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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 572 by mmeineke, Wed Jul 2 21:26:55 2003 UTC vs.
Revision 814 by mmeineke, Thu Oct 23 19:57:25 2003 UTC

# Line 1 | Line 1
1 + #include <algorithm>
2   #include <cstdlib>
3   #include <iostream>
4   #include <cmath>
5 <
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# Line 14 | Line 17
17  
18   // some defines for ensemble and Forcefield  cases
19  
20 < #define NVE_ENS 0
21 < #define NVT_ENS 1
22 < #define NPT_ENS 2
20 > #define NVE_ENS        0
21 > #define NVT_ENS        1
22 > #define NPTi_ENS       2
23 > #define NPTf_ENS       3
24 > #define NPTxyz_ENS     4
25  
26 +
27   #define FF_DUFF 0
28   #define FF_LJ   1
29 + #define FF_EAM  2
30  
31 + using namespace std;
32  
33   SimSetup::SimSetup(){
34 +  isInfoArray = 0;
35 +  nInfo = 1;
36 +
37    stamps = new MakeStamps();
38    globals = new Globals();
39 <  
39 >
40 >
41   #ifdef IS_MPI
42 <  strcpy( checkPointMsg, "SimSetup creation successful" );
42 >  strcpy(checkPointMsg, "SimSetup creation successful");
43    MPIcheckPoint();
44   #endif // IS_MPI
45   }
# Line 37 | Line 49 | void SimSetup::parseFile( char* fileName ){
49    delete globals;
50   }
51  
52 < void SimSetup::parseFile( char* fileName ){
52 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
53 >  info = the_info;
54 >  nInfo = theNinfo;
55 >  isInfoArray = 1;
56 > }
57  
58 +
59 + void SimSetup::parseFile(char* fileName){
60   #ifdef IS_MPI
61 <  if( worldRank == 0 ){
61 >  if (worldRank == 0){
62   #endif // is_mpi
63 <    
63 >
64      inFileName = fileName;
65 <    set_interface_stamps( stamps, globals );
66 <    
65 >    set_interface_stamps(stamps, globals);
66 >
67   #ifdef IS_MPI
68      mpiEventInit();
69   #endif
70  
71 <    yacc_BASS( fileName );
71 >    yacc_BASS(fileName);
72  
73   #ifdef IS_MPI
74      throwMPIEvent(NULL);
75    }
76 <  else receiveParse();
76 >  else{
77 >    receiveParse();
78 >  }
79   #endif
80  
81   }
82  
83   #ifdef IS_MPI
84   void SimSetup::receiveParse(void){
85 <
86 <    set_interface_stamps( stamps, globals );
87 <    mpiEventInit();
88 <    MPIcheckPoint();
69 <    mpiEventLoop();
70 <
85 >  set_interface_stamps(stamps, globals);
86 >  mpiEventInit();
87 >  MPIcheckPoint();
88 >  mpiEventLoop();
89   }
90  
91   #endif // is_mpi
92  
93 < void SimSetup::createSim( void ){
93 > void SimSetup::createSim(void){
94  
95 <  MakeStamps *the_stamps;
78 <  Globals* the_globals;
79 <  int i, j, k, globalAtomIndex;
80 <  
81 <  int ensembleCase;
82 <  int ffCase;
83 <  
84 <  ensembleCase = -1;
85 <  ffCase = -1;
95 >  // gather all of the information from the Bass file
96  
97 <  // get the stamps and globals;
88 <  the_stamps = stamps;
89 <  the_globals = globals;
97 >  gatherInfo();
98  
99 <  // set the easy ones first
92 <  simnfo->target_temp = the_globals->getTargetTemp();
93 <  simnfo->dt = the_globals->getDt();
94 <  simnfo->run_time = the_globals->getRunTime();
99 >  // creation of complex system objects
100  
101 <  // get the ones we know are there, yet still may need some work.
97 <  n_components = the_globals->getNComponents();
98 <  strcpy( force_field, the_globals->getForceField() );
101 >  sysObjectsCreation();
102  
103 <  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
101 <  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
102 <  else{
103 <    sprintf( painCave.errMsg,
104 <             "SimSetup Error. Unrecognized force field -> %s\n",
105 <             force_field );
106 <    painCave.isFatal = 1;
107 <    simError();
108 <  }
103 >  // check on the post processing info
104  
105 <  // get the ensemble:
111 <  strcpy( ensemble, the_globals->getEnsemble() );
105 >  finalInfoCheck();
106  
107 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
108 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
109 <  else if( !strcasecmp( ensemble, "NPT" )) ensembleCase = NPT_ENS;
110 <  else{
111 <    sprintf( painCave.errMsg,
112 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
113 <             "reverting to NVE for this simulation.\n",
120 <             ensemble );
121 <    painCave.isFatal = 0;
122 <    simError();
123 <    strcpy( ensemble, "NVE" );
124 <    ensembleCase = NVE_ENS;
107 >  // initialize the system coordinates
108 >
109 >  if (!isInfoArray){
110 >    initSystemCoords();
111 >
112 >    if( !(globals->getUseInitTime()) )
113 >      info[0].currentTime = 0.0;
114    }  
126  strcpy( simnfo->ensemble, ensemble );
115  
116 +  // make the output filenames
117  
118 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
130 < //     the_extendedsystem = new ExtendedSystem( simnfo );
131 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
132 < //     if (the_globals->haveTargetPressure())
133 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
134 < //     else {
135 < //       sprintf( painCave.errMsg,
136 < //                "SimSetup error: If you use the constant pressure\n"
137 < //                "    ensemble, you must set targetPressure.\n"
138 < //                "    This was found in the BASS file.\n");
139 < //       painCave.isFatal = 1;
140 < //       simError();
141 < //     }
118 >  makeOutNames();
119  
120 < //     if (the_globals->haveTauThermostat())
144 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
145 < //     else if (the_globals->haveQmass())
146 < //       the_extendedsystem->setQmass(the_globals->getQmass());
147 < //     else {
148 < //       sprintf( painCave.errMsg,
149 < //                "SimSetup error: If you use one of the constant temperature\n"
150 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
151 < //                "    Neither of these was found in the BASS file.\n");
152 < //       painCave.isFatal = 1;
153 < //       simError();
154 < //     }
120 >  // make the integrator
121  
122 < //     if (the_globals->haveTauBarostat())
157 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
158 < //     else {
159 < //       sprintf( painCave.errMsg,
160 < //                "SimSetup error: If you use the constant pressure\n"
161 < //                "    ensemble, you must set tauBarostat.\n"
162 < //                "    This was found in the BASS file.\n");
163 < //       painCave.isFatal = 1;
164 < //       simError();
165 < //     }
122 >  makeIntegrator();
123  
124 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
125 < //     the_extendedsystem = new ExtendedSystem( simnfo );
126 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
124 > #ifdef IS_MPI
125 >  mpiSim->mpiRefresh();
126 > #endif
127  
128 < //     if (the_globals->haveTauThermostat())
172 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
173 < //     else if (the_globals->haveQmass())
174 < //       the_extendedsystem->setQmass(the_globals->getQmass());
175 < //     else {
176 < //       sprintf( painCave.errMsg,
177 < //                "SimSetup error: If you use one of the constant temperature\n"
178 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
179 < //                "    Neither of these was found in the BASS file.\n");
180 < //       painCave.isFatal = 1;
181 < //       simError();
182 < //     }
128 >  // initialize the Fortran
129  
130 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
131 <  simnfo->usePBC = the_globals->getPBC();
186 <          
187 <  int usesDipoles = 0;
188 <  switch( ffCase ){
130 >  initFortran();
131 > }
132  
190  case FF_DUFF:
191    the_ff = new DUFF();
192    usesDipoles = 1;
193    break;
133  
134 <  case FF_LJ:
135 <    the_ff = new LJFF();
136 <    break;
134 > void SimSetup::makeMolecules(void){
135 >  int k;
136 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
137 >  molInit molInfo;
138 >  DirectionalAtom* dAtom;
139 >  LinkedAssign* extras;
140 >  LinkedAssign* current_extra;
141 >  AtomStamp* currentAtom;
142 >  BondStamp* currentBond;
143 >  BendStamp* currentBend;
144 >  TorsionStamp* currentTorsion;
145  
146 <  default:
147 <    sprintf( painCave.errMsg,
148 <             "SimSetup Error. Unrecognized force field in case statement.\n");
202 <    painCave.isFatal = 1;
203 <    simError();
204 <  }
146 >  bond_pair* theBonds;
147 >  bend_set* theBends;
148 >  torsion_set* theTorsions;
149  
206 #ifdef IS_MPI
207  strcpy( checkPointMsg, "ForceField creation successful" );
208  MPIcheckPoint();
209 #endif // is_mpi
150  
151 <  // get the components and calculate the tot_nMol and indvidual n_mol
212 <  the_components = the_globals->getComponents();
213 <  components_nmol = new int[n_components];
214 <  comp_stamps = new MoleculeStamp*[n_components];
151 >  //init the forceField paramters
152  
153 <  if( !the_globals->haveNMol() ){
217 <    // we don't have the total number of molecules, so we assume it is
218 <    // given in each component
153 >  the_ff->readParams();
154  
220    tot_nmol = 0;
221    for( i=0; i<n_components; i++ ){
155  
156 <      if( !the_components[i]->haveNMol() ){
224 <        // we have a problem
225 <        sprintf( painCave.errMsg,
226 <                 "SimSetup Error. No global NMol or component NMol"
227 <                 " given. Cannot calculate the number of atoms.\n" );
228 <        painCave.isFatal = 1;
229 <        simError();
230 <      }
156 >  // init the atoms
157  
158 <      tot_nmol += the_components[i]->getNMol();
233 <      components_nmol[i] = the_components[i]->getNMol();
234 <    }
235 <  }
236 <  else{
237 <    sprintf( painCave.errMsg,
238 <             "SimSetup error.\n"
239 <             "\tSorry, the ability to specify total"
240 <             " nMols and then give molfractions in the components\n"
241 <             "\tis not currently supported."
242 <             " Please give nMol in the components.\n" );
243 <    painCave.isFatal = 1;
244 <    simError();
245 <    
246 <    
247 <    //     tot_nmol = the_globals->getNMol();
248 <    
249 <    //   //we have the total number of molecules, now we check for molfractions
250 <    //     for( i=0; i<n_components; i++ ){
251 <    
252 <    //       if( !the_components[i]->haveMolFraction() ){
253 <    
254 <    //  if( !the_components[i]->haveNMol() ){
255 <    //    //we have a problem
256 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
257 <    //              << " nMol was given in component
258 <    
259 <  }
158 >  double ux, uy, uz, u, uSqr;
159  
160 < #ifdef IS_MPI
161 <  strcpy( checkPointMsg, "Have the number of components" );
263 <  MPIcheckPoint();
264 < #endif // is_mpi
160 >  for (k = 0; k < nInfo; k++){
161 >    the_ff->setSimInfo(&(info[k]));
162  
163 <  // make an array of molecule stamps that match the components used.
164 <  // also extract the used stamps out into a separate linked list
163 >    atomOffset = 0;
164 >    excludeOffset = 0;
165 >    for (i = 0; i < info[k].n_mol; i++){
166 >      stampID = info[k].molecules[i].getStampID();
167  
168 <  simnfo->nComponents = n_components;
169 <  simnfo->componentsNmol = components_nmol;
170 <  simnfo->compStamps = comp_stamps;
171 <  simnfo->headStamp = new LinkedMolStamp();
172 <  
274 <  char* id;
275 <  LinkedMolStamp* headStamp = simnfo->headStamp;
276 <  LinkedMolStamp* currentStamp = NULL;
277 <  for( i=0; i<n_components; i++ ){
168 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
169 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
170 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
171 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
172 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
173  
174 <    id = the_components[i]->getType();
175 <    comp_stamps[i] = NULL;
176 <    
177 <    // check to make sure the component isn't already in the list
174 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
175 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
176 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
177 >      molInfo.myBends = new Bend * [molInfo.nBends];
178 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
179  
180 <    comp_stamps[i] = headStamp->match( id );
181 <    if( comp_stamps[i] == NULL ){
182 <      
287 <      // extract the component from the list;
288 <      
289 <      currentStamp = the_stamps->extractMolStamp( id );
290 <      if( currentStamp == NULL ){
291 <        sprintf( painCave.errMsg,
292 <                 "SimSetup error: Component \"%s\" was not found in the "
293 <                 "list of declared molecules\n",
294 <                 id );
295 <        painCave.isFatal = 1;
296 <        simError();
297 <      }
298 <      
299 <      headStamp->add( currentStamp );
300 <      comp_stamps[i] = headStamp->match( id );
301 <    }
302 <  }
180 >      theBonds = new bond_pair[molInfo.nBonds];
181 >      theBends = new bend_set[molInfo.nBends];
182 >      theTorsions = new torsion_set[molInfo.nTorsions];
183  
184 < #ifdef IS_MPI
305 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
306 <  MPIcheckPoint();
307 < #endif // is_mpi
308 <  
184 >      // make the Atoms
185  
186 +      for (j = 0; j < molInfo.nAtoms; j++){
187 +        currentAtom = comp_stamps[stampID]->getAtom(j);
188 +        if (currentAtom->haveOrientation()){
189 +          dAtom = new DirectionalAtom((j + atomOffset),
190 +                                      info[k].getConfiguration());
191 +          info[k].n_oriented++;
192 +          molInfo.myAtoms[j] = dAtom;
193  
194 +          ux = currentAtom->getOrntX();
195 +          uy = currentAtom->getOrntY();
196 +          uz = currentAtom->getOrntZ();
197  
198 <  // caclulate the number of atoms, bonds, bends and torsions
198 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
199  
200 <  tot_atoms = 0;
201 <  tot_bonds = 0;
202 <  tot_bends = 0;
203 <  tot_torsions = 0;
318 <  for( i=0; i<n_components; i++ ){
319 <    
320 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
321 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
322 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
323 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
324 <  }
200 >          u = sqrt(uSqr);
201 >          ux = ux / u;
202 >          uy = uy / u;
203 >          uz = uz / u;
204  
205 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
205 >          dAtom->setSUx(ux);
206 >          dAtom->setSUy(uy);
207 >          dAtom->setSUz(uz);
208 >        }
209 >        else{
210 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
211 >                                               info[k].getConfiguration());
212 >        }
213 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
214  
328  simnfo->n_atoms = tot_atoms;
329  simnfo->n_bonds = tot_bonds;
330  simnfo->n_bends = tot_bends;
331  simnfo->n_torsions = tot_torsions;
332  simnfo->n_SRI = tot_SRI;
333  simnfo->n_mol = tot_nmol;
334  
335  simnfo->molMembershipArray = new int[tot_atoms];
336
215   #ifdef IS_MPI
216  
217 <  // divide the molecules among processors here.
340 <  
341 <  mpiSim = new mpiSimulation( simnfo );
342 <  
343 <  globalIndex = mpiSim->divideLabor();
217 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
218  
219 <  // set up the local variables
220 <  
347 <  int localMol, allMol;
348 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
219 > #endif // is_mpi
220 >      }
221  
222 <  int* mol2proc = mpiSim->getMolToProcMap();
223 <  int* molCompType = mpiSim->getMolComponentType();
224 <  
225 <  allMol = 0;
226 <  localMol = 0;
355 <  local_atoms = 0;
356 <  local_bonds = 0;
357 <  local_bends = 0;
358 <  local_torsions = 0;
359 <  globalAtomIndex = 0;
222 >      // make the bonds
223 >      for (j = 0; j < molInfo.nBonds; j++){
224 >        currentBond = comp_stamps[stampID]->getBond(j);
225 >        theBonds[j].a = currentBond->getA() + atomOffset;
226 >        theBonds[j].b = currentBond->getB() + atomOffset;
227  
228 +        exI = theBonds[j].a;
229 +        exJ = theBonds[j].b;
230  
231 <  for( i=0; i<n_components; i++ ){
231 >        // exclude_I must always be the smaller of the pair
232 >        if (exI > exJ){
233 >          tempEx = exI;
234 >          exI = exJ;
235 >          exJ = tempEx;
236 >        }
237 > #ifdef IS_MPI
238 >        tempEx = exI;
239 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
240 >        tempEx = exJ;
241 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
242  
243 <    for( j=0; j<components_nmol[i]; j++ ){
244 <      
245 <      if( mol2proc[allMol] == worldRank ){
246 <        
247 <        local_atoms +=    comp_stamps[i]->getNAtoms();
369 <        local_bonds +=    comp_stamps[i]->getNBonds();
370 <        local_bends +=    comp_stamps[i]->getNBends();
371 <        local_torsions += comp_stamps[i]->getNTorsions();
372 <        localMol++;
373 <      }      
374 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
375 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
376 <        globalAtomIndex++;
243 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
244 > #else  // isn't MPI
245 >
246 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
247 > #endif  //is_mpi
248        }
249 +      excludeOffset += molInfo.nBonds;
250  
251 <      allMol++;      
252 <    }
253 <  }
254 <  local_SRI = local_bonds + local_bends + local_torsions;
255 <  
256 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
385 <  
386 <  if( local_atoms != simnfo->n_atoms ){
387 <    sprintf( painCave.errMsg,
388 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
389 <             " localAtom (%d) are not equal.\n",
390 <             simnfo->n_atoms,
391 <             local_atoms );
392 <    painCave.isFatal = 1;
393 <    simError();
394 <  }
251 >      //make the bends
252 >      for (j = 0; j < molInfo.nBends; j++){
253 >        currentBend = comp_stamps[stampID]->getBend(j);
254 >        theBends[j].a = currentBend->getA() + atomOffset;
255 >        theBends[j].b = currentBend->getB() + atomOffset;
256 >        theBends[j].c = currentBend->getC() + atomOffset;
257  
258 <  simnfo->n_bonds = local_bonds;
259 <  simnfo->n_bends = local_bends;
260 <  simnfo->n_torsions = local_torsions;
399 <  simnfo->n_SRI = local_SRI;
400 <  simnfo->n_mol = localMol;
258 >        if (currentBend->haveExtras()){
259 >          extras = currentBend->getExtras();
260 >          current_extra = extras;
261  
262 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
263 <  MPIcheckPoint();
264 <  
265 <  
266 < #endif // is_mpi
267 <  
262 >          while (current_extra != NULL){
263 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
264 >              switch (current_extra->getType()){
265 >                case 0:
266 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
267 >                  theBends[j].isGhost = 1;
268 >                  break;
269  
270 <  // create the atom and short range interaction arrays
270 >                case 1:
271 >                  theBends[j].ghost = (int) current_extra->getDouble() +
272 >                                      atomOffset;
273 >                  theBends[j].isGhost = 1;
274 >                  break;
275  
276 <  Atom::createArrays(simnfo->n_atoms);
277 <  the_atoms = new Atom*[simnfo->n_atoms];
278 <  the_molecules = new Molecule[simnfo->n_mol];
279 <  int molIndex;
276 >                default:
277 >                  sprintf(painCave.errMsg,
278 >                          "SimSetup Error: ghostVectorSource was neither a "
279 >                          "double nor an int.\n"
280 >                          "-->Bend[%d] in %s\n",
281 >                          j, comp_stamps[stampID]->getID());
282 >                  painCave.isFatal = 1;
283 >                  simError();
284 >              }
285 >            }
286 >            else{
287 >              sprintf(painCave.errMsg,
288 >                      "SimSetup Error: unhandled bend assignment:\n"
289 >                      "    -->%s in Bend[%d] in %s\n",
290 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
291 >              painCave.isFatal = 1;
292 >              simError();
293 >            }
294  
295 <  // initialize the molecule's stampID's
295 >            current_extra = current_extra->getNext();
296 >          }
297 >        }
298  
299 +        if (!theBends[j].isGhost){
300 +          exI = theBends[j].a;
301 +          exJ = theBends[j].c;
302 +        }
303 +        else{
304 +          exI = theBends[j].a;
305 +          exJ = theBends[j].b;
306 +        }
307 +
308 +        // exclude_I must always be the smaller of the pair
309 +        if (exI > exJ){
310 +          tempEx = exI;
311 +          exI = exJ;
312 +          exJ = tempEx;
313 +        }
314   #ifdef IS_MPI
315 <  
315 >        tempEx = exI;
316 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
317 >        tempEx = exJ;
318 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
319  
320 <  molIndex = 0;
321 <  for(i=0; i<mpiSim->getTotNmol(); i++){
322 <    
323 <    if(mol2proc[i] == worldRank ){
324 <      the_molecules[molIndex].setStampID( molCompType[i] );
325 <      the_molecules[molIndex].setMyIndex( molIndex );
427 <      the_molecules[molIndex].setGlobalIndex( i );
428 <      molIndex++;
429 <    }
430 <  }
320 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
321 > #else  // isn't MPI
322 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
323 > #endif  //is_mpi
324 >      }
325 >      excludeOffset += molInfo.nBends;
326  
327 < #else // is_mpi
328 <  
329 <  molIndex = 0;
330 <  globalAtomIndex = 0;
331 <  for(i=0; i<n_components; i++){
332 <    for(j=0; j<components_nmol[i]; j++ ){
438 <      the_molecules[molIndex].setStampID( i );
439 <      the_molecules[molIndex].setMyIndex( molIndex );
440 <      the_molecules[molIndex].setGlobalIndex( molIndex );
441 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
442 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
443 <        globalAtomIndex++;
444 <      }
445 <      molIndex++;
446 <    }
447 <  }
448 <    
327 >      for (j = 0; j < molInfo.nTorsions; j++){
328 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
329 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
330 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
331 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
332 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
333  
334 < #endif // is_mpi
334 >        exI = theTorsions[j].a;
335 >        exJ = theTorsions[j].d;
336  
337 +        // exclude_I must always be the smaller of the pair
338 +        if (exI > exJ){
339 +          tempEx = exI;
340 +          exI = exJ;
341 +          exJ = tempEx;
342 +        }
343 + #ifdef IS_MPI
344 +        tempEx = exI;
345 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
346 +        tempEx = exJ;
347 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
348  
349 <  if( simnfo->n_SRI ){
350 <    
351 <    Exclude::createArray(simnfo->n_SRI);
352 <    the_excludes = new Exclude*[simnfo->n_SRI];
353 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
354 <    simnfo->globalExcludes = new int;
459 <    simnfo->n_exclude = simnfo->n_SRI;
460 <  }
461 <  else{
462 <    
463 <    Exclude::createArray( 1 );
464 <    the_excludes = new Exclude*;
465 <    the_excludes[0] = new Exclude(0);
466 <    the_excludes[0]->setPair( 0,0 );
467 <    simnfo->globalExcludes = new int;
468 <    simnfo->globalExcludes[0] = 0;
469 <    simnfo->n_exclude = 0;
470 <  }
349 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
350 > #else  // isn't MPI
351 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
352 > #endif  //is_mpi
353 >      }
354 >      excludeOffset += molInfo.nTorsions;
355  
472  // set the arrays into the SimInfo object
356  
357 <  simnfo->atoms = the_atoms;
475 <  simnfo->molecules = the_molecules;
476 <  simnfo->nGlobalExcludes = 0;
477 <  simnfo->excludes = the_excludes;
357 >      // send the arrays off to the forceField for init.
358  
359 +      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
360 +      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
361 +      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
362 +      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
363 +                                 theTorsions);
364  
480  // get some of the tricky things that may still be in the globals
365  
366 <  double boxVector[3];
483 <  if( the_globals->haveBox() ){
484 <    boxVector[0] = the_globals->getBox();
485 <    boxVector[1] = the_globals->getBox();
486 <    boxVector[2] = the_globals->getBox();
487 <    
488 <    simnfo->setBox( boxVector );
489 <  }
490 <  else if( the_globals->haveDensity() ){
366 >      info[k].molecules[i].initialize(molInfo);
367  
492    double vol;
493    vol = (double)tot_nmol / the_globals->getDensity();
494     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
495     boxVector[1] = boxVector[0];
496     boxVector[2] = boxVector[0];
368  
369 <    simnfo->setBox( boxVector );
370 <  }
371 <  else{
372 <    if( !the_globals->haveBoxX() ){
502 <      sprintf( painCave.errMsg,
503 <               "SimSetup error, no periodic BoxX size given.\n" );
504 <      painCave.isFatal = 1;
505 <      simError();
369 >      atomOffset += molInfo.nAtoms;
370 >      delete[] theBonds;
371 >      delete[] theBends;
372 >      delete[] theTorsions;
373      }
507    boxVector[0] = the_globals->getBoxX();
508
509    if( !the_globals->haveBoxY() ){
510      sprintf( painCave.errMsg,
511               "SimSetup error, no periodic BoxY size given.\n" );
512      painCave.isFatal = 1;
513      simError();
514    }
515    boxVector[1] = the_globals->getBoxY();
516
517    if( !the_globals->haveBoxZ() ){
518      sprintf( painCave.errMsg,
519               "SimSetup error, no periodic BoxZ size given.\n" );
520      painCave.isFatal = 1;
521      simError();
522    }
523    boxVector[2] = the_globals->getBoxZ();
524
525    simnfo->setBox( boxVector );
374    }
375  
376   #ifdef IS_MPI
377 <  strcpy( checkPointMsg, "Box size set up" );
377 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
378    MPIcheckPoint();
379   #endif // is_mpi
380  
381 +  // clean up the forcefield
382  
383 <  // initialize the arrays
383 >  the_ff->calcRcut();
384 >  the_ff->cleanMe();
385 > }
386  
387 <  the_ff->setSimInfo( simnfo );
387 > void SimSetup::initFromBass(void){
388 >  int i, j, k;
389 >  int n_cells;
390 >  double cellx, celly, cellz;
391 >  double temp1, temp2, temp3;
392 >  int n_per_extra;
393 >  int n_extra;
394 >  int have_extra, done;
395  
396 <  makeMolecules();
397 <  simnfo->identArray = new int[simnfo->n_atoms];
398 <  for(i=0; i<simnfo->n_atoms; i++){
399 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
542 <  }
543 <  
544 <  if (the_globals->getUseRF() ) {
545 <    simnfo->useReactionField = 1;
546 <  
547 <    if( !the_globals->haveECR() ){
548 <      sprintf( painCave.errMsg,
549 <               "SimSetup Warning: using default value of 1/2 the smallest "
550 <               "box length for the electrostaticCutoffRadius.\n"
551 <               "I hope you have a very fast processor!\n");
552 <      painCave.isFatal = 0;
553 <      simError();
554 <      double smallest;
555 <      smallest = simnfo->boxLx;
556 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
557 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
558 <      simnfo->ecr = 0.5 * smallest;
559 <    } else {
560 <      simnfo->ecr        = the_globals->getECR();
561 <    }
396 >  double vel[3];
397 >  vel[0] = 0.0;
398 >  vel[1] = 0.0;
399 >  vel[2] = 0.0;
400  
401 <    if( !the_globals->haveEST() ){
402 <      sprintf( painCave.errMsg,
403 <               "SimSetup Warning: using default value of 0.05 * the "
404 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
405 <               );
406 <      painCave.isFatal = 0;
407 <      simError();
408 <      simnfo->est = 0.05 * simnfo->ecr;
409 <    } else {
410 <      simnfo->est        = the_globals->getEST();
411 <    }
412 <    
413 <    if(!the_globals->haveDielectric() ){
414 <      sprintf( painCave.errMsg,
415 <               "SimSetup Error: You are trying to use Reaction Field without"
416 <               "setting a dielectric constant!\n"
417 <               );
401 >  temp1 = (double) tot_nmol / 4.0;
402 >  temp2 = pow(temp1, (1.0 / 3.0));
403 >  temp3 = ceil(temp2);
404 >
405 >  have_extra = 0;
406 >  if (temp2 < temp3){
407 >    // we have a non-complete lattice
408 >    have_extra = 1;
409 >
410 >    n_cells = (int) temp3 - 1;
411 >    cellx = info[0].boxL[0] / temp3;
412 >    celly = info[0].boxL[1] / temp3;
413 >    cellz = info[0].boxL[2] / temp3;
414 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
415 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
416 >    n_per_extra = (int) ceil(temp1);
417 >
418 >    if (n_per_extra > 4){
419 >      sprintf(painCave.errMsg,
420 >              "SimSetup error. There has been an error in constructing"
421 >              " the non-complete lattice.\n");
422        painCave.isFatal = 1;
423        simError();
424      }
425 <    simnfo->dielectric = the_globals->getDielectric();  
426 <  } else {
427 <    if (usesDipoles) {
428 <      
429 <      if( !the_globals->haveECR() ){
430 <        sprintf( painCave.errMsg,
431 <                 "SimSetup Warning: using default value of 1/2 the smallest "
432 <                 "box length for the electrostaticCutoffRadius.\n"
433 <                 "I hope you have a very fast processor!\n");
434 <        painCave.isFatal = 0;
435 <        simError();
436 <        double smallest;
437 <        smallest = simnfo->boxLx;
438 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
439 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
440 <        simnfo->ecr = 0.5 * smallest;
441 <      } else {
442 <        simnfo->ecr        = the_globals->getECR();
425 >  }
426 >  else{
427 >    n_cells = (int) temp3;
428 >    cellx = info[0].boxL[0] / temp3;
429 >    celly = info[0].boxL[1] / temp3;
430 >    cellz = info[0].boxL[2] / temp3;
431 >  }
432 >
433 >  current_mol = 0;
434 >  current_comp_mol = 0;
435 >  current_comp = 0;
436 >  current_atom_ndx = 0;
437 >
438 >  for (i = 0; i < n_cells ; i++){
439 >    for (j = 0; j < n_cells; j++){
440 >      for (k = 0; k < n_cells; k++){
441 >        makeElement(i * cellx, j * celly, k * cellz);
442 >
443 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
444 >
445 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
446 >
447 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
448        }
602      
603      if( !the_globals->haveEST() ){
604        sprintf( painCave.errMsg,
605                 "SimSetup Warning: using default value of 5%% of the "
606                 "electrostaticCutoffRadius for the "
607                 "electrostaticSkinThickness\n"
608                 );
609        painCave.isFatal = 0;
610        simError();
611        simnfo->est = 0.05 * simnfo->ecr;
612      } else {
613        simnfo->est        = the_globals->getEST();
614      }
449      }
450 <  }  
450 >  }
451  
452 < #ifdef IS_MPI
453 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
620 <  MPIcheckPoint();
621 < #endif // is_mpi
452 >  if (have_extra){
453 >    done = 0;
454  
455 < if( the_globals->haveInitialConfig() ){
456 <
457 <     InitializeFromFile* fileInit;
458 < #ifdef IS_MPI // is_mpi
459 <     if( worldRank == 0 ){
460 < #endif //is_mpi
461 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
462 < #ifdef IS_MPI
463 <     }else fileInit = new InitializeFromFile( NULL );
464 < #endif
465 <   fileInit->read_xyz( simnfo ); // default velocities on
455 >    int start_ndx;
456 >    for (i = 0; i < (n_cells + 1) && !done; i++){
457 >      for (j = 0; j < (n_cells + 1) && !done; j++){
458 >        if (i < n_cells){
459 >          if (j < n_cells){
460 >            start_ndx = n_cells;
461 >          }
462 >          else
463 >            start_ndx = 0;
464 >        }
465 >        else
466 >          start_ndx = 0;
467  
468 <   delete fileInit;
469 < }
470 < else{
468 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
469 >          makeElement(i * cellx, j * celly, k * cellz);
470 >          done = (current_mol >= tot_nmol);
471  
472 < #ifdef IS_MPI
472 >          if (!done && n_per_extra > 1){
473 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
474 >                        k * cellz);
475 >            done = (current_mol >= tot_nmol);
476 >          }
477  
478 <  // no init from bass
479 <  
480 <  sprintf( painCave.errMsg,
481 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
482 <  painCave.isFatal;
646 <  simError();
647 <  
648 < #else
478 >          if (!done && n_per_extra > 2){
479 >            makeElement(i * cellx, j * celly + 0.5 * celly,
480 >                        k * cellz + 0.5 * cellz);
481 >            done = (current_mol >= tot_nmol);
482 >          }
483  
484 <  initFromBass();
485 <
486 <
487 < #endif
488 < }
489 <
656 < #ifdef IS_MPI
657 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
658 <  MPIcheckPoint();
659 < #endif // is_mpi
660 <
661 <
662 <  
663 <
664 <  
665 <
666 <  
667 < #ifdef IS_MPI
668 <  if( worldRank == 0 ){
669 < #endif // is_mpi
670 <    
671 <    if( the_globals->haveFinalConfig() ){
672 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
673 <    }
674 <    else{
675 <      strcpy( simnfo->finalName, inFileName );
676 <      char* endTest;
677 <      int nameLength = strlen( simnfo->finalName );
678 <      endTest = &(simnfo->finalName[nameLength - 5]);
679 <      if( !strcmp( endTest, ".bass" ) ){
680 <        strcpy( endTest, ".eor" );
484 >          if (!done && n_per_extra > 3){
485 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
486 >                        k * cellz + 0.5 * cellz);
487 >            done = (current_mol >= tot_nmol);
488 >          }
489 >        }
490        }
682      else if( !strcmp( endTest, ".BASS" ) ){
683        strcpy( endTest, ".eor" );
684      }
685      else{
686        endTest = &(simnfo->finalName[nameLength - 4]);
687        if( !strcmp( endTest, ".bss" ) ){
688          strcpy( endTest, ".eor" );
689        }
690        else if( !strcmp( endTest, ".mdl" ) ){
691          strcpy( endTest, ".eor" );
692        }
693        else{
694          strcat( simnfo->finalName, ".eor" );
695        }
696      }
491      }
698    
699    // make the sample and status out names
700    
701    strcpy( simnfo->sampleName, inFileName );
702    char* endTest;
703    int nameLength = strlen( simnfo->sampleName );
704    endTest = &(simnfo->sampleName[nameLength - 5]);
705    if( !strcmp( endTest, ".bass" ) ){
706      strcpy( endTest, ".dump" );
707    }
708    else if( !strcmp( endTest, ".BASS" ) ){
709      strcpy( endTest, ".dump" );
710    }
711    else{
712      endTest = &(simnfo->sampleName[nameLength - 4]);
713      if( !strcmp( endTest, ".bss" ) ){
714        strcpy( endTest, ".dump" );
715      }
716      else if( !strcmp( endTest, ".mdl" ) ){
717        strcpy( endTest, ".dump" );
718      }
719      else{
720        strcat( simnfo->sampleName, ".dump" );
721      }
722    }
723    
724    strcpy( simnfo->statusName, inFileName );
725    nameLength = strlen( simnfo->statusName );
726    endTest = &(simnfo->statusName[nameLength - 5]);
727    if( !strcmp( endTest, ".bass" ) ){
728      strcpy( endTest, ".stat" );
729    }
730    else if( !strcmp( endTest, ".BASS" ) ){
731      strcpy( endTest, ".stat" );
732    }
733    else{
734      endTest = &(simnfo->statusName[nameLength - 4]);
735      if( !strcmp( endTest, ".bss" ) ){
736        strcpy( endTest, ".stat" );
737      }
738      else if( !strcmp( endTest, ".mdl" ) ){
739        strcpy( endTest, ".stat" );
740      }
741      else{
742        strcat( simnfo->statusName, ".stat" );
743      }
744    }
745    
746 #ifdef IS_MPI
492    }
748 #endif // is_mpi
749  
750  // set the status, sample, and themal kick times
751  
752  if( the_globals->haveSampleTime() ){
753    simnfo->sampleTime = the_globals->getSampleTime();
754    simnfo->statusTime = simnfo->sampleTime;
755    simnfo->thermalTime = simnfo->sampleTime;
756  }
757  else{
758    simnfo->sampleTime = the_globals->getRunTime();
759    simnfo->statusTime = simnfo->sampleTime;
760    simnfo->thermalTime = simnfo->sampleTime;
761  }
493  
494 <  if( the_globals->haveStatusTime() ){
495 <    simnfo->statusTime = the_globals->getStatusTime();
494 >  for (i = 0; i < info[0].n_atoms; i++){
495 >    info[0].atoms[i]->setVel(vel);
496    }
497 + }
498  
499 <  if( the_globals->haveThermalTime() ){
500 <    simnfo->thermalTime = the_globals->getThermalTime();
501 <  }
499 > void SimSetup::makeElement(double x, double y, double z){
500 >  int k;
501 >  AtomStamp* current_atom;
502 >  DirectionalAtom* dAtom;
503 >  double rotMat[3][3];
504 >  double pos[3];
505  
506 <  // check for the temperature set flag
506 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
507 >    current_atom = comp_stamps[current_comp]->getAtom(k);
508 >    if (!current_atom->havePosition()){
509 >      sprintf(painCave.errMsg,
510 >              "SimSetup:initFromBass error.\n"
511 >              "\tComponent %s, atom %s does not have a position specified.\n"
512 >              "\tThe initialization routine is unable to give a start"
513 >              " position.\n",
514 >              comp_stamps[current_comp]->getID(), current_atom->getType());
515 >      painCave.isFatal = 1;
516 >      simError();
517 >    }
518  
519 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
519 >    pos[0] = x + current_atom->getPosX();
520 >    pos[1] = y + current_atom->getPosY();
521 >    pos[2] = z + current_atom->getPosZ();
522  
523 +    info[0].atoms[current_atom_ndx]->setPos(pos);
524  
525 <  // make the integrator
526 <  
778 <  
779 <  NVT* myNVT = NULL;
780 <  switch( ensembleCase ){
525 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
526 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
527  
528 <  case NVE_ENS:
529 <    new NVE( simnfo, the_ff );
530 <    break;
528 >      rotMat[0][0] = 1.0;
529 >      rotMat[0][1] = 0.0;
530 >      rotMat[0][2] = 0.0;
531  
532 <  case NVT_ENS:
533 <    myNVT = new NVT( simnfo, the_ff );
534 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
532 >      rotMat[1][0] = 0.0;
533 >      rotMat[1][1] = 1.0;
534 >      rotMat[1][2] = 0.0;
535  
536 <    if (the_globals->haveTauThermostat())
537 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
538 < //     else if (the_globals->haveQmass())
539 < //       myNVT->setQmass(the_globals->getQmass());
540 <    else {
795 <      sprintf( painCave.errMsg,
796 <               "SimSetup error: If you use the NVT\n"
797 <               "    ensemble, you must set either tauThermostat or qMass.\n"
798 <               "    Neither of these was found in the BASS file.\n");
799 <      painCave.isFatal = 1;
800 <      simError();
536 >      rotMat[2][0] = 0.0;
537 >      rotMat[2][1] = 0.0;
538 >      rotMat[2][2] = 1.0;
539 >
540 >      dAtom->setA(rotMat);
541      }
802    break;
542  
543 <  default:
805 <    sprintf( painCave.errMsg,
806 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
807 <    painCave.isFatal = 1;
808 <    simError();
543 >    current_atom_ndx++;
544    }
545  
546 +  current_mol++;
547 +  current_comp_mol++;
548  
549 < #ifdef IS_MPI
550 <  mpiSim->mpiRefresh();
551 < #endif
549 >  if (current_comp_mol >= components_nmol[current_comp]){
550 >    current_comp_mol = 0;
551 >    current_comp++;
552 >  }
553 > }
554  
816  // initialize the Fortran
555  
556 + void SimSetup::gatherInfo(void){
557 +  int i;
558  
559 <  simnfo->refreshSim();
560 <  
561 <  if( !strcmp( simnfo->mixingRule, "standard") ){
562 <    the_ff->initForceField( LB_MIXING_RULE );
559 >  ensembleCase = -1;
560 >  ffCase = -1;
561 >
562 >  // set the easy ones first
563 >
564 >  for (i = 0; i < nInfo; i++){
565 >    info[i].target_temp = globals->getTargetTemp();
566 >    info[i].dt = globals->getDt();
567 >    info[i].run_time = globals->getRunTime();
568    }
569 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
570 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
569 >  n_components = globals->getNComponents();
570 >
571 >
572 >  // get the forceField
573 >
574 >  strcpy(force_field, globals->getForceField());
575 >
576 >  if (!strcasecmp(force_field, "DUFF")){
577 >    ffCase = FF_DUFF;
578    }
579 +  else if (!strcasecmp(force_field, "LJ")){
580 +    ffCase = FF_LJ;
581 +  }
582 +  else if (!strcasecmp(force_field, "EAM")){
583 +    ffCase = FF_EAM;
584 +  }
585    else{
586 <    sprintf( painCave.errMsg,
587 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
588 <             simnfo->mixingRule );
589 <    painCave.isFatal = 1;
832 <    simError();
586 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
587 >            force_field);
588 >         painCave.isFatal = 1;
589 >         simError();
590    }
591  
592 +    // get the ensemble
593  
594 < #ifdef IS_MPI
837 <  strcpy( checkPointMsg,
838 <          "Successfully intialized the mixingRule for Fortran." );
839 <  MPIcheckPoint();
840 < #endif // is_mpi
841 < }
594 >  strcpy(ensemble, globals->getEnsemble());
595  
596 +  if (!strcasecmp(ensemble, "NVE")){
597 +    ensembleCase = NVE_ENS;
598 +  }
599 +  else if (!strcasecmp(ensemble, "NVT")){
600 +    ensembleCase = NVT_ENS;
601 +  }
602 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
603 +    ensembleCase = NPTi_ENS;
604 +  }
605 +  else if (!strcasecmp(ensemble, "NPTf")){
606 +    ensembleCase = NPTf_ENS;
607 +  }
608 +  else if (!strcasecmp(ensemble, "NPTxyz")){
609 +    ensembleCase = NPTxyz_ENS;
610 +  }
611 +  else{
612 +    sprintf(painCave.errMsg,
613 +            "SimSetup Warning. Unrecognized Ensemble -> %s, "
614 +            "reverting to NVE for this simulation.\n",
615 +            ensemble);
616 +         painCave.isFatal = 0;
617 +         simError();
618 +         strcpy(ensemble, "NVE");
619 +         ensembleCase = NVE_ENS;
620 +  }  
621  
622 < void SimSetup::makeMolecules( void ){
622 >  for (i = 0; i < nInfo; i++){
623 >    strcpy(info[i].ensemble, ensemble);
624  
625 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
847 <  molInit info;
848 <  DirectionalAtom* dAtom;
849 <  LinkedAssign* extras;
850 <  LinkedAssign* current_extra;
851 <  AtomStamp* currentAtom;
852 <  BondStamp* currentBond;
853 <  BendStamp* currentBend;
854 <  TorsionStamp* currentTorsion;
625 >    // get the mixing rule
626  
627 <  bond_pair* theBonds;
628 <  bend_set* theBends;
629 <  torsion_set* theTorsions;
627 >    strcpy(info[i].mixingRule, globals->getMixingRule());
628 >    info[i].usePBC = globals->getPBC();
629 >  }
630  
631 <  
861 <  //init the forceField paramters
631 >  // get the components and calculate the tot_nMol and indvidual n_mol
632  
633 <  the_ff->readParams();
633 >  the_components = globals->getComponents();
634 >  components_nmol = new int[n_components];
635  
865  
866  // init the atoms
636  
637 <  double ux, uy, uz, u, uSqr;
638 <  
639 <  atomOffset = 0;
871 <  excludeOffset = 0;
872 <  for(i=0; i<simnfo->n_mol; i++){
873 <    
874 <    stampID = the_molecules[i].getStampID();
637 >  if (!globals->haveNMol()){
638 >    // we don't have the total number of molecules, so we assume it is
639 >    // given in each component
640  
641 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
642 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
643 <    info.nBends    = comp_stamps[stampID]->getNBends();
644 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
645 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
646 <
647 <    info.myAtoms = &the_atoms[atomOffset];
648 <    info.myExcludes = &the_excludes[excludeOffset];
649 <    info.myBonds = new Bond*[info.nBonds];
885 <    info.myBends = new Bend*[info.nBends];
886 <    info.myTorsions = new Torsion*[info.nTorsions];
887 <
888 <    theBonds = new bond_pair[info.nBonds];
889 <    theBends = new bend_set[info.nBends];
890 <    theTorsions = new torsion_set[info.nTorsions];
891 <    
892 <    // make the Atoms
893 <    
894 <    for(j=0; j<info.nAtoms; j++){
895 <      
896 <      currentAtom = comp_stamps[stampID]->getAtom( j );
897 <      if( currentAtom->haveOrientation() ){
898 <        
899 <        dAtom = new DirectionalAtom(j + atomOffset);
900 <        simnfo->n_oriented++;
901 <        info.myAtoms[j] = dAtom;
902 <        
903 <        ux = currentAtom->getOrntX();
904 <        uy = currentAtom->getOrntY();
905 <        uz = currentAtom->getOrntZ();
906 <        
907 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
908 <        
909 <        u = sqrt( uSqr );
910 <        ux = ux / u;
911 <        uy = uy / u;
912 <        uz = uz / u;
913 <        
914 <        dAtom->setSUx( ux );
915 <        dAtom->setSUy( uy );
916 <        dAtom->setSUz( uz );
641 >    tot_nmol = 0;
642 >    for (i = 0; i < n_components; i++){
643 >      if (!the_components[i]->haveNMol()){
644 >        // we have a problem
645 >        sprintf(painCave.errMsg,
646 >                "SimSetup Error. No global NMol or component NMol"
647 >                " given. Cannot calculate the number of atoms.\n");
648 >        painCave.isFatal = 1;
649 >        simError();
650        }
918      else{
919        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
920      }
921      info.myAtoms[j]->setType( currentAtom->getType() );
922    
923 #ifdef IS_MPI
924      
925      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
926      
927 #endif // is_mpi
928    }
929    
930    // make the bonds
931    for(j=0; j<info.nBonds; j++){
932      
933      currentBond = comp_stamps[stampID]->getBond( j );
934      theBonds[j].a = currentBond->getA() + atomOffset;
935      theBonds[j].b = currentBond->getB() + atomOffset;
651  
652 <      exI = theBonds[j].a;
653 <      exJ = theBonds[j].b;
652 >      tot_nmol += the_components[i]->getNMol();
653 >      components_nmol[i] = the_components[i]->getNMol();
654 >    }
655 >  }
656 >  else{
657 >    sprintf(painCave.errMsg,
658 >            "SimSetup error.\n"
659 >            "\tSorry, the ability to specify total"
660 >            " nMols and then give molfractions in the components\n"
661 >            "\tis not currently supported."
662 >            " Please give nMol in the components.\n");
663 >    painCave.isFatal = 1;
664 >    simError();
665 >  }
666  
667 <      // exclude_I must always be the smaller of the pair
941 <      if( exI > exJ ){
942 <        tempEx = exI;
943 <        exI = exJ;
944 <        exJ = tempEx;
945 <      }
946 < #ifdef IS_MPI
947 <      tempEx = exI;
948 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
949 <      tempEx = exJ;
950 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
951 <      
952 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
953 < #else  // isn't MPI
667 >  // set the status, sample, and thermal kick times
668  
669 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
670 < #endif  //is_mpi
669 >  for (i = 0; i < nInfo; i++){
670 >    if (globals->haveSampleTime()){
671 >      info[i].sampleTime = globals->getSampleTime();
672 >      info[i].statusTime = info[i].sampleTime;
673 >      info[i].thermalTime = info[i].sampleTime;
674      }
675 <    excludeOffset += info.nBonds;
675 >    else{
676 >      info[i].sampleTime = globals->getRunTime();
677 >      info[i].statusTime = info[i].sampleTime;
678 >      info[i].thermalTime = info[i].sampleTime;
679 >    }
680  
681 <    //make the bends
682 <    for(j=0; j<info.nBends; j++){
962 <      
963 <      currentBend = comp_stamps[stampID]->getBend( j );
964 <      theBends[j].a = currentBend->getA() + atomOffset;
965 <      theBends[j].b = currentBend->getB() + atomOffset;
966 <      theBends[j].c = currentBend->getC() + atomOffset;
967 <          
968 <      if( currentBend->haveExtras() ){
969 <            
970 <        extras = currentBend->getExtras();
971 <        current_extra = extras;
972 <            
973 <        while( current_extra != NULL ){
974 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
975 <                
976 <            switch( current_extra->getType() ){
977 <              
978 <            case 0:
979 <              theBends[j].ghost =
980 <                current_extra->getInt() + atomOffset;
981 <              theBends[j].isGhost = 1;
982 <              break;
983 <                  
984 <            case 1:
985 <              theBends[j].ghost =
986 <                (int)current_extra->getDouble() + atomOffset;
987 <              theBends[j].isGhost = 1;
988 <              break;
989 <              
990 <            default:
991 <              sprintf( painCave.errMsg,
992 <                       "SimSetup Error: ghostVectorSource was neither a "
993 <                       "double nor an int.\n"
994 <                       "-->Bend[%d] in %s\n",
995 <                       j, comp_stamps[stampID]->getID() );
996 <              painCave.isFatal = 1;
997 <              simError();
998 <            }
999 <          }
1000 <          
1001 <          else{
1002 <            
1003 <            sprintf( painCave.errMsg,
1004 <                     "SimSetup Error: unhandled bend assignment:\n"
1005 <                     "    -->%s in Bend[%d] in %s\n",
1006 <                     current_extra->getlhs(),
1007 <                     j, comp_stamps[stampID]->getID() );
1008 <            painCave.isFatal = 1;
1009 <            simError();
1010 <          }
1011 <          
1012 <          current_extra = current_extra->getNext();
1013 <        }
1014 <      }
1015 <          
1016 <      if( !theBends[j].isGhost ){
1017 <            
1018 <        exI = theBends[j].a;
1019 <        exJ = theBends[j].c;
1020 <      }
1021 <      else{
1022 <        
1023 <        exI = theBends[j].a;
1024 <        exJ = theBends[j].b;
1025 <      }
1026 <      
1027 <      // exclude_I must always be the smaller of the pair
1028 <      if( exI > exJ ){
1029 <        tempEx = exI;
1030 <        exI = exJ;
1031 <        exJ = tempEx;
1032 <      }
1033 < #ifdef IS_MPI
1034 <      tempEx = exI;
1035 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1036 <      tempEx = exJ;
1037 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1038 <      
1039 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1040 < #else  // isn't MPI
1041 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1042 < #endif  //is_mpi
681 >    if (globals->haveStatusTime()){
682 >      info[i].statusTime = globals->getStatusTime();
683      }
1044    excludeOffset += info.nBends;
684  
685 <    for(j=0; j<info.nTorsions; j++){
686 <      
687 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1049 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1050 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1051 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1052 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1053 <      
1054 <      exI = theTorsions[j].a;
1055 <      exJ = theTorsions[j].d;
685 >    if (globals->haveThermalTime()){
686 >      info[i].thermalTime = globals->getThermalTime();
687 >    }
688  
689 <      // exclude_I must always be the smaller of the pair
690 <      if( exI > exJ ){
691 <        tempEx = exI;
692 <        exI = exJ;
1061 <        exJ = tempEx;
1062 <      }
1063 < #ifdef IS_MPI
1064 <      tempEx = exI;
1065 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1066 <      tempEx = exJ;
1067 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1068 <      
1069 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1070 < #else  // isn't MPI
1071 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1072 < #endif  //is_mpi
689 >    info[i].resetIntegrator = 0;
690 >    if( globals->haveResetTime() ){
691 >      info[i].resetTime = globals->getResetTime();
692 >      info[i].resetIntegrator = 1;
693      }
1074    excludeOffset += info.nTorsions;
694  
695 <    
1077 <    // send the arrays off to the forceField for init.
695 >    // check for the temperature set flag
696  
697 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
698 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1081 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1082 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
697 >    if (globals->haveTempSet())
698 >      info[i].setTemp = globals->getTempSet();
699  
700 +    // get some of the tricky things that may still be in the globals
701  
702 <    the_molecules[i].initialize( info );
703 <
704 <
705 <    atomOffset += info.nAtoms;
706 <    delete[] theBonds;
1090 <    delete[] theBends;
1091 <    delete[] theTorsions;
1092 <  }
1093 <
1094 < #ifdef IS_MPI
1095 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1096 <  MPIcheckPoint();
1097 < #endif // is_mpi
1098 <
1099 <  // clean up the forcefield
1100 <  the_ff->calcRcut();
1101 <  the_ff->cleanMe();
702 >    double boxVector[3];
703 >    if (globals->haveBox()){
704 >      boxVector[0] = globals->getBox();
705 >      boxVector[1] = globals->getBox();
706 >      boxVector[2] = globals->getBox();
707  
708 < }
708 >      info[i].setBox(boxVector);
709 >    }
710 >    else if (globals->haveDensity()){
711 >      double vol;
712 >      vol = (double) tot_nmol / globals->getDensity();
713 >      boxVector[0] = pow(vol, (1.0 / 3.0));
714 >      boxVector[1] = boxVector[0];
715 >      boxVector[2] = boxVector[0];
716  
717 < void SimSetup::initFromBass( void ){
717 >      info[i].setBox(boxVector);
718 >    }
719 >    else{
720 >      if (!globals->haveBoxX()){
721 >        sprintf(painCave.errMsg,
722 >                "SimSetup error, no periodic BoxX size given.\n");
723 >        painCave.isFatal = 1;
724 >        simError();
725 >      }
726 >      boxVector[0] = globals->getBoxX();
727  
728 <  int i, j, k;
729 <  int n_cells;
730 <  double cellx, celly, cellz;
731 <  double temp1, temp2, temp3;
732 <  int n_per_extra;
733 <  int n_extra;
734 <  int have_extra, done;
728 >      if (!globals->haveBoxY()){
729 >        sprintf(painCave.errMsg,
730 >                "SimSetup error, no periodic BoxY size given.\n");
731 >        painCave.isFatal = 1;
732 >        simError();
733 >      }
734 >      boxVector[1] = globals->getBoxY();
735  
736 <  temp1 = (double)tot_nmol / 4.0;
737 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
738 <  temp3 = ceil( temp2 );
736 >      if (!globals->haveBoxZ()){
737 >        sprintf(painCave.errMsg,
738 >                "SimSetup error, no periodic BoxZ size given.\n");
739 >        painCave.isFatal = 1;
740 >        simError();
741 >      }
742 >      boxVector[2] = globals->getBoxZ();
743  
744 <  have_extra =0;
745 <  if( temp2 < temp3 ){ // we have a non-complete lattice
746 <    have_extra =1;
744 >      info[i].setBox(boxVector);
745 >    }
746 >  }
747  
748 <    n_cells = (int)temp3 - 1;
749 <    cellx = simnfo->boxLx / temp3;
1125 <    celly = simnfo->boxLy / temp3;
1126 <    cellz = simnfo->boxLz / temp3;
1127 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1128 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1129 <    n_per_extra = (int)ceil( temp1 );
748 >  //setup seed for random number generator
749 >  int seedValue;
750  
751 <    if( n_per_extra > 4){
752 <      sprintf( painCave.errMsg,
753 <               "SimSetup error. There has been an error in constructing"
754 <               " the non-complete lattice.\n" );
755 <      painCave.isFatal = 1;
751 >  if (globals->haveSeed()){
752 >    seedValue = globals->getSeed();
753 >
754 >    if(seedValue / 1E9 == 0){
755 >      sprintf(painCave.errMsg,
756 >              "Seed for sprng library should contain at least 9 digits\n"
757 >              "OOPSE will generate a seed for user\n");
758 >      painCave.isFatal = 0;
759        simError();
760 +
761 +      //using seed generated by system instead of invalid seed set by user
762 + #ifndef IS_MPI
763 +      seedValue = make_sprng_seed();
764 + #else
765 +      if (worldRank == 0){
766 +        seedValue = make_sprng_seed();
767 +      }
768 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
769 + #endif      
770      }
771 <  }
771 >  }//end of if branch of globals->haveSeed()
772    else{
773 <    n_cells = (int)temp3;
774 <    cellx = simnfo->boxLx / temp3;
775 <    celly = simnfo->boxLy / temp3;
776 <    cellz = simnfo->boxLz / temp3;
773 >    
774 > #ifndef IS_MPI
775 >    seedValue = make_sprng_seed();
776 > #else
777 >    if (worldRank == 0){
778 >      seedValue = make_sprng_seed();
779 >    }
780 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
781 > #endif
782 >  }//end of globals->haveSeed()
783 >
784 >  for (int i = 0; i < nInfo; i++){
785 >    info[i].setSeed(seedValue);
786    }
787  
788 <  current_mol = 0;
789 <  current_comp_mol = 0;
790 <  current_comp = 0;
791 <  current_atom_ndx = 0;
788 > #ifdef IS_MPI
789 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
790 >  MPIcheckPoint();
791 > #endif // is_mpi
792 > }
793  
1151  for( i=0; i < n_cells ; i++ ){
1152    for( j=0; j < n_cells; j++ ){
1153      for( k=0; k < n_cells; k++ ){
794  
795 <        makeElement( i * cellx,
796 <                     j * celly,
797 <                     k * cellz );
795 > void SimSetup::finalInfoCheck(void){
796 >  int index;
797 >  int usesDipoles;
798 >  int i;
799  
800 <        makeElement( i * cellx + 0.5 * cellx,
801 <                     j * celly + 0.5 * celly,
1161 <                     k * cellz );
800 >  for (i = 0; i < nInfo; i++){
801 >    // check electrostatic parameters
802  
803 <        makeElement( i * cellx,
804 <                     j * celly + 0.5 * celly,
805 <                     k * cellz + 0.5 * cellz );
806 <
807 <        makeElement( i * cellx + 0.5 * cellx,
1168 <                     j * celly,
1169 <                     k * cellz + 0.5 * cellz );
1170 <      }
803 >    index = 0;
804 >    usesDipoles = 0;
805 >    while ((index < info[i].n_atoms) && !usesDipoles){
806 >      usesDipoles = (info[i].atoms[index])->hasDipole();
807 >      index++;
808      }
1172  }
809  
810 <  if( have_extra ){
811 <    done = 0;
810 > #ifdef IS_MPI
811 >    int myUse = usesDipoles;
812 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
813 > #endif //is_mpi
814  
815 <    int start_ndx;
1178 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1179 <      for( j=0; j < (n_cells+1) && !done; j++ ){
815 >    double theEcr, theEst;
816  
817 <        if( i < n_cells ){
817 >    if (globals->getUseRF()){
818 >      info[i].useReactionField = 1;
819  
820 <          if( j < n_cells ){
821 <            start_ndx = n_cells;
822 <          }
823 <          else start_ndx = 0;
824 <        }
825 <        else start_ndx = 0;
820 >      if (!globals->haveECR()){
821 >        sprintf(painCave.errMsg,
822 >                "SimSetup Warning: using default value of 1/2 the smallest "
823 >                "box length for the electrostaticCutoffRadius.\n"
824 >                "I hope you have a very fast processor!\n");
825 >        painCave.isFatal = 0;
826 >        simError();
827 >        double smallest;
828 >        smallest = info[i].boxL[0];
829 >        if (info[i].boxL[1] <= smallest)
830 >          smallest = info[i].boxL[1];
831 >        if (info[i].boxL[2] <= smallest)
832 >          smallest = info[i].boxL[2];
833 >        theEcr = 0.5 * smallest;
834 >      }
835 >      else{
836 >        theEcr = globals->getECR();
837 >      }
838  
839 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
839 >      if (!globals->haveEST()){
840 >        sprintf(painCave.errMsg,
841 >                "SimSetup Warning: using default value of 0.05 * the "
842 >                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
843 >        painCave.isFatal = 0;
844 >        simError();
845 >        theEst = 0.05 * theEcr;
846 >      }
847 >      else{
848 >        theEst = globals->getEST();
849 >      }
850  
851 <          makeElement( i * cellx,
1193 <                       j * celly,
1194 <                       k * cellz );
1195 <          done = ( current_mol >= tot_nmol );
851 >      info[i].setEcr(theEcr, theEst);
852  
853 <          if( !done && n_per_extra > 1 ){
854 <            makeElement( i * cellx + 0.5 * cellx,
855 <                         j * celly + 0.5 * celly,
856 <                         k * cellz );
857 <            done = ( current_mol >= tot_nmol );
858 <          }
853 >      if (!globals->haveDielectric()){
854 >        sprintf(painCave.errMsg,
855 >                "SimSetup Error: You are trying to use Reaction Field without"
856 >                "setting a dielectric constant!\n");
857 >        painCave.isFatal = 1;
858 >        simError();
859 >      }
860 >      info[i].dielectric = globals->getDielectric();
861 >    }
862 >    else{
863 >      if (usesDipoles){
864 >        if (!globals->haveECR()){
865 >          sprintf(painCave.errMsg,
866 >                  "SimSetup Warning: using default value of 1/2 the smallest "
867 >                  "box length for the electrostaticCutoffRadius.\n"
868 >                  "I hope you have a very fast processor!\n");
869 >          painCave.isFatal = 0;
870 >          simError();
871 >          double smallest;
872 >          smallest = info[i].boxL[0];
873 >          if (info[i].boxL[1] <= smallest)
874 >            smallest = info[i].boxL[1];
875 >          if (info[i].boxL[2] <= smallest)
876 >            smallest = info[i].boxL[2];
877 >          theEcr = 0.5 * smallest;
878 >        }
879 >        else{
880 >          theEcr = globals->getECR();
881 >        }
882  
883 <          if( !done && n_per_extra > 2){
884 <            makeElement( i * cellx,
885 <                         j * celly + 0.5 * celly,
886 <                         k * cellz + 0.5 * cellz );
887 <            done = ( current_mol >= tot_nmol );
888 <          }
883 >        if (!globals->haveEST()){
884 >          sprintf(painCave.errMsg,
885 >                  "SimSetup Warning: using default value of 0.05 * the "
886 >                  "electrostaticCutoffRadius for the "
887 >                  "electrostaticSkinThickness\n");
888 >          painCave.isFatal = 0;
889 >          simError();
890 >          theEst = 0.05 * theEcr;
891 >        }
892 >        else{
893 >          theEst = globals->getEST();
894 >        }
895  
896 <          if( !done && n_per_extra > 3){
1212 <            makeElement( i * cellx + 0.5 * cellx,
1213 <                         j * celly,
1214 <                         k * cellz + 0.5 * cellz );
1215 <            done = ( current_mol >= tot_nmol );
1216 <          }
1217 <        }
896 >        info[i].setEcr(theEcr, theEst);
897        }
898      }
899    }
900  
901 <
902 <  for( i=0; i<simnfo->n_atoms; i++ ){
903 <    simnfo->atoms[i]->set_vx( 0.0 );
904 <    simnfo->atoms[i]->set_vy( 0.0 );
1226 <    simnfo->atoms[i]->set_vz( 0.0 );
1227 <  }
901 > #ifdef IS_MPI
902 >  strcpy(checkPointMsg, "post processing checks out");
903 >  MPIcheckPoint();
904 > #endif // is_mpi
905   }
906  
907 < void SimSetup::makeElement( double x, double y, double z ){
907 > void SimSetup::initSystemCoords(void){
908 >  int i;
909  
910 <  int k;
1233 <  AtomStamp* current_atom;
1234 <  DirectionalAtom* dAtom;
1235 <  double rotMat[3][3];
910 >  char* inName;
911  
912 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
912 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
913  
914 <    current_atom = comp_stamps[current_comp]->getAtom( k );
915 <    if( !current_atom->havePosition() ){
916 <      sprintf( painCave.errMsg,
917 <               "SimSetup:initFromBass error.\n"
918 <               "\tComponent %s, atom %s does not have a position specified.\n"
919 <               "\tThe initialization routine is unable to give a start"
920 <               " position.\n",
921 <               comp_stamps[current_comp]->getID(),
922 <               current_atom->getType() );
923 <      painCave.isFatal = 1;
924 <      simError();
914 >  for (i = 0; i < info[0].n_atoms; i++)
915 >    info[0].atoms[i]->setCoords();
916 >
917 >  if (globals->haveInitialConfig()){
918 >    InitializeFromFile* fileInit;
919 > #ifdef IS_MPI // is_mpi
920 >    if (worldRank == 0){
921 > #endif //is_mpi
922 >      inName = globals->getInitialConfig();
923 >      fileInit = new InitializeFromFile(inName);
924 > #ifdef IS_MPI
925      }
926 +    else
927 +      fileInit = new InitializeFromFile(NULL);
928 + #endif
929 +    fileInit->readInit(info); // default velocities on
930  
931 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
932 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
933 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
931 >    delete fileInit;
932 >  }
933 >  else{
934 > #ifdef IS_MPI
935  
936 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
936 >    // no init from bass
937  
938 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
938 >    sprintf(painCave.errMsg,
939 >            "Cannot intialize a parallel simulation without an initial configuration file.\n");
940 >    painCave.isFatal = 1;;
941 >    simError();
942  
943 <      rotMat[0][0] = 1.0;
1261 <      rotMat[0][1] = 0.0;
1262 <      rotMat[0][2] = 0.0;
943 > #else
944  
945 <      rotMat[1][0] = 0.0;
1265 <      rotMat[1][1] = 1.0;
1266 <      rotMat[1][2] = 0.0;
945 >    initFromBass();
946  
1268      rotMat[2][0] = 0.0;
1269      rotMat[2][1] = 0.0;
1270      rotMat[2][2] = 1.0;
947  
948 <      dAtom->setA( rotMat );
948 > #endif
949 >  }
950 >
951 > #ifdef IS_MPI
952 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
953 >  MPIcheckPoint();
954 > #endif // is_mpi
955 > }
956 >
957 >
958 > void SimSetup::makeOutNames(void){
959 >  int k;
960 >
961 >
962 >  for (k = 0; k < nInfo; k++){
963 > #ifdef IS_MPI
964 >    if (worldRank == 0){
965 > #endif // is_mpi
966 >
967 >      if (globals->haveFinalConfig()){
968 >        strcpy(info[k].finalName, globals->getFinalConfig());
969 >      }
970 >      else{
971 >        strcpy(info[k].finalName, inFileName);
972 >        char* endTest;
973 >        int nameLength = strlen(info[k].finalName);
974 >        endTest = &(info[k].finalName[nameLength - 5]);
975 >        if (!strcmp(endTest, ".bass")){
976 >          strcpy(endTest, ".eor");
977 >        }
978 >        else if (!strcmp(endTest, ".BASS")){
979 >          strcpy(endTest, ".eor");
980 >        }
981 >        else{
982 >          endTest = &(info[k].finalName[nameLength - 4]);
983 >          if (!strcmp(endTest, ".bss")){
984 >            strcpy(endTest, ".eor");
985 >          }
986 >          else if (!strcmp(endTest, ".mdl")){
987 >            strcpy(endTest, ".eor");
988 >          }
989 >          else{
990 >            strcat(info[k].finalName, ".eor");
991 >          }
992 >        }
993 >      }
994 >
995 >      // make the sample and status out names
996 >
997 >      strcpy(info[k].sampleName, inFileName);
998 >      char* endTest;
999 >      int nameLength = strlen(info[k].sampleName);
1000 >      endTest = &(info[k].sampleName[nameLength - 5]);
1001 >      if (!strcmp(endTest, ".bass")){
1002 >        strcpy(endTest, ".dump");
1003 >      }
1004 >      else if (!strcmp(endTest, ".BASS")){
1005 >        strcpy(endTest, ".dump");
1006 >      }
1007 >      else{
1008 >        endTest = &(info[k].sampleName[nameLength - 4]);
1009 >        if (!strcmp(endTest, ".bss")){
1010 >          strcpy(endTest, ".dump");
1011 >        }
1012 >        else if (!strcmp(endTest, ".mdl")){
1013 >          strcpy(endTest, ".dump");
1014 >        }
1015 >        else{
1016 >          strcat(info[k].sampleName, ".dump");
1017 >        }
1018 >      }
1019 >
1020 >      strcpy(info[k].statusName, inFileName);
1021 >      nameLength = strlen(info[k].statusName);
1022 >      endTest = &(info[k].statusName[nameLength - 5]);
1023 >      if (!strcmp(endTest, ".bass")){
1024 >        strcpy(endTest, ".stat");
1025 >      }
1026 >      else if (!strcmp(endTest, ".BASS")){
1027 >        strcpy(endTest, ".stat");
1028 >      }
1029 >      else{
1030 >        endTest = &(info[k].statusName[nameLength - 4]);
1031 >        if (!strcmp(endTest, ".bss")){
1032 >          strcpy(endTest, ".stat");
1033 >        }
1034 >        else if (!strcmp(endTest, ".mdl")){
1035 >          strcpy(endTest, ".stat");
1036 >        }
1037 >        else{
1038 >          strcat(info[k].statusName, ".stat");
1039 >        }
1040 >      }
1041 >
1042 > #ifdef IS_MPI
1043 >
1044      }
1045 + #endif // is_mpi
1046 +  }
1047 + }
1048  
1049 <    current_atom_ndx++;
1049 >
1050 > void SimSetup::sysObjectsCreation(void){
1051 >  int i, k;
1052 >
1053 >  // create the forceField
1054 >
1055 >  createFF();
1056 >
1057 >  // extract componentList
1058 >
1059 >  compList();
1060 >
1061 >  // calc the number of atoms, bond, bends, and torsions
1062 >
1063 >  calcSysValues();
1064 >
1065 > #ifdef IS_MPI
1066 >  // divide the molecules among the processors
1067 >
1068 >  mpiMolDivide();
1069 > #endif //is_mpi
1070 >
1071 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1072 >
1073 >  makeSysArrays();
1074 >
1075 >  // make and initialize the molecules (all but atomic coordinates)
1076 >
1077 >  makeMolecules();
1078 >
1079 >  for (k = 0; k < nInfo; k++){
1080 >    info[k].identArray = new int[info[k].n_atoms];
1081 >    for (i = 0; i < info[k].n_atoms; i++){
1082 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1083 >    }
1084    }
1085 + }
1086  
1278  current_mol++;
1279  current_comp_mol++;
1087  
1088 <  if( current_comp_mol >= components_nmol[current_comp] ){
1088 > void SimSetup::createFF(void){
1089 >  switch (ffCase){
1090 >    case FF_DUFF:
1091 >      the_ff = new DUFF();
1092 >      break;
1093  
1094 <    current_comp_mol = 0;
1095 <    current_comp++;
1094 >    case FF_LJ:
1095 >      the_ff = new LJFF();
1096 >      break;
1097 >
1098 >    case FF_EAM:
1099 >      the_ff = new EAM_FF();
1100 >      break;
1101 >
1102 >    default:
1103 >      sprintf(painCave.errMsg,
1104 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1105 >      painCave.isFatal = 1;
1106 >      simError();
1107    }
1108 +
1109 + #ifdef IS_MPI
1110 +  strcpy(checkPointMsg, "ForceField creation successful");
1111 +  MPIcheckPoint();
1112 + #endif // is_mpi
1113   }
1114 +
1115 +
1116 + void SimSetup::compList(void){
1117 +  int i;
1118 +  char* id;
1119 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1120 +  LinkedMolStamp* currentStamp = NULL;
1121 +  comp_stamps = new MoleculeStamp * [n_components];
1122 +
1123 +  // make an array of molecule stamps that match the components used.
1124 +  // also extract the used stamps out into a separate linked list
1125 +
1126 +  for (i = 0; i < nInfo; i++){
1127 +    info[i].nComponents = n_components;
1128 +    info[i].componentsNmol = components_nmol;
1129 +    info[i].compStamps = comp_stamps;
1130 +    info[i].headStamp = headStamp;
1131 +  }
1132 +
1133 +
1134 +  for (i = 0; i < n_components; i++){
1135 +    id = the_components[i]->getType();
1136 +    comp_stamps[i] = NULL;
1137 +
1138 +    // check to make sure the component isn't already in the list
1139 +
1140 +    comp_stamps[i] = headStamp->match(id);
1141 +    if (comp_stamps[i] == NULL){
1142 +      // extract the component from the list;
1143 +
1144 +      currentStamp = stamps->extractMolStamp(id);
1145 +      if (currentStamp == NULL){
1146 +        sprintf(painCave.errMsg,
1147 +                "SimSetup error: Component \"%s\" was not found in the "
1148 +                "list of declared molecules\n",
1149 +                id);
1150 +        painCave.isFatal = 1;
1151 +        simError();
1152 +      }
1153 +
1154 +      headStamp->add(currentStamp);
1155 +      comp_stamps[i] = headStamp->match(id);
1156 +    }
1157 +  }
1158 +
1159 + #ifdef IS_MPI
1160 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1161 +  MPIcheckPoint();
1162 + #endif // is_mpi
1163 + }
1164 +
1165 + void SimSetup::calcSysValues(void){
1166 +  int i;
1167 +
1168 +  int* molMembershipArray;
1169 +
1170 +  tot_atoms = 0;
1171 +  tot_bonds = 0;
1172 +  tot_bends = 0;
1173 +  tot_torsions = 0;
1174 +  for (i = 0; i < n_components; i++){
1175 +    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1176 +    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1177 +    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1178 +    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1179 +  }
1180 +
1181 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1182 +  molMembershipArray = new int[tot_atoms];
1183 +
1184 +  for (i = 0; i < nInfo; i++){
1185 +    info[i].n_atoms = tot_atoms;
1186 +    info[i].n_bonds = tot_bonds;
1187 +    info[i].n_bends = tot_bends;
1188 +    info[i].n_torsions = tot_torsions;
1189 +    info[i].n_SRI = tot_SRI;
1190 +    info[i].n_mol = tot_nmol;
1191 +
1192 +    info[i].molMembershipArray = molMembershipArray;
1193 +  }
1194 + }
1195 +
1196 + #ifdef IS_MPI
1197 +
1198 + void SimSetup::mpiMolDivide(void){
1199 +  int i, j, k;
1200 +  int localMol, allMol;
1201 +  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1202 +
1203 +  mpiSim = new mpiSimulation(info);
1204 +
1205 +  globalIndex = mpiSim->divideLabor();
1206 +
1207 +  // set up the local variables
1208 +
1209 +  mol2proc = mpiSim->getMolToProcMap();
1210 +  molCompType = mpiSim->getMolComponentType();
1211 +
1212 +  allMol = 0;
1213 +  localMol = 0;
1214 +  local_atoms = 0;
1215 +  local_bonds = 0;
1216 +  local_bends = 0;
1217 +  local_torsions = 0;
1218 +  globalAtomIndex = 0;
1219 +
1220 +
1221 +  for (i = 0; i < n_components; i++){
1222 +    for (j = 0; j < components_nmol[i]; j++){
1223 +      if (mol2proc[allMol] == worldRank){
1224 +        local_atoms += comp_stamps[i]->getNAtoms();
1225 +        local_bonds += comp_stamps[i]->getNBonds();
1226 +        local_bends += comp_stamps[i]->getNBends();
1227 +        local_torsions += comp_stamps[i]->getNTorsions();
1228 +        localMol++;
1229 +      }      
1230 +      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1231 +        info[0].molMembershipArray[globalAtomIndex] = allMol;
1232 +        globalAtomIndex++;
1233 +      }
1234 +
1235 +      allMol++;
1236 +    }
1237 +  }
1238 +  local_SRI = local_bonds + local_bends + local_torsions;
1239 +
1240 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1241 +
1242 +  if (local_atoms != info[0].n_atoms){
1243 +    sprintf(painCave.errMsg,
1244 +            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1245 +            " localAtom (%d) are not equal.\n",
1246 +            info[0].n_atoms, local_atoms);
1247 +    painCave.isFatal = 1;
1248 +    simError();
1249 +  }
1250 +
1251 +  info[0].n_bonds = local_bonds;
1252 +  info[0].n_bends = local_bends;
1253 +  info[0].n_torsions = local_torsions;
1254 +  info[0].n_SRI = local_SRI;
1255 +  info[0].n_mol = localMol;
1256 +
1257 +  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1258 +  MPIcheckPoint();
1259 + }
1260 +
1261 + #endif // is_mpi
1262 +
1263 +
1264 + void SimSetup::makeSysArrays(void){
1265 +
1266 + #ifndef IS_MPI
1267 +  int k, j;
1268 + #endif // is_mpi
1269 +  int i, l;
1270 +
1271 +  Atom** the_atoms;
1272 +  Molecule* the_molecules;
1273 +  Exclude** the_excludes;
1274 +
1275 +
1276 +  for (l = 0; l < nInfo; l++){
1277 +    // create the atom and short range interaction arrays
1278 +
1279 +    the_atoms = new Atom * [info[l].n_atoms];
1280 +    the_molecules = new Molecule[info[l].n_mol];
1281 +    int molIndex;
1282 +
1283 +    // initialize the molecule's stampID's
1284 +
1285 + #ifdef IS_MPI
1286 +
1287 +
1288 +    molIndex = 0;
1289 +    for (i = 0; i < mpiSim->getTotNmol(); i++){
1290 +      if (mol2proc[i] == worldRank){
1291 +        the_molecules[molIndex].setStampID(molCompType[i]);
1292 +        the_molecules[molIndex].setMyIndex(molIndex);
1293 +        the_molecules[molIndex].setGlobalIndex(i);
1294 +        molIndex++;
1295 +      }
1296 +    }
1297 +
1298 + #else // is_mpi
1299 +
1300 +    molIndex = 0;
1301 +    globalAtomIndex = 0;
1302 +    for (i = 0; i < n_components; i++){
1303 +      for (j = 0; j < components_nmol[i]; j++){
1304 +        the_molecules[molIndex].setStampID(i);
1305 +        the_molecules[molIndex].setMyIndex(molIndex);
1306 +        the_molecules[molIndex].setGlobalIndex(molIndex);
1307 +        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1308 +          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1309 +          globalAtomIndex++;
1310 +        }
1311 +        molIndex++;
1312 +      }
1313 +    }
1314 +
1315 +
1316 + #endif // is_mpi
1317 +
1318 +
1319 +    if (info[l].n_SRI){
1320 +      Exclude::createArray(info[l].n_SRI);
1321 +      the_excludes = new Exclude * [info[l].n_SRI];
1322 +      for (int ex = 0; ex < info[l].n_SRI; ex++){
1323 +        the_excludes[ex] = new Exclude(ex);
1324 +      }
1325 +      info[l].globalExcludes = new int;
1326 +      info[l].n_exclude = info[l].n_SRI;
1327 +    }
1328 +    else{
1329 +      Exclude::createArray(1);
1330 +      the_excludes = new Exclude * ;
1331 +      the_excludes[0] = new Exclude(0);
1332 +      the_excludes[0]->setPair(0, 0);
1333 +      info[l].globalExcludes = new int;
1334 +      info[l].globalExcludes[0] = 0;
1335 +      info[l].n_exclude = 0;
1336 +    }
1337 +
1338 +    // set the arrays into the SimInfo object
1339 +
1340 +    info[l].atoms = the_atoms;
1341 +    info[l].molecules = the_molecules;
1342 +    info[l].nGlobalExcludes = 0;
1343 +    info[l].excludes = the_excludes;
1344 +
1345 +    the_ff->setSimInfo(info);
1346 +  }
1347 + }
1348 +
1349 + void SimSetup::makeIntegrator(void){
1350 +  int k;
1351 +
1352 +  NVE<RealIntegrator>* myNVE = NULL;
1353 +  NVT<RealIntegrator>* myNVT = NULL;
1354 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1355 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1356 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1357 +  
1358 +  for (k = 0; k < nInfo; k++){
1359 +    switch (ensembleCase){
1360 +      case NVE_ENS:
1361 +        if (globals->haveZconstraints()){
1362 +          setupZConstraint(info[k]);
1363 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1364 +        }
1365 +        else{
1366 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1367 +        }
1368 +        
1369 +        info->the_integrator = myNVE;
1370 +        break;
1371 +
1372 +      case NVT_ENS:
1373 +        if (globals->haveZconstraints()){
1374 +          setupZConstraint(info[k]);
1375 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1376 +        }
1377 +        else
1378 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1379 +
1380 +        myNVT->setTargetTemp(globals->getTargetTemp());
1381 +
1382 +        if (globals->haveTauThermostat())
1383 +          myNVT->setTauThermostat(globals->getTauThermostat());
1384 +        else{
1385 +          sprintf(painCave.errMsg,
1386 +                  "SimSetup error: If you use the NVT\n"
1387 +                  "    ensemble, you must set tauThermostat.\n");
1388 +          painCave.isFatal = 1;
1389 +          simError();
1390 +        }
1391 +
1392 +        info->the_integrator = myNVT;
1393 +        break;
1394 +
1395 +      case NPTi_ENS:
1396 +        if (globals->haveZconstraints()){
1397 +          setupZConstraint(info[k]);
1398 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1399 +        }
1400 +        else
1401 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1402 +
1403 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1404 +
1405 +        if (globals->haveTargetPressure())
1406 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1407 +        else{
1408 +          sprintf(painCave.errMsg,
1409 +                  "SimSetup error: If you use a constant pressure\n"
1410 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1411 +          painCave.isFatal = 1;
1412 +          simError();
1413 +        }
1414 +
1415 +        if (globals->haveTauThermostat())
1416 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1417 +        else{
1418 +          sprintf(painCave.errMsg,
1419 +                  "SimSetup error: If you use an NPT\n"
1420 +                  "    ensemble, you must set tauThermostat.\n");
1421 +          painCave.isFatal = 1;
1422 +          simError();
1423 +        }
1424 +
1425 +        if (globals->haveTauBarostat())
1426 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1427 +        else{
1428 +          sprintf(painCave.errMsg,
1429 +                  "SimSetup error: If you use an NPT\n"
1430 +                  "    ensemble, you must set tauBarostat.\n");
1431 +          painCave.isFatal = 1;
1432 +          simError();
1433 +        }
1434 +
1435 +        info->the_integrator = myNPTi;
1436 +        break;
1437 +
1438 +      case NPTf_ENS:
1439 +        if (globals->haveZconstraints()){
1440 +          setupZConstraint(info[k]);
1441 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1442 +        }
1443 +        else
1444 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1445 +
1446 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1447 +
1448 +        if (globals->haveTargetPressure())
1449 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1450 +        else{
1451 +          sprintf(painCave.errMsg,
1452 +                  "SimSetup error: If you use a constant pressure\n"
1453 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1454 +          painCave.isFatal = 1;
1455 +          simError();
1456 +        }    
1457 +
1458 +        if (globals->haveTauThermostat())
1459 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1460 +        else{
1461 +          sprintf(painCave.errMsg,
1462 +                  "SimSetup error: If you use an NPT\n"
1463 +                  "    ensemble, you must set tauThermostat.\n");
1464 +          painCave.isFatal = 1;
1465 +          simError();
1466 +        }
1467 +
1468 +        if (globals->haveTauBarostat())
1469 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1470 +        else{
1471 +          sprintf(painCave.errMsg,
1472 +                  "SimSetup error: If you use an NPT\n"
1473 +                  "    ensemble, you must set tauBarostat.\n");
1474 +          painCave.isFatal = 1;
1475 +          simError();
1476 +        }
1477 +
1478 +        info->the_integrator = myNPTf;
1479 +        break;
1480 +
1481 +      case NPTxyz_ENS:
1482 +        if (globals->haveZconstraints()){
1483 +          setupZConstraint(info[k]);
1484 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1485 +        }
1486 +        else
1487 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1488 +
1489 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1490 +
1491 +        if (globals->haveTargetPressure())
1492 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1493 +        else{
1494 +          sprintf(painCave.errMsg,
1495 +                  "SimSetup error: If you use a constant pressure\n"
1496 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1497 +          painCave.isFatal = 1;
1498 +          simError();
1499 +        }    
1500 +
1501 +        if (globals->haveTauThermostat())
1502 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1503 +        else{
1504 +          sprintf(painCave.errMsg,
1505 +                  "SimSetup error: If you use an NPT\n"
1506 +                  "    ensemble, you must set tauThermostat.\n");
1507 +          painCave.isFatal = 1;
1508 +          simError();
1509 +        }
1510 +
1511 +        if (globals->haveTauBarostat())
1512 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1513 +        else{
1514 +          sprintf(painCave.errMsg,
1515 +                  "SimSetup error: If you use an NPT\n"
1516 +                  "    ensemble, you must set tauBarostat.\n");
1517 +          painCave.isFatal = 1;
1518 +          simError();
1519 +        }
1520 +
1521 +        info->the_integrator = myNPTxyz;
1522 +        break;
1523 +
1524 +      default:
1525 +        sprintf(painCave.errMsg,
1526 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1527 +        painCave.isFatal = 1;
1528 +        simError();
1529 +    }
1530 +  }
1531 + }
1532 +
1533 + void SimSetup::initFortran(void){
1534 +  info[0].refreshSim();
1535 +
1536 +  if (!strcmp(info[0].mixingRule, "standard")){
1537 +    the_ff->initForceField(LB_MIXING_RULE);
1538 +  }
1539 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1540 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1541 +  }
1542 +  else{
1543 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1544 +            info[0].mixingRule);
1545 +    painCave.isFatal = 1;
1546 +    simError();
1547 +  }
1548 +
1549 +
1550 + #ifdef IS_MPI
1551 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1552 +  MPIcheckPoint();
1553 + #endif // is_mpi
1554 + }
1555 +
1556 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1557 +  int nZConstraints;
1558 +  ZconStamp** zconStamp;
1559 +
1560 +  if (globals->haveZconstraintTime()){
1561 +    //add sample time of z-constraint  into SimInfo's property list                    
1562 +    DoubleData* zconsTimeProp = new DoubleData();
1563 +    zconsTimeProp->setID(ZCONSTIME_ID);
1564 +    zconsTimeProp->setData(globals->getZconsTime());
1565 +    theInfo.addProperty(zconsTimeProp);
1566 +  }
1567 +  else{
1568 +    sprintf(painCave.errMsg,
1569 +            "ZConstraint error: If you use an ZConstraint\n"
1570 +            " , you must set sample time.\n");
1571 +    painCave.isFatal = 1;
1572 +    simError();
1573 +  }
1574 +
1575 +  //push zconsTol into siminfo, if user does not specify
1576 +  //value for zconsTol, a default value will be used
1577 +  DoubleData* zconsTol = new DoubleData();
1578 +  zconsTol->setID(ZCONSTOL_ID);
1579 +  if (globals->haveZconsTol()){
1580 +    zconsTol->setData(globals->getZconsTol());
1581 +  }
1582 +  else{
1583 +    double defaultZConsTol = 0.01;
1584 +    sprintf(painCave.errMsg,
1585 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1586 +            " , default value %f is used.\n",
1587 +            defaultZConsTol);
1588 +    painCave.isFatal = 0;
1589 +    simError();      
1590 +
1591 +    zconsTol->setData(defaultZConsTol);
1592 +  }
1593 +  theInfo.addProperty(zconsTol);
1594 +
1595 +  //set Force Subtraction Policy
1596 +  StringData* zconsForcePolicy = new StringData();
1597 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1598 +
1599 +  if (globals->haveZconsForcePolicy()){
1600 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1601 +  }
1602 +  else{
1603 +    sprintf(painCave.errMsg,
1604 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1605 +            "PolicyByMass is used\n");
1606 +    painCave.isFatal = 0;
1607 +    simError();
1608 +    zconsForcePolicy->setData("BYMASS");
1609 +  }
1610 +
1611 +  theInfo.addProperty(zconsForcePolicy);
1612 +
1613 +  //Determine the name of ouput file and add it into SimInfo's property list
1614 +  //Be careful, do not use inFileName, since it is a pointer which
1615 +  //point to a string at master node, and slave nodes do not contain that string
1616 +
1617 +  string zconsOutput(theInfo.finalName);
1618 +
1619 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1620 +
1621 +  StringData* zconsFilename = new StringData();
1622 +  zconsFilename->setID(ZCONSFILENAME_ID);
1623 +  zconsFilename->setData(zconsOutput);
1624 +
1625 +  theInfo.addProperty(zconsFilename);
1626 +
1627 +  //setup index, pos and other parameters of z-constraint molecules
1628 +  nZConstraints = globals->getNzConstraints();
1629 +  theInfo.nZconstraints = nZConstraints;
1630 +
1631 +  zconStamp = globals->getZconStamp();
1632 +  ZConsParaItem tempParaItem;
1633 +
1634 +  ZConsParaData* zconsParaData = new ZConsParaData();
1635 +  zconsParaData->setID(ZCONSPARADATA_ID);
1636 +
1637 +  for (int i = 0; i < nZConstraints; i++){
1638 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1639 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1640 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1641 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1642 +
1643 +    zconsParaData->addItem(tempParaItem);
1644 +  }
1645 +
1646 +  //check the uniqueness of index  
1647 +  if(!zconsParaData->isIndexUnique()){
1648 +    sprintf(painCave.errMsg,
1649 +            "ZConstraint Error: molIndex is not unique\n");
1650 +    painCave.isFatal = 1;
1651 +    simError();
1652 +  }
1653 +
1654 +  //sort the parameters by index of molecules
1655 +  zconsParaData->sortByIndex();
1656 +  
1657 +  //push data into siminfo, therefore, we can retrieve later
1658 +  theInfo.addProperty(zconsParaData);
1659 + }

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