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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 424 by mmeineke, Thu Mar 27 20:36:16 2003 UTC vs.
Revision 689 by tim, Tue Aug 12 19:56:49 2003 UTC

# Line 1 | Line 1
1 + #include <algorithm>
2   #include <cstdlib>
3   #include <iostream>
4   #include <cmath>
5 + #include <string>
6  
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# Line 12 | Line 15 | SimSetup::SimSetup(){
15   #include "mpiSimulation.hpp"
16   #endif
17  
18 + // some defines for ensemble and Forcefield  cases
19 +
20 + #define NVE_ENS        0
21 + #define NVT_ENS        1
22 + #define NPTi_ENS       2
23 + #define NPTf_ENS       3
24 + #define NPTim_ENS      4
25 + #define NPTfm_ENS      5
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 +  isInfoArray = 0;
36 +  nInfo = 1;
37 +  
38    stamps = new MakeStamps();
39    globals = new Globals();
40    
41 +  
42   #ifdef IS_MPI
43    strcpy( checkPointMsg, "SimSetup creation successful" );
44    MPIcheckPoint();
# Line 27 | Line 50 | void SimSetup::parseFile( char* fileName ){
50    delete globals;
51   }
52  
53 + void SimSetup::setSimInfo( SimInfo* the_info, int theNinfo ) {
54 +    info = the_info;
55 +    nInfo = theNinfo;
56 +    isInfoArray = 1;
57 + }
58 +
59 +
60   void SimSetup::parseFile( char* fileName ){
61  
62   #ifdef IS_MPI
# Line 62 | Line 92 | void SimSetup::createSim( void ){
92  
93   #endif // is_mpi
94  
95 < void SimSetup::createSim( void ){
95 > void SimSetup::createSim(void){
96  
97 <  MakeStamps *the_stamps;
98 <  Globals* the_globals;
99 <  int i, j;
97 >  int i, j, k, globalAtomIndex;
98 >  
99 >  // gather all of the information from the Bass file
100  
101 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
101 >  std::cerr << "gathering info\n";
102  
103 <  // set the easy ones first
76 <  simnfo->target_temp = the_globals->getTargetTemp();
77 <  simnfo->dt = the_globals->getDt();
78 <  simnfo->run_time = the_globals->getRunTime();
103 >  gatherInfo();
104  
105 <  // get the ones we know are there, yet still may need some work.
81 <  n_components = the_globals->getNComponents();
82 <  strcpy( force_field, the_globals->getForceField() );
83 <  strcpy( ensemble, the_globals->getEnsemble() );
84 <  strcpy( simnfo->ensemble, ensemble );
105 >  // creation of complex system objects
106  
107 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
107 >  std::cerr << "creating system objects\n";
108  
109 +  sysObjectsCreation();
110  
111 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
92 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
93 <  else{
94 <    sprintf( painCave.errMsg,
95 <             "SimSetup Error. Unrecognized force field -> %s\n",
96 <             force_field );
97 <    painCave.isFatal = 1;
98 <    simError();
99 <  }
100 <
101 < #ifdef IS_MPI
102 <  strcpy( checkPointMsg, "ForceField creation successful" );
103 <  MPIcheckPoint();
104 < #endif // is_mpi
105 <
111 >  // check on the post processing info
112    
113 +  std::cerr << "performing final info check.\n";
114  
115 <  // get the components and calculate the tot_nMol and indvidual n_mol
109 <  the_components = the_globals->getComponents();
110 <  components_nmol = new int[n_components];
111 <  comp_stamps = new MoleculeStamp*[n_components];
115 >  finalInfoCheck();
116  
117 <  if( !the_globals->haveNMol() ){
114 <    // we don't have the total number of molecules, so we assume it is
115 <    // given in each component
117 >  // initialize the system coordinates
118  
119 <    tot_nmol = 0;
118 <    for( i=0; i<n_components; i++ ){
119 >  std::cerr << "about to init coords\n";
120  
121 <      if( !the_components[i]->haveNMol() ){
121 <        // we have a problem
122 <        sprintf( painCave.errMsg,
123 <                 "SimSetup Error. No global NMol or component NMol"
124 <                 " given. Cannot calculate the number of atoms.\n" );
125 <        painCave.isFatal = 1;
126 <        simError();
127 <      }
121 >  if( !isInfoArray ) initSystemCoords();  
122  
123 <      tot_nmol += the_components[i]->getNMol();
130 <      components_nmol[i] = the_components[i]->getNMol();
131 <    }
132 <  }
133 <  else{
134 <    sprintf( painCave.errMsg,
135 <             "SimSetup error.\n"
136 <             "\tSorry, the ability to specify total"
137 <             " nMols and then give molfractions in the components\n"
138 <             "\tis not currently supported."
139 <             " Please give nMol in the components.\n" );
140 <    painCave.isFatal = 1;
141 <    simError();
142 <    
143 <    
144 <    //     tot_nmol = the_globals->getNMol();
145 <    
146 <    //   //we have the total number of molecules, now we check for molfractions
147 <    //     for( i=0; i<n_components; i++ ){
148 <    
149 <    //       if( !the_components[i]->haveMolFraction() ){
150 <    
151 <    //  if( !the_components[i]->haveNMol() ){
152 <    //    //we have a problem
153 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
154 <    //              << " nMol was given in component
155 <    
156 <  }
123 >  // make the output filenames
124  
125 < #ifdef IS_MPI
126 <  strcpy( checkPointMsg, "Have the number of components" );
127 <  MPIcheckPoint();
161 < #endif // is_mpi
162 <
163 <  // make an array of molecule stamps that match the components used.
164 <  // also extract the used stamps out into a separate linked list
165 <
166 <  simnfo->nComponents = n_components;
167 <  simnfo->componentsNmol = components_nmol;
168 <  simnfo->compStamps = comp_stamps;
169 <  simnfo->headStamp = new LinkedMolStamp();
125 >  makeOutNames();
126 >  
127 >  // make the integrator
128    
129 <  char* id;
172 <  LinkedMolStamp* headStamp = simnfo->headStamp;
173 <  LinkedMolStamp* currentStamp = NULL;
174 <  for( i=0; i<n_components; i++ ){
175 <
176 <    id = the_components[i]->getType();
177 <    comp_stamps[i] = NULL;
178 <    
179 <    // check to make sure the component isn't already in the list
180 <
181 <    comp_stamps[i] = headStamp->match( id );
182 <    if( comp_stamps[i] == NULL ){
183 <      
184 <      // extract the component from the list;
185 <      
186 <      currentStamp = the_stamps->extractMolStamp( id );
187 <      if( currentStamp == NULL ){
188 <        sprintf( painCave.errMsg,
189 <                 "SimSetup error: Component \"%s\" was not found in the "
190 <                 "list of declared molecules\n",
191 <                 id );
192 <        painCave.isFatal = 1;
193 <        simError();
194 <      }
195 <      
196 <      headStamp->add( currentStamp );
197 <      comp_stamps[i] = headStamp->match( id );
198 <    }
199 <  }
200 <
201 < #ifdef IS_MPI
202 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
203 <  MPIcheckPoint();
204 < #endif // is_mpi
129 >  makeIntegrator();
130    
131 + #ifdef IS_MPI
132 +  mpiSim->mpiRefresh();
133 + #endif
134  
135 +  // initialize the Fortran
136  
137 +  initFortran();
138  
209  // caclulate the number of atoms, bonds, bends and torsions
139  
211  tot_atoms = 0;
212  tot_bonds = 0;
213  tot_bends = 0;
214  tot_torsions = 0;
215  for( i=0; i<n_components; i++ ){
216    
217    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
218    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
219    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
220    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
221  }
140  
141 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
141 > }
142  
225  simnfo->n_atoms = tot_atoms;
226  simnfo->n_bonds = tot_bonds;
227  simnfo->n_bends = tot_bends;
228  simnfo->n_torsions = tot_torsions;
229  simnfo->n_SRI = tot_SRI;
230  simnfo->n_mol = tot_nmol;
143  
144 <  
233 < #ifdef IS_MPI
144 > void SimSetup::makeMolecules( void ){
145  
146 <  // divide the molecules among processors here.
147 <  
148 <  mpiSim = new mpiSimulation( simnfo );
149 <  
150 <  
146 >  int k,l;
147 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
148 >  molInit molInfo;
149 >  DirectionalAtom* dAtom;
150 >  LinkedAssign* extras;
151 >  LinkedAssign* current_extra;
152 >  AtomStamp* currentAtom;
153 >  BondStamp* currentBond;
154 >  BendStamp* currentBend;
155 >  TorsionStamp* currentTorsion;
156  
157 <  globalIndex = mpiSim->divideLabor();
157 >  bond_pair* theBonds;
158 >  bend_set* theBends;
159 >  torsion_set* theTorsions;
160  
243
244
245  // set up the local variables
161    
162 <  int localMol, allMol;
248 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
162 >  //init the forceField paramters
163  
164 <  int* mol2proc = mpiSim->getMolToProcMap();
251 <  int* molCompType = mpiSim->getMolComponentType();
252 <  
253 <  allMol = 0;
254 <  localMol = 0;
255 <  local_atoms = 0;
256 <  local_bonds = 0;
257 <  local_bends = 0;
258 <  local_torsions = 0;
259 <  for( i=0; i<n_components; i++ ){
164 >  the_ff->readParams();
165  
261    for( j=0; j<components_nmol[i]; j++ ){
262      
263      if( mol2proc[j] == worldRank ){
264        
265        local_atoms +=    comp_stamps[i]->getNAtoms();
266        local_bonds +=    comp_stamps[i]->getNBonds();
267        local_bends +=    comp_stamps[i]->getNBends();
268        local_torsions += comp_stamps[i]->getNTorsions();
269        localMol++;
270      }      
271      allMol++;
272    }
273  }
274  local_SRI = local_bonds + local_bends + local_torsions;
166    
167 +  // init the atoms
168  
169 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
169 >  double ux, uy, uz, u, uSqr;
170    
171 <  if( local_atoms != simnfo->n_atoms ){
172 <    sprintf( painCave.errMsg,
173 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
282 <             " localAtom (%d) are not equal.\n",
283 <             simnfo->n_atoms,
284 <             local_atoms );
285 <    painCave.isFatal = 1;
286 <    simError();
287 <  }
171 >  for(k=0; k<nInfo; k++){
172 >    
173 >    the_ff->setSimInfo( &(info[k]) );
174  
175 <  simnfo->n_bonds = local_bonds;
176 <  simnfo->n_bends = local_bends;
177 <  simnfo->n_torsions = local_torsions;
178 <  simnfo->n_SRI = local_SRI;
179 <  simnfo->n_mol = localMol;
294 <
295 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
296 <  MPIcheckPoint();
297 <  
298 <  
299 < #endif // is_mpi
300 <  
301 <
302 <  // create the atom and short range interaction arrays
303 <
304 <  Atom::createArrays(simnfo->n_atoms);
305 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
307 <  int molIndex;
308 <
309 <  // initialize the molecule's stampID's
175 >    atomOffset = 0;
176 >    excludeOffset = 0;
177 >    for(i=0; i<info[k].n_mol; i++){
178 >    
179 >      stampID = info[k].molecules[i].getStampID();
180  
181 < #ifdef IS_MPI
182 <  
181 >      molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
182 >      molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
183 >      molInfo.nBends    = comp_stamps[stampID]->getNBends();
184 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
185 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
186 >      
187 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
188 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
189 >      molInfo.myBonds = new Bond*[molInfo.nBonds];
190 >      molInfo.myBends = new Bend*[molInfo.nBends];
191 >      molInfo.myTorsions = new Torsion*[molInfo.nTorsions];
192  
193 <  molIndex = 0;
194 <  for(i=0; i<mpiSim->getTotNmol(); i++){
193 >      theBonds = new bond_pair[molInfo.nBonds];
194 >      theBends = new bend_set[molInfo.nBends];
195 >      theTorsions = new torsion_set[molInfo.nTorsions];
196      
197 <    if(mol2proc[i] == worldRank ){
198 <      the_molecules[molIndex].setStampID( molCompType[i] );
199 <      molIndex++;
197 >      // make the Atoms
198 >    
199 >      for(j=0; j<molInfo.nAtoms; j++){
200 >        
201 >        currentAtom = comp_stamps[stampID]->getAtom( j );
202 >        if( currentAtom->haveOrientation() ){
203 >          
204 >          dAtom = new DirectionalAtom( (j + atomOffset),
205 >                                       info[k].getConfiguration() );
206 >          info[k].n_oriented++;
207 >          molInfo.myAtoms[j] = dAtom;
208 >          
209 >          ux = currentAtom->getOrntX();
210 >          uy = currentAtom->getOrntY();
211 >          uz = currentAtom->getOrntZ();
212 >          
213 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
214 >          
215 >          u = sqrt( uSqr );
216 >          ux = ux / u;
217 >          uy = uy / u;
218 >          uz = uz / u;
219 >          
220 >          dAtom->setSUx( ux );
221 >          dAtom->setSUy( uy );
222 >          dAtom->setSUz( uz );
223 >        }
224 >        else{
225 >          molInfo.myAtoms[j] = new GeneralAtom( (j + atomOffset),
226 >                                                info[k].getConfiguration() );
227 >        }
228 >        molInfo.myAtoms[j]->setType( currentAtom->getType() );
229 >    
230 > #ifdef IS_MPI
231 >      
232 >        molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
233 >      
234 > #endif // is_mpi
235 >      }
236 >    
237 >    // make the bonds
238 >      for(j=0; j<molInfo.nBonds; j++){
239 >      
240 >        currentBond = comp_stamps[stampID]->getBond( j );
241 >        theBonds[j].a = currentBond->getA() + atomOffset;
242 >        theBonds[j].b = currentBond->getB() + atomOffset;
243 >        
244 >        exI = theBonds[j].a;
245 >        exJ = theBonds[j].b;
246 >        
247 >        // exclude_I must always be the smaller of the pair
248 >        if( exI > exJ ){
249 >          tempEx = exI;
250 >          exI = exJ;
251 >          exJ = tempEx;
252 >        }
253 > #ifdef IS_MPI
254 >        tempEx = exI;
255 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
256 >        tempEx = exJ;
257 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
258 >        
259 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
260 > #else  // isn't MPI
261 >        
262 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
263 > #endif  //is_mpi
264 >      }
265 >      excludeOffset += molInfo.nBonds;
266 >      
267 >      //make the bends
268 >      for(j=0; j<molInfo.nBends; j++){
269 >        
270 >        currentBend = comp_stamps[stampID]->getBend( j );
271 >        theBends[j].a = currentBend->getA() + atomOffset;
272 >        theBends[j].b = currentBend->getB() + atomOffset;
273 >        theBends[j].c = currentBend->getC() + atomOffset;
274 >        
275 >        if( currentBend->haveExtras() ){
276 >          
277 >          extras = currentBend->getExtras();
278 >          current_extra = extras;
279 >          
280 >          while( current_extra != NULL ){
281 >            if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
282 >              
283 >              switch( current_extra->getType() ){
284 >                
285 >              case 0:
286 >                theBends[j].ghost =
287 >                  current_extra->getInt() + atomOffset;
288 >                theBends[j].isGhost = 1;
289 >                break;
290 >                
291 >              case 1:
292 >                theBends[j].ghost =
293 >                  (int)current_extra->getDouble() + atomOffset;
294 >                theBends[j].isGhost = 1;
295 >                break;
296 >                
297 >              default:
298 >                sprintf( painCave.errMsg,
299 >                         "SimSetup Error: ghostVectorSource was neither a "
300 >                         "double nor an int.\n"
301 >                         "-->Bend[%d] in %s\n",
302 >                         j, comp_stamps[stampID]->getID() );
303 >                painCave.isFatal = 1;
304 >                simError();
305 >              }
306 >            }
307 >            
308 >            else{
309 >              
310 >              sprintf( painCave.errMsg,
311 >                       "SimSetup Error: unhandled bend assignment:\n"
312 >                       "    -->%s in Bend[%d] in %s\n",
313 >                       current_extra->getlhs(),
314 >                       j, comp_stamps[stampID]->getID() );
315 >              painCave.isFatal = 1;
316 >              simError();
317 >            }
318 >            
319 >            current_extra = current_extra->getNext();
320 >          }
321 >        }
322 >        
323 >        if( !theBends[j].isGhost ){
324 >          
325 >          exI = theBends[j].a;
326 >          exJ = theBends[j].c;
327 >        }
328 >        else{
329 >          
330 >          exI = theBends[j].a;
331 >          exJ = theBends[j].b;
332 >        }
333 >        
334 >        // exclude_I must always be the smaller of the pair
335 >        if( exI > exJ ){
336 >          tempEx = exI;
337 >          exI = exJ;
338 >          exJ = tempEx;
339 >        }
340 > #ifdef IS_MPI
341 >        tempEx = exI;
342 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
343 >        tempEx = exJ;
344 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
345 >      
346 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
347 > #else  // isn't MPI
348 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
349 > #endif  //is_mpi
350 >      }
351 >      excludeOffset += molInfo.nBends;
352 >      
353 >      for(j=0; j<molInfo.nTorsions; j++){
354 >        
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 >        // 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 >        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 >      
383 >      
384 >      // send the arrays off to the forceField for init.
385 >      
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, theTorsions );
390 >      
391 >      
392 >      info[k].molecules[i].initialize( molInfo );
393 >
394 >      
395 >      atomOffset += molInfo.nAtoms;
396 >      delete[] theBonds;
397 >      delete[] theBends;
398 >      delete[] theTorsions;
399      }
400    }
401 +  
402 + #ifdef IS_MPI
403 +  sprintf( checkPointMsg, "all molecules initialized succesfully" );
404 +  MPIcheckPoint();
405 + #endif // is_mpi
406 +  
407 +  // clean up the forcefield
408  
409 < #else // is_mpi
409 >  the_ff->calcRcut();
410 >  the_ff->cleanMe();
411    
412 <  molIndex = 0;
326 <  for(i=0; i<n_components; i++){
327 <    for(j=0; j<components_nmol[i]; j++ ){
328 <      the_molecules[molIndex].setStampID( i );
329 <      molIndex++;
330 <    }
331 <  }
332 <    
412 > }
413  
414 < #endif // is_mpi
414 > void SimSetup::initFromBass( void ){
415  
416 +  int i, j, k;
417 +  int n_cells;
418 +  double cellx, celly, cellz;
419 +  double temp1, temp2, temp3;
420 +  int n_per_extra;
421 +  int n_extra;
422 +  int have_extra, done;
423  
424 <  if( simnfo->n_SRI ){
425 <    Exclude::createArray(simnfo->n_SRI);
426 <    the_excludes = new Exclude*[simnfo->n_SRI];
427 <    simnfo->globalExcludes = new int;
428 <    simnfo->n_exclude = tot_SRI;
424 >  double vel[3];
425 >  vel[0] = 0.0;
426 >  vel[1] = 0.0;
427 >  vel[2] = 0.0;
428 >
429 >  temp1 = (double)tot_nmol / 4.0;
430 >  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
431 >  temp3 = ceil( temp2 );
432 >
433 >  have_extra =0;
434 >  if( temp2 < temp3 ){ // 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    }
453    else{
454 <    
455 <    Exclude::createArray( 1 );
456 <    the_excludes = new Exclude*;
457 <    the_excludes[0] = new Exclude(0);
348 <    the_excludes[0]->setPair( 0,0 );
349 <    simnfo->globalExcludes = new int;
350 <    simnfo->globalExcludes[0] = 0;
351 <    simnfo->n_exclude = 0;
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 <  // set the arrays into the SimInfo object
460 >  current_mol = 0;
461 >  current_comp_mol = 0;
462 >  current_comp = 0;
463 >  current_atom_ndx = 0;
464  
465 <  simnfo->atoms = the_atoms;
466 <  simnfo->nGlobalExcludes = 0;
467 <  simnfo->excludes = the_excludes;
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  
469 +        makeElement( i * cellx,
470 +                     j * celly,
471 +                     k * cellz );
472  
473 <  // get some of the tricky things that may still be in the globals
473 >        makeElement( i * cellx + 0.5 * cellx,
474 >                     j * celly + 0.5 * celly,
475 >                     k * cellz );
476  
477 <  
478 <  if( the_globals->haveBox() ){
479 <    simnfo->box_x = the_globals->getBox();
366 <    simnfo->box_y = the_globals->getBox();
367 <    simnfo->box_z = the_globals->getBox();
368 <  }
369 <  else if( the_globals->haveDensity() ){
477 >        makeElement( i * cellx,
478 >                     j * celly + 0.5 * celly,
479 >                     k * cellz + 0.5 * cellz );
480  
481 <    double vol;
482 <    vol = (double)tot_nmol / the_globals->getDensity();
483 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
484 <    simnfo->box_y = simnfo->box_x;
375 <    simnfo->box_z = simnfo->box_x;
376 <  }
377 <  else{
378 <    if( !the_globals->haveBoxX() ){
379 <      sprintf( painCave.errMsg,
380 <               "SimSetup error, no periodic BoxX size given.\n" );
381 <      painCave.isFatal = 1;
382 <      simError();
481 >        makeElement( i * cellx + 0.5 * cellx,
482 >                     j * celly,
483 >                     k * cellz + 0.5 * cellz );
484 >      }
485      }
486 <    simnfo->box_x = the_globals->getBoxX();
486 >  }
487  
488 <    if( !the_globals->haveBoxY() ){
489 <      sprintf( painCave.errMsg,
388 <               "SimSetup error, no periodic BoxY size given.\n" );
389 <      painCave.isFatal = 1;
390 <      simError();
391 <    }
392 <    simnfo->box_y = the_globals->getBoxY();
488 >  if( have_extra ){
489 >    done = 0;
490  
491 <    if( !the_globals->haveBoxZ() ){
492 <      sprintf( painCave.errMsg,
493 <               "SimSetup error, no periodic BoxZ size given.\n" );
397 <      painCave.isFatal = 1;
398 <      simError();
399 <    }
400 <    simnfo->box_z = the_globals->getBoxZ();
401 <  }
491 >    int start_ndx;
492 >    for( i=0; i < (n_cells+1) && !done; i++ ){
493 >      for( j=0; j < (n_cells+1) && !done; j++ ){
494  
495 < #ifdef IS_MPI
404 <  strcpy( checkPointMsg, "Box size set up" );
405 <  MPIcheckPoint();
406 < #endif // is_mpi
495 >        if( i < n_cells ){
496  
497 +          if( j < n_cells ){
498 +            start_ndx = n_cells;
499 +          }
500 +          else start_ndx = 0;
501 +        }
502 +        else start_ndx = 0;
503  
504 <  // initialize the arrays
504 >        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
505  
506 <  the_ff->setSimInfo( simnfo );
506 >          makeElement( i * cellx,
507 >                       j * celly,
508 >                       k * cellz );
509 >          done = ( current_mol >= tot_nmol );
510  
511 <  makeMolecules();
512 <  simnfo->identArray = new int[simnfo->n_atoms];
513 <  for(i=0; i<simnfo->n_atoms; i++){
514 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
515 <  }
516 <  
419 <  if (the_globals->getUseRF() ) {
420 <    simnfo->useReactionField = 1;
421 <  
422 <    if( !the_globals->haveECR() ){
423 <      sprintf( painCave.errMsg,
424 <               "SimSetup Warning: using default value of 1/2 the smallest "
425 <               "box length for the electrostaticCutoffRadius.\n"
426 <               "I hope you have a very fast processor!\n");
427 <      painCave.isFatal = 0;
428 <      simError();
429 <      double smallest;
430 <      smallest = simnfo->box_x;
431 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
432 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
433 <      simnfo->ecr = 0.5 * smallest;
434 <    } else {
435 <      simnfo->ecr        = the_globals->getECR();
436 <    }
511 >          if( !done && n_per_extra > 1 ){
512 >            makeElement( i * cellx + 0.5 * cellx,
513 >                         j * celly + 0.5 * celly,
514 >                         k * cellz );
515 >            done = ( current_mol >= tot_nmol );
516 >          }
517  
518 <    if( !the_globals->haveEST() ){
519 <      sprintf( painCave.errMsg,
520 <               "SimSetup Warning: using default value of 0.05 * the "
521 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
522 <               );
523 <      painCave.isFatal = 0;
524 <      simError();
525 <      simnfo->est = 0.05 * simnfo->ecr;
526 <    } else {
527 <      simnfo->est        = the_globals->getEST();
528 <    }
529 <    
530 <    if(!the_globals->haveDielectric() ){
531 <      sprintf( painCave.errMsg,
452 <               "SimSetup Error: You are trying to use Reaction Field without"
453 <               "setting a dielectric constant!\n"
454 <               );
455 <      painCave.isFatal = 1;
456 <      simError();
457 <    }
458 <    simnfo->dielectric = the_globals->getDielectric();  
459 <  } else {
460 <    if (simnfo->n_dipoles) {
461 <      
462 <      if( !the_globals->haveECR() ){
463 <        sprintf( painCave.errMsg,
464 <                 "SimSetup Warning: using default value of 1/2 the smallest"
465 <                 "box length for the electrostaticCutoffRadius.\n"
466 <                 "I hope you have a very fast processor!\n");
467 <        painCave.isFatal = 0;
468 <        simError();
469 <        double smallest;
470 <        smallest = simnfo->box_x;
471 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
472 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
473 <        simnfo->ecr = 0.5 * smallest;
474 <      } else {
475 <        simnfo->ecr        = the_globals->getECR();
518 >          if( !done && n_per_extra > 2){
519 >            makeElement( i * cellx,
520 >                         j * celly + 0.5 * celly,
521 >                         k * cellz + 0.5 * cellz );
522 >            done = ( current_mol >= tot_nmol );
523 >          }
524 >
525 >          if( !done && n_per_extra > 3){
526 >            makeElement( i * cellx + 0.5 * cellx,
527 >                         j * celly,
528 >                         k * cellz + 0.5 * cellz );
529 >            done = ( current_mol >= tot_nmol );
530 >          }
531 >        }
532        }
477      
478      if( !the_globals->haveEST() ){
479        sprintf( painCave.errMsg,
480                 "SimSetup Warning: using default value of 5% of the"
481                 "electrostaticCutoffRadius for the "
482                 "electrostaticSkinThickness\n"
483                 );
484        painCave.isFatal = 0;
485        simError();
486        simnfo->est = 0.05 * simnfo->ecr;
487      } else {
488        simnfo->est        = the_globals->getEST();
489      }
533      }
534 <  }  
534 >  }
535  
536 < #ifdef IS_MPI
537 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
538 <  MPIcheckPoint();
539 < #endif // is_mpi
536 >  for( i=0; i<info[0].n_atoms; i++ ){
537 >    info[0].atoms[i]->setVel( vel );
538 >  }
539 > }
540  
541 < if( the_globals->haveInitialConfig() ){
499 <
500 <     InitializeFromFile* fileInit;
501 < #ifdef IS_MPI // is_mpi
502 <     if( worldRank == 0 ){
503 < #endif //is_mpi
504 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
505 < #ifdef IS_MPI
506 <     }else fileInit = new InitializeFromFile( NULL );
507 < #endif
508 <   fileInit->read_xyz( simnfo ); // default velocities on
541 > void SimSetup::makeElement( double x, double y, double z ){
542  
543 <   delete fileInit;
544 < }
545 < else{
543 >  int k;
544 >  AtomStamp* current_atom;
545 >  DirectionalAtom* dAtom;
546 >  double rotMat[3][3];
547 >  double pos[3];
548  
549 < #ifdef IS_MPI
549 >  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
550  
551 <  // no init from bass
552 <  
553 <  sprintf( painCave.errMsg,
554 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
555 <  painCave.isFatal;
556 <  simError();
557 <  
558 < #else
559 <
560 <  initFromBass();
561 <
562 <
563 < #endif
564 < }
565 <
566 < #ifdef IS_MPI
567 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
568 <  MPIcheckPoint();
534 < #endif // is_mpi
551 >    current_atom = comp_stamps[current_comp]->getAtom( k );
552 >    if( !current_atom->havePosition() ){
553 >      sprintf( painCave.errMsg,
554 >               "SimSetup:initFromBass error.\n"
555 >               "\tComponent %s, atom %s does not have a position specified.\n"
556 >               "\tThe initialization routine is unable to give a start"
557 >               " position.\n",
558 >               comp_stamps[current_comp]->getID(),
559 >               current_atom->getType() );
560 >      painCave.isFatal = 1;
561 >      simError();
562 >    }
563 >    
564 >    pos[0] = x + current_atom->getPosX();
565 >    pos[1] = y + current_atom->getPosY();
566 >    pos[2] = z + current_atom->getPosZ();
567 >    
568 >    info[0].atoms[current_atom_ndx]->setPos( pos );
569  
570 +    if( info[0].atoms[current_atom_ndx]->isDirectional() ){
571  
572 <  
538 <
539 <  
572 >      dAtom = (DirectionalAtom *)info[0].atoms[current_atom_ndx];
573  
574 +      rotMat[0][0] = 1.0;
575 +      rotMat[0][1] = 0.0;
576 +      rotMat[0][2] = 0.0;
577 +
578 +      rotMat[1][0] = 0.0;
579 +      rotMat[1][1] = 1.0;
580 +      rotMat[1][2] = 0.0;
581 +
582 +      rotMat[2][0] = 0.0;
583 +      rotMat[2][1] = 0.0;
584 +      rotMat[2][2] = 1.0;
585 +
586 +      dAtom->setA( rotMat );
587 +    }
588 +
589 +    current_atom_ndx++;
590 +  }
591 +
592 +  current_mol++;
593 +  current_comp_mol++;
594 +
595 +  if( current_comp_mol >= components_nmol[current_comp] ){
596 +
597 +    current_comp_mol = 0;
598 +    current_comp++;
599 +  }
600 + }
601 +
602 +
603 + void SimSetup::gatherInfo( void ){
604 +  int i,j,k;
605 +
606 +  ensembleCase = -1;
607 +  ffCase = -1;
608 +
609 +  // set the easy ones first
610 +
611 +  for( i=0; i<nInfo; i++){
612 +    info[i].target_temp = globals->getTargetTemp();
613 +    info[i].dt = globals->getDt();
614 +    info[i].run_time = globals->getRunTime();
615 +  }
616 +  n_components = globals->getNComponents();
617 +
618 +
619 +  // get the forceField
620 +
621 +  strcpy( force_field, globals->getForceField() );
622 +
623 +  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
624 +  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
625 +  else if( !strcasecmp( force_field, "EAM" )) ffCase = FF_EAM;
626 +  else{
627 +    sprintf( painCave.errMsg,
628 +             "SimSetup Error. Unrecognized force field -> %s\n",
629 +             force_field );
630 +    painCave.isFatal = 1;
631 +    simError();
632 +  }
633 +
634 +  // get the ensemble
635 +
636 +  strcpy( ensemble, globals->getEnsemble() );
637 +
638 +  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
639 +  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
640 +  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
641 +    ensembleCase = NPTi_ENS;
642 +  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
643 +  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
644 +  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
645 +  else{
646 +    sprintf( painCave.errMsg,
647 +             "SimSetup Warning. Unrecognized Ensemble -> %s, "
648 +             "reverting to NVE for this simulation.\n",
649 +             ensemble );
650 +    painCave.isFatal = 0;
651 +    simError();
652 +    strcpy( ensemble, "NVE" );
653 +    ensembleCase = NVE_ENS;
654 +  }  
655    
656 < #ifdef IS_MPI
543 <  if( worldRank == 0 ){
544 < #endif // is_mpi
656 >  for(i=0; i<nInfo; i++){
657      
658 <    if( the_globals->haveFinalConfig() ){
659 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
658 >    strcpy( info[i].ensemble, ensemble );
659 >
660 >    // get the mixing rule
661 >
662 >    strcpy( info[i].mixingRule, globals->getMixingRule() );
663 >    info[i].usePBC = globals->getPBC();
664 >  }
665 >  
666 >  // get the components and calculate the tot_nMol and indvidual n_mol
667 >
668 >  the_components = globals->getComponents();
669 >  components_nmol = new int[n_components];
670 >
671 >
672 >  if( !globals->haveNMol() ){
673 >    // we don't have the total number of molecules, so we assume it is
674 >    // given in each component
675 >
676 >    tot_nmol = 0;
677 >    for( i=0; i<n_components; i++ ){
678 >
679 >      if( !the_components[i]->haveNMol() ){
680 >        // we have a problem
681 >        sprintf( painCave.errMsg,
682 >                 "SimSetup Error. No global NMol or component NMol"
683 >                 " given. Cannot calculate the number of atoms.\n" );
684 >        painCave.isFatal = 1;
685 >        simError();
686 >      }
687 >
688 >      tot_nmol += the_components[i]->getNMol();
689 >      components_nmol[i] = the_components[i]->getNMol();
690      }
691 +  }
692 +  else{
693 +    sprintf( painCave.errMsg,
694 +             "SimSetup error.\n"
695 +             "\tSorry, the ability to specify total"
696 +             " nMols and then give molfractions in the components\n"
697 +             "\tis not currently supported."
698 +             " Please give nMol in the components.\n" );
699 +    painCave.isFatal = 1;
700 +    simError();
701 +  }
702 +
703 +  // set the status, sample, and thermal kick times
704 +  
705 +  for(i=0; i<nInfo; i++){
706 +
707 +    if( globals->haveSampleTime() ){
708 +      info[i].sampleTime = globals->getSampleTime();
709 +      info[i].statusTime = info[i].sampleTime;
710 +      info[i].thermalTime = info[i].sampleTime;
711 +    }
712      else{
713 <      strcpy( simnfo->finalName, inFileName );
714 <      char* endTest;
715 <      int nameLength = strlen( simnfo->finalName );
553 <      endTest = &(simnfo->finalName[nameLength - 5]);
554 <      if( !strcmp( endTest, ".bass" ) ){
555 <        strcpy( endTest, ".eor" );
556 <      }
557 <      else if( !strcmp( endTest, ".BASS" ) ){
558 <        strcpy( endTest, ".eor" );
559 <      }
560 <      else{
561 <        endTest = &(simnfo->finalName[nameLength - 4]);
562 <        if( !strcmp( endTest, ".bss" ) ){
563 <          strcpy( endTest, ".eor" );
564 <        }
565 <        else if( !strcmp( endTest, ".mdl" ) ){
566 <          strcpy( endTest, ".eor" );
567 <        }
568 <        else{
569 <          strcat( simnfo->finalName, ".eor" );
570 <        }
571 <      }
713 >      info[i].sampleTime = globals->getRunTime();
714 >      info[i].statusTime = info[i].sampleTime;
715 >      info[i].thermalTime = info[i].sampleTime;
716      }
717      
718 <    // make the sample and status out names
718 >    if( globals->haveStatusTime() ){
719 >      info[i].statusTime = globals->getStatusTime();
720 >    }
721      
722 <    strcpy( simnfo->sampleName, inFileName );
723 <    char* endTest;
578 <    int nameLength = strlen( simnfo->sampleName );
579 <    endTest = &(simnfo->sampleName[nameLength - 5]);
580 <    if( !strcmp( endTest, ".bass" ) ){
581 <      strcpy( endTest, ".dump" );
722 >    if( globals->haveThermalTime() ){
723 >      info[i].thermalTime = globals->getThermalTime();
724      }
725 <    else if( !strcmp( endTest, ".BASS" ) ){
726 <      strcpy( endTest, ".dump" );
725 >
726 >    // check for the temperature set flag
727 >
728 >    if( globals->haveTempSet() ) info[i].setTemp = globals->getTempSet();
729 >    
730 >    // get some of the tricky things that may still be in the globals
731 >    
732 >    double boxVector[3];
733 >    if( globals->haveBox() ){
734 >      boxVector[0] = globals->getBox();
735 >      boxVector[1] = globals->getBox();
736 >      boxVector[2] = globals->getBox();
737 >      
738 >      info[i].setBox( boxVector );
739      }
740 +    else if( globals->haveDensity() ){
741 +      
742 +      double vol;
743 +      vol = (double)tot_nmol / globals->getDensity();
744 +      boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
745 +      boxVector[1] = boxVector[0];
746 +      boxVector[2] = boxVector[0];
747 +      
748 +      info[i].setBox( boxVector );
749 +  }
750      else{
751 <      endTest = &(simnfo->sampleName[nameLength - 4]);
752 <      if( !strcmp( endTest, ".bss" ) ){
753 <        strcpy( endTest, ".dump" );
751 >      if( !globals->haveBoxX() ){
752 >        sprintf( painCave.errMsg,
753 >                 "SimSetup error, no periodic BoxX size given.\n" );
754 >        painCave.isFatal = 1;
755 >        simError();
756        }
757 <      else if( !strcmp( endTest, ".mdl" ) ){
758 <        strcpy( endTest, ".dump" );
757 >      boxVector[0] = globals->getBoxX();
758 >      
759 >      if( !globals->haveBoxY() ){
760 >        sprintf( painCave.errMsg,
761 >                 "SimSetup error, no periodic BoxY size given.\n" );
762 >        painCave.isFatal = 1;
763 >        simError();
764        }
765 <      else{
766 <        strcat( simnfo->sampleName, ".dump" );
765 >      boxVector[1] = globals->getBoxY();
766 >      
767 >      if( !globals->haveBoxZ() ){
768 >        sprintf( painCave.errMsg,
769 >                 "SimSetup error, no periodic BoxZ size given.\n" );
770 >        painCave.isFatal = 1;
771 >        simError();
772        }
773 <    }
774 <    
775 <    strcpy( simnfo->statusName, inFileName );
600 <    nameLength = strlen( simnfo->statusName );
601 <    endTest = &(simnfo->statusName[nameLength - 5]);
602 <    if( !strcmp( endTest, ".bass" ) ){
603 <      strcpy( endTest, ".stat" );
773 >      boxVector[2] = globals->getBoxZ();
774 >      
775 >      info[i].setBox( boxVector );
776      }
777 <    else if( !strcmp( endTest, ".BASS" ) ){
778 <      strcpy( endTest, ".stat" );
607 <    }
608 <    else{
609 <      endTest = &(simnfo->statusName[nameLength - 4]);
610 <      if( !strcmp( endTest, ".bss" ) ){
611 <        strcpy( endTest, ".stat" );
612 <      }
613 <      else if( !strcmp( endTest, ".mdl" ) ){
614 <        strcpy( endTest, ".stat" );
615 <      }
616 <      else{
617 <        strcat( simnfo->statusName, ".stat" );
618 <      }
619 <    }
777 >
778 >  }
779      
780   #ifdef IS_MPI
781 <  }
781 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
782 >  MPIcheckPoint();
783   #endif // is_mpi
624  
625  // set the status, sample, and themal kick times
626  
627  if( the_globals->haveSampleTime() ){
628    simnfo->sampleTime = the_globals->getSampleTime();
629    simnfo->statusTime = simnfo->sampleTime;
630    simnfo->thermalTime = simnfo->sampleTime;
631  }
632  else{
633    simnfo->sampleTime = the_globals->getRunTime();
634    simnfo->statusTime = simnfo->sampleTime;
635    simnfo->thermalTime = simnfo->sampleTime;
636  }
784  
785 <  if( the_globals->haveStatusTime() ){
639 <    simnfo->statusTime = the_globals->getStatusTime();
640 <  }
785 > }
786  
642  if( the_globals->haveThermalTime() ){
643    simnfo->thermalTime = the_globals->getThermalTime();
644  }
787  
788 <  // check for the temperature set flag
788 > void SimSetup::finalInfoCheck( void ){
789 >  int index;
790 >  int usesDipoles;
791 >  int i;
792  
793 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
793 >  for(i=0; i<nInfo; i++){
794 >    // check electrostatic parameters
795 >    
796 >    index = 0;
797 >    usesDipoles = 0;
798 >    while( (index < info[i].n_atoms) && !usesDipoles ){
799 >      usesDipoles = (info[i].atoms[index])->hasDipole();
800 >      index++;
801 >    }
802 >    
803 > #ifdef IS_MPI
804 >    int myUse = usesDipoles;
805 >    MPI_Allreduce( &myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD );
806 > #endif //is_mpi
807 >    
808 >    double theEcr, theEst;
809 >  
810 >    if (globals->getUseRF() ) {
811 >      info[i].useReactionField = 1;
812 >      
813 >      if( !globals->haveECR() ){
814 >        sprintf( painCave.errMsg,
815 >                 "SimSetup Warning: using default value of 1/2 the smallest "
816 >                 "box length for the electrostaticCutoffRadius.\n"
817 >                 "I hope you have a very fast processor!\n");
818 >        painCave.isFatal = 0;
819 >        simError();
820 >        double smallest;
821 >        smallest = info[i].boxL[0];
822 >        if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
823 >        if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
824 >        theEcr = 0.5 * smallest;
825 >      } else {
826 >        theEcr = globals->getECR();
827 >      }
828 >      
829 >      if( !globals->haveEST() ){
830 >        sprintf( painCave.errMsg,
831 >                 "SimSetup Warning: using default value of 0.05 * the "
832 >                 "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
833 >                 );
834 >        painCave.isFatal = 0;
835 >        simError();
836 >        theEst = 0.05 * theEcr;
837 >      } else {
838 >        theEst= globals->getEST();
839 >      }
840 >      
841 >      info[i].setEcr( theEcr, theEst );
842 >      
843 >      if(!globals->haveDielectric() ){
844 >        sprintf( painCave.errMsg,
845 >                 "SimSetup Error: You are trying to use Reaction Field without"
846 >                 "setting a dielectric constant!\n"
847 >                 );
848 >        painCave.isFatal = 1;
849 >        simError();
850 >      }
851 >      info[i].dielectric = globals->getDielectric();  
852 >    }
853 >    else {
854 >      if (usesDipoles) {
855 >        
856 >        if( !globals->haveECR() ){
857 >          sprintf( painCave.errMsg,
858 >                   "SimSetup Warning: using default value of 1/2 the smallest "
859 >                   "box length for the electrostaticCutoffRadius.\n"
860 >                   "I hope you have a very fast processor!\n");
861 >          painCave.isFatal = 0;
862 >          simError();
863 >          double smallest;
864 >          smallest = info[i].boxL[0];
865 >          if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
866 >          if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
867 >          theEcr = 0.5 * smallest;
868 >        } else {
869 >          theEcr = globals->getECR();
870 >        }
871 >        
872 >        if( !globals->haveEST() ){
873 >          sprintf( painCave.errMsg,
874 >                   "SimSetup Warning: using default value of 0.05 * the "
875 >                   "electrostaticCutoffRadius for the "
876 >                   "electrostaticSkinThickness\n"
877 >                   );
878 >          painCave.isFatal = 0;
879 >          simError();
880 >          theEst = 0.05 * theEcr;
881 >        } else {
882 >          theEst= globals->getEST();
883 >        }
884 >        
885 >        info[i].setEcr( theEcr, theEst );
886 >      }
887 >    }  
888 >  }
889  
890 + #ifdef IS_MPI
891 +  strcpy( checkPointMsg, "post processing checks out" );
892 +  MPIcheckPoint();
893 + #endif // is_mpi
894  
895 < //   // make the longe range forces and the integrator
895 > }
896  
897 < //   new AllLong( simnfo );
897 > void SimSetup::initSystemCoords( void ){
898 >  int i;
899 >  
900 >  char* inName;
901  
902 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
656 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
902 >  std::cerr << "Setting atom Coords\n";
903  
904 <
659 <
660 <  // initialize the Fortran
904 >  (info[0].getConfiguration())->createArrays( info[0].n_atoms );
905    
906 <  simnfo->refreshSim();
906 >  for(i=0; i<info[0].n_atoms; i++) info[0].atoms[i]->setCoords();
907    
908 <  if( !strcmp( simnfo->mixingRule, "standard") ){
909 <    the_ff->initForceField( LB_MIXING_RULE );
908 >  if( globals->haveInitialConfig() ){
909 >    
910 >    InitializeFromFile* fileInit;
911 > #ifdef IS_MPI // is_mpi
912 >    if( worldRank == 0 ){
913 > #endif //is_mpi
914 >      inName = globals->getInitialConfig();
915 >      fileInit = new InitializeFromFile( inName );
916 > #ifdef IS_MPI
917 >    }else fileInit = new InitializeFromFile( NULL );
918 > #endif
919 >    fileInit->readInit( info ); // default velocities on
920 >    
921 >    delete fileInit;
922    }
667  else if( !strcmp( simnfo->mixingRule, "explicit") ){
668    the_ff->initForceField( EXPLICIT_MIXING_RULE );
669  }
923    else{
924 +    
925 + #ifdef IS_MPI
926 +    
927 +    // no init from bass
928 +    
929      sprintf( painCave.errMsg,
930 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
931 <             simnfo->mixingRule );
674 <    painCave.isFatal = 1;
930 >             "Cannot intialize a parallel simulation without an initial configuration file.\n" );
931 >    painCave.isFatal;
932      simError();
933 +    
934 + #else
935 +    
936 +    initFromBass();
937 +    
938 +    
939 + #endif
940    }
941 <
678 <
941 >  
942   #ifdef IS_MPI
943 <  strcpy( checkPointMsg,
681 <          "Successfully intialized the mixingRule for Fortran." );
943 >  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
944    MPIcheckPoint();
945   #endif // is_mpi
946 +  
947   }
948  
949  
950 < void SimSetup::makeMolecules( void ){
688 <
689 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
690 <  molInit info;
691 <  DirectionalAtom* dAtom;
692 <  LinkedAssign* extras;
693 <  LinkedAssign* current_extra;
694 <  AtomStamp* currentAtom;
695 <  BondStamp* currentBond;
696 <  BendStamp* currentBend;
697 <  TorsionStamp* currentTorsion;
950 > void SimSetup::makeOutNames( void ){
951    
952 <  //init the forceField paramters
952 >  int k;
953  
701  the_ff->readParams();
702
954    
955 <  // init the molecules
955 >  for(k=0; k<nInfo; k++){
956  
957 <  atomOffset = 0;
958 <  excludeOffset = 0;
959 <  for(i=0; i<simnfo->n_mol; i++){
709 <    
710 <    stampID = the_molecules[i].getStampID();
711 <
712 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
713 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
714 <    info.nBends    = comp_stamps[stampID]->getNBends();
715 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
716 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
717 <
718 <    info.myAtoms = &the_atoms[atomOffset];
719 <    info.myExcludes = &the_excludes[excludeOffset];
720 <    info.myBonds = new Bond*[info.nBonds];
721 <    info.myBends = new Bend*[info.nBends];
722 <    info.myTorsions = new Torsions*[info.nTorsions];
723 <
724 <    theBonds = new bond_pair[info.nBonds];
725 <    theBends = new bend_set[info.nBends];
726 <    theTorsions = new torsion_set[info.nTorsions];
727 <    
728 <    // make the Atoms
729 <    
730 <    for(j=0; j<info.nAtoms; j++){
957 > #ifdef IS_MPI
958 >    if( worldRank == 0 ){
959 > #endif // is_mpi
960        
961 <      currentAtom = theComponents[stampID]->getAtom( j );
962 <      if( currentAtom->haveOrientation() ){
734 <        
735 <        dAtom = new DirectionalAtom(j + atomOffset);
736 <        simnfo->n_oriented++;
737 <        info.myAtoms[j] = dAtom;
738 <        
739 <        ux = currentAtom->getOrntX();
740 <        uy = currentAtom->getOrntY();
741 <        uz = currentAtom->getOrntZ();
742 <        
743 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
744 <        
745 <        u = sqrt( uSqr );
746 <        ux = ux / u;
747 <        uy = uy / u;
748 <        uz = uz / u;
749 <        
750 <        dAtom->setSUx( ux );
751 <        dAtom->setSUy( uy );
752 <        dAtom->setSUz( uz );
961 >      if( globals->haveFinalConfig() ){
962 >        strcpy( info[k].finalName, globals->getFinalConfig() );
963        }
964        else{
965 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
965 >        strcpy( info[k].finalName, inFileName );
966 >        char* endTest;
967 >        int nameLength = strlen( info[k].finalName );
968 >        endTest = &(info[k].finalName[nameLength - 5]);
969 >        if( !strcmp( endTest, ".bass" ) ){
970 >          strcpy( endTest, ".eor" );
971 >        }
972 >        else if( !strcmp( endTest, ".BASS" ) ){
973 >          strcpy( endTest, ".eor" );
974 >        }
975 >        else{
976 >          endTest = &(info[k].finalName[nameLength - 4]);
977 >          if( !strcmp( endTest, ".bss" ) ){
978 >            strcpy( endTest, ".eor" );
979 >          }
980 >          else if( !strcmp( endTest, ".mdl" ) ){
981 >            strcpy( endTest, ".eor" );
982 >          }
983 >          else{
984 >            strcat( info[k].finalName, ".eor" );
985 >          }
986 >        }
987        }
757      info.myAtoms[j]->setType( currentAtom->getType() );
758    
759 #ifdef IS_MPI
988        
989 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
989 >      // make the sample and status out names
990        
991 < #endif // is_mpi
992 <    }
993 <    
994 <    // make the bonds
995 <    for(j=0; j<info.nBonds; j++){
996 <      
769 <      currentBond = comp_stamps[stampID]->getBond( j );
770 <      theBonds[j].a = currentBond->getA() + atomOffset;
771 <      theBonds[j].b = currentBond->getB() + atomOffset;
772 <
773 <      exI = theBonds[i].a;
774 <      exJ = theBonds[i].b;
775 <
776 <      // exclude_I must always be the smaller of the pair
777 <      if( exI > exJ ){
778 <        tempEx = exI;
779 <        exI = exJ;
780 <        exJ = tempEx;
991 >      strcpy( info[k].sampleName, inFileName );
992 >      char* endTest;
993 >      int nameLength = strlen( info[k].sampleName );
994 >      endTest = &(info[k].sampleName[nameLength - 5]);
995 >      if( !strcmp( endTest, ".bass" ) ){
996 >        strcpy( endTest, ".dump" );
997        }
998 < #ifdef IS_MPI
999 <      tempEx = exI;
1000 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1001 <      tempEx = exJ;
1002 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1003 <      
1004 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
789 < #else  // isn't MPI
790 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
791 < #endif  //is_mpi
792 <    }
793 <    excludeOffset += info.nBonds;
794 <
795 <    //make the bends
796 <    for(j=0; j<info.nBends; j++){
797 <      
798 <      currentBend = comp_stamps[stampID]->getBend( j );
799 <      theBends[j].a = currentBend->getA() + atomOffset;
800 <      theBends[j].b = currentBend->getB() + atomOffset;
801 <      theBends[j].c = currentBend->getC() + atomOffset;
802 <          
803 <      if( currentBend->haveExtras() ){
804 <            
805 <        extras = current_bend->getExtras();
806 <        current_extra = extras;
807 <            
808 <        while( current_extra != NULL ){
809 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
810 <                
811 <            switch( current_extra->getType() ){
812 <              
813 <            case 0:
814 <              theBends[j].ghost =
815 <                current_extra->getInt() + atomOffset;
816 <              theBends[j].isGhost = 1;
817 <              break;
818 <                  
819 <            case 1:
820 <              theBends[j].ghost =
821 <                (int)current_extra->getDouble() + atomOffset;
822 <              theBends[j].isGhost = 1;
823 <              break;
824 <              
825 <            default:
826 <              sprintf( painCave.errMsg,
827 <                       "SimSetup Error: ghostVectorSource was neiter a "
828 <                       "double nor an int.\n"
829 <                       "-->Bend[%d] in %s\n",
830 <                       j, comp_stamps[stampID]->getID() );
831 <              painCave.isFatal = 1;
832 <              simError();
833 <            }
834 <          }
835 <          
836 <          else{
837 <            
838 <            sprintf( painCave.errMsg,
839 <                     "SimSetup Error: unhandled bend assignment:\n"
840 <                     "    -->%s in Bend[%d] in %s\n",
841 <                     current_extra->getlhs(),
842 <                     j, comp_stamps[stampID]->getID() );
843 <            painCave.isFatal = 1;
844 <            simError();
845 <          }
846 <          
847 <          current_extra = current_extra->getNext();
998 >      else if( !strcmp( endTest, ".BASS" ) ){
999 >        strcpy( endTest, ".dump" );
1000 >      }
1001 >      else{
1002 >        endTest = &(info[k].sampleName[nameLength - 4]);
1003 >        if( !strcmp( endTest, ".bss" ) ){
1004 >          strcpy( endTest, ".dump" );
1005          }
1006 +        else if( !strcmp( endTest, ".mdl" ) ){
1007 +          strcpy( endTest, ".dump" );
1008 +        }
1009 +        else{
1010 +          strcat( info[k].sampleName, ".dump" );
1011 +        }
1012        }
1013 <          
1014 <      if( !theBends[j].isGhost ){
1015 <            
1016 <        exI = theBends[j].a;
1017 <        exJ = theBends[j].c;
1013 >      
1014 >      strcpy( info[k].statusName, inFileName );
1015 >      nameLength = strlen( info[k].statusName );
1016 >      endTest = &(info[k].statusName[nameLength - 5]);
1017 >      if( !strcmp( endTest, ".bass" ) ){
1018 >        strcpy( endTest, ".stat" );
1019        }
1020 +      else if( !strcmp( endTest, ".BASS" ) ){
1021 +        strcpy( endTest, ".stat" );
1022 +      }
1023        else{
1024 <        
1025 <        exI = theBends[j].a;
1026 <        exJ = theBends[j].b;
1024 >        endTest = &(info[k].statusName[nameLength - 4]);
1025 >        if( !strcmp( endTest, ".bss" ) ){
1026 >          strcpy( endTest, ".stat" );
1027 >        }
1028 >        else if( !strcmp( endTest, ".mdl" ) ){
1029 >          strcpy( endTest, ".stat" );
1030 >        }
1031 >        else{
1032 >          strcat( info[k].statusName, ".stat" );
1033 >        }
1034        }
1035        
862      // exclude_I must always be the smaller of the pair
863      if( exI > exJ ){
864        tempEx = exI;
865        exI = exJ;
866        exJ = tempEx;
867      }
1036   #ifdef IS_MPI
869      tempEx = exI;
870      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
871      tempEx = exJ;
872      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
873      
874      the_excludes[j+excludeOffset]->setPair( exI, exJ );
875 #else  // isn't MPI
876      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
877 #endif  //is_mpi
1037      }
1038 <    excludeOffset += info.nBends;
880 <
881 <    for(j=0; j<info.nTorsions; j++){
882 <      
883 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
884 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
885 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
886 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
887 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
888 <      
889 <      exI = theTorsions[j].a;
890 <      exJ = theTorsions[j].d;
891 <
892 <      // exclude_I must always be the smaller of the pair
893 <      if( exI > exJ ){
894 <        tempEx = exI;
895 <        exI = exJ;
896 <        exJ = tempEx;
897 <      }
898 < #ifdef IS_MPI
899 <      tempEx = exI;
900 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
901 <      tempEx = exJ;
902 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
903 <      
904 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
905 < #else  // isn't MPI
906 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
907 < #endif  //is_mpi
908 <    }
909 <    excludeOffset += info.nTorsions;
910 <
911 <    
912 <    // send the arrays off to the forceField for init.
913 <
914 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
915 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
916 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
917 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
918 <
919 <
920 <    the_molecules[i].initialize( info );
921 <    atomOffset += info.nAtoms;
1038 > #endif // is_mpi
1039    }
923
924  // clean up the forcefield
925  the_ff->calcRcut();
926  the_ff->cleanMe();
1040   }
1041  
929 void SimSetup::initFromBass( void ){
1042  
1043 <  int i, j, k;
1044 <  int n_cells;
1045 <  double cellx, celly, cellz;
1046 <  double temp1, temp2, temp3;
1047 <  int n_per_extra;
936 <  int n_extra;
937 <  int have_extra, done;
1043 > void SimSetup::sysObjectsCreation( void ){
1044 >  
1045 >  int i,k;
1046 >  
1047 >  // create the forceField
1048  
1049 <  temp1 = (double)tot_nmol / 4.0;
940 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
941 <  temp3 = ceil( temp2 );
1049 >  createFF();
1050  
1051 <  have_extra =0;
944 <  if( temp2 < temp3 ){ // we have a non-complete lattice
945 <    have_extra =1;
1051 >  // extract componentList
1052  
1053 <    n_cells = (int)temp3 - 1;
948 <    cellx = simnfo->box_x / temp3;
949 <    celly = simnfo->box_y / temp3;
950 <    cellz = simnfo->box_z / temp3;
951 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
952 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
953 <    n_per_extra = (int)ceil( temp1 );
1053 >  compList();
1054  
1055 <    if( n_per_extra > 4){
956 <      sprintf( painCave.errMsg,
957 <               "SimSetup error. There has been an error in constructing"
958 <               " the non-complete lattice.\n" );
959 <      painCave.isFatal = 1;
960 <      simError();
961 <    }
962 <  }
963 <  else{
964 <    n_cells = (int)temp3;
965 <    cellx = simnfo->box_x / temp3;
966 <    celly = simnfo->box_y / temp3;
967 <    cellz = simnfo->box_z / temp3;
968 <  }
1055 >  // calc the number of atoms, bond, bends, and torsions
1056  
1057 <  current_mol = 0;
971 <  current_comp_mol = 0;
972 <  current_comp = 0;
973 <  current_atom_ndx = 0;
1057 >  calcSysValues();
1058  
1059 <  for( i=0; i < n_cells ; i++ ){
1060 <    for( j=0; j < n_cells; j++ ){
1061 <      for( k=0; k < n_cells; k++ ){
1059 > #ifdef IS_MPI
1060 >  // divide the molecules among the processors
1061 >  
1062 >  mpiMolDivide();
1063 > #endif //is_mpi
1064 >  
1065 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1066 >
1067 >  makeSysArrays();
1068  
1069 <        makeElement( i * cellx,
1070 <                     j * celly,
1071 <                     k * cellz );
1072 <
1073 <        makeElement( i * cellx + 0.5 * cellx,
1074 <                     j * celly + 0.5 * celly,
1075 <                     k * cellz );
1076 <
987 <        makeElement( i * cellx,
988 <                     j * celly + 0.5 * celly,
989 <                     k * cellz + 0.5 * cellz );
990 <
991 <        makeElement( i * cellx + 0.5 * cellx,
992 <                     j * celly,
993 <                     k * cellz + 0.5 * cellz );
994 <      }
1069 >  // make and initialize the molecules (all but atomic coordinates)
1070 >
1071 >  makeMolecules();
1072 >  
1073 >  for(k=0; k<nInfo; k++){
1074 >    info[k].identArray = new int[info[k].n_atoms];
1075 >    for(i=0; i<info[k].n_atoms; i++){
1076 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1077      }
1078    }
1079 + }
1080  
998  if( have_extra ){
999    done = 0;
1081  
1082 <    int start_ndx;
1002 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1003 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1082 > void SimSetup::createFF( void ){
1083  
1084 <        if( i < n_cells ){
1084 >  switch( ffCase ){
1085  
1086 <          if( j < n_cells ){
1087 <            start_ndx = n_cells;
1088 <          }
1010 <          else start_ndx = 0;
1011 <        }
1012 <        else start_ndx = 0;
1086 >  case FF_DUFF:
1087 >    the_ff = new DUFF();
1088 >    break;
1089  
1090 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1090 >  case FF_LJ:
1091 >    the_ff = new LJFF();
1092 >    break;
1093  
1094 <          makeElement( i * cellx,
1095 <                       j * celly,
1096 <                       k * cellz );
1019 <          done = ( current_mol >= tot_nmol );
1094 >  case FF_EAM:
1095 >    the_ff = new EAM_FF();
1096 >    break;
1097  
1098 <          if( !done && n_per_extra > 1 ){
1099 <            makeElement( i * cellx + 0.5 * cellx,
1100 <                         j * celly + 0.5 * celly,
1101 <                         k * cellz );
1102 <            done = ( current_mol >= tot_nmol );
1103 <          }
1098 >  default:
1099 >    sprintf( painCave.errMsg,
1100 >             "SimSetup Error. Unrecognized force field in case statement.\n");
1101 >    painCave.isFatal = 1;
1102 >    simError();
1103 >  }
1104  
1105 <          if( !done && n_per_extra > 2){
1106 <            makeElement( i * cellx,
1107 <                         j * celly + 0.5 * celly,
1108 <                         k * cellz + 0.5 * cellz );
1032 <            done = ( current_mol >= tot_nmol );
1033 <          }
1105 > #ifdef IS_MPI
1106 >  strcpy( checkPointMsg, "ForceField creation successful" );
1107 >  MPIcheckPoint();
1108 > #endif // is_mpi
1109  
1110 <          if( !done && n_per_extra > 3){
1111 <            makeElement( i * cellx + 0.5 * cellx,
1112 <                         j * celly,
1113 <                         k * cellz + 0.5 * cellz );
1114 <            done = ( current_mol >= tot_nmol );
1115 <          }
1116 <        }
1110 > }
1111 >
1112 >
1113 > void SimSetup::compList( void ){
1114 >
1115 >  int i;
1116 >  char* id;
1117 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1118 >  LinkedMolStamp* currentStamp = NULL;
1119 >  comp_stamps = new MoleculeStamp*[n_components];
1120 >  
1121 >  // make an array of molecule stamps that match the components used.
1122 >  // also extract the used stamps out into a separate linked list
1123 >  
1124 >  for(i=0; i<nInfo; i++){
1125 >    info[i].nComponents = n_components;
1126 >    info[i].componentsNmol = components_nmol;
1127 >    info[i].compStamps = comp_stamps;
1128 >    info[i].headStamp = headStamp;
1129 >  }
1130 >  
1131 >
1132 >  for( i=0; i<n_components; i++ ){
1133 >
1134 >    id = the_components[i]->getType();
1135 >    comp_stamps[i] = NULL;
1136 >    
1137 >    // check to make sure the component isn't already in the list
1138 >
1139 >    comp_stamps[i] = headStamp->match( id );
1140 >    if( comp_stamps[i] == NULL ){
1141 >      
1142 >      // extract the component from the list;
1143 >      
1144 >      currentStamp = stamps->extractMolStamp( id );
1145 >      if( currentStamp == NULL ){
1146 >        sprintf( painCave.errMsg,
1147 >                 "SimSetup error: Component \"%s\" was not found in the "
1148 >                 "list of declared molecules\n",
1149 >                 id );
1150 >        painCave.isFatal = 1;
1151 >        simError();
1152        }
1153 +      
1154 +      headStamp->add( currentStamp );
1155 +      comp_stamps[i] = headStamp->match( id );
1156      }
1157    }
1158  
1159 + #ifdef IS_MPI
1160 +  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1161 +  MPIcheckPoint();
1162 + #endif // is_mpi
1163  
1164 <  for( i=0; i<simnfo->n_atoms; i++ ){
1165 <    simnfo->atoms[i]->set_vx( 0.0 );
1166 <    simnfo->atoms[i]->set_vy( 0.0 );
1167 <    simnfo->atoms[i]->set_vz( 0.0 );
1164 >
1165 > }
1166 >
1167 > void SimSetup::calcSysValues( void ){
1168 >  int i, j, k;
1169 >  
1170 >  int *molMembershipArray;
1171 >  
1172 >  tot_atoms = 0;
1173 >  tot_bonds = 0;
1174 >  tot_bends = 0;
1175 >  tot_torsions = 0;
1176 >  for( i=0; i<n_components; i++ ){
1177 >    
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 < void SimSetup::makeElement( double x, double y, double z ){
1199 > #ifdef IS_MPI
1200  
1201 <  int k;
1202 <  AtomStamp* current_atom;
1203 <  DirectionalAtom* dAtom;
1204 <  double rotMat[3][3];
1201 > void SimSetup::mpiMolDivide( void ){
1202 >  
1203 >  int i, j, k;
1204 >  int localMol, allMol;
1205 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1206  
1207 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1207 >  mpiSim = new mpiSimulation( info );
1208 >  
1209 >  globalIndex = mpiSim->divideLabor();
1210  
1211 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1212 <    if( !current_atom->havePosition() ){
1213 <      sprintf( painCave.errMsg,
1214 <               "SimSetup:initFromBass error.\n"
1215 <               "\tComponent %s, atom %s does not have a position specified.\n"
1216 <               "\tThe initialization routine is unable to give a start"
1217 <               " position.\n",
1218 <               comp_stamps[current_comp]->getID(),
1219 <               current_atom->getType() );
1220 <      painCave.isFatal = 1;
1221 <      simError();
1211 >  // set up the local variables
1212 >  
1213 >  mol2proc = mpiSim->getMolToProcMap();
1214 >  molCompType = mpiSim->getMolComponentType();
1215 >  
1216 >  allMol = 0;
1217 >  localMol = 0;
1218 >  local_atoms = 0;
1219 >  local_bonds = 0;
1220 >  local_bends = 0;
1221 >  local_torsions = 0;
1222 >  globalAtomIndex = 0;
1223 >
1224 >
1225 >  for( i=0; i<n_components; i++ ){
1226 >
1227 >    for( j=0; j<components_nmol[i]; j++ ){
1228 >      
1229 >      if( mol2proc[allMol] == worldRank ){
1230 >        
1231 >        local_atoms +=    comp_stamps[i]->getNAtoms();
1232 >        local_bonds +=    comp_stamps[i]->getNBonds();
1233 >        local_bends +=    comp_stamps[i]->getNBends();
1234 >        local_torsions += comp_stamps[i]->getNTorsions();
1235 >        localMol++;
1236 >      }      
1237 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1238 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1239 >        globalAtomIndex++;
1240 >      }
1241 >
1242 >      allMol++;      
1243      }
1244 +  }
1245 +  local_SRI = local_bonds + local_bends + local_torsions;
1246 +  
1247 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1248 +  
1249 +  if( local_atoms != info[0].n_atoms ){
1250 +    sprintf( painCave.errMsg,
1251 +             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1252 +             " localAtom (%d) are not equal.\n",
1253 +             info[0].n_atoms,
1254 +             local_atoms );
1255 +    painCave.isFatal = 1;
1256 +    simError();
1257 +  }
1258  
1259 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1260 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1261 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1259 >  info[0].n_bonds = local_bonds;
1260 >  info[0].n_bends = local_bends;
1261 >  info[0].n_torsions = local_torsions;
1262 >  info[0].n_SRI = local_SRI;
1263 >  info[0].n_mol = localMol;
1264  
1265 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1265 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1266 >  MPIcheckPoint();
1267 > }
1268 >
1269 > #endif // is_mpi
1270  
1082      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1271  
1272 <      rotMat[0][0] = 1.0;
1273 <      rotMat[0][1] = 0.0;
1086 <      rotMat[0][2] = 0.0;
1272 > void SimSetup::makeSysArrays( void ){
1273 >  int i, j, k, l;
1274  
1275 <      rotMat[1][0] = 0.0;
1276 <      rotMat[1][1] = 1.0;
1277 <      rotMat[1][2] = 0.0;
1275 >  Atom** the_atoms;
1276 >  Molecule* the_molecules;
1277 >  Exclude** the_excludes;
1278  
1279 <      rotMat[2][0] = 0.0;
1280 <      rotMat[2][1] = 0.0;
1281 <      rotMat[2][2] = 1.0;
1279 >  
1280 >  for(l=0; l<nInfo; l++){
1281 >    
1282 >    // create the atom and short range interaction arrays
1283 >    
1284 >    the_atoms = new Atom*[info[l].n_atoms];
1285 >    the_molecules = new Molecule[info[l].n_mol];
1286 >    int molIndex;
1287  
1288 <      dAtom->setA( rotMat );
1288 >    // initialize the molecule's stampID's
1289 >    
1290 > #ifdef IS_MPI
1291 >    
1292 >    
1293 >    molIndex = 0;
1294 >    for(i=0; i<mpiSim->getTotNmol(); i++){
1295 >    
1296 >      if(mol2proc[i] == worldRank ){
1297 >        the_molecules[molIndex].setStampID( molCompType[i] );
1298 >        the_molecules[molIndex].setMyIndex( molIndex );
1299 >        the_molecules[molIndex].setGlobalIndex( i );
1300 >        molIndex++;
1301 >      }
1302      }
1303 +    
1304 + #else // is_mpi
1305 +    
1306 +    molIndex = 0;
1307 +    globalAtomIndex = 0;
1308 +    for(i=0; i<n_components; i++){
1309 +      for(j=0; j<components_nmol[i]; j++ ){
1310 +        the_molecules[molIndex].setStampID( i );
1311 +        the_molecules[molIndex].setMyIndex( molIndex );
1312 +        the_molecules[molIndex].setGlobalIndex( molIndex );
1313 +        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1314 +          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1315 +          globalAtomIndex++;
1316 +        }
1317 +        molIndex++;
1318 +      }
1319 +    }
1320 +    
1321 +    
1322 + #endif // is_mpi
1323  
1324 <    current_atom_ndx++;
1324 >
1325 >    if( info[l].n_SRI ){
1326 >    
1327 >      Exclude::createArray(info[l].n_SRI);
1328 >      the_excludes = new Exclude*[info[l].n_SRI];
1329 >      for( int ex=0; ex<info[l].n_SRI; ex++){
1330 >        the_excludes[ex] = new Exclude(ex);
1331 >      }
1332 >      info[l].globalExcludes = new int;
1333 >      info[l].n_exclude = info[l].n_SRI;
1334 >    }
1335 >    else{
1336 >    
1337 >      Exclude::createArray( 1 );
1338 >      the_excludes = new Exclude*;
1339 >      the_excludes[0] = new Exclude(0);
1340 >      the_excludes[0]->setPair( 0,0 );
1341 >      info[l].globalExcludes = new int;
1342 >      info[l].globalExcludes[0] = 0;
1343 >      info[l].n_exclude = 0;
1344 >    }
1345 >
1346 >    // set the arrays into the SimInfo object
1347 >
1348 >    info[l].atoms = the_atoms;
1349 >    info[l].molecules = the_molecules;
1350 >    info[l].nGlobalExcludes = 0;
1351 >    info[l].excludes = the_excludes;
1352 >
1353 >    the_ff->setSimInfo( info );
1354 >    
1355    }
1356 + }
1357  
1358 <  current_mol++;
1103 <  current_comp_mol++;
1358 > void SimSetup::makeIntegrator( void ){
1359  
1360 <  if( current_comp_mol >= components_nmol[current_comp] ){
1360 >  int k;
1361  
1362 <    current_comp_mol = 0;
1363 <    current_comp++;
1362 >  NVT<RealIntegrator>*  myNVT = NULL;
1363 >  NPTi<RealIntegrator>* myNPTi = NULL;
1364 >  NPTf<RealIntegrator>* myNPTf = NULL;
1365 >  NPTim<RealIntegrator>* myNPTim = NULL;
1366 >  NPTfm<RealIntegrator>* myNPTfm = NULL;
1367 >        
1368 >  for(k=0; k<nInfo; k++){
1369 >    
1370 >    switch( ensembleCase ){
1371 >      
1372 >    case NVE_ENS:
1373 >        if (globals->haveZconstraints()){
1374 >         setupZConstraint(info[k]);
1375 >           new ZConstraint<NVE<RealIntegrator> >( &(info[k]), the_ff );
1376 >        }
1377 >
1378 >        else
1379 >        new NVE<RealIntegrator>( &(info[k]), the_ff );
1380 >      break;
1381 >      
1382 >    case NVT_ENS:
1383 >        if (globals->haveZconstraints()){
1384 >         setupZConstraint(info[k]);
1385 >           myNVT = new ZConstraint<NVT<RealIntegrator> >( &(info[k]), the_ff );
1386 >        }
1387 >        else
1388 >        myNVT = new NVT<RealIntegrator>( &(info[k]), the_ff );
1389 >
1390 >      myNVT->setTargetTemp(globals->getTargetTemp());
1391 >      
1392 >      if (globals->haveTauThermostat())
1393 >        myNVT->setTauThermostat(globals->getTauThermostat());
1394 >      
1395 >      else {
1396 >        sprintf( painCave.errMsg,
1397 >                 "SimSetup error: If you use the NVT\n"
1398 >                 "    ensemble, you must set tauThermostat.\n");
1399 >        painCave.isFatal = 1;
1400 >        simError();
1401 >      }
1402 >      break;
1403 >      
1404 >    case NPTi_ENS:
1405 >        if (globals->haveZconstraints()){
1406 >         setupZConstraint(info[k]);
1407 >           myNPTi = new ZConstraint<NPTi<RealIntegrator> >( &(info[k]), the_ff );
1408 >        }
1409 >        else
1410 >        myNPTi = new NPTi<RealIntegrator>( &(info[k]), the_ff );
1411 >
1412 >        myNPTi->setTargetTemp( globals->getTargetTemp() );
1413 >      
1414 >      if (globals->haveTargetPressure())
1415 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1416 >      else {
1417 >        sprintf( painCave.errMsg,
1418 >                 "SimSetup error: If you use a constant pressure\n"
1419 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1420 >        painCave.isFatal = 1;
1421 >        simError();
1422 >      }
1423 >      
1424 >      if( globals->haveTauThermostat() )
1425 >        myNPTi->setTauThermostat( globals->getTauThermostat() );
1426 >      else{
1427 >        sprintf( painCave.errMsg,
1428 >                 "SimSetup error: If you use an NPT\n"
1429 >                 "    ensemble, you must set tauThermostat.\n");
1430 >        painCave.isFatal = 1;
1431 >        simError();
1432 >      }
1433 >      
1434 >      if( globals->haveTauBarostat() )
1435 >        myNPTi->setTauBarostat( globals->getTauBarostat() );
1436 >      else{
1437 >        sprintf( painCave.errMsg,
1438 >                 "SimSetup error: If you use an NPT\n"
1439 >                 "    ensemble, you must set tauBarostat.\n");
1440 >        painCave.isFatal = 1;
1441 >        simError();
1442 >      }
1443 >      break;
1444 >      
1445 >    case NPTf_ENS:
1446 >        if (globals->haveZconstraints()){
1447 >         setupZConstraint(info[k]);
1448 >           myNPTf = new ZConstraint<NPTf<RealIntegrator> >( &(info[k]), the_ff );
1449 >        }
1450 >        else
1451 >        myNPTf = new NPTf<RealIntegrator>( &(info[k]), the_ff );
1452 >
1453 >      myNPTf->setTargetTemp( globals->getTargetTemp());
1454 >      
1455 >      if (globals->haveTargetPressure())
1456 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1457 >      else {
1458 >        sprintf( painCave.errMsg,
1459 >                 "SimSetup error: If you use a constant pressure\n"
1460 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1461 >        painCave.isFatal = 1;
1462 >        simError();
1463 >      }    
1464 >      
1465 >      if( globals->haveTauThermostat() )
1466 >        myNPTf->setTauThermostat( globals->getTauThermostat() );
1467 >      else{
1468 >        sprintf( painCave.errMsg,
1469 >                 "SimSetup error: If you use an NPT\n"
1470 >               "    ensemble, you must set tauThermostat.\n");
1471 >        painCave.isFatal = 1;
1472 >        simError();
1473 >      }
1474 >      
1475 >      if( globals->haveTauBarostat() )
1476 >        myNPTf->setTauBarostat( globals->getTauBarostat() );
1477 >      else{
1478 >        sprintf( painCave.errMsg,
1479 >                 "SimSetup error: If you use an NPT\n"
1480 >                 "    ensemble, you must set tauBarostat.\n");
1481 >        painCave.isFatal = 1;
1482 >        simError();
1483 >      }
1484 >      break;
1485 >      
1486 >    case NPTim_ENS:
1487 >        if (globals->haveZconstraints()){
1488 >         setupZConstraint(info[k]);
1489 >           myNPTim = new ZConstraint<NPTim<RealIntegrator> >( &(info[k]), the_ff );
1490 >        }
1491 >        else
1492 >        myNPTim = new NPTim<RealIntegrator>( &(info[k]), the_ff );
1493 >
1494 >        myNPTim->setTargetTemp( globals->getTargetTemp());
1495 >      
1496 >      if (globals->haveTargetPressure())
1497 >        myNPTim->setTargetPressure(globals->getTargetPressure());
1498 >      else {
1499 >        sprintf( painCave.errMsg,
1500 >                 "SimSetup error: If you use a constant pressure\n"
1501 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1502 >        painCave.isFatal = 1;
1503 >        simError();
1504 >      }
1505 >      
1506 >      if( globals->haveTauThermostat() )
1507 >        myNPTim->setTauThermostat( globals->getTauThermostat() );
1508 >      else{
1509 >        sprintf( painCave.errMsg,
1510 >                 "SimSetup error: If you use an NPT\n"
1511 >                 "    ensemble, you must set tauThermostat.\n");
1512 >        painCave.isFatal = 1;
1513 >        simError();
1514 >      }
1515 >      
1516 >      if( globals->haveTauBarostat() )
1517 >        myNPTim->setTauBarostat( globals->getTauBarostat() );
1518 >      else{
1519 >      sprintf( painCave.errMsg,
1520 >               "SimSetup error: If you use an NPT\n"
1521 >               "    ensemble, you must set tauBarostat.\n");
1522 >      painCave.isFatal = 1;
1523 >      simError();
1524 >      }
1525 >      break;
1526 >      
1527 >    case NPTfm_ENS:
1528 >        if (globals->haveZconstraints()){
1529 >         setupZConstraint(info[k]);
1530 >           myNPTfm = new ZConstraint<NPTfm<RealIntegrator> >( &(info[k]), the_ff );
1531 >        }
1532 >        else
1533 >        myNPTfm = new NPTfm<RealIntegrator>( &(info[k]), the_ff );
1534 >
1535 >        myNPTfm->setTargetTemp( globals->getTargetTemp());
1536 >      
1537 >      if (globals->haveTargetPressure())
1538 >        myNPTfm->setTargetPressure(globals->getTargetPressure());
1539 >      else {
1540 >        sprintf( painCave.errMsg,
1541 >                 "SimSetup error: If you use a constant pressure\n"
1542 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1543 >        painCave.isFatal = 1;
1544 >        simError();
1545 >      }
1546 >      
1547 >      if( globals->haveTauThermostat() )
1548 >        myNPTfm->setTauThermostat( globals->getTauThermostat() );
1549 >      else{
1550 >        sprintf( painCave.errMsg,
1551 >                 "SimSetup error: If you use an NPT\n"
1552 >                 "    ensemble, you must set tauThermostat.\n");
1553 >        painCave.isFatal = 1;
1554 >        simError();
1555 >      }
1556 >      
1557 >      if( globals->haveTauBarostat() )
1558 >        myNPTfm->setTauBarostat( globals->getTauBarostat() );
1559 >      else{
1560 >        sprintf( painCave.errMsg,
1561 >                 "SimSetup error: If you use an NPT\n"
1562 >                 "    ensemble, you must set tauBarostat.\n");
1563 >        painCave.isFatal = 1;
1564 >        simError();
1565 >      }
1566 >      break;
1567 >      
1568 >    default:
1569 >      sprintf( painCave.errMsg,
1570 >               "SimSetup Error. Unrecognized ensemble in case statement.\n");
1571 >      painCave.isFatal = 1;
1572 >      simError();
1573 >    }
1574    }
1575   }
1576 +
1577 + void SimSetup::initFortran( void ){
1578 +
1579 +  info[0].refreshSim();
1580 +  
1581 +  if( !strcmp( info[0].mixingRule, "standard") ){
1582 +    the_ff->initForceField( LB_MIXING_RULE );
1583 +  }
1584 +  else if( !strcmp( info[0].mixingRule, "explicit") ){
1585 +    the_ff->initForceField( EXPLICIT_MIXING_RULE );
1586 +  }
1587 +  else{
1588 +    sprintf( painCave.errMsg,
1589 +             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1590 +             info[0].mixingRule );
1591 +    painCave.isFatal = 1;
1592 +    simError();
1593 +  }
1594 +
1595 +
1596 + #ifdef IS_MPI
1597 +  strcpy( checkPointMsg,
1598 +          "Successfully intialized the mixingRule for Fortran." );
1599 +  MPIcheckPoint();
1600 + #endif // is_mpi
1601 +
1602 + }
1603 +
1604 + void SimSetup::setupZConstraint(SimInfo& theInfo)
1605 + {
1606 +    int nZConstraints;
1607 +    ZconStamp** zconStamp;
1608 +        
1609 +    if(globals->haveZconstraintTime()){  
1610 +      
1611 +      //add sample time of z-constraint  into SimInfo's property list                    
1612 +      DoubleData* zconsTimeProp = new DoubleData();
1613 +      zconsTimeProp->setID(ZCONSTIME_ID);
1614 +      zconsTimeProp->setData(globals->getZconsTime());
1615 +      theInfo.addProperty(zconsTimeProp);
1616 +    }
1617 +    else{
1618 +      sprintf( painCave.errMsg,
1619 +               "ZConstraint error: If you use an ZConstraint\n"
1620 +               " , you must set sample time.\n");
1621 +      painCave.isFatal = 1;
1622 +      simError();      
1623 +    }
1624 +
1625 +    //
1626 +    nZConstraints = globals->getNzConstraints();
1627 +    zconStamp = globals->getZconStamp();
1628 +    ZConsParaItem tempParaItem;
1629 +
1630 +    ZConsParaData* zconsParaData = new ZConsParaData();
1631 +    zconsParaData->setID(ZCONSPARADATA_ID);
1632 +  
1633 +    for(int i = 0; i < nZConstraints; i++){
1634 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1635 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1636 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1637 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1638 +
1639 +    zconsParaData->addItem(tempParaItem);
1640 +    }
1641 +
1642 +    //sort the parameters by index of molecules
1643 +    zconsParaData->sortByIndex();
1644 +        
1645 +    //push data into siminfo, therefore, we can retrieve later
1646 +    theInfo.addProperty(zconsParaData);
1647 +
1648 +    //push zconsTol into siminfo, if user does not specify
1649 +    //value for zconsTol, a default value will be used
1650 +    DoubleData* zconsTol = new DoubleData();
1651 +    zconsTol->setID(ZCONSTOL_ID);
1652 +    if(globals->haveZconsTol()){
1653 +      zconsTol->setData(globals->getZconsTol());
1654 +    }
1655 +         else{
1656 +                double defaultZConsTol = 1E-6;
1657 +      sprintf( painCave.errMsg,
1658 +               "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1659 +               " , default value %f is used.\n", defaultZConsTol);
1660 +      painCave.isFatal = 0;
1661 +      simError();      
1662 +
1663 +      zconsTol->setData(defaultZConsTol);
1664 +         }
1665 +    theInfo.addProperty(zconsTol);
1666 +        
1667 +    //Determine the name of ouput file and add it into SimInfo's property list
1668 +    //Be careful, do not use inFileName, since it is a pointer which
1669 +    //point to a string at master node, and slave nodes do not contain that string
1670 +    
1671 +    string zconsOutput(theInfo.finalName);
1672 +    
1673 +    zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1674 +    
1675 +    StringData* zconsFilename = new StringData();
1676 +    zconsFilename->setID(ZCONSFILENAME_ID);
1677 +    zconsFilename->setData(zconsOutput);
1678 +    
1679 +    theInfo.addProperty(zconsFilename);      
1680 + }

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