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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 561 by mmeineke, Fri Jun 20 20:29:36 2003 UTC vs.
Revision 962 by tim, Mon Jan 19 18:36:21 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# 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 + /**
34 + * Check whether dividend is divisble by divisor or not
35 + */
36 + bool isDivisible(double dividend, double divisor){
37 +  double tolerance = 0.000001;
38 +  double quotient;
39 +  double diff;
40 +  int intQuotient;
41 +  
42 +  quotient = dividend / divisor;
43 +
44 +  if (quotient < 0)
45 +    quotient = -quotient;
46 +
47 +  intQuotient = int (quotient + tolerance);
48 +
49 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
50 +
51 +  if (diff <= tolerance)
52 +    return true;
53 +  else
54 +    return false;  
55 + }
56 +
57   SimSetup::SimSetup(){
58 +  
59 +  initSuspend = false;
60 +  isInfoArray = 0;
61 +  nInfo = 1;
62 +
63    stamps = new MakeStamps();
64    globals = new Globals();
65 <  
65 >
66 >
67   #ifdef IS_MPI
68 <  strcpy( checkPointMsg, "SimSetup creation successful" );
68 >  strcpy(checkPointMsg, "SimSetup creation successful");
69    MPIcheckPoint();
70   #endif // IS_MPI
71   }
# Line 37 | Line 75 | void SimSetup::parseFile( char* fileName ){
75    delete globals;
76   }
77  
78 < void SimSetup::parseFile( char* fileName ){
78 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
79 >  info = the_info;
80 >  nInfo = theNinfo;
81 >  isInfoArray = 1;
82 >  initSuspend = true;
83 > }
84  
85 +
86 + void SimSetup::parseFile(char* fileName){
87   #ifdef IS_MPI
88 <  if( worldRank == 0 ){
88 >  if (worldRank == 0){
89   #endif // is_mpi
90 <    
90 >
91      inFileName = fileName;
92 <    set_interface_stamps( stamps, globals );
93 <    
92 >    set_interface_stamps(stamps, globals);
93 >
94   #ifdef IS_MPI
95      mpiEventInit();
96   #endif
97  
98 <    yacc_BASS( fileName );
98 >    yacc_BASS(fileName);
99  
100   #ifdef IS_MPI
101      throwMPIEvent(NULL);
102    }
103 <  else receiveParse();
103 >  else{
104 >    receiveParse();
105 >  }
106   #endif
107  
108   }
109  
110   #ifdef IS_MPI
111   void SimSetup::receiveParse(void){
112 <
113 <    set_interface_stamps( stamps, globals );
114 <    mpiEventInit();
115 <    MPIcheckPoint();
69 <    mpiEventLoop();
70 <
112 >  set_interface_stamps(stamps, globals);
113 >  mpiEventInit();
114 >  MPIcheckPoint();
115 >  mpiEventLoop();
116   }
117  
118   #endif // is_mpi
119  
120 < void SimSetup::createSim( void ){
120 > void SimSetup::createSim(void){
121  
122 <  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;
122 >  // gather all of the information from the Bass file
123  
124 <  // get the stamps and globals;
88 <  the_stamps = stamps;
89 <  the_globals = globals;
124 >  gatherInfo();
125  
126 <  // 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();
126 >  // creation of complex system objects
127  
128 <  // 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() );
128 >  sysObjectsCreation();
129  
130 <  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 <  }
130 >  // check on the post processing info
131  
132 <  // get the ensemble:
111 <  strcpy( ensemble, the_globals->getEnsemble() );
132 >  finalInfoCheck();
133  
134 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
135 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
136 <  else if( !strcasecmp( ensemble, "NPT" )) ensembleCase = NPT_ENS;
137 <  else{
138 <    sprintf( painCave.errMsg,
139 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
140 <             "reverting to NVE for this simulation.\n",
120 <             ensemble );
121 <    painCave.isFatal = 0;
122 <    simError();
123 <    strcpy( ensemble, "NVE" );
124 <    ensembleCase = NVE_ENS;
134 >  // initialize the system coordinates
135 >
136 >  if ( !initSuspend ){
137 >    initSystemCoords();
138 >
139 >    if( !(globals->getUseInitTime()) )
140 >      info[0].currentTime = 0.0;
141    }  
126  strcpy( simnfo->ensemble, ensemble );
142  
143 +  // make the output filenames
144  
145 < //   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 < //     }
145 >  makeOutNames();
146  
147 < //     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 < //     }
147 >  // make the integrator
148  
149 < //     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 < //     }
149 >  makeIntegrator();
150  
151 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
152 < //     the_extendedsystem = new ExtendedSystem( simnfo );
153 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
151 > #ifdef IS_MPI
152 >  mpiSim->mpiRefresh();
153 > #endif
154  
155 < //     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 < //     }
155 >  // initialize the Fortran
156  
157 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
158 <  simnfo->usePBC = the_globals->getPBC();
186 <          
187 <  int usesDipoles = 0;
188 <  switch( ffCase ){
157 >  initFortran();
158 > }
159  
190  case FF_DUFF:
191    the_ff = new DUFF();
192    usesDipoles = 1;
193    break;
160  
161 <  case FF_LJ:
162 <    the_ff = new LJFF();
163 <    break;
161 > void SimSetup::makeMolecules(void){
162 >  int k;
163 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
164 >  molInit molInfo;
165 >  DirectionalAtom* dAtom;
166 >  LinkedAssign* extras;
167 >  LinkedAssign* current_extra;
168 >  AtomStamp* currentAtom;
169 >  BondStamp* currentBond;
170 >  BendStamp* currentBend;
171 >  TorsionStamp* currentTorsion;
172  
173 <  default:
174 <    sprintf( painCave.errMsg,
175 <             "SimSetup Error. Unrecognized force field in case statement.\n");
202 <    painCave.isFatal = 1;
203 <    simError();
204 <  }
173 >  bond_pair* theBonds;
174 >  bend_set* theBends;
175 >  torsion_set* theTorsions;
176  
206 #ifdef IS_MPI
207  strcpy( checkPointMsg, "ForceField creation successful" );
208  MPIcheckPoint();
209 #endif // is_mpi
177  
178 <  // 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];
178 >  //init the forceField paramters
179  
180 <  if( !the_globals->haveNMol() ){
217 <    // we don't have the total number of molecules, so we assume it is
218 <    // given in each component
180 >  the_ff->readParams();
181  
220    tot_nmol = 0;
221    for( i=0; i<n_components; i++ ){
182  
183 <      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 <      }
183 >  // init the atoms
184  
185 <      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 <  }
185 >  double ux, uy, uz, u, uSqr;
186  
187 < #ifdef IS_MPI
188 <  strcpy( checkPointMsg, "Have the number of components" );
263 <  MPIcheckPoint();
264 < #endif // is_mpi
187 >  for (k = 0; k < nInfo; k++){
188 >    the_ff->setSimInfo(&(info[k]));
189  
190 <  // make an array of molecule stamps that match the components used.
191 <  // also extract the used stamps out into a separate linked list
190 >    atomOffset = 0;
191 >    excludeOffset = 0;
192 >    for (i = 0; i < info[k].n_mol; i++){
193 >      stampID = info[k].molecules[i].getStampID();
194  
195 <  simnfo->nComponents = n_components;
196 <  simnfo->componentsNmol = components_nmol;
197 <  simnfo->compStamps = comp_stamps;
198 <  simnfo->headStamp = new LinkedMolStamp();
199 <  
274 <  char* id;
275 <  LinkedMolStamp* headStamp = simnfo->headStamp;
276 <  LinkedMolStamp* currentStamp = NULL;
277 <  for( i=0; i<n_components; i++ ){
195 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
196 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
197 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
198 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
199 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
200  
201 <    id = the_components[i]->getType();
202 <    comp_stamps[i] = NULL;
203 <    
204 <    // check to make sure the component isn't already in the list
201 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
202 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
203 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
204 >      molInfo.myBends = new Bend * [molInfo.nBends];
205 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
206  
207 <    comp_stamps[i] = headStamp->match( id );
208 <    if( comp_stamps[i] == NULL ){
209 <      
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 <  }
207 >      theBonds = new bond_pair[molInfo.nBonds];
208 >      theBends = new bend_set[molInfo.nBends];
209 >      theTorsions = new torsion_set[molInfo.nTorsions];
210  
211 < #ifdef IS_MPI
305 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
306 <  MPIcheckPoint();
307 < #endif // is_mpi
308 <  
211 >      // make the Atoms
212  
213 +      for (j = 0; j < molInfo.nAtoms; j++){
214 +        currentAtom = comp_stamps[stampID]->getAtom(j);
215 +        if (currentAtom->haveOrientation()){
216 +          dAtom = new DirectionalAtom((j + atomOffset),
217 +                                      info[k].getConfiguration());
218 +          info[k].n_oriented++;
219 +          molInfo.myAtoms[j] = dAtom;
220  
221 +          ux = currentAtom->getOrntX();
222 +          uy = currentAtom->getOrntY();
223 +          uz = currentAtom->getOrntZ();
224  
225 <  // caclulate the number of atoms, bonds, bends and torsions
225 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
226  
227 <  tot_atoms = 0;
228 <  tot_bonds = 0;
229 <  tot_bends = 0;
230 <  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 <  }
227 >          u = sqrt(uSqr);
228 >          ux = ux / u;
229 >          uy = uy / u;
230 >          uz = uz / u;
231  
232 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
232 >          dAtom->setSUx(ux);
233 >          dAtom->setSUy(uy);
234 >          dAtom->setSUz(uz);
235 >        }
236 >        else{
237 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
238 >                                               info[k].getConfiguration());
239 >        }
240 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
241  
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
242   #ifdef IS_MPI
243  
244 <  // divide the molecules among processors here.
340 <  
341 <  mpiSim = new mpiSimulation( simnfo );
342 <  
343 <  globalIndex = mpiSim->divideLabor();
244 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
245  
246 <  // set up the local variables
247 <  
347 <  int localMol, allMol;
348 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
246 > #endif // is_mpi
247 >      }
248  
249 <  int* mol2proc = mpiSim->getMolToProcMap();
250 <  int* molCompType = mpiSim->getMolComponentType();
251 <  
252 <  allMol = 0;
253 <  localMol = 0;
355 <  local_atoms = 0;
356 <  local_bonds = 0;
357 <  local_bends = 0;
358 <  local_torsions = 0;
359 <  globalAtomIndex = 0;
249 >      // make the bonds
250 >      for (j = 0; j < molInfo.nBonds; j++){
251 >        currentBond = comp_stamps[stampID]->getBond(j);
252 >        theBonds[j].a = currentBond->getA() + atomOffset;
253 >        theBonds[j].b = currentBond->getB() + atomOffset;
254  
255 +        exI = theBonds[j].a;
256 +        exJ = theBonds[j].b;
257  
258 <  for( i=0; i<n_components; i++ ){
258 >        // exclude_I must always be the smaller of the pair
259 >        if (exI > exJ){
260 >          tempEx = exI;
261 >          exI = exJ;
262 >          exJ = tempEx;
263 >        }
264 > #ifdef IS_MPI
265 >        tempEx = exI;
266 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
267 >        tempEx = exJ;
268 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
269  
270 <    for( j=0; j<components_nmol[i]; j++ ){
271 <      
272 <      if( mol2proc[allMol] == worldRank ){
273 <        
274 <        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++;
270 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
271 > #else  // isn't MPI
272 >
273 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
274 > #endif  //is_mpi
275        }
276 +      excludeOffset += molInfo.nBonds;
277  
278 <      allMol++;      
279 <    }
280 <  }
281 <  local_SRI = local_bonds + local_bends + local_torsions;
282 <  
283 <  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 <  }
278 >      //make the bends
279 >      for (j = 0; j < molInfo.nBends; j++){
280 >        currentBend = comp_stamps[stampID]->getBend(j);
281 >        theBends[j].a = currentBend->getA() + atomOffset;
282 >        theBends[j].b = currentBend->getB() + atomOffset;
283 >        theBends[j].c = currentBend->getC() + atomOffset;
284  
285 <  simnfo->n_bonds = local_bonds;
286 <  simnfo->n_bends = local_bends;
287 <  simnfo->n_torsions = local_torsions;
399 <  simnfo->n_SRI = local_SRI;
400 <  simnfo->n_mol = localMol;
285 >        if (currentBend->haveExtras()){
286 >          extras = currentBend->getExtras();
287 >          current_extra = extras;
288  
289 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
290 <  MPIcheckPoint();
291 <  
292 <  
293 < #endif // is_mpi
294 <  
289 >          while (current_extra != NULL){
290 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
291 >              switch (current_extra->getType()){
292 >                case 0:
293 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
294 >                  theBends[j].isGhost = 1;
295 >                  break;
296  
297 <  // create the atom and short range interaction arrays
297 >                case 1:
298 >                  theBends[j].ghost = (int) current_extra->getDouble() +
299 >                                      atomOffset;
300 >                  theBends[j].isGhost = 1;
301 >                  break;
302  
303 <  Atom::createArrays(simnfo->n_atoms);
304 <  the_atoms = new Atom*[simnfo->n_atoms];
305 <  the_molecules = new Molecule[simnfo->n_mol];
306 <  int molIndex;
303 >                default:
304 >                  sprintf(painCave.errMsg,
305 >                          "SimSetup Error: ghostVectorSource was neither a "
306 >                          "double nor an int.\n"
307 >                          "-->Bend[%d] in %s\n",
308 >                          j, comp_stamps[stampID]->getID());
309 >                  painCave.isFatal = 1;
310 >                  simError();
311 >              }
312 >            }
313 >            else{
314 >              sprintf(painCave.errMsg,
315 >                      "SimSetup Error: unhandled bend assignment:\n"
316 >                      "    -->%s in Bend[%d] in %s\n",
317 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
318 >              painCave.isFatal = 1;
319 >              simError();
320 >            }
321  
322 <  // initialize the molecule's stampID's
322 >            current_extra = current_extra->getNext();
323 >          }
324 >        }
325  
326 < #ifdef IS_MPI
327 <  
326 >        if (!theBends[j].isGhost){
327 >          exI = theBends[j].a;
328 >          exJ = theBends[j].c;
329 >        }
330 >        else{
331 >          exI = theBends[j].a;
332 >          exJ = theBends[j].b;
333 >        }
334  
335 <  molIndex = 0;
336 <  for(i=0; i<mpiSim->getTotNmol(); i++){
337 <    
338 <    if(mol2proc[i] == worldRank ){
339 <      the_molecules[molIndex].setStampID( molCompType[i] );
340 <      the_molecules[molIndex].setMyIndex( molIndex );
341 <      the_molecules[molIndex].setGlobalIndex( i );
342 <      molIndex++;
343 <    }
344 <  }
335 >        // exclude_I must always be the smaller of the pair
336 >        if (exI > exJ){
337 >          tempEx = exI;
338 >          exI = exJ;
339 >          exJ = tempEx;
340 >        }
341 > #ifdef IS_MPI
342 >        tempEx = exI;
343 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
344 >        tempEx = exJ;
345 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
346  
347 < #else // is_mpi
348 <  
349 <  molIndex = 0;
350 <  globalAtomIndex = 0;
436 <  for(i=0; i<n_components; i++){
437 <    for(j=0; j<components_nmol[i]; j++ ){
438 <      the_molecules[molIndex].setStampID( i );
439 <      the_molecules[molIndex].setMyIndex( molIndex );
440 <      the_molecules[molIndex].setGlobalIndex( molIndex );
441 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
442 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
443 <        globalAtomIndex++;
347 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
348 > #else  // isn't MPI
349 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
350 > #endif  //is_mpi
351        }
352 <      molIndex++;
446 <    }
447 <  }
448 <    
352 >      excludeOffset += molInfo.nBends;
353  
354 < #endif // is_mpi
354 >      for (j = 0; j < molInfo.nTorsions; j++){
355 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
356 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
357 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
358 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
359 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
360  
361 +        exI = theTorsions[j].a;
362 +        exJ = theTorsions[j].d;
363  
364 <  if( simnfo->n_SRI ){
365 <    
366 <    Exclude::createArray(simnfo->n_SRI);
367 <    the_excludes = new Exclude*[simnfo->n_SRI];
368 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
369 <    simnfo->globalExcludes = new int;
370 <    simnfo->n_exclude = simnfo->n_SRI;
371 <  }
372 <  else{
373 <    
374 <    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 <  }
364 >        // exclude_I must always be the smaller of the pair
365 >        if (exI > exJ){
366 >          tempEx = exI;
367 >          exI = exJ;
368 >          exJ = tempEx;
369 >        }
370 > #ifdef IS_MPI
371 >        tempEx = exI;
372 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
373 >        tempEx = exJ;
374 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
375  
376 <  // set the arrays into the SimInfo object
376 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
377 > #else  // isn't MPI
378 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
379 > #endif  //is_mpi
380 >      }
381 >      excludeOffset += molInfo.nTorsions;
382  
474  simnfo->atoms = the_atoms;
475  simnfo->molecules = the_molecules;
476  simnfo->nGlobalExcludes = 0;
477  simnfo->excludes = the_excludes;
383  
384 +      // send the arrays off to the forceField for init.
385  
386 <  // get some of the tricky things that may still be in the globals
386 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
387 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
388 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
389 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
390 >                                 theTorsions);
391  
482  
483  if( the_globals->haveBox() ){
484    simnfo->box_x = the_globals->getBox();
485    simnfo->box_y = the_globals->getBox();
486    simnfo->box_z = the_globals->getBox();
487  }
488  else if( the_globals->haveDensity() ){
392  
393 <    double vol;
491 <    vol = (double)tot_nmol / the_globals->getDensity();
492 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
493 <    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" );
500 <      painCave.isFatal = 1;
501 <      simError();
502 <    }
503 <    simnfo->box_x = the_globals->getBoxX();
393 >      info[k].molecules[i].initialize(molInfo);
394  
505    if( !the_globals->haveBoxY() ){
506      sprintf( painCave.errMsg,
507               "SimSetup error, no periodic BoxY size given.\n" );
508      painCave.isFatal = 1;
509      simError();
510    }
511    simnfo->box_y = the_globals->getBoxY();
395  
396 <    if( !the_globals->haveBoxZ() ){
397 <      sprintf( painCave.errMsg,
398 <               "SimSetup error, no periodic BoxZ size given.\n" );
399 <      painCave.isFatal = 1;
517 <      simError();
396 >      atomOffset += molInfo.nAtoms;
397 >      delete[] theBonds;
398 >      delete[] theBends;
399 >      delete[] theTorsions;
400      }
519    simnfo->box_z = the_globals->getBoxZ();
401    }
402  
403   #ifdef IS_MPI
404 <  strcpy( checkPointMsg, "Box size set up" );
404 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
405    MPIcheckPoint();
406   #endif // is_mpi
407  
408 +  // clean up the forcefield
409  
410 <  // initialize the arrays
410 >  the_ff->calcRcut();
411 >  the_ff->cleanMe();
412 > }
413  
414 <  the_ff->setSimInfo( simnfo );
414 > void SimSetup::initFromBass(void){
415 >  int i, j, k;
416 >  int n_cells;
417 >  double cellx, celly, cellz;
418 >  double temp1, temp2, temp3;
419 >  int n_per_extra;
420 >  int n_extra;
421 >  int have_extra, done;
422  
423 <  makeMolecules();
424 <  simnfo->identArray = new int[simnfo->n_atoms];
425 <  for(i=0; i<simnfo->n_atoms; i++){
426 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
536 <  }
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 <    }
423 >  double vel[3];
424 >  vel[0] = 0.0;
425 >  vel[1] = 0.0;
426 >  vel[2] = 0.0;
427  
428 <    if( !the_globals->haveEST() ){
429 <      sprintf( painCave.errMsg,
430 <               "SimSetup Warning: using default value of 0.05 * the "
431 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
432 <               );
433 <      painCave.isFatal = 0;
434 <      simError();
435 <      simnfo->est = 0.05 * simnfo->ecr;
436 <    } else {
437 <      simnfo->est        = the_globals->getEST();
438 <    }
439 <    
440 <    if(!the_globals->haveDielectric() ){
441 <      sprintf( painCave.errMsg,
442 <               "SimSetup Error: You are trying to use Reaction Field without"
443 <               "setting a dielectric constant!\n"
444 <               );
428 >  temp1 = (double) tot_nmol / 4.0;
429 >  temp2 = pow(temp1, (1.0 / 3.0));
430 >  temp3 = ceil(temp2);
431 >
432 >  have_extra = 0;
433 >  if (temp2 < temp3){
434 >    // we have a non-complete lattice
435 >    have_extra = 1;
436 >
437 >    n_cells = (int) temp3 - 1;
438 >    cellx = info[0].boxL[0] / temp3;
439 >    celly = info[0].boxL[1] / temp3;
440 >    cellz = info[0].boxL[2] / temp3;
441 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
442 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
443 >    n_per_extra = (int) ceil(temp1);
444 >
445 >    if (n_per_extra > 4){
446 >      sprintf(painCave.errMsg,
447 >              "SimSetup error. There has been an error in constructing"
448 >              " the non-complete lattice.\n");
449        painCave.isFatal = 1;
450        simError();
451      }
452 <    simnfo->dielectric = the_globals->getDielectric();  
453 <  } else {
454 <    if (usesDipoles) {
455 <      
456 <      if( !the_globals->haveECR() ){
457 <        sprintf( painCave.errMsg,
458 <                 "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 <  }  
452 >  }
453 >  else{
454 >    n_cells = (int) temp3;
455 >    cellx = info[0].boxL[0] / temp3;
456 >    celly = info[0].boxL[1] / temp3;
457 >    cellz = info[0].boxL[2] / temp3;
458 >  }
459  
460 < #ifdef IS_MPI
461 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
462 <  MPIcheckPoint();
463 < #endif // is_mpi
460 >  current_mol = 0;
461 >  current_comp_mol = 0;
462 >  current_comp = 0;
463 >  current_atom_ndx = 0;
464  
465 < if( the_globals->haveInitialConfig() ){
466 <
467 <     InitializeFromFile* fileInit;
468 < #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
465 >  for (i = 0; i < n_cells ; i++){
466 >    for (j = 0; j < n_cells; j++){
467 >      for (k = 0; k < n_cells; k++){
468 >        makeElement(i * cellx, j * celly, k * cellz);
469  
470 <   delete fileInit;
630 < }
631 < else{
470 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
471  
472 < #ifdef IS_MPI
472 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
473  
474 <  // no init from bass
475 <  
476 <  sprintf( painCave.errMsg,
477 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
639 <  painCave.isFatal;
640 <  simError();
641 <  
642 < #else
474 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
475 >      }
476 >    }
477 >  }
478  
479 <  initFromBass();
479 >  if (have_extra){
480 >    done = 0;
481  
482 +    int start_ndx;
483 +    for (i = 0; i < (n_cells + 1) && !done; i++){
484 +      for (j = 0; j < (n_cells + 1) && !done; j++){
485 +        if (i < n_cells){
486 +          if (j < n_cells){
487 +            start_ndx = n_cells;
488 +          }
489 +          else
490 +            start_ndx = 0;
491 +        }
492 +        else
493 +          start_ndx = 0;
494  
495 < #endif
496 < }
495 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
496 >          makeElement(i * cellx, j * celly, k * cellz);
497 >          done = (current_mol >= tot_nmol);
498  
499 < #ifdef IS_MPI
500 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
501 <  MPIcheckPoint();
502 < #endif // is_mpi
499 >          if (!done && n_per_extra > 1){
500 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
501 >                        k * cellz);
502 >            done = (current_mol >= tot_nmol);
503 >          }
504  
505 +          if (!done && n_per_extra > 2){
506 +            makeElement(i * cellx, j * celly + 0.5 * celly,
507 +                        k * cellz + 0.5 * cellz);
508 +            done = (current_mol >= tot_nmol);
509 +          }
510  
511 <  
512 <
513 <  
514 <
515 <  
516 < #ifdef IS_MPI
662 <  if( worldRank == 0 ){
663 < #endif // is_mpi
664 <    
665 <    if( the_globals->haveFinalConfig() ){
666 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
667 <    }
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" );
511 >          if (!done && n_per_extra > 3){
512 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
513 >                        k * cellz + 0.5 * cellz);
514 >            done = (current_mol >= tot_nmol);
515 >          }
516 >        }
517        }
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      }
518      }
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
519    }
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  }
520  
521 <  if( the_globals->haveStatusTime() ){
522 <    simnfo->statusTime = the_globals->getStatusTime();
521 >  for (i = 0; i < info[0].n_atoms; i++){
522 >    info[0].atoms[i]->setVel(vel);
523    }
524 + }
525  
526 <  if( the_globals->haveThermalTime() ){
527 <    simnfo->thermalTime = the_globals->getThermalTime();
528 <  }
526 > void SimSetup::makeElement(double x, double y, double z){
527 >  int k;
528 >  AtomStamp* current_atom;
529 >  DirectionalAtom* dAtom;
530 >  double rotMat[3][3];
531 >  double pos[3];
532  
533 <  // check for the temperature set flag
533 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
534 >    current_atom = comp_stamps[current_comp]->getAtom(k);
535 >    if (!current_atom->havePosition()){
536 >      sprintf(painCave.errMsg,
537 >              "SimSetup:initFromBass error.\n"
538 >              "\tComponent %s, atom %s does not have a position specified.\n"
539 >              "\tThe initialization routine is unable to give a start"
540 >              " position.\n",
541 >              comp_stamps[current_comp]->getID(), current_atom->getType());
542 >      painCave.isFatal = 1;
543 >      simError();
544 >    }
545  
546 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
546 >    pos[0] = x + current_atom->getPosX();
547 >    pos[1] = y + current_atom->getPosY();
548 >    pos[2] = z + current_atom->getPosZ();
549  
550 +    info[0].atoms[current_atom_ndx]->setPos(pos);
551  
552 <  // make the integrator
553 <  
772 <  
773 <  NVT* myNVT = NULL;
774 <  switch( ensembleCase ){
552 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
553 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
554  
555 <  case NVE_ENS:
556 <    new NVE( simnfo, the_ff );
557 <    break;
779 <
780 <  case NVT_ENS:
781 <    myNVT = new NVT( simnfo, the_ff );
782 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
555 >      rotMat[0][0] = 1.0;
556 >      rotMat[0][1] = 0.0;
557 >      rotMat[0][2] = 0.0;
558  
559 <    if (the_globals->haveTauThermostat())
560 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
561 <    else if (the_globals->haveQmass())
562 <      myNVT->setQmass(the_globals->getQmass());
563 <    else {
564 <      sprintf( painCave.errMsg,
565 <               "SimSetup error: If you use the NVT\n"
566 <               "    ensemble, you must set either tauThermostat or qMass.\n"
567 <               "    Neither of these was found in the BASS file.\n");
793 <      painCave.isFatal = 1;
794 <      simError();
559 >      rotMat[1][0] = 0.0;
560 >      rotMat[1][1] = 1.0;
561 >      rotMat[1][2] = 0.0;
562 >
563 >      rotMat[2][0] = 0.0;
564 >      rotMat[2][1] = 0.0;
565 >      rotMat[2][2] = 1.0;
566 >
567 >      dAtom->setA(rotMat);
568      }
796    break;
569  
570 <  default:
799 <    sprintf( painCave.errMsg,
800 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
801 <    painCave.isFatal = 1;
802 <    simError();
570 >    current_atom_ndx++;
571    }
572  
573 +  current_mol++;
574 +  current_comp_mol++;
575  
576 < #ifdef IS_MPI
577 <  mpiSim->mpiRefresh();
578 < #endif
576 >  if (current_comp_mol >= components_nmol[current_comp]){
577 >    current_comp_mol = 0;
578 >    current_comp++;
579 >  }
580 > }
581  
810  // initialize the Fortran
582  
583 + void SimSetup::gatherInfo(void){
584 +  int i;
585  
586 <  simnfo->refreshSim();
587 <  
588 <  if( !strcmp( simnfo->mixingRule, "standard") ){
589 <    the_ff->initForceField( LB_MIXING_RULE );
586 >  ensembleCase = -1;
587 >  ffCase = -1;
588 >
589 >  // set the easy ones first
590 >
591 >  for (i = 0; i < nInfo; i++){
592 >    info[i].target_temp = globals->getTargetTemp();
593 >    info[i].dt = globals->getDt();
594 >    info[i].run_time = globals->getRunTime();
595    }
596 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
597 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
596 >  n_components = globals->getNComponents();
597 >
598 >
599 >  // get the forceField
600 >
601 >  strcpy(force_field, globals->getForceField());
602 >
603 >  if (!strcasecmp(force_field, "DUFF")){
604 >    ffCase = FF_DUFF;
605    }
606 +  else if (!strcasecmp(force_field, "LJ")){
607 +    ffCase = FF_LJ;
608 +  }
609 +  else if (!strcasecmp(force_field, "EAM")){
610 +    ffCase = FF_EAM;
611 +  }
612    else{
613 <    sprintf( painCave.errMsg,
614 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
615 <             simnfo->mixingRule );
613 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
614 >            force_field);
615 >         painCave.isFatal = 1;
616 >         simError();
617 >  }
618 >
619 >    // get the ensemble
620 >
621 >  strcpy(ensemble, globals->getEnsemble());
622 >
623 >  if (!strcasecmp(ensemble, "NVE")){
624 >    ensembleCase = NVE_ENS;
625 >  }
626 >  else if (!strcasecmp(ensemble, "NVT")){
627 >    ensembleCase = NVT_ENS;
628 >  }
629 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
630 >    ensembleCase = NPTi_ENS;
631 >  }
632 >  else if (!strcasecmp(ensemble, "NPTf")){
633 >    ensembleCase = NPTf_ENS;
634 >  }
635 >  else if (!strcasecmp(ensemble, "NPTxyz")){
636 >    ensembleCase = NPTxyz_ENS;
637 >  }
638 >  else{
639 >    sprintf(painCave.errMsg,
640 >            "SimSetup Warning. Unrecognized Ensemble -> %s, "
641 >            "reverting to NVE for this simulation.\n",
642 >            ensemble);
643 >         painCave.isFatal = 0;
644 >         simError();
645 >         strcpy(ensemble, "NVE");
646 >         ensembleCase = NVE_ENS;
647 >  }  
648 >
649 >  for (i = 0; i < nInfo; i++){
650 >    strcpy(info[i].ensemble, ensemble);
651 >
652 >    // get the mixing rule
653 >
654 >    strcpy(info[i].mixingRule, globals->getMixingRule());
655 >    info[i].usePBC = globals->getPBC();
656 >  }
657 >
658 >  // get the components and calculate the tot_nMol and indvidual n_mol
659 >
660 >  the_components = globals->getComponents();
661 >  components_nmol = new int[n_components];
662 >
663 >
664 >  if (!globals->haveNMol()){
665 >    // we don't have the total number of molecules, so we assume it is
666 >    // given in each component
667 >
668 >    tot_nmol = 0;
669 >    for (i = 0; i < n_components; i++){
670 >      if (!the_components[i]->haveNMol()){
671 >        // we have a problem
672 >        sprintf(painCave.errMsg,
673 >                "SimSetup Error. No global NMol or component NMol"
674 >                " given. Cannot calculate the number of atoms.\n");
675 >        painCave.isFatal = 1;
676 >        simError();
677 >      }
678 >
679 >      tot_nmol += the_components[i]->getNMol();
680 >      components_nmol[i] = the_components[i]->getNMol();
681 >    }
682 >  }
683 >  else{
684 >    sprintf(painCave.errMsg,
685 >            "SimSetup error.\n"
686 >            "\tSorry, the ability to specify total"
687 >            " nMols and then give molfractions in the components\n"
688 >            "\tis not currently supported."
689 >            " Please give nMol in the components.\n");
690      painCave.isFatal = 1;
691      simError();
692    }
693  
694 +  //check whether sample time, status time, thermal time and reset time are divisble by dt
695 +  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
696 +    sprintf(painCave.errMsg,
697 +              "Sample time is not divisible by dt \n");
698 +    painCave.isFatal = 0;
699 +    simError();    
700 +  }
701  
702 < #ifdef IS_MPI
703 <  strcpy( checkPointMsg,
704 <          "Successfully intialized the mixingRule for Fortran." );
705 <  MPIcheckPoint();
706 < #endif // is_mpi
707 < }
702 >  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
703 >    sprintf(painCave.errMsg,
704 >              "Status time is not divisible by dt\n");
705 >    painCave.isFatal = 0;
706 >    simError();    
707 >  }
708  
709 +  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
710 +    sprintf(painCave.errMsg,
711 +              "Thermal time is not divisible by dt\n");
712 +    painCave.isFatal = 0;
713 +    simError();    
714 +  }  
715  
716 < void SimSetup::makeMolecules( void ){
716 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
717 >    sprintf(painCave.errMsg,
718 >              "Reset time is not divisible by dt\n");
719 >    painCave.isFatal = 0;
720 >    simError();    
721 >  }
722  
723 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
841 <  molInit info;
842 <  DirectionalAtom* dAtom;
843 <  LinkedAssign* extras;
844 <  LinkedAssign* current_extra;
845 <  AtomStamp* currentAtom;
846 <  BondStamp* currentBond;
847 <  BendStamp* currentBend;
848 <  TorsionStamp* currentTorsion;
723 >  // set the status, sample, and thermal kick times
724  
725 <  bond_pair* theBonds;
726 <  bend_set* theBends;
727 <  torsion_set* theTorsions;
725 >  for (i = 0; i < nInfo; i++){
726 >    if (globals->haveSampleTime()){
727 >      info[i].sampleTime = globals->getSampleTime();
728 >      info[i].statusTime = info[i].sampleTime;
729 >      info[i].thermalTime = info[i].sampleTime;
730 >    }
731 >    else{
732 >      info[i].sampleTime = globals->getRunTime();
733 >      info[i].statusTime = info[i].sampleTime;
734 >      info[i].thermalTime = info[i].sampleTime;
735 >    }
736  
737 <  
738 <  //init the forceField paramters
737 >    if (globals->haveStatusTime()){
738 >      info[i].statusTime = globals->getStatusTime();
739 >    }
740  
741 <  the_ff->readParams();
741 >    if (globals->haveThermalTime()){
742 >      info[i].thermalTime = globals->getThermalTime();
743 >    }
744  
745 <  
746 <  // init the atoms
745 >    info[i].resetIntegrator = 0;
746 >    if( globals->haveResetTime() ){
747 >      info[i].resetTime = globals->getResetTime();
748 >      info[i].resetIntegrator = 1;
749 >    }
750  
751 <  double ux, uy, uz, u, uSqr;
863 <  
864 <  atomOffset = 0;
865 <  excludeOffset = 0;
866 <  for(i=0; i<simnfo->n_mol; i++){
751 >    // check for the temperature set flag
752      
753 <    stampID = the_molecules[i].getStampID();
753 >    if (globals->haveTempSet())
754 >      info[i].setTemp = globals->getTempSet();
755  
756 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
871 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
872 <    info.nBends    = comp_stamps[stampID]->getNBends();
873 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
874 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
756 >    // check for the extended State init
757  
758 <    info.myAtoms = &the_atoms[atomOffset];
759 <    info.myExcludes = &the_excludes[excludeOffset];
878 <    info.myBonds = new Bond*[info.nBonds];
879 <    info.myBends = new Bend*[info.nBends];
880 <    info.myTorsions = new Torsion*[info.nTorsions];
881 <
882 <    theBonds = new bond_pair[info.nBonds];
883 <    theBends = new bend_set[info.nBends];
884 <    theTorsions = new torsion_set[info.nTorsions];
758 >    info[i].useInitXSstate = globals->getUseInitXSstate();
759 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
760      
761 <    // make the Atoms
762 <    
763 <    for(j=0; j<info.nAtoms; j++){
764 <      
765 <      currentAtom = comp_stamps[stampID]->getAtom( j );
766 <      if( currentAtom->haveOrientation() ){
767 <        
768 <        dAtom = new DirectionalAtom(j + atomOffset);
769 <        simnfo->n_oriented++;
770 <        info.myAtoms[j] = dAtom;
771 <        
772 <        ux = currentAtom->getOrntX();
773 <        uy = currentAtom->getOrntY();
774 <        uz = currentAtom->getOrntZ();
775 <        
776 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
777 <        
778 <        u = sqrt( uSqr );
779 <        ux = ux / u;
780 <        uy = uy / u;
781 <        uz = uz / u;
907 <        
908 <        dAtom->setSUx( ux );
909 <        dAtom->setSUy( uy );
910 <        dAtom->setSUz( uz );
761 >  }
762 >  
763 >  //setup seed for random number generator
764 >  int seedValue;
765 >
766 >  if (globals->haveSeed()){
767 >    seedValue = globals->getSeed();
768 >
769 >    if(seedValue / 1E9 == 0){
770 >      sprintf(painCave.errMsg,
771 >              "Seed for sprng library should contain at least 9 digits\n"
772 >              "OOPSE will generate a seed for user\n");
773 >      painCave.isFatal = 0;
774 >      simError();
775 >
776 >      //using seed generated by system instead of invalid seed set by user
777 > #ifndef IS_MPI
778 >      seedValue = make_sprng_seed();
779 > #else
780 >      if (worldRank == 0){
781 >        seedValue = make_sprng_seed();
782        }
783 <      else{
784 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
785 <      }
786 <      info.myAtoms[j]->setType( currentAtom->getType() );
783 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
784 > #endif      
785 >    }
786 >  }//end of if branch of globals->haveSeed()
787 >  else{
788      
789 + #ifndef IS_MPI
790 +    seedValue = make_sprng_seed();
791 + #else
792 +    if (worldRank == 0){
793 +      seedValue = make_sprng_seed();
794 +    }
795 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
796 + #endif
797 +  }//end of globals->haveSeed()
798 +
799 +  for (int i = 0; i < nInfo; i++){
800 +    info[i].setSeed(seedValue);
801 +  }
802 +
803   #ifdef IS_MPI
804 <      
805 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
920 <      
804 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
805 >  MPIcheckPoint();
806   #endif // is_mpi
807 <    }
923 <    
924 <    // make the bonds
925 <    for(j=0; j<info.nBonds; j++){
926 <      
927 <      currentBond = comp_stamps[stampID]->getBond( j );
928 <      theBonds[j].a = currentBond->getA() + atomOffset;
929 <      theBonds[j].b = currentBond->getB() + atomOffset;
807 > }
808  
931      exI = theBonds[j].a;
932      exJ = theBonds[j].b;
809  
810 <      // exclude_I must always be the smaller of the pair
811 <      if( exI > exJ ){
812 <        tempEx = exI;
813 <        exI = exJ;
938 <        exJ = tempEx;
939 <      }
940 < #ifdef IS_MPI
941 <      tempEx = exI;
942 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
943 <      tempEx = exJ;
944 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
945 <      
946 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
947 < #else  // isn't MPI
810 > void SimSetup::finalInfoCheck(void){
811 >  int index;
812 >  int usesDipoles;
813 >  int i;
814  
815 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
816 < #endif  //is_mpi
815 >  for (i = 0; i < nInfo; i++){
816 >    // check electrostatic parameters
817 >
818 >    index = 0;
819 >    usesDipoles = 0;
820 >    while ((index < info[i].n_atoms) && !usesDipoles){
821 >      usesDipoles = (info[i].atoms[index])->hasDipole();
822 >      index++;
823      }
952    excludeOffset += info.nBonds;
824  
825 <    //make the bends
826 <    for(j=0; j<info.nBends; j++){
827 <      
828 <      currentBend = comp_stamps[stampID]->getBend( j );
829 <      theBends[j].a = currentBend->getA() + atomOffset;
830 <      theBends[j].b = currentBend->getB() + atomOffset;
831 <      theBends[j].c = currentBend->getC() + atomOffset;
832 <          
833 <      if( currentBend->haveExtras() ){
834 <            
835 <        extras = currentBend->getExtras();
836 <        current_extra = extras;
837 <            
838 <        while( current_extra != NULL ){
839 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
840 <                
841 <            switch( current_extra->getType() ){
971 <              
972 <            case 0:
973 <              theBends[j].ghost =
974 <                current_extra->getInt() + atomOffset;
975 <              theBends[j].isGhost = 1;
976 <              break;
977 <                  
978 <            case 1:
979 <              theBends[j].ghost =
980 <                (int)current_extra->getDouble() + atomOffset;
981 <              theBends[j].isGhost = 1;
982 <              break;
983 <              
984 <            default:
985 <              sprintf( painCave.errMsg,
986 <                       "SimSetup Error: ghostVectorSource was neither a "
987 <                       "double nor an int.\n"
988 <                       "-->Bend[%d] in %s\n",
989 <                       j, comp_stamps[stampID]->getID() );
990 <              painCave.isFatal = 1;
991 <              simError();
992 <            }
993 <          }
994 <          
995 <          else{
996 <            
997 <            sprintf( painCave.errMsg,
998 <                     "SimSetup Error: unhandled bend assignment:\n"
999 <                     "    -->%s in Bend[%d] in %s\n",
1000 <                     current_extra->getlhs(),
1001 <                     j, comp_stamps[stampID]->getID() );
1002 <            painCave.isFatal = 1;
1003 <            simError();
1004 <          }
1005 <          
1006 <          current_extra = current_extra->getNext();
1007 <        }
825 > #ifdef IS_MPI
826 >    int myUse = usesDipoles;
827 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
828 > #endif //is_mpi
829 >
830 >    double theEcr, theEst;
831 >
832 >    if (globals->getUseRF()){
833 >      info[i].useReactionField = 1;
834 >
835 >      if (!globals->haveECR()){
836 >        sprintf(painCave.errMsg,
837 >                "SimSetup Warning: using default value of 15.0 angstroms"
838 >                "box length for the electrostaticCutoffRadius.\n");
839 >        painCave.isFatal = 0;
840 >        simError();
841 >        theEcr = 15.0;
842        }
1009          
1010      if( !theBends[j].isGhost ){
1011            
1012        exI = theBends[j].a;
1013        exJ = theBends[j].c;
1014      }
843        else{
844 <        
1017 <        exI = theBends[j].a;
1018 <        exJ = theBends[j].b;
844 >        theEcr = globals->getECR();
845        }
846 <      
847 <      // exclude_I must always be the smaller of the pair
848 <      if( exI > exJ ){
849 <        tempEx = exI;
850 <        exI = exJ;
851 <        exJ = tempEx;
846 >
847 >      if (!globals->haveEST()){
848 >        sprintf(painCave.errMsg,
849 >                "SimSetup Warning: using default value of 0.05 * the "
850 >                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
851 >        painCave.isFatal = 0;
852 >        simError();
853 >        theEst = 0.05 * theEcr;
854        }
855 < #ifdef IS_MPI
856 <      tempEx = exI;
857 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1030 <      tempEx = exJ;
1031 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1032 <      
1033 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1034 < #else  // isn't MPI
1035 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1036 < #endif  //is_mpi
1037 <    }
1038 <    excludeOffset += info.nBends;
855 >      else{
856 >        theEst = globals->getEST();
857 >      }
858  
859 <    for(j=0; j<info.nTorsions; j++){
1041 <      
1042 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1043 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1044 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1045 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1046 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1047 <      
1048 <      exI = theTorsions[j].a;
1049 <      exJ = theTorsions[j].d;
859 >      info[i].setDefaultEcr(theEcr, theEst);
860  
861 <      // exclude_I must always be the smaller of the pair
862 <      if( exI > exJ ){
863 <        tempEx = exI;
864 <        exI = exJ;
865 <        exJ = tempEx;
861 >      if (!globals->haveDielectric()){
862 >        sprintf(painCave.errMsg,
863 >                "SimSetup Error: You are trying to use Reaction Field without"
864 >                "setting a dielectric constant!\n");
865 >        painCave.isFatal = 1;
866 >        simError();
867        }
868 < #ifdef IS_MPI
1058 <      tempEx = exI;
1059 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1060 <      tempEx = exJ;
1061 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1062 <      
1063 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1064 < #else  // isn't MPI
1065 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1066 < #endif  //is_mpi
868 >      info[i].dielectric = globals->getDielectric();
869      }
870 <    excludeOffset += info.nTorsions;
871 <
872 <    
873 <    // send the arrays off to the forceField for init.
874 <
875 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
876 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
877 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
878 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
879 <
880 <
881 <    the_molecules[i].initialize( info );
882 <
883 <
884 <    atomOffset += info.nAtoms;
885 <    delete[] theBonds;
886 <    delete[] theBends;
887 <    delete[] theTorsions;
870 >    else{
871 >      if (usesDipoles){
872 >        if (!globals->haveECR()){
873 >          sprintf(painCave.errMsg,
874 >                  "SimSetup Warning: using default value of 15.0 angstroms"
875 >                  "box length for the electrostaticCutoffRadius.\n");
876 >          painCave.isFatal = 0;
877 >          simError();
878 >          theEcr = 15.0;
879 >        }
880 >        else{
881 >          theEcr = globals->getECR();
882 >        }
883 >        
884 >        if (!globals->haveEST()){
885 >          sprintf(painCave.errMsg,
886 >                  "SimSetup Warning: using default value of 0.05 * the "
887 >                  "electrostaticCutoffRadius for the "
888 >                  "electrostaticSkinThickness\n");
889 >          painCave.isFatal = 0;
890 >          simError();
891 >          theEst = 0.05 * theEcr;
892 >        }
893 >        else{
894 >          theEst = globals->getEST();
895 >        }
896 >        
897 >        info[i].setDefaultEcr(theEcr, theEst);
898 >      }
899 >    }
900    }
1087
901   #ifdef IS_MPI
902 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
902 >  strcpy(checkPointMsg, "post processing checks out");
903    MPIcheckPoint();
904   #endif // is_mpi
1092
1093  // clean up the forcefield
1094  the_ff->calcRcut();
1095  the_ff->cleanMe();
1096
905   }
906 +  
907 + void SimSetup::initSystemCoords(void){
908 +  int i;
909  
910 < void SimSetup::initFromBass( void ){
910 >  char* inName;
911  
912 <  int i, j, k;
1102 <  int n_cells;
1103 <  double cellx, celly, cellz;
1104 <  double temp1, temp2, temp3;
1105 <  int n_per_extra;
1106 <  int n_extra;
1107 <  int have_extra, done;
912 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
913  
914 <  temp1 = (double)tot_nmol / 4.0;
915 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1111 <  temp3 = ceil( temp2 );
914 >  for (i = 0; i < info[0].n_atoms; i++)
915 >    info[0].atoms[i]->setCoords();
916  
917 <  have_extra =0;
918 <  if( temp2 < temp3 ){ // we have a non-complete lattice
919 <    have_extra =1;
920 <
921 <    n_cells = (int)temp3 - 1;
922 <    cellx = simnfo->box_x / temp3;
923 <    celly = simnfo->box_y / temp3;
924 <    cellz = simnfo->box_z / temp3;
1121 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1122 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1123 <    n_per_extra = (int)ceil( temp1 );
1124 <
1125 <    if( n_per_extra > 4){
1126 <      sprintf( painCave.errMsg,
1127 <               "SimSetup error. There has been an error in constructing"
1128 <               " the non-complete lattice.\n" );
1129 <      painCave.isFatal = 1;
1130 <      simError();
917 >  if (globals->haveInitialConfig()){
918 >    InitializeFromFile* fileInit;
919 > #ifdef IS_MPI // is_mpi
920 >    if (worldRank == 0){
921 > #endif //is_mpi
922 >      inName = globals->getInitialConfig();
923 >      fileInit = new InitializeFromFile(inName);
924 > #ifdef IS_MPI
925      }
926 +    else
927 +      fileInit = new InitializeFromFile(NULL);
928 + #endif
929 +    fileInit->readInit(info); // default velocities on
930 +
931 +    delete fileInit;
932    }
933    else{
934 <    n_cells = (int)temp3;
935 <    cellx = simnfo->box_x / temp3;
936 <    celly = simnfo->box_y / temp3;
937 <    cellz = simnfo->box_z / temp3;
934 >    
935 >    // no init from bass
936 >    
937 >    sprintf(painCave.errMsg,
938 >            "Cannot intialize a simulation without an initial configuration file.\n");
939 >    painCave.isFatal = 1;;
940 >    simError();
941 >    
942    }
943  
944 <  current_mol = 0;
945 <  current_comp_mol = 0;
946 <  current_comp = 0;
947 <  current_atom_ndx = 0;
1144 <
1145 <  for( i=0; i < n_cells ; i++ ){
1146 <    for( j=0; j < n_cells; j++ ){
1147 <      for( k=0; k < n_cells; k++ ){
1148 <
1149 <        makeElement( i * cellx,
1150 <                     j * celly,
1151 <                     k * cellz );
1152 <
1153 <        makeElement( i * cellx + 0.5 * cellx,
1154 <                     j * celly + 0.5 * celly,
1155 <                     k * cellz );
1156 <
1157 <        makeElement( i * cellx,
1158 <                     j * celly + 0.5 * celly,
1159 <                     k * cellz + 0.5 * cellz );
1160 <
1161 <        makeElement( i * cellx + 0.5 * cellx,
1162 <                     j * celly,
1163 <                     k * cellz + 0.5 * cellz );
1164 <      }
1165 <    }
1166 <  }
1167 <
1168 <  if( have_extra ){
1169 <    done = 0;
1170 <
1171 <    int start_ndx;
1172 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1173 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1174 <
1175 <        if( i < n_cells ){
1176 <
1177 <          if( j < n_cells ){
1178 <            start_ndx = n_cells;
1179 <          }
1180 <          else start_ndx = 0;
1181 <        }
1182 <        else start_ndx = 0;
1183 <
1184 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1185 <
1186 <          makeElement( i * cellx,
1187 <                       j * celly,
1188 <                       k * cellz );
1189 <          done = ( current_mol >= tot_nmol );
1190 <
1191 <          if( !done && n_per_extra > 1 ){
1192 <            makeElement( i * cellx + 0.5 * cellx,
1193 <                         j * celly + 0.5 * celly,
1194 <                         k * cellz );
1195 <            done = ( current_mol >= tot_nmol );
1196 <          }
1197 <
1198 <          if( !done && n_per_extra > 2){
1199 <            makeElement( i * cellx,
1200 <                         j * celly + 0.5 * celly,
1201 <                         k * cellz + 0.5 * cellz );
1202 <            done = ( current_mol >= tot_nmol );
1203 <          }
1204 <
1205 <          if( !done && n_per_extra > 3){
1206 <            makeElement( i * cellx + 0.5 * cellx,
1207 <                         j * celly,
1208 <                         k * cellz + 0.5 * cellz );
1209 <            done = ( current_mol >= tot_nmol );
1210 <          }
1211 <        }
1212 <      }
1213 <    }
1214 <  }
1215 <
1216 <
1217 <  for( i=0; i<simnfo->n_atoms; i++ ){
1218 <    simnfo->atoms[i]->set_vx( 0.0 );
1219 <    simnfo->atoms[i]->set_vy( 0.0 );
1220 <    simnfo->atoms[i]->set_vz( 0.0 );
1221 <  }
944 > #ifdef IS_MPI
945 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
946 >  MPIcheckPoint();
947 > #endif // is_mpi
948   }
949  
1224 void SimSetup::makeElement( double x, double y, double z ){
950  
951 + void SimSetup::makeOutNames(void){
952    int k;
1227  AtomStamp* current_atom;
1228  DirectionalAtom* dAtom;
1229  double rotMat[3][3];
953  
1231  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
954  
955 <    current_atom = comp_stamps[current_comp]->getAtom( k );
956 <    if( !current_atom->havePosition() ){
957 <      sprintf( painCave.errMsg,
958 <               "SimSetup:initFromBass error.\n"
959 <               "\tComponent %s, atom %s does not have a position specified.\n"
960 <               "\tThe initialization routine is unable to give a start"
961 <               " position.\n",
962 <               comp_stamps[current_comp]->getID(),
963 <               current_atom->getType() );
955 >  for (k = 0; k < nInfo; k++){
956 > #ifdef IS_MPI
957 >    if (worldRank == 0){
958 > #endif // is_mpi
959 >
960 >      if (globals->haveFinalConfig()){
961 >        strcpy(info[k].finalName, globals->getFinalConfig());
962 >      }
963 >      else{
964 >        strcpy(info[k].finalName, inFileName);
965 >        char* endTest;
966 >        int nameLength = strlen(info[k].finalName);
967 >        endTest = &(info[k].finalName[nameLength - 5]);
968 >        if (!strcmp(endTest, ".bass")){
969 >          strcpy(endTest, ".eor");
970 >        }
971 >        else if (!strcmp(endTest, ".BASS")){
972 >          strcpy(endTest, ".eor");
973 >        }
974 >        else{
975 >          endTest = &(info[k].finalName[nameLength - 4]);
976 >          if (!strcmp(endTest, ".bss")){
977 >            strcpy(endTest, ".eor");
978 >          }
979 >          else if (!strcmp(endTest, ".mdl")){
980 >            strcpy(endTest, ".eor");
981 >          }
982 >          else{
983 >            strcat(info[k].finalName, ".eor");
984 >          }
985 >        }
986 >      }
987 >
988 >      // make the sample and status out names
989 >
990 >      strcpy(info[k].sampleName, inFileName);
991 >      char* endTest;
992 >      int nameLength = strlen(info[k].sampleName);
993 >      endTest = &(info[k].sampleName[nameLength - 5]);
994 >      if (!strcmp(endTest, ".bass")){
995 >        strcpy(endTest, ".dump");
996 >      }
997 >      else if (!strcmp(endTest, ".BASS")){
998 >        strcpy(endTest, ".dump");
999 >      }
1000 >      else{
1001 >        endTest = &(info[k].sampleName[nameLength - 4]);
1002 >        if (!strcmp(endTest, ".bss")){
1003 >          strcpy(endTest, ".dump");
1004 >        }
1005 >        else if (!strcmp(endTest, ".mdl")){
1006 >          strcpy(endTest, ".dump");
1007 >        }
1008 >        else{
1009 >          strcat(info[k].sampleName, ".dump");
1010 >        }
1011 >      }
1012 >
1013 >      strcpy(info[k].statusName, inFileName);
1014 >      nameLength = strlen(info[k].statusName);
1015 >      endTest = &(info[k].statusName[nameLength - 5]);
1016 >      if (!strcmp(endTest, ".bass")){
1017 >        strcpy(endTest, ".stat");
1018 >      }
1019 >      else if (!strcmp(endTest, ".BASS")){
1020 >        strcpy(endTest, ".stat");
1021 >      }
1022 >      else{
1023 >        endTest = &(info[k].statusName[nameLength - 4]);
1024 >        if (!strcmp(endTest, ".bss")){
1025 >          strcpy(endTest, ".stat");
1026 >        }
1027 >        else if (!strcmp(endTest, ".mdl")){
1028 >          strcpy(endTest, ".stat");
1029 >        }
1030 >        else{
1031 >          strcat(info[k].statusName, ".stat");
1032 >        }
1033 >      }
1034 >
1035 > #ifdef IS_MPI
1036 >
1037 >    }
1038 > #endif // is_mpi
1039 >  }
1040 > }
1041 >
1042 >
1043 > void SimSetup::sysObjectsCreation(void){
1044 >  int i, k;
1045 >
1046 >  // create the forceField
1047 >
1048 >  createFF();
1049 >
1050 >  // extract componentList
1051 >
1052 >  compList();
1053 >
1054 >  // calc the number of atoms, bond, bends, and torsions
1055 >
1056 >  calcSysValues();
1057 >
1058 > #ifdef IS_MPI
1059 >  // divide the molecules among the processors
1060 >
1061 >  mpiMolDivide();
1062 > #endif //is_mpi
1063 >
1064 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1065 >
1066 >  makeSysArrays();
1067 >
1068 >  // make and initialize the molecules (all but atomic coordinates)
1069 >
1070 >  makeMolecules();
1071 >
1072 >  for (k = 0; k < nInfo; k++){
1073 >    info[k].identArray = new int[info[k].n_atoms];
1074 >    for (i = 0; i < info[k].n_atoms; i++){
1075 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1076 >    }
1077 >  }
1078 > }
1079 >
1080 >
1081 > void SimSetup::createFF(void){
1082 >  switch (ffCase){
1083 >    case FF_DUFF:
1084 >      the_ff = new DUFF();
1085 >      break;
1086 >
1087 >    case FF_LJ:
1088 >      the_ff = new LJFF();
1089 >      break;
1090 >
1091 >    case FF_EAM:
1092 >      the_ff = new EAM_FF();
1093 >      break;
1094 >
1095 >    default:
1096 >      sprintf(painCave.errMsg,
1097 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1098        painCave.isFatal = 1;
1099        simError();
1100 +  }
1101 +
1102 + #ifdef IS_MPI
1103 +  strcpy(checkPointMsg, "ForceField creation successful");
1104 +  MPIcheckPoint();
1105 + #endif // is_mpi
1106 + }
1107 +
1108 +
1109 + void SimSetup::compList(void){
1110 +  int i;
1111 +  char* id;
1112 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1113 +  LinkedMolStamp* currentStamp = NULL;
1114 +  comp_stamps = new MoleculeStamp * [n_components];
1115 +
1116 +  // make an array of molecule stamps that match the components used.
1117 +  // also extract the used stamps out into a separate linked list
1118 +
1119 +  for (i = 0; i < nInfo; i++){
1120 +    info[i].nComponents = n_components;
1121 +    info[i].componentsNmol = components_nmol;
1122 +    info[i].compStamps = comp_stamps;
1123 +    info[i].headStamp = headStamp;
1124 +  }
1125 +
1126 +
1127 +  for (i = 0; i < n_components; i++){
1128 +    id = the_components[i]->getType();
1129 +    comp_stamps[i] = NULL;
1130 +
1131 +    // check to make sure the component isn't already in the list
1132 +
1133 +    comp_stamps[i] = headStamp->match(id);
1134 +    if (comp_stamps[i] == NULL){
1135 +      // extract the component from the list;
1136 +
1137 +      currentStamp = stamps->extractMolStamp(id);
1138 +      if (currentStamp == NULL){
1139 +        sprintf(painCave.errMsg,
1140 +                "SimSetup error: Component \"%s\" was not found in the "
1141 +                "list of declared molecules\n",
1142 +                id);
1143 +        painCave.isFatal = 1;
1144 +        simError();
1145 +      }
1146 +
1147 +      headStamp->add(currentStamp);
1148 +      comp_stamps[i] = headStamp->match(id);
1149      }
1150 +  }
1151  
1152 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1153 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1154 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1152 > #ifdef IS_MPI
1153 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1154 >  MPIcheckPoint();
1155 > #endif // is_mpi
1156 > }
1157  
1158 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1158 > void SimSetup::calcSysValues(void){
1159 >  int i;
1160  
1161 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1161 >  int* molMembershipArray;
1162  
1163 <      rotMat[0][0] = 1.0;
1164 <      rotMat[0][1] = 0.0;
1165 <      rotMat[0][2] = 0.0;
1163 >  tot_atoms = 0;
1164 >  tot_bonds = 0;
1165 >  tot_bends = 0;
1166 >  tot_torsions = 0;
1167 >  for (i = 0; i < n_components; i++){
1168 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1169 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1170 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1171 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1172 >  }
1173  
1174 <      rotMat[1][0] = 0.0;
1175 <      rotMat[1][1] = 1.0;
1260 <      rotMat[1][2] = 0.0;
1174 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1175 >  molMembershipArray = new int[tot_atoms];
1176  
1177 <      rotMat[2][0] = 0.0;
1178 <      rotMat[2][1] = 0.0;
1179 <      rotMat[2][2] = 1.0;
1177 >  for (i = 0; i < nInfo; i++){
1178 >    info[i].n_atoms = tot_atoms;
1179 >    info[i].n_bonds = tot_bonds;
1180 >    info[i].n_bends = tot_bends;
1181 >    info[i].n_torsions = tot_torsions;
1182 >    info[i].n_SRI = tot_SRI;
1183 >    info[i].n_mol = tot_nmol;
1184  
1185 <      dAtom->setA( rotMat );
1185 >    info[i].molMembershipArray = molMembershipArray;
1186 >  }
1187 > }
1188 >
1189 > #ifdef IS_MPI
1190 >
1191 > void SimSetup::mpiMolDivide(void){
1192 >  int i, j, k;
1193 >  int localMol, allMol;
1194 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1195 >
1196 >  mpiSim = new mpiSimulation(info);
1197 >
1198 >  globalIndex = mpiSim->divideLabor();
1199 >
1200 >  // set up the local variables
1201 >
1202 >  mol2proc = mpiSim->getMolToProcMap();
1203 >  molCompType = mpiSim->getMolComponentType();
1204 >
1205 >  allMol = 0;
1206 >  localMol = 0;
1207 >  local_atoms = 0;
1208 >  local_bonds = 0;
1209 >  local_bends = 0;
1210 >  local_torsions = 0;
1211 >  globalAtomIndex = 0;
1212 >
1213 >
1214 >  for (i = 0; i < n_components; i++){
1215 >    for (j = 0; j < components_nmol[i]; j++){
1216 >      if (mol2proc[allMol] == worldRank){
1217 >        local_atoms += comp_stamps[i]->getNAtoms();
1218 >        local_bonds += comp_stamps[i]->getNBonds();
1219 >        local_bends += comp_stamps[i]->getNBends();
1220 >        local_torsions += comp_stamps[i]->getNTorsions();
1221 >        localMol++;
1222 >      }      
1223 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1224 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1225 >        globalAtomIndex++;
1226 >      }
1227 >
1228 >      allMol++;
1229      }
1230 +  }
1231 +  local_SRI = local_bonds + local_bends + local_torsions;
1232  
1233 <    current_atom_ndx++;
1233 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1234 >
1235 >  if (local_atoms != info[0].n_atoms){
1236 >    sprintf(painCave.errMsg,
1237 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1238 >            " localAtom (%d) are not equal.\n",
1239 >            info[0].n_atoms, local_atoms);
1240 >    painCave.isFatal = 1;
1241 >    simError();
1242    }
1243  
1244 <  current_mol++;
1245 <  current_comp_mol++;
1244 >  info[0].n_bonds = local_bonds;
1245 >  info[0].n_bends = local_bends;
1246 >  info[0].n_torsions = local_torsions;
1247 >  info[0].n_SRI = local_SRI;
1248 >  info[0].n_mol = localMol;
1249  
1250 <  if( current_comp_mol >= components_nmol[current_comp] ){
1250 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1251 >  MPIcheckPoint();
1252 > }
1253  
1254 <    current_comp_mol = 0;
1255 <    current_comp++;
1254 > #endif // is_mpi
1255 >
1256 >
1257 > void SimSetup::makeSysArrays(void){
1258 >
1259 > #ifndef IS_MPI
1260 >  int k, j;
1261 > #endif // is_mpi
1262 >  int i, l;
1263 >
1264 >  Atom** the_atoms;
1265 >  Molecule* the_molecules;
1266 >  Exclude** the_excludes;
1267 >
1268 >
1269 >  for (l = 0; l < nInfo; l++){
1270 >    // create the atom and short range interaction arrays
1271 >
1272 >    the_atoms = new Atom * [info[l].n_atoms];
1273 >    the_molecules = new Molecule[info[l].n_mol];
1274 >    int molIndex;
1275 >
1276 >    // initialize the molecule's stampID's
1277 >
1278 > #ifdef IS_MPI
1279 >
1280 >
1281 >    molIndex = 0;
1282 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1283 >      if (mol2proc[i] == worldRank){
1284 >        the_molecules[molIndex].setStampID(molCompType[i]);
1285 >        the_molecules[molIndex].setMyIndex(molIndex);
1286 >        the_molecules[molIndex].setGlobalIndex(i);
1287 >        molIndex++;
1288 >      }
1289 >    }
1290 >
1291 > #else // is_mpi
1292 >
1293 >    molIndex = 0;
1294 >    globalAtomIndex = 0;
1295 >    for (i = 0; i < n_components; i++){
1296 >      for (j = 0; j < components_nmol[i]; j++){
1297 >        the_molecules[molIndex].setStampID(i);
1298 >        the_molecules[molIndex].setMyIndex(molIndex);
1299 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1300 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1301 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1302 >          globalAtomIndex++;
1303 >        }
1304 >        molIndex++;
1305 >      }
1306 >    }
1307 >
1308 >
1309 > #endif // is_mpi
1310 >
1311 >
1312 >    if (info[l].n_SRI){
1313 >      Exclude::createArray(info[l].n_SRI);
1314 >      the_excludes = new Exclude * [info[l].n_SRI];
1315 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1316 >        the_excludes[ex] = new Exclude(ex);
1317 >      }
1318 >      info[l].globalExcludes = new int;
1319 >      info[l].n_exclude = info[l].n_SRI;
1320 >    }
1321 >    else{
1322 >      Exclude::createArray(1);
1323 >      the_excludes = new Exclude * ;
1324 >      the_excludes[0] = new Exclude(0);
1325 >      the_excludes[0]->setPair(0, 0);
1326 >      info[l].globalExcludes = new int;
1327 >      info[l].globalExcludes[0] = 0;
1328 >      info[l].n_exclude = 0;
1329 >    }
1330 >
1331 >    // set the arrays into the SimInfo object
1332 >
1333 >    info[l].atoms = the_atoms;
1334 >    info[l].molecules = the_molecules;
1335 >    info[l].nGlobalExcludes = 0;
1336 >    info[l].excludes = the_excludes;
1337 >
1338 >    the_ff->setSimInfo(info);
1339    }
1340   }
1341 +
1342 + void SimSetup::makeIntegrator(void){
1343 +  int k;
1344 +
1345 +  NVE<RealIntegrator>* myNVE = NULL;
1346 +  NVT<RealIntegrator>* myNVT = NULL;
1347 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1348 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1349 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1350 +  
1351 +  for (k = 0; k < nInfo; k++){
1352 +    switch (ensembleCase){
1353 +      case NVE_ENS:
1354 +        if (globals->haveZconstraints()){
1355 +          setupZConstraint(info[k]);
1356 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1357 +        }
1358 +        else{
1359 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1360 +        }
1361 +        
1362 +        info->the_integrator = myNVE;
1363 +        break;
1364 +
1365 +      case NVT_ENS:
1366 +        if (globals->haveZconstraints()){
1367 +          setupZConstraint(info[k]);
1368 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1369 +        }
1370 +        else
1371 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1372 +
1373 +        myNVT->setTargetTemp(globals->getTargetTemp());
1374 +
1375 +        if (globals->haveTauThermostat())
1376 +          myNVT->setTauThermostat(globals->getTauThermostat());
1377 +        else{
1378 +          sprintf(painCave.errMsg,
1379 +                  "SimSetup error: If you use the NVT\n"
1380 +                  "    ensemble, you must set tauThermostat.\n");
1381 +          painCave.isFatal = 1;
1382 +          simError();
1383 +        }
1384 +
1385 +        info->the_integrator = myNVT;
1386 +        break;
1387 +
1388 +      case NPTi_ENS:
1389 +        if (globals->haveZconstraints()){
1390 +          setupZConstraint(info[k]);
1391 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1392 +        }
1393 +        else
1394 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1395 +
1396 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1397 +
1398 +        if (globals->haveTargetPressure())
1399 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1400 +        else{
1401 +          sprintf(painCave.errMsg,
1402 +                  "SimSetup error: If you use a constant pressure\n"
1403 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1404 +          painCave.isFatal = 1;
1405 +          simError();
1406 +        }
1407 +
1408 +        if (globals->haveTauThermostat())
1409 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1410 +        else{
1411 +          sprintf(painCave.errMsg,
1412 +                  "SimSetup error: If you use an NPT\n"
1413 +                  "    ensemble, you must set tauThermostat.\n");
1414 +          painCave.isFatal = 1;
1415 +          simError();
1416 +        }
1417 +
1418 +        if (globals->haveTauBarostat())
1419 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1420 +        else{
1421 +          sprintf(painCave.errMsg,
1422 +                  "SimSetup error: If you use an NPT\n"
1423 +                  "    ensemble, you must set tauBarostat.\n");
1424 +          painCave.isFatal = 1;
1425 +          simError();
1426 +        }
1427 +
1428 +        info->the_integrator = myNPTi;
1429 +        break;
1430 +
1431 +      case NPTf_ENS:
1432 +        if (globals->haveZconstraints()){
1433 +          setupZConstraint(info[k]);
1434 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1435 +        }
1436 +        else
1437 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1438 +
1439 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1440 +
1441 +        if (globals->haveTargetPressure())
1442 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1443 +        else{
1444 +          sprintf(painCave.errMsg,
1445 +                  "SimSetup error: If you use a constant pressure\n"
1446 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1447 +          painCave.isFatal = 1;
1448 +          simError();
1449 +        }    
1450 +
1451 +        if (globals->haveTauThermostat())
1452 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1453 +
1454 +        else{
1455 +          sprintf(painCave.errMsg,
1456 +                  "SimSetup error: If you use an NPT\n"
1457 +                  "    ensemble, you must set tauThermostat.\n");
1458 +          painCave.isFatal = 1;
1459 +          simError();
1460 +        }
1461 +
1462 +        if (globals->haveTauBarostat())
1463 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1464 +
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 +      case NPTxyz_ENS:
1477 +        if (globals->haveZconstraints()){
1478 +          setupZConstraint(info[k]);
1479 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1480 +        }
1481 +        else
1482 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1483 +
1484 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1485 +
1486 +        if (globals->haveTargetPressure())
1487 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1488 +        else{
1489 +          sprintf(painCave.errMsg,
1490 +                  "SimSetup error: If you use a constant pressure\n"
1491 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1492 +          painCave.isFatal = 1;
1493 +          simError();
1494 +        }    
1495 +
1496 +        if (globals->haveTauThermostat())
1497 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1498 +        else{
1499 +          sprintf(painCave.errMsg,
1500 +                  "SimSetup error: If you use an NPT\n"
1501 +                  "    ensemble, you must set tauThermostat.\n");
1502 +          painCave.isFatal = 1;
1503 +          simError();
1504 +        }
1505 +
1506 +        if (globals->haveTauBarostat())
1507 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1508 +        else{
1509 +          sprintf(painCave.errMsg,
1510 +                  "SimSetup error: If you use an NPT\n"
1511 +                  "    ensemble, you must set tauBarostat.\n");
1512 +          painCave.isFatal = 1;
1513 +          simError();
1514 +        }
1515 +
1516 +        info->the_integrator = myNPTxyz;
1517 +        break;
1518 +
1519 +      default:
1520 +        sprintf(painCave.errMsg,
1521 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1522 +        painCave.isFatal = 1;
1523 +        simError();
1524 +    }
1525 +  }
1526 + }
1527 +
1528 + void SimSetup::initFortran(void){
1529 +  info[0].refreshSim();
1530 +
1531 +  if (!strcmp(info[0].mixingRule, "standard")){
1532 +    the_ff->initForceField(LB_MIXING_RULE);
1533 +  }
1534 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1535 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1536 +  }
1537 +  else{
1538 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1539 +            info[0].mixingRule);
1540 +    painCave.isFatal = 1;
1541 +    simError();
1542 +  }
1543 +
1544 +
1545 + #ifdef IS_MPI
1546 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1547 +  MPIcheckPoint();
1548 + #endif // is_mpi
1549 + }
1550 +
1551 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1552 +  int nZConstraints;
1553 +  ZconStamp** zconStamp;
1554 +
1555 +  if (globals->haveZconstraintTime()){
1556 +    //add sample time of z-constraint  into SimInfo's property list                    
1557 +    DoubleData* zconsTimeProp = new DoubleData();
1558 +    zconsTimeProp->setID(ZCONSTIME_ID);
1559 +    zconsTimeProp->setData(globals->getZconsTime());
1560 +    theInfo.addProperty(zconsTimeProp);
1561 +  }
1562 +  else{
1563 +    sprintf(painCave.errMsg,
1564 +            "ZConstraint error: If you use an ZConstraint\n"
1565 +            " , you must set sample time.\n");
1566 +    painCave.isFatal = 1;
1567 +    simError();
1568 +  }
1569 +
1570 +  //push zconsTol into siminfo, if user does not specify
1571 +  //value for zconsTol, a default value will be used
1572 +  DoubleData* zconsTol = new DoubleData();
1573 +  zconsTol->setID(ZCONSTOL_ID);
1574 +  if (globals->haveZconsTol()){
1575 +    zconsTol->setData(globals->getZconsTol());
1576 +  }
1577 +  else{
1578 +    double defaultZConsTol = 0.01;
1579 +    sprintf(painCave.errMsg,
1580 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1581 +            " , default value %f is used.\n",
1582 +            defaultZConsTol);
1583 +    painCave.isFatal = 0;
1584 +    simError();      
1585 +
1586 +    zconsTol->setData(defaultZConsTol);
1587 +  }
1588 +  theInfo.addProperty(zconsTol);
1589 +
1590 +  //set Force Subtraction Policy
1591 +  StringData* zconsForcePolicy = new StringData();
1592 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1593 +
1594 +  if (globals->haveZconsForcePolicy()){
1595 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1596 +  }
1597 +  else{
1598 +    sprintf(painCave.errMsg,
1599 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1600 +            "PolicyByMass is used\n");
1601 +    painCave.isFatal = 0;
1602 +    simError();
1603 +    zconsForcePolicy->setData("BYMASS");
1604 +  }
1605 +
1606 +  theInfo.addProperty(zconsForcePolicy);
1607 +
1608 +  //Determine the name of ouput file and add it into SimInfo's property list
1609 +  //Be careful, do not use inFileName, since it is a pointer which
1610 +  //point to a string at master node, and slave nodes do not contain that string
1611 +
1612 +  string zconsOutput(theInfo.finalName);
1613 +
1614 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1615 +
1616 +  StringData* zconsFilename = new StringData();
1617 +  zconsFilename->setID(ZCONSFILENAME_ID);
1618 +  zconsFilename->setData(zconsOutput);
1619 +
1620 +  theInfo.addProperty(zconsFilename);
1621 +
1622 +  //setup index, pos and other parameters of z-constraint molecules
1623 +  nZConstraints = globals->getNzConstraints();
1624 +  theInfo.nZconstraints = nZConstraints;
1625 +
1626 +  zconStamp = globals->getZconStamp();
1627 +  ZConsParaItem tempParaItem;
1628 +
1629 +  ZConsParaData* zconsParaData = new ZConsParaData();
1630 +  zconsParaData->setID(ZCONSPARADATA_ID);
1631 +
1632 +  for (int i = 0; i < nZConstraints; i++){
1633 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1634 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1635 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1636 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1637 +
1638 +    zconsParaData->addItem(tempParaItem);
1639 +  }
1640 +
1641 +  //check the uniqueness of index  
1642 +  if(!zconsParaData->isIndexUnique()){
1643 +    sprintf(painCave.errMsg,
1644 +            "ZConstraint Error: molIndex is not unique\n");
1645 +    painCave.isFatal = 1;
1646 +    simError();
1647 +  }
1648 +
1649 +  //sort the parameters by index of molecules
1650 +  zconsParaData->sortByIndex();
1651 +  
1652 +  //push data into siminfo, therefore, we can retrieve later
1653 +  theInfo.addProperty(zconsParaData);
1654 + }

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