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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 558 by mmeineke, Thu Jun 19 19:21:23 2003 UTC vs.
Revision 823 by mmeineke, Mon Oct 27 22:07:48 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 +  
35 +  initSuspend = false;
36 +  isInfoArray = 0;
37 +  nInfo = 1;
38 +
39    stamps = new MakeStamps();
40    globals = new Globals();
41 <  
41 >
42 >
43   #ifdef IS_MPI
44 <  strcpy( checkPointMsg, "SimSetup creation successful" );
44 >  strcpy(checkPointMsg, "SimSetup creation successful");
45    MPIcheckPoint();
46   #endif // IS_MPI
47   }
# Line 37 | Line 51 | void SimSetup::parseFile( char* fileName ){
51    delete globals;
52   }
53  
54 < void SimSetup::parseFile( char* fileName ){
54 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
55 >  info = the_info;
56 >  nInfo = theNinfo;
57 >  isInfoArray = 1;
58 >  initSuspend = true;
59 > }
60  
61 +
62 + void SimSetup::parseFile(char* fileName){
63   #ifdef IS_MPI
64 <  if( worldRank == 0 ){
64 >  if (worldRank == 0){
65   #endif // is_mpi
66 <    
66 >
67      inFileName = fileName;
68 <    set_interface_stamps( stamps, globals );
69 <    
68 >    set_interface_stamps(stamps, globals);
69 >
70   #ifdef IS_MPI
71      mpiEventInit();
72   #endif
73  
74 <    yacc_BASS( fileName );
74 >    yacc_BASS(fileName);
75  
76   #ifdef IS_MPI
77      throwMPIEvent(NULL);
78    }
79 <  else receiveParse();
79 >  else{
80 >    receiveParse();
81 >  }
82   #endif
83  
84   }
85  
86   #ifdef IS_MPI
87   void SimSetup::receiveParse(void){
88 <
89 <    set_interface_stamps( stamps, globals );
90 <    mpiEventInit();
91 <    MPIcheckPoint();
69 <    mpiEventLoop();
70 <
88 >  set_interface_stamps(stamps, globals);
89 >  mpiEventInit();
90 >  MPIcheckPoint();
91 >  mpiEventLoop();
92   }
93  
94   #endif // is_mpi
95  
96 < void SimSetup::createSim( void ){
96 > void SimSetup::createSim(void){
97  
98 <  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;
98 >  // gather all of the information from the Bass file
99  
100 <  // get the stamps and globals;
88 <  the_stamps = stamps;
89 <  the_globals = globals;
100 >  gatherInfo();
101  
102 <  // 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();
102 >  // creation of complex system objects
103  
104 <  // 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() );
104 >  sysObjectsCreation();
105  
106 <  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 <  }
106 >  // check on the post processing info
107  
108 <  // get the ensemble:
111 <  strcpy( ensemble, the_globals->getEnsemble() );
108 >  finalInfoCheck();
109  
110 <  if( !strcasecmp( ensemble, "NVE" ))      ffCase = NVE_ENS;
111 <  else if( !strcasecmp( ensemble, "NVT" )) ffCase = NVT_ENS;
112 <  else if( !strcasecmp( ensemble, "NPT" )) ffCase = NPT_ENS;
113 <  else{
114 <    sprintf( painCave.errMsg,
115 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
116 <             "reverting to NVE for this simulation.\n",
120 <             ensemble );
121 <    painCave.isFatal = 0;
122 <    simError();
123 <    strcpy( ensemble, "NVE" );
124 <    ensembleCase = NVE_ENS;
110 >  // initialize the system coordinates
111 >
112 >  if ( !initSuspend ){
113 >    initSystemCoords();
114 >
115 >    if( !(globals->getUseInitTime()) )
116 >      info[0].currentTime = 0.0;
117    }  
126  strcpy( simnfo->ensemble, ensemble );
118  
119 +  // make the output filenames
120  
121 < //   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 < //     }
121 >  makeOutNames();
122  
123 < //     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 < //     }
123 >  // make the integrator
124  
125 < //     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 < //     }
125 >  makeIntegrator();
126  
127 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
128 < //     the_extendedsystem = new ExtendedSystem( simnfo );
129 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
127 > #ifdef IS_MPI
128 >  mpiSim->mpiRefresh();
129 > #endif
130  
131 < //     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 < //     }
131 >  // initialize the Fortran
132  
133 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
134 <  simnfo->usePBC = the_globals->getPBC();
186 <          
187 <  int usesDipoles = 0;
188 <  switch( ffCase ){
133 >  initFortran();
134 > }
135  
190  case FF_DUFF:
191    the_ff = new DUFF();
192    usesDipoles = 1;
193    break;
136  
137 <  case FF_LJ:
138 <    the_ff = LJFF();
139 <    break;
137 > void SimSetup::makeMolecules(void){
138 >  int k;
139 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
140 >  molInit molInfo;
141 >  DirectionalAtom* dAtom;
142 >  LinkedAssign* extras;
143 >  LinkedAssign* current_extra;
144 >  AtomStamp* currentAtom;
145 >  BondStamp* currentBond;
146 >  BendStamp* currentBend;
147 >  TorsionStamp* currentTorsion;
148  
149 <  default:
150 <    sprintf( painCave.errMsg,
151 <             "SimSetup Error. Unrecognized force field in case statement.\n");
202 <    painCave.isFatal = 1;
203 <    simError();
204 <  }
149 >  bond_pair* theBonds;
150 >  bend_set* theBends;
151 >  torsion_set* theTorsions;
152  
206 #ifdef IS_MPI
207  strcpy( checkPointMsg, "ForceField creation successful" );
208  MPIcheckPoint();
209 #endif // is_mpi
153  
154 <  // 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];
154 >  //init the forceField paramters
155  
156 <  if( !the_globals->haveNMol() ){
217 <    // we don't have the total number of molecules, so we assume it is
218 <    // given in each component
156 >  the_ff->readParams();
157  
220    tot_nmol = 0;
221    for( i=0; i<n_components; i++ ){
158  
159 <      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 <      }
159 >  // init the atoms
160  
161 <      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 <  }
161 >  double ux, uy, uz, u, uSqr;
162  
163 < #ifdef IS_MPI
164 <  strcpy( checkPointMsg, "Have the number of components" );
263 <  MPIcheckPoint();
264 < #endif // is_mpi
163 >  for (k = 0; k < nInfo; k++){
164 >    the_ff->setSimInfo(&(info[k]));
165  
166 <  // make an array of molecule stamps that match the components used.
167 <  // also extract the used stamps out into a separate linked list
166 >    atomOffset = 0;
167 >    excludeOffset = 0;
168 >    for (i = 0; i < info[k].n_mol; i++){
169 >      stampID = info[k].molecules[i].getStampID();
170  
171 <  simnfo->nComponents = n_components;
172 <  simnfo->componentsNmol = components_nmol;
173 <  simnfo->compStamps = comp_stamps;
174 <  simnfo->headStamp = new LinkedMolStamp();
175 <  
274 <  char* id;
275 <  LinkedMolStamp* headStamp = simnfo->headStamp;
276 <  LinkedMolStamp* currentStamp = NULL;
277 <  for( i=0; i<n_components; i++ ){
171 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
172 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
173 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
174 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
175 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
176  
177 <    id = the_components[i]->getType();
178 <    comp_stamps[i] = NULL;
179 <    
180 <    // check to make sure the component isn't already in the list
177 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
178 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
179 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
180 >      molInfo.myBends = new Bend * [molInfo.nBends];
181 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
182  
183 <    comp_stamps[i] = headStamp->match( id );
184 <    if( comp_stamps[i] == NULL ){
185 <      
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 <  }
183 >      theBonds = new bond_pair[molInfo.nBonds];
184 >      theBends = new bend_set[molInfo.nBends];
185 >      theTorsions = new torsion_set[molInfo.nTorsions];
186  
187 < #ifdef IS_MPI
305 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
306 <  MPIcheckPoint();
307 < #endif // is_mpi
308 <  
187 >      // make the Atoms
188  
189 +      for (j = 0; j < molInfo.nAtoms; j++){
190 +        currentAtom = comp_stamps[stampID]->getAtom(j);
191 +        if (currentAtom->haveOrientation()){
192 +          dAtom = new DirectionalAtom((j + atomOffset),
193 +                                      info[k].getConfiguration());
194 +          info[k].n_oriented++;
195 +          molInfo.myAtoms[j] = dAtom;
196  
197 +          ux = currentAtom->getOrntX();
198 +          uy = currentAtom->getOrntY();
199 +          uz = currentAtom->getOrntZ();
200  
201 <  // caclulate the number of atoms, bonds, bends and torsions
201 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
202  
203 <  tot_atoms = 0;
204 <  tot_bonds = 0;
205 <  tot_bends = 0;
206 <  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 <  }
203 >          u = sqrt(uSqr);
204 >          ux = ux / u;
205 >          uy = uy / u;
206 >          uz = uz / u;
207  
208 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
208 >          dAtom->setSUx(ux);
209 >          dAtom->setSUy(uy);
210 >          dAtom->setSUz(uz);
211 >        }
212 >        else{
213 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
214 >                                               info[k].getConfiguration());
215 >        }
216 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
217  
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
218   #ifdef IS_MPI
219  
220 <  // divide the molecules among processors here.
340 <  
341 <  mpiSim = new mpiSimulation( simnfo );
342 <  
343 <  globalIndex = mpiSim->divideLabor();
220 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
221  
222 <  // set up the local variables
223 <  
347 <  int localMol, allMol;
348 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
222 > #endif // is_mpi
223 >      }
224  
225 <  int* mol2proc = mpiSim->getMolToProcMap();
226 <  int* molCompType = mpiSim->getMolComponentType();
227 <  
228 <  allMol = 0;
229 <  localMol = 0;
355 <  local_atoms = 0;
356 <  local_bonds = 0;
357 <  local_bends = 0;
358 <  local_torsions = 0;
359 <  globalAtomIndex = 0;
225 >      // make the bonds
226 >      for (j = 0; j < molInfo.nBonds; j++){
227 >        currentBond = comp_stamps[stampID]->getBond(j);
228 >        theBonds[j].a = currentBond->getA() + atomOffset;
229 >        theBonds[j].b = currentBond->getB() + atomOffset;
230  
231 +        exI = theBonds[j].a;
232 +        exJ = theBonds[j].b;
233  
234 <  for( i=0; i<n_components; i++ ){
234 >        // exclude_I must always be the smaller of the pair
235 >        if (exI > exJ){
236 >          tempEx = exI;
237 >          exI = exJ;
238 >          exJ = tempEx;
239 >        }
240 > #ifdef IS_MPI
241 >        tempEx = exI;
242 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
243 >        tempEx = exJ;
244 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
245  
246 <    for( j=0; j<components_nmol[i]; j++ ){
247 <      
248 <      if( mol2proc[allMol] == worldRank ){
249 <        
250 <        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++;
246 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
247 > #else  // isn't MPI
248 >
249 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
250 > #endif  //is_mpi
251        }
252 +      excludeOffset += molInfo.nBonds;
253  
254 <      allMol++;      
255 <    }
256 <  }
257 <  local_SRI = local_bonds + local_bends + local_torsions;
258 <  
259 <  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 <  }
254 >      //make the bends
255 >      for (j = 0; j < molInfo.nBends; j++){
256 >        currentBend = comp_stamps[stampID]->getBend(j);
257 >        theBends[j].a = currentBend->getA() + atomOffset;
258 >        theBends[j].b = currentBend->getB() + atomOffset;
259 >        theBends[j].c = currentBend->getC() + atomOffset;
260  
261 <  simnfo->n_bonds = local_bonds;
262 <  simnfo->n_bends = local_bends;
263 <  simnfo->n_torsions = local_torsions;
399 <  simnfo->n_SRI = local_SRI;
400 <  simnfo->n_mol = localMol;
261 >        if (currentBend->haveExtras()){
262 >          extras = currentBend->getExtras();
263 >          current_extra = extras;
264  
265 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
266 <  MPIcheckPoint();
267 <  
268 <  
269 < #endif // is_mpi
270 <  
265 >          while (current_extra != NULL){
266 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
267 >              switch (current_extra->getType()){
268 >                case 0:
269 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
270 >                  theBends[j].isGhost = 1;
271 >                  break;
272  
273 <  // create the atom and short range interaction arrays
273 >                case 1:
274 >                  theBends[j].ghost = (int) current_extra->getDouble() +
275 >                                      atomOffset;
276 >                  theBends[j].isGhost = 1;
277 >                  break;
278  
279 <  Atom::createArrays(simnfo->n_atoms);
280 <  the_atoms = new Atom*[simnfo->n_atoms];
281 <  the_molecules = new Molecule[simnfo->n_mol];
282 <  int molIndex;
279 >                default:
280 >                  sprintf(painCave.errMsg,
281 >                          "SimSetup Error: ghostVectorSource was neither a "
282 >                          "double nor an int.\n"
283 >                          "-->Bend[%d] in %s\n",
284 >                          j, comp_stamps[stampID]->getID());
285 >                  painCave.isFatal = 1;
286 >                  simError();
287 >              }
288 >            }
289 >            else{
290 >              sprintf(painCave.errMsg,
291 >                      "SimSetup Error: unhandled bend assignment:\n"
292 >                      "    -->%s in Bend[%d] in %s\n",
293 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
294 >              painCave.isFatal = 1;
295 >              simError();
296 >            }
297  
298 <  // initialize the molecule's stampID's
298 >            current_extra = current_extra->getNext();
299 >          }
300 >        }
301  
302 +        if (!theBends[j].isGhost){
303 +          exI = theBends[j].a;
304 +          exJ = theBends[j].c;
305 +        }
306 +        else{
307 +          exI = theBends[j].a;
308 +          exJ = theBends[j].b;
309 +        }
310 +
311 +        // exclude_I must always be the smaller of the pair
312 +        if (exI > exJ){
313 +          tempEx = exI;
314 +          exI = exJ;
315 +          exJ = tempEx;
316 +        }
317   #ifdef IS_MPI
318 <  
318 >        tempEx = exI;
319 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
320 >        tempEx = exJ;
321 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
322  
323 <  molIndex = 0;
324 <  for(i=0; i<mpiSim->getTotNmol(); i++){
325 <    
326 <    if(mol2proc[i] == worldRank ){
327 <      the_molecules[molIndex].setStampID( molCompType[i] );
328 <      the_molecules[molIndex].setMyIndex( molIndex );
427 <      the_molecules[molIndex].setGlobalIndex( i );
428 <      molIndex++;
429 <    }
430 <  }
323 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
324 > #else  // isn't MPI
325 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
326 > #endif  //is_mpi
327 >      }
328 >      excludeOffset += molInfo.nBends;
329  
330 < #else // is_mpi
331 <  
332 <  molIndex = 0;
333 <  globalAtomIndex = 0;
334 <  for(i=0; i<n_components; i++){
335 <    for(j=0; j<components_nmol[i]; j++ ){
336 <      the_molecules[molIndex].setStampID( i );
337 <      the_molecules[molIndex].setMyIndex( molIndex );
338 <      the_molecules[molIndex].setGlobalIndex( molIndex );
339 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
340 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
341 <        globalAtomIndex++;
330 >      for (j = 0; j < molInfo.nTorsions; j++){
331 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
332 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
333 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
334 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
335 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
336 >
337 >        exI = theTorsions[j].a;
338 >        exJ = theTorsions[j].d;
339 >
340 >        // exclude_I must always be the smaller of the pair
341 >        if (exI > exJ){
342 >          tempEx = exI;
343 >          exI = exJ;
344 >          exJ = tempEx;
345 >        }
346 > #ifdef IS_MPI
347 >        tempEx = exI;
348 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
349 >        tempEx = exJ;
350 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
351 >
352 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
353 > #else  // isn't MPI
354 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
355 > #endif  //is_mpi
356        }
357 <      molIndex++;
357 >      excludeOffset += molInfo.nTorsions;
358 >
359 >
360 >      // send the arrays off to the forceField for init.
361 >
362 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
363 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
364 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
365 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
366 >                                 theTorsions);
367 >
368 >
369 >      info[k].molecules[i].initialize(molInfo);
370 >
371 >
372 >      atomOffset += molInfo.nAtoms;
373 >      delete[] theBonds;
374 >      delete[] theBends;
375 >      delete[] theTorsions;
376      }
377    }
448    
378  
379 + #ifdef IS_MPI
380 +  sprintf(checkPointMsg, "all molecules initialized succesfully");
381 +  MPIcheckPoint();
382   #endif // is_mpi
383  
384 +  // clean up the forcefield
385  
386 <  if( simnfo->n_SRI ){
387 <    
388 <    Exclude::createArray(simnfo->n_SRI);
456 <    the_excludes = new Exclude*[simnfo->n_SRI];
457 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
458 <    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 <  }
386 >  the_ff->calcRcut();
387 >  the_ff->cleanMe();
388 > }
389  
390 <  // set the arrays into the SimInfo object
390 > void SimSetup::initFromBass(void){
391 >  int i, j, k;
392 >  int n_cells;
393 >  double cellx, celly, cellz;
394 >  double temp1, temp2, temp3;
395 >  int n_per_extra;
396 >  int n_extra;
397 >  int have_extra, done;
398  
399 <  simnfo->atoms = the_atoms;
400 <  simnfo->molecules = the_molecules;
401 <  simnfo->nGlobalExcludes = 0;
402 <  simnfo->excludes = the_excludes;
399 >  double vel[3];
400 >  vel[0] = 0.0;
401 >  vel[1] = 0.0;
402 >  vel[2] = 0.0;
403  
404 +  temp1 = (double) tot_nmol / 4.0;
405 +  temp2 = pow(temp1, (1.0 / 3.0));
406 +  temp3 = ceil(temp2);
407  
408 <  // get some of the tricky things that may still be in the globals
408 >  have_extra = 0;
409 >  if (temp2 < temp3){
410 >    // we have a non-complete lattice
411 >    have_extra = 1;
412  
413 <  
414 <  if( the_globals->haveBox() ){
415 <    simnfo->box_x = the_globals->getBox();
416 <    simnfo->box_y = the_globals->getBox();
417 <    simnfo->box_z = the_globals->getBox();
418 <  }
419 <  else if( the_globals->haveDensity() ){
413 >    n_cells = (int) temp3 - 1;
414 >    cellx = info[0].boxL[0] / temp3;
415 >    celly = info[0].boxL[1] / temp3;
416 >    cellz = info[0].boxL[2] / temp3;
417 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
418 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
419 >    n_per_extra = (int) ceil(temp1);
420  
421 <    double vol;
422 <    vol = (double)tot_nmol / the_globals->getDensity();
423 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
424 <    simnfo->box_y = simnfo->box_x;
494 <    simnfo->box_z = simnfo->box_x;
495 <  }
496 <  else{
497 <    if( !the_globals->haveBoxX() ){
498 <      sprintf( painCave.errMsg,
499 <               "SimSetup error, no periodic BoxX size given.\n" );
421 >    if (n_per_extra > 4){
422 >      sprintf(painCave.errMsg,
423 >              "SimSetup error. There has been an error in constructing"
424 >              " the non-complete lattice.\n");
425        painCave.isFatal = 1;
426        simError();
427      }
428 <    simnfo->box_x = the_globals->getBoxX();
428 >  }
429 >  else{
430 >    n_cells = (int) temp3;
431 >    cellx = info[0].boxL[0] / temp3;
432 >    celly = info[0].boxL[1] / temp3;
433 >    cellz = info[0].boxL[2] / temp3;
434 >  }
435  
436 <    if( !the_globals->haveBoxY() ){
437 <      sprintf( painCave.errMsg,
438 <               "SimSetup error, no periodic BoxY size given.\n" );
439 <      painCave.isFatal = 1;
509 <      simError();
510 <    }
511 <    simnfo->box_y = the_globals->getBoxY();
436 >  current_mol = 0;
437 >  current_comp_mol = 0;
438 >  current_comp = 0;
439 >  current_atom_ndx = 0;
440  
441 <    if( !the_globals->haveBoxZ() ){
442 <      sprintf( painCave.errMsg,
443 <               "SimSetup error, no periodic BoxZ size given.\n" );
444 <      painCave.isFatal = 1;
445 <      simError();
441 >  for (i = 0; i < n_cells ; i++){
442 >    for (j = 0; j < n_cells; j++){
443 >      for (k = 0; k < n_cells; k++){
444 >        makeElement(i * cellx, j * celly, k * cellz);
445 >
446 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
447 >
448 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
449 >
450 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
451 >      }
452      }
519    simnfo->box_z = the_globals->getBoxZ();
453    }
454  
455 < #ifdef IS_MPI
456 <  strcpy( checkPointMsg, "Box size set up" );
524 <  MPIcheckPoint();
525 < #endif // is_mpi
455 >  if (have_extra){
456 >    done = 0;
457  
458 +    int start_ndx;
459 +    for (i = 0; i < (n_cells + 1) && !done; i++){
460 +      for (j = 0; j < (n_cells + 1) && !done; j++){
461 +        if (i < n_cells){
462 +          if (j < n_cells){
463 +            start_ndx = n_cells;
464 +          }
465 +          else
466 +            start_ndx = 0;
467 +        }
468 +        else
469 +          start_ndx = 0;
470  
471 <  // initialize the arrays
471 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
472 >          makeElement(i * cellx, j * celly, k * cellz);
473 >          done = (current_mol >= tot_nmol);
474  
475 <  the_ff->setSimInfo( simnfo );
475 >          if (!done && n_per_extra > 1){
476 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
477 >                        k * cellz);
478 >            done = (current_mol >= tot_nmol);
479 >          }
480  
481 <  makeMolecules();
482 <  simnfo->identArray = new int[simnfo->n_atoms];
483 <  for(i=0; i<simnfo->n_atoms; i++){
484 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
485 <  }
537 <  
538 <  if (the_globals->getUseRF() ) {
539 <    simnfo->useReactionField = 1;
540 <  
541 <    if( !the_globals->haveECR() ){
542 <      sprintf( painCave.errMsg,
543 <               "SimSetup Warning: using default value of 1/2 the smallest "
544 <               "box length for the electrostaticCutoffRadius.\n"
545 <               "I hope you have a very fast processor!\n");
546 <      painCave.isFatal = 0;
547 <      simError();
548 <      double smallest;
549 <      smallest = simnfo->box_x;
550 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
551 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
552 <      simnfo->ecr = 0.5 * smallest;
553 <    } else {
554 <      simnfo->ecr        = the_globals->getECR();
555 <    }
481 >          if (!done && n_per_extra > 2){
482 >            makeElement(i * cellx, j * celly + 0.5 * celly,
483 >                        k * cellz + 0.5 * cellz);
484 >            done = (current_mol >= tot_nmol);
485 >          }
486  
487 <    if( !the_globals->haveEST() ){
488 <      sprintf( painCave.errMsg,
489 <               "SimSetup Warning: using default value of 0.05 * the "
490 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
491 <               );
492 <      painCave.isFatal = 0;
493 <      simError();
564 <      simnfo->est = 0.05 * simnfo->ecr;
565 <    } else {
566 <      simnfo->est        = the_globals->getEST();
487 >          if (!done && n_per_extra > 3){
488 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
489 >                        k * cellz + 0.5 * cellz);
490 >            done = (current_mol >= tot_nmol);
491 >          }
492 >        }
493 >      }
494      }
495 <    
496 <    if(!the_globals->haveDielectric() ){
497 <      sprintf( painCave.errMsg,
498 <               "SimSetup Error: You are trying to use Reaction Field without"
499 <               "setting a dielectric constant!\n"
500 <               );
495 >  }
496 >
497 >  for (i = 0; i < info[0].n_atoms; i++){
498 >    info[0].atoms[i]->setVel(vel);
499 >  }
500 > }
501 >
502 > void SimSetup::makeElement(double x, double y, double z){
503 >  int k;
504 >  AtomStamp* current_atom;
505 >  DirectionalAtom* dAtom;
506 >  double rotMat[3][3];
507 >  double pos[3];
508 >
509 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
510 >    current_atom = comp_stamps[current_comp]->getAtom(k);
511 >    if (!current_atom->havePosition()){
512 >      sprintf(painCave.errMsg,
513 >              "SimSetup:initFromBass error.\n"
514 >              "\tComponent %s, atom %s does not have a position specified.\n"
515 >              "\tThe initialization routine is unable to give a start"
516 >              " position.\n",
517 >              comp_stamps[current_comp]->getID(), current_atom->getType());
518        painCave.isFatal = 1;
519        simError();
520      }
577    simnfo->dielectric = the_globals->getDielectric();  
578  } else {
579    if (usesDipoles) {
580      
581      if( !the_globals->haveECR() ){
582        sprintf( painCave.errMsg,
583                 "SimSetup Warning: using default value of 1/2 the smallest "
584                 "box length for the electrostaticCutoffRadius.\n"
585                 "I hope you have a very fast processor!\n");
586        painCave.isFatal = 0;
587        simError();
588        double smallest;
589        smallest = simnfo->box_x;
590        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
591        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
592        simnfo->ecr = 0.5 * smallest;
593      } else {
594        simnfo->ecr        = the_globals->getECR();
595      }
596      
597      if( !the_globals->haveEST() ){
598        sprintf( painCave.errMsg,
599                 "SimSetup Warning: using default value of 5%% of the "
600                 "electrostaticCutoffRadius for the "
601                 "electrostaticSkinThickness\n"
602                 );
603        painCave.isFatal = 0;
604        simError();
605        simnfo->est = 0.05 * simnfo->ecr;
606      } else {
607        simnfo->est        = the_globals->getEST();
608      }
609    }
610  }  
521  
522 < #ifdef IS_MPI
523 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
524 <  MPIcheckPoint();
615 < #endif // is_mpi
522 >    pos[0] = x + current_atom->getPosX();
523 >    pos[1] = y + current_atom->getPosY();
524 >    pos[2] = z + current_atom->getPosZ();
525  
526 < if( the_globals->haveInitialConfig() ){
618 <
619 <     InitializeFromFile* fileInit;
620 < #ifdef IS_MPI // is_mpi
621 <     if( worldRank == 0 ){
622 < #endif //is_mpi
623 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
624 < #ifdef IS_MPI
625 <     }else fileInit = new InitializeFromFile( NULL );
626 < #endif
627 <   fileInit->read_xyz( simnfo ); // default velocities on
526 >    info[0].atoms[current_atom_ndx]->setPos(pos);
527  
528 <   delete fileInit;
529 < }
631 < else{
528 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
529 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
530  
531 < #ifdef IS_MPI
531 >      rotMat[0][0] = 1.0;
532 >      rotMat[0][1] = 0.0;
533 >      rotMat[0][2] = 0.0;
534  
535 <  // no init from bass
536 <  
537 <  sprintf( painCave.errMsg,
638 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
639 <  painCave.isFatal;
640 <  simError();
641 <  
642 < #else
535 >      rotMat[1][0] = 0.0;
536 >      rotMat[1][1] = 1.0;
537 >      rotMat[1][2] = 0.0;
538  
539 <  initFromBass();
539 >      rotMat[2][0] = 0.0;
540 >      rotMat[2][1] = 0.0;
541 >      rotMat[2][2] = 1.0;
542  
543 <
647 < #endif
648 < }
649 <
650 < #ifdef IS_MPI
651 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
652 <  MPIcheckPoint();
653 < #endif // is_mpi
654 <
655 <
656 <  
657 <
658 <  
659 <
660 <  
661 < #ifdef IS_MPI
662 <  if( worldRank == 0 ){
663 < #endif // is_mpi
664 <    
665 <    if( the_globals->haveFinalConfig() ){
666 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
543 >      dAtom->setA(rotMat);
544      }
668    else{
669      strcpy( simnfo->finalName, inFileName );
670      char* endTest;
671      int nameLength = strlen( simnfo->finalName );
672      endTest = &(simnfo->finalName[nameLength - 5]);
673      if( !strcmp( endTest, ".bass" ) ){
674        strcpy( endTest, ".eor" );
675      }
676      else if( !strcmp( endTest, ".BASS" ) ){
677        strcpy( endTest, ".eor" );
678      }
679      else{
680        endTest = &(simnfo->finalName[nameLength - 4]);
681        if( !strcmp( endTest, ".bss" ) ){
682          strcpy( endTest, ".eor" );
683        }
684        else if( !strcmp( endTest, ".mdl" ) ){
685          strcpy( endTest, ".eor" );
686        }
687        else{
688          strcat( simnfo->finalName, ".eor" );
689        }
690      }
691    }
692    
693    // make the sample and status out names
694    
695    strcpy( simnfo->sampleName, inFileName );
696    char* endTest;
697    int nameLength = strlen( simnfo->sampleName );
698    endTest = &(simnfo->sampleName[nameLength - 5]);
699    if( !strcmp( endTest, ".bass" ) ){
700      strcpy( endTest, ".dump" );
701    }
702    else if( !strcmp( endTest, ".BASS" ) ){
703      strcpy( endTest, ".dump" );
704    }
705    else{
706      endTest = &(simnfo->sampleName[nameLength - 4]);
707      if( !strcmp( endTest, ".bss" ) ){
708        strcpy( endTest, ".dump" );
709      }
710      else if( !strcmp( endTest, ".mdl" ) ){
711        strcpy( endTest, ".dump" );
712      }
713      else{
714        strcat( simnfo->sampleName, ".dump" );
715      }
716    }
717    
718    strcpy( simnfo->statusName, inFileName );
719    nameLength = strlen( simnfo->statusName );
720    endTest = &(simnfo->statusName[nameLength - 5]);
721    if( !strcmp( endTest, ".bass" ) ){
722      strcpy( endTest, ".stat" );
723    }
724    else if( !strcmp( endTest, ".BASS" ) ){
725      strcpy( endTest, ".stat" );
726    }
727    else{
728      endTest = &(simnfo->statusName[nameLength - 4]);
729      if( !strcmp( endTest, ".bss" ) ){
730        strcpy( endTest, ".stat" );
731      }
732      else if( !strcmp( endTest, ".mdl" ) ){
733        strcpy( endTest, ".stat" );
734      }
735      else{
736        strcat( simnfo->statusName, ".stat" );
737      }
738    }
739    
740 #ifdef IS_MPI
741  }
742 #endif // is_mpi
743  
744  // set the status, sample, and themal kick times
745  
746  if( the_globals->haveSampleTime() ){
747    simnfo->sampleTime = the_globals->getSampleTime();
748    simnfo->statusTime = simnfo->sampleTime;
749    simnfo->thermalTime = simnfo->sampleTime;
750  }
751  else{
752    simnfo->sampleTime = the_globals->getRunTime();
753    simnfo->statusTime = simnfo->sampleTime;
754    simnfo->thermalTime = simnfo->sampleTime;
755  }
545  
546 <  if( the_globals->haveStatusTime() ){
758 <    simnfo->statusTime = the_globals->getStatusTime();
546 >    current_atom_ndx++;
547    }
548  
549 <  if( the_globals->haveThermalTime() ){
550 <    simnfo->thermalTime = the_globals->getThermalTime();
763 <  }
549 >  current_mol++;
550 >  current_comp_mol++;
551  
552 <  // check for the temperature set flag
553 <
554 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
768 <
769 <
770 <  // make the integrator
771 <
772 <  switch( ensembleCase ){
773 <
774 <  case NVE_ENS:
775 <    new NVE( simnfo, the_ff );
776 <    break;
777 <
778 <  default:
779 <    sprintf( painCave.errMsg,
780 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
781 <    painCave.isFatal = 1;
782 <    simError();
552 >  if (current_comp_mol >= components_nmol[current_comp]){
553 >    current_comp_mol = 0;
554 >    current_comp++;
555    }
556 + }
557  
558  
559 < #ifdef IS_MPI
560 <  mpiSim->mpiRefresh();
788 < #endif
559 > void SimSetup::gatherInfo(void){
560 >  int i;
561  
562 <  // initialize the Fortran
563 <
564 <
565 <  simnfo->refreshSim();
566 <  
567 <  if( !strcmp( simnfo->mixingRule, "standard") ){
568 <    the_ff->initForceField( LB_MIXING_RULE );
562 >  ensembleCase = -1;
563 >  ffCase = -1;
564 >
565 >  // set the easy ones first
566 >
567 >  for (i = 0; i < nInfo; i++){
568 >    info[i].target_temp = globals->getTargetTemp();
569 >    info[i].dt = globals->getDt();
570 >    info[i].run_time = globals->getRunTime();
571    }
572 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
573 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
572 >  n_components = globals->getNComponents();
573 >
574 >
575 >  // get the forceField
576 >
577 >  strcpy(force_field, globals->getForceField());
578 >
579 >  if (!strcasecmp(force_field, "DUFF")){
580 >    ffCase = FF_DUFF;
581    }
582 +  else if (!strcasecmp(force_field, "LJ")){
583 +    ffCase = FF_LJ;
584 +  }
585 +  else if (!strcasecmp(force_field, "EAM")){
586 +    ffCase = FF_EAM;
587 +  }
588    else{
589 <    sprintf( painCave.errMsg,
590 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
591 <             simnfo->mixingRule );
592 <    painCave.isFatal = 1;
806 <    simError();
589 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
590 >            force_field);
591 >         painCave.isFatal = 1;
592 >         simError();
593    }
594  
595 +    // get the ensemble
596  
597 < #ifdef IS_MPI
811 <  strcpy( checkPointMsg,
812 <          "Successfully intialized the mixingRule for Fortran." );
813 <  MPIcheckPoint();
814 < #endif // is_mpi
815 < }
597 >  strcpy(ensemble, globals->getEnsemble());
598  
599 +  if (!strcasecmp(ensemble, "NVE")){
600 +    ensembleCase = NVE_ENS;
601 +  }
602 +  else if (!strcasecmp(ensemble, "NVT")){
603 +    ensembleCase = NVT_ENS;
604 +  }
605 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
606 +    ensembleCase = NPTi_ENS;
607 +  }
608 +  else if (!strcasecmp(ensemble, "NPTf")){
609 +    ensembleCase = NPTf_ENS;
610 +  }
611 +  else if (!strcasecmp(ensemble, "NPTxyz")){
612 +    ensembleCase = NPTxyz_ENS;
613 +  }
614 +  else{
615 +    sprintf(painCave.errMsg,
616 +            "SimSetup Warning. Unrecognized Ensemble -> %s, "
617 +            "reverting to NVE for this simulation.\n",
618 +            ensemble);
619 +         painCave.isFatal = 0;
620 +         simError();
621 +         strcpy(ensemble, "NVE");
622 +         ensembleCase = NVE_ENS;
623 +  }  
624  
625 < void SimSetup::makeMolecules( void ){
625 >  for (i = 0; i < nInfo; i++){
626 >    strcpy(info[i].ensemble, ensemble);
627  
628 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
821 <  molInit info;
822 <  DirectionalAtom* dAtom;
823 <  LinkedAssign* extras;
824 <  LinkedAssign* current_extra;
825 <  AtomStamp* currentAtom;
826 <  BondStamp* currentBond;
827 <  BendStamp* currentBend;
828 <  TorsionStamp* currentTorsion;
628 >    // get the mixing rule
629  
630 <  bond_pair* theBonds;
631 <  bend_set* theBends;
632 <  torsion_set* theTorsions;
630 >    strcpy(info[i].mixingRule, globals->getMixingRule());
631 >    info[i].usePBC = globals->getPBC();
632 >  }
633  
634 <  
835 <  //init the forceField paramters
634 >  // get the components and calculate the tot_nMol and indvidual n_mol
635  
636 <  the_ff->readParams();
636 >  the_components = globals->getComponents();
637 >  components_nmol = new int[n_components];
638  
839  
840  // init the atoms
639  
640 <  double ux, uy, uz, u, uSqr;
641 <  
642 <  atomOffset = 0;
845 <  excludeOffset = 0;
846 <  for(i=0; i<simnfo->n_mol; i++){
847 <    
848 <    stampID = the_molecules[i].getStampID();
640 >  if (!globals->haveNMol()){
641 >    // we don't have the total number of molecules, so we assume it is
642 >    // given in each component
643  
644 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
645 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
646 <    info.nBends    = comp_stamps[stampID]->getNBends();
647 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
648 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
649 <
650 <    info.myAtoms = &the_atoms[atomOffset];
651 <    info.myExcludes = &the_excludes[excludeOffset];
652 <    info.myBonds = new Bond*[info.nBonds];
859 <    info.myBends = new Bend*[info.nBends];
860 <    info.myTorsions = new Torsion*[info.nTorsions];
861 <
862 <    theBonds = new bond_pair[info.nBonds];
863 <    theBends = new bend_set[info.nBends];
864 <    theTorsions = new torsion_set[info.nTorsions];
865 <    
866 <    // make the Atoms
867 <    
868 <    for(j=0; j<info.nAtoms; j++){
869 <      
870 <      currentAtom = comp_stamps[stampID]->getAtom( j );
871 <      if( currentAtom->haveOrientation() ){
872 <        
873 <        dAtom = new DirectionalAtom(j + atomOffset);
874 <        simnfo->n_oriented++;
875 <        info.myAtoms[j] = dAtom;
876 <        
877 <        ux = currentAtom->getOrntX();
878 <        uy = currentAtom->getOrntY();
879 <        uz = currentAtom->getOrntZ();
880 <        
881 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
882 <        
883 <        u = sqrt( uSqr );
884 <        ux = ux / u;
885 <        uy = uy / u;
886 <        uz = uz / u;
887 <        
888 <        dAtom->setSUx( ux );
889 <        dAtom->setSUy( uy );
890 <        dAtom->setSUz( uz );
644 >    tot_nmol = 0;
645 >    for (i = 0; i < n_components; i++){
646 >      if (!the_components[i]->haveNMol()){
647 >        // we have a problem
648 >        sprintf(painCave.errMsg,
649 >                "SimSetup Error. No global NMol or component NMol"
650 >                " given. Cannot calculate the number of atoms.\n");
651 >        painCave.isFatal = 1;
652 >        simError();
653        }
892      else{
893        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
894      }
895      info.myAtoms[j]->setType( currentAtom->getType() );
896    
897 #ifdef IS_MPI
898      
899      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
900      
901 #endif // is_mpi
902    }
903    
904    // make the bonds
905    for(j=0; j<info.nBonds; j++){
906      
907      currentBond = comp_stamps[stampID]->getBond( j );
908      theBonds[j].a = currentBond->getA() + atomOffset;
909      theBonds[j].b = currentBond->getB() + atomOffset;
654  
655 <      exI = theBonds[j].a;
656 <      exJ = theBonds[j].b;
655 >      tot_nmol += the_components[i]->getNMol();
656 >      components_nmol[i] = the_components[i]->getNMol();
657 >    }
658 >  }
659 >  else{
660 >    sprintf(painCave.errMsg,
661 >            "SimSetup error.\n"
662 >            "\tSorry, the ability to specify total"
663 >            " nMols and then give molfractions in the components\n"
664 >            "\tis not currently supported."
665 >            " Please give nMol in the components.\n");
666 >    painCave.isFatal = 1;
667 >    simError();
668 >  }
669  
670 <      // exclude_I must always be the smaller of the pair
915 <      if( exI > exJ ){
916 <        tempEx = exI;
917 <        exI = exJ;
918 <        exJ = tempEx;
919 <      }
920 < #ifdef IS_MPI
921 <      tempEx = exI;
922 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
923 <      tempEx = exJ;
924 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
925 <      
926 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
927 < #else  // isn't MPI
670 >  // set the status, sample, and thermal kick times
671  
672 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
673 < #endif  //is_mpi
672 >  for (i = 0; i < nInfo; i++){
673 >    if (globals->haveSampleTime()){
674 >      info[i].sampleTime = globals->getSampleTime();
675 >      info[i].statusTime = info[i].sampleTime;
676 >      info[i].thermalTime = info[i].sampleTime;
677      }
678 <    excludeOffset += info.nBonds;
678 >    else{
679 >      info[i].sampleTime = globals->getRunTime();
680 >      info[i].statusTime = info[i].sampleTime;
681 >      info[i].thermalTime = info[i].sampleTime;
682 >    }
683  
684 <    //make the bends
685 <    for(j=0; j<info.nBends; j++){
936 <      
937 <      currentBend = comp_stamps[stampID]->getBend( j );
938 <      theBends[j].a = currentBend->getA() + atomOffset;
939 <      theBends[j].b = currentBend->getB() + atomOffset;
940 <      theBends[j].c = currentBend->getC() + atomOffset;
941 <          
942 <      if( currentBend->haveExtras() ){
943 <            
944 <        extras = currentBend->getExtras();
945 <        current_extra = extras;
946 <            
947 <        while( current_extra != NULL ){
948 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
949 <                
950 <            switch( current_extra->getType() ){
951 <              
952 <            case 0:
953 <              theBends[j].ghost =
954 <                current_extra->getInt() + atomOffset;
955 <              theBends[j].isGhost = 1;
956 <              break;
957 <                  
958 <            case 1:
959 <              theBends[j].ghost =
960 <                (int)current_extra->getDouble() + atomOffset;
961 <              theBends[j].isGhost = 1;
962 <              break;
963 <              
964 <            default:
965 <              sprintf( painCave.errMsg,
966 <                       "SimSetup Error: ghostVectorSource was neither a "
967 <                       "double nor an int.\n"
968 <                       "-->Bend[%d] in %s\n",
969 <                       j, comp_stamps[stampID]->getID() );
970 <              painCave.isFatal = 1;
971 <              simError();
972 <            }
973 <          }
974 <          
975 <          else{
976 <            
977 <            sprintf( painCave.errMsg,
978 <                     "SimSetup Error: unhandled bend assignment:\n"
979 <                     "    -->%s in Bend[%d] in %s\n",
980 <                     current_extra->getlhs(),
981 <                     j, comp_stamps[stampID]->getID() );
982 <            painCave.isFatal = 1;
983 <            simError();
984 <          }
985 <          
986 <          current_extra = current_extra->getNext();
987 <        }
988 <      }
989 <          
990 <      if( !theBends[j].isGhost ){
991 <            
992 <        exI = theBends[j].a;
993 <        exJ = theBends[j].c;
994 <      }
995 <      else{
996 <        
997 <        exI = theBends[j].a;
998 <        exJ = theBends[j].b;
999 <      }
1000 <      
1001 <      // exclude_I must always be the smaller of the pair
1002 <      if( exI > exJ ){
1003 <        tempEx = exI;
1004 <        exI = exJ;
1005 <        exJ = tempEx;
1006 <      }
1007 < #ifdef IS_MPI
1008 <      tempEx = exI;
1009 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1010 <      tempEx = exJ;
1011 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1012 <      
1013 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1014 < #else  // isn't MPI
1015 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1016 < #endif  //is_mpi
684 >    if (globals->haveStatusTime()){
685 >      info[i].statusTime = globals->getStatusTime();
686      }
1018    excludeOffset += info.nBends;
687  
688 <    for(j=0; j<info.nTorsions; j++){
689 <      
690 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1023 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1024 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1025 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1026 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1027 <      
1028 <      exI = theTorsions[j].a;
1029 <      exJ = theTorsions[j].d;
688 >    if (globals->haveThermalTime()){
689 >      info[i].thermalTime = globals->getThermalTime();
690 >    }
691  
692 <      // exclude_I must always be the smaller of the pair
693 <      if( exI > exJ ){
694 <        tempEx = exI;
695 <        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
692 >    info[i].resetIntegrator = 0;
693 >    if( globals->haveResetTime() ){
694 >      info[i].resetTime = globals->getResetTime();
695 >      info[i].resetIntegrator = 1;
696      }
1048    excludeOffset += info.nTorsions;
697  
698 <    
1051 <    // send the arrays off to the forceField for init.
698 >    // check for the temperature set flag
699  
700 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
701 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1055 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1056 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
700 >    if (globals->haveTempSet())
701 >      info[i].setTemp = globals->getTempSet();
702  
703 +    // get some of the tricky things that may still be in the globals
704  
705 <    the_molecules[i].initialize( info );
705 >    double boxVector[3];
706 >    if (globals->haveBox()){
707 >      boxVector[0] = globals->getBox();
708 >      boxVector[1] = globals->getBox();
709 >      boxVector[2] = globals->getBox();
710  
711 +      info[i].setBox(boxVector);
712 +    }
713 +    else if (globals->haveDensity()){
714 +      double vol;
715 +      vol = (double) tot_nmol / globals->getDensity();
716 +      boxVector[0] = pow(vol, (1.0 / 3.0));
717 +      boxVector[1] = boxVector[0];
718 +      boxVector[2] = boxVector[0];
719  
720 <    atomOffset += info.nAtoms;
721 <    delete[] theBonds;
722 <    delete[] theBends;
723 <    delete[] theTorsions;
724 <  }
720 >      info[i].setBox(boxVector);
721 >    }
722 >    else{
723 >      if (!globals->haveBoxX()){
724 >        sprintf(painCave.errMsg,
725 >                "SimSetup error, no periodic BoxX size given.\n");
726 >        painCave.isFatal = 1;
727 >        simError();
728 >      }
729 >      boxVector[0] = globals->getBoxX();
730  
731 < #ifdef IS_MPI
732 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
733 <  MPIcheckPoint();
734 < #endif // is_mpi
731 >      if (!globals->haveBoxY()){
732 >        sprintf(painCave.errMsg,
733 >                "SimSetup error, no periodic BoxY size given.\n");
734 >        painCave.isFatal = 1;
735 >        simError();
736 >      }
737 >      boxVector[1] = globals->getBoxY();
738  
739 <  // clean up the forcefield
740 <  the_ff->calcRcut();
741 <  the_ff->cleanMe();
739 >      if (!globals->haveBoxZ()){
740 >        sprintf(painCave.errMsg,
741 >                "SimSetup error, no periodic BoxZ size given.\n");
742 >        painCave.isFatal = 1;
743 >        simError();
744 >      }
745 >      boxVector[2] = globals->getBoxZ();
746  
747 < }
747 >      info[i].setBox(boxVector);
748 >    }
749 >  }
750  
751 < void SimSetup::initFromBass( void ){
751 >  //setup seed for random number generator
752 >  int seedValue;
753  
754 <  int i, j, k;
755 <  int n_cells;
1083 <  double cellx, celly, cellz;
1084 <  double temp1, temp2, temp3;
1085 <  int n_per_extra;
1086 <  int n_extra;
1087 <  int have_extra, done;
754 >  if (globals->haveSeed()){
755 >    seedValue = globals->getSeed();
756  
757 <  temp1 = (double)tot_nmol / 4.0;
758 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
759 <  temp3 = ceil( temp2 );
760 <
761 <  have_extra =0;
1094 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1095 <    have_extra =1;
1096 <
1097 <    n_cells = (int)temp3 - 1;
1098 <    cellx = simnfo->box_x / temp3;
1099 <    celly = simnfo->box_y / temp3;
1100 <    cellz = simnfo->box_z / temp3;
1101 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1102 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1103 <    n_per_extra = (int)ceil( temp1 );
1104 <
1105 <    if( n_per_extra > 4){
1106 <      sprintf( painCave.errMsg,
1107 <               "SimSetup error. There has been an error in constructing"
1108 <               " the non-complete lattice.\n" );
1109 <      painCave.isFatal = 1;
757 >    if(seedValue / 1E9 == 0){
758 >      sprintf(painCave.errMsg,
759 >              "Seed for sprng library should contain at least 9 digits\n"
760 >              "OOPSE will generate a seed for user\n");
761 >      painCave.isFatal = 0;
762        simError();
763 +
764 +      //using seed generated by system instead of invalid seed set by user
765 + #ifndef IS_MPI
766 +      seedValue = make_sprng_seed();
767 + #else
768 +      if (worldRank == 0){
769 +        seedValue = make_sprng_seed();
770 +      }
771 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
772 + #endif      
773      }
774 <  }
774 >  }//end of if branch of globals->haveSeed()
775    else{
776 <    n_cells = (int)temp3;
777 <    cellx = simnfo->box_x / temp3;
778 <    celly = simnfo->box_y / temp3;
779 <    cellz = simnfo->box_z / temp3;
776 >    
777 > #ifndef IS_MPI
778 >    seedValue = make_sprng_seed();
779 > #else
780 >    if (worldRank == 0){
781 >      seedValue = make_sprng_seed();
782 >    }
783 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
784 > #endif
785 >  }//end of globals->haveSeed()
786 >
787 >  for (int i = 0; i < nInfo; i++){
788 >    info[i].setSeed(seedValue);
789    }
790  
791 <  current_mol = 0;
792 <  current_comp_mol = 0;
793 <  current_comp = 0;
794 <  current_atom_ndx = 0;
791 > #ifdef IS_MPI
792 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
793 >  MPIcheckPoint();
794 > #endif // is_mpi
795 > }
796  
1125  for( i=0; i < n_cells ; i++ ){
1126    for( j=0; j < n_cells; j++ ){
1127      for( k=0; k < n_cells; k++ ){
797  
798 <        makeElement( i * cellx,
799 <                     j * celly,
800 <                     k * cellz );
798 > void SimSetup::finalInfoCheck(void){
799 >  int index;
800 >  int usesDipoles;
801 >  int i;
802  
803 <        makeElement( i * cellx + 0.5 * cellx,
804 <                     j * celly + 0.5 * celly,
1135 <                     k * cellz );
803 >  for (i = 0; i < nInfo; i++){
804 >    // check electrostatic parameters
805  
806 <        makeElement( i * cellx,
807 <                     j * celly + 0.5 * celly,
808 <                     k * cellz + 0.5 * cellz );
809 <
810 <        makeElement( i * cellx + 0.5 * cellx,
1142 <                     j * celly,
1143 <                     k * cellz + 0.5 * cellz );
1144 <      }
806 >    index = 0;
807 >    usesDipoles = 0;
808 >    while ((index < info[i].n_atoms) && !usesDipoles){
809 >      usesDipoles = (info[i].atoms[index])->hasDipole();
810 >      index++;
811      }
1146  }
812  
813 <  if( have_extra ){
814 <    done = 0;
813 > #ifdef IS_MPI
814 >    int myUse = usesDipoles;
815 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
816 > #endif //is_mpi
817  
818 <    int start_ndx;
1152 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1153 <      for( j=0; j < (n_cells+1) && !done; j++ ){
818 >    double theEcr, theEst;
819  
820 <        if( i < n_cells ){
820 >    if (globals->getUseRF()){
821 >      info[i].useReactionField = 1;
822  
823 <          if( j < n_cells ){
824 <            start_ndx = n_cells;
825 <          }
826 <          else start_ndx = 0;
827 <        }
828 <        else start_ndx = 0;
823 >      if (!globals->haveECR()){
824 >        sprintf(painCave.errMsg,
825 >                "SimSetup Warning: using default value of 1/2 the smallest "
826 >                "box length for the electrostaticCutoffRadius.\n"
827 >                "I hope you have a very fast processor!\n");
828 >        painCave.isFatal = 0;
829 >        simError();
830 >        double smallest;
831 >        smallest = info[i].boxL[0];
832 >        if (info[i].boxL[1] <= smallest)
833 >          smallest = info[i].boxL[1];
834 >        if (info[i].boxL[2] <= smallest)
835 >          smallest = info[i].boxL[2];
836 >        theEcr = 0.5 * smallest;
837 >      }
838 >      else{
839 >        theEcr = globals->getECR();
840 >      }
841  
842 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
842 >      if (!globals->haveEST()){
843 >        sprintf(painCave.errMsg,
844 >                "SimSetup Warning: using default value of 0.05 * the "
845 >                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
846 >        painCave.isFatal = 0;
847 >        simError();
848 >        theEst = 0.05 * theEcr;
849 >      }
850 >      else{
851 >        theEst = globals->getEST();
852 >      }
853  
854 <          makeElement( i * cellx,
1167 <                       j * celly,
1168 <                       k * cellz );
1169 <          done = ( current_mol >= tot_nmol );
854 >      info[i].setEcr(theEcr, theEst);
855  
856 <          if( !done && n_per_extra > 1 ){
857 <            makeElement( i * cellx + 0.5 * cellx,
858 <                         j * celly + 0.5 * celly,
859 <                         k * cellz );
860 <            done = ( current_mol >= tot_nmol );
861 <          }
856 >      if (!globals->haveDielectric()){
857 >        sprintf(painCave.errMsg,
858 >                "SimSetup Error: You are trying to use Reaction Field without"
859 >                "setting a dielectric constant!\n");
860 >        painCave.isFatal = 1;
861 >        simError();
862 >      }
863 >      info[i].dielectric = globals->getDielectric();
864 >    }
865 >    else{
866 >      if (usesDipoles){
867 >        if (!globals->haveECR()){
868 >          sprintf(painCave.errMsg,
869 >                  "SimSetup Warning: using default value of 1/2 the smallest "
870 >                  "box length for the electrostaticCutoffRadius.\n"
871 >                  "I hope you have a very fast processor!\n");
872 >          painCave.isFatal = 0;
873 >          simError();
874 >          double smallest;
875 >          smallest = info[i].boxL[0];
876 >          if (info[i].boxL[1] <= smallest)
877 >            smallest = info[i].boxL[1];
878 >          if (info[i].boxL[2] <= smallest)
879 >            smallest = info[i].boxL[2];
880 >          theEcr = 0.5 * smallest;
881 >        }
882 >        else{
883 >          theEcr = globals->getECR();
884 >        }
885  
886 <          if( !done && n_per_extra > 2){
887 <            makeElement( i * cellx,
888 <                         j * celly + 0.5 * celly,
889 <                         k * cellz + 0.5 * cellz );
890 <            done = ( current_mol >= tot_nmol );
891 <          }
886 >        if (!globals->haveEST()){
887 >          sprintf(painCave.errMsg,
888 >                  "SimSetup Warning: using default value of 0.05 * the "
889 >                  "electrostaticCutoffRadius for the "
890 >                  "electrostaticSkinThickness\n");
891 >          painCave.isFatal = 0;
892 >          simError();
893 >          theEst = 0.05 * theEcr;
894 >        }
895 >        else{
896 >          theEst = globals->getEST();
897 >        }
898  
899 <          if( !done && n_per_extra > 3){
1186 <            makeElement( i * cellx + 0.5 * cellx,
1187 <                         j * celly,
1188 <                         k * cellz + 0.5 * cellz );
1189 <            done = ( current_mol >= tot_nmol );
1190 <          }
1191 <        }
899 >        info[i].setEcr(theEcr, theEst);
900        }
901      }
902    }
903  
904 <
905 <  for( i=0; i<simnfo->n_atoms; i++ ){
906 <    simnfo->atoms[i]->set_vx( 0.0 );
907 <    simnfo->atoms[i]->set_vy( 0.0 );
1200 <    simnfo->atoms[i]->set_vz( 0.0 );
1201 <  }
904 > #ifdef IS_MPI
905 >  strcpy(checkPointMsg, "post processing checks out");
906 >  MPIcheckPoint();
907 > #endif // is_mpi
908   }
909  
910 < void SimSetup::makeElement( double x, double y, double z ){
910 > void SimSetup::initSystemCoords(void){
911 >  int i;
912  
913 <  int k;
1207 <  AtomStamp* current_atom;
1208 <  DirectionalAtom* dAtom;
1209 <  double rotMat[3][3];
913 >  char* inName;
914  
915 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
915 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
916  
917 <    current_atom = comp_stamps[current_comp]->getAtom( k );
918 <    if( !current_atom->havePosition() ){
919 <      sprintf( painCave.errMsg,
920 <               "SimSetup:initFromBass error.\n"
921 <               "\tComponent %s, atom %s does not have a position specified.\n"
922 <               "\tThe initialization routine is unable to give a start"
923 <               " position.\n",
924 <               comp_stamps[current_comp]->getID(),
925 <               current_atom->getType() );
926 <      painCave.isFatal = 1;
927 <      simError();
917 >  for (i = 0; i < info[0].n_atoms; i++)
918 >    info[0].atoms[i]->setCoords();
919 >
920 >  if (globals->haveInitialConfig()){
921 >    InitializeFromFile* fileInit;
922 > #ifdef IS_MPI // is_mpi
923 >    if (worldRank == 0){
924 > #endif //is_mpi
925 >      inName = globals->getInitialConfig();
926 >      fileInit = new InitializeFromFile(inName);
927 > #ifdef IS_MPI
928      }
929 +    else
930 +      fileInit = new InitializeFromFile(NULL);
931 + #endif
932 +    fileInit->readInit(info); // default velocities on
933  
934 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
935 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
936 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
934 >    delete fileInit;
935 >  }
936 >  else{
937 > #ifdef IS_MPI
938  
939 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
939 >    // no init from bass
940  
941 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
941 >    sprintf(painCave.errMsg,
942 >            "Cannot intialize a parallel simulation without an initial configuration file.\n");
943 >    painCave.isFatal = 1;;
944 >    simError();
945  
946 <      rotMat[0][0] = 1.0;
1235 <      rotMat[0][1] = 0.0;
1236 <      rotMat[0][2] = 0.0;
946 > #else
947  
948 <      rotMat[1][0] = 0.0;
1239 <      rotMat[1][1] = 1.0;
1240 <      rotMat[1][2] = 0.0;
948 >    initFromBass();
949  
1242      rotMat[2][0] = 0.0;
1243      rotMat[2][1] = 0.0;
1244      rotMat[2][2] = 1.0;
950  
951 <      dAtom->setA( rotMat );
951 > #endif
952 >  }
953 >
954 > #ifdef IS_MPI
955 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
956 >  MPIcheckPoint();
957 > #endif // is_mpi
958 > }
959 >
960 >
961 > void SimSetup::makeOutNames(void){
962 >  int k;
963 >
964 >
965 >  for (k = 0; k < nInfo; k++){
966 > #ifdef IS_MPI
967 >    if (worldRank == 0){
968 > #endif // is_mpi
969 >
970 >      if (globals->haveFinalConfig()){
971 >        strcpy(info[k].finalName, globals->getFinalConfig());
972 >      }
973 >      else{
974 >        strcpy(info[k].finalName, inFileName);
975 >        char* endTest;
976 >        int nameLength = strlen(info[k].finalName);
977 >        endTest = &(info[k].finalName[nameLength - 5]);
978 >        if (!strcmp(endTest, ".bass")){
979 >          strcpy(endTest, ".eor");
980 >        }
981 >        else if (!strcmp(endTest, ".BASS")){
982 >          strcpy(endTest, ".eor");
983 >        }
984 >        else{
985 >          endTest = &(info[k].finalName[nameLength - 4]);
986 >          if (!strcmp(endTest, ".bss")){
987 >            strcpy(endTest, ".eor");
988 >          }
989 >          else if (!strcmp(endTest, ".mdl")){
990 >            strcpy(endTest, ".eor");
991 >          }
992 >          else{
993 >            strcat(info[k].finalName, ".eor");
994 >          }
995 >        }
996 >      }
997 >
998 >      // make the sample and status out names
999 >
1000 >      strcpy(info[k].sampleName, inFileName);
1001 >      char* endTest;
1002 >      int nameLength = strlen(info[k].sampleName);
1003 >      endTest = &(info[k].sampleName[nameLength - 5]);
1004 >      if (!strcmp(endTest, ".bass")){
1005 >        strcpy(endTest, ".dump");
1006 >      }
1007 >      else if (!strcmp(endTest, ".BASS")){
1008 >        strcpy(endTest, ".dump");
1009 >      }
1010 >      else{
1011 >        endTest = &(info[k].sampleName[nameLength - 4]);
1012 >        if (!strcmp(endTest, ".bss")){
1013 >          strcpy(endTest, ".dump");
1014 >        }
1015 >        else if (!strcmp(endTest, ".mdl")){
1016 >          strcpy(endTest, ".dump");
1017 >        }
1018 >        else{
1019 >          strcat(info[k].sampleName, ".dump");
1020 >        }
1021 >      }
1022 >
1023 >      strcpy(info[k].statusName, inFileName);
1024 >      nameLength = strlen(info[k].statusName);
1025 >      endTest = &(info[k].statusName[nameLength - 5]);
1026 >      if (!strcmp(endTest, ".bass")){
1027 >        strcpy(endTest, ".stat");
1028 >      }
1029 >      else if (!strcmp(endTest, ".BASS")){
1030 >        strcpy(endTest, ".stat");
1031 >      }
1032 >      else{
1033 >        endTest = &(info[k].statusName[nameLength - 4]);
1034 >        if (!strcmp(endTest, ".bss")){
1035 >          strcpy(endTest, ".stat");
1036 >        }
1037 >        else if (!strcmp(endTest, ".mdl")){
1038 >          strcpy(endTest, ".stat");
1039 >        }
1040 >        else{
1041 >          strcat(info[k].statusName, ".stat");
1042 >        }
1043 >      }
1044 >
1045 > #ifdef IS_MPI
1046 >
1047      }
1048 + #endif // is_mpi
1049 +  }
1050 + }
1051  
1052 <    current_atom_ndx++;
1052 >
1053 > void SimSetup::sysObjectsCreation(void){
1054 >  int i, k;
1055 >
1056 >  // create the forceField
1057 >
1058 >  createFF();
1059 >
1060 >  // extract componentList
1061 >
1062 >  compList();
1063 >
1064 >  // calc the number of atoms, bond, bends, and torsions
1065 >
1066 >  calcSysValues();
1067 >
1068 > #ifdef IS_MPI
1069 >  // divide the molecules among the processors
1070 >
1071 >  mpiMolDivide();
1072 > #endif //is_mpi
1073 >
1074 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1075 >
1076 >  makeSysArrays();
1077 >
1078 >  // make and initialize the molecules (all but atomic coordinates)
1079 >
1080 >  makeMolecules();
1081 >
1082 >  for (k = 0; k < nInfo; k++){
1083 >    info[k].identArray = new int[info[k].n_atoms];
1084 >    for (i = 0; i < info[k].n_atoms; i++){
1085 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1086 >    }
1087    }
1088 + }
1089  
1252  current_mol++;
1253  current_comp_mol++;
1090  
1091 <  if( current_comp_mol >= components_nmol[current_comp] ){
1091 > void SimSetup::createFF(void){
1092 >  switch (ffCase){
1093 >    case FF_DUFF:
1094 >      the_ff = new DUFF();
1095 >      break;
1096  
1097 <    current_comp_mol = 0;
1098 <    current_comp++;
1097 >    case FF_LJ:
1098 >      the_ff = new LJFF();
1099 >      break;
1100 >
1101 >    case FF_EAM:
1102 >      the_ff = new EAM_FF();
1103 >      break;
1104 >
1105 >    default:
1106 >      sprintf(painCave.errMsg,
1107 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1108 >      painCave.isFatal = 1;
1109 >      simError();
1110 >  }
1111 >
1112 > #ifdef IS_MPI
1113 >  strcpy(checkPointMsg, "ForceField creation successful");
1114 >  MPIcheckPoint();
1115 > #endif // is_mpi
1116 > }
1117 >
1118 >
1119 > void SimSetup::compList(void){
1120 >  int i;
1121 >  char* id;
1122 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1123 >  LinkedMolStamp* currentStamp = NULL;
1124 >  comp_stamps = new MoleculeStamp * [n_components];
1125 >
1126 >  // make an array of molecule stamps that match the components used.
1127 >  // also extract the used stamps out into a separate linked list
1128 >
1129 >  for (i = 0; i < nInfo; i++){
1130 >    info[i].nComponents = n_components;
1131 >    info[i].componentsNmol = components_nmol;
1132 >    info[i].compStamps = comp_stamps;
1133 >    info[i].headStamp = headStamp;
1134 >  }
1135 >
1136 >
1137 >  for (i = 0; i < n_components; i++){
1138 >    id = the_components[i]->getType();
1139 >    comp_stamps[i] = NULL;
1140 >
1141 >    // check to make sure the component isn't already in the list
1142 >
1143 >    comp_stamps[i] = headStamp->match(id);
1144 >    if (comp_stamps[i] == NULL){
1145 >      // extract the component from the list;
1146 >
1147 >      currentStamp = stamps->extractMolStamp(id);
1148 >      if (currentStamp == NULL){
1149 >        sprintf(painCave.errMsg,
1150 >                "SimSetup error: Component \"%s\" was not found in the "
1151 >                "list of declared molecules\n",
1152 >                id);
1153 >        painCave.isFatal = 1;
1154 >        simError();
1155 >      }
1156 >
1157 >      headStamp->add(currentStamp);
1158 >      comp_stamps[i] = headStamp->match(id);
1159 >    }
1160 >  }
1161 >
1162 > #ifdef IS_MPI
1163 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1164 >  MPIcheckPoint();
1165 > #endif // is_mpi
1166 > }
1167 >
1168 > void SimSetup::calcSysValues(void){
1169 >  int i;
1170 >
1171 >  int* molMembershipArray;
1172 >
1173 >  tot_atoms = 0;
1174 >  tot_bonds = 0;
1175 >  tot_bends = 0;
1176 >  tot_torsions = 0;
1177 >  for (i = 0; i < n_components; i++){
1178 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1179 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1180 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1181 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1182 >  }
1183 >
1184 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1185 >  molMembershipArray = new int[tot_atoms];
1186 >
1187 >  for (i = 0; i < nInfo; i++){
1188 >    info[i].n_atoms = tot_atoms;
1189 >    info[i].n_bonds = tot_bonds;
1190 >    info[i].n_bends = tot_bends;
1191 >    info[i].n_torsions = tot_torsions;
1192 >    info[i].n_SRI = tot_SRI;
1193 >    info[i].n_mol = tot_nmol;
1194 >
1195 >    info[i].molMembershipArray = molMembershipArray;
1196 >  }
1197 > }
1198 >
1199 > #ifdef IS_MPI
1200 >
1201 > void SimSetup::mpiMolDivide(void){
1202 >  int i, j, k;
1203 >  int localMol, allMol;
1204 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1205 >
1206 >  mpiSim = new mpiSimulation(info);
1207 >
1208 >  globalIndex = mpiSim->divideLabor();
1209 >
1210 >  // set up the local variables
1211 >
1212 >  mol2proc = mpiSim->getMolToProcMap();
1213 >  molCompType = mpiSim->getMolComponentType();
1214 >
1215 >  allMol = 0;
1216 >  localMol = 0;
1217 >  local_atoms = 0;
1218 >  local_bonds = 0;
1219 >  local_bends = 0;
1220 >  local_torsions = 0;
1221 >  globalAtomIndex = 0;
1222 >
1223 >
1224 >  for (i = 0; i < n_components; i++){
1225 >    for (j = 0; j < components_nmol[i]; j++){
1226 >      if (mol2proc[allMol] == worldRank){
1227 >        local_atoms += comp_stamps[i]->getNAtoms();
1228 >        local_bonds += comp_stamps[i]->getNBonds();
1229 >        local_bends += comp_stamps[i]->getNBends();
1230 >        local_torsions += comp_stamps[i]->getNTorsions();
1231 >        localMol++;
1232 >      }      
1233 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1234 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1235 >        globalAtomIndex++;
1236 >      }
1237 >
1238 >      allMol++;
1239 >    }
1240 >  }
1241 >  local_SRI = local_bonds + local_bends + local_torsions;
1242 >
1243 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1244 >
1245 >  if (local_atoms != info[0].n_atoms){
1246 >    sprintf(painCave.errMsg,
1247 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1248 >            " localAtom (%d) are not equal.\n",
1249 >            info[0].n_atoms, local_atoms);
1250 >    painCave.isFatal = 1;
1251 >    simError();
1252 >  }
1253 >
1254 >  info[0].n_bonds = local_bonds;
1255 >  info[0].n_bends = local_bends;
1256 >  info[0].n_torsions = local_torsions;
1257 >  info[0].n_SRI = local_SRI;
1258 >  info[0].n_mol = localMol;
1259 >
1260 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1261 >  MPIcheckPoint();
1262 > }
1263 >
1264 > #endif // is_mpi
1265 >
1266 >
1267 > void SimSetup::makeSysArrays(void){
1268 >
1269 > #ifndef IS_MPI
1270 >  int k, j;
1271 > #endif // is_mpi
1272 >  int i, l;
1273 >
1274 >  Atom** the_atoms;
1275 >  Molecule* the_molecules;
1276 >  Exclude** the_excludes;
1277 >
1278 >
1279 >  for (l = 0; l < nInfo; l++){
1280 >    // create the atom and short range interaction arrays
1281 >
1282 >    the_atoms = new Atom * [info[l].n_atoms];
1283 >    the_molecules = new Molecule[info[l].n_mol];
1284 >    int molIndex;
1285 >
1286 >    // initialize the molecule's stampID's
1287 >
1288 > #ifdef IS_MPI
1289 >
1290 >
1291 >    molIndex = 0;
1292 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1293 >      if (mol2proc[i] == worldRank){
1294 >        the_molecules[molIndex].setStampID(molCompType[i]);
1295 >        the_molecules[molIndex].setMyIndex(molIndex);
1296 >        the_molecules[molIndex].setGlobalIndex(i);
1297 >        molIndex++;
1298 >      }
1299 >    }
1300 >
1301 > #else // is_mpi
1302 >
1303 >    molIndex = 0;
1304 >    globalAtomIndex = 0;
1305 >    for (i = 0; i < n_components; i++){
1306 >      for (j = 0; j < components_nmol[i]; j++){
1307 >        the_molecules[molIndex].setStampID(i);
1308 >        the_molecules[molIndex].setMyIndex(molIndex);
1309 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1310 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1311 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1312 >          globalAtomIndex++;
1313 >        }
1314 >        molIndex++;
1315 >      }
1316 >    }
1317 >
1318 >
1319 > #endif // is_mpi
1320 >
1321 >
1322 >    if (info[l].n_SRI){
1323 >      Exclude::createArray(info[l].n_SRI);
1324 >      the_excludes = new Exclude * [info[l].n_SRI];
1325 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1326 >        the_excludes[ex] = new Exclude(ex);
1327 >      }
1328 >      info[l].globalExcludes = new int;
1329 >      info[l].n_exclude = info[l].n_SRI;
1330 >    }
1331 >    else{
1332 >      Exclude::createArray(1);
1333 >      the_excludes = new Exclude * ;
1334 >      the_excludes[0] = new Exclude(0);
1335 >      the_excludes[0]->setPair(0, 0);
1336 >      info[l].globalExcludes = new int;
1337 >      info[l].globalExcludes[0] = 0;
1338 >      info[l].n_exclude = 0;
1339 >    }
1340 >
1341 >    // set the arrays into the SimInfo object
1342 >
1343 >    info[l].atoms = the_atoms;
1344 >    info[l].molecules = the_molecules;
1345 >    info[l].nGlobalExcludes = 0;
1346 >    info[l].excludes = the_excludes;
1347 >
1348 >    the_ff->setSimInfo(info);
1349    }
1350   }
1351 +
1352 + void SimSetup::makeIntegrator(void){
1353 +  int k;
1354 +
1355 +  NVE<RealIntegrator>* myNVE = NULL;
1356 +  NVT<RealIntegrator>* myNVT = NULL;
1357 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1358 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1359 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1360 +  
1361 +  for (k = 0; k < nInfo; k++){
1362 +    switch (ensembleCase){
1363 +      case NVE_ENS:
1364 +        if (globals->haveZconstraints()){
1365 +          setupZConstraint(info[k]);
1366 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1367 +        }
1368 +        else{
1369 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1370 +        }
1371 +        
1372 +        info->the_integrator = myNVE;
1373 +        break;
1374 +
1375 +      case NVT_ENS:
1376 +        if (globals->haveZconstraints()){
1377 +          setupZConstraint(info[k]);
1378 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1379 +        }
1380 +        else
1381 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1382 +
1383 +        myNVT->setTargetTemp(globals->getTargetTemp());
1384 +
1385 +        if (globals->haveTauThermostat())
1386 +          myNVT->setTauThermostat(globals->getTauThermostat());
1387 +        else{
1388 +          sprintf(painCave.errMsg,
1389 +                  "SimSetup error: If you use the NVT\n"
1390 +                  "    ensemble, you must set tauThermostat.\n");
1391 +          painCave.isFatal = 1;
1392 +          simError();
1393 +        }
1394 +
1395 +        info->the_integrator = myNVT;
1396 +        break;
1397 +
1398 +      case NPTi_ENS:
1399 +        if (globals->haveZconstraints()){
1400 +          setupZConstraint(info[k]);
1401 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1402 +        }
1403 +        else
1404 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1405 +
1406 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1407 +
1408 +        if (globals->haveTargetPressure())
1409 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1410 +        else{
1411 +          sprintf(painCave.errMsg,
1412 +                  "SimSetup error: If you use a constant pressure\n"
1413 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1414 +          painCave.isFatal = 1;
1415 +          simError();
1416 +        }
1417 +
1418 +        if (globals->haveTauThermostat())
1419 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1420 +        else{
1421 +          sprintf(painCave.errMsg,
1422 +                  "SimSetup error: If you use an NPT\n"
1423 +                  "    ensemble, you must set tauThermostat.\n");
1424 +          painCave.isFatal = 1;
1425 +          simError();
1426 +        }
1427 +
1428 +        if (globals->haveTauBarostat())
1429 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1430 +        else{
1431 +          sprintf(painCave.errMsg,
1432 +                  "SimSetup error: If you use an NPT\n"
1433 +                  "    ensemble, you must set tauBarostat.\n");
1434 +          painCave.isFatal = 1;
1435 +          simError();
1436 +        }
1437 +
1438 +        info->the_integrator = myNPTi;
1439 +        break;
1440 +
1441 +      case NPTf_ENS:
1442 +        if (globals->haveZconstraints()){
1443 +          setupZConstraint(info[k]);
1444 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1445 +        }
1446 +        else
1447 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1448 +
1449 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1450 +
1451 +        if (globals->haveTargetPressure())
1452 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1453 +        else{
1454 +          sprintf(painCave.errMsg,
1455 +                  "SimSetup error: If you use a constant pressure\n"
1456 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1457 +          painCave.isFatal = 1;
1458 +          simError();
1459 +        }    
1460 +
1461 +        if (globals->haveTauThermostat())
1462 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1463 +        else{
1464 +          sprintf(painCave.errMsg,
1465 +                  "SimSetup error: If you use an NPT\n"
1466 +                  "    ensemble, you must set tauThermostat.\n");
1467 +          painCave.isFatal = 1;
1468 +          simError();
1469 +        }
1470 +
1471 +        if (globals->haveTauBarostat())
1472 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1473 +        else{
1474 +          sprintf(painCave.errMsg,
1475 +                  "SimSetup error: If you use an NPT\n"
1476 +                  "    ensemble, you must set tauBarostat.\n");
1477 +          painCave.isFatal = 1;
1478 +          simError();
1479 +        }
1480 +
1481 +        info->the_integrator = myNPTf;
1482 +        break;
1483 +
1484 +      case NPTxyz_ENS:
1485 +        if (globals->haveZconstraints()){
1486 +          setupZConstraint(info[k]);
1487 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1488 +        }
1489 +        else
1490 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1491 +
1492 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1493 +
1494 +        if (globals->haveTargetPressure())
1495 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1496 +        else{
1497 +          sprintf(painCave.errMsg,
1498 +                  "SimSetup error: If you use a constant pressure\n"
1499 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1500 +          painCave.isFatal = 1;
1501 +          simError();
1502 +        }    
1503 +
1504 +        if (globals->haveTauThermostat())
1505 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1506 +        else{
1507 +          sprintf(painCave.errMsg,
1508 +                  "SimSetup error: If you use an NPT\n"
1509 +                  "    ensemble, you must set tauThermostat.\n");
1510 +          painCave.isFatal = 1;
1511 +          simError();
1512 +        }
1513 +
1514 +        if (globals->haveTauBarostat())
1515 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1516 +        else{
1517 +          sprintf(painCave.errMsg,
1518 +                  "SimSetup error: If you use an NPT\n"
1519 +                  "    ensemble, you must set tauBarostat.\n");
1520 +          painCave.isFatal = 1;
1521 +          simError();
1522 +        }
1523 +
1524 +        info->the_integrator = myNPTxyz;
1525 +        break;
1526 +
1527 +      default:
1528 +        sprintf(painCave.errMsg,
1529 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1530 +        painCave.isFatal = 1;
1531 +        simError();
1532 +    }
1533 +  }
1534 + }
1535 +
1536 + void SimSetup::initFortran(void){
1537 +  info[0].refreshSim();
1538 +
1539 +  if (!strcmp(info[0].mixingRule, "standard")){
1540 +    the_ff->initForceField(LB_MIXING_RULE);
1541 +  }
1542 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1543 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1544 +  }
1545 +  else{
1546 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1547 +            info[0].mixingRule);
1548 +    painCave.isFatal = 1;
1549 +    simError();
1550 +  }
1551 +
1552 +
1553 + #ifdef IS_MPI
1554 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1555 +  MPIcheckPoint();
1556 + #endif // is_mpi
1557 + }
1558 +
1559 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1560 +  int nZConstraints;
1561 +  ZconStamp** zconStamp;
1562 +
1563 +  if (globals->haveZconstraintTime()){
1564 +    //add sample time of z-constraint  into SimInfo's property list                    
1565 +    DoubleData* zconsTimeProp = new DoubleData();
1566 +    zconsTimeProp->setID(ZCONSTIME_ID);
1567 +    zconsTimeProp->setData(globals->getZconsTime());
1568 +    theInfo.addProperty(zconsTimeProp);
1569 +  }
1570 +  else{
1571 +    sprintf(painCave.errMsg,
1572 +            "ZConstraint error: If you use an ZConstraint\n"
1573 +            " , you must set sample time.\n");
1574 +    painCave.isFatal = 1;
1575 +    simError();
1576 +  }
1577 +
1578 +  //push zconsTol into siminfo, if user does not specify
1579 +  //value for zconsTol, a default value will be used
1580 +  DoubleData* zconsTol = new DoubleData();
1581 +  zconsTol->setID(ZCONSTOL_ID);
1582 +  if (globals->haveZconsTol()){
1583 +    zconsTol->setData(globals->getZconsTol());
1584 +  }
1585 +  else{
1586 +    double defaultZConsTol = 0.01;
1587 +    sprintf(painCave.errMsg,
1588 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1589 +            " , default value %f is used.\n",
1590 +            defaultZConsTol);
1591 +    painCave.isFatal = 0;
1592 +    simError();      
1593 +
1594 +    zconsTol->setData(defaultZConsTol);
1595 +  }
1596 +  theInfo.addProperty(zconsTol);
1597 +
1598 +  //set Force Subtraction Policy
1599 +  StringData* zconsForcePolicy = new StringData();
1600 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1601 +
1602 +  if (globals->haveZconsForcePolicy()){
1603 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1604 +  }
1605 +  else{
1606 +    sprintf(painCave.errMsg,
1607 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1608 +            "PolicyByMass is used\n");
1609 +    painCave.isFatal = 0;
1610 +    simError();
1611 +    zconsForcePolicy->setData("BYMASS");
1612 +  }
1613 +
1614 +  theInfo.addProperty(zconsForcePolicy);
1615 +
1616 +  //Determine the name of ouput file and add it into SimInfo's property list
1617 +  //Be careful, do not use inFileName, since it is a pointer which
1618 +  //point to a string at master node, and slave nodes do not contain that string
1619 +
1620 +  string zconsOutput(theInfo.finalName);
1621 +
1622 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1623 +
1624 +  StringData* zconsFilename = new StringData();
1625 +  zconsFilename->setID(ZCONSFILENAME_ID);
1626 +  zconsFilename->setData(zconsOutput);
1627 +
1628 +  theInfo.addProperty(zconsFilename);
1629 +
1630 +  //setup index, pos and other parameters of z-constraint molecules
1631 +  nZConstraints = globals->getNzConstraints();
1632 +  theInfo.nZconstraints = nZConstraints;
1633 +
1634 +  zconStamp = globals->getZconStamp();
1635 +  ZConsParaItem tempParaItem;
1636 +
1637 +  ZConsParaData* zconsParaData = new ZConsParaData();
1638 +  zconsParaData->setID(ZCONSPARADATA_ID);
1639 +
1640 +  for (int i = 0; i < nZConstraints; i++){
1641 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1642 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1643 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1644 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1645 +
1646 +    zconsParaData->addItem(tempParaItem);
1647 +  }
1648 +
1649 +  //check the uniqueness of index  
1650 +  if(!zconsParaData->isIndexUnique()){
1651 +    sprintf(painCave.errMsg,
1652 +            "ZConstraint Error: molIndex is not unique\n");
1653 +    painCave.isFatal = 1;
1654 +    simError();
1655 +  }
1656 +
1657 +  //sort the parameters by index of molecules
1658 +  zconsParaData->sortByIndex();
1659 +  
1660 +  //push data into siminfo, therefore, we can retrieve later
1661 +  theInfo.addProperty(zconsParaData);
1662 + }

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