 < //                "    This was found in the BASS file.\n");
167 < //       painCave.isFatal = 1;
168 < //       simError();
169 < //     }
157 >  initFortran();
158  
159 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
160 < //     the_extendedsystem = new ExtendedSystem( simnfo );
161 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
159 >  if (globals->haveMinimizer())
160 >    // make minimizer
161 >    makeMinimizer();
162 >  else
163 >    // make the integrator
164 >    makeIntegrator();
165  
166 < //     if (the_globals->haveTauThermostat())
176 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
177 < //     else if (the_globals->haveQmass())
178 < //       the_extendedsystem->setQmass(the_globals->getQmass());
179 < //     else {
180 < //       sprintf( painCave.errMsg,
181 < //                "SimSetup error: If you use one of the constant temperature\n"
182 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
183 < //                "    Neither of these was found in the BASS file.\n");
184 < //       painCave.isFatal = 1;
185 < //       simError();
186 < //     }
166 > }
167  
188  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
189  simnfo->usePBC = the_globals->getPBC();
190          
191  int usesDipoles = 0;
192  switch( ffCase ){
168  
169 <  case FF_DUFF:
170 <    the_ff = new DUFF();
171 <    usesDipoles = 1;
172 <    break;
169 > void SimSetup::makeMolecules(void){
170 >  int i, j, k;
171 >  int exI, exJ, exK, exL, slI, slJ;
172 >  int tempI, tempJ, tempK, tempL;
173 >  int molI;
174 >  int stampID, atomOffset, rbOffset;
175 >  molInit molInfo;
176 >  DirectionalAtom* dAtom;
177 >  RigidBody* myRB;
178 >  StuntDouble* mySD;
179 >  LinkedAssign* extras;
180 >  LinkedAssign* current_extra;
181 >  AtomStamp* currentAtom;
182 >  BondStamp* currentBond;
183 >  BendStamp* currentBend;
184 >  TorsionStamp* currentTorsion;
185 >  RigidBodyStamp* currentRigidBody;
186  
187 <  case FF_LJ:
188 <    the_ff = new LJFF();
189 <    break;
187 >  bond_pair* theBonds;
188 >  bend_set* theBends;
189 >  torsion_set* theTorsions;
190  
191 <  default:
204 <    sprintf( painCave.errMsg,
205 <             "SimSetup Error. Unrecognized force field in case statement.\n");
206 <    painCave.isFatal = 1;
207 <    simError();
208 <  }
191 >  set<int> skipList;
192  
193 < #ifdef IS_MPI
194 <  strcpy( checkPointMsg, "ForceField creation successful" );
195 <  MPIcheckPoint();
213 < #endif // is_mpi
193 >  double phi, theta, psi;
194 >  char* molName;
195 >  char rbName[100];
196  
197 <  // get the components and calculate the tot_nMol and indvidual n_mol
216 <  the_components = the_globals->getComponents();
217 <  components_nmol = new int[n_components];
218 <  comp_stamps = new MoleculeStamp*[n_components];
197 >  //init the forceField paramters
198  
199 <  if( !the_globals->haveNMol() ){
221 <    // we don't have the total number of molecules, so we assume it is
222 <    // given in each component
199 >  the_ff->readParams();
200  
201 <    tot_nmol = 0;
225 <    for( i=0; i<n_components; i++ ){
201 >  // init the atoms
202  
203 <      if( !the_components[i]->haveNMol() ){
204 <        // we have a problem
205 <        sprintf( painCave.errMsg,
206 <                 "SimSetup Error. No global NMol or component NMol"
207 <                 " given. Cannot calculate the number of atoms.\n" );
208 <        painCave.isFatal = 1;
209 <        simError();
210 <      }
203 >  int nMembers, nNew, rb1, rb2;
204 >
205 >  for (k = 0; k < nInfo; k++){
206 >    the_ff->setSimInfo(&(info[k]));
207 >
208 >    atomOffset = 0;
209 >
210 >    for (i = 0; i < info[k].n_mol; i++){
211 >      stampID = info[k].molecules[i].getStampID();
212 >      molName = comp_stamps[stampID]->getID();
213 >
214 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
215 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
216 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
217 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
218 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
219 >      
220 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
221  
222 <      tot_nmol += the_components[i]->getNMol();
223 <      components_nmol[i] = the_components[i]->getNMol();
224 <    }
225 <  }
240 <  else{
241 <    sprintf( painCave.errMsg,
242 <             "SimSetup error.\n"
243 <             "\tSorry, the ability to specify total"
244 <             " nMols and then give molfractions in the components\n"
245 <             "\tis not currently supported."
246 <             " Please give nMol in the components.\n" );
247 <    painCave.isFatal = 1;
248 <    simError();
249 <    
250 <    
251 <    //     tot_nmol = the_globals->getNMol();
252 <    
253 <    //   //we have the total number of molecules, now we check for molfractions
254 <    //     for( i=0; i<n_components; i++ ){
255 <    
256 <    //       if( !the_components[i]->haveMolFraction() ){
257 <    
258 <    //  if( !the_components[i]->haveNMol() ){
259 <    //    //we have a problem
260 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
261 <    //              << " nMol was given in component
262 <    
263 <  }
222 >      if (molInfo.nBonds > 0)
223 >        molInfo.myBonds = new (Bond *) [molInfo.nBonds];
224 >      else
225 >        molInfo.myBonds = NULL;
226  
227 < #ifdef IS_MPI
228 <  strcpy( checkPointMsg, "Have the number of components" );
229 <  MPIcheckPoint();
230 < #endif // is_mpi
227 >      if (molInfo.nBends > 0)
228 >        molInfo.myBends = new (Bend *) [molInfo.nBends];
229 >      else
230 >        molInfo.myBends = NULL;
231  
232 <  // make an array of molecule stamps that match the components used.
233 <  // also extract the used stamps out into a separate linked list
232 >      if (molInfo.nTorsions > 0)
233 >        molInfo.myTorsions = new (Torsion *) [molInfo.nTorsions];
234 >      else
235 >        molInfo.myTorsions = NULL;
236  
237 <  simnfo->nComponents = n_components;
238 <  simnfo->componentsNmol = components_nmol;
239 <  simnfo->compStamps = comp_stamps;
276 <  simnfo->headStamp = new LinkedMolStamp();
277 <  
278 <  char* id;
279 <  LinkedMolStamp* headStamp = simnfo->headStamp;
280 <  LinkedMolStamp* currentStamp = NULL;
281 <  for( i=0; i<n_components; i++ ){
282 <
283 <    id = the_components[i]->getType();
284 <    comp_stamps[i] = NULL;
285 <    
286 <    // check to make sure the component isn't already in the list
287 <
288 <    comp_stamps[i] = headStamp->match( id );
289 <    if( comp_stamps[i] == NULL ){
237 >      theBonds = new bond_pair[molInfo.nBonds];
238 >      theBends = new bend_set[molInfo.nBends];
239 >      theTorsions = new torsion_set[molInfo.nTorsions];
240        
241 <      // extract the component from the list;
292 <      
293 <      currentStamp = the_stamps->extractMolStamp( id );
294 <      if( currentStamp == NULL ){
295 <        sprintf( painCave.errMsg,
296 <                 "SimSetup error: Component \"%s\" was not found in the "
297 <                 "list of declared molecules\n",
298 <                 id );
299 <        painCave.isFatal = 1;
300 <        simError();
301 <      }
302 <      
303 <      headStamp->add( currentStamp );
304 <      comp_stamps[i] = headStamp->match( id );
305 <    }
306 <  }
241 >      // make the Atoms
242  
243 < #ifdef IS_MPI
244 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
310 <  MPIcheckPoint();
311 < #endif // is_mpi
312 <  
243 >      for (j = 0; j < molInfo.nAtoms; j++){
244 >        currentAtom = comp_stamps[stampID]->getAtom(j);
245  
246 +        if (currentAtom->haveOrientation()){
247 +          dAtom = new DirectionalAtom((j + atomOffset),
248 +                                      info[k].getConfiguration());
249 +          info[k].n_oriented++;
250 +          molInfo.myAtoms[j] = dAtom;
251  
252 +          // Directional Atoms have standard unit vectors which are oriented
253 +          // in space using the three Euler angles.  We assume the standard
254 +          // unit vector was originally along the z axis below.
255  
256 <  // caclulate the number of atoms, bonds, bends and torsions
256 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
257 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
258 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
259  
260 <  tot_atoms = 0;
261 <  tot_bonds = 0;
262 <  tot_bends = 0;
263 <  tot_torsions = 0;
322 <  for( i=0; i<n_components; i++ ){
323 <    
324 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
325 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
326 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
327 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
328 <  }
260 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
261 >            
262 >        }
263 >        else{
264  
265 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
265 >          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
266  
267 <  simnfo->n_atoms = tot_atoms;
333 <  simnfo->n_bonds = tot_bonds;
334 <  simnfo->n_bends = tot_bends;
335 <  simnfo->n_torsions = tot_torsions;
336 <  simnfo->n_SRI = tot_SRI;
337 <  simnfo->n_mol = tot_nmol;
338 <  
339 <  simnfo->molMembershipArray = new int[tot_atoms];
267 >        }
268  
269 +        molInfo.myAtoms[j]->setType(currentAtom->getType());
270   #ifdef IS_MPI
271  
272 <  // divide the molecules among processors here.
344 <  
345 <  mpiSim = new mpiSimulation( simnfo );
346 <  
347 <  globalIndex = mpiSim->divideLabor();
272 >        molInfo.myAtoms[j]->setGlobalIndex(globalAtomIndex[j + atomOffset]);
273  
274 <  // set up the local variables
275 <  
351 <  int localMol, allMol;
352 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
274 > #endif // is_mpi
275 >      }
276  
277 <  int* mol2proc = mpiSim->getMolToProcMap();
278 <  int* molCompType = mpiSim->getMolComponentType();
279 <  
280 <  allMol = 0;
281 <  localMol = 0;
359 <  local_atoms = 0;
360 <  local_bonds = 0;
361 <  local_bends = 0;
362 <  local_torsions = 0;
363 <  globalAtomIndex = 0;
277 >      // make the bonds
278 >      for (j = 0; j < molInfo.nBonds; j++){
279 >        currentBond = comp_stamps[stampID]->getBond(j);
280 >        theBonds[j].a = currentBond->getA() + atomOffset;
281 >        theBonds[j].b = currentBond->getB() + atomOffset;
282  
283 +        tempI = theBonds[j].a;
284 +        tempJ = theBonds[j].b;
285  
286 <  for( i=0; i<n_components; i++ ){
286 > #ifdef IS_MPI
287 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
288 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
289 > #else
290 >        exI = tempI + 1;
291 >        exJ = tempJ + 1;
292 > #endif
293  
294 <    for( j=0; j<components_nmol[i]; j++ ){
369 <      
370 <      if( mol2proc[allMol] == worldRank ){
371 <        
372 <        local_atoms +=    comp_stamps[i]->getNAtoms();
373 <        local_bonds +=    comp_stamps[i]->getNBonds();
374 <        local_bends +=    comp_stamps[i]->getNBends();
375 <        local_torsions += comp_stamps[i]->getNTorsions();
376 <        localMol++;
377 <      }      
378 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
379 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
380 <        globalAtomIndex++;
294 >        info[k].excludes->addPair(exI, exJ);
295        }
296  
297 <      allMol++;      
298 <    }
299 <  }
300 <  local_SRI = local_bonds + local_bends + local_torsions;
301 <  
302 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
389 <  
390 <  if( local_atoms != simnfo->n_atoms ){
391 <    sprintf( painCave.errMsg,
392 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
393 <             " localAtom (%d) are not equal.\n",
394 <             simnfo->n_atoms,
395 <             local_atoms );
396 <    painCave.isFatal = 1;
397 <    simError();
398 <  }
297 >      //make the bends
298 >      for (j = 0; j < molInfo.nBends; j++){
299 >        currentBend = comp_stamps[stampID]->getBend(j);
300 >        theBends[j].a = currentBend->getA() + atomOffset;
301 >        theBends[j].b = currentBend->getB() + atomOffset;
302 >        theBends[j].c = currentBend->getC() + atomOffset;
303  
304 <  simnfo->n_bonds = local_bonds;
305 <  simnfo->n_bends = local_bends;
306 <  simnfo->n_torsions = local_torsions;
403 <  simnfo->n_SRI = local_SRI;
404 <  simnfo->n_mol = localMol;
304 >        if (currentBend->haveExtras()){
305 >          extras = currentBend->getExtras();
306 >          current_extra = extras;
307  
308 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
309 <  MPIcheckPoint();
310 <  
311 <  
312 < #endif // is_mpi
313 <  
308 >          while (current_extra != NULL){
309 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
310 >              switch (current_extra->getType()){
311 >                case 0:
312 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
313 >                  theBends[j].isGhost = 1;
314 >                  break;
315  
316 <  // create the atom and short range interaction arrays
316 >                case 1:
317 >                  theBends[j].ghost = (int) current_extra->getDouble() +
318 >                                      atomOffset;
319 >                  theBends[j].isGhost = 1;
320 >                  break;
321  
322 <  Atom::createArrays(simnfo->n_atoms);
323 <  the_atoms = new Atom*[simnfo->n_atoms];
324 <  the_molecules = new Molecule[simnfo->n_mol];
325 <  int molIndex;
326 <
327 <  // initialize the molecule's stampID's
322 >                default:
323 >                  sprintf(painCave.errMsg,
324 >                          "SimSetup Error: ghostVectorSource was neither a "
325 >                          "double nor an int.\n"
326 >                          "-->Bend[%d] in %s\n",
327 >                          j, comp_stamps[stampID]->getID());
328 >                  painCave.isFatal = 1;
329 >                  simError();
330 >              }
331 >            }
332 >            else{
333 >              sprintf(painCave.errMsg,
334 >                      "SimSetup Error: unhandled bend assignment:\n"
335 >                      "    -->%s in Bend[%d] in %s\n",
336 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
337 >              painCave.isFatal = 1;
338 >              simError();
339 >            }
340  
341 +            current_extra = current_extra->getNext();
342 +          }
343 +        }
344 +
345 +        if (theBends[j].isGhost) {
346 +          
347 +          tempI = theBends[j].a;
348 +          tempJ = theBends[j].b;
349 +          
350   #ifdef IS_MPI
351 <  
351 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
352 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
353 > #else
354 >          exI = tempI + 1;
355 >          exJ = tempJ + 1;
356 > #endif          
357 >          info[k].excludes->addPair(exI, exJ);
358  
359 <  molIndex = 0;
426 <  for(i=0; i<mpiSim->getTotNmol(); i++){
427 <    
428 <    if(mol2proc[i] == worldRank ){
429 <      the_molecules[molIndex].setStampID( molCompType[i] );
430 <      the_molecules[molIndex].setMyIndex( molIndex );
431 <      the_molecules[molIndex].setGlobalIndex( i );
432 <      molIndex++;
433 <    }
434 <  }
359 >        } else {
360  
361 < #else // is_mpi
362 <  
363 <  molIndex = 0;
364 <  globalAtomIndex = 0;
365 <  for(i=0; i<n_components; i++){
366 <    for(j=0; j<components_nmol[i]; j++ ){
367 <      the_molecules[molIndex].setStampID( i );
368 <      the_molecules[molIndex].setMyIndex( molIndex );
369 <      the_molecules[molIndex].setGlobalIndex( molIndex );
370 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
371 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
372 <        globalAtomIndex++;
361 >          tempI = theBends[j].a;
362 >          tempJ = theBends[j].b;
363 >          tempK = theBends[j].c;
364 >          
365 > #ifdef IS_MPI
366 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
367 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
368 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
369 > #else
370 >          exI = tempI + 1;
371 >          exJ = tempJ + 1;
372 >          exK = tempK + 1;
373 > #endif
374 >          
375 >          info[k].excludes->addPair(exI, exK);
376 >          info[k].excludes->addPair(exI, exJ);
377 >          info[k].excludes->addPair(exJ, exK);
378 >        }
379        }
449      molIndex++;
450    }
451  }
452    
380  
381 < #endif // is_mpi
381 >      for (j = 0; j < molInfo.nTorsions; j++){
382 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
383 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
384 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
385 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
386 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
387  
388 +        tempI = theTorsions[j].a;      
389 +        tempJ = theTorsions[j].b;
390 +        tempK = theTorsions[j].c;
391 +        tempL = theTorsions[j].d;
392  
393 <  if( simnfo->n_SRI ){
394 <    
395 <    Exclude::createArray(simnfo->n_SRI);
396 <    the_excludes = new Exclude*[simnfo->n_SRI];
397 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
398 <    simnfo->globalExcludes = new int;
399 <    simnfo->n_exclude = simnfo->n_SRI;
400 <  }
401 <  else{
402 <    
403 <    Exclude::createArray( 1 );
468 <    the_excludes = new Exclude*;
469 <    the_excludes[0] = new Exclude(0);
470 <    the_excludes[0]->setPair( 0,0 );
471 <    simnfo->globalExcludes = new int;
472 <    simnfo->globalExcludes[0] = 0;
473 <    simnfo->n_exclude = 0;
474 <  }
393 > #ifdef IS_MPI
394 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
395 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
396 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
397 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
398 > #else
399 >        exI = tempI + 1;
400 >        exJ = tempJ + 1;
401 >        exK = tempK + 1;
402 >        exL = tempL + 1;
403 > #endif
404  
405 <  // set the arrays into the SimInfo object
405 >        info[k].excludes->addPair(exI, exJ);
406 >        info[k].excludes->addPair(exI, exK);
407 >        info[k].excludes->addPair(exI, exL);        
408 >        info[k].excludes->addPair(exJ, exK);
409 >        info[k].excludes->addPair(exJ, exL);
410 >        info[k].excludes->addPair(exK, exL);
411 >      }
412  
413 <  simnfo->atoms = the_atoms;
414 <  simnfo->molecules = the_molecules;
415 <  simnfo->nGlobalExcludes = 0;
416 <  simnfo->excludes = the_excludes;
413 >      
414 >      molInfo.myRigidBodies.clear();
415 >      
416 >      for (j = 0; j < molInfo.nRigidBodies; j++){
417  
418 +        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
419 +        nMembers = currentRigidBody->getNMembers();
420  
421 <  // get some of the tricky things that may still be in the globals
421 >        // Create the Rigid Body:
422  
423 <  double boxVector[3];
487 <  if( the_globals->haveBox() ){
488 <    boxVector[0] = the_globals->getBox();
489 <    boxVector[1] = the_globals->getBox();
490 <    boxVector[2] = the_globals->getBox();
491 <    
492 <    simnfo->setBox( boxVector );
493 <  }
494 <  else if( the_globals->haveDensity() ){
423 >        myRB = new RigidBody();
424  
425 <    double vol;
426 <    vol = (double)tot_nmol / the_globals->getDensity();
427 <     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
428 <     boxVector[1] = boxVector[0];
500 <     boxVector[2] = boxVector[0];
425 >        sprintf(rbName,"%s_RB_%d", molName, j);
426 >        myRB->setType(rbName);
427 >        
428 >        for (rb1 = 0; rb1 < nMembers; rb1++) {
429  
430 <    simnfo->setBox( boxVector );
431 <  }
504 <  else{
505 <    if( !the_globals->haveBoxX() ){
506 <      sprintf( painCave.errMsg,
507 <               "SimSetup error, no periodic BoxX size given.\n" );
508 <      painCave.isFatal = 1;
509 <      simError();
510 <    }
511 <    boxVector[0] = the_globals->getBoxX();
430 >          // molI is atom numbering inside this molecule
431 >          molI = currentRigidBody->getMember(rb1);    
432  
433 <    if( !the_globals->haveBoxY() ){
434 <      sprintf( painCave.errMsg,
515 <               "SimSetup error, no periodic BoxY size given.\n" );
516 <      painCave.isFatal = 1;
517 <      simError();
518 <    }
519 <    boxVector[1] = the_globals->getBoxY();
433 >          // tempI is atom numbering on local processor
434 >          tempI = molI + atomOffset;
435  
436 <    if( !the_globals->haveBoxZ() ){
437 <      sprintf( painCave.errMsg,
438 <               "SimSetup error, no periodic BoxZ size given.\n" );
524 <      painCave.isFatal = 1;
525 <      simError();
526 <    }
527 <    boxVector[2] = the_globals->getBoxZ();
436 >          // currentAtom is the AtomStamp (which we need for
437 >          // rigid body reference positions)
438 >          currentAtom = comp_stamps[stampID]->getAtom(molI);
439  
440 <    simnfo->setBox( boxVector );
441 <  }
440 >          // When we add to the rigid body, add the atom itself and
441 >          // the stamp info:
442  
443 +          myRB->addAtom(info[k].atoms[tempI], currentAtom);
444 +          
445 +          // Add this atom to the Skip List for the integrators
446   #ifdef IS_MPI
447 <  strcpy( checkPointMsg, "Box size set up" );
448 <  MPIcheckPoint();
449 < #endif // is_mpi
447 >          slI = info[k].atoms[tempI]->getGlobalIndex();
448 > #else
449 >          slI = tempI;
450 > #endif
451 >          skipList.insert(slI);
452 >          
453 >        }
454 >        
455 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
456 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
457 >            
458 >            tempI = currentRigidBody->getMember(rb1);
459 >            tempJ = currentRigidBody->getMember(rb2);
460 >            
461 >            // Some explanation is required here.
462 >            // Fortran indexing starts at 1, while c indexing starts at 0
463 >            // Also, in parallel computations, the GlobalIndex is
464 >            // used for the exclude list:
465 >            
466 > #ifdef IS_MPI
467 >            exI = molInfo.myAtoms[tempI]->getGlobalIndex() + 1;
468 >            exJ = molInfo.myAtoms[tempJ]->getGlobalIndex() + 1;
469 > #else
470 >            exI = molInfo.myAtoms[tempI]->getIndex() + 1;
471 >            exJ = molInfo.myAtoms[tempJ]->getIndex() + 1;
472 > #endif
473 >            
474 >            info[k].excludes->addPair(exI, exJ);
475 >            
476 >          }
477 >        }
478  
479 +        molInfo.myRigidBodies.push_back(myRB);
480 +        info[k].rigidBodies.push_back(myRB);
481 +      }
482 +      
483  
484 <  // initialize the arrays
484 >      // After this is all set up, scan through the atoms to
485 >      // see if they can be added to the integrableObjects:
486  
487 <  the_ff->setSimInfo( simnfo );
487 >      molInfo.myIntegrableObjects.clear();
488 >      
489  
490 <  makeMolecules();
543 <  simnfo->identArray = new int[simnfo->n_atoms];
544 <  for(i=0; i<simnfo->n_atoms; i++){
545 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
546 <  }
547 <  
548 <  if (the_globals->getUseRF() ) {
549 <    simnfo->useReactionField = 1;
550 <  
551 <    if( !the_globals->haveECR() ){
552 <      sprintf( painCave.errMsg,
553 <               "SimSetup Warning: using default value of 1/2 the smallest "
554 <               "box length for the electrostaticCutoffRadius.\n"
555 <               "I hope you have a very fast processor!\n");
556 <      painCave.isFatal = 0;
557 <      simError();
558 <      double smallest;
559 <      smallest = simnfo->boxLx;
560 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
561 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
562 <      simnfo->ecr = 0.5 * smallest;
563 <    } else {
564 <      simnfo->ecr        = the_globals->getECR();
565 <    }
490 >      for (j = 0; j < molInfo.nAtoms; j++){
491  
492 <    if( !the_globals->haveEST() ){
493 <      sprintf( painCave.errMsg,
494 <               "SimSetup Warning: using default value of 0.05 * the "
495 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
496 <               );
497 <      painCave.isFatal = 0;
498 <      simError();
499 <      simnfo->est = 0.05 * simnfo->ecr;
500 <    } else {
501 <      simnfo->est        = the_globals->getEST();
502 <    }
492 > #ifdef IS_MPI
493 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
494 > #else
495 >        slJ = j+atomOffset;
496 > #endif
497 >
498 >        // if they aren't on the skip list, then they can be integrated
499 >
500 >        if (skipList.find(slJ) == skipList.end()) {
501 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
502 >          info[k].integrableObjects.push_back(mySD);
503 >          molInfo.myIntegrableObjects.push_back(mySD);
504 >        }
505 >      }
506 >
507 >      // all rigid bodies are integrated:
508 >
509 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
510 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
511 >        info[k].integrableObjects.push_back(mySD);      
512 >        molInfo.myIntegrableObjects.push_back(mySD);
513 >      }
514      
579    if(!the_globals->haveDielectric() ){
580      sprintf( painCave.errMsg,
581               "SimSetup Error: You are trying to use Reaction Field without"
582               "setting a dielectric constant!\n"
583               );
584      painCave.isFatal = 1;
585      simError();
586    }
587    simnfo->dielectric = the_globals->getDielectric();  
588  } else {
589    if (usesDipoles) {
515        
516 <      if( !the_globals->haveECR() ){
592 <        sprintf( painCave.errMsg,
593 <                 "SimSetup Warning: using default value of 1/2 the smallest "
594 <                 "box length for the electrostaticCutoffRadius.\n"
595 <                 "I hope you have a very fast processor!\n");
596 <        painCave.isFatal = 0;
597 <        simError();
598 <        double smallest;
599 <        smallest = simnfo->boxLx;
600 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
601 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
602 <        simnfo->ecr = 0.5 * smallest;
603 <      } else {
604 <        simnfo->ecr        = the_globals->getECR();
605 <      }
516 >      // send the arrays off to the forceField for init.
517        
518 <      if( !the_globals->haveEST() ){
519 <        sprintf( painCave.errMsg,
520 <                 "SimSetup Warning: using default value of 5%% of the "
521 <                 "electrostaticCutoffRadius for the "
522 <                 "electrostaticSkinThickness\n"
612 <                 );
613 <        painCave.isFatal = 0;
614 <        simError();
615 <        simnfo->est = 0.05 * simnfo->ecr;
616 <      } else {
617 <        simnfo->est        = the_globals->getEST();
618 <      }
619 <    }
620 <  }  
518 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
519 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
520 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
521 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
522 >                                 theTorsions);
523  
524 +      info[k].molecules[i].initialize(molInfo);
525 +
526 +
527 +      atomOffset += molInfo.nAtoms;
528 +      delete[] theBonds;
529 +      delete[] theBends;
530 +      delete[] theTorsions;
531 +    }    
532 +  }
533 +
534   #ifdef IS_MPI
535 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
535 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
536    MPIcheckPoint();
537   #endif // is_mpi
538  
539 < if( the_globals->haveInitialConfig() ){
628 <
629 <     InitializeFromFile* fileInit;
630 < #ifdef IS_MPI // is_mpi
631 <     if( worldRank == 0 ){
632 < #endif //is_mpi
633 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
634 < #ifdef IS_MPI
635 <     }else fileInit = new InitializeFromFile( NULL );
636 < #endif
637 <   fileInit->read_xyz( simnfo ); // default velocities on
539 >  // clean up the forcefield
540  
541 <   delete fileInit;
640 < }
641 < else{
541 >  if (!globals->haveLJrcut()){
542  
543 < #ifdef IS_MPI
543 >    the_ff->calcRcut();
544  
545 <  // no init from bass
546 <  
547 <  sprintf( painCave.errMsg,
548 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
649 <  painCave.isFatal;
650 <  simError();
651 <  
652 < #else
545 >  } else {
546 >    
547 >    the_ff->setRcut( globals->getLJrcut() );
548 >  }
549  
550 <  initFromBass();
550 >  the_ff->cleanMe();
551 > }
552  
553 + void SimSetup::initFromBass(void){
554 +  int i, j, k;
555 +  int n_cells;
556 +  double cellx, celly, cellz;
557 +  double temp1, temp2, temp3;
558 +  int n_per_extra;
559 +  int n_extra;
560 +  int have_extra, done;
561  
562 < #endif
563 < }
562 >  double vel[3];
563 >  vel[0] = 0.0;
564 >  vel[1] = 0.0;
565 >  vel[2] = 0.0;
566  
567 < #ifdef IS_MPI
568 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
569 <  MPIcheckPoint();
663 < #endif // is_mpi
567 >  temp1 = (double) tot_nmol / 4.0;
568 >  temp2 = pow(temp1, (1.0 / 3.0));
569 >  temp3 = ceil(temp2);
570  
571 +  have_extra = 0;
572 +  if (temp2 < temp3){
573 +    // we have a non-complete lattice
574 +    have_extra = 1;
575  
576 <  
577 <
578 <  
576 >    n_cells = (int) temp3 - 1;
577 >    cellx = info[0].boxL[0] / temp3;
578 >    celly = info[0].boxL[1] / temp3;
579 >    cellz = info[0].boxL[2] / temp3;
580 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
581 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
582 >    n_per_extra = (int) ceil(temp1);
583  
584 <  
585 < #ifdef IS_MPI
586 <  if( worldRank == 0 ){
587 < #endif // is_mpi
588 <    
589 <    if( the_globals->haveFinalConfig() ){
676 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
584 >    if (n_per_extra > 4){
585 >      sprintf(painCave.errMsg,
586 >              "SimSetup error. There has been an error in constructing"
587 >              " the non-complete lattice.\n");
588 >      painCave.isFatal = 1;
589 >      simError();
590      }
591 <    else{
592 <      strcpy( simnfo->finalName, inFileName );
593 <      char* endTest;
594 <      int nameLength = strlen( simnfo->finalName );
595 <      endTest = &(simnfo->finalName[nameLength - 5]);
596 <      if( !strcmp( endTest, ".bass" ) ){
597 <        strcpy( endTest, ".eor" );
591 >  }
592 >  else{
593 >    n_cells = (int) temp3;
594 >    cellx = info[0].boxL[0] / temp3;
595 >    celly = info[0].boxL[1] / temp3;
596 >    cellz = info[0].boxL[2] / temp3;
597 >  }
598 >
599 >  current_mol = 0;
600 >  current_comp_mol = 0;
601 >  current_comp = 0;
602 >  current_atom_ndx = 0;
603 >
604 >  for (i = 0; i < n_cells ; i++){
605 >    for (j = 0; j < n_cells; j++){
606 >      for (k = 0; k < n_cells; k++){
607 >        makeElement(i * cellx, j * celly, k * cellz);
608 >
609 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
610 >
611 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
612 >
613 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
614        }
686      else if( !strcmp( endTest, ".BASS" ) ){
687        strcpy( endTest, ".eor" );
688      }
689      else{
690        endTest = &(simnfo->finalName[nameLength - 4]);
691        if( !strcmp( endTest, ".bss" ) ){
692          strcpy( endTest, ".eor" );
693        }
694        else if( !strcmp( endTest, ".mdl" ) ){
695          strcpy( endTest, ".eor" );
696        }
697        else{
698          strcat( simnfo->finalName, ".eor" );
699        }
700      }
615      }
702    
703    // make the sample and status out names
704    
705    strcpy( simnfo->sampleName, inFileName );
706    char* endTest;
707    int nameLength = strlen( simnfo->sampleName );
708    endTest = &(simnfo->sampleName[nameLength - 5]);
709    if( !strcmp( endTest, ".bass" ) ){
710      strcpy( endTest, ".dump" );
711    }
712    else if( !strcmp( endTest, ".BASS" ) ){
713      strcpy( endTest, ".dump" );
714    }
715    else{
716      endTest = &(simnfo->sampleName[nameLength - 4]);
717      if( !strcmp( endTest, ".bss" ) ){
718        strcpy( endTest, ".dump" );
719      }
720      else if( !strcmp( endTest, ".mdl" ) ){
721        strcpy( endTest, ".dump" );
722      }
723      else{
724        strcat( simnfo->sampleName, ".dump" );
725      }
726    }
727    
728    strcpy( simnfo->statusName, inFileName );
729    nameLength = strlen( simnfo->statusName );
730    endTest = &(simnfo->statusName[nameLength - 5]);
731    if( !strcmp( endTest, ".bass" ) ){
732      strcpy( endTest, ".stat" );
733    }
734    else if( !strcmp( endTest, ".BASS" ) ){
735      strcpy( endTest, ".stat" );
736    }
737    else{
738      endTest = &(simnfo->statusName[nameLength - 4]);
739      if( !strcmp( endTest, ".bss" ) ){
740        strcpy( endTest, ".stat" );
741      }
742      else if( !strcmp( endTest, ".mdl" ) ){
743        strcpy( endTest, ".stat" );
744      }
745      else{
746        strcat( simnfo->statusName, ".stat" );
747      }
748    }
749    
750 #ifdef IS_MPI
616    }
752 #endif // is_mpi
753  
754  // set the status, sample, and themal kick times
755  
756  if( the_globals->haveSampleTime() ){
757    simnfo->sampleTime = the_globals->getSampleTime();
758    simnfo->statusTime = simnfo->sampleTime;
759    simnfo->thermalTime = simnfo->sampleTime;
760  }
761  else{
762    simnfo->sampleTime = the_globals->getRunTime();
763    simnfo->statusTime = simnfo->sampleTime;
764    simnfo->thermalTime = simnfo->sampleTime;
765  }
617  
618 <  if( the_globals->haveStatusTime() ){
619 <    simnfo->statusTime = the_globals->getStatusTime();
769 <  }
618 >  if (have_extra){
619 >    done = 0;
620  
621 <  if( the_globals->haveThermalTime() ){
622 <    simnfo->thermalTime = the_globals->getThermalTime();
623 <  }
621 >    int start_ndx;
622 >    for (i = 0; i < (n_cells + 1) && !done; i++){
623 >      for (j = 0; j < (n_cells + 1) && !done; j++){
624 >        if (i < n_cells){
625 >          if (j < n_cells){
626 >            start_ndx = n_cells;
627 >          }
628 >          else
629 >            start_ndx = 0;
630 >        }
631 >        else
632 >          start_ndx = 0;
633  
634 <  // check for the temperature set flag
634 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
635 >          makeElement(i * cellx, j * celly, k * cellz);
636 >          done = (current_mol >= tot_nmol);
637  
638 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
638 >          if (!done && n_per_extra > 1){
639 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
640 >                        k * cellz);
641 >            done = (current_mol >= tot_nmol);
642 >          }
643  
644 +          if (!done && n_per_extra > 2){
645 +            makeElement(i * cellx, j * celly + 0.5 * celly,
646 +                        k * cellz + 0.5 * cellz);
647 +            done = (current_mol >= tot_nmol);
648 +          }
649  
650 <  // make the integrator
651 <  
652 <  
653 <  NVT* myNVT = NULL;
654 <  switch( ensembleCase ){
650 >          if (!done && n_per_extra > 3){
651 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
652 >                        k * cellz + 0.5 * cellz);
653 >            done = (current_mol >= tot_nmol);
654 >          }
655 >        }
656 >      }
657 >    }
658 >  }
659  
660 <  case NVE_ENS:
661 <    new NVE( simnfo, the_ff );
662 <    break;
660 >  for (i = 0; i < info[0].n_atoms; i++){
661 >    info[0].atoms[i]->setVel(vel);
662 >  }
663 > }
664  
665 <  case NVT_ENS:
666 <    myNVT = new NVT( simnfo, the_ff );
667 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
665 > void SimSetup::makeElement(double x, double y, double z){
666 >  int k;
667 >  AtomStamp* current_atom;
668 >  DirectionalAtom* dAtom;
669 >  double rotMat[3][3];
670 >  double pos[3];
671  
672 <    if (the_globals->haveTauThermostat())
673 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
674 < //     else if (the_globals->haveQmass())
675 < //       myNVT->setQmass(the_globals->getQmass());
676 <    else {
677 <      sprintf( painCave.errMsg,
678 <               "SimSetup error: If you use the NVT\n"
679 <               "    ensemble, you must set either tauThermostat or qMass.\n"
680 <               "    Neither of these was found in the BASS file.\n");
672 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
673 >    current_atom = comp_stamps[current_comp]->getAtom(k);
674 >    if (!current_atom->havePosition()){
675 >      sprintf(painCave.errMsg,
676 >              "SimSetup:initFromBass error.\n"
677 >              "\tComponent %s, atom %s does not have a position specified.\n"
678 >              "\tThe initialization routine is unable to give a start"
679 >              " position.\n",
680 >              comp_stamps[current_comp]->getID(), current_atom->getType());
681        painCave.isFatal = 1;
682        simError();
683      }
806    break;
684  
685 <  default:
686 <    sprintf( painCave.errMsg,
687 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
811 <    painCave.isFatal = 1;
812 <    simError();
813 <  }
685 >    pos[0] = x + current_atom->getPosX();
686 >    pos[1] = y + current_atom->getPosY();
687 >    pos[2] = z + current_atom->getPosZ();
688  
689 +    info[0].atoms[current_atom_ndx]->setPos(pos);
690  
691 < #ifdef IS_MPI
692 <  mpiSim->mpiRefresh();
818 < #endif
691 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
692 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
693  
694 <  // initialize the Fortran
694 >      rotMat[0][0] = 1.0;
695 >      rotMat[0][1] = 0.0;
696 >      rotMat[0][2] = 0.0;
697  
698 +      rotMat[1][0] = 0.0;
699 +      rotMat[1][1] = 1.0;
700 +      rotMat[1][2] = 0.0;
701  
702 <  simnfo->refreshSim();
703 <  
704 <  if( !strcmp( simnfo->mixingRule, "standard") ){
705 <    the_ff->initForceField( LB_MIXING_RULE );
702 >      rotMat[2][0] = 0.0;
703 >      rotMat[2][1] = 0.0;
704 >      rotMat[2][2] = 1.0;
705 >
706 >      dAtom->setA(rotMat);
707 >    }
708 >
709 >    current_atom_ndx++;
710    }
828  else if( !strcmp( simnfo->mixingRule, "explicit") ){
829    the_ff->initForceField( EXPLICIT_MIXING_RULE );
830  }
831  else{
832    sprintf( painCave.errMsg,
833             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
834             simnfo->mixingRule );
835    painCave.isFatal = 1;
836    simError();
837  }
711  
712 +  current_mol++;
713 +  current_comp_mol++;
714  
715 < #ifdef IS_MPI
716 <  strcpy( checkPointMsg,
717 <          "Successfully intialized the mixingRule for Fortran." );
718 <  MPIcheckPoint();
844 < #endif // is_mpi
715 >  if (current_comp_mol >= components_nmol[current_comp]){
716 >    current_comp_mol = 0;
717 >    current_comp++;
718 >  }
719   }
720  
721  
722 < void SimSetup::makeMolecules( void ){
722 > void SimSetup::gatherInfo(void){
723 >  int i;
724  
725 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
726 <  molInit info;
852 <  DirectionalAtom* dAtom;
853 <  LinkedAssign* extras;
854 <  LinkedAssign* current_extra;
855 <  AtomStamp* currentAtom;
856 <  BondStamp* currentBond;
857 <  BendStamp* currentBend;
858 <  TorsionStamp* currentTorsion;
725 >  ensembleCase = -1;
726 >  ffCase = -1;
727  
728 <  bond_pair* theBonds;
861 <  bend_set* theBends;
862 <  torsion_set* theTorsions;
728 >  // set the easy ones first
729  
730 <  
731 <  //init the forceField paramters
730 >  for (i = 0; i < nInfo; i++){
731 >    info[i].target_temp = globals->getTargetTemp();
732 >    info[i].dt = globals->getDt();
733 >    info[i].run_time = globals->getRunTime();
734 >  }
735 >  n_components = globals->getNComponents();
736  
867  the_ff->readParams();
737  
738 <  
870 <  // init the atoms
738 >  // get the forceField
739  
740 <  double ux, uy, uz, u, uSqr;
873 <  
874 <  atomOffset = 0;
875 <  excludeOffset = 0;
876 <  for(i=0; i<simnfo->n_mol; i++){
877 <    
878 <    stampID = the_molecules[i].getStampID();
740 >  strcpy(force_field, globals->getForceField());
741  
742 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
743 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
744 <    info.nBends    = comp_stamps[stampID]->getNBends();
745 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
746 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
742 >  if (!strcasecmp(force_field, "DUFF")){
743 >    ffCase = FF_DUFF;
744 >  }
745 >  else if (!strcasecmp(force_field, "LJ")){
746 >    ffCase = FF_LJ;
747 >  }
748 >  else if (!strcasecmp(force_field, "EAM")){
749 >    ffCase = FF_EAM;
750 >  }
751 >  else if (!strcasecmp(force_field, "WATER")){
752 >    ffCase = FF_H2O;
753 >  }
754 >  else{
755 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
756 >            force_field);
757 >         painCave.isFatal = 1;
758 >         simError();
759 >  }
760  
761 <    info.myAtoms = &the_atoms[atomOffset];
887 <    info.myExcludes = &the_excludes[excludeOffset];
888 <    info.myBonds = new Bond*[info.nBonds];
889 <    info.myBends = new Bend*[info.nBends];
890 <    info.myTorsions = new Torsion*[info.nTorsions];
761 >    // get the ensemble
762  
763 <    theBonds = new bond_pair[info.nBonds];
764 <    theBends = new bend_set[info.nBends];
765 <    theTorsions = new torsion_set[info.nTorsions];
763 >  strcpy(ensemble, globals->getEnsemble());
764 >
765 >  if (!strcasecmp(ensemble, "NVE")){
766 >    ensembleCase = NVE_ENS;
767 >  }
768 >  else if (!strcasecmp(ensemble, "NVT")){
769 >    ensembleCase = NVT_ENS;
770 >  }
771 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
772 >    ensembleCase = NPTi_ENS;
773 >  }
774 >  else if (!strcasecmp(ensemble, "NPTf")){
775 >    ensembleCase = NPTf_ENS;
776 >  }
777 >  else if (!strcasecmp(ensemble, "NPTxyz")){
778 >    ensembleCase = NPTxyz_ENS;
779 >  }
780 >  else{
781 >    sprintf(painCave.errMsg,
782 >            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
783 >            "\treverting to NVE for this simulation.\n",
784 >            ensemble);
785 >         painCave.isFatal = 0;
786 >         simError();
787 >         strcpy(ensemble, "NVE");
788 >         ensembleCase = NVE_ENS;
789 >  }  
790 >
791 >  for (i = 0; i < nInfo; i++){
792 >    strcpy(info[i].ensemble, ensemble);
793 >
794 >    // get the mixing rule
795 >
796 >    strcpy(info[i].mixingRule, globals->getMixingRule());
797 >    info[i].usePBC = globals->getPBC();
798 >  }
799 >
800 >  // get the components and calculate the tot_nMol and indvidual n_mol
801 >
802 >  the_components = globals->getComponents();
803 >  components_nmol = new int[n_components];
804 >
805 >
806 >  if (!globals->haveNMol()){
807 >    // we don't have the total number of molecules, so we assume it is
808 >    // given in each component
809 >
810 >    tot_nmol = 0;
811 >    for (i = 0; i < n_components; i++){
812 >      if (!the_components[i]->haveNMol()){
813 >        // we have a problem
814 >        sprintf(painCave.errMsg,
815 >                "SimSetup Error. No global NMol or component NMol given.\n"
816 >                "\tCannot calculate the number of atoms.\n");
817 >        painCave.isFatal = 1;
818 >        simError();
819 >      }
820 >
821 >      tot_nmol += the_components[i]->getNMol();
822 >      components_nmol[i] = the_components[i]->getNMol();
823 >    }
824 >  }
825 >  else{
826 >    sprintf(painCave.errMsg,
827 >            "SimSetup error.\n"
828 >            "\tSorry, the ability to specify total"
829 >            " nMols and then give molfractions in the components\n"
830 >            "\tis not currently supported."
831 >            " Please give nMol in the components.\n");
832 >    painCave.isFatal = 1;
833 >    simError();
834 >  }
835 >
836 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
837 >  if (globals->haveSampleTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
838 >    sprintf(painCave.errMsg,
839 >            "Sample time is not divisible by dt.\n"
840 >            "\tThis will result in samples that are not uniformly\n"
841 >            "\tdistributed in time.  If this is a problem, change\n"
842 >            "\tyour sampleTime variable.\n");
843 >    painCave.isFatal = 0;
844 >    simError();    
845 >  }
846 >
847 >  if (globals->haveStatusTime() && !isDivisible(globals->getStatusTime(), globals->getDt())){
848 >    sprintf(painCave.errMsg,
849 >            "Status time is not divisible by dt.\n"
850 >            "\tThis will result in status reports that are not uniformly\n"
851 >            "\tdistributed in time.  If this is a problem, change \n"
852 >            "\tyour statusTime variable.\n");
853 >    painCave.isFatal = 0;
854 >    simError();    
855 >  }
856 >
857 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
858 >    sprintf(painCave.errMsg,
859 >            "Thermal time is not divisible by dt.\n"
860 >            "\tThis will result in thermalizations that are not uniformly\n"
861 >            "\tdistributed in time.  If this is a problem, change \n"
862 >            "\tyour thermalTime variable.\n");
863 >    painCave.isFatal = 0;
864 >    simError();    
865 >  }  
866 >
867 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
868 >    sprintf(painCave.errMsg,
869 >            "Reset time is not divisible by dt.\n"
870 >            "\tThis will result in integrator resets that are not uniformly\n"
871 >            "\tdistributed in time.  If this is a problem, change\n"
872 >            "\tyour resetTime variable.\n");
873 >    painCave.isFatal = 0;
874 >    simError();    
875 >  }
876 >
877 >  // set the status, sample, and thermal kick times
878 >
879 >  for (i = 0; i < nInfo; i++){
880 >    if (globals->haveSampleTime()){
881 >      info[i].sampleTime = globals->getSampleTime();
882 >      info[i].statusTime = info[i].sampleTime;
883 >    }
884 >    else{
885 >      info[i].sampleTime = globals->getRunTime();
886 >      info[i].statusTime = info[i].sampleTime;
887 >    }
888 >
889 >    if (globals->haveStatusTime()){
890 >      info[i].statusTime = globals->getStatusTime();
891 >    }
892 >
893 >    if (globals->haveThermalTime()){
894 >      info[i].thermalTime = globals->getThermalTime();
895 >    } else {
896 >      info[i].thermalTime = globals->getRunTime();
897 >    }
898 >
899 >    info[i].resetIntegrator = 0;
900 >    if( globals->haveResetTime() ){
901 >      info[i].resetTime = globals->getResetTime();
902 >      info[i].resetIntegrator = 1;
903 >    }
904 >
905 >    // check for the temperature set flag
906      
907 <    // make the Atoms
907 >    if (globals->haveTempSet())
908 >      info[i].setTemp = globals->getTempSet();
909 >
910 >    // check for the extended State init
911 >
912 >    info[i].useInitXSstate = globals->getUseInitXSstate();
913 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
914 >    info[i].useMolecularCutoffs = globals->getUseMolecularCutoffs();
915 >
916      
917 <    for(j=0; j<info.nAtoms; j++){
918 <      
919 <      currentAtom = comp_stamps[stampID]->getAtom( j );
920 <      if( currentAtom->haveOrientation() ){
921 <        
922 <        dAtom = new DirectionalAtom(j + atomOffset);
923 <        simnfo->n_oriented++;
924 <        info.myAtoms[j] = dAtom;
925 <        
926 <        ux = currentAtom->getOrntX();
927 <        uy = currentAtom->getOrntY();
928 <        uz = currentAtom->getOrntZ();
929 <        
930 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
931 <        
932 <        u = sqrt( uSqr );
933 <        ux = ux / u;
934 <        uy = uy / u;
935 <        uz = uz / u;
936 <        
937 <        dAtom->setSUx( ux );
919 <        dAtom->setSUy( uy );
920 <        dAtom->setSUz( uz );
921 <      }
922 <      else{
923 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
917 >  }
918 >  
919 >  //setup seed for random number generator
920 >  int seedValue;
921 >
922 >  if (globals->haveSeed()){
923 >    seedValue = globals->getSeed();
924 >
925 >    if(seedValue / 1E9 == 0){
926 >      sprintf(painCave.errMsg,
927 >              "Seed for sprng library should contain at least 9 digits\n"
928 >              "OOPSE will generate a seed for user\n");
929 >      painCave.isFatal = 0;
930 >      simError();
931 >
932 >      //using seed generated by system instead of invalid seed set by user
933 > #ifndef IS_MPI
934 >      seedValue = make_sprng_seed();
935 > #else
936 >      if (worldRank == 0){
937 >        seedValue = make_sprng_seed();
938        }
939 <      info.myAtoms[j]->setType( currentAtom->getType() );
939 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
940 > #endif      
941 >    }
942 >  }//end of if branch of globals->haveSeed()
943 >  else{
944      
945 + #ifndef IS_MPI
946 +    seedValue = make_sprng_seed();
947 + #else
948 +    if (worldRank == 0){
949 +      seedValue = make_sprng_seed();
950 +    }
951 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
952 + #endif
953 +  }//end of globals->haveSeed()
954 +
955 +  for (int i = 0; i < nInfo; i++){
956 +    info[i].setSeed(seedValue);
957 +  }
958 +  
959   #ifdef IS_MPI
960 <      
961 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
930 <      
960 >  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
961 >  MPIcheckPoint();
962   #endif // is_mpi
963 <    }
933 <    
934 <    // make the bonds
935 <    for(j=0; j<info.nBonds; j++){
936 <      
937 <      currentBond = comp_stamps[stampID]->getBond( j );
938 <      theBonds[j].a = currentBond->getA() + atomOffset;
939 <      theBonds[j].b = currentBond->getB() + atomOffset;
963 > }
964  
941      exI = theBonds[j].a;
942      exJ = theBonds[j].b;
965  
966 <      // exclude_I must always be the smaller of the pair
967 <      if( exI > exJ ){
968 <        tempEx = exI;
969 <        exI = exJ;
970 <        exJ = tempEx;
949 <      }
950 < #ifdef IS_MPI
951 <      tempEx = exI;
952 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
953 <      tempEx = exJ;
954 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
955 <      
956 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
957 < #else  // isn't MPI
966 > void SimSetup::finalInfoCheck(void){
967 >  int index;
968 >  int usesDipoles;
969 >  int usesCharges;
970 >  int i;
971  
972 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
973 < #endif  //is_mpi
972 >  for (i = 0; i < nInfo; i++){
973 >    // check electrostatic parameters
974 >
975 >    index = 0;
976 >    usesDipoles = 0;
977 >    while ((index < info[i].n_atoms) && !usesDipoles){
978 >      usesDipoles = (info[i].atoms[index])->hasDipole();
979 >      index++;
980      }
981 <    excludeOffset += info.nBonds;
981 >    index = 0;
982 >    usesCharges = 0;
983 >    while ((index < info[i].n_atoms) && !usesCharges){
984 >      usesCharges= (info[i].atoms[index])->hasCharge();
985 >      index++;
986 >    }
987 > #ifdef IS_MPI
988 >    int myUse = usesDipoles;
989 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
990 > #endif //is_mpi
991  
992 <    //make the bends
993 <    for(j=0; j<info.nBends; j++){
994 <      
995 <      currentBend = comp_stamps[stampID]->getBend( j );
996 <      theBends[j].a = currentBend->getA() + atomOffset;
997 <      theBends[j].b = currentBend->getB() + atomOffset;
998 <      theBends[j].c = currentBend->getC() + atomOffset;
999 <          
1000 <      if( currentBend->haveExtras() ){
1001 <            
1002 <        extras = currentBend->getExtras();
1003 <        current_extra = extras;
1004 <            
977 <        while( current_extra != NULL ){
978 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
979 <                
980 <            switch( current_extra->getType() ){
981 <              
982 <            case 0:
983 <              theBends[j].ghost =
984 <                current_extra->getInt() + atomOffset;
985 <              theBends[j].isGhost = 1;
986 <              break;
987 <                  
988 <            case 1:
989 <              theBends[j].ghost =
990 <                (int)current_extra->getDouble() + atomOffset;
991 <              theBends[j].isGhost = 1;
992 <              break;
993 <              
994 <            default:
995 <              sprintf( painCave.errMsg,
996 <                       "SimSetup Error: ghostVectorSource was neither a "
997 <                       "double nor an int.\n"
998 <                       "-->Bend[%d] in %s\n",
999 <                       j, comp_stamps[stampID]->getID() );
1000 <              painCave.isFatal = 1;
1001 <              simError();
1002 <            }
1003 <          }
1004 <          
1005 <          else{
1006 <            
1007 <            sprintf( painCave.errMsg,
1008 <                     "SimSetup Error: unhandled bend assignment:\n"
1009 <                     "    -->%s in Bend[%d] in %s\n",
1010 <                     current_extra->getlhs(),
1011 <                     j, comp_stamps[stampID]->getID() );
1012 <            painCave.isFatal = 1;
1013 <            simError();
1014 <          }
1015 <          
1016 <          current_extra = current_extra->getNext();
1017 <        }
992 >    double theEcr, theEst;
993 >
994 >    if (globals->getUseRF()){
995 >      info[i].useReactionField = 1;
996 >
997 >      if (!globals->haveECR()){
998 >        sprintf(painCave.errMsg,
999 >                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
1000 >                "\tOOPSE will use a default value of 15.0 angstroms"
1001 >                "\tfor the electrostaticCutoffRadius.\n");
1002 >        painCave.isFatal = 0;
1003 >        simError();
1004 >        theEcr = 15.0;
1005        }
1019          
1020      if( !theBends[j].isGhost ){
1021            
1022        exI = theBends[j].a;
1023        exJ = theBends[j].c;
1024      }
1006        else{
1007 <        
1027 <        exI = theBends[j].a;
1028 <        exJ = theBends[j].b;
1007 >        theEcr = globals->getECR();
1008        }
1009 <      
1010 <      // exclude_I must always be the smaller of the pair
1011 <      if( exI > exJ ){
1012 <        tempEx = exI;
1013 <        exI = exJ;
1014 <        exJ = tempEx;
1009 >
1010 >      if (!globals->haveEST()){
1011 >        sprintf(painCave.errMsg,
1012 >                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
1013 >                "\tOOPSE will use a default value of\n"
1014 >                "\t0.05 * electrostaticCutoffRadius\n"
1015 >                "\tfor the electrostaticSkinThickness\n");
1016 >        painCave.isFatal = 0;
1017 >        simError();
1018 >        theEst = 0.05 * theEcr;
1019        }
1020 < #ifdef IS_MPI
1021 <      tempEx = exI;
1022 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1040 <      tempEx = exJ;
1041 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1042 <      
1043 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1044 < #else  // isn't MPI
1045 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1046 < #endif  //is_mpi
1047 <    }
1048 <    excludeOffset += info.nBends;
1020 >      else{
1021 >        theEst = globals->getEST();
1022 >      }
1023  
1024 <    for(j=0; j<info.nTorsions; j++){
1051 <      
1052 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1053 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1054 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1055 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1056 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1057 <      
1058 <      exI = theTorsions[j].a;
1059 <      exJ = theTorsions[j].d;
1024 >      info[i].setDefaultEcr(theEcr, theEst);
1025  
1026 <      // exclude_I must always be the smaller of the pair
1027 <      if( exI > exJ ){
1028 <        tempEx = exI;
1029 <        exI = exJ;
1030 <        exJ = tempEx;
1026 >      if (!globals->haveDielectric()){
1027 >        sprintf(painCave.errMsg,
1028 >                "SimSetup Error: No Dielectric constant was set.\n"
1029 >                "\tYou are trying to use Reaction Field without"
1030 >                "\tsetting a dielectric constant!\n");
1031 >        painCave.isFatal = 1;
1032 >        simError();
1033        }
1034 < #ifdef IS_MPI
1068 <      tempEx = exI;
1069 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1070 <      tempEx = exJ;
1071 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1072 <      
1073 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1074 < #else  // isn't MPI
1075 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1076 < #endif  //is_mpi
1034 >      info[i].dielectric = globals->getDielectric();
1035      }
1036 <    excludeOffset += info.nTorsions;
1036 >    else{
1037 >      if (usesDipoles || usesCharges){
1038 >        if (!globals->haveECR()){
1039 >          sprintf(painCave.errMsg,
1040 >                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
1041 >                  "\tOOPSE will use a default value of 15.0 angstroms"
1042 >                  "\tfor the electrostaticCutoffRadius.\n");
1043 >          painCave.isFatal = 0;
1044 >          simError();
1045 >          theEcr = 15.0;
1046 >        }
1047 >        else{
1048 >          theEcr = globals->getECR();
1049 >        }
1050 >        
1051 >        if (!globals->haveEST()){
1052 >          sprintf(painCave.errMsg,
1053 >                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
1054 >                  "\tOOPSE will use a default value of\n"
1055 >                  "\t0.05 * electrostaticCutoffRadius\n"
1056 >                  "\tfor the electrostaticSkinThickness\n");
1057 >          painCave.isFatal = 0;
1058 >          simError();
1059 >          theEst = 0.05 * theEcr;
1060 >        }
1061 >        else{
1062 >          theEst = globals->getEST();
1063 >        }
1064 >        
1065 >        info[i].setDefaultEcr(theEcr, theEst);
1066 >      }
1067 >    }
1068 >  }
1069 > #ifdef IS_MPI
1070 >  strcpy(checkPointMsg, "post processing checks out");
1071 >  MPIcheckPoint();
1072 > #endif // is_mpi
1073 > }
1074 >  
1075 > void SimSetup::initSystemCoords(void){
1076 >  int i;
1077  
1078 <    
1081 <    // send the arrays off to the forceField for init.
1078 >  char* inName;
1079  
1080 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1084 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1085 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1086 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1080 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1081  
1082 +  for (i = 0; i < info[0].n_atoms; i++)
1083 +    info[0].atoms[i]->setCoords();
1084  
1085 <    the_molecules[i].initialize( info );
1085 >  if (globals->haveInitialConfig()){
1086 >    InitializeFromFile* fileInit;
1087 > #ifdef IS_MPI // is_mpi
1088 >    if (worldRank == 0){
1089 > #endif //is_mpi
1090 >      inName = globals->getInitialConfig();
1091 >      fileInit = new InitializeFromFile(inName);
1092 > #ifdef IS_MPI
1093 >    }
1094 >    else
1095 >      fileInit = new InitializeFromFile(NULL);
1096 > #endif
1097 >    fileInit->readInit(info); // default velocities on
1098  
1099 <
1092 <    atomOffset += info.nAtoms;
1093 <    delete[] theBonds;
1094 <    delete[] theBends;
1095 <    delete[] theTorsions;
1099 >    delete fileInit;
1100    }
1101 +  else{
1102 +    
1103 +    // no init from bass
1104 +    
1105 +    sprintf(painCave.errMsg,
1106 +            "Cannot intialize a simulation without an initial configuration file.\n");
1107 +    painCave.isFatal = 1;;
1108 +    simError();
1109 +    
1110 +  }
1111  
1112   #ifdef IS_MPI
1113 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1113 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1114    MPIcheckPoint();
1115   #endif // is_mpi
1116 + }
1117  
1103  // clean up the forcefield
1104  the_ff->calcRcut();
1105  the_ff->cleanMe();
1118  
1119 < }
1119 > void SimSetup::makeOutNames(void){
1120 >  int k;
1121  
1109 void SimSetup::initFromBass( void ){
1122  
1123 <  int i, j, k;
1124 <  int n_cells;
1125 <  double cellx, celly, cellz;
1126 <  double temp1, temp2, temp3;
1115 <  int n_per_extra;
1116 <  int n_extra;
1117 <  int have_extra, done;
1123 >  for (k = 0; k < nInfo; k++){
1124 > #ifdef IS_MPI
1125 >    if (worldRank == 0){
1126 > #endif // is_mpi
1127  
1128 <  temp1 = (double)tot_nmol / 4.0;
1129 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1130 <  temp3 = ceil( temp2 );
1128 >      if (globals->haveFinalConfig()){
1129 >        strcpy(info[k].finalName, globals->getFinalConfig());
1130 >      }
1131 >      else{
1132 >        strcpy(info[k].finalName, inFileName);
1133 >        char* endTest;
1134 >        int nameLength = strlen(info[k].finalName);
1135 >        endTest = &(info[k].finalName[nameLength - 5]);
1136 >        if (!strcmp(endTest, ".bass")){
1137 >          strcpy(endTest, ".eor");
1138 >        }
1139 >        else if (!strcmp(endTest, ".BASS")){
1140 >          strcpy(endTest, ".eor");
1141 >        }
1142 >        else{
1143 >          endTest = &(info[k].finalName[nameLength - 4]);
1144 >          if (!strcmp(endTest, ".bss")){
1145 >            strcpy(endTest, ".eor");
1146 >          }
1147 >          else if (!strcmp(endTest, ".mdl")){
1148 >            strcpy(endTest, ".eor");
1149 >          }
1150 >          else{
1151 >            strcat(info[k].finalName, ".eor");
1152 >          }
1153 >        }
1154 >      }
1155  
1156 <  have_extra =0;
1124 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1125 <    have_extra =1;
1156 >      // make the sample and status out names
1157  
1158 <    n_cells = (int)temp3 - 1;
1159 <    cellx = simnfo->boxLx / temp3;
1160 <    celly = simnfo->boxLy / temp3;
1161 <    cellz = simnfo->boxLz / temp3;
1162 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1163 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1164 <    n_per_extra = (int)ceil( temp1 );
1158 >      strcpy(info[k].sampleName, inFileName);
1159 >      char* endTest;
1160 >      int nameLength = strlen(info[k].sampleName);
1161 >      endTest = &(info[k].sampleName[nameLength - 5]);
1162 >      if (!strcmp(endTest, ".bass")){
1163 >        strcpy(endTest, ".dump");
1164 >      }
1165 >      else if (!strcmp(endTest, ".BASS")){
1166 >        strcpy(endTest, ".dump");
1167 >      }
1168 >      else{
1169 >        endTest = &(info[k].sampleName[nameLength - 4]);
1170 >        if (!strcmp(endTest, ".bss")){
1171 >          strcpy(endTest, ".dump");
1172 >        }
1173 >        else if (!strcmp(endTest, ".mdl")){
1174 >          strcpy(endTest, ".dump");
1175 >        }
1176 >        else{
1177 >          strcat(info[k].sampleName, ".dump");
1178 >        }
1179 >      }
1180  
1181 <    if( n_per_extra > 4){
1182 <      sprintf( painCave.errMsg,
1183 <               "SimSetup error. There has been an error in constructing"
1184 <               " the non-complete lattice.\n" );
1185 <      painCave.isFatal = 1;
1186 <      simError();
1181 >      strcpy(info[k].statusName, inFileName);
1182 >      nameLength = strlen(info[k].statusName);
1183 >      endTest = &(info[k].statusName[nameLength - 5]);
1184 >      if (!strcmp(endTest, ".bass")){
1185 >        strcpy(endTest, ".stat");
1186 >      }
1187 >      else if (!strcmp(endTest, ".BASS")){
1188 >        strcpy(endTest, ".stat");
1189 >      }
1190 >      else{
1191 >        endTest = &(info[k].statusName[nameLength - 4]);
1192 >        if (!strcmp(endTest, ".bss")){
1193 >          strcpy(endTest, ".stat");
1194 >        }
1195 >        else if (!strcmp(endTest, ".mdl")){
1196 >          strcpy(endTest, ".stat");
1197 >        }
1198 >        else{
1199 >          strcat(info[k].statusName, ".stat");
1200 >        }
1201 >      }
1202 >
1203 > #ifdef IS_MPI
1204 >
1205      }
1206 + #endif // is_mpi
1207    }
1208 <  else{
1209 <    n_cells = (int)temp3;
1210 <    cellx = simnfo->boxLx / temp3;
1211 <    celly = simnfo->boxLy / temp3;
1212 <    cellz = simnfo->boxLz / temp3;
1208 > }
1209 >
1210 >
1211 > void SimSetup::sysObjectsCreation(void){
1212 >  int i, k;
1213 >
1214 >  // create the forceField
1215 >
1216 >  createFF();
1217 >
1218 >  // extract componentList
1219 >
1220 >  compList();
1221 >
1222 >  // calc the number of atoms, bond, bends, and torsions
1223 >
1224 >  calcSysValues();
1225 >
1226 > #ifdef IS_MPI
1227 >  // divide the molecules among the processors
1228 >
1229 >  mpiMolDivide();
1230 > #endif //is_mpi
1231 >
1232 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1233 >
1234 >  makeSysArrays();
1235 >
1236 >  // make and initialize the molecules (all but atomic coordinates)
1237 >
1238 >  makeMolecules();
1239 >
1240 >  for (k = 0; k < nInfo; k++){
1241 >    info[k].identArray = new int[info[k].n_atoms];
1242 >    for (i = 0; i < info[k].n_atoms; i++){
1243 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1244 >    }
1245    }
1246 + }
1247  
1150  current_mol = 0;
1151  current_comp_mol = 0;
1152  current_comp = 0;
1153  current_atom_ndx = 0;
1248  
1249 <  for( i=0; i < n_cells ; i++ ){
1250 <    for( j=0; j < n_cells; j++ ){
1251 <      for( k=0; k < n_cells; k++ ){
1249 > void SimSetup::createFF(void){
1250 >  switch (ffCase){
1251 >    case FF_DUFF:
1252 >      the_ff = new DUFF();
1253 >      break;
1254  
1255 <        makeElement( i * cellx,
1256 <                     j * celly,
1257 <                     k * cellz );
1255 >    case FF_LJ:
1256 >      the_ff = new LJFF();
1257 >      break;
1258  
1259 <        makeElement( i * cellx + 0.5 * cellx,
1260 <                     j * celly + 0.5 * celly,
1261 <                     k * cellz );
1259 >    case FF_EAM:
1260 >      the_ff = new EAM_FF();
1261 >      break;
1262  
1263 <        makeElement( i * cellx,
1264 <                     j * celly + 0.5 * celly,
1265 <                     k * cellz + 0.5 * cellz );
1263 >    case FF_H2O:
1264 >      the_ff = new WATER();
1265 >      break;
1266  
1267 <        makeElement( i * cellx + 0.5 * cellx,
1268 <                     j * celly,
1269 <                     k * cellz + 0.5 * cellz );
1267 >    default:
1268 >      sprintf(painCave.errMsg,
1269 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1270 >      painCave.isFatal = 1;
1271 >      simError();
1272 >  }
1273 >
1274 > #ifdef IS_MPI
1275 >  strcpy(checkPointMsg, "ForceField creation successful");
1276 >  MPIcheckPoint();
1277 > #endif // is_mpi
1278 > }
1279 >
1280 >
1281 > void SimSetup::compList(void){
1282 >  int i;
1283 >  char* id;
1284 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1285 >  LinkedMolStamp* currentStamp = NULL;
1286 >  comp_stamps = new MoleculeStamp * [n_components];
1287 >
1288 >  // make an array of molecule stamps that match the components used.
1289 >  // also extract the used stamps out into a separate linked list
1290 >
1291 >  for (i = 0; i < nInfo; i++){
1292 >    info[i].nComponents = n_components;
1293 >    info[i].componentsNmol = components_nmol;
1294 >    info[i].compStamps = comp_stamps;
1295 >    info[i].headStamp = headStamp;
1296 >  }
1297 >
1298 >
1299 >  for (i = 0; i < n_components; i++){
1300 >    id = the_components[i]->getType();
1301 >    comp_stamps[i] = NULL;
1302 >
1303 >    // check to make sure the component isn't already in the list
1304 >
1305 >    comp_stamps[i] = headStamp->match(id);
1306 >    if (comp_stamps[i] == NULL){
1307 >      // extract the component from the list;
1308 >
1309 >      currentStamp = stamps->extractMolStamp(id);
1310 >      if (currentStamp == NULL){
1311 >        sprintf(painCave.errMsg,
1312 >                "SimSetup error: Component \"%s\" was not found in the "
1313 >                "list of declared molecules\n",
1314 >                id);
1315 >        painCave.isFatal = 1;
1316 >        simError();
1317        }
1318 +
1319 +      headStamp->add(currentStamp);
1320 +      comp_stamps[i] = headStamp->match(id);
1321      }
1322    }
1323  
1324 <  if( have_extra ){
1325 <    done = 0;
1324 > #ifdef IS_MPI
1325 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1326 >  MPIcheckPoint();
1327 > #endif // is_mpi
1328 > }
1329  
1330 <    int start_ndx;
1331 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1183 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1330 > void SimSetup::calcSysValues(void){
1331 >  int i;
1332  
1333 <        if( i < n_cells ){
1333 >  int* molMembershipArray;
1334  
1335 <          if( j < n_cells ){
1336 <            start_ndx = n_cells;
1337 <          }
1338 <          else start_ndx = 0;
1339 <        }
1340 <        else start_ndx = 0;
1335 >  tot_atoms = 0;
1336 >  tot_bonds = 0;
1337 >  tot_bends = 0;
1338 >  tot_torsions = 0;
1339 >  tot_rigid = 0;
1340 >  for (i = 0; i < n_components; i++){
1341 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1342 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1343 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1344 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1345 >    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1346 >  }
1347 >  
1348 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1349 >  molMembershipArray = new int[tot_atoms];
1350  
1351 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1351 >  for (i = 0; i < nInfo; i++){
1352 >    info[i].n_atoms = tot_atoms;
1353 >    info[i].n_bonds = tot_bonds;
1354 >    info[i].n_bends = tot_bends;
1355 >    info[i].n_torsions = tot_torsions;
1356 >    info[i].n_SRI = tot_SRI;
1357 >    info[i].n_mol = tot_nmol;
1358  
1359 <          makeElement( i * cellx,
1360 <                       j * celly,
1361 <                       k * cellz );
1199 <          done = ( current_mol >= tot_nmol );
1359 >    info[i].molMembershipArray = molMembershipArray;
1360 >  }
1361 > }
1362  
1363 <          if( !done && n_per_extra > 1 ){
1202 <            makeElement( i * cellx + 0.5 * cellx,
1203 <                         j * celly + 0.5 * celly,
1204 <                         k * cellz );
1205 <            done = ( current_mol >= tot_nmol );
1206 <          }
1363 > #ifdef IS_MPI
1364  
1365 <          if( !done && n_per_extra > 2){
1366 <            makeElement( i * cellx,
1367 <                         j * celly + 0.5 * celly,
1368 <                         k * cellz + 0.5 * cellz );
1369 <            done = ( current_mol >= tot_nmol );
1370 <          }
1365 > void SimSetup::mpiMolDivide(void){
1366 >  int i, j, k;
1367 >  int localMol, allMol;
1368 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1369 >  int local_rigid;
1370 >  vector<int> globalMolIndex;
1371  
1372 <          if( !done && n_per_extra > 3){
1373 <            makeElement( i * cellx + 0.5 * cellx,
1374 <                         j * celly,
1375 <                         k * cellz + 0.5 * cellz );
1376 <            done = ( current_mol >= tot_nmol );
1377 <          }
1378 <        }
1372 >  mpiSim = new mpiSimulation(info);
1373 >
1374 >  mpiSim->divideLabor();
1375 >  globalAtomIndex = mpiSim->getGlobalAtomIndex();
1376 >  //globalMolIndex = mpiSim->getGlobalMolIndex();
1377 >
1378 >  // set up the local variables
1379 >
1380 >  mol2proc = mpiSim->getMolToProcMap();
1381 >  molCompType = mpiSim->getMolComponentType();
1382 >
1383 >  allMol = 0;
1384 >  localMol = 0;
1385 >  local_atoms = 0;
1386 >  local_bonds = 0;
1387 >  local_bends = 0;
1388 >  local_torsions = 0;
1389 >  local_rigid = 0;
1390 >  globalAtomCounter = 0;
1391 >
1392 >  for (i = 0; i < n_components; i++){
1393 >    for (j = 0; j < components_nmol[i]; j++){
1394 >      if (mol2proc[allMol] == worldRank){
1395 >        local_atoms += comp_stamps[i]->getNAtoms();
1396 >        local_bonds += comp_stamps[i]->getNBonds();
1397 >        local_bends += comp_stamps[i]->getNBends();
1398 >        local_torsions += comp_stamps[i]->getNTorsions();
1399 >        local_rigid += comp_stamps[i]->getNRigidBodies();
1400 >        localMol++;
1401 >      }      
1402 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1403 >        info[0].molMembershipArray[globalAtomCounter] = allMol;
1404 >        globalAtomCounter++;
1405        }
1406 +
1407 +      allMol++;
1408      }
1409    }
1410 +  local_SRI = local_bonds + local_bends + local_torsions;
1411  
1412 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1413 +  
1414  
1415 <  for( i=0; i<simnfo->n_atoms; i++ ){
1416 <    simnfo->atoms[i]->set_vx( 0.0 );
1417 <    simnfo->atoms[i]->set_vy( 0.0 );
1418 <    simnfo->atoms[i]->set_vz( 0.0 );
1415 >  if (local_atoms != info[0].n_atoms){
1416 >    sprintf(painCave.errMsg,
1417 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1418 >            "\tlocalAtom (%d) are not equal.\n",
1419 >            info[0].n_atoms, local_atoms);
1420 >    painCave.isFatal = 1;
1421 >    simError();
1422    }
1423 +
1424 +  info[0].n_bonds = local_bonds;
1425 +  info[0].n_bends = local_bends;
1426 +  info[0].n_torsions = local_torsions;
1427 +  info[0].n_SRI = local_SRI;
1428 +  info[0].n_mol = localMol;
1429 +
1430 +  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1431 +  MPIcheckPoint();
1432   }
1433  
1434 < void SimSetup::makeElement( double x, double y, double z ){
1434 > #endif // is_mpi
1435  
1236  int k;
1237  AtomStamp* current_atom;
1238  DirectionalAtom* dAtom;
1239  double rotMat[3][3];
1436  
1437 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1437 > void SimSetup::makeSysArrays(void){
1438 >
1439 > #ifndef IS_MPI
1440 >  int k, j;
1441 > #endif // is_mpi
1442 >  int i, l;
1443  
1444 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1445 <    if( !current_atom->havePosition() ){
1245 <      sprintf( painCave.errMsg,
1246 <               "SimSetup:initFromBass error.\n"
1247 <               "\tComponent %s, atom %s does not have a position specified.\n"
1248 <               "\tThe initialization routine is unable to give a start"
1249 <               " position.\n",
1250 <               comp_stamps[current_comp]->getID(),
1251 <               current_atom->getType() );
1252 <      painCave.isFatal = 1;
1253 <      simError();
1254 <    }
1444 >  Atom** the_atoms;
1445 >  Molecule* the_molecules;
1446  
1447 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1448 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1258 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1447 >  for (l = 0; l < nInfo; l++){
1448 >    // create the atom and short range interaction arrays
1449  
1450 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1450 >    the_atoms = new Atom * [info[l].n_atoms];
1451 >    the_molecules = new Molecule[info[l].n_mol];
1452 >    int molIndex;
1453  
1454 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1454 >    // initialize the molecule's stampID's
1455  
1456 <      rotMat[0][0] = 1.0;
1265 <      rotMat[0][1] = 0.0;
1266 <      rotMat[0][2] = 0.0;
1456 > #ifdef IS_MPI
1457  
1268      rotMat[1][0] = 0.0;
1269      rotMat[1][1] = 1.0;
1270      rotMat[1][2] = 0.0;
1458  
1459 <      rotMat[2][0] = 0.0;
1460 <      rotMat[2][1] = 0.0;
1461 <      rotMat[2][2] = 1.0;
1459 >    molIndex = 0;
1460 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1461 >      if (mol2proc[i] == worldRank){
1462 >        the_molecules[molIndex].setStampID(molCompType[i]);
1463 >        the_molecules[molIndex].setMyIndex(molIndex);
1464 >        the_molecules[molIndex].setGlobalIndex(i);
1465 >        molIndex++;
1466 >      }
1467 >    }
1468  
1469 <      dAtom->setA( rotMat );
1469 > #else // is_mpi
1470 >
1471 >    molIndex = 0;
1472 >    globalAtomCounter = 0;
1473 >    for (i = 0; i < n_components; i++){
1474 >      for (j = 0; j < components_nmol[i]; j++){
1475 >        the_molecules[molIndex].setStampID(i);
1476 >        the_molecules[molIndex].setMyIndex(molIndex);
1477 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1478 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1479 >          info[l].molMembershipArray[globalAtomCounter] = molIndex;
1480 >          globalAtomCounter++;
1481 >        }
1482 >        molIndex++;
1483 >      }
1484      }
1485  
1279    current_atom_ndx++;
1280  }
1486  
1487 <  current_mol++;
1283 <  current_comp_mol++;
1487 > #endif // is_mpi
1488  
1489 <  if( current_comp_mol >= components_nmol[current_comp] ){
1489 >    info[l].globalExcludes = new int;
1490 >    info[l].globalExcludes[0] = 0;
1491 >    
1492 >    // set the arrays into the SimInfo object
1493  
1494 <    current_comp_mol = 0;
1495 <    current_comp++;
1494 >    info[l].atoms = the_atoms;
1495 >    info[l].molecules = the_molecules;
1496 >    info[l].nGlobalExcludes = 0;
1497 >
1498 >    the_ff->setSimInfo(info);
1499    }
1500   }
1501 +
1502 + void SimSetup::makeIntegrator(void){
1503 +  int k;
1504 +
1505 +  NVE<RealIntegrator>* myNVE = NULL;
1506 +  NVT<RealIntegrator>* myNVT = NULL;
1507 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1508 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1509 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1510 +  
1511 +  for (k = 0; k < nInfo; k++){
1512 +    switch (ensembleCase){
1513 +      case NVE_ENS:
1514 +        if (globals->haveZconstraints()){
1515 +          setupZConstraint(info[k]);
1516 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1517 +        }
1518 +        else{
1519 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1520 +        }
1521 +        
1522 +        info->the_integrator = myNVE;
1523 +        break;
1524 +
1525 +      case NVT_ENS:
1526 +        if (globals->haveZconstraints()){
1527 +          setupZConstraint(info[k]);
1528 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1529 +        }
1530 +        else
1531 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1532 +
1533 +        myNVT->setTargetTemp(globals->getTargetTemp());
1534 +
1535 +        if (globals->haveTauThermostat())
1536 +          myNVT->setTauThermostat(globals->getTauThermostat());
1537 +        else{
1538 +          sprintf(painCave.errMsg,
1539 +                  "SimSetup error: If you use the NVT\n"
1540 +                  "\tensemble, you must set tauThermostat.\n");
1541 +          painCave.isFatal = 1;
1542 +          simError();
1543 +        }
1544 +
1545 +        info->the_integrator = myNVT;
1546 +        break;
1547 +
1548 +      case NPTi_ENS:
1549 +        if (globals->haveZconstraints()){
1550 +          setupZConstraint(info[k]);
1551 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1552 +        }
1553 +        else
1554 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1555 +
1556 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1557 +
1558 +        if (globals->haveTargetPressure())
1559 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1560 +        else{
1561 +          sprintf(painCave.errMsg,
1562 +                  "SimSetup error: If you use a constant pressure\n"
1563 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1564 +          painCave.isFatal = 1;
1565 +          simError();
1566 +        }
1567 +
1568 +        if (globals->haveTauThermostat())
1569 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1570 +        else{
1571 +          sprintf(painCave.errMsg,
1572 +                  "SimSetup error: If you use an NPT\n"
1573 +                  "\tensemble, you must set tauThermostat.\n");
1574 +          painCave.isFatal = 1;
1575 +          simError();
1576 +        }
1577 +
1578 +        if (globals->haveTauBarostat())
1579 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1580 +        else{
1581 +          sprintf(painCave.errMsg,
1582 +                  "SimSetup error: If you use an NPT\n"
1583 +                  "\tensemble, you must set tauBarostat.\n");
1584 +          painCave.isFatal = 1;
1585 +          simError();
1586 +        }
1587 +
1588 +        info->the_integrator = myNPTi;
1589 +        break;
1590 +
1591 +      case NPTf_ENS:
1592 +        if (globals->haveZconstraints()){
1593 +          setupZConstraint(info[k]);
1594 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1595 +        }
1596 +        else
1597 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1598 +
1599 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1600 +
1601 +        if (globals->haveTargetPressure())
1602 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1603 +        else{
1604 +          sprintf(painCave.errMsg,
1605 +                  "SimSetup error: If you use a constant pressure\n"
1606 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1607 +          painCave.isFatal = 1;
1608 +          simError();
1609 +        }    
1610 +
1611 +        if (globals->haveTauThermostat())
1612 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1613 +
1614 +        else{
1615 +          sprintf(painCave.errMsg,
1616 +                  "SimSetup error: If you use an NPT\n"
1617 +                  "\tensemble, you must set tauThermostat.\n");
1618 +          painCave.isFatal = 1;
1619 +          simError();
1620 +        }
1621 +
1622 +        if (globals->haveTauBarostat())
1623 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1624 +
1625 +        else{
1626 +          sprintf(painCave.errMsg,
1627 +                  "SimSetup error: If you use an NPT\n"
1628 +                  "\tensemble, you must set tauBarostat.\n");
1629 +          painCave.isFatal = 1;
1630 +          simError();
1631 +        }
1632 +
1633 +        info->the_integrator = myNPTf;
1634 +        break;
1635 +
1636 +      case NPTxyz_ENS:
1637 +        if (globals->haveZconstraints()){
1638 +          setupZConstraint(info[k]);
1639 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1640 +        }
1641 +        else
1642 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1643 +
1644 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1645 +
1646 +        if (globals->haveTargetPressure())
1647 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1648 +        else{
1649 +          sprintf(painCave.errMsg,
1650 +                  "SimSetup error: If you use a constant pressure\n"
1651 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1652 +          painCave.isFatal = 1;
1653 +          simError();
1654 +        }    
1655 +
1656 +        if (globals->haveTauThermostat())
1657 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1658 +        else{
1659 +          sprintf(painCave.errMsg,
1660 +                  "SimSetup error: If you use an NPT\n"
1661 +                  "\tensemble, you must set tauThermostat.\n");
1662 +          painCave.isFatal = 1;
1663 +          simError();
1664 +        }
1665 +
1666 +        if (globals->haveTauBarostat())
1667 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1668 +        else{
1669 +          sprintf(painCave.errMsg,
1670 +                  "SimSetup error: If you use an NPT\n"
1671 +                  "\tensemble, you must set tauBarostat.\n");
1672 +          painCave.isFatal = 1;
1673 +          simError();
1674 +        }
1675 +
1676 +        info->the_integrator = myNPTxyz;
1677 +        break;
1678 +
1679 +      default:
1680 +        sprintf(painCave.errMsg,
1681 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1682 +        painCave.isFatal = 1;
1683 +        simError();
1684 +    }
1685 +  }
1686 + }
1687 +
1688 + void SimSetup::initFortran(void){
1689 +  info[0].refreshSim();
1690 +
1691 +  if (!strcmp(info[0].mixingRule, "standard")){
1692 +    the_ff->initForceField(LB_MIXING_RULE);
1693 +  }
1694 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1695 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1696 +  }
1697 +  else{
1698 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1699 +            info[0].mixingRule);
1700 +    painCave.isFatal = 1;
1701 +    simError();
1702 +  }
1703 +
1704 +
1705 + #ifdef IS_MPI
1706 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1707 +  MPIcheckPoint();
1708 + #endif // is_mpi
1709 + }
1710 +
1711 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1712 +  int nZConstraints;
1713 +  ZconStamp** zconStamp;
1714 +
1715 +  if (globals->haveZconstraintTime()){
1716 +    //add sample time of z-constraint  into SimInfo's property list                    
1717 +    DoubleData* zconsTimeProp = new DoubleData();
1718 +    zconsTimeProp->setID(ZCONSTIME_ID);
1719 +    zconsTimeProp->setData(globals->getZconsTime());
1720 +    theInfo.addProperty(zconsTimeProp);
1721 +  }
1722 +  else{
1723 +    sprintf(painCave.errMsg,
1724 +            "ZConstraint error: If you use a ZConstraint,\n"
1725 +            "\tyou must set zconsTime.\n");
1726 +    painCave.isFatal = 1;
1727 +    simError();
1728 +  }
1729 +
1730 +  //push zconsTol into siminfo, if user does not specify
1731 +  //value for zconsTol, a default value will be used
1732 +  DoubleData* zconsTol = new DoubleData();
1733 +  zconsTol->setID(ZCONSTOL_ID);
1734 +  if (globals->haveZconsTol()){
1735 +    zconsTol->setData(globals->getZconsTol());
1736 +  }
1737 +  else{
1738 +    double defaultZConsTol = 0.01;
1739 +    sprintf(painCave.errMsg,
1740 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1741 +            "\tOOPSE will use a default value of %f.\n"
1742 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1743 +            defaultZConsTol);
1744 +    painCave.isFatal = 0;
1745 +    simError();      
1746 +
1747 +    zconsTol->setData(defaultZConsTol);
1748 +  }
1749 +  theInfo.addProperty(zconsTol);
1750 +
1751 +  //set Force Subtraction Policy
1752 +  StringData* zconsForcePolicy = new StringData();
1753 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1754 +
1755 +  if (globals->haveZconsForcePolicy()){
1756 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1757 +  }
1758 +  else{
1759 +    sprintf(painCave.errMsg,
1760 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1761 +            "\tOOPSE will use PolicyByMass.\n"
1762 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1763 +    painCave.isFatal = 0;
1764 +    simError();
1765 +    zconsForcePolicy->setData("BYMASS");
1766 +  }
1767 +
1768 +  theInfo.addProperty(zconsForcePolicy);
1769 +
1770 +  //set zcons gap
1771 +  DoubleData* zconsGap = new DoubleData();
1772 +  zconsGap->setID(ZCONSGAP_ID);
1773 +
1774 +  if (globals->haveZConsGap()){
1775 +    zconsGap->setData(globals->getZconsGap());
1776 +    theInfo.addProperty(zconsGap);  
1777 +  }
1778 +
1779 +  //set zcons fixtime
1780 +  DoubleData* zconsFixtime = new DoubleData();
1781 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
1782 +
1783 +  if (globals->haveZConsFixTime()){
1784 +    zconsFixtime->setData(globals->getZconsFixtime());
1785 +    theInfo.addProperty(zconsFixtime);  
1786 +  }
1787 +
1788 +  //set zconsUsingSMD
1789 +  IntData* zconsUsingSMD = new IntData();
1790 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
1791 +
1792 +  if (globals->haveZConsUsingSMD()){
1793 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
1794 +    theInfo.addProperty(zconsUsingSMD);  
1795 +  }
1796 +
1797 +  //Determine the name of ouput file and add it into SimInfo's property list
1798 +  //Be careful, do not use inFileName, since it is a pointer which
1799 +  //point to a string at master node, and slave nodes do not contain that string
1800 +
1801 +  string zconsOutput(theInfo.finalName);
1802 +
1803 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1804 +
1805 +  StringData* zconsFilename = new StringData();
1806 +  zconsFilename->setID(ZCONSFILENAME_ID);
1807 +  zconsFilename->setData(zconsOutput);
1808 +
1809 +  theInfo.addProperty(zconsFilename);
1810 +
1811 +  //setup index, pos and other parameters of z-constraint molecules
1812 +  nZConstraints = globals->getNzConstraints();
1813 +  theInfo.nZconstraints = nZConstraints;
1814 +
1815 +  zconStamp = globals->getZconStamp();
1816 +  ZConsParaItem tempParaItem;
1817 +
1818 +  ZConsParaData* zconsParaData = new ZConsParaData();
1819 +  zconsParaData->setID(ZCONSPARADATA_ID);
1820 +
1821 +  for (int i = 0; i < nZConstraints; i++){
1822 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1823 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1824 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1825 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1826 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
1827 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
1828 +    zconsParaData->addItem(tempParaItem);
1829 +  }
1830 +
1831 +  //check the uniqueness of index  
1832 +  if(!zconsParaData->isIndexUnique()){
1833 +    sprintf(painCave.errMsg,
1834 +            "ZConstraint Error: molIndex is not unique!\n");
1835 +    painCave.isFatal = 1;
1836 +    simError();
1837 +  }
1838 +
1839 +  //sort the parameters by index of molecules
1840 +  zconsParaData->sortByIndex();
1841 +  
1842 +  //push data into siminfo, therefore, we can retrieve later
1843 +  theInfo.addProperty(zconsParaData);
1844 + }
1845 +
1846 + void SimSetup::makeMinimizer(){
1847 +
1848 +  OOPSEMinimizer* myOOPSEMinimizer;
1849 +  MinimizerParameterSet* param;
1850 +  char minimizerName[100];
1851 +  
1852 +  for (int i = 0; i < nInfo; i++){
1853 +    
1854 +    //prepare parameter set for minimizer
1855 +    param = new MinimizerParameterSet();
1856 +    param->setDefaultParameter();
1857 +
1858 +    if (globals->haveMinimizer()){
1859 +      param->setFTol(globals->getMinFTol());
1860 +    }
1861 +
1862 +    if (globals->haveMinGTol()){
1863 +      param->setGTol(globals->getMinGTol());
1864 +    }
1865 +
1866 +    if (globals->haveMinMaxIter()){
1867 +      param->setMaxIteration(globals->getMinMaxIter());
1868 +    }
1869 +
1870 +    if (globals->haveMinWriteFrq()){
1871 +      param->setMaxIteration(globals->getMinMaxIter());
1872 +    }
1873 +
1874 +    if (globals->haveMinWriteFrq()){
1875 +      param->setWriteFrq(globals->getMinWriteFrq());
1876 +    }
1877 +    
1878 +    if (globals->haveMinStepSize()){
1879 +      param->setStepSize(globals->getMinStepSize());
1880 +    }
1881 +
1882 +    if (globals->haveMinLSMaxIter()){
1883 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1884 +    }    
1885 +
1886 +    if (globals->haveMinLSTol()){
1887 +      param->setLineSearchTol(globals->getMinLSTol());
1888 +    }    
1889 +
1890 +    strcpy(minimizerName, globals->getMinimizer());
1891 +
1892 +    if (!strcasecmp(minimizerName, "CG")){
1893 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1894 +    }
1895 +    else if (!strcasecmp(minimizerName, "SD")){
1896 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1897 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1898 +    }
1899 +    else{
1900 +          sprintf(painCave.errMsg,
1901 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
1902 +          painCave.isFatal = 0;
1903 +          simError();
1904 +
1905 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
1906 +    }
1907 +     info[i].the_integrator = myOOPSEMinimizer;
1908 +
1909 +     //store the minimizer into simInfo
1910 +     info[i].the_minimizer = myOOPSEMinimizer;
1911 +     info[i].has_minimizer = true;
1912 +  }
1913 +
1914 + }

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