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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 582 by mmeineke, Wed Jul 9 15:33:46 2003 UTC vs.
Revision 811 by mmeineke, Tue Oct 21 19:33:19 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 NVE_ENS        0
22 > #define NVT_ENS        1
23 > #define NPTi_ENS       2
24 > #define NPTf_ENS       3
25  
22
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 39 | 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();
71 <    mpiEventLoop();
72 <
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;
80 <  Globals* the_globals;
81 <  int i, j, k, globalAtomIndex;
82 <  
83 <  int ensembleCase;
84 <  int ffCase;
85 <  
86 <  ensembleCase = -1;
87 <  ffCase = -1;
94 >  // gather all of the information from the Bass file
95  
96 <  // get the stamps and globals;
90 <  the_stamps = stamps;
91 <  the_globals = globals;
96 >  gatherInfo();
97  
98 <  // set the easy ones first
94 <  simnfo->target_temp = the_globals->getTargetTemp();
95 <  simnfo->dt = the_globals->getDt();
96 <  simnfo->run_time = the_globals->getRunTime();
98 >  // creation of complex system objects
99  
100 <  // get the ones we know are there, yet still may need some work.
99 <  n_components = the_globals->getNComponents();
100 <  strcpy( force_field, the_globals->getForceField() );
100 >  sysObjectsCreation();
101  
102 <  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
103 <  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
104 <  else{
105 <    sprintf( painCave.errMsg,
106 <             "SimSetup Error. Unrecognized force field -> %s\n",
107 <             force_field );
108 <    painCave.isFatal = 1;
109 <    simError();
110 <  }
102 >  // check on the post processing info
103  
104 <  // get the ensemble:
113 <  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;
110 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
111 <  else{
112 <    sprintf( painCave.errMsg,
122 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
123 <             "reverting to NVE for this simulation.\n",
124 <             ensemble );
125 <    painCave.isFatal = 0;
126 <    simError();
127 <    strcpy( ensemble, "NVE" );
128 <    ensembleCase = NVE_ENS;
106 >  // initialize the system coordinates
107 >
108 >  if (!isInfoArray){
109 >    initSystemCoords();
110 >
111 >    if( !(globals->getUseInitTime()) )
112 >      info[0].currentTime = 0.0;
113    }  
130  strcpy( simnfo->ensemble, ensemble );
114  
115 +  // make the output filenames
116  
117 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
134 < //     the_extendedsystem = new ExtendedSystem( simnfo );
135 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
136 < //     if (the_globals->haveTargetPressure())
137 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
138 < //     else {
139 < //       sprintf( painCave.errMsg,
140 < //                "SimSetup error: If you use the constant pressure\n"
141 < //                "    ensemble, you must set targetPressure.\n"
142 < //                "    This was found in the BASS file.\n");
143 < //       painCave.isFatal = 1;
144 < //       simError();
145 < //     }
117 >  makeOutNames();
118  
119 < //     if (the_globals->haveTauThermostat())
148 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
149 < //     else if (the_globals->haveQmass())
150 < //       the_extendedsystem->setQmass(the_globals->getQmass());
151 < //     else {
152 < //       sprintf( painCave.errMsg,
153 < //                "SimSetup error: If you use one of the constant temperature\n"
154 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
155 < //                "    Neither of these was found in the BASS file.\n");
156 < //       painCave.isFatal = 1;
157 < //       simError();
158 < //     }
119 >  // make the integrator
120  
121 < //     if (the_globals->haveTauBarostat())
161 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
162 < //     else {
163 < //       sprintf( painCave.errMsg,
164 < //                "SimSetup error: If you use the constant pressure\n"
165 < //                "    ensemble, you must set tauBarostat.\n"
166 < //                "    This was found in the BASS file.\n");
167 < //       painCave.isFatal = 1;
168 < //       simError();
169 < //     }
121 >  makeIntegrator();
122  
123 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
124 < //     the_extendedsystem = new ExtendedSystem( simnfo );
125 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
123 > #ifdef IS_MPI
124 >  mpiSim->mpiRefresh();
125 > #endif
126  
127 < //     if (the_globals->haveTauThermostat())
176 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
177 < //     else if (the_globals->haveQmass())
178 < //       the_extendedsystem->setQmass(the_globals->getQmass());
179 < //     else {
180 < //       sprintf( painCave.errMsg,
181 < //                "SimSetup error: If you use one of the constant temperature\n"
182 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
183 < //                "    Neither of these was found in the BASS file.\n");
184 < //       painCave.isFatal = 1;
185 < //       simError();
186 < //     }
127 >  // initialize the Fortran
128  
129 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
130 <  simnfo->usePBC = the_globals->getPBC();
190 <          
191 <  int usesDipoles = 0;
192 <  switch( ffCase ){
129 >  initFortran();
130 > }
131  
194  case FF_DUFF:
195    the_ff = new DUFF();
196    usesDipoles = 1;
197    break;
132  
133 <  case FF_LJ:
134 <    the_ff = new LJFF();
135 <    break;
133 > void SimSetup::makeMolecules(void){
134 >  int k;
135 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
136 >  molInit molInfo;
137 >  DirectionalAtom* dAtom;
138 >  LinkedAssign* extras;
139 >  LinkedAssign* current_extra;
140 >  AtomStamp* currentAtom;
141 >  BondStamp* currentBond;
142 >  BendStamp* currentBend;
143 >  TorsionStamp* currentTorsion;
144  
145 <  default:
146 <    sprintf( painCave.errMsg,
147 <             "SimSetup Error. Unrecognized force field in case statement.\n");
206 <    painCave.isFatal = 1;
207 <    simError();
208 <  }
145 >  bond_pair* theBonds;
146 >  bend_set* theBends;
147 >  torsion_set* theTorsions;
148  
210 #ifdef IS_MPI
211  strcpy( checkPointMsg, "ForceField creation successful" );
212  MPIcheckPoint();
213 #endif // is_mpi
149  
150 <  // get the components and calculate the tot_nMol and indvidual n_mol
216 <  the_components = the_globals->getComponents();
217 <  components_nmol = new int[n_components];
218 <  comp_stamps = new MoleculeStamp*[n_components];
150 >  //init the forceField paramters
151  
152 <  if( !the_globals->haveNMol() ){
221 <    // we don't have the total number of molecules, so we assume it is
222 <    // given in each component
152 >  the_ff->readParams();
153  
224    tot_nmol = 0;
225    for( i=0; i<n_components; i++ ){
154  
155 <      if( !the_components[i]->haveNMol() ){
228 <        // we have a problem
229 <        sprintf( painCave.errMsg,
230 <                 "SimSetup Error. No global NMol or component NMol"
231 <                 " given. Cannot calculate the number of atoms.\n" );
232 <        painCave.isFatal = 1;
233 <        simError();
234 <      }
155 >  // init the atoms
156  
157 <      tot_nmol += the_components[i]->getNMol();
237 <      components_nmol[i] = the_components[i]->getNMol();
238 <    }
239 <  }
240 <  else{
241 <    sprintf( painCave.errMsg,
242 <             "SimSetup error.\n"
243 <             "\tSorry, the ability to specify total"
244 <             " nMols and then give molfractions in the components\n"
245 <             "\tis not currently supported."
246 <             " Please give nMol in the components.\n" );
247 <    painCave.isFatal = 1;
248 <    simError();
249 <    
250 <    
251 <    //     tot_nmol = the_globals->getNMol();
252 <    
253 <    //   //we have the total number of molecules, now we check for molfractions
254 <    //     for( i=0; i<n_components; i++ ){
255 <    
256 <    //       if( !the_components[i]->haveMolFraction() ){
257 <    
258 <    //  if( !the_components[i]->haveNMol() ){
259 <    //    //we have a problem
260 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
261 <    //              << " nMol was given in component
262 <    
263 <  }
157 >  double ux, uy, uz, u, uSqr;
158  
159 < #ifdef IS_MPI
160 <  strcpy( checkPointMsg, "Have the number of components" );
267 <  MPIcheckPoint();
268 < #endif // is_mpi
159 >  for (k = 0; k < nInfo; k++){
160 >    the_ff->setSimInfo(&(info[k]));
161  
162 <  // make an array of molecule stamps that match the components used.
163 <  // also extract the used stamps out into a separate linked list
162 >    atomOffset = 0;
163 >    excludeOffset = 0;
164 >    for (i = 0; i < info[k].n_mol; i++){
165 >      stampID = info[k].molecules[i].getStampID();
166  
167 <  simnfo->nComponents = n_components;
168 <  simnfo->componentsNmol = components_nmol;
169 <  simnfo->compStamps = comp_stamps;
170 <  simnfo->headStamp = new LinkedMolStamp();
171 <  
278 <  char* id;
279 <  LinkedMolStamp* headStamp = simnfo->headStamp;
280 <  LinkedMolStamp* currentStamp = NULL;
281 <  for( i=0; i<n_components; i++ ){
167 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
168 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
169 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
170 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
171 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
172  
173 <    id = the_components[i]->getType();
174 <    comp_stamps[i] = NULL;
175 <    
176 <    // check to make sure the component isn't already in the list
173 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
174 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
175 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
176 >      molInfo.myBends = new Bend * [molInfo.nBends];
177 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
178  
179 <    comp_stamps[i] = headStamp->match( id );
180 <    if( comp_stamps[i] == NULL ){
181 <      
291 <      // extract the component from the list;
292 <      
293 <      currentStamp = the_stamps->extractMolStamp( id );
294 <      if( currentStamp == NULL ){
295 <        sprintf( painCave.errMsg,
296 <                 "SimSetup error: Component \"%s\" was not found in the "
297 <                 "list of declared molecules\n",
298 <                 id );
299 <        painCave.isFatal = 1;
300 <        simError();
301 <      }
302 <      
303 <      headStamp->add( currentStamp );
304 <      comp_stamps[i] = headStamp->match( id );
305 <    }
306 <  }
179 >      theBonds = new bond_pair[molInfo.nBonds];
180 >      theBends = new bend_set[molInfo.nBends];
181 >      theTorsions = new torsion_set[molInfo.nTorsions];
182  
183 < #ifdef IS_MPI
309 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
310 <  MPIcheckPoint();
311 < #endif // is_mpi
312 <  
183 >      // make the Atoms
184  
185 +      for (j = 0; j < molInfo.nAtoms; j++){
186 +        currentAtom = comp_stamps[stampID]->getAtom(j);
187 +        if (currentAtom->haveOrientation()){
188 +          dAtom = new DirectionalAtom((j + atomOffset),
189 +                                      info[k].getConfiguration());
190 +          info[k].n_oriented++;
191 +          molInfo.myAtoms[j] = dAtom;
192  
193 +          ux = currentAtom->getOrntX();
194 +          uy = currentAtom->getOrntY();
195 +          uz = currentAtom->getOrntZ();
196  
197 <  // caclulate the number of atoms, bonds, bends and torsions
197 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
198  
199 <  tot_atoms = 0;
200 <  tot_bonds = 0;
201 <  tot_bends = 0;
202 <  tot_torsions = 0;
322 <  for( i=0; i<n_components; i++ ){
323 <    
324 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
325 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
326 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
327 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
328 <  }
199 >          u = sqrt(uSqr);
200 >          ux = ux / u;
201 >          uy = uy / u;
202 >          uz = uz / u;
203  
204 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
204 >          dAtom->setSUx(ux);
205 >          dAtom->setSUy(uy);
206 >          dAtom->setSUz(uz);
207 >        }
208 >        else{
209 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
210 >                                               info[k].getConfiguration());
211 >        }
212 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
213  
332  simnfo->n_atoms = tot_atoms;
333  simnfo->n_bonds = tot_bonds;
334  simnfo->n_bends = tot_bends;
335  simnfo->n_torsions = tot_torsions;
336  simnfo->n_SRI = tot_SRI;
337  simnfo->n_mol = tot_nmol;
338  
339  simnfo->molMembershipArray = new int[tot_atoms];
340
214   #ifdef IS_MPI
215  
216 <  // divide the molecules among processors here.
344 <  
345 <  mpiSim = new mpiSimulation( simnfo );
346 <  
347 <  globalIndex = mpiSim->divideLabor();
216 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
217  
218 <  // set up the local variables
219 <  
351 <  int localMol, allMol;
352 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
218 > #endif // is_mpi
219 >      }
220  
221 <  int* mol2proc = mpiSim->getMolToProcMap();
222 <  int* molCompType = mpiSim->getMolComponentType();
223 <  
224 <  allMol = 0;
225 <  localMol = 0;
359 <  local_atoms = 0;
360 <  local_bonds = 0;
361 <  local_bends = 0;
362 <  local_torsions = 0;
363 <  globalAtomIndex = 0;
221 >      // make the bonds
222 >      for (j = 0; j < molInfo.nBonds; j++){
223 >        currentBond = comp_stamps[stampID]->getBond(j);
224 >        theBonds[j].a = currentBond->getA() + atomOffset;
225 >        theBonds[j].b = currentBond->getB() + atomOffset;
226  
227 +        exI = theBonds[j].a;
228 +        exJ = theBonds[j].b;
229  
230 <  for( i=0; i<n_components; i++ ){
230 >        // exclude_I must always be the smaller of the pair
231 >        if (exI > exJ){
232 >          tempEx = exI;
233 >          exI = exJ;
234 >          exJ = tempEx;
235 >        }
236 > #ifdef IS_MPI
237 >        tempEx = exI;
238 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
239 >        tempEx = exJ;
240 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
241  
242 <    for( j=0; j<components_nmol[i]; j++ ){
243 <      
244 <      if( mol2proc[allMol] == worldRank ){
245 <        
246 <        local_atoms +=    comp_stamps[i]->getNAtoms();
373 <        local_bonds +=    comp_stamps[i]->getNBonds();
374 <        local_bends +=    comp_stamps[i]->getNBends();
375 <        local_torsions += comp_stamps[i]->getNTorsions();
376 <        localMol++;
377 <      }      
378 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
379 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
380 <        globalAtomIndex++;
242 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
243 > #else  // isn't MPI
244 >
245 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
246 > #endif  //is_mpi
247        }
248 +      excludeOffset += molInfo.nBonds;
249  
250 <      allMol++;      
251 <    }
252 <  }
253 <  local_SRI = local_bonds + local_bends + local_torsions;
254 <  
255 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
389 <  
390 <  if( local_atoms != simnfo->n_atoms ){
391 <    sprintf( painCave.errMsg,
392 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
393 <             " localAtom (%d) are not equal.\n",
394 <             simnfo->n_atoms,
395 <             local_atoms );
396 <    painCave.isFatal = 1;
397 <    simError();
398 <  }
250 >      //make the bends
251 >      for (j = 0; j < molInfo.nBends; j++){
252 >        currentBend = comp_stamps[stampID]->getBend(j);
253 >        theBends[j].a = currentBend->getA() + atomOffset;
254 >        theBends[j].b = currentBend->getB() + atomOffset;
255 >        theBends[j].c = currentBend->getC() + atomOffset;
256  
257 <  simnfo->n_bonds = local_bonds;
258 <  simnfo->n_bends = local_bends;
259 <  simnfo->n_torsions = local_torsions;
403 <  simnfo->n_SRI = local_SRI;
404 <  simnfo->n_mol = localMol;
257 >        if (currentBend->haveExtras()){
258 >          extras = currentBend->getExtras();
259 >          current_extra = extras;
260  
261 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
262 <  MPIcheckPoint();
263 <  
264 <  
265 < #endif // is_mpi
266 <  
261 >          while (current_extra != NULL){
262 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
263 >              switch (current_extra->getType()){
264 >                case 0:
265 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
266 >                  theBends[j].isGhost = 1;
267 >                  break;
268  
269 <  // create the atom and short range interaction arrays
269 >                case 1:
270 >                  theBends[j].ghost = (int) current_extra->getDouble() +
271 >                                      atomOffset;
272 >                  theBends[j].isGhost = 1;
273 >                  break;
274  
275 <  Atom::createArrays(simnfo->n_atoms);
276 <  the_atoms = new Atom*[simnfo->n_atoms];
277 <  the_molecules = new Molecule[simnfo->n_mol];
278 <  int molIndex;
275 >                default:
276 >                  sprintf(painCave.errMsg,
277 >                          "SimSetup Error: ghostVectorSource was neither a "
278 >                          "double nor an int.\n"
279 >                          "-->Bend[%d] in %s\n",
280 >                          j, comp_stamps[stampID]->getID());
281 >                  painCave.isFatal = 1;
282 >                  simError();
283 >              }
284 >            }
285 >            else{
286 >              sprintf(painCave.errMsg,
287 >                      "SimSetup Error: unhandled bend assignment:\n"
288 >                      "    -->%s in Bend[%d] in %s\n",
289 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
290 >              painCave.isFatal = 1;
291 >              simError();
292 >            }
293  
294 <  // initialize the molecule's stampID's
294 >            current_extra = current_extra->getNext();
295 >          }
296 >        }
297  
298 +        if (!theBends[j].isGhost){
299 +          exI = theBends[j].a;
300 +          exJ = theBends[j].c;
301 +        }
302 +        else{
303 +          exI = theBends[j].a;
304 +          exJ = theBends[j].b;
305 +        }
306 +
307 +        // exclude_I must always be the smaller of the pair
308 +        if (exI > exJ){
309 +          tempEx = exI;
310 +          exI = exJ;
311 +          exJ = tempEx;
312 +        }
313   #ifdef IS_MPI
314 <  
314 >        tempEx = exI;
315 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
316 >        tempEx = exJ;
317 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
318  
319 <  molIndex = 0;
320 <  for(i=0; i<mpiSim->getTotNmol(); i++){
321 <    
322 <    if(mol2proc[i] == worldRank ){
323 <      the_molecules[molIndex].setStampID( molCompType[i] );
324 <      the_molecules[molIndex].setMyIndex( molIndex );
431 <      the_molecules[molIndex].setGlobalIndex( i );
432 <      molIndex++;
433 <    }
434 <  }
319 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
320 > #else  // isn't MPI
321 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
322 > #endif  //is_mpi
323 >      }
324 >      excludeOffset += molInfo.nBends;
325  
326 < #else // is_mpi
327 <  
328 <  molIndex = 0;
329 <  globalAtomIndex = 0;
330 <  for(i=0; i<n_components; i++){
331 <    for(j=0; j<components_nmol[i]; j++ ){
442 <      the_molecules[molIndex].setStampID( i );
443 <      the_molecules[molIndex].setMyIndex( molIndex );
444 <      the_molecules[molIndex].setGlobalIndex( molIndex );
445 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
446 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
447 <        globalAtomIndex++;
448 <      }
449 <      molIndex++;
450 <    }
451 <  }
452 <    
326 >      for (j = 0; j < molInfo.nTorsions; j++){
327 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
328 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
329 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
330 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
331 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
332  
333 < #endif // is_mpi
333 >        exI = theTorsions[j].a;
334 >        exJ = theTorsions[j].d;
335  
336 +        // exclude_I must always be the smaller of the pair
337 +        if (exI > exJ){
338 +          tempEx = exI;
339 +          exI = exJ;
340 +          exJ = tempEx;
341 +        }
342 + #ifdef IS_MPI
343 +        tempEx = exI;
344 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
345 +        tempEx = exJ;
346 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
347  
348 <  if( simnfo->n_SRI ){
349 <    
350 <    Exclude::createArray(simnfo->n_SRI);
351 <    the_excludes = new Exclude*[simnfo->n_SRI];
352 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
353 <    simnfo->globalExcludes = new int;
463 <    simnfo->n_exclude = simnfo->n_SRI;
464 <  }
465 <  else{
466 <    
467 <    Exclude::createArray( 1 );
468 <    the_excludes = new Exclude*;
469 <    the_excludes[0] = new Exclude(0);
470 <    the_excludes[0]->setPair( 0,0 );
471 <    simnfo->globalExcludes = new int;
472 <    simnfo->globalExcludes[0] = 0;
473 <    simnfo->n_exclude = 0;
474 <  }
348 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
349 > #else  // isn't MPI
350 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
351 > #endif  //is_mpi
352 >      }
353 >      excludeOffset += molInfo.nTorsions;
354  
476  // set the arrays into the SimInfo object
355  
356 <  simnfo->atoms = the_atoms;
479 <  simnfo->molecules = the_molecules;
480 <  simnfo->nGlobalExcludes = 0;
481 <  simnfo->excludes = the_excludes;
356 >      // send the arrays off to the forceField for init.
357  
358 +      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
359 +      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
360 +      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
361 +      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
362 +                                 theTorsions);
363  
484  // get some of the tricky things that may still be in the globals
364  
365 <  double boxVector[3];
487 <  if( the_globals->haveBox() ){
488 <    boxVector[0] = the_globals->getBox();
489 <    boxVector[1] = the_globals->getBox();
490 <    boxVector[2] = the_globals->getBox();
491 <    
492 <    simnfo->setBox( boxVector );
493 <  }
494 <  else if( the_globals->haveDensity() ){
365 >      info[k].molecules[i].initialize(molInfo);
366  
496    double vol;
497    vol = (double)tot_nmol / the_globals->getDensity();
498     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
499     boxVector[1] = boxVector[0];
500     boxVector[2] = boxVector[0];
367  
368 <    simnfo->setBox( boxVector );
369 <  }
370 <  else{
371 <    if( !the_globals->haveBoxX() ){
506 <      sprintf( painCave.errMsg,
507 <               "SimSetup error, no periodic BoxX size given.\n" );
508 <      painCave.isFatal = 1;
509 <      simError();
368 >      atomOffset += molInfo.nAtoms;
369 >      delete[] theBonds;
370 >      delete[] theBends;
371 >      delete[] theTorsions;
372      }
511    boxVector[0] = the_globals->getBoxX();
512
513    if( !the_globals->haveBoxY() ){
514      sprintf( painCave.errMsg,
515               "SimSetup error, no periodic BoxY size given.\n" );
516      painCave.isFatal = 1;
517      simError();
518    }
519    boxVector[1] = the_globals->getBoxY();
520
521    if( !the_globals->haveBoxZ() ){
522      sprintf( painCave.errMsg,
523               "SimSetup error, no periodic BoxZ size given.\n" );
524      painCave.isFatal = 1;
525      simError();
526    }
527    boxVector[2] = the_globals->getBoxZ();
528
529    simnfo->setBox( boxVector );
373    }
374  
375   #ifdef IS_MPI
376 <  strcpy( checkPointMsg, "Box size set up" );
376 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
377    MPIcheckPoint();
378   #endif // is_mpi
379  
380 +  // clean up the forcefield
381  
382 <  // initialize the arrays
382 >  the_ff->calcRcut();
383 >  the_ff->cleanMe();
384 > }
385  
386 <  the_ff->setSimInfo( simnfo );
386 > void SimSetup::initFromBass(void){
387 >  int i, j, k;
388 >  int n_cells;
389 >  double cellx, celly, cellz;
390 >  double temp1, temp2, temp3;
391 >  int n_per_extra;
392 >  int n_extra;
393 >  int have_extra, done;
394  
395 <  makeMolecules();
396 <  simnfo->identArray = new int[simnfo->n_atoms];
397 <  for(i=0; i<simnfo->n_atoms; i++){
398 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
546 <  }
547 <  
548 <  if (the_globals->getUseRF() ) {
549 <    simnfo->useReactionField = 1;
550 <  
551 <    if( !the_globals->haveECR() ){
552 <      sprintf( painCave.errMsg,
553 <               "SimSetup Warning: using default value of 1/2 the smallest "
554 <               "box length for the electrostaticCutoffRadius.\n"
555 <               "I hope you have a very fast processor!\n");
556 <      painCave.isFatal = 0;
557 <      simError();
558 <      double smallest;
559 <      smallest = simnfo->boxLx;
560 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
561 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
562 <      simnfo->ecr = 0.5 * smallest;
563 <    } else {
564 <      simnfo->ecr        = the_globals->getECR();
565 <    }
395 >  double vel[3];
396 >  vel[0] = 0.0;
397 >  vel[1] = 0.0;
398 >  vel[2] = 0.0;
399  
400 <    if( !the_globals->haveEST() ){
401 <      sprintf( painCave.errMsg,
402 <               "SimSetup Warning: using default value of 0.05 * the "
403 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
404 <               );
405 <      painCave.isFatal = 0;
406 <      simError();
407 <      simnfo->est = 0.05 * simnfo->ecr;
408 <    } else {
409 <      simnfo->est        = the_globals->getEST();
410 <    }
411 <    
412 <    if(!the_globals->haveDielectric() ){
413 <      sprintf( painCave.errMsg,
414 <               "SimSetup Error: You are trying to use Reaction Field without"
415 <               "setting a dielectric constant!\n"
416 <               );
400 >  temp1 = (double) tot_nmol / 4.0;
401 >  temp2 = pow(temp1, (1.0 / 3.0));
402 >  temp3 = ceil(temp2);
403 >
404 >  have_extra = 0;
405 >  if (temp2 < temp3){
406 >    // we have a non-complete lattice
407 >    have_extra = 1;
408 >
409 >    n_cells = (int) temp3 - 1;
410 >    cellx = info[0].boxL[0] / temp3;
411 >    celly = info[0].boxL[1] / temp3;
412 >    cellz = info[0].boxL[2] / temp3;
413 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
414 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
415 >    n_per_extra = (int) ceil(temp1);
416 >
417 >    if (n_per_extra > 4){
418 >      sprintf(painCave.errMsg,
419 >              "SimSetup error. There has been an error in constructing"
420 >              " the non-complete lattice.\n");
421        painCave.isFatal = 1;
422        simError();
423      }
424 <    simnfo->dielectric = the_globals->getDielectric();  
425 <  } else {
426 <    if (usesDipoles) {
427 <      
428 <      if( !the_globals->haveECR() ){
429 <        sprintf( painCave.errMsg,
430 <                 "SimSetup Warning: using default value of 1/2 the smallest "
431 <                 "box length for the electrostaticCutoffRadius.\n"
432 <                 "I hope you have a very fast processor!\n");
433 <        painCave.isFatal = 0;
434 <        simError();
435 <        double smallest;
436 <        smallest = simnfo->boxLx;
437 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
438 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
439 <        simnfo->ecr = 0.5 * smallest;
440 <      } else {
441 <        simnfo->ecr        = the_globals->getECR();
424 >  }
425 >  else{
426 >    n_cells = (int) temp3;
427 >    cellx = info[0].boxL[0] / temp3;
428 >    celly = info[0].boxL[1] / temp3;
429 >    cellz = info[0].boxL[2] / temp3;
430 >  }
431 >
432 >  current_mol = 0;
433 >  current_comp_mol = 0;
434 >  current_comp = 0;
435 >  current_atom_ndx = 0;
436 >
437 >  for (i = 0; i < n_cells ; i++){
438 >    for (j = 0; j < n_cells; j++){
439 >      for (k = 0; k < n_cells; k++){
440 >        makeElement(i * cellx, j * celly, k * cellz);
441 >
442 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
443 >
444 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
445 >
446 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
447        }
606      
607      if( !the_globals->haveEST() ){
608        sprintf( painCave.errMsg,
609                 "SimSetup Warning: using default value of 5%% of the "
610                 "electrostaticCutoffRadius for the "
611                 "electrostaticSkinThickness\n"
612                 );
613        painCave.isFatal = 0;
614        simError();
615        simnfo->est = 0.05 * simnfo->ecr;
616      } else {
617        simnfo->est        = the_globals->getEST();
618      }
448      }
449 <  }  
449 >  }
450  
451 < #ifdef IS_MPI
452 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
624 <  MPIcheckPoint();
625 < #endif // is_mpi
451 >  if (have_extra){
452 >    done = 0;
453  
454 < if( the_globals->haveInitialConfig() ){
455 <
456 <     InitializeFromFile* fileInit;
457 < #ifdef IS_MPI // is_mpi
458 <     if( worldRank == 0 ){
459 < #endif //is_mpi
460 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
461 < #ifdef IS_MPI
462 <     }else fileInit = new InitializeFromFile( NULL );
463 < #endif
464 <   fileInit->read_xyz( simnfo ); // default velocities on
454 >    int start_ndx;
455 >    for (i = 0; i < (n_cells + 1) && !done; i++){
456 >      for (j = 0; j < (n_cells + 1) && !done; j++){
457 >        if (i < n_cells){
458 >          if (j < n_cells){
459 >            start_ndx = n_cells;
460 >          }
461 >          else
462 >            start_ndx = 0;
463 >        }
464 >        else
465 >          start_ndx = 0;
466  
467 <   delete fileInit;
468 < }
469 < else{
467 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
468 >          makeElement(i * cellx, j * celly, k * cellz);
469 >          done = (current_mol >= tot_nmol);
470  
471 < #ifdef IS_MPI
471 >          if (!done && n_per_extra > 1){
472 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
473 >                        k * cellz);
474 >            done = (current_mol >= tot_nmol);
475 >          }
476  
477 <  // no init from bass
478 <  
479 <  sprintf( painCave.errMsg,
480 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
481 <  painCave.isFatal;
650 <  simError();
651 <  
652 < #else
477 >          if (!done && n_per_extra > 2){
478 >            makeElement(i * cellx, j * celly + 0.5 * celly,
479 >                        k * cellz + 0.5 * cellz);
480 >            done = (current_mol >= tot_nmol);
481 >          }
482  
483 <  initFromBass();
484 <
485 <
486 < #endif
487 < }
488 <
660 < #ifdef IS_MPI
661 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
662 <  MPIcheckPoint();
663 < #endif // is_mpi
664 <
665 <
666 <  
667 <
668 <  
669 <
670 <  
671 < #ifdef IS_MPI
672 <  if( worldRank == 0 ){
673 < #endif // is_mpi
674 <    
675 <    if( the_globals->haveFinalConfig() ){
676 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
677 <    }
678 <    else{
679 <      strcpy( simnfo->finalName, inFileName );
680 <      char* endTest;
681 <      int nameLength = strlen( simnfo->finalName );
682 <      endTest = &(simnfo->finalName[nameLength - 5]);
683 <      if( !strcmp( endTest, ".bass" ) ){
684 <        strcpy( endTest, ".eor" );
483 >          if (!done && n_per_extra > 3){
484 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
485 >                        k * cellz + 0.5 * cellz);
486 >            done = (current_mol >= tot_nmol);
487 >          }
488 >        }
489        }
686      else if( !strcmp( endTest, ".BASS" ) ){
687        strcpy( endTest, ".eor" );
688      }
689      else{
690        endTest = &(simnfo->finalName[nameLength - 4]);
691        if( !strcmp( endTest, ".bss" ) ){
692          strcpy( endTest, ".eor" );
693        }
694        else if( !strcmp( endTest, ".mdl" ) ){
695          strcpy( endTest, ".eor" );
696        }
697        else{
698          strcat( simnfo->finalName, ".eor" );
699        }
700      }
490      }
702    
703    // make the sample and status out names
704    
705    strcpy( simnfo->sampleName, inFileName );
706    char* endTest;
707    int nameLength = strlen( simnfo->sampleName );
708    endTest = &(simnfo->sampleName[nameLength - 5]);
709    if( !strcmp( endTest, ".bass" ) ){
710      strcpy( endTest, ".dump" );
711    }
712    else if( !strcmp( endTest, ".BASS" ) ){
713      strcpy( endTest, ".dump" );
714    }
715    else{
716      endTest = &(simnfo->sampleName[nameLength - 4]);
717      if( !strcmp( endTest, ".bss" ) ){
718        strcpy( endTest, ".dump" );
719      }
720      else if( !strcmp( endTest, ".mdl" ) ){
721        strcpy( endTest, ".dump" );
722      }
723      else{
724        strcat( simnfo->sampleName, ".dump" );
725      }
726    }
727    
728    strcpy( simnfo->statusName, inFileName );
729    nameLength = strlen( simnfo->statusName );
730    endTest = &(simnfo->statusName[nameLength - 5]);
731    if( !strcmp( endTest, ".bass" ) ){
732      strcpy( endTest, ".stat" );
733    }
734    else if( !strcmp( endTest, ".BASS" ) ){
735      strcpy( endTest, ".stat" );
736    }
737    else{
738      endTest = &(simnfo->statusName[nameLength - 4]);
739      if( !strcmp( endTest, ".bss" ) ){
740        strcpy( endTest, ".stat" );
741      }
742      else if( !strcmp( endTest, ".mdl" ) ){
743        strcpy( endTest, ".stat" );
744      }
745      else{
746        strcat( simnfo->statusName, ".stat" );
747      }
748    }
749    
750 #ifdef IS_MPI
491    }
752 #endif // is_mpi
753  
754  // set the status, sample, and themal kick times
755  
756  if( the_globals->haveSampleTime() ){
757    simnfo->sampleTime = the_globals->getSampleTime();
758    simnfo->statusTime = simnfo->sampleTime;
759    simnfo->thermalTime = simnfo->sampleTime;
760  }
761  else{
762    simnfo->sampleTime = the_globals->getRunTime();
763    simnfo->statusTime = simnfo->sampleTime;
764    simnfo->thermalTime = simnfo->sampleTime;
765  }
492  
493 <  if( the_globals->haveStatusTime() ){
494 <    simnfo->statusTime = the_globals->getStatusTime();
493 >  for (i = 0; i < info[0].n_atoms; i++){
494 >    info[0].atoms[i]->setVel(vel);
495    }
496 + }
497  
498 <  if( the_globals->haveThermalTime() ){
499 <    simnfo->thermalTime = the_globals->getThermalTime();
500 <  }
498 > void SimSetup::makeElement(double x, double y, double z){
499 >  int k;
500 >  AtomStamp* current_atom;
501 >  DirectionalAtom* dAtom;
502 >  double rotMat[3][3];
503 >  double pos[3];
504  
505 <  // check for the temperature set flag
506 <
507 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
508 <
509 <
510 <  // make the integrator
511 <  
512 <  
513 <  NVT* myNVT = NULL;
784 <  switch( ensembleCase ){
785 <
786 <  case NVE_ENS:
787 <    new NVE( simnfo, the_ff );
788 <    break;
789 <
790 <  case NVT_ENS:
791 <    myNVT = new NVT( simnfo, the_ff );
792 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
793 <
794 <    if (the_globals->haveTauThermostat())
795 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
796 < //     else if (the_globals->haveQmass())
797 < //       myNVT->setQmass(the_globals->getQmass());
798 <    else {
799 <      sprintf( painCave.errMsg,
800 <               "SimSetup error: If you use the NVT\n"
801 <               "    ensemble, you must set either tauThermostat or qMass.\n"
802 <               "    Neither of these was found in the BASS file.\n");
505 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
506 >    current_atom = comp_stamps[current_comp]->getAtom(k);
507 >    if (!current_atom->havePosition()){
508 >      sprintf(painCave.errMsg,
509 >              "SimSetup:initFromBass error.\n"
510 >              "\tComponent %s, atom %s does not have a position specified.\n"
511 >              "\tThe initialization routine is unable to give a start"
512 >              " position.\n",
513 >              comp_stamps[current_comp]->getID(), current_atom->getType());
514        painCave.isFatal = 1;
515        simError();
516      }
806    break;
517  
518 <  default:
519 <    sprintf( painCave.errMsg,
520 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
811 <    painCave.isFatal = 1;
812 <    simError();
813 <  }
518 >    pos[0] = x + current_atom->getPosX();
519 >    pos[1] = y + current_atom->getPosY();
520 >    pos[2] = z + current_atom->getPosZ();
521  
522 +    info[0].atoms[current_atom_ndx]->setPos(pos);
523  
524 < #ifdef IS_MPI
525 <  mpiSim->mpiRefresh();
818 < #endif
524 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
525 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
526  
527 <  // initialize the Fortran
527 >      rotMat[0][0] = 1.0;
528 >      rotMat[0][1] = 0.0;
529 >      rotMat[0][2] = 0.0;
530  
531 +      rotMat[1][0] = 0.0;
532 +      rotMat[1][1] = 1.0;
533 +      rotMat[1][2] = 0.0;
534  
535 <  simnfo->refreshSim();
536 <  
537 <  if( !strcmp( simnfo->mixingRule, "standard") ){
538 <    the_ff->initForceField( LB_MIXING_RULE );
535 >      rotMat[2][0] = 0.0;
536 >      rotMat[2][1] = 0.0;
537 >      rotMat[2][2] = 1.0;
538 >
539 >      dAtom->setA(rotMat);
540 >    }
541 >
542 >    current_atom_ndx++;
543    }
828  else if( !strcmp( simnfo->mixingRule, "explicit") ){
829    the_ff->initForceField( EXPLICIT_MIXING_RULE );
830  }
831  else{
832    sprintf( painCave.errMsg,
833             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
834             simnfo->mixingRule );
835    painCave.isFatal = 1;
836    simError();
837  }
544  
545 +  current_mol++;
546 +  current_comp_mol++;
547  
548 < #ifdef IS_MPI
549 <  strcpy( checkPointMsg,
550 <          "Successfully intialized the mixingRule for Fortran." );
551 <  MPIcheckPoint();
844 < #endif // is_mpi
548 >  if (current_comp_mol >= components_nmol[current_comp]){
549 >    current_comp_mol = 0;
550 >    current_comp++;
551 >  }
552   }
553  
554  
555 < void SimSetup::makeMolecules( void ){
555 > void SimSetup::gatherInfo(void){
556 >  int i;
557  
558 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
559 <  molInit info;
852 <  DirectionalAtom* dAtom;
853 <  LinkedAssign* extras;
854 <  LinkedAssign* current_extra;
855 <  AtomStamp* currentAtom;
856 <  BondStamp* currentBond;
857 <  BendStamp* currentBend;
858 <  TorsionStamp* currentTorsion;
558 >  ensembleCase = -1;
559 >  ffCase = -1;
560  
561 <  bond_pair* theBonds;
861 <  bend_set* theBends;
862 <  torsion_set* theTorsions;
561 >  // set the easy ones first
562  
563 <  
564 <  //init the forceField paramters
563 >  for (i = 0; i < nInfo; i++){
564 >    info[i].target_temp = globals->getTargetTemp();
565 >    info[i].dt = globals->getDt();
566 >    info[i].run_time = globals->getRunTime();
567 >  }
568 >  n_components = globals->getNComponents();
569  
867  the_ff->readParams();
570  
571 <  
870 <  // init the atoms
571 >  // get the forceField
572  
573 <  double ux, uy, uz, u, uSqr;
873 <  
874 <  atomOffset = 0;
875 <  excludeOffset = 0;
876 <  for(i=0; i<simnfo->n_mol; i++){
877 <    
878 <    stampID = the_molecules[i].getStampID();
573 >  strcpy(force_field, globals->getForceField());
574  
575 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
576 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
577 <    info.nBends    = comp_stamps[stampID]->getNBends();
578 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
579 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
575 >  if (!strcasecmp(force_field, "DUFF")){
576 >    ffCase = FF_DUFF;
577 >  }
578 >  else if (!strcasecmp(force_field, "LJ")){
579 >    ffCase = FF_LJ;
580 >  }
581 >  else if (!strcasecmp(force_field, "EAM")){
582 >    ffCase = FF_EAM;
583 >  }
584 >  else{
585 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
586 >            force_field);
587 >         painCave.isFatal = 1;
588 >         simError();
589 >  }
590  
591 <    info.myAtoms = &the_atoms[atomOffset];
887 <    info.myExcludes = &the_excludes[excludeOffset];
888 <    info.myBonds = new Bond*[info.nBonds];
889 <    info.myBends = new Bend*[info.nBends];
890 <    info.myTorsions = new Torsion*[info.nTorsions];
591 >    // get the ensemble
592  
593 <    theBonds = new bond_pair[info.nBonds];
893 <    theBends = new bend_set[info.nBends];
894 <    theTorsions = new torsion_set[info.nTorsions];
895 <    
896 <    // make the Atoms
897 <    
898 <    for(j=0; j<info.nAtoms; j++){
899 <      
900 <      currentAtom = comp_stamps[stampID]->getAtom( j );
901 <      if( currentAtom->haveOrientation() ){
902 <        
903 <        dAtom = new DirectionalAtom(j + atomOffset);
904 <        simnfo->n_oriented++;
905 <        info.myAtoms[j] = dAtom;
906 <        
907 <        ux = currentAtom->getOrntX();
908 <        uy = currentAtom->getOrntY();
909 <        uz = currentAtom->getOrntZ();
910 <        
911 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
912 <        
913 <        u = sqrt( uSqr );
914 <        ux = ux / u;
915 <        uy = uy / u;
916 <        uz = uz / u;
917 <        
918 <        dAtom->setSUx( ux );
919 <        dAtom->setSUy( uy );
920 <        dAtom->setSUz( uz );
921 <      }
922 <      else{
923 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
924 <      }
925 <      info.myAtoms[j]->setType( currentAtom->getType() );
926 <    
927 < #ifdef IS_MPI
928 <      
929 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
930 <      
931 < #endif // is_mpi
932 <    }
933 <    
934 <    // make the bonds
935 <    for(j=0; j<info.nBonds; j++){
936 <      
937 <      currentBond = comp_stamps[stampID]->getBond( j );
938 <      theBonds[j].a = currentBond->getA() + atomOffset;
939 <      theBonds[j].b = currentBond->getB() + atomOffset;
593 >  strcpy(ensemble, globals->getEnsemble());
594  
595 <      exI = theBonds[j].a;
596 <      exJ = theBonds[j].b;
595 >  if (!strcasecmp(ensemble, "NVE")){
596 >    ensembleCase = NVE_ENS;
597 >  }
598 >  else if (!strcasecmp(ensemble, "NVT")){
599 >    ensembleCase = NVT_ENS;
600 >  }
601 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
602 >    ensembleCase = NPTi_ENS;
603 >  }
604 >  else if (!strcasecmp(ensemble, "NPTf")){
605 >    ensembleCase = NPTf_ENS;
606 >  }
607 >  else{
608 >    sprintf(painCave.errMsg,
609 >            "SimSetup Warning. Unrecognized Ensemble -> %s, "
610 >            "reverting to NVE for this simulation.\n",
611 >            ensemble);
612 >         painCave.isFatal = 0;
613 >         simError();
614 >         strcpy(ensemble, "NVE");
615 >         ensembleCase = NVE_ENS;
616 >  }  
617  
618 <      // exclude_I must always be the smaller of the pair
619 <      if( exI > exJ ){
946 <        tempEx = exI;
947 <        exI = exJ;
948 <        exJ = tempEx;
949 <      }
950 < #ifdef IS_MPI
951 <      tempEx = exI;
952 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
953 <      tempEx = exJ;
954 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
955 <      
956 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
957 < #else  // isn't MPI
618 >  for (i = 0; i < nInfo; i++){
619 >    strcpy(info[i].ensemble, ensemble);
620  
621 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
960 < #endif  //is_mpi
961 <    }
962 <    excludeOffset += info.nBonds;
621 >    // get the mixing rule
622  
623 <    //make the bends
624 <    for(j=0; j<info.nBends; j++){
625 <      
967 <      currentBend = comp_stamps[stampID]->getBend( j );
968 <      theBends[j].a = currentBend->getA() + atomOffset;
969 <      theBends[j].b = currentBend->getB() + atomOffset;
970 <      theBends[j].c = currentBend->getC() + atomOffset;
971 <          
972 <      if( currentBend->haveExtras() ){
973 <            
974 <        extras = currentBend->getExtras();
975 <        current_extra = extras;
976 <            
977 <        while( current_extra != NULL ){
978 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
979 <                
980 <            switch( current_extra->getType() ){
981 <              
982 <            case 0:
983 <              theBends[j].ghost =
984 <                current_extra->getInt() + atomOffset;
985 <              theBends[j].isGhost = 1;
986 <              break;
987 <                  
988 <            case 1:
989 <              theBends[j].ghost =
990 <                (int)current_extra->getDouble() + atomOffset;
991 <              theBends[j].isGhost = 1;
992 <              break;
993 <              
994 <            default:
995 <              sprintf( painCave.errMsg,
996 <                       "SimSetup Error: ghostVectorSource was neither a "
997 <                       "double nor an int.\n"
998 <                       "-->Bend[%d] in %s\n",
999 <                       j, comp_stamps[stampID]->getID() );
1000 <              painCave.isFatal = 1;
1001 <              simError();
1002 <            }
1003 <          }
1004 <          
1005 <          else{
1006 <            
1007 <            sprintf( painCave.errMsg,
1008 <                     "SimSetup Error: unhandled bend assignment:\n"
1009 <                     "    -->%s in Bend[%d] in %s\n",
1010 <                     current_extra->getlhs(),
1011 <                     j, comp_stamps[stampID]->getID() );
1012 <            painCave.isFatal = 1;
1013 <            simError();
1014 <          }
1015 <          
1016 <          current_extra = current_extra->getNext();
1017 <        }
1018 <      }
1019 <          
1020 <      if( !theBends[j].isGhost ){
1021 <            
1022 <        exI = theBends[j].a;
1023 <        exJ = theBends[j].c;
1024 <      }
1025 <      else{
1026 <        
1027 <        exI = theBends[j].a;
1028 <        exJ = theBends[j].b;
1029 <      }
1030 <      
1031 <      // exclude_I must always be the smaller of the pair
1032 <      if( exI > exJ ){
1033 <        tempEx = exI;
1034 <        exI = exJ;
1035 <        exJ = tempEx;
1036 <      }
1037 < #ifdef IS_MPI
1038 <      tempEx = exI;
1039 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1040 <      tempEx = exJ;
1041 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1042 <      
1043 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1044 < #else  // isn't MPI
1045 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1046 < #endif  //is_mpi
1047 <    }
1048 <    excludeOffset += info.nBends;
623 >    strcpy(info[i].mixingRule, globals->getMixingRule());
624 >    info[i].usePBC = globals->getPBC();
625 >  }
626  
627 <    for(j=0; j<info.nTorsions; j++){
1051 <      
1052 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1053 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1054 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1055 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1056 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1057 <      
1058 <      exI = theTorsions[j].a;
1059 <      exJ = theTorsions[j].d;
627 >  // get the components and calculate the tot_nMol and indvidual n_mol
628  
629 <      // exclude_I must always be the smaller of the pair
630 <      if( exI > exJ ){
1063 <        tempEx = exI;
1064 <        exI = exJ;
1065 <        exJ = tempEx;
1066 <      }
1067 < #ifdef IS_MPI
1068 <      tempEx = exI;
1069 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1070 <      tempEx = exJ;
1071 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1072 <      
1073 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1074 < #else  // isn't MPI
1075 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1076 < #endif  //is_mpi
1077 <    }
1078 <    excludeOffset += info.nTorsions;
629 >  the_components = globals->getComponents();
630 >  components_nmol = new int[n_components];
631  
1080    
1081    // send the arrays off to the forceField for init.
632  
633 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
634 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
635 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1086 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
633 >  if (!globals->haveNMol()){
634 >    // we don't have the total number of molecules, so we assume it is
635 >    // given in each component
636  
637 +    tot_nmol = 0;
638 +    for (i = 0; i < n_components; i++){
639 +      if (!the_components[i]->haveNMol()){
640 +        // we have a problem
641 +        sprintf(painCave.errMsg,
642 +                "SimSetup Error. No global NMol or component NMol"
643 +                " given. Cannot calculate the number of atoms.\n");
644 +        painCave.isFatal = 1;
645 +        simError();
646 +      }
647  
648 <    the_molecules[i].initialize( info );
649 <
650 <
1092 <    atomOffset += info.nAtoms;
1093 <    delete[] theBonds;
1094 <    delete[] theBends;
1095 <    delete[] theTorsions;
648 >      tot_nmol += the_components[i]->getNMol();
649 >      components_nmol[i] = the_components[i]->getNMol();
650 >    }
651    }
652 +  else{
653 +    sprintf(painCave.errMsg,
654 +            "SimSetup error.\n"
655 +            "\tSorry, the ability to specify total"
656 +            " nMols and then give molfractions in the components\n"
657 +            "\tis not currently supported."
658 +            " Please give nMol in the components.\n");
659 +    painCave.isFatal = 1;
660 +    simError();
661 +  }
662  
663 < #ifdef IS_MPI
1099 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1100 <  MPIcheckPoint();
1101 < #endif // is_mpi
663 >  // set the status, sample, and thermal kick times
664  
665 <  // clean up the forcefield
666 <  the_ff->calcRcut();
667 <  the_ff->cleanMe();
665 >  for (i = 0; i < nInfo; i++){
666 >    if (globals->haveSampleTime()){
667 >      info[i].sampleTime = globals->getSampleTime();
668 >      info[i].statusTime = info[i].sampleTime;
669 >      info[i].thermalTime = info[i].sampleTime;
670 >    }
671 >    else{
672 >      info[i].sampleTime = globals->getRunTime();
673 >      info[i].statusTime = info[i].sampleTime;
674 >      info[i].thermalTime = info[i].sampleTime;
675 >    }
676  
677 < }
677 >    if (globals->haveStatusTime()){
678 >      info[i].statusTime = globals->getStatusTime();
679 >    }
680  
681 < void SimSetup::initFromBass( void ){
681 >    if (globals->haveThermalTime()){
682 >      info[i].thermalTime = globals->getThermalTime();
683 >    }
684  
685 <  int i, j, k;
686 <  int n_cells;
687 <  double cellx, celly, cellz;
688 <  double temp1, temp2, temp3;
689 <  int n_per_extra;
1116 <  int n_extra;
1117 <  int have_extra, done;
685 >    info[i].resetIntegrator = 0;
686 >    if( globals->haveResetTime() ){
687 >      info[i].resetTime = globals->getResetTime();
688 >      info[i].resetIntegrator = 1;
689 >    }
690  
691 <  temp1 = (double)tot_nmol / 4.0;
1120 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1121 <  temp3 = ceil( temp2 );
691 >    // check for the temperature set flag
692  
693 <  have_extra =0;
694 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1125 <    have_extra =1;
693 >    if (globals->haveTempSet())
694 >      info[i].setTemp = globals->getTempSet();
695  
696 <    n_cells = (int)temp3 - 1;
1128 <    cellx = simnfo->boxLx / temp3;
1129 <    celly = simnfo->boxLy / temp3;
1130 <    cellz = simnfo->boxLz / temp3;
1131 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1132 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1133 <    n_per_extra = (int)ceil( temp1 );
696 >    // get some of the tricky things that may still be in the globals
697  
698 <    if( n_per_extra > 4){
699 <      sprintf( painCave.errMsg,
700 <               "SimSetup error. There has been an error in constructing"
701 <               " the non-complete lattice.\n" );
702 <      painCave.isFatal = 1;
703 <      simError();
698 >    double boxVector[3];
699 >    if (globals->haveBox()){
700 >      boxVector[0] = globals->getBox();
701 >      boxVector[1] = globals->getBox();
702 >      boxVector[2] = globals->getBox();
703 >
704 >      info[i].setBox(boxVector);
705      }
706 <  }
707 <  else{
708 <    n_cells = (int)temp3;
709 <    cellx = simnfo->boxLx / temp3;
710 <    celly = simnfo->boxLy / temp3;
711 <    cellz = simnfo->boxLz / temp3;
1148 <  }
706 >    else if (globals->haveDensity()){
707 >      double vol;
708 >      vol = (double) tot_nmol / globals->getDensity();
709 >      boxVector[0] = pow(vol, (1.0 / 3.0));
710 >      boxVector[1] = boxVector[0];
711 >      boxVector[2] = boxVector[0];
712  
713 <  current_mol = 0;
714 <  current_comp_mol = 0;
715 <  current_comp = 0;
716 <  current_atom_ndx = 0;
713 >      info[i].setBox(boxVector);
714 >    }
715 >    else{
716 >      if (!globals->haveBoxX()){
717 >        sprintf(painCave.errMsg,
718 >                "SimSetup error, no periodic BoxX size given.\n");
719 >        painCave.isFatal = 1;
720 >        simError();
721 >      }
722 >      boxVector[0] = globals->getBoxX();
723  
724 <  for( i=0; i < n_cells ; i++ ){
725 <    for( j=0; j < n_cells; j++ ){
726 <      for( k=0; k < n_cells; k++ ){
724 >      if (!globals->haveBoxY()){
725 >        sprintf(painCave.errMsg,
726 >                "SimSetup error, no periodic BoxY size given.\n");
727 >        painCave.isFatal = 1;
728 >        simError();
729 >      }
730 >      boxVector[1] = globals->getBoxY();
731  
732 <        makeElement( i * cellx,
733 <                     j * celly,
734 <                     k * cellz );
732 >      if (!globals->haveBoxZ()){
733 >        sprintf(painCave.errMsg,
734 >                "SimSetup error, no periodic BoxZ size given.\n");
735 >        painCave.isFatal = 1;
736 >        simError();
737 >      }
738 >      boxVector[2] = globals->getBoxZ();
739  
740 <        makeElement( i * cellx + 0.5 * cellx,
741 <                     j * celly + 0.5 * celly,
742 <                     k * cellz );
740 >      info[i].setBox(boxVector);
741 >    }
742 >  }
743  
744 <        makeElement( i * cellx,
745 <                     j * celly + 0.5 * celly,
1169 <                     k * cellz + 0.5 * cellz );
744 >  //setup seed for random number generator
745 >  int seedValue;
746  
747 <        makeElement( i * cellx + 0.5 * cellx,
748 <                     j * celly,
749 <                     k * cellz + 0.5 * cellz );
747 >  if (globals->haveSeed()){
748 >    seedValue = globals->getSeed();
749 >
750 >    if(seedValue / 1E9 == 0){
751 >      sprintf(painCave.errMsg,
752 >              "Seed for sprng library should contain at least 9 digits\n"
753 >              "OOPSE will generate a seed for user\n");
754 >      painCave.isFatal = 0;
755 >      simError();
756 >
757 >      //using seed generated by system instead of invalid seed set by user
758 > #ifndef IS_MPI
759 >      seedValue = make_sprng_seed();
760 > #else
761 >      if (worldRank == 0){
762 >        seedValue = make_sprng_seed();
763        }
764 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
765 + #endif      
766      }
767 +  }//end of if branch of globals->haveSeed()
768 +  else{
769 +    
770 + #ifndef IS_MPI
771 +    seedValue = make_sprng_seed();
772 + #else
773 +    if (worldRank == 0){
774 +      seedValue = make_sprng_seed();
775 +    }
776 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
777 + #endif
778 +  }//end of globals->haveSeed()
779 +
780 +  for (int i = 0; i < nInfo; i++){
781 +    info[i].setSeed(seedValue);
782    }
783  
784 <  if( have_extra ){
785 <    done = 0;
784 > #ifdef IS_MPI
785 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
786 >  MPIcheckPoint();
787 > #endif // is_mpi
788 > }
789  
1181    int start_ndx;
1182    for( i=0; i < (n_cells+1) && !done; i++ ){
1183      for( j=0; j < (n_cells+1) && !done; j++ ){
790  
791 <        if( i < n_cells ){
791 > void SimSetup::finalInfoCheck(void){
792 >  int index;
793 >  int usesDipoles;
794 >  int i;
795  
796 <          if( j < n_cells ){
797 <            start_ndx = n_cells;
1189 <          }
1190 <          else start_ndx = 0;
1191 <        }
1192 <        else start_ndx = 0;
796 >  for (i = 0; i < nInfo; i++){
797 >    // check electrostatic parameters
798  
799 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
799 >    index = 0;
800 >    usesDipoles = 0;
801 >    while ((index < info[i].n_atoms) && !usesDipoles){
802 >      usesDipoles = (info[i].atoms[index])->hasDipole();
803 >      index++;
804 >    }
805  
806 <          makeElement( i * cellx,
807 <                       j * celly,
808 <                       k * cellz );
809 <          done = ( current_mol >= tot_nmol );
806 > #ifdef IS_MPI
807 >    int myUse = usesDipoles;
808 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
809 > #endif //is_mpi
810  
811 <          if( !done && n_per_extra > 1 ){
1202 <            makeElement( i * cellx + 0.5 * cellx,
1203 <                         j * celly + 0.5 * celly,
1204 <                         k * cellz );
1205 <            done = ( current_mol >= tot_nmol );
1206 <          }
811 >    double theEcr, theEst;
812  
813 <          if( !done && n_per_extra > 2){
814 <            makeElement( i * cellx,
1210 <                         j * celly + 0.5 * celly,
1211 <                         k * cellz + 0.5 * cellz );
1212 <            done = ( current_mol >= tot_nmol );
1213 <          }
813 >    if (globals->getUseRF()){
814 >      info[i].useReactionField = 1;
815  
816 <          if( !done && n_per_extra > 3){
817 <            makeElement( i * cellx + 0.5 * cellx,
818 <                         j * celly,
819 <                         k * cellz + 0.5 * cellz );
820 <            done = ( current_mol >= tot_nmol );
821 <          }
822 <        }
816 >      if (!globals->haveECR()){
817 >        sprintf(painCave.errMsg,
818 >                "SimSetup Warning: using default value of 1/2 the smallest "
819 >                "box length for the electrostaticCutoffRadius.\n"
820 >                "I hope you have a very fast processor!\n");
821 >        painCave.isFatal = 0;
822 >        simError();
823 >        double smallest;
824 >        smallest = info[i].boxL[0];
825 >        if (info[i].boxL[1] <= smallest)
826 >          smallest = info[i].boxL[1];
827 >        if (info[i].boxL[2] <= smallest)
828 >          smallest = info[i].boxL[2];
829 >        theEcr = 0.5 * smallest;
830        }
831 +      else{
832 +        theEcr = globals->getECR();
833 +      }
834 +
835 +      if (!globals->haveEST()){
836 +        sprintf(painCave.errMsg,
837 +                "SimSetup Warning: using default value of 0.05 * the "
838 +                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
839 +        painCave.isFatal = 0;
840 +        simError();
841 +        theEst = 0.05 * theEcr;
842 +      }
843 +      else{
844 +        theEst = globals->getEST();
845 +      }
846 +
847 +      info[i].setEcr(theEcr, theEst);
848 +
849 +      if (!globals->haveDielectric()){
850 +        sprintf(painCave.errMsg,
851 +                "SimSetup Error: You are trying to use Reaction Field without"
852 +                "setting a dielectric constant!\n");
853 +        painCave.isFatal = 1;
854 +        simError();
855 +      }
856 +      info[i].dielectric = globals->getDielectric();
857      }
858 <  }
858 >    else{
859 >      if (usesDipoles){
860 >        if (!globals->haveECR()){
861 >          sprintf(painCave.errMsg,
862 >                  "SimSetup Warning: using default value of 1/2 the smallest "
863 >                  "box length for the electrostaticCutoffRadius.\n"
864 >                  "I hope you have a very fast processor!\n");
865 >          painCave.isFatal = 0;
866 >          simError();
867 >          double smallest;
868 >          smallest = info[i].boxL[0];
869 >          if (info[i].boxL[1] <= smallest)
870 >            smallest = info[i].boxL[1];
871 >          if (info[i].boxL[2] <= smallest)
872 >            smallest = info[i].boxL[2];
873 >          theEcr = 0.5 * smallest;
874 >        }
875 >        else{
876 >          theEcr = globals->getECR();
877 >        }
878  
879 +        if (!globals->haveEST()){
880 +          sprintf(painCave.errMsg,
881 +                  "SimSetup Warning: using default value of 0.05 * the "
882 +                  "electrostaticCutoffRadius for the "
883 +                  "electrostaticSkinThickness\n");
884 +          painCave.isFatal = 0;
885 +          simError();
886 +          theEst = 0.05 * theEcr;
887 +        }
888 +        else{
889 +          theEst = globals->getEST();
890 +        }
891  
892 <  for( i=0; i<simnfo->n_atoms; i++ ){
893 <    simnfo->atoms[i]->set_vx( 0.0 );
894 <    simnfo->atoms[i]->set_vy( 0.0 );
1230 <    simnfo->atoms[i]->set_vz( 0.0 );
892 >        info[i].setEcr(theEcr, theEst);
893 >      }
894 >    }
895    }
896 +
897 + #ifdef IS_MPI
898 +  strcpy(checkPointMsg, "post processing checks out");
899 +  MPIcheckPoint();
900 + #endif // is_mpi
901   }
902  
903 < void SimSetup::makeElement( double x, double y, double z ){
903 > void SimSetup::initSystemCoords(void){
904 >  int i;
905  
906 <  int k;
1237 <  AtomStamp* current_atom;
1238 <  DirectionalAtom* dAtom;
1239 <  double rotMat[3][3];
906 >  char* inName;
907  
908 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
908 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
909  
910 <    current_atom = comp_stamps[current_comp]->getAtom( k );
911 <    if( !current_atom->havePosition() ){
912 <      sprintf( painCave.errMsg,
913 <               "SimSetup:initFromBass error.\n"
914 <               "\tComponent %s, atom %s does not have a position specified.\n"
915 <               "\tThe initialization routine is unable to give a start"
916 <               " position.\n",
917 <               comp_stamps[current_comp]->getID(),
918 <               current_atom->getType() );
910 >  for (i = 0; i < info[0].n_atoms; i++)
911 >    info[0].atoms[i]->setCoords();
912 >
913 >  if (globals->haveInitialConfig()){
914 >    InitializeFromFile* fileInit;
915 > #ifdef IS_MPI // is_mpi
916 >    if (worldRank == 0){
917 > #endif //is_mpi
918 >      inName = globals->getInitialConfig();
919 >      fileInit = new InitializeFromFile(inName);
920 > #ifdef IS_MPI
921 >    }
922 >    else
923 >      fileInit = new InitializeFromFile(NULL);
924 > #endif
925 >    fileInit->readInit(info); // default velocities on
926 >
927 >    delete fileInit;
928 >  }
929 >  else{
930 > #ifdef IS_MPI
931 >
932 >    // no init from bass
933 >
934 >    sprintf(painCave.errMsg,
935 >            "Cannot intialize a parallel simulation without an initial configuration file.\n");
936 >    painCave.isFatal = 1;;
937 >    simError();
938 >
939 > #else
940 >
941 >    initFromBass();
942 >
943 >
944 > #endif
945 >  }
946 >
947 > #ifdef IS_MPI
948 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
949 >  MPIcheckPoint();
950 > #endif // is_mpi
951 > }
952 >
953 >
954 > void SimSetup::makeOutNames(void){
955 >  int k;
956 >
957 >
958 >  for (k = 0; k < nInfo; k++){
959 > #ifdef IS_MPI
960 >    if (worldRank == 0){
961 > #endif // is_mpi
962 >
963 >      if (globals->haveFinalConfig()){
964 >        strcpy(info[k].finalName, globals->getFinalConfig());
965 >      }
966 >      else{
967 >        strcpy(info[k].finalName, inFileName);
968 >        char* endTest;
969 >        int nameLength = strlen(info[k].finalName);
970 >        endTest = &(info[k].finalName[nameLength - 5]);
971 >        if (!strcmp(endTest, ".bass")){
972 >          strcpy(endTest, ".eor");
973 >        }
974 >        else if (!strcmp(endTest, ".BASS")){
975 >          strcpy(endTest, ".eor");
976 >        }
977 >        else{
978 >          endTest = &(info[k].finalName[nameLength - 4]);
979 >          if (!strcmp(endTest, ".bss")){
980 >            strcpy(endTest, ".eor");
981 >          }
982 >          else if (!strcmp(endTest, ".mdl")){
983 >            strcpy(endTest, ".eor");
984 >          }
985 >          else{
986 >            strcat(info[k].finalName, ".eor");
987 >          }
988 >        }
989 >      }
990 >
991 >      // make the sample and status out names
992 >
993 >      strcpy(info[k].sampleName, inFileName);
994 >      char* endTest;
995 >      int nameLength = strlen(info[k].sampleName);
996 >      endTest = &(info[k].sampleName[nameLength - 5]);
997 >      if (!strcmp(endTest, ".bass")){
998 >        strcpy(endTest, ".dump");
999 >      }
1000 >      else if (!strcmp(endTest, ".BASS")){
1001 >        strcpy(endTest, ".dump");
1002 >      }
1003 >      else{
1004 >        endTest = &(info[k].sampleName[nameLength - 4]);
1005 >        if (!strcmp(endTest, ".bss")){
1006 >          strcpy(endTest, ".dump");
1007 >        }
1008 >        else if (!strcmp(endTest, ".mdl")){
1009 >          strcpy(endTest, ".dump");
1010 >        }
1011 >        else{
1012 >          strcat(info[k].sampleName, ".dump");
1013 >        }
1014 >      }
1015 >
1016 >      strcpy(info[k].statusName, inFileName);
1017 >      nameLength = strlen(info[k].statusName);
1018 >      endTest = &(info[k].statusName[nameLength - 5]);
1019 >      if (!strcmp(endTest, ".bass")){
1020 >        strcpy(endTest, ".stat");
1021 >      }
1022 >      else if (!strcmp(endTest, ".BASS")){
1023 >        strcpy(endTest, ".stat");
1024 >      }
1025 >      else{
1026 >        endTest = &(info[k].statusName[nameLength - 4]);
1027 >        if (!strcmp(endTest, ".bss")){
1028 >          strcpy(endTest, ".stat");
1029 >        }
1030 >        else if (!strcmp(endTest, ".mdl")){
1031 >          strcpy(endTest, ".stat");
1032 >        }
1033 >        else{
1034 >          strcat(info[k].statusName, ".stat");
1035 >        }
1036 >      }
1037 >
1038 > #ifdef IS_MPI
1039 >
1040 >    }
1041 > #endif // is_mpi
1042 >  }
1043 > }
1044 >
1045 >
1046 > void SimSetup::sysObjectsCreation(void){
1047 >  int i, k;
1048 >
1049 >  // create the forceField
1050 >
1051 >  createFF();
1052 >
1053 >  // extract componentList
1054 >
1055 >  compList();
1056 >
1057 >  // calc the number of atoms, bond, bends, and torsions
1058 >
1059 >  calcSysValues();
1060 >
1061 > #ifdef IS_MPI
1062 >  // divide the molecules among the processors
1063 >
1064 >  mpiMolDivide();
1065 > #endif //is_mpi
1066 >
1067 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1068 >
1069 >  makeSysArrays();
1070 >
1071 >  // make and initialize the molecules (all but atomic coordinates)
1072 >
1073 >  makeMolecules();
1074 >
1075 >  for (k = 0; k < nInfo; k++){
1076 >    info[k].identArray = new int[info[k].n_atoms];
1077 >    for (i = 0; i < info[k].n_atoms; i++){
1078 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1079 >    }
1080 >  }
1081 > }
1082 >
1083 >
1084 > void SimSetup::createFF(void){
1085 >  switch (ffCase){
1086 >    case FF_DUFF:
1087 >      the_ff = new DUFF();
1088 >      break;
1089 >
1090 >    case FF_LJ:
1091 >      the_ff = new LJFF();
1092 >      break;
1093 >
1094 >    case FF_EAM:
1095 >      the_ff = new EAM_FF();
1096 >      break;
1097 >
1098 >    default:
1099 >      sprintf(painCave.errMsg,
1100 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1101        painCave.isFatal = 1;
1102        simError();
1103 +  }
1104 +
1105 + #ifdef IS_MPI
1106 +  strcpy(checkPointMsg, "ForceField creation successful");
1107 +  MPIcheckPoint();
1108 + #endif // is_mpi
1109 + }
1110 +
1111 +
1112 + void SimSetup::compList(void){
1113 +  int i;
1114 +  char* id;
1115 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1116 +  LinkedMolStamp* currentStamp = NULL;
1117 +  comp_stamps = new MoleculeStamp * [n_components];
1118 +
1119 +  // make an array of molecule stamps that match the components used.
1120 +  // also extract the used stamps out into a separate linked list
1121 +
1122 +  for (i = 0; i < nInfo; i++){
1123 +    info[i].nComponents = n_components;
1124 +    info[i].componentsNmol = components_nmol;
1125 +    info[i].compStamps = comp_stamps;
1126 +    info[i].headStamp = headStamp;
1127 +  }
1128 +
1129 +
1130 +  for (i = 0; i < n_components; i++){
1131 +    id = the_components[i]->getType();
1132 +    comp_stamps[i] = NULL;
1133 +
1134 +    // check to make sure the component isn't already in the list
1135 +
1136 +    comp_stamps[i] = headStamp->match(id);
1137 +    if (comp_stamps[i] == NULL){
1138 +      // extract the component from the list;
1139 +
1140 +      currentStamp = stamps->extractMolStamp(id);
1141 +      if (currentStamp == NULL){
1142 +        sprintf(painCave.errMsg,
1143 +                "SimSetup error: Component \"%s\" was not found in the "
1144 +                "list of declared molecules\n",
1145 +                id);
1146 +        painCave.isFatal = 1;
1147 +        simError();
1148 +      }
1149 +
1150 +      headStamp->add(currentStamp);
1151 +      comp_stamps[i] = headStamp->match(id);
1152      }
1153 +  }
1154  
1155 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1156 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1157 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1155 > #ifdef IS_MPI
1156 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1157 >  MPIcheckPoint();
1158 > #endif // is_mpi
1159 > }
1160  
1161 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1161 > void SimSetup::calcSysValues(void){
1162 >  int i;
1163  
1164 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1164 >  int* molMembershipArray;
1165  
1166 <      rotMat[0][0] = 1.0;
1167 <      rotMat[0][1] = 0.0;
1168 <      rotMat[0][2] = 0.0;
1166 >  tot_atoms = 0;
1167 >  tot_bonds = 0;
1168 >  tot_bends = 0;
1169 >  tot_torsions = 0;
1170 >  for (i = 0; i < n_components; i++){
1171 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1172 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1173 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1174 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1175 >  }
1176  
1177 <      rotMat[1][0] = 0.0;
1178 <      rotMat[1][1] = 1.0;
1270 <      rotMat[1][2] = 0.0;
1177 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1178 >  molMembershipArray = new int[tot_atoms];
1179  
1180 <      rotMat[2][0] = 0.0;
1181 <      rotMat[2][1] = 0.0;
1182 <      rotMat[2][2] = 1.0;
1180 >  for (i = 0; i < nInfo; i++){
1181 >    info[i].n_atoms = tot_atoms;
1182 >    info[i].n_bonds = tot_bonds;
1183 >    info[i].n_bends = tot_bends;
1184 >    info[i].n_torsions = tot_torsions;
1185 >    info[i].n_SRI = tot_SRI;
1186 >    info[i].n_mol = tot_nmol;
1187  
1188 <      dAtom->setA( rotMat );
1188 >    info[i].molMembershipArray = molMembershipArray;
1189 >  }
1190 > }
1191 >
1192 > #ifdef IS_MPI
1193 >
1194 > void SimSetup::mpiMolDivide(void){
1195 >  int i, j, k;
1196 >  int localMol, allMol;
1197 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1198 >
1199 >  mpiSim = new mpiSimulation(info);
1200 >
1201 >  globalIndex = mpiSim->divideLabor();
1202 >
1203 >  // set up the local variables
1204 >
1205 >  mol2proc = mpiSim->getMolToProcMap();
1206 >  molCompType = mpiSim->getMolComponentType();
1207 >
1208 >  allMol = 0;
1209 >  localMol = 0;
1210 >  local_atoms = 0;
1211 >  local_bonds = 0;
1212 >  local_bends = 0;
1213 >  local_torsions = 0;
1214 >  globalAtomIndex = 0;
1215 >
1216 >
1217 >  for (i = 0; i < n_components; i++){
1218 >    for (j = 0; j < components_nmol[i]; j++){
1219 >      if (mol2proc[allMol] == worldRank){
1220 >        local_atoms += comp_stamps[i]->getNAtoms();
1221 >        local_bonds += comp_stamps[i]->getNBonds();
1222 >        local_bends += comp_stamps[i]->getNBends();
1223 >        local_torsions += comp_stamps[i]->getNTorsions();
1224 >        localMol++;
1225 >      }      
1226 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1227 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1228 >        globalAtomIndex++;
1229 >      }
1230 >
1231 >      allMol++;
1232      }
1233 +  }
1234 +  local_SRI = local_bonds + local_bends + local_torsions;
1235  
1236 <    current_atom_ndx++;
1236 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1237 >
1238 >  if (local_atoms != info[0].n_atoms){
1239 >    sprintf(painCave.errMsg,
1240 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1241 >            " localAtom (%d) are not equal.\n",
1242 >            info[0].n_atoms, local_atoms);
1243 >    painCave.isFatal = 1;
1244 >    simError();
1245    }
1246  
1247 <  current_mol++;
1248 <  current_comp_mol++;
1247 >  info[0].n_bonds = local_bonds;
1248 >  info[0].n_bends = local_bends;
1249 >  info[0].n_torsions = local_torsions;
1250 >  info[0].n_SRI = local_SRI;
1251 >  info[0].n_mol = localMol;
1252  
1253 <  if( current_comp_mol >= components_nmol[current_comp] ){
1253 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1254 >  MPIcheckPoint();
1255 > }
1256  
1257 <    current_comp_mol = 0;
1258 <    current_comp++;
1257 > #endif // is_mpi
1258 >
1259 >
1260 > void SimSetup::makeSysArrays(void){
1261 >
1262 > #ifndef IS_MPI
1263 >  int k, j;
1264 > #endif // is_mpi
1265 >  int i, l;
1266 >
1267 >  Atom** the_atoms;
1268 >  Molecule* the_molecules;
1269 >  Exclude** the_excludes;
1270 >
1271 >
1272 >  for (l = 0; l < nInfo; l++){
1273 >    // create the atom and short range interaction arrays
1274 >
1275 >    the_atoms = new Atom * [info[l].n_atoms];
1276 >    the_molecules = new Molecule[info[l].n_mol];
1277 >    int molIndex;
1278 >
1279 >    // initialize the molecule's stampID's
1280 >
1281 > #ifdef IS_MPI
1282 >
1283 >
1284 >    molIndex = 0;
1285 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1286 >      if (mol2proc[i] == worldRank){
1287 >        the_molecules[molIndex].setStampID(molCompType[i]);
1288 >        the_molecules[molIndex].setMyIndex(molIndex);
1289 >        the_molecules[molIndex].setGlobalIndex(i);
1290 >        molIndex++;
1291 >      }
1292 >    }
1293 >
1294 > #else // is_mpi
1295 >
1296 >    molIndex = 0;
1297 >    globalAtomIndex = 0;
1298 >    for (i = 0; i < n_components; i++){
1299 >      for (j = 0; j < components_nmol[i]; j++){
1300 >        the_molecules[molIndex].setStampID(i);
1301 >        the_molecules[molIndex].setMyIndex(molIndex);
1302 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1303 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1304 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1305 >          globalAtomIndex++;
1306 >        }
1307 >        molIndex++;
1308 >      }
1309 >    }
1310 >
1311 >
1312 > #endif // is_mpi
1313 >
1314 >
1315 >    if (info[l].n_SRI){
1316 >      Exclude::createArray(info[l].n_SRI);
1317 >      the_excludes = new Exclude * [info[l].n_SRI];
1318 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1319 >        the_excludes[ex] = new Exclude(ex);
1320 >      }
1321 >      info[l].globalExcludes = new int;
1322 >      info[l].n_exclude = info[l].n_SRI;
1323 >    }
1324 >    else{
1325 >      Exclude::createArray(1);
1326 >      the_excludes = new Exclude * ;
1327 >      the_excludes[0] = new Exclude(0);
1328 >      the_excludes[0]->setPair(0, 0);
1329 >      info[l].globalExcludes = new int;
1330 >      info[l].globalExcludes[0] = 0;
1331 >      info[l].n_exclude = 0;
1332 >    }
1333 >
1334 >    // set the arrays into the SimInfo object
1335 >
1336 >    info[l].atoms = the_atoms;
1337 >    info[l].molecules = the_molecules;
1338 >    info[l].nGlobalExcludes = 0;
1339 >    info[l].excludes = the_excludes;
1340 >
1341 >    the_ff->setSimInfo(info);
1342    }
1343   }
1344 +
1345 + void SimSetup::makeIntegrator(void){
1346 +  int k;
1347 +
1348 +  NVE<RealIntegrator>* myNVE = NULL;
1349 +  NVT<RealIntegrator>* myNVT = NULL;
1350 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1351 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1352 +  
1353 +  for (k = 0; k < nInfo; k++){
1354 +    switch (ensembleCase){
1355 +      case NVE_ENS:
1356 +        if (globals->haveZconstraints()){
1357 +          setupZConstraint(info[k]);
1358 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1359 +        }
1360 +        else{
1361 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1362 +        }
1363 +        
1364 +        info->the_integrator = myNVE;
1365 +        break;
1366 +
1367 +      case NVT_ENS:
1368 +        if (globals->haveZconstraints()){
1369 +          setupZConstraint(info[k]);
1370 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1371 +        }
1372 +        else
1373 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1374 +
1375 +        myNVT->setTargetTemp(globals->getTargetTemp());
1376 +
1377 +        if (globals->haveTauThermostat())
1378 +          myNVT->setTauThermostat(globals->getTauThermostat());
1379 +        else{
1380 +          sprintf(painCave.errMsg,
1381 +                  "SimSetup error: If you use the NVT\n"
1382 +                  "    ensemble, you must set tauThermostat.\n");
1383 +          painCave.isFatal = 1;
1384 +          simError();
1385 +        }
1386 +
1387 +        info->the_integrator = myNVT;
1388 +        break;
1389 +
1390 +      case NPTi_ENS:
1391 +        if (globals->haveZconstraints()){
1392 +          setupZConstraint(info[k]);
1393 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1394 +        }
1395 +        else
1396 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1397 +
1398 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1399 +
1400 +        if (globals->haveTargetPressure())
1401 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1402 +        else{
1403 +          sprintf(painCave.errMsg,
1404 +                  "SimSetup error: If you use a constant pressure\n"
1405 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1406 +          painCave.isFatal = 1;
1407 +          simError();
1408 +        }
1409 +
1410 +        if (globals->haveTauThermostat())
1411 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1412 +        else{
1413 +          sprintf(painCave.errMsg,
1414 +                  "SimSetup error: If you use an NPT\n"
1415 +                  "    ensemble, you must set tauThermostat.\n");
1416 +          painCave.isFatal = 1;
1417 +          simError();
1418 +        }
1419 +
1420 +        if (globals->haveTauBarostat())
1421 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1422 +        else{
1423 +          sprintf(painCave.errMsg,
1424 +                  "SimSetup error: If you use an NPT\n"
1425 +                  "    ensemble, you must set tauBarostat.\n");
1426 +          painCave.isFatal = 1;
1427 +          simError();
1428 +        }
1429 +
1430 +        info->the_integrator = myNPTi;
1431 +        break;
1432 +
1433 +      case NPTf_ENS:
1434 +        if (globals->haveZconstraints()){
1435 +          setupZConstraint(info[k]);
1436 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1437 +        }
1438 +        else
1439 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1440 +
1441 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1442 +
1443 +        if (globals->haveTargetPressure())
1444 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1445 +        else{
1446 +          sprintf(painCave.errMsg,
1447 +                  "SimSetup error: If you use a constant pressure\n"
1448 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1449 +          painCave.isFatal = 1;
1450 +          simError();
1451 +        }    
1452 +
1453 +        if (globals->haveTauThermostat())
1454 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1455 +        else{
1456 +          sprintf(painCave.errMsg,
1457 +                  "SimSetup error: If you use an NPT\n"
1458 +                  "    ensemble, you must set tauThermostat.\n");
1459 +          painCave.isFatal = 1;
1460 +          simError();
1461 +        }
1462 +
1463 +        if (globals->haveTauBarostat())
1464 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1465 +        else{
1466 +          sprintf(painCave.errMsg,
1467 +                  "SimSetup error: If you use an NPT\n"
1468 +                  "    ensemble, you must set tauBarostat.\n");
1469 +          painCave.isFatal = 1;
1470 +          simError();
1471 +        }
1472 +
1473 +        info->the_integrator = myNPTf;
1474 +        break;
1475 +
1476 +      default:
1477 +        sprintf(painCave.errMsg,
1478 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1479 +        painCave.isFatal = 1;
1480 +        simError();
1481 +    }
1482 +  }
1483 + }
1484 +
1485 + void SimSetup::initFortran(void){
1486 +  info[0].refreshSim();
1487 +
1488 +  if (!strcmp(info[0].mixingRule, "standard")){
1489 +    the_ff->initForceField(LB_MIXING_RULE);
1490 +  }
1491 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1492 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1493 +  }
1494 +  else{
1495 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1496 +            info[0].mixingRule);
1497 +    painCave.isFatal = 1;
1498 +    simError();
1499 +  }
1500 +
1501 +
1502 + #ifdef IS_MPI
1503 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1504 +  MPIcheckPoint();
1505 + #endif // is_mpi
1506 + }
1507 +
1508 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1509 +  int nZConstraints;
1510 +  ZconStamp** zconStamp;
1511 +
1512 +  if (globals->haveZconstraintTime()){
1513 +    //add sample time of z-constraint  into SimInfo's property list                    
1514 +    DoubleData* zconsTimeProp = new DoubleData();
1515 +    zconsTimeProp->setID(ZCONSTIME_ID);
1516 +    zconsTimeProp->setData(globals->getZconsTime());
1517 +    theInfo.addProperty(zconsTimeProp);
1518 +  }
1519 +  else{
1520 +    sprintf(painCave.errMsg,
1521 +            "ZConstraint error: If you use an ZConstraint\n"
1522 +            " , you must set sample time.\n");
1523 +    painCave.isFatal = 1;
1524 +    simError();
1525 +  }
1526 +
1527 +  //push zconsTol into siminfo, if user does not specify
1528 +  //value for zconsTol, a default value will be used
1529 +  DoubleData* zconsTol = new DoubleData();
1530 +  zconsTol->setID(ZCONSTOL_ID);
1531 +  if (globals->haveZconsTol()){
1532 +    zconsTol->setData(globals->getZconsTol());
1533 +  }
1534 +  else{
1535 +    double defaultZConsTol = 0.01;
1536 +    sprintf(painCave.errMsg,
1537 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1538 +            " , default value %f is used.\n",
1539 +            defaultZConsTol);
1540 +    painCave.isFatal = 0;
1541 +    simError();      
1542 +
1543 +    zconsTol->setData(defaultZConsTol);
1544 +  }
1545 +  theInfo.addProperty(zconsTol);
1546 +
1547 +  //set Force Subtraction Policy
1548 +  StringData* zconsForcePolicy = new StringData();
1549 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1550 +
1551 +  if (globals->haveZconsForcePolicy()){
1552 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1553 +  }
1554 +  else{
1555 +    sprintf(painCave.errMsg,
1556 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1557 +            "PolicyByMass is used\n");
1558 +    painCave.isFatal = 0;
1559 +    simError();
1560 +    zconsForcePolicy->setData("BYMASS");
1561 +  }
1562 +
1563 +  theInfo.addProperty(zconsForcePolicy);
1564 +
1565 +  //Determine the name of ouput file and add it into SimInfo's property list
1566 +  //Be careful, do not use inFileName, since it is a pointer which
1567 +  //point to a string at master node, and slave nodes do not contain that string
1568 +
1569 +  string zconsOutput(theInfo.finalName);
1570 +
1571 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1572 +
1573 +  StringData* zconsFilename = new StringData();
1574 +  zconsFilename->setID(ZCONSFILENAME_ID);
1575 +  zconsFilename->setData(zconsOutput);
1576 +
1577 +  theInfo.addProperty(zconsFilename);
1578 +
1579 +  //setup index, pos and other parameters of z-constraint molecules
1580 +  nZConstraints = globals->getNzConstraints();
1581 +  theInfo.nZconstraints = nZConstraints;
1582 +
1583 +  zconStamp = globals->getZconStamp();
1584 +  ZConsParaItem tempParaItem;
1585 +
1586 +  ZConsParaData* zconsParaData = new ZConsParaData();
1587 +  zconsParaData->setID(ZCONSPARADATA_ID);
1588 +
1589 +  for (int i = 0; i < nZConstraints; i++){
1590 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1591 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1592 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1593 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1594 +
1595 +    zconsParaData->addItem(tempParaItem);
1596 +  }
1597 +
1598 +  //check the uniqueness of index  
1599 +  if(!zconsParaData->isIndexUnique()){
1600 +    sprintf(painCave.errMsg,
1601 +            "ZConstraint Error: molIndex is not unique\n");
1602 +    painCave.isFatal = 1;
1603 +    simError();
1604 +  }
1605 +
1606 +  //sort the parameters by index of molecules
1607 +  zconsParaData->sortByIndex();
1608 +  
1609 +  //push data into siminfo, therefore, we can retrieve later
1610 +  theInfo.addProperty(zconsParaData);
1611 + }

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