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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 605 by gezelter, Tue Jul 15 03:27:24 2003 UTC vs.
Revision 787 by mmeineke, Thu Sep 25 19:27:15 2003 UTC

# Line 1 | Line 1
1 + #include <algorithm>
2   #include <cstdlib>
3   #include <iostream>
4   #include <cmath>
5 + #include <string>
6 + #include <sprng.h>
7  
8   #include "SimSetup.hpp"
9 + #include "ReadWrite.hpp"
10   #include "parse_me.h"
11   #include "Integrator.hpp"
12   #include "simError.h"
# Line 14 | Line 18
18  
19   // some defines for ensemble and Forcefield  cases
20  
21 < #define NVE_ENS   0
22 < #define NVT_ENS   1
23 < #define NPTi_ENS  2
24 < #define NPTf_ENS  3
21 < #define NPTim_ENS 4
22 < #define NPTfm_ENS 5
21 > #define NVE_ENS        0
22 > #define NVT_ENS        1
23 > #define NPTi_ENS       2
24 > #define NPTf_ENS       3
25  
24
26   #define FF_DUFF 0
27   #define FF_LJ   1
28 + #define FF_EAM  2
29  
30 + using namespace std;
31  
32   SimSetup::SimSetup(){
33 +  isInfoArray = 0;
34 +  nInfo = 1;
35 +
36    stamps = new MakeStamps();
37    globals = new Globals();
38 <  
38 >
39 >
40   #ifdef IS_MPI
41 <  strcpy( checkPointMsg, "SimSetup creation successful" );
41 >  strcpy(checkPointMsg, "SimSetup creation successful");
42    MPIcheckPoint();
43   #endif // IS_MPI
44   }
# Line 41 | Line 48 | void SimSetup::parseFile( char* fileName ){
48    delete globals;
49   }
50  
51 < void SimSetup::parseFile( char* fileName ){
51 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
52 >  info = the_info;
53 >  nInfo = theNinfo;
54 >  isInfoArray = 1;
55 > }
56  
57 +
58 + void SimSetup::parseFile(char* fileName){
59   #ifdef IS_MPI
60 <  if( worldRank == 0 ){
60 >  if (worldRank == 0){
61   #endif // is_mpi
62 <    
62 >
63      inFileName = fileName;
64 <    set_interface_stamps( stamps, globals );
65 <    
64 >    set_interface_stamps(stamps, globals);
65 >
66   #ifdef IS_MPI
67      mpiEventInit();
68   #endif
69  
70 <    yacc_BASS( fileName );
70 >    yacc_BASS(fileName);
71  
72   #ifdef IS_MPI
73      throwMPIEvent(NULL);
74    }
75 <  else receiveParse();
75 >  else{
76 >    receiveParse();
77 >  }
78   #endif
79  
80   }
81  
82   #ifdef IS_MPI
83   void SimSetup::receiveParse(void){
84 <
85 <    set_interface_stamps( stamps, globals );
86 <    mpiEventInit();
87 <    MPIcheckPoint();
73 <    mpiEventLoop();
74 <
84 >  set_interface_stamps(stamps, globals);
85 >  mpiEventInit();
86 >  MPIcheckPoint();
87 >  mpiEventLoop();
88   }
89  
90   #endif // is_mpi
91  
92 < void SimSetup::createSim( void ){
92 > void SimSetup::createSim(void){
93  
94 <  MakeStamps *the_stamps;
82 <  Globals* the_globals;
83 <  int i, j, k, globalAtomIndex;
84 <  
85 <  int ensembleCase;
86 <  int ffCase;
87 <  
88 <  ensembleCase = -1;
89 <  ffCase = -1;
94 >  // gather all of the information from the Bass file
95  
96 <  // get the stamps and globals;
92 <  the_stamps = stamps;
93 <  the_globals = globals;
96 >  gatherInfo();
97  
98 <  // set the easy ones first
96 <  simnfo->target_temp = the_globals->getTargetTemp();
97 <  simnfo->dt = the_globals->getDt();
98 <  simnfo->run_time = the_globals->getRunTime();
98 >  // creation of complex system objects
99  
100 <  // get the ones we know are there, yet still may need some work.
101 <  n_components = the_globals->getNComponents();
102 <  strcpy( force_field, the_globals->getForceField() );
100 >  sysObjectsCreation();
101  
102 <  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
105 <  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
106 <  else{
107 <    sprintf( painCave.errMsg,
108 <             "SimSetup Error. Unrecognized force field -> %s\n",
109 <             force_field );
110 <    painCave.isFatal = 1;
111 <    simError();
112 <  }
102 >  // check on the post processing info
103  
104 <  // get the ensemble:
115 <  strcpy( ensemble, the_globals->getEnsemble() );
104 >  finalInfoCheck();
105  
106 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
107 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
108 <  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
109 <    ensembleCase = NPTi_ENS;
121 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
122 <  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
123 <  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
124 <  else{
125 <    sprintf( painCave.errMsg,
126 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
127 <             "reverting to NVE for this simulation.\n",
128 <             ensemble );
129 <    painCave.isFatal = 0;
130 <    simError();
131 <    strcpy( ensemble, "NVE" );
132 <    ensembleCase = NVE_ENS;
106 >  // initialize the system coordinates
107 >
108 >  if (!isInfoArray){
109 >    initSystemCoords();
110    }  
134  strcpy( simnfo->ensemble, ensemble );
111  
112 +  // make the output filenames
113  
114 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
138 < //     the_extendedsystem = new ExtendedSystem( simnfo );
139 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
140 < //     if (the_globals->haveTargetPressure())
141 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
142 < //     else {
143 < //       sprintf( painCave.errMsg,
144 < //                "SimSetup error: If you use the constant pressure\n"
145 < //                "    ensemble, you must set targetPressure.\n"
146 < //                "    This was found in the BASS file.\n");
147 < //       painCave.isFatal = 1;
148 < //       simError();
149 < //     }
114 >  makeOutNames();
115  
116 < //     if (the_globals->haveTauThermostat())
152 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
153 < //     else if (the_globals->haveQmass())
154 < //       the_extendedsystem->setQmass(the_globals->getQmass());
155 < //     else {
156 < //       sprintf( painCave.errMsg,
157 < //                "SimSetup error: If you use one of the constant temperature\n"
158 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
159 < //                "    Neither of these was found in the BASS file.\n");
160 < //       painCave.isFatal = 1;
161 < //       simError();
162 < //     }
116 >  // make the integrator
117  
118 < //     if (the_globals->haveTauBarostat())
165 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
166 < //     else {
167 < //       sprintf( painCave.errMsg,
168 < //                "SimSetup error: If you use the constant pressure\n"
169 < //                "    ensemble, you must set tauBarostat.\n"
170 < //                "    This was found in the BASS file.\n");
171 < //       painCave.isFatal = 1;
172 < //       simError();
173 < //     }
118 >  makeIntegrator();
119  
120 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
121 < //     the_extendedsystem = new ExtendedSystem( simnfo );
122 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
120 > #ifdef IS_MPI
121 >  mpiSim->mpiRefresh();
122 > #endif
123  
124 < //     if (the_globals->haveTauThermostat())
180 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
181 < //     else if (the_globals->haveQmass())
182 < //       the_extendedsystem->setQmass(the_globals->getQmass());
183 < //     else {
184 < //       sprintf( painCave.errMsg,
185 < //                "SimSetup error: If you use one of the constant temperature\n"
186 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
187 < //                "    Neither of these was found in the BASS file.\n");
188 < //       painCave.isFatal = 1;
189 < //       simError();
190 < //     }
124 >  // initialize the Fortran
125  
126 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
127 <  simnfo->usePBC = the_globals->getPBC();
194 <          
195 <  int usesDipoles = 0;
196 <  switch( ffCase ){
126 >  initFortran();
127 > }
128  
198  case FF_DUFF:
199    the_ff = new DUFF();
200    usesDipoles = 1;
201    break;
129  
130 <  case FF_LJ:
131 <    the_ff = new LJFF();
132 <    break;
130 > void SimSetup::makeMolecules(void){
131 >  int k;
132 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
133 >  molInit molInfo;
134 >  DirectionalAtom* dAtom;
135 >  LinkedAssign* extras;
136 >  LinkedAssign* current_extra;
137 >  AtomStamp* currentAtom;
138 >  BondStamp* currentBond;
139 >  BendStamp* currentBend;
140 >  TorsionStamp* currentTorsion;
141  
142 <  default:
143 <    sprintf( painCave.errMsg,
144 <             "SimSetup Error. Unrecognized force field in case statement.\n");
210 <    painCave.isFatal = 1;
211 <    simError();
212 <  }
142 >  bond_pair* theBonds;
143 >  bend_set* theBends;
144 >  torsion_set* theTorsions;
145  
214 #ifdef IS_MPI
215  strcpy( checkPointMsg, "ForceField creation successful" );
216  MPIcheckPoint();
217 #endif // is_mpi
146  
147 <  // get the components and calculate the tot_nMol and indvidual n_mol
220 <  the_components = the_globals->getComponents();
221 <  components_nmol = new int[n_components];
222 <  comp_stamps = new MoleculeStamp*[n_components];
147 >  //init the forceField paramters
148  
149 <  if( !the_globals->haveNMol() ){
225 <    // we don't have the total number of molecules, so we assume it is
226 <    // given in each component
149 >  the_ff->readParams();
150  
228    tot_nmol = 0;
229    for( i=0; i<n_components; i++ ){
151  
152 <      if( !the_components[i]->haveNMol() ){
232 <        // we have a problem
233 <        sprintf( painCave.errMsg,
234 <                 "SimSetup Error. No global NMol or component NMol"
235 <                 " given. Cannot calculate the number of atoms.\n" );
236 <        painCave.isFatal = 1;
237 <        simError();
238 <      }
152 >  // init the atoms
153  
154 <      tot_nmol += the_components[i]->getNMol();
241 <      components_nmol[i] = the_components[i]->getNMol();
242 <    }
243 <  }
244 <  else{
245 <    sprintf( painCave.errMsg,
246 <             "SimSetup error.\n"
247 <             "\tSorry, the ability to specify total"
248 <             " nMols and then give molfractions in the components\n"
249 <             "\tis not currently supported."
250 <             " Please give nMol in the components.\n" );
251 <    painCave.isFatal = 1;
252 <    simError();
253 <    
254 <    
255 <    //     tot_nmol = the_globals->getNMol();
256 <    
257 <    //   //we have the total number of molecules, now we check for molfractions
258 <    //     for( i=0; i<n_components; i++ ){
259 <    
260 <    //       if( !the_components[i]->haveMolFraction() ){
261 <    
262 <    //  if( !the_components[i]->haveNMol() ){
263 <    //    //we have a problem
264 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
265 <    //              << " nMol was given in component
266 <    
267 <  }
154 >  double ux, uy, uz, u, uSqr;
155  
156 < #ifdef IS_MPI
157 <  strcpy( checkPointMsg, "Have the number of components" );
271 <  MPIcheckPoint();
272 < #endif // is_mpi
156 >  for (k = 0; k < nInfo; k++){
157 >    the_ff->setSimInfo(&(info[k]));
158  
159 <  // make an array of molecule stamps that match the components used.
160 <  // also extract the used stamps out into a separate linked list
159 >    atomOffset = 0;
160 >    excludeOffset = 0;
161 >    for (i = 0; i < info[k].n_mol; i++){
162 >      stampID = info[k].molecules[i].getStampID();
163  
164 <  simnfo->nComponents = n_components;
165 <  simnfo->componentsNmol = components_nmol;
166 <  simnfo->compStamps = comp_stamps;
167 <  simnfo->headStamp = new LinkedMolStamp();
168 <  
282 <  char* id;
283 <  LinkedMolStamp* headStamp = simnfo->headStamp;
284 <  LinkedMolStamp* currentStamp = NULL;
285 <  for( i=0; i<n_components; i++ ){
164 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
165 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
166 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
167 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
168 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
169  
170 <    id = the_components[i]->getType();
171 <    comp_stamps[i] = NULL;
172 <    
173 <    // check to make sure the component isn't already in the list
170 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
171 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
172 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
173 >      molInfo.myBends = new Bend * [molInfo.nBends];
174 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
175  
176 <    comp_stamps[i] = headStamp->match( id );
177 <    if( comp_stamps[i] == NULL ){
178 <      
295 <      // extract the component from the list;
296 <      
297 <      currentStamp = the_stamps->extractMolStamp( id );
298 <      if( currentStamp == NULL ){
299 <        sprintf( painCave.errMsg,
300 <                 "SimSetup error: Component \"%s\" was not found in the "
301 <                 "list of declared molecules\n",
302 <                 id );
303 <        painCave.isFatal = 1;
304 <        simError();
305 <      }
306 <      
307 <      headStamp->add( currentStamp );
308 <      comp_stamps[i] = headStamp->match( id );
309 <    }
310 <  }
176 >      theBonds = new bond_pair[molInfo.nBonds];
177 >      theBends = new bend_set[molInfo.nBends];
178 >      theTorsions = new torsion_set[molInfo.nTorsions];
179  
180 < #ifdef IS_MPI
313 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
314 <  MPIcheckPoint();
315 < #endif // is_mpi
316 <  
180 >      // make the Atoms
181  
182 +      for (j = 0; j < molInfo.nAtoms; j++){
183 +        currentAtom = comp_stamps[stampID]->getAtom(j);
184 +        if (currentAtom->haveOrientation()){
185 +          dAtom = new DirectionalAtom((j + atomOffset),
186 +                                      info[k].getConfiguration());
187 +          info[k].n_oriented++;
188 +          molInfo.myAtoms[j] = dAtom;
189  
190 +          ux = currentAtom->getOrntX();
191 +          uy = currentAtom->getOrntY();
192 +          uz = currentAtom->getOrntZ();
193  
194 <  // caclulate the number of atoms, bonds, bends and torsions
194 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
195  
196 <  tot_atoms = 0;
197 <  tot_bonds = 0;
198 <  tot_bends = 0;
199 <  tot_torsions = 0;
326 <  for( i=0; i<n_components; i++ ){
327 <    
328 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
329 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
330 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
331 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
332 <  }
196 >          u = sqrt(uSqr);
197 >          ux = ux / u;
198 >          uy = uy / u;
199 >          uz = uz / u;
200  
201 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
201 >          dAtom->setSUx(ux);
202 >          dAtom->setSUy(uy);
203 >          dAtom->setSUz(uz);
204 >        }
205 >        else{
206 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
207 >                                               info[k].getConfiguration());
208 >        }
209 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
210  
336  simnfo->n_atoms = tot_atoms;
337  simnfo->n_bonds = tot_bonds;
338  simnfo->n_bends = tot_bends;
339  simnfo->n_torsions = tot_torsions;
340  simnfo->n_SRI = tot_SRI;
341  simnfo->n_mol = tot_nmol;
342  
343  simnfo->molMembershipArray = new int[tot_atoms];
344
211   #ifdef IS_MPI
212  
213 <  // divide the molecules among processors here.
348 <  
349 <  mpiSim = new mpiSimulation( simnfo );
350 <  
351 <  globalIndex = mpiSim->divideLabor();
213 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
214  
215 <  // set up the local variables
216 <  
355 <  int localMol, allMol;
356 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
215 > #endif // is_mpi
216 >      }
217  
218 <  int* mol2proc = mpiSim->getMolToProcMap();
219 <  int* molCompType = mpiSim->getMolComponentType();
220 <  
221 <  allMol = 0;
222 <  localMol = 0;
363 <  local_atoms = 0;
364 <  local_bonds = 0;
365 <  local_bends = 0;
366 <  local_torsions = 0;
367 <  globalAtomIndex = 0;
218 >      // make the bonds
219 >      for (j = 0; j < molInfo.nBonds; j++){
220 >        currentBond = comp_stamps[stampID]->getBond(j);
221 >        theBonds[j].a = currentBond->getA() + atomOffset;
222 >        theBonds[j].b = currentBond->getB() + atomOffset;
223  
224 +        exI = theBonds[j].a;
225 +        exJ = theBonds[j].b;
226  
227 <  for( i=0; i<n_components; i++ ){
227 >        // exclude_I must always be the smaller of the pair
228 >        if (exI > exJ){
229 >          tempEx = exI;
230 >          exI = exJ;
231 >          exJ = tempEx;
232 >        }
233 > #ifdef IS_MPI
234 >        tempEx = exI;
235 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
236 >        tempEx = exJ;
237 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
238  
239 <    for( j=0; j<components_nmol[i]; j++ ){
240 <      
241 <      if( mol2proc[allMol] == worldRank ){
242 <        
243 <        local_atoms +=    comp_stamps[i]->getNAtoms();
377 <        local_bonds +=    comp_stamps[i]->getNBonds();
378 <        local_bends +=    comp_stamps[i]->getNBends();
379 <        local_torsions += comp_stamps[i]->getNTorsions();
380 <        localMol++;
381 <      }      
382 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
383 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
384 <        globalAtomIndex++;
239 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
240 > #else  // isn't MPI
241 >
242 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
243 > #endif  //is_mpi
244        }
245 +      excludeOffset += molInfo.nBonds;
246  
247 <      allMol++;      
248 <    }
249 <  }
250 <  local_SRI = local_bonds + local_bends + local_torsions;
251 <  
252 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
393 <  
394 <  if( local_atoms != simnfo->n_atoms ){
395 <    sprintf( painCave.errMsg,
396 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
397 <             " localAtom (%d) are not equal.\n",
398 <             simnfo->n_atoms,
399 <             local_atoms );
400 <    painCave.isFatal = 1;
401 <    simError();
402 <  }
247 >      //make the bends
248 >      for (j = 0; j < molInfo.nBends; j++){
249 >        currentBend = comp_stamps[stampID]->getBend(j);
250 >        theBends[j].a = currentBend->getA() + atomOffset;
251 >        theBends[j].b = currentBend->getB() + atomOffset;
252 >        theBends[j].c = currentBend->getC() + atomOffset;
253  
254 <  simnfo->n_bonds = local_bonds;
255 <  simnfo->n_bends = local_bends;
256 <  simnfo->n_torsions = local_torsions;
407 <  simnfo->n_SRI = local_SRI;
408 <  simnfo->n_mol = localMol;
254 >        if (currentBend->haveExtras()){
255 >          extras = currentBend->getExtras();
256 >          current_extra = extras;
257  
258 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
259 <  MPIcheckPoint();
260 <  
261 <  
262 < #endif // is_mpi
263 <  
258 >          while (current_extra != NULL){
259 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
260 >              switch (current_extra->getType()){
261 >                case 0:
262 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
263 >                  theBends[j].isGhost = 1;
264 >                  break;
265  
266 <  // create the atom and short range interaction arrays
266 >                case 1:
267 >                  theBends[j].ghost = (int) current_extra->getDouble() +
268 >                                      atomOffset;
269 >                  theBends[j].isGhost = 1;
270 >                  break;
271  
272 <  Atom::createArrays(simnfo->n_atoms);
273 <  the_atoms = new Atom*[simnfo->n_atoms];
274 <  the_molecules = new Molecule[simnfo->n_mol];
275 <  int molIndex;
272 >                default:
273 >                  sprintf(painCave.errMsg,
274 >                          "SimSetup Error: ghostVectorSource was neither a "
275 >                          "double nor an int.\n"
276 >                          "-->Bend[%d] in %s\n",
277 >                          j, comp_stamps[stampID]->getID());
278 >                  painCave.isFatal = 1;
279 >                  simError();
280 >              }
281 >            }
282 >            else{
283 >              sprintf(painCave.errMsg,
284 >                      "SimSetup Error: unhandled bend assignment:\n"
285 >                      "    -->%s in Bend[%d] in %s\n",
286 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
287 >              painCave.isFatal = 1;
288 >              simError();
289 >            }
290  
291 <  // initialize the molecule's stampID's
291 >            current_extra = current_extra->getNext();
292 >          }
293 >        }
294  
295 +        if (!theBends[j].isGhost){
296 +          exI = theBends[j].a;
297 +          exJ = theBends[j].c;
298 +        }
299 +        else{
300 +          exI = theBends[j].a;
301 +          exJ = theBends[j].b;
302 +        }
303 +
304 +        // exclude_I must always be the smaller of the pair
305 +        if (exI > exJ){
306 +          tempEx = exI;
307 +          exI = exJ;
308 +          exJ = tempEx;
309 +        }
310   #ifdef IS_MPI
311 <  
311 >        tempEx = exI;
312 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
313 >        tempEx = exJ;
314 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
315  
316 <  molIndex = 0;
317 <  for(i=0; i<mpiSim->getTotNmol(); i++){
318 <    
319 <    if(mol2proc[i] == worldRank ){
320 <      the_molecules[molIndex].setStampID( molCompType[i] );
321 <      the_molecules[molIndex].setMyIndex( molIndex );
435 <      the_molecules[molIndex].setGlobalIndex( i );
436 <      molIndex++;
437 <    }
438 <  }
316 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
317 > #else  // isn't MPI
318 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
319 > #endif  //is_mpi
320 >      }
321 >      excludeOffset += molInfo.nBends;
322  
323 < #else // is_mpi
324 <  
325 <  molIndex = 0;
326 <  globalAtomIndex = 0;
327 <  for(i=0; i<n_components; i++){
328 <    for(j=0; j<components_nmol[i]; j++ ){
446 <      the_molecules[molIndex].setStampID( i );
447 <      the_molecules[molIndex].setMyIndex( molIndex );
448 <      the_molecules[molIndex].setGlobalIndex( molIndex );
449 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
450 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
451 <        globalAtomIndex++;
452 <      }
453 <      molIndex++;
454 <    }
455 <  }
456 <    
323 >      for (j = 0; j < molInfo.nTorsions; j++){
324 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
325 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
326 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
327 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
328 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
329  
330 < #endif // is_mpi
330 >        exI = theTorsions[j].a;
331 >        exJ = theTorsions[j].d;
332  
333 +        // exclude_I must always be the smaller of the pair
334 +        if (exI > exJ){
335 +          tempEx = exI;
336 +          exI = exJ;
337 +          exJ = tempEx;
338 +        }
339 + #ifdef IS_MPI
340 +        tempEx = exI;
341 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
342 +        tempEx = exJ;
343 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
344  
345 <  if( simnfo->n_SRI ){
346 <    
347 <    Exclude::createArray(simnfo->n_SRI);
348 <    the_excludes = new Exclude*[simnfo->n_SRI];
349 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
350 <    simnfo->globalExcludes = new int;
467 <    simnfo->n_exclude = simnfo->n_SRI;
468 <  }
469 <  else{
470 <    
471 <    Exclude::createArray( 1 );
472 <    the_excludes = new Exclude*;
473 <    the_excludes[0] = new Exclude(0);
474 <    the_excludes[0]->setPair( 0,0 );
475 <    simnfo->globalExcludes = new int;
476 <    simnfo->globalExcludes[0] = 0;
477 <    simnfo->n_exclude = 0;
478 <  }
345 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
346 > #else  // isn't MPI
347 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
348 > #endif  //is_mpi
349 >      }
350 >      excludeOffset += molInfo.nTorsions;
351  
480  // set the arrays into the SimInfo object
352  
353 <  simnfo->atoms = the_atoms;
483 <  simnfo->molecules = the_molecules;
484 <  simnfo->nGlobalExcludes = 0;
485 <  simnfo->excludes = the_excludes;
353 >      // send the arrays off to the forceField for init.
354  
355 +      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
356 +      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
357 +      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
358 +      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
359 +                                 theTorsions);
360  
488  // get some of the tricky things that may still be in the globals
361  
362 <  double boxVector[3];
491 <  if( the_globals->haveBox() ){
492 <    boxVector[0] = the_globals->getBox();
493 <    boxVector[1] = the_globals->getBox();
494 <    boxVector[2] = the_globals->getBox();
495 <    
496 <    simnfo->setBox( boxVector );
497 <  }
498 <  else if( the_globals->haveDensity() ){
362 >      info[k].molecules[i].initialize(molInfo);
363  
500    double vol;
501    vol = (double)tot_nmol / the_globals->getDensity();
502     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
503     boxVector[1] = boxVector[0];
504     boxVector[2] = boxVector[0];
364  
365 <    simnfo->setBox( boxVector );
366 <  }
367 <  else{
368 <    if( !the_globals->haveBoxX() ){
510 <      sprintf( painCave.errMsg,
511 <               "SimSetup error, no periodic BoxX size given.\n" );
512 <      painCave.isFatal = 1;
513 <      simError();
365 >      atomOffset += molInfo.nAtoms;
366 >      delete[] theBonds;
367 >      delete[] theBends;
368 >      delete[] theTorsions;
369      }
515    boxVector[0] = the_globals->getBoxX();
516
517    if( !the_globals->haveBoxY() ){
518      sprintf( painCave.errMsg,
519               "SimSetup error, no periodic BoxY size given.\n" );
520      painCave.isFatal = 1;
521      simError();
522    }
523    boxVector[1] = the_globals->getBoxY();
524
525    if( !the_globals->haveBoxZ() ){
526      sprintf( painCave.errMsg,
527               "SimSetup error, no periodic BoxZ size given.\n" );
528      painCave.isFatal = 1;
529      simError();
530    }
531    boxVector[2] = the_globals->getBoxZ();
532
533    simnfo->setBox( boxVector );
370    }
371  
372   #ifdef IS_MPI
373 <  strcpy( checkPointMsg, "Box size set up" );
373 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
374    MPIcheckPoint();
375   #endif // is_mpi
376  
377 +  // clean up the forcefield
378  
379 <  // initialize the arrays
379 >  the_ff->calcRcut();
380 >  the_ff->cleanMe();
381 > }
382  
383 <  the_ff->setSimInfo( simnfo );
383 > void SimSetup::initFromBass(void){
384 >  int i, j, k;
385 >  int n_cells;
386 >  double cellx, celly, cellz;
387 >  double temp1, temp2, temp3;
388 >  int n_per_extra;
389 >  int n_extra;
390 >  int have_extra, done;
391  
392 <  makeMolecules();
393 <  simnfo->identArray = new int[simnfo->n_atoms];
394 <  for(i=0; i<simnfo->n_atoms; i++){
395 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
550 <  }
551 <  
552 <  if (the_globals->getUseRF() ) {
553 <    simnfo->useReactionField = 1;
554 <  
555 <    if( !the_globals->haveECR() ){
556 <      sprintf( painCave.errMsg,
557 <               "SimSetup Warning: using default value of 1/2 the smallest "
558 <               "box length for the electrostaticCutoffRadius.\n"
559 <               "I hope you have a very fast processor!\n");
560 <      painCave.isFatal = 0;
561 <      simError();
562 <      double smallest;
563 <      smallest = simnfo->boxLx;
564 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
565 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
566 <      simnfo->ecr = 0.5 * smallest;
567 <    } else {
568 <      simnfo->ecr        = the_globals->getECR();
569 <    }
392 >  double vel[3];
393 >  vel[0] = 0.0;
394 >  vel[1] = 0.0;
395 >  vel[2] = 0.0;
396  
397 <    if( !the_globals->haveEST() ){
398 <      sprintf( painCave.errMsg,
399 <               "SimSetup Warning: using default value of 0.05 * the "
400 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
401 <               );
402 <      painCave.isFatal = 0;
403 <      simError();
404 <      simnfo->est = 0.05 * simnfo->ecr;
405 <    } else {
406 <      simnfo->est        = the_globals->getEST();
407 <    }
408 <    
409 <    if(!the_globals->haveDielectric() ){
410 <      sprintf( painCave.errMsg,
411 <               "SimSetup Error: You are trying to use Reaction Field without"
412 <               "setting a dielectric constant!\n"
413 <               );
397 >  temp1 = (double) tot_nmol / 4.0;
398 >  temp2 = pow(temp1, (1.0 / 3.0));
399 >  temp3 = ceil(temp2);
400 >
401 >  have_extra = 0;
402 >  if (temp2 < temp3){
403 >    // we have a non-complete lattice
404 >    have_extra = 1;
405 >
406 >    n_cells = (int) temp3 - 1;
407 >    cellx = info[0].boxL[0] / temp3;
408 >    celly = info[0].boxL[1] / temp3;
409 >    cellz = info[0].boxL[2] / temp3;
410 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
411 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
412 >    n_per_extra = (int) ceil(temp1);
413 >
414 >    if (n_per_extra > 4){
415 >      sprintf(painCave.errMsg,
416 >              "SimSetup error. There has been an error in constructing"
417 >              " the non-complete lattice.\n");
418        painCave.isFatal = 1;
419        simError();
420      }
421 <    simnfo->dielectric = the_globals->getDielectric();  
422 <  } else {
423 <    if (usesDipoles) {
424 <      
425 <      if( !the_globals->haveECR() ){
426 <        sprintf( painCave.errMsg,
427 <                 "SimSetup Warning: using default value of 1/2 the smallest "
428 <                 "box length for the electrostaticCutoffRadius.\n"
429 <                 "I hope you have a very fast processor!\n");
430 <        painCave.isFatal = 0;
431 <        simError();
432 <        double smallest;
433 <        smallest = simnfo->boxLx;
434 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
435 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
436 <        simnfo->ecr = 0.5 * smallest;
437 <      } else {
438 <        simnfo->ecr        = the_globals->getECR();
421 >  }
422 >  else{
423 >    n_cells = (int) temp3;
424 >    cellx = info[0].boxL[0] / temp3;
425 >    celly = info[0].boxL[1] / temp3;
426 >    cellz = info[0].boxL[2] / temp3;
427 >  }
428 >
429 >  current_mol = 0;
430 >  current_comp_mol = 0;
431 >  current_comp = 0;
432 >  current_atom_ndx = 0;
433 >
434 >  for (i = 0; i < n_cells ; i++){
435 >    for (j = 0; j < n_cells; j++){
436 >      for (k = 0; k < n_cells; k++){
437 >        makeElement(i * cellx, j * celly, k * cellz);
438 >
439 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
440 >
441 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
442 >
443 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
444        }
610      
611      if( !the_globals->haveEST() ){
612        sprintf( painCave.errMsg,
613                 "SimSetup Warning: using default value of 5%% of the "
614                 "electrostaticCutoffRadius for the "
615                 "electrostaticSkinThickness\n"
616                 );
617        painCave.isFatal = 0;
618        simError();
619        simnfo->est = 0.05 * simnfo->ecr;
620      } else {
621        simnfo->est        = the_globals->getEST();
622      }
445      }
446 <  }  
446 >  }
447  
448 < #ifdef IS_MPI
449 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
628 <  MPIcheckPoint();
629 < #endif // is_mpi
448 >  if (have_extra){
449 >    done = 0;
450  
451 < if( the_globals->haveInitialConfig() ){
452 <
453 <     InitializeFromFile* fileInit;
454 < #ifdef IS_MPI // is_mpi
455 <     if( worldRank == 0 ){
456 < #endif //is_mpi
457 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
458 < #ifdef IS_MPI
459 <     }else fileInit = new InitializeFromFile( NULL );
460 < #endif
461 <   fileInit->read_xyz( simnfo ); // default velocities on
451 >    int start_ndx;
452 >    for (i = 0; i < (n_cells + 1) && !done; i++){
453 >      for (j = 0; j < (n_cells + 1) && !done; j++){
454 >        if (i < n_cells){
455 >          if (j < n_cells){
456 >            start_ndx = n_cells;
457 >          }
458 >          else
459 >            start_ndx = 0;
460 >        }
461 >        else
462 >          start_ndx = 0;
463  
464 <   delete fileInit;
465 < }
466 < else{
464 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
465 >          makeElement(i * cellx, j * celly, k * cellz);
466 >          done = (current_mol >= tot_nmol);
467  
468 < #ifdef IS_MPI
468 >          if (!done && n_per_extra > 1){
469 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
470 >                        k * cellz);
471 >            done = (current_mol >= tot_nmol);
472 >          }
473  
474 <  // no init from bass
475 <  
476 <  sprintf( painCave.errMsg,
477 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
478 <  painCave.isFatal;
654 <  simError();
655 <  
656 < #else
474 >          if (!done && n_per_extra > 2){
475 >            makeElement(i * cellx, j * celly + 0.5 * celly,
476 >                        k * cellz + 0.5 * cellz);
477 >            done = (current_mol >= tot_nmol);
478 >          }
479  
480 <  initFromBass();
481 <
482 <
483 < #endif
484 < }
485 <
664 < #ifdef IS_MPI
665 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
666 <  MPIcheckPoint();
667 < #endif // is_mpi
668 <
669 <
670 <  
671 <
672 <  
673 <
674 <  
675 < #ifdef IS_MPI
676 <  if( worldRank == 0 ){
677 < #endif // is_mpi
678 <    
679 <    if( the_globals->haveFinalConfig() ){
680 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
681 <    }
682 <    else{
683 <      strcpy( simnfo->finalName, inFileName );
684 <      char* endTest;
685 <      int nameLength = strlen( simnfo->finalName );
686 <      endTest = &(simnfo->finalName[nameLength - 5]);
687 <      if( !strcmp( endTest, ".bass" ) ){
688 <        strcpy( endTest, ".eor" );
480 >          if (!done && n_per_extra > 3){
481 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
482 >                        k * cellz + 0.5 * cellz);
483 >            done = (current_mol >= tot_nmol);
484 >          }
485 >        }
486        }
690      else if( !strcmp( endTest, ".BASS" ) ){
691        strcpy( endTest, ".eor" );
692      }
693      else{
694        endTest = &(simnfo->finalName[nameLength - 4]);
695        if( !strcmp( endTest, ".bss" ) ){
696          strcpy( endTest, ".eor" );
697        }
698        else if( !strcmp( endTest, ".mdl" ) ){
699          strcpy( endTest, ".eor" );
700        }
701        else{
702          strcat( simnfo->finalName, ".eor" );
703        }
704      }
487      }
706    
707    // make the sample and status out names
708    
709    strcpy( simnfo->sampleName, inFileName );
710    char* endTest;
711    int nameLength = strlen( simnfo->sampleName );
712    endTest = &(simnfo->sampleName[nameLength - 5]);
713    if( !strcmp( endTest, ".bass" ) ){
714      strcpy( endTest, ".dump" );
715    }
716    else if( !strcmp( endTest, ".BASS" ) ){
717      strcpy( endTest, ".dump" );
718    }
719    else{
720      endTest = &(simnfo->sampleName[nameLength - 4]);
721      if( !strcmp( endTest, ".bss" ) ){
722        strcpy( endTest, ".dump" );
723      }
724      else if( !strcmp( endTest, ".mdl" ) ){
725        strcpy( endTest, ".dump" );
726      }
727      else{
728        strcat( simnfo->sampleName, ".dump" );
729      }
730    }
731    
732    strcpy( simnfo->statusName, inFileName );
733    nameLength = strlen( simnfo->statusName );
734    endTest = &(simnfo->statusName[nameLength - 5]);
735    if( !strcmp( endTest, ".bass" ) ){
736      strcpy( endTest, ".stat" );
737    }
738    else if( !strcmp( endTest, ".BASS" ) ){
739      strcpy( endTest, ".stat" );
740    }
741    else{
742      endTest = &(simnfo->statusName[nameLength - 4]);
743      if( !strcmp( endTest, ".bss" ) ){
744        strcpy( endTest, ".stat" );
745      }
746      else if( !strcmp( endTest, ".mdl" ) ){
747        strcpy( endTest, ".stat" );
748      }
749      else{
750        strcat( simnfo->statusName, ".stat" );
751      }
752    }
753    
754 #ifdef IS_MPI
488    }
756 #endif // is_mpi
757  
758  // set the status, sample, and themal kick times
759  
760  if( the_globals->haveSampleTime() ){
761    simnfo->sampleTime = the_globals->getSampleTime();
762    simnfo->statusTime = simnfo->sampleTime;
763    simnfo->thermalTime = simnfo->sampleTime;
764  }
765  else{
766    simnfo->sampleTime = the_globals->getRunTime();
767    simnfo->statusTime = simnfo->sampleTime;
768    simnfo->thermalTime = simnfo->sampleTime;
769  }
489  
490 <  if( the_globals->haveStatusTime() ){
491 <    simnfo->statusTime = the_globals->getStatusTime();
490 >  for (i = 0; i < info[0].n_atoms; i++){
491 >    info[0].atoms[i]->setVel(vel);
492    }
493 + }
494  
495 <  if( the_globals->haveThermalTime() ){
496 <    simnfo->thermalTime = the_globals->getThermalTime();
497 <  }
495 > void SimSetup::makeElement(double x, double y, double z){
496 >  int k;
497 >  AtomStamp* current_atom;
498 >  DirectionalAtom* dAtom;
499 >  double rotMat[3][3];
500 >  double pos[3];
501  
502 <  // check for the temperature set flag
502 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
503 >    current_atom = comp_stamps[current_comp]->getAtom(k);
504 >    if (!current_atom->havePosition()){
505 >      sprintf(painCave.errMsg,
506 >              "SimSetup:initFromBass error.\n"
507 >              "\tComponent %s, atom %s does not have a position specified.\n"
508 >              "\tThe initialization routine is unable to give a start"
509 >              " position.\n",
510 >              comp_stamps[current_comp]->getID(), current_atom->getType());
511 >      painCave.isFatal = 1;
512 >      simError();
513 >    }
514  
515 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
515 >    pos[0] = x + current_atom->getPosX();
516 >    pos[1] = y + current_atom->getPosY();
517 >    pos[2] = z + current_atom->getPosZ();
518  
519 +    info[0].atoms[current_atom_ndx]->setPos(pos);
520  
521 <  // make the integrator
522 <  
786 <  
787 <  NVT*  myNVT = NULL;
788 <  NPTi* myNPTi = NULL;
789 <  NPTf* myNPTf = NULL;
790 <  NPTim* myNPTim = NULL;
791 <  NPTfm* myNPTfm = NULL;
521 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
522 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
523  
524 <  switch( ensembleCase ){
524 >      rotMat[0][0] = 1.0;
525 >      rotMat[0][1] = 0.0;
526 >      rotMat[0][2] = 0.0;
527  
528 <  case NVE_ENS:
529 <    new NVE( simnfo, the_ff );
530 <    break;
528 >      rotMat[1][0] = 0.0;
529 >      rotMat[1][1] = 1.0;
530 >      rotMat[1][2] = 0.0;
531  
532 <  case NVT_ENS:
533 <    myNVT = new NVT( simnfo, the_ff );
534 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
532 >      rotMat[2][0] = 0.0;
533 >      rotMat[2][1] = 0.0;
534 >      rotMat[2][2] = 1.0;
535  
536 <    if (the_globals->haveTauThermostat())
537 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
536 >      dAtom->setA(rotMat);
537 >    }
538  
539 <    else {
540 <      sprintf( painCave.errMsg,
808 <               "SimSetup error: If you use the NVT\n"
809 <               "    ensemble, you must set tauThermostat.\n");
810 <      painCave.isFatal = 1;
811 <      simError();
812 <    }
813 <    break;
539 >    current_atom_ndx++;
540 >  }
541  
542 <  case NPTi_ENS:
543 <    myNPTi = new NPTi( simnfo, the_ff );
817 <    myNPTi->setTargetTemp( the_globals->getTargetTemp());
542 >  current_mol++;
543 >  current_comp_mol++;
544  
545 <    if (the_globals->haveTargetPressure())
546 <      myNPTi->setTargetPressure(the_globals->getTargetPressure());
547 <    else {
548 <      sprintf( painCave.errMsg,
549 <               "SimSetup error: If you use a constant pressure\n"
824 <               "    ensemble, you must set targetPressure in the BASS file.\n");
825 <      painCave.isFatal = 1;
826 <      simError();
827 <    }
828 <    
829 <    if( the_globals->haveTauThermostat() )
830 <      myNPTi->setTauThermostat( the_globals->getTauThermostat() );
831 <    else{
832 <      sprintf( painCave.errMsg,
833 <               "SimSetup error: If you use an NPT\n"
834 <               "    ensemble, you must set tauThermostat.\n");
835 <      painCave.isFatal = 1;
836 <      simError();
837 <    }
545 >  if (current_comp_mol >= components_nmol[current_comp]){
546 >    current_comp_mol = 0;
547 >    current_comp++;
548 >  }
549 > }
550  
839    if( the_globals->haveTauBarostat() )
840      myNPTi->setTauBarostat( the_globals->getTauBarostat() );
841    else{
842      sprintf( painCave.errMsg,
843               "SimSetup error: If you use an NPT\n"
844               "    ensemble, you must set tauBarostat.\n");
845      painCave.isFatal = 1;
846      simError();
847    }
848    break;
551  
552 <  case NPTf_ENS:
553 <    myNPTf = new NPTf( simnfo, the_ff );
852 <    myNPTf->setTargetTemp( the_globals->getTargetTemp());
552 > void SimSetup::gatherInfo(void){
553 >  int i;
554  
555 <    if (the_globals->haveTargetPressure())
556 <      myNPTf->setTargetPressure(the_globals->getTargetPressure());
856 <    else {
857 <      sprintf( painCave.errMsg,
858 <               "SimSetup error: If you use a constant pressure\n"
859 <               "    ensemble, you must set targetPressure in the BASS file.\n");
860 <      painCave.isFatal = 1;
861 <      simError();
862 <    }    
555 >  ensembleCase = -1;
556 >  ffCase = -1;
557  
558 <    if( the_globals->haveTauThermostat() )
865 <      myNPTf->setTauThermostat( the_globals->getTauThermostat() );
866 <    else{
867 <      sprintf( painCave.errMsg,
868 <               "SimSetup error: If you use an NPT\n"
869 <               "    ensemble, you must set tauThermostat.\n");
870 <      painCave.isFatal = 1;
871 <      simError();
872 <    }
558 >  // set the easy ones first
559  
560 <    if( the_globals->haveTauBarostat() )
561 <      myNPTf->setTauBarostat( the_globals->getTauBarostat() );
562 <    else{
563 <      sprintf( painCave.errMsg,
564 <               "SimSetup error: If you use an NPT\n"
565 <               "    ensemble, you must set tauBarostat.\n");
880 <      painCave.isFatal = 1;
881 <      simError();
882 <    }
883 <    break;
884 <    
885 <  case NPTim_ENS:
886 <    myNPTim = new NPTim( simnfo, the_ff );
887 <    myNPTim->setTargetTemp( the_globals->getTargetTemp());
560 >  for (i = 0; i < nInfo; i++){
561 >    info[i].target_temp = globals->getTargetTemp();
562 >    info[i].dt = globals->getDt();
563 >    info[i].run_time = globals->getRunTime();
564 >  }
565 >  n_components = globals->getNComponents();
566  
889    if (the_globals->haveTargetPressure())
890      myNPTim->setTargetPressure(the_globals->getTargetPressure());
891    else {
892      sprintf( painCave.errMsg,
893               "SimSetup error: If you use a constant pressure\n"
894               "    ensemble, you must set targetPressure in the BASS file.\n");
895      painCave.isFatal = 1;
896      simError();
897    }
898    
899    if( the_globals->haveTauThermostat() )
900      myNPTim->setTauThermostat( the_globals->getTauThermostat() );
901    else{
902      sprintf( painCave.errMsg,
903               "SimSetup error: If you use an NPT\n"
904               "    ensemble, you must set tauThermostat.\n");
905      painCave.isFatal = 1;
906      simError();
907    }
567  
568 <    if( the_globals->haveTauBarostat() )
910 <      myNPTim->setTauBarostat( the_globals->getTauBarostat() );
911 <    else{
912 <      sprintf( painCave.errMsg,
913 <               "SimSetup error: If you use an NPT\n"
914 <               "    ensemble, you must set tauBarostat.\n");
915 <      painCave.isFatal = 1;
916 <      simError();
917 <    }
918 <    break;
568 >  // get the forceField
569  
570 <  case NPTfm_ENS:
921 <    myNPTfm = new NPTfm( simnfo, the_ff );
922 <    myNPTfm->setTargetTemp( the_globals->getTargetTemp());
570 >  strcpy(force_field, globals->getForceField());
571  
572 <    if (the_globals->haveTargetPressure())
573 <      myNPTfm->setTargetPressure(the_globals->getTargetPressure());
574 <    else {
575 <      sprintf( painCave.errMsg,
576 <               "SimSetup error: If you use a constant pressure\n"
577 <               "    ensemble, you must set targetPressure in the BASS file.\n");
578 <      painCave.isFatal = 1;
579 <      simError();
580 <    }
581 <    
582 <    if( the_globals->haveTauThermostat() )
583 <      myNPTfm->setTauThermostat( the_globals->getTauThermostat() );
584 <    else{
585 <      sprintf( painCave.errMsg,
586 <               "SimSetup error: If you use an NPT\n"
939 <               "    ensemble, you must set tauThermostat.\n");
940 <      painCave.isFatal = 1;
941 <      simError();
942 <    }
572 >  if (!strcasecmp(force_field, "DUFF")){
573 >    ffCase = FF_DUFF;
574 >  }
575 >  else if (!strcasecmp(force_field, "LJ")){
576 >    ffCase = FF_LJ;
577 >  }
578 >  else if (!strcasecmp(force_field, "EAM")){
579 >    ffCase = FF_EAM;
580 >  }
581 >  else{
582 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
583 >            force_field);
584 >         painCave.isFatal = 1;
585 >         simError();
586 >  }
587  
588 <    if( the_globals->haveTauBarostat() )
945 <      myNPTfm->setTauBarostat( the_globals->getTauBarostat() );
946 <    else{
947 <      sprintf( painCave.errMsg,
948 <               "SimSetup error: If you use an NPT\n"
949 <               "    ensemble, you must set tauBarostat.\n");
950 <      painCave.isFatal = 1;
951 <      simError();
952 <    }
953 <    break;
588 >    // get the ensemble
589  
590 <  default:
591 <    sprintf( painCave.errMsg,
592 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
593 <    painCave.isFatal = 1;
959 <    simError();
590 >  strcpy(ensemble, globals->getEnsemble());
591 >
592 >  if (!strcasecmp(ensemble, "NVE")){
593 >    ensembleCase = NVE_ENS;
594    }
595 +  else if (!strcasecmp(ensemble, "NVT")){
596 +    ensembleCase = NVT_ENS;
597 +  }
598 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
599 +    ensembleCase = NPTi_ENS;
600 +  }
601 +  else if (!strcasecmp(ensemble, "NPTf")){
602 +    ensembleCase = NPTf_ENS;
603 +  }
604 +  else{
605 +    sprintf(painCave.errMsg,
606 +            "SimSetup Warning. Unrecognized Ensemble -> %s, "
607 +            "reverting to NVE for this simulation.\n",
608 +            ensemble);
609 +         painCave.isFatal = 0;
610 +         simError();
611 +         strcpy(ensemble, "NVE");
612 +         ensembleCase = NVE_ENS;
613 +  }  
614  
615 +  for (i = 0; i < nInfo; i++){
616 +    strcpy(info[i].ensemble, ensemble);
617  
618 < #ifdef IS_MPI
964 <  mpiSim->mpiRefresh();
965 < #endif
618 >    // get the mixing rule
619  
620 <  // initialize the Fortran
620 >    strcpy(info[i].mixingRule, globals->getMixingRule());
621 >    info[i].usePBC = globals->getPBC();
622 >  }
623  
624 +  // get the components and calculate the tot_nMol and indvidual n_mol
625  
626 <  simnfo->refreshSim();
627 <  
628 <  if( !strcmp( simnfo->mixingRule, "standard") ){
629 <    the_ff->initForceField( LB_MIXING_RULE );
626 >  the_components = globals->getComponents();
627 >  components_nmol = new int[n_components];
628 >
629 >
630 >  if (!globals->haveNMol()){
631 >    // we don't have the total number of molecules, so we assume it is
632 >    // given in each component
633 >
634 >    tot_nmol = 0;
635 >    for (i = 0; i < n_components; i++){
636 >      if (!the_components[i]->haveNMol()){
637 >        // we have a problem
638 >        sprintf(painCave.errMsg,
639 >                "SimSetup Error. No global NMol or component NMol"
640 >                " given. Cannot calculate the number of atoms.\n");
641 >        painCave.isFatal = 1;
642 >        simError();
643 >      }
644 >
645 >      tot_nmol += the_components[i]->getNMol();
646 >      components_nmol[i] = the_components[i]->getNMol();
647 >    }
648    }
975  else if( !strcmp( simnfo->mixingRule, "explicit") ){
976    the_ff->initForceField( EXPLICIT_MIXING_RULE );
977  }
649    else{
650 <    sprintf( painCave.errMsg,
651 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
652 <             simnfo->mixingRule );
650 >    sprintf(painCave.errMsg,
651 >            "SimSetup error.\n"
652 >            "\tSorry, the ability to specify total"
653 >            " nMols and then give molfractions in the components\n"
654 >            "\tis not currently supported."
655 >            " Please give nMol in the components.\n");
656      painCave.isFatal = 1;
657      simError();
658    }
659  
660 +  // set the status, sample, and thermal kick times
661  
662 < #ifdef IS_MPI
663 <  strcpy( checkPointMsg,
664 <          "Successfully intialized the mixingRule for Fortran." );
665 <  MPIcheckPoint();
666 < #endif // is_mpi
667 < }
662 >  for (i = 0; i < nInfo; i++){
663 >    if (globals->haveSampleTime()){
664 >      info[i].sampleTime = globals->getSampleTime();
665 >      info[i].statusTime = info[i].sampleTime;
666 >      info[i].thermalTime = info[i].sampleTime;
667 >    }
668 >    else{
669 >      info[i].sampleTime = globals->getRunTime();
670 >      info[i].statusTime = info[i].sampleTime;
671 >      info[i].thermalTime = info[i].sampleTime;
672 >    }
673  
674 +    if (globals->haveStatusTime()){
675 +      info[i].statusTime = globals->getStatusTime();
676 +    }
677  
678 < void SimSetup::makeMolecules( void ){
678 >    if (globals->haveThermalTime()){
679 >      info[i].thermalTime = globals->getThermalTime();
680 >    }
681  
682 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
683 <  molInit info;
684 <  DirectionalAtom* dAtom;
685 <  LinkedAssign* extras;
686 <  LinkedAssign* current_extra;
1002 <  AtomStamp* currentAtom;
1003 <  BondStamp* currentBond;
1004 <  BendStamp* currentBend;
1005 <  TorsionStamp* currentTorsion;
682 >    info[i].resetIntegrator = 0;
683 >    if( globals->haveResetTime() ){
684 >      info[i].resetTime = globals->getResetTime();
685 >      info[i].resetIntegrator = 1;
686 >    }
687  
688 <  bond_pair* theBonds;
1008 <  bend_set* theBends;
1009 <  torsion_set* theTorsions;
688 >    // check for the temperature set flag
689  
690 <  
691 <  //init the forceField paramters
690 >    if (globals->haveTempSet())
691 >      info[i].setTemp = globals->getTempSet();
692  
693 <  the_ff->readParams();
693 >    // get some of the tricky things that may still be in the globals
694  
695 <  
696 <  // init the atoms
695 >    double boxVector[3];
696 >    if (globals->haveBox()){
697 >      boxVector[0] = globals->getBox();
698 >      boxVector[1] = globals->getBox();
699 >      boxVector[2] = globals->getBox();
700  
701 <  double ux, uy, uz, u, uSqr;
702 <  
703 <  atomOffset = 0;
704 <  excludeOffset = 0;
705 <  for(i=0; i<simnfo->n_mol; i++){
706 <    
707 <    stampID = the_molecules[i].getStampID();
701 >      info[i].setBox(boxVector);
702 >    }
703 >    else if (globals->haveDensity()){
704 >      double vol;
705 >      vol = (double) tot_nmol / globals->getDensity();
706 >      boxVector[0] = pow(vol, (1.0 / 3.0));
707 >      boxVector[1] = boxVector[0];
708 >      boxVector[2] = boxVector[0];
709  
710 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
711 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
712 <    info.nBends    = comp_stamps[stampID]->getNBends();
713 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
714 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
710 >      info[i].setBox(boxVector);
711 >    }
712 >    else{
713 >      if (!globals->haveBoxX()){
714 >        sprintf(painCave.errMsg,
715 >                "SimSetup error, no periodic BoxX size given.\n");
716 >        painCave.isFatal = 1;
717 >        simError();
718 >      }
719 >      boxVector[0] = globals->getBoxX();
720  
721 <    info.myAtoms = &the_atoms[atomOffset];
722 <    info.myExcludes = &the_excludes[excludeOffset];
723 <    info.myBonds = new Bond*[info.nBonds];
724 <    info.myBends = new Bend*[info.nBends];
725 <    info.myTorsions = new Torsion*[info.nTorsions];
721 >      if (!globals->haveBoxY()){
722 >        sprintf(painCave.errMsg,
723 >                "SimSetup error, no periodic BoxY size given.\n");
724 >        painCave.isFatal = 1;
725 >        simError();
726 >      }
727 >      boxVector[1] = globals->getBoxY();
728  
729 <    theBonds = new bond_pair[info.nBonds];
730 <    theBends = new bend_set[info.nBends];
731 <    theTorsions = new torsion_set[info.nTorsions];
732 <    
733 <    // make the Atoms
1044 <    
1045 <    for(j=0; j<info.nAtoms; j++){
1046 <      
1047 <      currentAtom = comp_stamps[stampID]->getAtom( j );
1048 <      if( currentAtom->haveOrientation() ){
1049 <        
1050 <        dAtom = new DirectionalAtom(j + atomOffset);
1051 <        simnfo->n_oriented++;
1052 <        info.myAtoms[j] = dAtom;
1053 <        
1054 <        ux = currentAtom->getOrntX();
1055 <        uy = currentAtom->getOrntY();
1056 <        uz = currentAtom->getOrntZ();
1057 <        
1058 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
1059 <        
1060 <        u = sqrt( uSqr );
1061 <        ux = ux / u;
1062 <        uy = uy / u;
1063 <        uz = uz / u;
1064 <        
1065 <        dAtom->setSUx( ux );
1066 <        dAtom->setSUy( uy );
1067 <        dAtom->setSUz( uz );
729 >      if (!globals->haveBoxZ()){
730 >        sprintf(painCave.errMsg,
731 >                "SimSetup error, no periodic BoxZ size given.\n");
732 >        painCave.isFatal = 1;
733 >        simError();
734        }
735 <      else{
1070 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
1071 <      }
1072 <      info.myAtoms[j]->setType( currentAtom->getType() );
1073 <    
1074 < #ifdef IS_MPI
1075 <      
1076 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
1077 <      
1078 < #endif // is_mpi
1079 <    }
1080 <    
1081 <    // make the bonds
1082 <    for(j=0; j<info.nBonds; j++){
1083 <      
1084 <      currentBond = comp_stamps[stampID]->getBond( j );
1085 <      theBonds[j].a = currentBond->getA() + atomOffset;
1086 <      theBonds[j].b = currentBond->getB() + atomOffset;
735 >      boxVector[2] = globals->getBoxZ();
736  
737 <      exI = theBonds[j].a;
738 <      exJ = theBonds[j].b;
737 >      info[i].setBox(boxVector);
738 >    }
739 >  }
740  
741 <      // exclude_I must always be the smaller of the pair
742 <      if( exI > exJ ){
743 <        tempEx = exI;
744 <        exI = exJ;
745 <        exJ = tempEx;
741 >  //setup seed for random number generator
742 >  int seedValue;
743 >
744 >  if (globals->haveSeed()){
745 >    seedValue = globals->getSeed();
746 >
747 >    if(seedValue / 1E9 == 0){
748 >      sprintf(painCave.errMsg,
749 >              "Seed for sprng library should contain at least 9 digits\n"
750 >              "OOPSE will generate a seed for user\n");
751 >      painCave.isFatal = 0;
752 >      simError();
753 >
754 >      //using seed generated by system instead of invalid seed set by user
755 > #ifndef IS_MPI
756 >      seedValue = make_sprng_seed();
757 > #else
758 >      if (worldRank == 0){
759 >        seedValue = make_sprng_seed();
760        }
761 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
762 + #endif      
763 +    }
764 +  }//end of if branch of globals->haveSeed()
765 +  else{
766 +    
767 + #ifndef IS_MPI
768 +    seedValue = make_sprng_seed();
769 + #else
770 +    if (worldRank == 0){
771 +      seedValue = make_sprng_seed();
772 +    }
773 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
774 + #endif
775 +  }//end of globals->haveSeed()
776 +
777 +  for (int i = 0; i < nInfo; i++){
778 +    info[i].setSeed(seedValue);
779 +  }
780 +
781   #ifdef IS_MPI
782 <      tempEx = exI;
783 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
784 <      tempEx = exJ;
785 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1102 <      
1103 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1104 < #else  // isn't MPI
782 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
783 >  MPIcheckPoint();
784 > #endif // is_mpi
785 > }
786  
787 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
788 < #endif  //is_mpi
787 >
788 > void SimSetup::finalInfoCheck(void){
789 >  int index;
790 >  int usesDipoles;
791 >  int i;
792 >
793 >  for (i = 0; i < nInfo; i++){
794 >    // check electrostatic parameters
795 >
796 >    index = 0;
797 >    usesDipoles = 0;
798 >    while ((index < info[i].n_atoms) && !usesDipoles){
799 >      usesDipoles = (info[i].atoms[index])->hasDipole();
800 >      index++;
801      }
1109    excludeOffset += info.nBonds;
802  
803 <    //make the bends
804 <    for(j=0; j<info.nBends; j++){
805 <      
806 <      currentBend = comp_stamps[stampID]->getBend( j );
807 <      theBends[j].a = currentBend->getA() + atomOffset;
808 <      theBends[j].b = currentBend->getB() + atomOffset;
809 <      theBends[j].c = currentBend->getC() + atomOffset;
810 <          
811 <      if( currentBend->haveExtras() ){
812 <            
813 <        extras = currentBend->getExtras();
814 <        current_extra = extras;
815 <            
816 <        while( current_extra != NULL ){
817 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
818 <                
819 <            switch( current_extra->getType() ){
820 <              
821 <            case 0:
822 <              theBends[j].ghost =
823 <                current_extra->getInt() + atomOffset;
824 <              theBends[j].isGhost = 1;
825 <              break;
826 <                  
1135 <            case 1:
1136 <              theBends[j].ghost =
1137 <                (int)current_extra->getDouble() + atomOffset;
1138 <              theBends[j].isGhost = 1;
1139 <              break;
1140 <              
1141 <            default:
1142 <              sprintf( painCave.errMsg,
1143 <                       "SimSetup Error: ghostVectorSource was neither a "
1144 <                       "double nor an int.\n"
1145 <                       "-->Bend[%d] in %s\n",
1146 <                       j, comp_stamps[stampID]->getID() );
1147 <              painCave.isFatal = 1;
1148 <              simError();
1149 <            }
1150 <          }
1151 <          
1152 <          else{
1153 <            
1154 <            sprintf( painCave.errMsg,
1155 <                     "SimSetup Error: unhandled bend assignment:\n"
1156 <                     "    -->%s in Bend[%d] in %s\n",
1157 <                     current_extra->getlhs(),
1158 <                     j, comp_stamps[stampID]->getID() );
1159 <            painCave.isFatal = 1;
1160 <            simError();
1161 <          }
1162 <          
1163 <          current_extra = current_extra->getNext();
1164 <        }
803 > #ifdef IS_MPI
804 >    int myUse = usesDipoles;
805 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
806 > #endif //is_mpi
807 >
808 >    double theEcr, theEst;
809 >
810 >    if (globals->getUseRF()){
811 >      info[i].useReactionField = 1;
812 >
813 >      if (!globals->haveECR()){
814 >        sprintf(painCave.errMsg,
815 >                "SimSetup Warning: using default value of 1/2 the smallest "
816 >                "box length for the electrostaticCutoffRadius.\n"
817 >                "I hope you have a very fast processor!\n");
818 >        painCave.isFatal = 0;
819 >        simError();
820 >        double smallest;
821 >        smallest = info[i].boxL[0];
822 >        if (info[i].boxL[1] <= smallest)
823 >          smallest = info[i].boxL[1];
824 >        if (info[i].boxL[2] <= smallest)
825 >          smallest = info[i].boxL[2];
826 >        theEcr = 0.5 * smallest;
827        }
828 <          
829 <      if( !theBends[j].isGhost ){
1168 <            
1169 <        exI = theBends[j].a;
1170 <        exJ = theBends[j].c;
828 >      else{
829 >        theEcr = globals->getECR();
830        }
831 +
832 +      if (!globals->haveEST()){
833 +        sprintf(painCave.errMsg,
834 +                "SimSetup Warning: using default value of 0.05 * the "
835 +                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
836 +        painCave.isFatal = 0;
837 +        simError();
838 +        theEst = 0.05 * theEcr;
839 +      }
840        else{
841 <        
1174 <        exI = theBends[j].a;
1175 <        exJ = theBends[j].b;
841 >        theEst = globals->getEST();
842        }
843 <      
844 <      // exclude_I must always be the smaller of the pair
845 <      if( exI > exJ ){
846 <        tempEx = exI;
847 <        exI = exJ;
848 <        exJ = tempEx;
843 >
844 >      info[i].setEcr(theEcr, theEst);
845 >
846 >      if (!globals->haveDielectric()){
847 >        sprintf(painCave.errMsg,
848 >                "SimSetup Error: You are trying to use Reaction Field without"
849 >                "setting a dielectric constant!\n");
850 >        painCave.isFatal = 1;
851 >        simError();
852        }
853 < #ifdef IS_MPI
1185 <      tempEx = exI;
1186 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1187 <      tempEx = exJ;
1188 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1189 <      
1190 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1191 < #else  // isn't MPI
1192 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1193 < #endif  //is_mpi
853 >      info[i].dielectric = globals->getDielectric();
854      }
855 <    excludeOffset += info.nBends;
855 >    else{
856 >      if (usesDipoles){
857 >        if (!globals->haveECR()){
858 >          sprintf(painCave.errMsg,
859 >                  "SimSetup Warning: using default value of 1/2 the smallest "
860 >                  "box length for the electrostaticCutoffRadius.\n"
861 >                  "I hope you have a very fast processor!\n");
862 >          painCave.isFatal = 0;
863 >          simError();
864 >          double smallest;
865 >          smallest = info[i].boxL[0];
866 >          if (info[i].boxL[1] <= smallest)
867 >            smallest = info[i].boxL[1];
868 >          if (info[i].boxL[2] <= smallest)
869 >            smallest = info[i].boxL[2];
870 >          theEcr = 0.5 * smallest;
871 >        }
872 >        else{
873 >          theEcr = globals->getECR();
874 >        }
875  
876 <    for(j=0; j<info.nTorsions; j++){
877 <      
878 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
879 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
880 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
881 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
882 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
883 <      
884 <      exI = theTorsions[j].a;
885 <      exJ = theTorsions[j].d;
876 >        if (!globals->haveEST()){
877 >          sprintf(painCave.errMsg,
878 >                  "SimSetup Warning: using default value of 0.05 * the "
879 >                  "electrostaticCutoffRadius for the "
880 >                  "electrostaticSkinThickness\n");
881 >          painCave.isFatal = 0;
882 >          simError();
883 >          theEst = 0.05 * theEcr;
884 >        }
885 >        else{
886 >          theEst = globals->getEST();
887 >        }
888  
889 <      // exclude_I must always be the smaller of the pair
1209 <      if( exI > exJ ){
1210 <        tempEx = exI;
1211 <        exI = exJ;
1212 <        exJ = tempEx;
889 >        info[i].setEcr(theEcr, theEst);
890        }
891 +    }
892 +  }
893 +
894   #ifdef IS_MPI
895 <      tempEx = exI;
896 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
897 <      tempEx = exJ;
898 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
899 <      
900 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
901 < #else  // isn't MPI
902 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
903 < #endif  //is_mpi
895 >  strcpy(checkPointMsg, "post processing checks out");
896 >  MPIcheckPoint();
897 > #endif // is_mpi
898 > }
899 >
900 > void SimSetup::initSystemCoords(void){
901 >  int i;
902 >
903 >  char* inName;
904 >
905 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
906 >
907 >  for (i = 0; i < info[0].n_atoms; i++)
908 >    info[0].atoms[i]->setCoords();
909 >
910 >  if (globals->haveInitialConfig()){
911 >    InitializeFromFile* fileInit;
912 > #ifdef IS_MPI // is_mpi
913 >    if (worldRank == 0){
914 > #endif //is_mpi
915 >      inName = globals->getInitialConfig();
916 >      fileInit = new InitializeFromFile(inName);
917 > #ifdef IS_MPI
918      }
919 <    excludeOffset += info.nTorsions;
919 >    else
920 >      fileInit = new InitializeFromFile(NULL);
921 > #endif
922 >    fileInit->readInit(info); // default velocities on
923  
924 <    
925 <    // send the arrays off to the forceField for init.
924 >    delete fileInit;
925 >  }
926 >  else{
927 > #ifdef IS_MPI
928  
929 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1231 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1232 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1233 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
929 >    // no init from bass
930  
931 +    sprintf(painCave.errMsg,
932 +            "Cannot intialize a parallel simulation without an initial configuration file.\n");
933 +    painCave.isFatal = 1;;
934 +    simError();
935  
936 <    the_molecules[i].initialize( info );
936 > #else
937  
938 +    initFromBass();
939  
940 <    atomOffset += info.nAtoms;
941 <    delete[] theBonds;
1241 <    delete[] theBends;
1242 <    delete[] theTorsions;
940 >
941 > #endif
942    }
943  
944   #ifdef IS_MPI
945 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
945 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
946    MPIcheckPoint();
947   #endif // is_mpi
1249
1250  // clean up the forcefield
1251  the_ff->calcRcut();
1252  the_ff->cleanMe();
1253
948   }
949  
1256 void SimSetup::initFromBass( void ){
950  
951 <  int i, j, k;
952 <  int n_cells;
1260 <  double cellx, celly, cellz;
1261 <  double temp1, temp2, temp3;
1262 <  int n_per_extra;
1263 <  int n_extra;
1264 <  int have_extra, done;
951 > void SimSetup::makeOutNames(void){
952 >  int k;
953  
1266  temp1 = (double)tot_nmol / 4.0;
1267  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1268  temp3 = ceil( temp2 );
954  
955 <  have_extra =0;
956 <  if( temp2 < temp3 ){ // we have a non-complete lattice
957 <    have_extra =1;
955 >  for (k = 0; k < nInfo; k++){
956 > #ifdef IS_MPI
957 >    if (worldRank == 0){
958 > #endif // is_mpi
959  
960 <    n_cells = (int)temp3 - 1;
961 <    cellx = simnfo->boxLx / temp3;
962 <    celly = simnfo->boxLy / temp3;
963 <    cellz = simnfo->boxLz / temp3;
964 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
965 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
966 <    n_per_extra = (int)ceil( temp1 );
960 >      if (globals->haveFinalConfig()){
961 >        strcpy(info[k].finalName, globals->getFinalConfig());
962 >      }
963 >      else{
964 >        strcpy(info[k].finalName, inFileName);
965 >        char* endTest;
966 >        int nameLength = strlen(info[k].finalName);
967 >        endTest = &(info[k].finalName[nameLength - 5]);
968 >        if (!strcmp(endTest, ".bass")){
969 >          strcpy(endTest, ".eor");
970 >        }
971 >        else if (!strcmp(endTest, ".BASS")){
972 >          strcpy(endTest, ".eor");
973 >        }
974 >        else{
975 >          endTest = &(info[k].finalName[nameLength - 4]);
976 >          if (!strcmp(endTest, ".bss")){
977 >            strcpy(endTest, ".eor");
978 >          }
979 >          else if (!strcmp(endTest, ".mdl")){
980 >            strcpy(endTest, ".eor");
981 >          }
982 >          else{
983 >            strcat(info[k].finalName, ".eor");
984 >          }
985 >        }
986 >      }
987  
988 <    if( n_per_extra > 4){
989 <      sprintf( painCave.errMsg,
990 <               "SimSetup error. There has been an error in constructing"
991 <               " the non-complete lattice.\n" );
992 <      painCave.isFatal = 1;
993 <      simError();
988 >      // make the sample and status out names
989 >
990 >      strcpy(info[k].sampleName, inFileName);
991 >      char* endTest;
992 >      int nameLength = strlen(info[k].sampleName);
993 >      endTest = &(info[k].sampleName[nameLength - 5]);
994 >      if (!strcmp(endTest, ".bass")){
995 >        strcpy(endTest, ".dump");
996 >      }
997 >      else if (!strcmp(endTest, ".BASS")){
998 >        strcpy(endTest, ".dump");
999 >      }
1000 >      else{
1001 >        endTest = &(info[k].sampleName[nameLength - 4]);
1002 >        if (!strcmp(endTest, ".bss")){
1003 >          strcpy(endTest, ".dump");
1004 >        }
1005 >        else if (!strcmp(endTest, ".mdl")){
1006 >          strcpy(endTest, ".dump");
1007 >        }
1008 >        else{
1009 >          strcat(info[k].sampleName, ".dump");
1010 >        }
1011 >      }
1012 >
1013 >      strcpy(info[k].statusName, inFileName);
1014 >      nameLength = strlen(info[k].statusName);
1015 >      endTest = &(info[k].statusName[nameLength - 5]);
1016 >      if (!strcmp(endTest, ".bass")){
1017 >        strcpy(endTest, ".stat");
1018 >      }
1019 >      else if (!strcmp(endTest, ".BASS")){
1020 >        strcpy(endTest, ".stat");
1021 >      }
1022 >      else{
1023 >        endTest = &(info[k].statusName[nameLength - 4]);
1024 >        if (!strcmp(endTest, ".bss")){
1025 >          strcpy(endTest, ".stat");
1026 >        }
1027 >        else if (!strcmp(endTest, ".mdl")){
1028 >          strcpy(endTest, ".stat");
1029 >        }
1030 >        else{
1031 >          strcat(info[k].statusName, ".stat");
1032 >        }
1033 >      }
1034 >
1035 > #ifdef IS_MPI
1036 >
1037      }
1038 + #endif // is_mpi
1039    }
1040 <  else{
1291 <    n_cells = (int)temp3;
1292 <    cellx = simnfo->boxLx / temp3;
1293 <    celly = simnfo->boxLy / temp3;
1294 <    cellz = simnfo->boxLz / temp3;
1295 <  }
1040 > }
1041  
1297  current_mol = 0;
1298  current_comp_mol = 0;
1299  current_comp = 0;
1300  current_atom_ndx = 0;
1042  
1043 <  for( i=0; i < n_cells ; i++ ){
1044 <    for( j=0; j < n_cells; j++ ){
1304 <      for( k=0; k < n_cells; k++ ){
1043 > void SimSetup::sysObjectsCreation(void){
1044 >  int i, k;
1045  
1046 <        makeElement( i * cellx,
1307 <                     j * celly,
1308 <                     k * cellz );
1046 >  // create the forceField
1047  
1048 <        makeElement( i * cellx + 0.5 * cellx,
1311 <                     j * celly + 0.5 * celly,
1312 <                     k * cellz );
1048 >  createFF();
1049  
1050 <        makeElement( i * cellx,
1315 <                     j * celly + 0.5 * celly,
1316 <                     k * cellz + 0.5 * cellz );
1050 >  // extract componentList
1051  
1052 <        makeElement( i * cellx + 0.5 * cellx,
1053 <                     j * celly,
1054 <                     k * cellz + 0.5 * cellz );
1055 <      }
1052 >  compList();
1053 >
1054 >  // calc the number of atoms, bond, bends, and torsions
1055 >
1056 >  calcSysValues();
1057 >
1058 > #ifdef IS_MPI
1059 >  // divide the molecules among the processors
1060 >
1061 >  mpiMolDivide();
1062 > #endif //is_mpi
1063 >
1064 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1065 >
1066 >  makeSysArrays();
1067 >
1068 >  // make and initialize the molecules (all but atomic coordinates)
1069 >
1070 >  makeMolecules();
1071 >
1072 >  for (k = 0; k < nInfo; k++){
1073 >    info[k].identArray = new int[info[k].n_atoms];
1074 >    for (i = 0; i < info[k].n_atoms; i++){
1075 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1076      }
1077    }
1078 + }
1079  
1325  if( have_extra ){
1326    done = 0;
1080  
1081 <    int start_ndx;
1082 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1083 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1081 > void SimSetup::createFF(void){
1082 >  switch (ffCase){
1083 >    case FF_DUFF:
1084 >      the_ff = new DUFF();
1085 >      break;
1086  
1087 <        if( i < n_cells ){
1087 >    case FF_LJ:
1088 >      the_ff = new LJFF();
1089 >      break;
1090  
1091 <          if( j < n_cells ){
1092 <            start_ndx = n_cells;
1093 <          }
1337 <          else start_ndx = 0;
1338 <        }
1339 <        else start_ndx = 0;
1091 >    case FF_EAM:
1092 >      the_ff = new EAM_FF();
1093 >      break;
1094  
1095 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1095 >    default:
1096 >      sprintf(painCave.errMsg,
1097 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1098 >      painCave.isFatal = 1;
1099 >      simError();
1100 >  }
1101  
1102 <          makeElement( i * cellx,
1103 <                       j * celly,
1104 <                       k * cellz );
1105 <          done = ( current_mol >= tot_nmol );
1102 > #ifdef IS_MPI
1103 >  strcpy(checkPointMsg, "ForceField creation successful");
1104 >  MPIcheckPoint();
1105 > #endif // is_mpi
1106 > }
1107  
1348          if( !done && n_per_extra > 1 ){
1349            makeElement( i * cellx + 0.5 * cellx,
1350                         j * celly + 0.5 * celly,
1351                         k * cellz );
1352            done = ( current_mol >= tot_nmol );
1353          }
1108  
1109 <          if( !done && n_per_extra > 2){
1110 <            makeElement( i * cellx,
1111 <                         j * celly + 0.5 * celly,
1112 <                         k * cellz + 0.5 * cellz );
1113 <            done = ( current_mol >= tot_nmol );
1114 <          }
1109 > void SimSetup::compList(void){
1110 >  int i;
1111 >  char* id;
1112 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1113 >  LinkedMolStamp* currentStamp = NULL;
1114 >  comp_stamps = new MoleculeStamp * [n_components];
1115  
1116 <          if( !done && n_per_extra > 3){
1117 <            makeElement( i * cellx + 0.5 * cellx,
1118 <                         j * celly,
1119 <                         k * cellz + 0.5 * cellz );
1120 <            done = ( current_mol >= tot_nmol );
1121 <          }
1122 <        }
1116 >  // make an array of molecule stamps that match the components used.
1117 >  // also extract the used stamps out into a separate linked list
1118 >
1119 >  for (i = 0; i < nInfo; i++){
1120 >    info[i].nComponents = n_components;
1121 >    info[i].componentsNmol = components_nmol;
1122 >    info[i].compStamps = comp_stamps;
1123 >    info[i].headStamp = headStamp;
1124 >  }
1125 >
1126 >
1127 >  for (i = 0; i < n_components; i++){
1128 >    id = the_components[i]->getType();
1129 >    comp_stamps[i] = NULL;
1130 >
1131 >    // check to make sure the component isn't already in the list
1132 >
1133 >    comp_stamps[i] = headStamp->match(id);
1134 >    if (comp_stamps[i] == NULL){
1135 >      // extract the component from the list;
1136 >
1137 >      currentStamp = stamps->extractMolStamp(id);
1138 >      if (currentStamp == NULL){
1139 >        sprintf(painCave.errMsg,
1140 >                "SimSetup error: Component \"%s\" was not found in the "
1141 >                "list of declared molecules\n",
1142 >                id);
1143 >        painCave.isFatal = 1;
1144 >        simError();
1145        }
1146 +
1147 +      headStamp->add(currentStamp);
1148 +      comp_stamps[i] = headStamp->match(id);
1149      }
1150    }
1151  
1152 + #ifdef IS_MPI
1153 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1154 +  MPIcheckPoint();
1155 + #endif // is_mpi
1156 + }
1157  
1158 <  for( i=0; i<simnfo->n_atoms; i++ ){
1159 <    simnfo->atoms[i]->set_vx( 0.0 );
1160 <    simnfo->atoms[i]->set_vy( 0.0 );
1161 <    simnfo->atoms[i]->set_vz( 0.0 );
1158 > void SimSetup::calcSysValues(void){
1159 >  int i;
1160 >
1161 >  int* molMembershipArray;
1162 >
1163 >  tot_atoms = 0;
1164 >  tot_bonds = 0;
1165 >  tot_bends = 0;
1166 >  tot_torsions = 0;
1167 >  for (i = 0; i < n_components; i++){
1168 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1169 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1170 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1171 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1172    }
1379 }
1173  
1174 < void SimSetup::makeElement( double x, double y, double z ){
1174 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1175 >  molMembershipArray = new int[tot_atoms];
1176  
1177 <  int k;
1178 <  AtomStamp* current_atom;
1179 <  DirectionalAtom* dAtom;
1180 <  double rotMat[3][3];
1177 >  for (i = 0; i < nInfo; i++){
1178 >    info[i].n_atoms = tot_atoms;
1179 >    info[i].n_bonds = tot_bonds;
1180 >    info[i].n_bends = tot_bends;
1181 >    info[i].n_torsions = tot_torsions;
1182 >    info[i].n_SRI = tot_SRI;
1183 >    info[i].n_mol = tot_nmol;
1184  
1185 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1185 >    info[i].molMembershipArray = molMembershipArray;
1186 >  }
1187 > }
1188  
1189 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1391 <    if( !current_atom->havePosition() ){
1392 <      sprintf( painCave.errMsg,
1393 <               "SimSetup:initFromBass error.\n"
1394 <               "\tComponent %s, atom %s does not have a position specified.\n"
1395 <               "\tThe initialization routine is unable to give a start"
1396 <               " position.\n",
1397 <               comp_stamps[current_comp]->getID(),
1398 <               current_atom->getType() );
1399 <      painCave.isFatal = 1;
1400 <      simError();
1401 <    }
1189 > #ifdef IS_MPI
1190  
1191 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1192 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1193 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1191 > void SimSetup::mpiMolDivide(void){
1192 >  int i, j, k;
1193 >  int localMol, allMol;
1194 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1195  
1196 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1196 >  mpiSim = new mpiSimulation(info);
1197  
1198 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1198 >  globalIndex = mpiSim->divideLabor();
1199  
1200 <      rotMat[0][0] = 1.0;
1412 <      rotMat[0][1] = 0.0;
1413 <      rotMat[0][2] = 0.0;
1200 >  // set up the local variables
1201  
1202 <      rotMat[1][0] = 0.0;
1203 <      rotMat[1][1] = 1.0;
1417 <      rotMat[1][2] = 0.0;
1202 >  mol2proc = mpiSim->getMolToProcMap();
1203 >  molCompType = mpiSim->getMolComponentType();
1204  
1205 <      rotMat[2][0] = 0.0;
1206 <      rotMat[2][1] = 0.0;
1207 <      rotMat[2][2] = 1.0;
1205 >  allMol = 0;
1206 >  localMol = 0;
1207 >  local_atoms = 0;
1208 >  local_bonds = 0;
1209 >  local_bends = 0;
1210 >  local_torsions = 0;
1211 >  globalAtomIndex = 0;
1212  
1213 <      dAtom->setA( rotMat );
1213 >
1214 >  for (i = 0; i < n_components; i++){
1215 >    for (j = 0; j < components_nmol[i]; j++){
1216 >      if (mol2proc[allMol] == worldRank){
1217 >        local_atoms += comp_stamps[i]->getNAtoms();
1218 >        local_bonds += comp_stamps[i]->getNBonds();
1219 >        local_bends += comp_stamps[i]->getNBends();
1220 >        local_torsions += comp_stamps[i]->getNTorsions();
1221 >        localMol++;
1222 >      }      
1223 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1224 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1225 >        globalAtomIndex++;
1226 >      }
1227 >
1228 >      allMol++;
1229      }
1230 +  }
1231 +  local_SRI = local_bonds + local_bends + local_torsions;
1232  
1233 <    current_atom_ndx++;
1233 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1234 >
1235 >  if (local_atoms != info[0].n_atoms){
1236 >    sprintf(painCave.errMsg,
1237 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1238 >            " localAtom (%d) are not equal.\n",
1239 >            info[0].n_atoms, local_atoms);
1240 >    painCave.isFatal = 1;
1241 >    simError();
1242    }
1243  
1244 <  current_mol++;
1245 <  current_comp_mol++;
1244 >  info[0].n_bonds = local_bonds;
1245 >  info[0].n_bends = local_bends;
1246 >  info[0].n_torsions = local_torsions;
1247 >  info[0].n_SRI = local_SRI;
1248 >  info[0].n_mol = localMol;
1249  
1250 <  if( current_comp_mol >= components_nmol[current_comp] ){
1250 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1251 >  MPIcheckPoint();
1252 > }
1253  
1254 <    current_comp_mol = 0;
1255 <    current_comp++;
1254 > #endif // is_mpi
1255 >
1256 >
1257 > void SimSetup::makeSysArrays(void){
1258 >
1259 > #ifndef IS_MPI
1260 >  int k, j;
1261 > #endif // is_mpi
1262 >  int i, l;
1263 >
1264 >  Atom** the_atoms;
1265 >  Molecule* the_molecules;
1266 >  Exclude** the_excludes;
1267 >
1268 >
1269 >  for (l = 0; l < nInfo; l++){
1270 >    // create the atom and short range interaction arrays
1271 >
1272 >    the_atoms = new Atom * [info[l].n_atoms];
1273 >    the_molecules = new Molecule[info[l].n_mol];
1274 >    int molIndex;
1275 >
1276 >    // initialize the molecule's stampID's
1277 >
1278 > #ifdef IS_MPI
1279 >
1280 >
1281 >    molIndex = 0;
1282 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1283 >      if (mol2proc[i] == worldRank){
1284 >        the_molecules[molIndex].setStampID(molCompType[i]);
1285 >        the_molecules[molIndex].setMyIndex(molIndex);
1286 >        the_molecules[molIndex].setGlobalIndex(i);
1287 >        molIndex++;
1288 >      }
1289 >    }
1290 >
1291 > #else // is_mpi
1292 >
1293 >    molIndex = 0;
1294 >    globalAtomIndex = 0;
1295 >    for (i = 0; i < n_components; i++){
1296 >      for (j = 0; j < components_nmol[i]; j++){
1297 >        the_molecules[molIndex].setStampID(i);
1298 >        the_molecules[molIndex].setMyIndex(molIndex);
1299 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1300 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1301 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1302 >          globalAtomIndex++;
1303 >        }
1304 >        molIndex++;
1305 >      }
1306 >    }
1307 >
1308 >
1309 > #endif // is_mpi
1310 >
1311 >
1312 >    if (info[l].n_SRI){
1313 >      Exclude::createArray(info[l].n_SRI);
1314 >      the_excludes = new Exclude * [info[l].n_SRI];
1315 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1316 >        the_excludes[ex] = new Exclude(ex);
1317 >      }
1318 >      info[l].globalExcludes = new int;
1319 >      info[l].n_exclude = info[l].n_SRI;
1320 >    }
1321 >    else{
1322 >      Exclude::createArray(1);
1323 >      the_excludes = new Exclude * ;
1324 >      the_excludes[0] = new Exclude(0);
1325 >      the_excludes[0]->setPair(0, 0);
1326 >      info[l].globalExcludes = new int;
1327 >      info[l].globalExcludes[0] = 0;
1328 >      info[l].n_exclude = 0;
1329 >    }
1330 >
1331 >    // set the arrays into the SimInfo object
1332 >
1333 >    info[l].atoms = the_atoms;
1334 >    info[l].molecules = the_molecules;
1335 >    info[l].nGlobalExcludes = 0;
1336 >    info[l].excludes = the_excludes;
1337 >
1338 >    the_ff->setSimInfo(info);
1339    }
1340   }
1341 +
1342 + void SimSetup::makeIntegrator(void){
1343 +  int k;
1344 +
1345 +  NVE<RealIntegrator>* myNVE = NULL;
1346 +  NVT<RealIntegrator>* myNVT = NULL;
1347 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1348 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1349 +  
1350 +  for (k = 0; k < nInfo; k++){
1351 +    switch (ensembleCase){
1352 +      case NVE_ENS:
1353 +        if (globals->haveZconstraints()){
1354 +          setupZConstraint(info[k]);
1355 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1356 +        }
1357 +        else{
1358 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1359 +        }
1360 +        
1361 +        info->the_integrator = myNVE;
1362 +        break;
1363 +
1364 +      case NVT_ENS:
1365 +        if (globals->haveZconstraints()){
1366 +          setupZConstraint(info[k]);
1367 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1368 +        }
1369 +        else
1370 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1371 +
1372 +        myNVT->setTargetTemp(globals->getTargetTemp());
1373 +
1374 +        if (globals->haveTauThermostat())
1375 +          myNVT->setTauThermostat(globals->getTauThermostat());
1376 +        else{
1377 +          sprintf(painCave.errMsg,
1378 +                  "SimSetup error: If you use the NVT\n"
1379 +                  "    ensemble, you must set tauThermostat.\n");
1380 +          painCave.isFatal = 1;
1381 +          simError();
1382 +        }
1383 +
1384 +        info->the_integrator = myNVT;
1385 +        break;
1386 +
1387 +      case NPTi_ENS:
1388 +        if (globals->haveZconstraints()){
1389 +          setupZConstraint(info[k]);
1390 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1391 +        }
1392 +        else
1393 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1394 +
1395 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1396 +
1397 +        if (globals->haveTargetPressure())
1398 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1399 +        else{
1400 +          sprintf(painCave.errMsg,
1401 +                  "SimSetup error: If you use a constant pressure\n"
1402 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1403 +          painCave.isFatal = 1;
1404 +          simError();
1405 +        }
1406 +
1407 +        if (globals->haveTauThermostat())
1408 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1409 +        else{
1410 +          sprintf(painCave.errMsg,
1411 +                  "SimSetup error: If you use an NPT\n"
1412 +                  "    ensemble, you must set tauThermostat.\n");
1413 +          painCave.isFatal = 1;
1414 +          simError();
1415 +        }
1416 +
1417 +        if (globals->haveTauBarostat())
1418 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1419 +        else{
1420 +          sprintf(painCave.errMsg,
1421 +                  "SimSetup error: If you use an NPT\n"
1422 +                  "    ensemble, you must set tauBarostat.\n");
1423 +          painCave.isFatal = 1;
1424 +          simError();
1425 +        }
1426 +
1427 +        info->the_integrator = myNPTi;
1428 +        break;
1429 +
1430 +      case NPTf_ENS:
1431 +        if (globals->haveZconstraints()){
1432 +          setupZConstraint(info[k]);
1433 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1434 +        }
1435 +        else
1436 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1437 +
1438 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1439 +
1440 +        if (globals->haveTargetPressure())
1441 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1442 +        else{
1443 +          sprintf(painCave.errMsg,
1444 +                  "SimSetup error: If you use a constant pressure\n"
1445 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1446 +          painCave.isFatal = 1;
1447 +          simError();
1448 +        }    
1449 +
1450 +        if (globals->haveTauThermostat())
1451 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1452 +        else{
1453 +          sprintf(painCave.errMsg,
1454 +                  "SimSetup error: If you use an NPT\n"
1455 +                  "    ensemble, you must set tauThermostat.\n");
1456 +          painCave.isFatal = 1;
1457 +          simError();
1458 +        }
1459 +
1460 +        if (globals->haveTauBarostat())
1461 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1462 +        else{
1463 +          sprintf(painCave.errMsg,
1464 +                  "SimSetup error: If you use an NPT\n"
1465 +                  "    ensemble, you must set tauBarostat.\n");
1466 +          painCave.isFatal = 1;
1467 +          simError();
1468 +        }
1469 +
1470 +        info->the_integrator = myNPTf;
1471 +        break;
1472 +
1473 +      default:
1474 +        sprintf(painCave.errMsg,
1475 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1476 +        painCave.isFatal = 1;
1477 +        simError();
1478 +    }
1479 +  }
1480 + }
1481 +
1482 + void SimSetup::initFortran(void){
1483 +  info[0].refreshSim();
1484 +
1485 +  if (!strcmp(info[0].mixingRule, "standard")){
1486 +    the_ff->initForceField(LB_MIXING_RULE);
1487 +  }
1488 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1489 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1490 +  }
1491 +  else{
1492 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1493 +            info[0].mixingRule);
1494 +    painCave.isFatal = 1;
1495 +    simError();
1496 +  }
1497 +
1498 +
1499 + #ifdef IS_MPI
1500 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1501 +  MPIcheckPoint();
1502 + #endif // is_mpi
1503 + }
1504 +
1505 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1506 +  int nZConstraints;
1507 +  ZconStamp** zconStamp;
1508 +
1509 +  if (globals->haveZconstraintTime()){
1510 +    //add sample time of z-constraint  into SimInfo's property list                    
1511 +    DoubleData* zconsTimeProp = new DoubleData();
1512 +    zconsTimeProp->setID(ZCONSTIME_ID);
1513 +    zconsTimeProp->setData(globals->getZconsTime());
1514 +    theInfo.addProperty(zconsTimeProp);
1515 +  }
1516 +  else{
1517 +    sprintf(painCave.errMsg,
1518 +            "ZConstraint error: If you use an ZConstraint\n"
1519 +            " , you must set sample time.\n");
1520 +    painCave.isFatal = 1;
1521 +    simError();
1522 +  }
1523 +
1524 +  //push zconsTol into siminfo, if user does not specify
1525 +  //value for zconsTol, a default value will be used
1526 +  DoubleData* zconsTol = new DoubleData();
1527 +  zconsTol->setID(ZCONSTOL_ID);
1528 +  if (globals->haveZconsTol()){
1529 +    zconsTol->setData(globals->getZconsTol());
1530 +  }
1531 +  else{
1532 +    double defaultZConsTol = 0.01;
1533 +    sprintf(painCave.errMsg,
1534 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1535 +            " , default value %f is used.\n",
1536 +            defaultZConsTol);
1537 +    painCave.isFatal = 0;
1538 +    simError();      
1539 +
1540 +    zconsTol->setData(defaultZConsTol);
1541 +  }
1542 +  theInfo.addProperty(zconsTol);
1543 +
1544 +  //set Force Subtraction Policy
1545 +  StringData* zconsForcePolicy = new StringData();
1546 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1547 +
1548 +  if (globals->haveZconsForcePolicy()){
1549 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1550 +  }
1551 +  else{
1552 +    sprintf(painCave.errMsg,
1553 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1554 +            "PolicyByMass is used\n");
1555 +    painCave.isFatal = 0;
1556 +    simError();
1557 +    zconsForcePolicy->setData("BYMASS");
1558 +  }
1559 +
1560 +  theInfo.addProperty(zconsForcePolicy);
1561 +
1562 +  //Determine the name of ouput file and add it into SimInfo's property list
1563 +  //Be careful, do not use inFileName, since it is a pointer which
1564 +  //point to a string at master node, and slave nodes do not contain that string
1565 +
1566 +  string zconsOutput(theInfo.finalName);
1567 +
1568 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1569 +
1570 +  StringData* zconsFilename = new StringData();
1571 +  zconsFilename->setID(ZCONSFILENAME_ID);
1572 +  zconsFilename->setData(zconsOutput);
1573 +
1574 +  theInfo.addProperty(zconsFilename);
1575 +
1576 +  //setup index, pos and other parameters of z-constraint molecules
1577 +  nZConstraints = globals->getNzConstraints();
1578 +  theInfo.nZconstraints = nZConstraints;
1579 +
1580 +  zconStamp = globals->getZconStamp();
1581 +  ZConsParaItem tempParaItem;
1582 +
1583 +  ZConsParaData* zconsParaData = new ZConsParaData();
1584 +  zconsParaData->setID(ZCONSPARADATA_ID);
1585 +
1586 +  for (int i = 0; i < nZConstraints; i++){
1587 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1588 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1589 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1590 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1591 +
1592 +    zconsParaData->addItem(tempParaItem);
1593 +  }
1594 +
1595 +  //check the uniqueness of index  
1596 +  if(!zconsParaData->isIndexUnique()){
1597 +    sprintf(painCave.errMsg,
1598 +            "ZConstraint Error: molIndex is not unique\n");
1599 +    painCave.isFatal = 1;
1600 +    simError();
1601 +  }
1602 +
1603 +  //sort the parameters by index of molecules
1604 +  zconsParaData->sortByIndex();
1605 +  
1606 +  //push data into siminfo, therefore, we can retrieve later
1607 +  theInfo.addProperty(zconsParaData);
1608 + }

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