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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 670 by mmeineke, Thu Aug 7 21:47:18 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 "parse_me.h"
# Line 12 | Line 14 | SimSetup::SimSetup(){
14   #include "mpiSimulation.hpp"
15   #endif
16  
17 + // some defines for ensemble and Forcefield  cases
18 +
19 + #define NVE_ENS        0
20 + #define NVT_ENS        1
21 + #define NPTi_ENS       2
22 + #define NPTf_ENS       3
23 + #define NPTim_ENS      4
24 + #define NPTfm_ENS      5
25 + #define NVEZCONS_ENS   6
26 + #define NVTZCONS_ENS   7
27 + #define NPTiZCONS_ENS  8
28 + #define NPTfZCONS_ENS  9
29 + #define NPTimZCONS_ENS 10
30 + #define NPTfmZCONS_ENS 11
31 +
32 + #define FF_DUFF 0
33 + #define FF_LJ   1
34 + #define FF_EAM  2
35 +
36 + using namespace std;
37 +
38   SimSetup::SimSetup(){
39 +  
40 +  isInfoArray = 0;
41 +  nInfo = 1;
42 +  
43    stamps = new MakeStamps();
44    globals = new Globals();
45    
46 +  
47   #ifdef IS_MPI
48    strcpy( checkPointMsg, "SimSetup creation successful" );
49    MPIcheckPoint();
# Line 27 | Line 55 | void SimSetup::parseFile( char* fileName ){
55    delete globals;
56   }
57  
58 + void SimSetup::setSimInfo( SimInfo* the_info, int theNinfo ) {
59 +    info = the_info;
60 +    nInfo = theNinfo;
61 +    isInfoArray = 1;
62 + }
63 +
64 +
65   void SimSetup::parseFile( char* fileName ){
66  
67   #ifdef IS_MPI
# Line 62 | Line 97 | void SimSetup::createSim( void ){
97  
98   #endif // is_mpi
99  
100 < void SimSetup::createSim( void ){
100 > void SimSetup::createSim(void){
101  
102 <  MakeStamps *the_stamps;
103 <  Globals* the_globals;
104 <  int i, j;
102 >  int i, j, k, globalAtomIndex;
103 >  
104 >  // gather all of the information from the Bass file
105 >  
106 >  gatherInfo();
107  
108 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
108 >  // creation of complex system objects
109  
110 <  // 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();
110 >  sysObjectsCreation();
111  
112 <  // 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 );
85 <
86 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
89 <
90 <
91 <  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 <
112 >  // check on the post processing info
113    
114 +  finalInfoCheck();
115  
116 <  // 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];
116 >  // initialize the system coordinates
117  
118 <  if( !the_globals->haveNMol() ){
114 <    // we don't have the total number of molecules, so we assume it is
115 <    // given in each component
118 >  if( !isInfoArray ) initSystemCoords();  
119  
120 <    tot_nmol = 0;
118 <    for( i=0; i<n_components; i++ ){
120 >  // make the output filenames
121  
122 <      if( !the_components[i]->haveNMol() ){
123 <        // we have a problem
124 <        sprintf( painCave.errMsg,
125 <                 "SimSetup Error. No global NMol or component NMol"
126 <                 " given. Cannot calculate the number of atoms.\n" );
127 <        painCave.isFatal = 1;
126 <        simError();
127 <      }
128 <
129 <      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 <  }
157 <
122 >  makeOutNames();
123 >  
124 >  // make the integrator
125 >  
126 >  makeIntegrator();
127 >  
128   #ifdef IS_MPI
129 <  strcpy( checkPointMsg, "Have the number of components" );
130 <  MPIcheckPoint();
161 < #endif // is_mpi
129 >  mpiSim->mpiRefresh();
130 > #endif
131  
132 <  // make an array of molecule stamps that match the components used.
164 <  // also extract the used stamps out into a separate linked list
132 >  // initialize the Fortran
133  
134 <  simnfo->nComponents = n_components;
167 <  simnfo->componentsNmol = components_nmol;
168 <  simnfo->compStamps = comp_stamps;
169 <  simnfo->headStamp = new LinkedMolStamp();
170 <  
171 <  char* id;
172 <  LinkedMolStamp* headStamp = simnfo->headStamp;
173 <  LinkedMolStamp* currentStamp = NULL;
174 <  for( i=0; i<n_components; i++ ){
134 >  initFortran();
135  
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
136  
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  }
137  
138 < #ifdef IS_MPI
202 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
203 <  MPIcheckPoint();
204 < #endif // is_mpi
205 <  
138 > }
139  
140  
141 + void SimSetup::makeMolecules( void ){
142  
143 <  // caclulate the number of atoms, bonds, bends and torsions
143 >  int k,l;
144 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
145 >  molInit molInfo;
146 >  DirectionalAtom* dAtom;
147 >  LinkedAssign* extras;
148 >  LinkedAssign* current_extra;
149 >  AtomStamp* currentAtom;
150 >  BondStamp* currentBond;
151 >  BendStamp* currentBend;
152 >  TorsionStamp* currentTorsion;
153  
154 <  tot_atoms = 0;
155 <  tot_bonds = 0;
156 <  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 <  }
154 >  bond_pair* theBonds;
155 >  bend_set* theBends;
156 >  torsion_set* theTorsions;
157  
223  tot_SRI = tot_bonds + tot_bends + tot_torsions;
224
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;
231
158    
159 < #ifdef IS_MPI
159 >  //init the forceField paramters
160  
161 <  // divide the molecules among processors here.
236 <  
237 <  mpiSim = new mpiSimulation( simnfo );
238 <  
239 <  
161 >  the_ff->readParams();
162  
241  globalIndex = mpiSim->divideLabor();
242
243
244
245  // set up the local variables
163    
164 <  int localMol, allMol;
248 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
164 >  // init the atoms
165  
166 <  int* mol2proc = mpiSim->getMolToProcMap();
251 <  int* molCompType = mpiSim->getMolComponentType();
166 >  double ux, uy, uz, u, uSqr;
167    
168 <  allMol = 0;
169 <  localMol = 0;
170 <  local_atoms = 0;
256 <  local_bonds = 0;
257 <  local_bends = 0;
258 <  local_torsions = 0;
259 <  for( i=0; i<n_components; i++ ){
168 >  for(k=0; k<nInfo; k++){
169 >    
170 >    the_ff->setSimInfo( &(info[k]) );
171  
172 <    for( j=0; j<components_nmol[i]; j++ ){
172 >    atomOffset = 0;
173 >    excludeOffset = 0;
174 >    for(i=0; i<info[k].n_mol; i++){
175 >    
176 >      stampID = info[k].molecules[i].getStampID();
177 >
178 >      molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
179 >      molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
180 >      molInfo.nBends    = comp_stamps[stampID]->getNBends();
181 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
182 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
183        
184 <      if( mol2proc[j] == worldRank ){
184 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
185 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
186 >      molInfo.myBonds = new Bond*[molInfo.nBonds];
187 >      molInfo.myBends = new Bend*[molInfo.nBends];
188 >      molInfo.myTorsions = new Torsion*[molInfo.nTorsions];
189 >
190 >      theBonds = new bond_pair[molInfo.nBonds];
191 >      theBends = new bend_set[molInfo.nBends];
192 >      theTorsions = new torsion_set[molInfo.nTorsions];
193 >    
194 >      // make the Atoms
195 >    
196 >      for(j=0; j<molInfo.nAtoms; j++){
197          
198 <        local_atoms +=    comp_stamps[i]->getNAtoms();
199 <        local_bonds +=    comp_stamps[i]->getNBonds();
200 <        local_bends +=    comp_stamps[i]->getNBends();
201 <        local_torsions += comp_stamps[i]->getNTorsions();
202 <        localMol++;
203 <      }      
204 <      allMol++;
198 >        currentAtom = comp_stamps[stampID]->getAtom( j );
199 >        if( currentAtom->haveOrientation() ){
200 >          
201 >          dAtom = new DirectionalAtom( (j + atomOffset),
202 >                                       info[k].getConfiguration() );
203 >          info[k].n_oriented++;
204 >          molInfo.myAtoms[j] = dAtom;
205 >          
206 >          ux = currentAtom->getOrntX();
207 >          uy = currentAtom->getOrntY();
208 >          uz = currentAtom->getOrntZ();
209 >          
210 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
211 >          
212 >          u = sqrt( uSqr );
213 >          ux = ux / u;
214 >          uy = uy / u;
215 >          uz = uz / u;
216 >          
217 >          dAtom->setSUx( ux );
218 >          dAtom->setSUy( uy );
219 >          dAtom->setSUz( uz );
220 >        }
221 >        else{
222 >          molInfo.myAtoms[j] = new GeneralAtom( (j + atomOffset),
223 >                                                info[k].getConfiguration() );
224 >        }
225 >        molInfo.myAtoms[j]->setType( currentAtom->getType() );
226 >    
227 > #ifdef IS_MPI
228 >      
229 >        molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
230 >      
231 > #endif // is_mpi
232 >      }
233 >    
234 >    // make the bonds
235 >      for(j=0; j<molInfo.nBonds; j++){
236 >      
237 >        currentBond = comp_stamps[stampID]->getBond( j );
238 >        theBonds[j].a = currentBond->getA() + atomOffset;
239 >        theBonds[j].b = currentBond->getB() + atomOffset;
240 >        
241 >        exI = theBonds[j].a;
242 >        exJ = theBonds[j].b;
243 >        
244 >        // exclude_I must always be the smaller of the pair
245 >        if( exI > exJ ){
246 >          tempEx = exI;
247 >          exI = exJ;
248 >          exJ = tempEx;
249 >        }
250 > #ifdef IS_MPI
251 >        tempEx = exI;
252 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
253 >        tempEx = exJ;
254 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
255 >        
256 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
257 > #else  // isn't MPI
258 >        
259 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
260 > #endif  //is_mpi
261 >      }
262 >      excludeOffset += molInfo.nBonds;
263 >      
264 >      //make the bends
265 >      for(j=0; j<molInfo.nBends; j++){
266 >        
267 >        currentBend = comp_stamps[stampID]->getBend( j );
268 >        theBends[j].a = currentBend->getA() + atomOffset;
269 >        theBends[j].b = currentBend->getB() + atomOffset;
270 >        theBends[j].c = currentBend->getC() + atomOffset;
271 >        
272 >        if( currentBend->haveExtras() ){
273 >          
274 >          extras = currentBend->getExtras();
275 >          current_extra = extras;
276 >          
277 >          while( current_extra != NULL ){
278 >            if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
279 >              
280 >              switch( current_extra->getType() ){
281 >                
282 >              case 0:
283 >                theBends[j].ghost =
284 >                  current_extra->getInt() + atomOffset;
285 >                theBends[j].isGhost = 1;
286 >                break;
287 >                
288 >              case 1:
289 >                theBends[j].ghost =
290 >                  (int)current_extra->getDouble() + atomOffset;
291 >                theBends[j].isGhost = 1;
292 >                break;
293 >                
294 >              default:
295 >                sprintf( painCave.errMsg,
296 >                         "SimSetup Error: ghostVectorSource was neither a "
297 >                         "double nor an int.\n"
298 >                         "-->Bend[%d] in %s\n",
299 >                         j, comp_stamps[stampID]->getID() );
300 >                painCave.isFatal = 1;
301 >                simError();
302 >              }
303 >            }
304 >            
305 >            else{
306 >              
307 >              sprintf( painCave.errMsg,
308 >                       "SimSetup Error: unhandled bend assignment:\n"
309 >                       "    -->%s in Bend[%d] in %s\n",
310 >                       current_extra->getlhs(),
311 >                       j, comp_stamps[stampID]->getID() );
312 >              painCave.isFatal = 1;
313 >              simError();
314 >            }
315 >            
316 >            current_extra = current_extra->getNext();
317 >          }
318 >        }
319 >        
320 >        if( !theBends[j].isGhost ){
321 >          
322 >          exI = theBends[j].a;
323 >          exJ = theBends[j].c;
324 >        }
325 >        else{
326 >          
327 >          exI = theBends[j].a;
328 >          exJ = theBends[j].b;
329 >        }
330 >        
331 >        // exclude_I must always be the smaller of the pair
332 >        if( exI > exJ ){
333 >          tempEx = exI;
334 >          exI = exJ;
335 >          exJ = tempEx;
336 >        }
337 > #ifdef IS_MPI
338 >        tempEx = exI;
339 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
340 >        tempEx = exJ;
341 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
342 >      
343 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
344 > #else  // isn't MPI
345 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
346 > #endif  //is_mpi
347 >      }
348 >      excludeOffset += molInfo.nBends;
349 >      
350 >      for(j=0; j<molInfo.nTorsions; j++){
351 >        
352 >        currentTorsion = comp_stamps[stampID]->getTorsion( j );
353 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
354 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
355 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
356 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
357 >        
358 >        exI = theTorsions[j].a;
359 >        exJ = theTorsions[j].d;
360 >        
361 >        // exclude_I must always be the smaller of the pair
362 >        if( exI > exJ ){
363 >          tempEx = exI;
364 >          exI = exJ;
365 >          exJ = tempEx;
366 >        }
367 > #ifdef IS_MPI
368 >        tempEx = exI;
369 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
370 >        tempEx = exJ;
371 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
372 >        
373 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
374 > #else  // isn't MPI
375 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
376 > #endif  //is_mpi
377 >      }
378 >      excludeOffset += molInfo.nTorsions;
379 >      
380 >      
381 >      // send the arrays off to the forceField for init.
382 >      
383 >      the_ff->initializeAtoms( molInfo.nAtoms, molInfo.myAtoms );
384 >      the_ff->initializeBonds( molInfo.nBonds, molInfo.myBonds, theBonds );
385 >      the_ff->initializeBends( molInfo.nBends, molInfo.myBends, theBends );
386 >      the_ff->initializeTorsions( molInfo.nTorsions, molInfo.myTorsions, theTorsions );
387 >      
388 >      
389 >      info[k].molecules[i].initialize( molInfo );
390 >
391 >      
392 >      atomOffset += molInfo.nAtoms;
393 >      delete[] theBonds;
394 >      delete[] theBends;
395 >      delete[] theTorsions;
396      }
397    }
274  local_SRI = local_bonds + local_bends + local_torsions;
398    
399 + #ifdef IS_MPI
400 +  sprintf( checkPointMsg, "all molecules initialized succesfully" );
401 +  MPIcheckPoint();
402 + #endif // is_mpi
403 +  
404 +  // clean up the forcefield
405  
406 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
406 >  the_ff->calcRcut();
407 >  the_ff->cleanMe();
408    
409 <  if( local_atoms != simnfo->n_atoms ){
410 <    sprintf( painCave.errMsg,
411 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
412 <             " localAtom (%d) are not equal.\n",
413 <             simnfo->n_atoms,
414 <             local_atoms );
415 <    painCave.isFatal = 1;
416 <    simError();
409 > }
410 >
411 > void SimSetup::initFromBass( void ){
412 >
413 >  int i, j, k;
414 >  int n_cells;
415 >  double cellx, celly, cellz;
416 >  double temp1, temp2, temp3;
417 >  int n_per_extra;
418 >  int n_extra;
419 >  int have_extra, done;
420 >
421 >  double vel[3];
422 >  vel[0] = 0.0;
423 >  vel[1] = 0.0;
424 >  vel[2] = 0.0;
425 >
426 >  temp1 = (double)tot_nmol / 4.0;
427 >  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
428 >  temp3 = ceil( temp2 );
429 >
430 >  have_extra =0;
431 >  if( temp2 < temp3 ){ // we have a non-complete lattice
432 >    have_extra =1;
433 >
434 >    n_cells = (int)temp3 - 1;
435 >    cellx = info[0].boxL[0] / temp3;
436 >    celly = info[0].boxL[1] / temp3;
437 >    cellz = info[0].boxL[2] / temp3;
438 >    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
439 >    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
440 >    n_per_extra = (int)ceil( temp1 );
441 >
442 >    if( n_per_extra > 4){
443 >      sprintf( painCave.errMsg,
444 >               "SimSetup error. There has been an error in constructing"
445 >               " the non-complete lattice.\n" );
446 >      painCave.isFatal = 1;
447 >      simError();
448 >    }
449    }
450 +  else{
451 +    n_cells = (int)temp3;
452 +    cellx = info[0].boxL[0] / temp3;
453 +    celly = info[0].boxL[1] / temp3;
454 +    cellz = info[0].boxL[2] / temp3;
455 +  }
456  
457 <  simnfo->n_bonds = local_bonds;
458 <  simnfo->n_bends = local_bends;
459 <  simnfo->n_torsions = local_torsions;
460 <  simnfo->n_SRI = local_SRI;
293 <  simnfo->n_mol = localMol;
457 >  current_mol = 0;
458 >  current_comp_mol = 0;
459 >  current_comp = 0;
460 >  current_atom_ndx = 0;
461  
462 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
463 <  MPIcheckPoint();
464 <  
465 <  
466 < #endif // is_mpi
467 <  
462 >  for( i=0; i < n_cells ; i++ ){
463 >    for( j=0; j < n_cells; j++ ){
464 >      for( k=0; k < n_cells; k++ ){
465 >
466 >        makeElement( i * cellx,
467 >                     j * celly,
468 >                     k * cellz );
469 >
470 >        makeElement( i * cellx + 0.5 * cellx,
471 >                     j * celly + 0.5 * celly,
472 >                     k * cellz );
473 >
474 >        makeElement( i * cellx,
475 >                     j * celly + 0.5 * celly,
476 >                     k * cellz + 0.5 * cellz );
477 >
478 >        makeElement( i * cellx + 0.5 * cellx,
479 >                     j * celly,
480 >                     k * cellz + 0.5 * cellz );
481 >      }
482 >    }
483 >  }
484 >
485 >  if( have_extra ){
486 >    done = 0;
487 >
488 >    int start_ndx;
489 >    for( i=0; i < (n_cells+1) && !done; i++ ){
490 >      for( j=0; j < (n_cells+1) && !done; j++ ){
491 >
492 >        if( i < n_cells ){
493 >
494 >          if( j < n_cells ){
495 >            start_ndx = n_cells;
496 >          }
497 >          else start_ndx = 0;
498 >        }
499 >        else start_ndx = 0;
500  
501 <  // create the atom and short range interaction arrays
501 >        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
502  
503 <  Atom::createArrays(simnfo->n_atoms);
504 <  the_atoms = new Atom*[simnfo->n_atoms];
505 <  the_molecules = new Molecule[simnfo->n_mol];
506 <  int molIndex;
503 >          makeElement( i * cellx,
504 >                       j * celly,
505 >                       k * cellz );
506 >          done = ( current_mol >= tot_nmol );
507  
508 <  // initialize the molecule's stampID's
508 >          if( !done && n_per_extra > 1 ){
509 >            makeElement( i * cellx + 0.5 * cellx,
510 >                         j * celly + 0.5 * celly,
511 >                         k * cellz );
512 >            done = ( current_mol >= tot_nmol );
513 >          }
514  
515 < #ifdef IS_MPI
516 <  
515 >          if( !done && n_per_extra > 2){
516 >            makeElement( i * cellx,
517 >                         j * celly + 0.5 * celly,
518 >                         k * cellz + 0.5 * cellz );
519 >            done = ( current_mol >= tot_nmol );
520 >          }
521  
522 <  molIndex = 0;
523 <  for(i=0; i<mpiSim->getTotNmol(); i++){
524 <    
525 <    if(mol2proc[i] == worldRank ){
526 <      the_molecules[molIndex].setStampID( molCompType[i] );
527 <      molIndex++;
522 >          if( !done && n_per_extra > 3){
523 >            makeElement( i * cellx + 0.5 * cellx,
524 >                         j * celly,
525 >                         k * cellz + 0.5 * cellz );
526 >            done = ( current_mol >= tot_nmol );
527 >          }
528 >        }
529 >      }
530      }
531    }
532  
533 < #else // is_mpi
534 <  
325 <  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 <    }
533 >  for( i=0; i<info[0].n_atoms; i++ ){
534 >    info[0].atoms[i]->setVel( vel );
535    }
536 <    
536 > }
537  
538 < #endif // is_mpi
538 > void SimSetup::makeElement( double x, double y, double z ){
539  
540 +  int k;
541 +  AtomStamp* current_atom;
542 +  DirectionalAtom* dAtom;
543 +  double rotMat[3][3];
544 +  double pos[3];
545  
546 <  if( simnfo->n_SRI ){
547 <    Exclude::createArray(simnfo->n_SRI);
548 <    the_excludes = new Exclude*[simnfo->n_SRI];
549 <    simnfo->globalExcludes = new int;
550 <    simnfo->n_exclude = tot_SRI;
551 <  }
552 <  else{
546 >  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
547 >
548 >    current_atom = comp_stamps[current_comp]->getAtom( k );
549 >    if( !current_atom->havePosition() ){
550 >      sprintf( painCave.errMsg,
551 >               "SimSetup:initFromBass error.\n"
552 >               "\tComponent %s, atom %s does not have a position specified.\n"
553 >               "\tThe initialization routine is unable to give a start"
554 >               " position.\n",
555 >               comp_stamps[current_comp]->getID(),
556 >               current_atom->getType() );
557 >      painCave.isFatal = 1;
558 >      simError();
559 >    }
560      
561 <    Exclude::createArray( 1 );
562 <    the_excludes = new Exclude*;
563 <    the_excludes[0] = new Exclude(0);
564 <    the_excludes[0]->setPair( 0,0 );
565 <    simnfo->globalExcludes = new int;
350 <    simnfo->globalExcludes[0] = 0;
351 <    simnfo->n_exclude = 0;
352 <  }
561 >    pos[0] = x + current_atom->getPosX();
562 >    pos[1] = y + current_atom->getPosY();
563 >    pos[2] = z + current_atom->getPosZ();
564 >    
565 >    info[0].atoms[current_atom_ndx]->setPos( pos );
566  
567 <  // set the arrays into the SimInfo object
567 >    if( info[0].atoms[current_atom_ndx]->isDirectional() ){
568  
569 <  simnfo->atoms = the_atoms;
357 <  simnfo->nGlobalExcludes = 0;
358 <  simnfo->excludes = the_excludes;
569 >      dAtom = (DirectionalAtom *)info[0].atoms[current_atom_ndx];
570  
571 +      rotMat[0][0] = 1.0;
572 +      rotMat[0][1] = 0.0;
573 +      rotMat[0][2] = 0.0;
574  
575 <  // get some of the tricky things that may still be in the globals
575 >      rotMat[1][0] = 0.0;
576 >      rotMat[1][1] = 1.0;
577 >      rotMat[1][2] = 0.0;
578  
579 <  
580 <  if( the_globals->haveBox() ){
581 <    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() ){
579 >      rotMat[2][0] = 0.0;
580 >      rotMat[2][1] = 0.0;
581 >      rotMat[2][2] = 1.0;
582  
583 <    double vol;
372 <    vol = (double)tot_nmol / the_globals->getDensity();
373 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
374 <    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();
583 >      dAtom->setA( rotMat );
584      }
384    simnfo->box_x = the_globals->getBoxX();
585  
586 <    if( !the_globals->haveBoxY() ){
587 <      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();
586 >    current_atom_ndx++;
587 >  }
588  
589 <    if( !the_globals->haveBoxZ() ){
590 <      sprintf( painCave.errMsg,
591 <               "SimSetup error, no periodic BoxZ size given.\n" );
592 <      painCave.isFatal = 1;
593 <      simError();
594 <    }
595 <    simnfo->box_z = the_globals->getBoxZ();
589 >  current_mol++;
590 >  current_comp_mol++;
591 >
592 >  if( current_comp_mol >= components_nmol[current_comp] ){
593 >
594 >    current_comp_mol = 0;
595 >    current_comp++;
596    }
597 + }
598  
403 #ifdef IS_MPI
404  strcpy( checkPointMsg, "Box size set up" );
405  MPIcheckPoint();
406 #endif // is_mpi
599  
600 + void SimSetup::gatherInfo( void ){
601 +  int i,j,k;
602  
603 <  // initialize the arrays
603 >  ensembleCase = -1;
604 >  ffCase = -1;
605  
606 <  the_ff->setSimInfo( simnfo );
606 >  // set the easy ones first
607  
608 <  makeMolecules();
609 <  simnfo->identArray = new int[simnfo->n_atoms];
610 <  for(i=0; i<simnfo->n_atoms; i++){
611 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
608 >  for( i=0; i<nInfo; i++){
609 >    info[i].target_temp = globals->getTargetTemp();
610 >    info[i].dt = globals->getDt();
611 >    info[i].run_time = globals->getRunTime();
612    }
613 <  
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 <    }
613 >  n_components = globals->getNComponents();
614  
615 <    if( !the_globals->haveEST() ){
616 <      sprintf( painCave.errMsg,
440 <               "SimSetup Warning: using default value of 0.05 * the "
441 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
442 <               );
443 <      painCave.isFatal = 0;
444 <      simError();
445 <      simnfo->est = 0.05 * simnfo->ecr;
446 <    } else {
447 <      simnfo->est        = the_globals->getEST();
448 <    }
449 <    
450 <    if(!the_globals->haveDielectric() ){
451 <      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();
476 <      }
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 <      }
490 <    }
491 <  }  
615 >
616 >  // get the forceField
617  
618 < #ifdef IS_MPI
494 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
495 <  MPIcheckPoint();
496 < #endif // is_mpi
618 >  strcpy( force_field, globals->getForceField() );
619  
620 < if( the_globals->haveInitialConfig() ){
621 <
622 <     InitializeFromFile* fileInit;
623 < #ifdef IS_MPI // is_mpi
624 <     if( worldRank == 0 ){
625 < #endif //is_mpi
626 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
627 < #ifdef IS_MPI
628 <     }else fileInit = new InitializeFromFile( NULL );
629 < #endif
508 <   fileInit->read_xyz( simnfo ); // default velocities on
620 >  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
621 >  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
622 >  else if( !strcasecmp( force_field, "EAM" )) ffCase = FF_EAM;
623 >  else{
624 >    sprintf( painCave.errMsg,
625 >             "SimSetup Error. Unrecognized force field -> %s\n",
626 >             force_field );
627 >    painCave.isFatal = 1;
628 >    simError();
629 >  }
630  
631 <   delete fileInit;
511 < }
512 < else{
631 >  // get the ensemble
632  
633 < #ifdef IS_MPI
633 >  strcpy( ensemble, globals->getEnsemble() );
634  
635 <  // no init from bass
635 >  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
636 >  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
637 >  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
638 >    ensembleCase = NPTi_ENS;
639 >  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
640 >  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
641 >  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
642 >
643 >  else if( !strcasecmp( ensemble, "NVEZCONS")) ensembleCase = NVEZCONS_ENS;
644 >  else if( !strcasecmp( ensemble, "NVTZCONS"))  ensembleCase = NVTZCONS_ENS;
645 >  else if( !strcasecmp( ensemble, "NPTiZCONS") || !strcasecmp( ensemble, "NPTZCONS"))
646 >    ensembleCase = NPTiZCONS_ENS;
647 >  else if( !strcasecmp( ensemble, "NPTfZCONS"))  ensembleCase = NPTfZCONS_ENS;
648 >  else if( !strcasecmp( ensemble, "NPTimZCONS"))  ensembleCase = NPTimZCONS_ENS;
649 >  else if( !strcasecmp( ensemble, "NPTfmZCONS"))  ensembleCase = NPTfmZCONS_ENS;
650    
651 <  sprintf( painCave.errMsg,
652 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
653 <  painCave.isFatal;
654 <  simError();
651 >  else{
652 >    sprintf( painCave.errMsg,
653 >             "SimSetup Warning. Unrecognized Ensemble -> %s, "
654 >             "reverting to NVE for this simulation.\n",
655 >             ensemble );
656 >    painCave.isFatal = 0;
657 >    simError();
658 >    strcpy( ensemble, "NVE" );
659 >    ensembleCase = NVE_ENS;
660 >  }  
661    
662 < #else
662 >  for(i=0; i<nInfo; i++){
663 >    
664 >    strcpy( info[i].ensemble, ensemble );
665  
666 <  initFromBass();
666 >    // get the mixing rule
667  
668 +    strcpy( info[i].mixingRule, globals->getMixingRule() );
669 +    info[i].usePBC = globals->getPBC();
670 +  }
671 +  
672 +  // get the components and calculate the tot_nMol and indvidual n_mol
673 +
674 +  the_components = globals->getComponents();
675 +  components_nmol = new int[n_components];
676  
528 #endif
529 }
677  
678 < #ifdef IS_MPI
679 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
680 <  MPIcheckPoint();
534 < #endif // is_mpi
678 >  if( !globals->haveNMol() ){
679 >    // we don't have the total number of molecules, so we assume it is
680 >    // given in each component
681  
682 +    tot_nmol = 0;
683 +    for( i=0; i<n_components; i++ ){
684  
685 <  
686 <
687 <  
685 >      if( !the_components[i]->haveNMol() ){
686 >        // we have a problem
687 >        sprintf( painCave.errMsg,
688 >                 "SimSetup Error. No global NMol or component NMol"
689 >                 " given. Cannot calculate the number of atoms.\n" );
690 >        painCave.isFatal = 1;
691 >        simError();
692 >      }
693  
694 +      tot_nmol += the_components[i]->getNMol();
695 +      components_nmol[i] = the_components[i]->getNMol();
696 +    }
697 +  }
698 +  else{
699 +    sprintf( painCave.errMsg,
700 +             "SimSetup error.\n"
701 +             "\tSorry, the ability to specify total"
702 +             " nMols and then give molfractions in the components\n"
703 +             "\tis not currently supported."
704 +             " Please give nMol in the components.\n" );
705 +    painCave.isFatal = 1;
706 +    simError();
707 +  }
708 +
709 +  // set the status, sample, and thermal kick times
710    
711 < #ifdef IS_MPI
712 <  if( worldRank == 0 ){
713 < #endif // is_mpi
714 <    
715 <    if( the_globals->haveFinalConfig() ){
716 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
711 >  for(i=0; i<nInfo; i++){
712 >
713 >    if( globals->haveSampleTime() ){
714 >      info[i].sampleTime = globals->getSampleTime();
715 >      info[i].statusTime = info[i].sampleTime;
716 >      info[i].thermalTime = info[i].sampleTime;
717      }
718      else{
719 <      strcpy( simnfo->finalName, inFileName );
720 <      char* endTest;
721 <      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 <      }
719 >      info[i].sampleTime = globals->getRunTime();
720 >      info[i].statusTime = info[i].sampleTime;
721 >      info[i].thermalTime = info[i].sampleTime;
722      }
723      
724 <    // make the sample and status out names
724 >    if( globals->haveStatusTime() ){
725 >      info[i].statusTime = globals->getStatusTime();
726 >    }
727      
728 <    strcpy( simnfo->sampleName, inFileName );
729 <    char* endTest;
578 <    int nameLength = strlen( simnfo->sampleName );
579 <    endTest = &(simnfo->sampleName[nameLength - 5]);
580 <    if( !strcmp( endTest, ".bass" ) ){
581 <      strcpy( endTest, ".dump" );
728 >    if( globals->haveThermalTime() ){
729 >      info[i].thermalTime = globals->getThermalTime();
730      }
731 <    else if( !strcmp( endTest, ".BASS" ) ){
732 <      strcpy( endTest, ".dump" );
731 >
732 >    // check for the temperature set flag
733 >
734 >    if( globals->haveTempSet() ) info[i].setTemp = globals->getTempSet();
735 >    
736 >    // get some of the tricky things that may still be in the globals
737 >    
738 >    double boxVector[3];
739 >    if( globals->haveBox() ){
740 >      boxVector[0] = globals->getBox();
741 >      boxVector[1] = globals->getBox();
742 >      boxVector[2] = globals->getBox();
743 >      
744 >      info[i].setBox( boxVector );
745      }
746 +    else if( globals->haveDensity() ){
747 +      
748 +      double vol;
749 +      vol = (double)tot_nmol / globals->getDensity();
750 +      boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
751 +      boxVector[1] = boxVector[0];
752 +      boxVector[2] = boxVector[0];
753 +      
754 +      info[i].setBox( boxVector );
755 +  }
756      else{
757 <      endTest = &(simnfo->sampleName[nameLength - 4]);
758 <      if( !strcmp( endTest, ".bss" ) ){
759 <        strcpy( endTest, ".dump" );
757 >      if( !globals->haveBoxX() ){
758 >        sprintf( painCave.errMsg,
759 >                 "SimSetup error, no periodic BoxX size given.\n" );
760 >        painCave.isFatal = 1;
761 >        simError();
762        }
763 <      else if( !strcmp( endTest, ".mdl" ) ){
764 <        strcpy( endTest, ".dump" );
763 >      boxVector[0] = globals->getBoxX();
764 >      
765 >      if( !globals->haveBoxY() ){
766 >        sprintf( painCave.errMsg,
767 >                 "SimSetup error, no periodic BoxY size given.\n" );
768 >        painCave.isFatal = 1;
769 >        simError();
770        }
771 <      else{
772 <        strcat( simnfo->sampleName, ".dump" );
773 <      }
774 <    }
775 <    
776 <    strcpy( simnfo->statusName, inFileName );
777 <    nameLength = strlen( simnfo->statusName );
601 <    endTest = &(simnfo->statusName[nameLength - 5]);
602 <    if( !strcmp( endTest, ".bass" ) ){
603 <      strcpy( endTest, ".stat" );
604 <    }
605 <    else if( !strcmp( endTest, ".BASS" ) ){
606 <      strcpy( endTest, ".stat" );
607 <    }
608 <    else{
609 <      endTest = &(simnfo->statusName[nameLength - 4]);
610 <      if( !strcmp( endTest, ".bss" ) ){
611 <        strcpy( endTest, ".stat" );
771 >      boxVector[1] = globals->getBoxY();
772 >      
773 >      if( !globals->haveBoxZ() ){
774 >        sprintf( painCave.errMsg,
775 >                 "SimSetup error, no periodic BoxZ size given.\n" );
776 >        painCave.isFatal = 1;
777 >        simError();
778        }
779 <      else if( !strcmp( endTest, ".mdl" ) ){
780 <        strcpy( endTest, ".stat" );
781 <      }
616 <      else{
617 <        strcat( simnfo->statusName, ".stat" );
618 <      }
779 >      boxVector[2] = globals->getBoxZ();
780 >      
781 >      info[i].setBox( boxVector );
782      }
783 +
784 +  }
785      
786   #ifdef IS_MPI
787 <  }
787 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
788 >  MPIcheckPoint();
789   #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  }
790  
791 <  if( the_globals->haveStatusTime() ){
639 <    simnfo->statusTime = the_globals->getStatusTime();
640 <  }
791 > }
792  
642  if( the_globals->haveThermalTime() ){
643    simnfo->thermalTime = the_globals->getThermalTime();
644  }
793  
794 <  // check for the temperature set flag
794 > void SimSetup::finalInfoCheck( void ){
795 >  int index;
796 >  int usesDipoles;
797 >  int i;
798  
799 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
799 >  for(i=0; i<nInfo; i++){
800 >    // check electrostatic parameters
801 >    
802 >    index = 0;
803 >    usesDipoles = 0;
804 >    while( (index < info[i].n_atoms) && !usesDipoles ){
805 >      usesDipoles = (info[i].atoms[index])->hasDipole();
806 >      index++;
807 >    }
808 >    
809 > #ifdef IS_MPI
810 >    int myUse = usesDipoles;
811 >    MPI_Allreduce( &myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD );
812 > #endif //is_mpi
813 >    
814 >    double theEcr, theEst;
815 >  
816 >    if (globals->getUseRF() ) {
817 >      info[i].useReactionField = 1;
818 >      
819 >      if( !globals->haveECR() ){
820 >        sprintf( painCave.errMsg,
821 >                 "SimSetup Warning: using default value of 1/2 the smallest "
822 >                 "box length for the electrostaticCutoffRadius.\n"
823 >                 "I hope you have a very fast processor!\n");
824 >        painCave.isFatal = 0;
825 >        simError();
826 >        double smallest;
827 >        smallest = info[i].boxL[0];
828 >        if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
829 >        if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
830 >        theEcr = 0.5 * smallest;
831 >      } else {
832 >        theEcr = globals->getECR();
833 >      }
834 >      
835 >      if( !globals->haveEST() ){
836 >        sprintf( painCave.errMsg,
837 >                 "SimSetup Warning: using default value of 0.05 * the "
838 >                 "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
839 >                 );
840 >        painCave.isFatal = 0;
841 >        simError();
842 >        theEst = 0.05 * theEcr;
843 >      } else {
844 >        theEst= globals->getEST();
845 >      }
846 >      
847 >      info[i].setEcr( theEcr, theEst );
848 >      
849 >      if(!globals->haveDielectric() ){
850 >        sprintf( painCave.errMsg,
851 >                 "SimSetup Error: You are trying to use Reaction Field without"
852 >                 "setting a dielectric constant!\n"
853 >                 );
854 >        painCave.isFatal = 1;
855 >        simError();
856 >      }
857 >      info[i].dielectric = globals->getDielectric();  
858 >    }
859 >    else {
860 >      if (usesDipoles) {
861 >        
862 >        if( !globals->haveECR() ){
863 >          sprintf( painCave.errMsg,
864 >                   "SimSetup Warning: using default value of 1/2 the smallest "
865 >                   "box length for the electrostaticCutoffRadius.\n"
866 >                   "I hope you have a very fast processor!\n");
867 >          painCave.isFatal = 0;
868 >          simError();
869 >          double smallest;
870 >          smallest = info[i].boxL[0];
871 >          if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
872 >          if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
873 >          theEcr = 0.5 * smallest;
874 >        } else {
875 >          theEcr = globals->getECR();
876 >        }
877 >        
878 >        if( !globals->haveEST() ){
879 >          sprintf( painCave.errMsg,
880 >                   "SimSetup Warning: using default value of 0.05 * the "
881 >                   "electrostaticCutoffRadius for the "
882 >                   "electrostaticSkinThickness\n"
883 >                   );
884 >          painCave.isFatal = 0;
885 >          simError();
886 >          theEst = 0.05 * theEcr;
887 >        } else {
888 >          theEst= globals->getEST();
889 >        }
890 >        
891 >        info[i].setEcr( theEcr, theEst );
892 >      }
893 >    }  
894 >  }
895  
896 + #ifdef IS_MPI
897 +  strcpy( checkPointMsg, "post processing checks out" );
898 +  MPIcheckPoint();
899 + #endif // is_mpi
900  
901 < //   // make the longe range forces and the integrator
901 > }
902  
903 < //   new AllLong( simnfo );
903 > void SimSetup::initSystemCoords( void ){
904 >  int i;
905 >  
906 >  std::cerr << "Setting atom Coords\n";
907  
908 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
656 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
657 <
658 <
659 <
660 <  // initialize the Fortran
908 >  (info[0].getConfiguration())->createArrays( info[0].n_atoms );
909    
910 <  simnfo->refreshSim();
910 >  for(i=0; i<info[0].n_atoms; i++) info[0].atoms[i]->setCoords();
911    
912 <  if( !strcmp( simnfo->mixingRule, "standard") ){
913 <    the_ff->initForceField( LB_MIXING_RULE );
912 >  if( globals->haveInitialConfig() ){
913 >    
914 >    InitializeFromFile* fileInit;
915 > #ifdef IS_MPI // is_mpi
916 >    if( worldRank == 0 ){
917 > #endif //is_mpi
918 >      fileInit = new InitializeFromFile( globals->getInitialConfig() );
919 > #ifdef IS_MPI
920 >    }else fileInit = new InitializeFromFile( NULL );
921 > #endif
922 >    fileInit->readInit( info ); // default velocities on
923 >    
924 >    delete fileInit;
925    }
667  else if( !strcmp( simnfo->mixingRule, "explicit") ){
668    the_ff->initForceField( EXPLICIT_MIXING_RULE );
669  }
926    else{
927 +    
928 + #ifdef IS_MPI
929 +    
930 +    // no init from bass
931 +    
932      sprintf( painCave.errMsg,
933 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
934 <             simnfo->mixingRule );
674 <    painCave.isFatal = 1;
933 >             "Cannot intialize a parallel simulation without an initial configuration file.\n" );
934 >    painCave.isFatal;
935      simError();
936 +    
937 + #else
938 +    
939 +    initFromBass();
940 +    
941 +    
942 + #endif
943    }
944 <
678 <
944 >  
945   #ifdef IS_MPI
946 <  strcpy( checkPointMsg,
681 <          "Successfully intialized the mixingRule for Fortran." );
946 >  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
947    MPIcheckPoint();
948   #endif // is_mpi
949 +  
950   }
951  
952  
953 < 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;
953 > void SimSetup::makeOutNames( void ){
954    
955 <  //init the forceField paramters
955 >  int k;
956  
701  the_ff->readParams();
702
957    
958 <  // init the molecules
958 >  for(k=0; k<nInfo; k++){
959  
960 <  atomOffset = 0;
961 <  excludeOffset = 0;
962 <  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++){
960 > #ifdef IS_MPI
961 >    if( worldRank == 0 ){
962 > #endif // is_mpi
963        
964 <      currentAtom = theComponents[stampID]->getAtom( j );
965 <      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 );
964 >      if( globals->haveFinalConfig() ){
965 >        strcpy( info[k].finalName, globals->getFinalConfig() );
966        }
967        else{
968 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
968 >        strcpy( info[k].finalName, inFileName );
969 >        char* endTest;
970 >        int nameLength = strlen( info[k].finalName );
971 >        endTest = &(info[k].finalName[nameLength - 5]);
972 >        if( !strcmp( endTest, ".bass" ) ){
973 >          strcpy( endTest, ".eor" );
974 >        }
975 >        else if( !strcmp( endTest, ".BASS" ) ){
976 >          strcpy( endTest, ".eor" );
977 >        }
978 >        else{
979 >          endTest = &(info[k].finalName[nameLength - 4]);
980 >          if( !strcmp( endTest, ".bss" ) ){
981 >            strcpy( endTest, ".eor" );
982 >          }
983 >          else if( !strcmp( endTest, ".mdl" ) ){
984 >            strcpy( endTest, ".eor" );
985 >          }
986 >          else{
987 >            strcat( info[k].finalName, ".eor" );
988 >          }
989 >        }
990        }
757      info.myAtoms[j]->setType( currentAtom->getType() );
758    
759 #ifdef IS_MPI
991        
992 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
992 >      // make the sample and status out names
993        
994 < #endif // is_mpi
995 <    }
996 <    
997 <    // make the bonds
998 <    for(j=0; j<info.nBonds; j++){
999 <      
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;
994 >      strcpy( info[k].sampleName, inFileName );
995 >      char* endTest;
996 >      int nameLength = strlen( info[k].sampleName );
997 >      endTest = &(info[k].sampleName[nameLength - 5]);
998 >      if( !strcmp( endTest, ".bass" ) ){
999 >        strcpy( endTest, ".dump" );
1000        }
1001 < #ifdef IS_MPI
1002 <      tempEx = exI;
1003 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1004 <      tempEx = exJ;
1005 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1006 <      
1007 <      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();
1001 >      else if( !strcmp( endTest, ".BASS" ) ){
1002 >        strcpy( endTest, ".dump" );
1003 >      }
1004 >      else{
1005 >        endTest = &(info[k].sampleName[nameLength - 4]);
1006 >        if( !strcmp( endTest, ".bss" ) ){
1007 >          strcpy( endTest, ".dump" );
1008          }
1009 +        else if( !strcmp( endTest, ".mdl" ) ){
1010 +          strcpy( endTest, ".dump" );
1011 +        }
1012 +        else{
1013 +          strcat( info[k].sampleName, ".dump" );
1014 +        }
1015        }
1016 <          
1017 <      if( !theBends[j].isGhost ){
1018 <            
1019 <        exI = theBends[j].a;
1020 <        exJ = theBends[j].c;
1016 >      
1017 >      strcpy( info[k].statusName, inFileName );
1018 >      nameLength = strlen( info[k].statusName );
1019 >      endTest = &(info[k].statusName[nameLength - 5]);
1020 >      if( !strcmp( endTest, ".bass" ) ){
1021 >        strcpy( endTest, ".stat" );
1022        }
1023 +      else if( !strcmp( endTest, ".BASS" ) ){
1024 +        strcpy( endTest, ".stat" );
1025 +      }
1026        else{
1027 <        
1028 <        exI = theBends[j].a;
1029 <        exJ = theBends[j].b;
1027 >        endTest = &(info[k].statusName[nameLength - 4]);
1028 >        if( !strcmp( endTest, ".bss" ) ){
1029 >          strcpy( endTest, ".stat" );
1030 >        }
1031 >        else if( !strcmp( endTest, ".mdl" ) ){
1032 >          strcpy( endTest, ".stat" );
1033 >        }
1034 >        else{
1035 >          strcat( info[k].statusName, ".stat" );
1036 >        }
1037        }
1038        
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      }
1039   #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
1040      }
1041 <    excludeOffset += info.nBends;
1041 > #endif // is_mpi
1042 >  }
1043 > }
1044  
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;
1045  
1046 <      // exclude_I must always be the smaller of the pair
1047 <      if( exI > exJ ){
1048 <        tempEx = exI;
1049 <        exI = exJ;
1050 <        exJ = tempEx;
1051 <      }
1052 < #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;
1046 > void SimSetup::sysObjectsCreation( void ){
1047 >  
1048 >  int i,k;
1049 >  
1050 >  // create the forceField
1051 >  
1052 >  createFF();
1053  
1054 <    
912 <    // send the arrays off to the forceField for init.
1054 >  // extract componentList
1055  
1056 <    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 );
1056 >  compList();
1057  
1058 +  // calc the number of atoms, bond, bends, and torsions
1059  
1060 <    the_molecules[i].initialize( info );
921 <    atomOffset += info.nAtoms;
922 <  }
1060 >  calcSysValues();
1061  
1062 <  // clean up the forcefield
1063 <  the_ff->calcRcut();
1064 <  the_ff->cleanMe();
1062 > #ifdef IS_MPI
1063 >  // divide the molecules among the processors
1064 >  
1065 >  mpiMolDivide();
1066 > #endif //is_mpi
1067 >  
1068 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1069 >  
1070 >  makeSysArrays();
1071 >
1072 >  // make and initialize the molecules (all but atomic coordinates)
1073 >  
1074 >  makeMolecules();
1075 >  
1076 >  for(k=0; k<nInfo; k++){
1077 >    info[k].identArray = new int[info[k].n_atoms];
1078 >    for(i=0; i<info[k].n_atoms; i++){
1079 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1080 >    }
1081 >  }
1082   }
1083  
929 void SimSetup::initFromBass( void ){
1084  
1085 <  int i, j, k;
932 <  int n_cells;
933 <  double cellx, celly, cellz;
934 <  double temp1, temp2, temp3;
935 <  int n_per_extra;
936 <  int n_extra;
937 <  int have_extra, done;
1085 > void SimSetup::createFF( void ){
1086  
1087 <  temp1 = (double)tot_nmol / 4.0;
940 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
941 <  temp3 = ceil( temp2 );
1087 >  switch( ffCase ){
1088  
1089 <  have_extra =0;
1090 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1091 <    have_extra =1;
1089 >  case FF_DUFF:
1090 >    the_ff = new DUFF();
1091 >    break;
1092  
1093 <    n_cells = (int)temp3 - 1;
1094 <    cellx = simnfo->box_x / temp3;
1095 <    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 );
1093 >  case FF_LJ:
1094 >    the_ff = new LJFF();
1095 >    break;
1096  
1097 <    if( n_per_extra > 4){
1098 <      sprintf( painCave.errMsg,
1099 <               "SimSetup error. There has been an error in constructing"
1100 <               " the non-complete lattice.\n" );
1101 <      painCave.isFatal = 1;
1102 <      simError();
1103 <    }
1097 >  case FF_EAM:
1098 >    the_ff = new EAM_FF();
1099 >    break;
1100 >
1101 >  default:
1102 >    sprintf( painCave.errMsg,
1103 >             "SimSetup Error. Unrecognized force field in case statement.\n");
1104 >    painCave.isFatal = 1;
1105 >    simError();
1106    }
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  }
1107  
1108 <  current_mol = 0;
1109 <  current_comp_mol = 0;
1110 <  current_comp = 0;
1111 <  current_atom_ndx = 0;
1108 > #ifdef IS_MPI
1109 >  strcpy( checkPointMsg, "ForceField creation successful" );
1110 >  MPIcheckPoint();
1111 > #endif // is_mpi
1112  
1113 <  for( i=0; i < n_cells ; i++ ){
976 <    for( j=0; j < n_cells; j++ ){
977 <      for( k=0; k < n_cells; k++ ){
1113 > }
1114  
979        makeElement( i * cellx,
980                     j * celly,
981                     k * cellz );
1115  
1116 <        makeElement( i * cellx + 0.5 * cellx,
984 <                     j * celly + 0.5 * celly,
985 <                     k * cellz );
1116 > void SimSetup::compList( void ){
1117  
1118 <        makeElement( i * cellx,
1119 <                     j * celly + 0.5 * celly,
1120 <                     k * cellz + 0.5 * cellz );
1118 >  int i;
1119 >  char* id;
1120 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1121 >  LinkedMolStamp* currentStamp = NULL;
1122 >  comp_stamps = new MoleculeStamp*[n_components];
1123 >  
1124 >  // make an array of molecule stamps that match the components used.
1125 >  // also extract the used stamps out into a separate linked list
1126 >  
1127 >  for(i=0; i<nInfo; i++){
1128 >    info[i].nComponents = n_components;
1129 >    info[i].componentsNmol = components_nmol;
1130 >    info[i].compStamps = comp_stamps;
1131 >    info[i].headStamp = headStamp;
1132 >  }
1133 >  
1134  
1135 <        makeElement( i * cellx + 0.5 * cellx,
1136 <                     j * celly,
1137 <                     k * cellz + 0.5 * cellz );
1135 >  for( i=0; i<n_components; i++ ){
1136 >
1137 >    id = the_components[i]->getType();
1138 >    comp_stamps[i] = NULL;
1139 >    
1140 >    // check to make sure the component isn't already in the list
1141 >
1142 >    comp_stamps[i] = headStamp->match( id );
1143 >    if( comp_stamps[i] == NULL ){
1144 >      
1145 >      // extract the component from the list;
1146 >      
1147 >      currentStamp = stamps->extractMolStamp( id );
1148 >      if( currentStamp == NULL ){
1149 >        sprintf( painCave.errMsg,
1150 >                 "SimSetup error: Component \"%s\" was not found in the "
1151 >                 "list of declared molecules\n",
1152 >                 id );
1153 >        painCave.isFatal = 1;
1154 >        simError();
1155        }
1156 +      
1157 +      headStamp->add( currentStamp );
1158 +      comp_stamps[i] = headStamp->match( id );
1159      }
1160    }
1161  
1162 <  if( have_extra ){
1163 <    done = 0;
1162 > #ifdef IS_MPI
1163 >  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1164 >  MPIcheckPoint();
1165 > #endif // is_mpi
1166  
1001    int start_ndx;
1002    for( i=0; i < (n_cells+1) && !done; i++ ){
1003      for( j=0; j < (n_cells+1) && !done; j++ ){
1167  
1168 <        if( i < n_cells ){
1168 > }
1169  
1170 <          if( j < n_cells ){
1171 <            start_ndx = n_cells;
1172 <          }
1173 <          else start_ndx = 0;
1174 <        }
1175 <        else start_ndx = 0;
1176 <
1177 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1178 <
1179 <          makeElement( i * cellx,
1180 <                       j * celly,
1181 <                       k * cellz );
1182 <          done = ( current_mol >= tot_nmol );
1183 <
1184 <          if( !done && n_per_extra > 1 ){
1185 <            makeElement( i * cellx + 0.5 * cellx,
1186 <                         j * celly + 0.5 * celly,
1187 <                         k * cellz );
1188 <            done = ( current_mol >= tot_nmol );
1189 <          }
1190 <
1191 <          if( !done && n_per_extra > 2){
1192 <            makeElement( i * cellx,
1193 <                         j * celly + 0.5 * celly,
1194 <                         k * cellz + 0.5 * cellz );
1195 <            done = ( current_mol >= tot_nmol );
1196 <          }
1170 > void SimSetup::calcSysValues( void ){
1171 >  int i, j, k;
1172 >  
1173 >  int *molMembershipArray;
1174 >  
1175 >  tot_atoms = 0;
1176 >  tot_bonds = 0;
1177 >  tot_bends = 0;
1178 >  tot_torsions = 0;
1179 >  for( i=0; i<n_components; i++ ){
1180 >    
1181 >    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
1182 >    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
1183 >    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
1184 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1185 >  }
1186 >  
1187 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1188 >  molMembershipArray = new int[tot_atoms];
1189 >  
1190 >  for(i=0; i<nInfo; i++){
1191 >    info[i].n_atoms = tot_atoms;
1192 >    info[i].n_bonds = tot_bonds;
1193 >    info[i].n_bends = tot_bends;
1194 >    info[i].n_torsions = tot_torsions;
1195 >    info[i].n_SRI = tot_SRI;
1196 >    info[i].n_mol = tot_nmol;
1197 >    
1198 >    info[i].molMembershipArray = molMembershipArray;
1199 >  }
1200 > }
1201  
1202 <          if( !done && n_per_extra > 3){
1203 <            makeElement( i * cellx + 0.5 * cellx,
1204 <                         j * celly,
1205 <                         k * cellz + 0.5 * cellz );
1206 <            done = ( current_mol >= tot_nmol );
1207 <          }
1208 <        }
1202 > #ifdef IS_MPI
1203 >
1204 > void SimSetup::mpiMolDivide( void ){
1205 >  
1206 >  int i, j, k;
1207 >  int localMol, allMol;
1208 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1209 >
1210 >  mpiSim = new mpiSimulation( info );
1211 >  
1212 >  globalIndex = mpiSim->divideLabor();
1213 >
1214 >  // set up the local variables
1215 >  
1216 >  mol2proc = mpiSim->getMolToProcMap();
1217 >  molCompType = mpiSim->getMolComponentType();
1218 >  
1219 >  allMol = 0;
1220 >  localMol = 0;
1221 >  local_atoms = 0;
1222 >  local_bonds = 0;
1223 >  local_bends = 0;
1224 >  local_torsions = 0;
1225 >  globalAtomIndex = 0;
1226 >
1227 >
1228 >  for( i=0; i<n_components; i++ ){
1229 >
1230 >    for( j=0; j<components_nmol[i]; j++ ){
1231 >      
1232 >      if( mol2proc[allMol] == worldRank ){
1233 >        
1234 >        local_atoms +=    comp_stamps[i]->getNAtoms();
1235 >        local_bonds +=    comp_stamps[i]->getNBonds();
1236 >        local_bends +=    comp_stamps[i]->getNBends();
1237 >        local_torsions += comp_stamps[i]->getNTorsions();
1238 >        localMol++;
1239 >      }      
1240 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1241 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1242 >        globalAtomIndex++;
1243        }
1244 +
1245 +      allMol++;      
1246      }
1247    }
1248 +  local_SRI = local_bonds + local_bends + local_torsions;
1249 +  
1250 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1251 +  
1252 +  if( local_atoms != info[0].n_atoms ){
1253 +    sprintf( painCave.errMsg,
1254 +             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1255 +             " localAtom (%d) are not equal.\n",
1256 +             info[0].n_atoms,
1257 +             local_atoms );
1258 +    painCave.isFatal = 1;
1259 +    simError();
1260 +  }
1261  
1262 +  info[0].n_bonds = local_bonds;
1263 +  info[0].n_bends = local_bends;
1264 +  info[0].n_torsions = local_torsions;
1265 +  info[0].n_SRI = local_SRI;
1266 +  info[0].n_mol = localMol;
1267  
1268 <  for( i=0; i<simnfo->n_atoms; i++ ){
1269 <    simnfo->atoms[i]->set_vx( 0.0 );
1049 <    simnfo->atoms[i]->set_vy( 0.0 );
1050 <    simnfo->atoms[i]->set_vz( 0.0 );
1051 <  }
1268 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1269 >  MPIcheckPoint();
1270   }
1271 +
1272 + #endif // is_mpi
1273  
1054 void SimSetup::makeElement( double x, double y, double z ){
1274  
1275 <  int k;
1276 <  AtomStamp* current_atom;
1058 <  DirectionalAtom* dAtom;
1059 <  double rotMat[3][3];
1275 > void SimSetup::makeSysArrays( void ){
1276 >  int i, j, k, l;
1277  
1278 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1278 >  Atom** the_atoms;
1279 >  Molecule* the_molecules;
1280 >  Exclude** the_excludes;
1281  
1282 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1283 <    if( !current_atom->havePosition() ){
1284 <      sprintf( painCave.errMsg,
1285 <               "SimSetup:initFromBass error.\n"
1286 <               "\tComponent %s, atom %s does not have a position specified.\n"
1287 <               "\tThe initialization routine is unable to give a start"
1288 <               " position.\n",
1289 <               comp_stamps[current_comp]->getID(),
1290 <               current_atom->getType() );
1291 <      painCave.isFatal = 1;
1292 <      simError();
1282 >  
1283 >  for(l=0; l<nInfo; l++){
1284 >    
1285 >    // create the atom and short range interaction arrays
1286 >    
1287 >    the_atoms = new Atom*[info[l].n_atoms];
1288 >    the_molecules = new Molecule[info[l].n_mol];
1289 >    int molIndex;
1290 >
1291 >    // initialize the molecule's stampID's
1292 >    
1293 > #ifdef IS_MPI
1294 >    
1295 >    
1296 >    molIndex = 0;
1297 >    for(i=0; i<mpiSim->getTotNmol(); i++){
1298 >    
1299 >      if(mol2proc[i] == worldRank ){
1300 >        the_molecules[molIndex].setStampID( molCompType[i] );
1301 >        the_molecules[molIndex].setMyIndex( molIndex );
1302 >        the_molecules[molIndex].setGlobalIndex( i );
1303 >        molIndex++;
1304 >      }
1305      }
1306 +    
1307 + #else // is_mpi
1308 +    
1309 +    molIndex = 0;
1310 +    globalAtomIndex = 0;
1311 +    for(i=0; i<n_components; i++){
1312 +      for(j=0; j<components_nmol[i]; j++ ){
1313 +        the_molecules[molIndex].setStampID( i );
1314 +        the_molecules[molIndex].setMyIndex( molIndex );
1315 +        the_molecules[molIndex].setGlobalIndex( molIndex );
1316 +        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1317 +          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1318 +          globalAtomIndex++;
1319 +        }
1320 +        molIndex++;
1321 +      }
1322 +    }
1323 +    
1324 +    
1325 + #endif // is_mpi
1326  
1076    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1077    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1078    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1327  
1328 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1328 >    if( info[l].n_SRI ){
1329 >    
1330 >      Exclude::createArray(info[l].n_SRI);
1331 >      the_excludes = new Exclude*[info[l].n_SRI];
1332 >      for( int ex=0; ex<info[l].n_SRI; ex++){
1333 >        the_excludes[ex] = new Exclude(ex);
1334 >      }
1335 >      info[l].globalExcludes = new int;
1336 >      info[l].n_exclude = info[l].n_SRI;
1337 >    }
1338 >    else{
1339 >    
1340 >      Exclude::createArray( 1 );
1341 >      the_excludes = new Exclude*;
1342 >      the_excludes[0] = new Exclude(0);
1343 >      the_excludes[0]->setPair( 0,0 );
1344 >      info[l].globalExcludes = new int;
1345 >      info[l].globalExcludes[0] = 0;
1346 >      info[l].n_exclude = 0;
1347 >    }
1348  
1349 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1349 >    // set the arrays into the SimInfo object
1350  
1351 <      rotMat[0][0] = 1.0;
1352 <      rotMat[0][1] = 0.0;
1353 <      rotMat[0][2] = 0.0;
1351 >    info[l].atoms = the_atoms;
1352 >    info[l].molecules = the_molecules;
1353 >    info[l].nGlobalExcludes = 0;
1354 >    info[l].excludes = the_excludes;
1355  
1356 <      rotMat[1][0] = 0.0;
1357 <      rotMat[1][1] = 1.0;
1358 <      rotMat[1][2] = 0.0;
1356 >    the_ff->setSimInfo( info );
1357 >    
1358 >  }
1359 > }
1360  
1361 <      rotMat[2][0] = 0.0;
1093 <      rotMat[2][1] = 0.0;
1094 <      rotMat[2][2] = 1.0;
1361 > void SimSetup::makeIntegrator( void ){
1362  
1363 <      dAtom->setA( rotMat );
1363 >  int k;
1364 >
1365 >  NVT<RealIntegrator>*  myNVT = NULL;
1366 >  NPTi<RealIntegrator>* myNPTi = NULL;
1367 >  NPTf<RealIntegrator>* myNPTf = NULL;
1368 >  NPTim<RealIntegrator>* myNPTim = NULL;
1369 >  NPTfm<RealIntegrator>* myNPTfm = NULL;
1370 >  ZConstraint<NVE<RealIntegrator> >* myNVEZCons = NULL;
1371 >  ZConstraint<NVT<RealIntegrator> >* myNVTZCons = NULL;
1372 >  ZConstraint<NPTi<RealIntegrator> >* myNPTiZCons = NULL;
1373 >  ZConstraint<NPTf<RealIntegrator> >* myNPTfZCons = NULL;
1374 >  ZConstraint<NPTim<RealIntegrator> >* myNPTimZCons = NULL;
1375 >  ZConstraint<NPTfm<RealIntegrator> >* myNPTfmZCons = NULL;
1376 >        
1377 >  for(k=0; k<nInfo; k++){
1378 >    
1379 >    switch( ensembleCase ){
1380 >      
1381 >    case NVE_ENS:
1382 >      new NVE<RealIntegrator>( &(info[k]), the_ff );
1383 >      break;
1384 >      
1385 >    case NVT_ENS:
1386 >      myNVT = new NVT<RealIntegrator>( &(info[k]), the_ff );
1387 >      myNVT->setTargetTemp(globals->getTargetTemp());
1388 >      
1389 >      if (globals->haveTauThermostat())
1390 >        myNVT->setTauThermostat(globals->getTauThermostat());
1391 >      
1392 >      else {
1393 >        sprintf( painCave.errMsg,
1394 >                 "SimSetup error: If you use the NVT\n"
1395 >                 "    ensemble, you must set tauThermostat.\n");
1396 >        painCave.isFatal = 1;
1397 >        simError();
1398 >      }
1399 >      break;
1400 >      
1401 >    case NPTi_ENS:
1402 >      myNPTi = new NPTi<RealIntegrator>( &(info[k]), the_ff );
1403 >      myNPTi->setTargetTemp( globals->getTargetTemp() );
1404 >      
1405 >      if (globals->haveTargetPressure())
1406 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1407 >      else {
1408 >        sprintf( painCave.errMsg,
1409 >                 "SimSetup error: If you use a constant pressure\n"
1410 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1411 >        painCave.isFatal = 1;
1412 >        simError();
1413 >      }
1414 >      
1415 >      if( globals->haveTauThermostat() )
1416 >        myNPTi->setTauThermostat( globals->getTauThermostat() );
1417 >      else{
1418 >        sprintf( painCave.errMsg,
1419 >                 "SimSetup error: If you use an NPT\n"
1420 >                 "    ensemble, you must set tauThermostat.\n");
1421 >        painCave.isFatal = 1;
1422 >        simError();
1423 >      }
1424 >      
1425 >      if( globals->haveTauBarostat() )
1426 >        myNPTi->setTauBarostat( globals->getTauBarostat() );
1427 >      else{
1428 >        sprintf( painCave.errMsg,
1429 >                 "SimSetup error: If you use an NPT\n"
1430 >                 "    ensemble, you must set tauBarostat.\n");
1431 >        painCave.isFatal = 1;
1432 >        simError();
1433 >      }
1434 >      break;
1435 >      
1436 >    case NPTf_ENS:
1437 >      myNPTf = new NPTf<RealIntegrator>( &(info[k]), the_ff );
1438 >      myNPTf->setTargetTemp( globals->getTargetTemp());
1439 >      
1440 >      if (globals->haveTargetPressure())
1441 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1442 >      else {
1443 >        sprintf( painCave.errMsg,
1444 >                 "SimSetup error: If you use a constant pressure\n"
1445 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1446 >        painCave.isFatal = 1;
1447 >        simError();
1448 >      }    
1449 >      
1450 >      if( globals->haveTauThermostat() )
1451 >        myNPTf->setTauThermostat( globals->getTauThermostat() );
1452 >      else{
1453 >        sprintf( painCave.errMsg,
1454 >                 "SimSetup error: If you use an NPT\n"
1455 >               "    ensemble, you must set tauThermostat.\n");
1456 >        painCave.isFatal = 1;
1457 >        simError();
1458 >      }
1459 >      
1460 >      if( globals->haveTauBarostat() )
1461 >        myNPTf->setTauBarostat( globals->getTauBarostat() );
1462 >      else{
1463 >        sprintf( painCave.errMsg,
1464 >                 "SimSetup error: If you use an NPT\n"
1465 >                 "    ensemble, you must set tauBarostat.\n");
1466 >        painCave.isFatal = 1;
1467 >        simError();
1468 >      }
1469 >      break;
1470 >      
1471 >    case NPTim_ENS:
1472 >      myNPTim = new NPTim<RealIntegrator>( &(info[k]), the_ff );
1473 >      myNPTim->setTargetTemp( globals->getTargetTemp());
1474 >      
1475 >      if (globals->haveTargetPressure())
1476 >        myNPTim->setTargetPressure(globals->getTargetPressure());
1477 >      else {
1478 >        sprintf( painCave.errMsg,
1479 >                 "SimSetup error: If you use a constant pressure\n"
1480 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1481 >        painCave.isFatal = 1;
1482 >        simError();
1483 >      }
1484 >      
1485 >      if( globals->haveTauThermostat() )
1486 >        myNPTim->setTauThermostat( globals->getTauThermostat() );
1487 >      else{
1488 >        sprintf( painCave.errMsg,
1489 >                 "SimSetup error: If you use an NPT\n"
1490 >                 "    ensemble, you must set tauThermostat.\n");
1491 >        painCave.isFatal = 1;
1492 >        simError();
1493 >      }
1494 >      
1495 >      if( globals->haveTauBarostat() )
1496 >        myNPTim->setTauBarostat( globals->getTauBarostat() );
1497 >      else{
1498 >      sprintf( painCave.errMsg,
1499 >               "SimSetup error: If you use an NPT\n"
1500 >               "    ensemble, you must set tauBarostat.\n");
1501 >      painCave.isFatal = 1;
1502 >      simError();
1503 >      }
1504 >      break;
1505 >      
1506 >    case NPTfm_ENS:
1507 >      myNPTfm = new NPTfm<RealIntegrator>( &(info[k]), the_ff );
1508 >      myNPTfm->setTargetTemp( globals->getTargetTemp());
1509 >      
1510 >      if (globals->haveTargetPressure())
1511 >        myNPTfm->setTargetPressure(globals->getTargetPressure());
1512 >      else {
1513 >        sprintf( painCave.errMsg,
1514 >                 "SimSetup error: If you use a constant pressure\n"
1515 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1516 >        painCave.isFatal = 1;
1517 >        simError();
1518 >      }
1519 >      
1520 >      if( globals->haveTauThermostat() )
1521 >        myNPTfm->setTauThermostat( globals->getTauThermostat() );
1522 >      else{
1523 >        sprintf( painCave.errMsg,
1524 >                 "SimSetup error: If you use an NPT\n"
1525 >                 "    ensemble, you must set tauThermostat.\n");
1526 >        painCave.isFatal = 1;
1527 >        simError();
1528 >      }
1529 >      
1530 >      if( globals->haveTauBarostat() )
1531 >        myNPTfm->setTauBarostat( globals->getTauBarostat() );
1532 >      else{
1533 >        sprintf( painCave.errMsg,
1534 >                 "SimSetup error: If you use an NPT\n"
1535 >                 "    ensemble, you must set tauBarostat.\n");
1536 >        painCave.isFatal = 1;
1537 >        simError();
1538 >      }
1539 >      break;
1540 >      
1541 >    case NVEZCONS_ENS:
1542 >      
1543 >      
1544 >      //setup index of z-constraint molecules, z-constraint sampel time
1545 >      //and z-constraint force output name. These parameter should be known
1546 >      //before constructing the z-constraint integrator
1547 >      setupZConstraint();
1548 >      
1549 >      myNVEZCons = new ZConstraint<NVE<RealIntegrator> >( &(info[k]), the_ff );
1550 >      
1551 >      break;
1552 >      
1553 >      
1554 >    case NVTZCONS_ENS:
1555 >      
1556 >      setupZConstraint();
1557 >      
1558 >      myNVTZCons = new ZConstraint<NVT<RealIntegrator> >( &(info[k]), the_ff );
1559 >      myNVTZCons->setTargetTemp(globals->getTargetTemp());
1560 >      
1561 >      if (globals->haveTauThermostat())
1562 >        myNVTZCons->setTauThermostat(globals->getTauThermostat());
1563 >      
1564 >      else {
1565 >        sprintf( painCave.errMsg,
1566 >                 "SimSetup error: If you use the NVT\n"
1567 >                 "    ensemble, you must set tauThermostat.\n");
1568 >        painCave.isFatal = 1;
1569 >        simError();
1570 >      }    
1571 >      break;    
1572 >      
1573 >    case NPTiZCONS_ENS:
1574 >      
1575 >      setupZConstraint();
1576 >      
1577 >      myNPTiZCons = new ZConstraint<NPTi<RealIntegrator> >( &(info[k]), the_ff );
1578 >      myNPTiZCons->setTargetTemp( globals->getTargetTemp() );
1579 >      
1580 >      if (globals->haveTargetPressure())
1581 >        myNPTiZCons->setTargetPressure(globals->getTargetPressure());
1582 >      else {
1583 >        sprintf( painCave.errMsg,
1584 >                 "SimSetup error: If you use a constant pressure\n"
1585 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1586 >        painCave.isFatal = 1;
1587 >        simError();
1588 >      }
1589 >      
1590 >      if( globals->haveTauThermostat() )
1591 >        myNPTiZCons->setTauThermostat( globals->getTauThermostat() );
1592 >      else{
1593 >        sprintf( painCave.errMsg,
1594 >                 "SimSetup error: If you use an NPT\n"
1595 >                 "    ensemble, you must set tauThermostat.\n");
1596 >        painCave.isFatal = 1;
1597 >        simError();
1598 >      }
1599 >      
1600 >      if( globals->haveTauBarostat() )
1601 >        myNPTiZCons->setTauBarostat( globals->getTauBarostat() );
1602 >      else{
1603 >        sprintf( painCave.errMsg,
1604 >                 "SimSetup error: If you use an NPT\n"
1605 >                 "    ensemble, you must set tauBarostat.\n");
1606 >        painCave.isFatal = 1;
1607 >        simError();
1608 >      }  
1609 >      
1610 >      break;
1611 >      
1612 >    case NPTfZCONS_ENS:
1613 >      
1614 >      setupZConstraint();
1615 >      
1616 >      myNPTfZCons = new ZConstraint<NPTf<RealIntegrator> >( &(info[k]), the_ff );
1617 >      myNPTfZCons->setTargetTemp( globals->getTargetTemp());
1618 >      
1619 >      if (globals->haveTargetPressure())
1620 >        myNPTfZCons->setTargetPressure(globals->getTargetPressure());
1621 >      else {
1622 >        sprintf( painCave.errMsg,
1623 >                 "SimSetup error: If you use a constant pressure\n"
1624 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1625 >        painCave.isFatal = 1;
1626 >        simError();
1627 >      }    
1628 >      
1629 >      if( globals->haveTauThermostat() )
1630 >        myNPTfZCons->setTauThermostat( globals->getTauThermostat() );
1631 >      else{
1632 >        sprintf( painCave.errMsg,
1633 >                 "SimSetup error: If you use an NPT\n"
1634 >                 "    ensemble, you must set tauThermostat.\n");
1635 >        painCave.isFatal = 1;
1636 >        simError();
1637 >      }
1638 >      
1639 >      if( globals->haveTauBarostat() )
1640 >        myNPTfZCons->setTauBarostat( globals->getTauBarostat() );
1641 >      else{
1642 >        sprintf( painCave.errMsg,
1643 >                 "SimSetup error: If you use an NPT\n"
1644 >                 "    ensemble, you must set tauBarostat.\n");
1645 >        painCave.isFatal = 1;
1646 >        simError();
1647 >      }  
1648 >      
1649 >      break;  
1650 >      
1651 >    case NPTimZCONS_ENS:
1652 >      
1653 >      setupZConstraint();
1654 >      
1655 >      myNPTimZCons = new ZConstraint<NPTim<RealIntegrator> >( &(info[k]), the_ff );
1656 >      myNPTimZCons->setTargetTemp( globals->getTargetTemp());
1657 >      
1658 >      if (globals->haveTargetPressure())
1659 >        myNPTimZCons->setTargetPressure(globals->getTargetPressure());
1660 >      else {
1661 >        sprintf( painCave.errMsg,
1662 >                 "SimSetup error: If you use a constant pressure\n"
1663 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1664 >        painCave.isFatal = 1;
1665 >        simError();
1666 >      }
1667 >      
1668 >      if( globals->haveTauThermostat() )
1669 >        myNPTimZCons->setTauThermostat( globals->getTauThermostat() );
1670 >      else{
1671 >        sprintf( painCave.errMsg,
1672 >                 "SimSetup error: If you use an NPT\n"
1673 >                 "    ensemble, you must set tauThermostat.\n");
1674 >        painCave.isFatal = 1;
1675 >        simError();
1676 >      }
1677 >      
1678 >      if( globals->haveTauBarostat() )
1679 >        myNPTimZCons->setTauBarostat( globals->getTauBarostat() );
1680 >      else{
1681 >        sprintf( painCave.errMsg,
1682 >                 "SimSetup error: If you use an NPT\n"
1683 >                 "    ensemble, you must set tauBarostat.\n");
1684 >        painCave.isFatal = 1;
1685 >        simError();
1686 >      }  
1687 >      
1688 >      break;
1689 >      
1690 >    case NPTfmZCONS_ENS:
1691 >      
1692 >      setupZConstraint();
1693 >      
1694 >      myNPTfmZCons = new ZConstraint<NPTfm<RealIntegrator> >( &(info[k]), the_ff );
1695 >      myNPTfmZCons->setTargetTemp( globals->getTargetTemp());
1696 >      
1697 >      if (globals->haveTargetPressure())
1698 >        myNPTfmZCons->setTargetPressure(globals->getTargetPressure());
1699 >      else {
1700 >        sprintf( painCave.errMsg,
1701 >                 "SimSetup error: If you use a constant pressure\n"
1702 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1703 >        painCave.isFatal = 1;
1704 >        simError();
1705 >      }
1706 >      
1707 >      if( globals->haveTauThermostat() )
1708 >        myNPTfmZCons->setTauThermostat( globals->getTauThermostat() );
1709 >      else{
1710 >        sprintf( painCave.errMsg,
1711 >                 "SimSetup error: If you use an NPT\n"
1712 >                 "    ensemble, you must set tauThermostat.\n");
1713 >        painCave.isFatal = 1;
1714 >        simError();
1715 >      }
1716 >      
1717 >      if( globals->haveTauBarostat() )
1718 >        myNPTfmZCons->setTauBarostat( globals->getTauBarostat() );
1719 >      else{
1720 >        sprintf( painCave.errMsg,
1721 >                 "SimSetup error: If you use an NPT\n"
1722 >                 "    ensemble, you must set tauBarostat.\n");
1723 >        painCave.isFatal = 1;
1724 >        simError();
1725 >      }    
1726 >      break;      
1727 >      
1728 >      
1729 >      
1730 >    default:
1731 >      sprintf( painCave.errMsg,
1732 >               "SimSetup Error. Unrecognized ensemble in case statement.\n");
1733 >      painCave.isFatal = 1;
1734 >      simError();
1735      }
1736 +  }
1737 + }
1738  
1739 <    current_atom_ndx++;
1739 > void SimSetup::initFortran( void ){
1740 >
1741 >  info[0].refreshSim();
1742 >  
1743 >  if( !strcmp( info[0].mixingRule, "standard") ){
1744 >    the_ff->initForceField( LB_MIXING_RULE );
1745    }
1746 +  else if( !strcmp( info[0].mixingRule, "explicit") ){
1747 +    the_ff->initForceField( EXPLICIT_MIXING_RULE );
1748 +  }
1749 +  else{
1750 +    sprintf( painCave.errMsg,
1751 +             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1752 +             info[0].mixingRule );
1753 +    painCave.isFatal = 1;
1754 +    simError();
1755 +  }
1756  
1102  current_mol++;
1103  current_comp_mol++;
1757  
1758 <  if( current_comp_mol >= components_nmol[current_comp] ){
1758 > #ifdef IS_MPI
1759 >  strcpy( checkPointMsg,
1760 >          "Successfully intialized the mixingRule for Fortran." );
1761 >  MPIcheckPoint();
1762 > #endif // is_mpi
1763  
1764 <    current_comp_mol = 0;
1765 <    current_comp++;
1764 > }
1765 >
1766 > void SimSetup::setupZConstraint()
1767 > {
1768 >  int k;
1769 >
1770 >  for(k=0; k<nInfo; k++){
1771 >    
1772 >    if(globals->haveZConsTime()){  
1773 >      
1774 >      //add sample time of z-constraint  into SimInfo's property list                    
1775 >      DoubleData* zconsTimeProp = new DoubleData();
1776 >      zconsTimeProp->setID("zconstime");
1777 >      zconsTimeProp->setData(globals->getZConsTime());
1778 >      info[k].addProperty(zconsTimeProp);
1779 >    }
1780 >    else{
1781 >      sprintf( painCave.errMsg,
1782 >               "ZConstraint error: If you use an ZConstraint\n"
1783 >               " , you must set sample time.\n");
1784 >      painCave.isFatal = 1;
1785 >      simError();      
1786 >    }
1787 >    
1788 >    if(globals->haveIndexOfAllZConsMols()){
1789 >
1790 >      //add index of z-constraint molecules into SimInfo's property list
1791 >      vector<int> tempIndex = globals->getIndexOfAllZConsMols();
1792 >      
1793 >      //sort the index
1794 >      sort(tempIndex.begin(), tempIndex.end());
1795 >      
1796 >      IndexData* zconsIndex = new IndexData();
1797 >      zconsIndex->setID("zconsindex");
1798 >      zconsIndex->setIndexData(tempIndex);
1799 >      info[k].addProperty(zconsIndex);
1800 >    }
1801 >    else{
1802 >      sprintf( painCave.errMsg,
1803 >               "SimSetup error: If you use an ZConstraint\n"
1804 >               " , you must set index of z-constraint molecules.\n");
1805 >      painCave.isFatal = 1;
1806 >      simError();    
1807 >      
1808 >    }
1809 >    
1810 >    //Determine the name of ouput file and add it into SimInfo's property list
1811 >    //Be careful, do not use inFileName, since it is a pointer which
1812 >    //point to a string at master node, and slave nodes do not contain that string
1813 >    
1814 >    string zconsOutput(info[k].finalName);
1815 >    
1816 >    zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1817 >    
1818 >    StringData* zconsFilename = new StringData();
1819 >    zconsFilename->setID("zconsfilename");
1820 >    zconsFilename->setData(zconsOutput);
1821 >    
1822 >    info[k].addProperty(zconsFilename);      
1823    }
1824   }

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