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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 412 by mmeineke, Wed Mar 26 21:50:33 2003 UTC vs.
Revision 693 by tim, Wed Aug 13 19:21:53 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 >  gatherInfo();
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 >  // creation of complex system objects
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 >  sysObjectsCreation();
106  
107 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
107 >  // check on the post processing info
108  
109 +  finalInfoCheck();
110  
111 <  if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
92 <  else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
93 <  else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
94 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
95 <  else{
96 <    sprintf( painCave.errMsg,
97 <             "SimSetup Error. Unrecognized force field -> %s\n",
98 <             force_field );
99 <    painCave.isFatal = 1;
100 <    simError();
101 <  }
111 >  // initialize the system coordinates
112  
113 < #ifdef IS_MPI
104 <  strcpy( checkPointMsg, "ForceField creation successful" );
105 <  MPIcheckPoint();
106 < #endif // is_mpi
113 >  if( !isInfoArray ) initSystemCoords();  
114  
115 +  // make the output filenames
116 +
117 +  makeOutNames();
118 +  
119 +  // make the integrator
120    
121 +  makeIntegrator();
122 +  
123 + #ifdef IS_MPI
124 +  mpiSim->mpiRefresh();
125 + #endif
126  
127 <  // get the components and calculate the tot_nMol and indvidual n_mol
111 <  the_components = the_globals->getComponents();
112 <  components_nmol = new int[n_components];
113 <  comp_stamps = new MoleculeStamp*[n_components];
127 >  // initialize the Fortran
128  
129 <  if( !the_globals->haveNMol() ){
116 <    // we don't have the total number of molecules, so we assume it is
117 <    // given in each component
129 >  initFortran();
130  
119    tot_nmol = 0;
120    for( i=0; i<n_components; i++ ){
131  
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;
128        simError();
129      }
132  
133 <      tot_nmol += the_components[i]->getNMol();
132 <      components_nmol[i] = the_components[i]->getNMol();
133 <    }
134 <  }
135 <  else{
136 <    sprintf( painCave.errMsg,
137 <             "SimSetup error.\n"
138 <             "\tSorry, the ability to specify total"
139 <             " nMols and then give molfractions in the components\n"
140 <             "\tis not currently supported."
141 <             " Please give nMol in the components.\n" );
142 <    painCave.isFatal = 1;
143 <    simError();
144 <    
145 <    
146 <    //     tot_nmol = the_globals->getNMol();
147 <    
148 <    //   //we have the total number of molecules, now we check for molfractions
149 <    //     for( i=0; i<n_components; i++ ){
150 <    
151 <    //       if( !the_components[i]->haveMolFraction() ){
152 <    
153 <    //  if( !the_components[i]->haveNMol() ){
154 <    //    //we have a problem
155 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
156 <    //              << " nMol was given in component
157 <    
158 <  }
133 > }
134  
160 #ifdef IS_MPI
161  strcpy( checkPointMsg, "Have the number of components" );
162  MPIcheckPoint();
163 #endif // is_mpi
135  
136 <  // make an array of molecule stamps that match the components used.
166 <  // also extract the used stamps out into a separate linked list
136 > void SimSetup::makeMolecules( void ){
137  
138 <  simnfo->nComponents = n_components;
139 <  simnfo->componentsNmol = components_nmol;
140 <  simnfo->compStamps = comp_stamps;
141 <  simnfo->headStamp = new LinkedMolStamp();
142 <  
143 <  char* id;
144 <  LinkedMolStamp* headStamp = simnfo->headStamp;
145 <  LinkedMolStamp* currentStamp = NULL;
146 <  for( i=0; i<n_components; i++ ){
138 >  int k,l;
139 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
140 >  molInit molInfo;
141 >  DirectionalAtom* dAtom;
142 >  LinkedAssign* extras;
143 >  LinkedAssign* current_extra;
144 >  AtomStamp* currentAtom;
145 >  BondStamp* currentBond;
146 >  BendStamp* currentBend;
147 >  TorsionStamp* currentTorsion;
148  
149 <    id = the_components[i]->getType();
150 <    comp_stamps[i] = NULL;
151 <    
181 <    // check to make sure the component isn't already in the list
149 >  bond_pair* theBonds;
150 >  bend_set* theBends;
151 >  torsion_set* theTorsions;
152  
183    comp_stamps[i] = headStamp->match( id );
184    if( comp_stamps[i] == NULL ){
185      
186      // extract the component from the list;
187      
188      currentStamp = the_stamps->extractMolStamp( id );
189      if( currentStamp == NULL ){
190        sprintf( painCave.errMsg,
191                 "SimSetup error: Component \"%s\" was not found in the "
192                 "list of declared molecules\n",
193                 id );
194        painCave.isFatal = 1;
195        simError();
196      }
197      
198      headStamp->add( currentStamp );
199      comp_stamps[i] = headStamp->match( id );
200    }
201  }
202
203 #ifdef IS_MPI
204  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
205  MPIcheckPoint();
206 #endif // is_mpi
153    
154 +  //init the forceField paramters
155  
156 +  the_ff->readParams();
157  
210
211  // caclulate the number of atoms, bonds, bends and torsions
212
213  tot_atoms = 0;
214  tot_bonds = 0;
215  tot_bends = 0;
216  tot_torsions = 0;
217  for( i=0; i<n_components; i++ ){
218    
219    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
220    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
221    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
222    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
223  }
224
225  tot_SRI = tot_bonds + tot_bends + tot_torsions;
226
227  simnfo->n_atoms = tot_atoms;
228  simnfo->n_bonds = tot_bonds;
229  simnfo->n_bends = tot_bends;
230  simnfo->n_torsions = tot_torsions;
231  simnfo->n_SRI = tot_SRI;
232  simnfo->n_mol = tot_nmol;
233
158    
159 < #ifdef IS_MPI
159 >  // init the atoms
160  
161 <  // divide the molecules among processors here.
161 >  double ux, uy, uz, u, uSqr;
162    
163 <  mpiSim = new mpiSimulation( simnfo );
164 <  
165 <  
163 >  for(k=0; k<nInfo; k++){
164 >    
165 >    the_ff->setSimInfo( &(info[k]) );
166  
167 <  globalIndex = mpiSim->divideLabor();
167 >    atomOffset = 0;
168 >    excludeOffset = 0;
169 >    for(i=0; i<info[k].n_mol; i++){
170 >    
171 >      stampID = info[k].molecules[i].getStampID();
172  
173 <
174 <
175 <  // set up the local variables
176 <  
177 <  int localMol, allMol;
250 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
251 <  
252 <  allMol = 0;
253 <  localMol = 0;
254 <  local_atoms = 0;
255 <  local_bonds = 0;
256 <  local_bends = 0;
257 <  local_torsions = 0;
258 <  for( i=0; i<n_components; i++ ){
259 <
260 <    for( j=0; j<components_nmol[i]; j++ ){
173 >      molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
174 >      molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
175 >      molInfo.nBends    = comp_stamps[stampID]->getNBends();
176 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
177 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
178        
179 <      if( mpiSim->getMyMolStart() <= allMol &&
180 <          allMol <= mpiSim->getMyMolEnd() ){
179 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
180 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
181 >      molInfo.myBonds = new Bond*[molInfo.nBonds];
182 >      molInfo.myBends = new Bend*[molInfo.nBends];
183 >      molInfo.myTorsions = new Torsion*[molInfo.nTorsions];
184 >
185 >      theBonds = new bond_pair[molInfo.nBonds];
186 >      theBends = new bend_set[molInfo.nBends];
187 >      theTorsions = new torsion_set[molInfo.nTorsions];
188 >    
189 >      // make the Atoms
190 >    
191 >      for(j=0; j<molInfo.nAtoms; j++){
192          
193 <        local_atoms +=    comp_stamps[i]->getNAtoms();
194 <        local_bonds +=    comp_stamps[i]->getNBonds();
195 <        local_bends +=    comp_stamps[i]->getNBends();
196 <        local_torsions += comp_stamps[i]->getNTorsions();
197 <        localMol++;
198 <      }      
199 <      allMol++;
193 >        currentAtom = comp_stamps[stampID]->getAtom( j );
194 >        if( currentAtom->haveOrientation() ){
195 >          
196 >          dAtom = new DirectionalAtom( (j + atomOffset),
197 >                                       info[k].getConfiguration() );
198 >          info[k].n_oriented++;
199 >          molInfo.myAtoms[j] = dAtom;
200 >          
201 >          ux = currentAtom->getOrntX();
202 >          uy = currentAtom->getOrntY();
203 >          uz = currentAtom->getOrntZ();
204 >          
205 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
206 >          
207 >          u = sqrt( uSqr );
208 >          ux = ux / u;
209 >          uy = uy / u;
210 >          uz = uz / u;
211 >          
212 >          dAtom->setSUx( ux );
213 >          dAtom->setSUy( uy );
214 >          dAtom->setSUz( uz );
215 >        }
216 >        else{
217 >          molInfo.myAtoms[j] = new GeneralAtom( (j + atomOffset),
218 >                                                info[k].getConfiguration() );
219 >        }
220 >        molInfo.myAtoms[j]->setType( currentAtom->getType() );
221 >    
222 > #ifdef IS_MPI
223 >      
224 >        molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
225 >      
226 > #endif // is_mpi
227 >      }
228 >    
229 >    // make the bonds
230 >      for(j=0; j<molInfo.nBonds; j++){
231 >      
232 >        currentBond = comp_stamps[stampID]->getBond( j );
233 >        theBonds[j].a = currentBond->getA() + atomOffset;
234 >        theBonds[j].b = currentBond->getB() + atomOffset;
235 >        
236 >        exI = theBonds[j].a;
237 >        exJ = theBonds[j].b;
238 >        
239 >        // exclude_I must always be the smaller of the pair
240 >        if( exI > exJ ){
241 >          tempEx = exI;
242 >          exI = exJ;
243 >          exJ = tempEx;
244 >        }
245 > #ifdef IS_MPI
246 >        tempEx = exI;
247 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
248 >        tempEx = exJ;
249 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
250 >        
251 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
252 > #else  // isn't MPI
253 >        
254 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
255 > #endif  //is_mpi
256 >      }
257 >      excludeOffset += molInfo.nBonds;
258 >      
259 >      //make the bends
260 >      for(j=0; j<molInfo.nBends; j++){
261 >        
262 >        currentBend = comp_stamps[stampID]->getBend( j );
263 >        theBends[j].a = currentBend->getA() + atomOffset;
264 >        theBends[j].b = currentBend->getB() + atomOffset;
265 >        theBends[j].c = currentBend->getC() + atomOffset;
266 >        
267 >        if( currentBend->haveExtras() ){
268 >          
269 >          extras = currentBend->getExtras();
270 >          current_extra = extras;
271 >          
272 >          while( current_extra != NULL ){
273 >            if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
274 >              
275 >              switch( current_extra->getType() ){
276 >                
277 >              case 0:
278 >                theBends[j].ghost =
279 >                  current_extra->getInt() + atomOffset;
280 >                theBends[j].isGhost = 1;
281 >                break;
282 >                
283 >              case 1:
284 >                theBends[j].ghost =
285 >                  (int)current_extra->getDouble() + atomOffset;
286 >                theBends[j].isGhost = 1;
287 >                break;
288 >                
289 >              default:
290 >                sprintf( painCave.errMsg,
291 >                         "SimSetup Error: ghostVectorSource was neither a "
292 >                         "double nor an int.\n"
293 >                         "-->Bend[%d] in %s\n",
294 >                         j, comp_stamps[stampID]->getID() );
295 >                painCave.isFatal = 1;
296 >                simError();
297 >              }
298 >            }
299 >            
300 >            else{
301 >              
302 >              sprintf( painCave.errMsg,
303 >                       "SimSetup Error: unhandled bend assignment:\n"
304 >                       "    -->%s in Bend[%d] in %s\n",
305 >                       current_extra->getlhs(),
306 >                       j, comp_stamps[stampID]->getID() );
307 >              painCave.isFatal = 1;
308 >              simError();
309 >            }
310 >            
311 >            current_extra = current_extra->getNext();
312 >          }
313 >        }
314 >        
315 >        if( !theBends[j].isGhost ){
316 >          
317 >          exI = theBends[j].a;
318 >          exJ = theBends[j].c;
319 >        }
320 >        else{
321 >          
322 >          exI = theBends[j].a;
323 >          exJ = theBends[j].b;
324 >        }
325 >        
326 >        // exclude_I must always be the smaller of the pair
327 >        if( exI > exJ ){
328 >          tempEx = exI;
329 >          exI = exJ;
330 >          exJ = tempEx;
331 >        }
332 > #ifdef IS_MPI
333 >        tempEx = exI;
334 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
335 >        tempEx = exJ;
336 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
337 >      
338 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
339 > #else  // isn't MPI
340 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
341 > #endif  //is_mpi
342 >      }
343 >      excludeOffset += molInfo.nBends;
344 >      
345 >      for(j=0; j<molInfo.nTorsions; j++){
346 >        
347 >        currentTorsion = comp_stamps[stampID]->getTorsion( j );
348 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
349 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
350 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
351 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
352 >        
353 >        exI = theTorsions[j].a;
354 >        exJ = theTorsions[j].d;
355 >        
356 >        // exclude_I must always be the smaller of the pair
357 >        if( exI > exJ ){
358 >          tempEx = exI;
359 >          exI = exJ;
360 >          exJ = tempEx;
361 >        }
362 > #ifdef IS_MPI
363 >        tempEx = exI;
364 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
365 >        tempEx = exJ;
366 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
367 >        
368 >        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
369 > #else  // isn't MPI
370 >        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
371 > #endif  //is_mpi
372 >      }
373 >      excludeOffset += molInfo.nTorsions;
374 >      
375 >      
376 >      // send the arrays off to the forceField for init.
377 >      
378 >      the_ff->initializeAtoms( molInfo.nAtoms, molInfo.myAtoms );
379 >      the_ff->initializeBonds( molInfo.nBonds, molInfo.myBonds, theBonds );
380 >      the_ff->initializeBends( molInfo.nBends, molInfo.myBends, theBends );
381 >      the_ff->initializeTorsions( molInfo.nTorsions, molInfo.myTorsions, theTorsions );
382 >      
383 >      
384 >      info[k].molecules[i].initialize( molInfo );
385 >
386 >      
387 >      atomOffset += molInfo.nAtoms;
388 >      delete[] theBonds;
389 >      delete[] theBends;
390 >      delete[] theTorsions;
391      }
392    }
274  local_SRI = local_bonds + local_bends + local_torsions;
393    
394 + #ifdef IS_MPI
395 +  sprintf( checkPointMsg, "all molecules initialized succesfully" );
396 +  MPIcheckPoint();
397 + #endif // is_mpi
398 +  
399 +  // clean up the forcefield
400  
401 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
401 >  the_ff->calcRcut();
402 >  the_ff->cleanMe();
403    
404 <  if( local_atoms != simnfo->n_atoms ){
405 <    sprintf( painCave.errMsg,
406 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
407 <             " localAtom (%d) are note equal.\n",
408 <             simnfo->n_atoms,
409 <             local_atoms );
410 <    painCave.isFatal = 1;
411 <    simError();
404 > }
405 >
406 > void SimSetup::initFromBass( void ){
407 >
408 >  int i, j, k;
409 >  int n_cells;
410 >  double cellx, celly, cellz;
411 >  double temp1, temp2, temp3;
412 >  int n_per_extra;
413 >  int n_extra;
414 >  int have_extra, done;
415 >
416 >  double vel[3];
417 >  vel[0] = 0.0;
418 >  vel[1] = 0.0;
419 >  vel[2] = 0.0;
420 >
421 >  temp1 = (double)tot_nmol / 4.0;
422 >  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
423 >  temp3 = ceil( temp2 );
424 >
425 >  have_extra =0;
426 >  if( temp2 < temp3 ){ // we have a non-complete lattice
427 >    have_extra =1;
428 >
429 >    n_cells = (int)temp3 - 1;
430 >    cellx = info[0].boxL[0] / temp3;
431 >    celly = info[0].boxL[1] / temp3;
432 >    cellz = info[0].boxL[2] / temp3;
433 >    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
434 >    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
435 >    n_per_extra = (int)ceil( temp1 );
436 >
437 >    if( n_per_extra > 4){
438 >      sprintf( painCave.errMsg,
439 >               "SimSetup error. There has been an error in constructing"
440 >               " the non-complete lattice.\n" );
441 >      painCave.isFatal = 1;
442 >      simError();
443 >    }
444    }
445 +  else{
446 +    n_cells = (int)temp3;
447 +    cellx = info[0].boxL[0] / temp3;
448 +    celly = info[0].boxL[1] / temp3;
449 +    cellz = info[0].boxL[2] / temp3;
450 +  }
451  
452 <  simnfo->n_bonds = local_bonds;
453 <  simnfo->n_bends = local_bends;
454 <  simnfo->n_torsions = local_torsions;
455 <  simnfo->n_SRI = local_SRI;
456 <  simnfo->n_mol = localMol;
452 >  current_mol = 0;
453 >  current_comp_mol = 0;
454 >  current_comp = 0;
455 >  current_atom_ndx = 0;
456 >
457 >  for( i=0; i < n_cells ; i++ ){
458 >    for( j=0; j < n_cells; j++ ){
459 >      for( k=0; k < n_cells; k++ ){
460 >
461 >        makeElement( i * cellx,
462 >                     j * celly,
463 >                     k * cellz );
464 >
465 >        makeElement( i * cellx + 0.5 * cellx,
466 >                     j * celly + 0.5 * celly,
467 >                     k * cellz );
468 >
469 >        makeElement( i * cellx,
470 >                     j * celly + 0.5 * celly,
471 >                     k * cellz + 0.5 * cellz );
472 >
473 >        makeElement( i * cellx + 0.5 * cellx,
474 >                     j * celly,
475 >                     k * cellz + 0.5 * cellz );
476 >      }
477 >    }
478 >  }
479 >
480 >  if( have_extra ){
481 >    done = 0;
482 >
483 >    int start_ndx;
484 >    for( i=0; i < (n_cells+1) && !done; i++ ){
485 >      for( j=0; j < (n_cells+1) && !done; j++ ){
486  
487 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
296 <  MPIcheckPoint();
297 <  
298 <  
299 < #endif // is_mpi
300 <  
487 >        if( i < n_cells ){
488  
489 <  // create the atom and short range interaction arrays
489 >          if( j < n_cells ){
490 >            start_ndx = n_cells;
491 >          }
492 >          else start_ndx = 0;
493 >        }
494 >        else start_ndx = 0;
495  
496 <  Atom::createArrays(simnfo->n_atoms);
305 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
496 >        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
497  
498 +          makeElement( i * cellx,
499 +                       j * celly,
500 +                       k * cellz );
501 +          done = ( current_mol >= tot_nmol );
502  
503 <  if( simnfo->n_SRI ){
504 <    Exclude::createArray(simnfo->n_SRI);
505 <    the_excludes = new Exclude*[simnfo->n_SRI];
506 <    simnfo->globalExcludes = new int;
507 <    simnfo->n_exclude = tot_SRI;
508 <  }
315 <  else{
316 <    
317 <    Exclude::createArray( 1 );
318 <    the_excludes = new Exclude*;
319 <    the_excludes[0] = new Exclude(0);
320 <    the_excludes[0]->setPair( 0,0 );
321 <    simnfo->globalExcludes = new int;
322 <    simnfo->globalExcludes[0] = 0;
323 <    simnfo->n_exclude = 0;
324 <  }
503 >          if( !done && n_per_extra > 1 ){
504 >            makeElement( i * cellx + 0.5 * cellx,
505 >                         j * celly + 0.5 * celly,
506 >                         k * cellz );
507 >            done = ( current_mol >= tot_nmol );
508 >          }
509  
510 <  // set the arrays into the SimInfo object
510 >          if( !done && n_per_extra > 2){
511 >            makeElement( i * cellx,
512 >                         j * celly + 0.5 * celly,
513 >                         k * cellz + 0.5 * cellz );
514 >            done = ( current_mol >= tot_nmol );
515 >          }
516  
517 <  simnfo->atoms = the_atoms;
518 <  simnfo->sr_interactions = the_sris;
519 <  simnfo->nGlobalExcludes = 0;
520 <  simnfo->excludes = the_excludes;
517 >          if( !done && n_per_extra > 3){
518 >            makeElement( i * cellx + 0.5 * cellx,
519 >                         j * celly,
520 >                         k * cellz + 0.5 * cellz );
521 >            done = ( current_mol >= tot_nmol );
522 >          }
523 >        }
524 >      }
525 >    }
526 >  }
527  
528 +  for( i=0; i<info[0].n_atoms; i++ ){
529 +    info[0].atoms[i]->setVel( vel );
530 +  }
531 + }
532  
533 <  // get some of the tricky things that may still be in the globals
533 > void SimSetup::makeElement( double x, double y, double z ){
534  
535 <  
536 <  if( the_globals->haveBox() ){
537 <    simnfo->box_x = the_globals->getBox();
538 <    simnfo->box_y = the_globals->getBox();
539 <    simnfo->box_z = the_globals->getBox();
341 <  }
342 <  else if( the_globals->haveDensity() ){
535 >  int k;
536 >  AtomStamp* current_atom;
537 >  DirectionalAtom* dAtom;
538 >  double rotMat[3][3];
539 >  double pos[3];
540  
541 <    double vol;
345 <    vol = (double)tot_nmol / the_globals->getDensity();
346 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
347 <    simnfo->box_y = simnfo->box_x;
348 <    simnfo->box_z = simnfo->box_x;
349 <  }
350 <  else{
351 <    if( !the_globals->haveBoxX() ){
352 <      sprintf( painCave.errMsg,
353 <               "SimSetup error, no periodic BoxX size given.\n" );
354 <      painCave.isFatal = 1;
355 <      simError();
356 <    }
357 <    simnfo->box_x = the_globals->getBoxX();
541 >  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
542  
543 <    if( !the_globals->haveBoxY() ){
543 >    current_atom = comp_stamps[current_comp]->getAtom( k );
544 >    if( !current_atom->havePosition() ){
545        sprintf( painCave.errMsg,
546 <               "SimSetup error, no periodic BoxY size given.\n" );
546 >               "SimSetup:initFromBass error.\n"
547 >               "\tComponent %s, atom %s does not have a position specified.\n"
548 >               "\tThe initialization routine is unable to give a start"
549 >               " position.\n",
550 >               comp_stamps[current_comp]->getID(),
551 >               current_atom->getType() );
552        painCave.isFatal = 1;
553        simError();
554      }
555 <    simnfo->box_y = the_globals->getBoxY();
555 >    
556 >    pos[0] = x + current_atom->getPosX();
557 >    pos[1] = y + current_atom->getPosY();
558 >    pos[2] = z + current_atom->getPosZ();
559 >    
560 >    info[0].atoms[current_atom_ndx]->setPos( pos );
561  
562 <    if( !the_globals->haveBoxZ() ){
368 <      sprintf( painCave.errMsg,
369 <               "SimSetup error, no periodic BoxZ size given.\n" );
370 <      painCave.isFatal = 1;
371 <      simError();
372 <    }
373 <    simnfo->box_z = the_globals->getBoxZ();
374 <  }
562 >    if( info[0].atoms[current_atom_ndx]->isDirectional() ){
563  
564 < #ifdef IS_MPI
377 <  strcpy( checkPointMsg, "Box size set up" );
378 <  MPIcheckPoint();
379 < #endif // is_mpi
564 >      dAtom = (DirectionalAtom *)info[0].atoms[current_atom_ndx];
565  
566 +      rotMat[0][0] = 1.0;
567 +      rotMat[0][1] = 0.0;
568 +      rotMat[0][2] = 0.0;
569  
570 <  // initialize the arrays
570 >      rotMat[1][0] = 0.0;
571 >      rotMat[1][1] = 1.0;
572 >      rotMat[1][2] = 0.0;
573  
574 <  the_ff->setSimInfo( simnfo );
574 >      rotMat[2][0] = 0.0;
575 >      rotMat[2][1] = 0.0;
576 >      rotMat[2][2] = 1.0;
577  
578 <  makeAtoms();
579 <  simnfo->identArray = new int[simnfo->n_atoms];
388 <  for(i=0; i<simnfo->n_atoms; i++){
389 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
390 <  }
391 <  
392 <  if( tot_bonds ){
393 <    makeBonds();
394 <  }
578 >      dAtom->setA( rotMat );
579 >    }
580  
581 <  if( tot_bends ){
397 <    makeBends();
581 >    current_atom_ndx++;
582    }
583  
584 <  if( tot_torsions ){
585 <    makeTorsions();
584 >  current_mol++;
585 >  current_comp_mol++;
586 >
587 >  if( current_comp_mol >= components_nmol[current_comp] ){
588 >
589 >    current_comp_mol = 0;
590 >    current_comp++;
591    }
592 + }
593  
594  
595 <  if (the_globals->getUseRF() ) {
596 <    simnfo->useReactionField = 1;
407 <  
408 <    if( !the_globals->haveECR() ){
409 <      sprintf( painCave.errMsg,
410 <               "SimSetup Warning: using default value of 1/2 the smallest "
411 <               "box length for the electrostaticCutoffRadius.\n"
412 <               "I hope you have a very fast processor!\n");
413 <      painCave.isFatal = 0;
414 <      simError();
415 <      double smallest;
416 <      smallest = simnfo->box_x;
417 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
418 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
419 <      simnfo->ecr = 0.5 * smallest;
420 <    } else {
421 <      simnfo->ecr        = the_globals->getECR();
422 <    }
595 > void SimSetup::gatherInfo( void ){
596 >  int i,j,k;
597  
598 <    if( !the_globals->haveEST() ){
599 <      sprintf( painCave.errMsg,
426 <               "SimSetup Warning: using default value of 0.05 * the "
427 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
428 <               );
429 <      painCave.isFatal = 0;
430 <      simError();
431 <      simnfo->est = 0.05 * simnfo->ecr;
432 <    } else {
433 <      simnfo->est        = the_globals->getEST();
434 <    }
435 <    
436 <    if(!the_globals->haveDielectric() ){
437 <      sprintf( painCave.errMsg,
438 <               "SimSetup Error: You are trying to use Reaction Field without"
439 <               "setting a dielectric constant!\n"
440 <               );
441 <      painCave.isFatal = 1;
442 <      simError();
443 <    }
444 <    simnfo->dielectric = the_globals->getDielectric();  
445 <  } else {
446 <    if (simnfo->n_dipoles) {
447 <      
448 <      if( !the_globals->haveECR() ){
449 <        sprintf( painCave.errMsg,
450 <                 "SimSetup Warning: using default value of 1/2 the smallest"
451 <                 "box length for the electrostaticCutoffRadius.\n"
452 <                 "I hope you have a very fast processor!\n");
453 <        painCave.isFatal = 0;
454 <        simError();
455 <        double smallest;
456 <        smallest = simnfo->box_x;
457 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
458 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
459 <        simnfo->ecr = 0.5 * smallest;
460 <      } else {
461 <        simnfo->ecr        = the_globals->getECR();
462 <      }
463 <      
464 <      if( !the_globals->haveEST() ){
465 <        sprintf( painCave.errMsg,
466 <                 "SimSetup Warning: using default value of 5% of the"
467 <                 "electrostaticCutoffRadius for the "
468 <                 "electrostaticSkinThickness\n"
469 <                 );
470 <        painCave.isFatal = 0;
471 <        simError();
472 <        simnfo->est = 0.05 * simnfo->ecr;
473 <      } else {
474 <        simnfo->est        = the_globals->getEST();
475 <      }
476 <    }
477 <  }  
598 >  ensembleCase = -1;
599 >  ffCase = -1;
600  
601 < #ifdef IS_MPI
480 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
481 <  MPIcheckPoint();
482 < #endif // is_mpi
601 >  // set the easy ones first
602  
603 < if( the_globals->haveInitialConfig() ){
604 <
605 <     InitializeFromFile* fileInit;
606 < #ifdef IS_MPI // is_mpi
607 <     if( worldRank == 0 ){
608 < #endif //is_mpi
490 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
491 < #ifdef IS_MPI
492 <     }else fileInit = new InitializeFromFile( NULL );
493 < #endif
494 <   fileInit->read_xyz( simnfo ); // default velocities on
603 >  for( i=0; i<nInfo; i++){
604 >    info[i].target_temp = globals->getTargetTemp();
605 >    info[i].dt = globals->getDt();
606 >    info[i].run_time = globals->getRunTime();
607 >  }
608 >  n_components = globals->getNComponents();
609  
496   delete fileInit;
497 }
498 else{
610  
611 < #ifdef IS_MPI
611 >  // get the forceField
612  
613 <  // no init from bass
503 <  
504 <  sprintf( painCave.errMsg,
505 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
506 <  painCave.isFatal;
507 <  simError();
508 <  
509 < #else
613 >  strcpy( force_field, globals->getForceField() );
614  
615 <  initFromBass();
615 >  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
616 >  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
617 >  else if( !strcasecmp( force_field, "EAM" )) ffCase = FF_EAM;
618 >  else{
619 >    sprintf( painCave.errMsg,
620 >             "SimSetup Error. Unrecognized force field -> %s\n",
621 >             force_field );
622 >    painCave.isFatal = 1;
623 >    simError();
624 >  }
625  
626 +  // get the ensemble
627  
628 < #endif
515 < }
628 >  strcpy( ensemble, globals->getEnsemble() );
629  
630 < #ifdef IS_MPI
631 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
632 <  MPIcheckPoint();
633 < #endif // is_mpi
634 <
635 <
636 <  
637 <
630 >  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
631 >  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
632 >  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
633 >    ensembleCase = NPTi_ENS;
634 >  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
635 >  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
636 >  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
637 >  else{
638 >    sprintf( painCave.errMsg,
639 >             "SimSetup Warning. Unrecognized Ensemble -> %s, "
640 >             "reverting to NVE for this simulation.\n",
641 >             ensemble );
642 >    painCave.isFatal = 0;
643 >    simError();
644 >    strcpy( ensemble, "NVE" );
645 >    ensembleCase = NVE_ENS;
646 >  }  
647    
648 <
527 <  
528 < #ifdef IS_MPI
529 <  if( worldRank == 0 ){
530 < #endif // is_mpi
648 >  for(i=0; i<nInfo; i++){
649      
650 <    if( the_globals->haveFinalConfig() ){
533 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
534 <    }
535 <    else{
536 <      strcpy( simnfo->finalName, inFileName );
537 <      char* endTest;
538 <      int nameLength = strlen( simnfo->finalName );
539 <      endTest = &(simnfo->finalName[nameLength - 5]);
540 <      if( !strcmp( endTest, ".bass" ) ){
541 <        strcpy( endTest, ".eor" );
542 <      }
543 <      else if( !strcmp( endTest, ".BASS" ) ){
544 <        strcpy( endTest, ".eor" );
545 <      }
546 <      else{
547 <        endTest = &(simnfo->finalName[nameLength - 4]);
548 <        if( !strcmp( endTest, ".bss" ) ){
549 <          strcpy( endTest, ".eor" );
550 <        }
551 <        else if( !strcmp( endTest, ".mdl" ) ){
552 <          strcpy( endTest, ".eor" );
553 <        }
554 <        else{
555 <          strcat( simnfo->finalName, ".eor" );
556 <        }
557 <      }
558 <    }
559 <    
560 <    // make the sample and status out names
561 <    
562 <    strcpy( simnfo->sampleName, inFileName );
563 <    char* endTest;
564 <    int nameLength = strlen( simnfo->sampleName );
565 <    endTest = &(simnfo->sampleName[nameLength - 5]);
566 <    if( !strcmp( endTest, ".bass" ) ){
567 <      strcpy( endTest, ".dump" );
568 <    }
569 <    else if( !strcmp( endTest, ".BASS" ) ){
570 <      strcpy( endTest, ".dump" );
571 <    }
572 <    else{
573 <      endTest = &(simnfo->sampleName[nameLength - 4]);
574 <      if( !strcmp( endTest, ".bss" ) ){
575 <        strcpy( endTest, ".dump" );
576 <      }
577 <      else if( !strcmp( endTest, ".mdl" ) ){
578 <        strcpy( endTest, ".dump" );
579 <      }
580 <      else{
581 <        strcat( simnfo->sampleName, ".dump" );
582 <      }
583 <    }
584 <    
585 <    strcpy( simnfo->statusName, inFileName );
586 <    nameLength = strlen( simnfo->statusName );
587 <    endTest = &(simnfo->statusName[nameLength - 5]);
588 <    if( !strcmp( endTest, ".bass" ) ){
589 <      strcpy( endTest, ".stat" );
590 <    }
591 <    else if( !strcmp( endTest, ".BASS" ) ){
592 <      strcpy( endTest, ".stat" );
593 <    }
594 <    else{
595 <      endTest = &(simnfo->statusName[nameLength - 4]);
596 <      if( !strcmp( endTest, ".bss" ) ){
597 <        strcpy( endTest, ".stat" );
598 <      }
599 <      else if( !strcmp( endTest, ".mdl" ) ){
600 <        strcpy( endTest, ".stat" );
601 <      }
602 <      else{
603 <        strcat( simnfo->statusName, ".stat" );
604 <      }
605 <    }
606 <    
607 < #ifdef IS_MPI
608 <  }
609 < #endif // is_mpi
610 <  
611 <  // set the status, sample, and themal kick times
612 <  
613 <  if( the_globals->haveSampleTime() ){
614 <    simnfo->sampleTime = the_globals->getSampleTime();
615 <    simnfo->statusTime = simnfo->sampleTime;
616 <    simnfo->thermalTime = simnfo->sampleTime;
617 <  }
618 <  else{
619 <    simnfo->sampleTime = the_globals->getRunTime();
620 <    simnfo->statusTime = simnfo->sampleTime;
621 <    simnfo->thermalTime = simnfo->sampleTime;
622 <  }
650 >    strcpy( info[i].ensemble, ensemble );
651  
652 <  if( the_globals->haveStatusTime() ){
625 <    simnfo->statusTime = the_globals->getStatusTime();
626 <  }
652 >    // get the mixing rule
653  
654 <  if( the_globals->haveThermalTime() ){
655 <    simnfo->thermalTime = the_globals->getThermalTime();
654 >    strcpy( info[i].mixingRule, globals->getMixingRule() );
655 >    info[i].usePBC = globals->getPBC();
656    }
657 +  
658 +  // get the components and calculate the tot_nMol and indvidual n_mol
659 +
660 +  the_components = globals->getComponents();
661 +  components_nmol = new int[n_components];
662  
632  // check for the temperature set flag
663  
664 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
664 >  if( !globals->haveNMol() ){
665 >    // we don't have the total number of molecules, so we assume it is
666 >    // given in each component
667  
668 +    tot_nmol = 0;
669 +    for( i=0; i<n_components; i++ ){
670  
671 < //   // make the longe range forces and the integrator
671 >      if( !the_components[i]->haveNMol() ){
672 >        // we have a problem
673 >        sprintf( painCave.errMsg,
674 >                 "SimSetup Error. No global NMol or component NMol"
675 >                 " given. Cannot calculate the number of atoms.\n" );
676 >        painCave.isFatal = 1;
677 >        simError();
678 >      }
679  
680 < //   new AllLong( simnfo );
681 <
682 <  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
642 <  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
643 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
644 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
645 <
646 <
647 <
648 <  // initialize the Fortran
649 <  
650 <  simnfo->refreshSim();
651 <  
652 <  if( !strcmp( simnfo->mixingRule, "standard") ){
653 <    the_ff->initForceField( LB_MIXING_RULE );
680 >      tot_nmol += the_components[i]->getNMol();
681 >      components_nmol[i] = the_components[i]->getNMol();
682 >    }
683    }
655  else if( !strcmp( simnfo->mixingRule, "explicit") ){
656    the_ff->initForceField( EXPLICIT_MIXING_RULE );
657  }
684    else{
685      sprintf( painCave.errMsg,
686 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
687 <             simnfo->mixingRule );
686 >             "SimSetup error.\n"
687 >             "\tSorry, the ability to specify total"
688 >             " nMols and then give molfractions in the components\n"
689 >             "\tis not currently supported."
690 >             " Please give nMol in the components.\n" );
691      painCave.isFatal = 1;
692      simError();
693    }
694  
695 +  // set the status, sample, and thermal kick times
696 +  
697 +  for(i=0; i<nInfo; i++){
698  
699 < #ifdef IS_MPI
700 <  strcpy( checkPointMsg,
701 <          "Successfully intialized the mixingRule for Fortran." );
702 <  MPIcheckPoint();
703 < #endif // is_mpi
704 < }
705 <
706 <
707 < void SimSetup::makeMolecules( void ){
708 <
677 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
678 <  molInit info;
679 <  DirectionalAtom* dAtom;
680 <  LinkedAssign* extras;
681 <  LinkedAssign* current_extra;
682 <  AtomStamp* currentAtom;
683 <  BondStamp* currentBond;
684 <  BendStamp* currentBend;
685 <  TorsionStamp* currentTorsion;
686 <  
687 <  //init the forceField paramters
688 <
689 <  the_ff->readParams();
690 <
691 <  
692 <  // init the molecules
693 <
694 <  atomOffset = 0;
695 <  excludeOffset = 0;
696 <  for(i=0; i<simnfo->n_mol; i++){
699 >    if( globals->haveSampleTime() ){
700 >      info[i].sampleTime = globals->getSampleTime();
701 >      info[i].statusTime = info[i].sampleTime;
702 >      info[i].thermalTime = info[i].sampleTime;
703 >    }
704 >    else{
705 >      info[i].sampleTime = globals->getRunTime();
706 >      info[i].statusTime = info[i].sampleTime;
707 >      info[i].thermalTime = info[i].sampleTime;
708 >    }
709      
710 <    stampID = the_molecules[i].getStampID();
710 >    if( globals->haveStatusTime() ){
711 >      info[i].statusTime = globals->getStatusTime();
712 >    }
713 >    
714 >    if( globals->haveThermalTime() ){
715 >      info[i].thermalTime = globals->getThermalTime();
716 >    }
717  
718 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
701 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
702 <    info.nBends    = comp_stamps[stampID]->getNBends();
703 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
704 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
718 >    // check for the temperature set flag
719  
720 <    info.myAtoms = &the_atoms[atomOffset];
707 <    info.myExcludes = &the_excludes[excludeOffset];
708 <    info.myBonds = new Bond*[info.nBonds];
709 <    info.myBends = new Bend*[info.nBends];
710 <    info.myTorsions = new Torsions*[info.nTorsions];
711 <
712 <    theBonds = new bond_pair[info.nBonds];
713 <    theBends = new bend_set[info.nBends];
714 <    theTorsions = new torsion_set[info.nTorsions];
720 >    if( globals->haveTempSet() ) info[i].setTemp = globals->getTempSet();
721      
722 <    // make the Atoms
722 >    // get some of the tricky things that may still be in the globals
723      
724 <    for(j=0; j<info.nAtoms; j++){
724 >    double boxVector[3];
725 >    if( globals->haveBox() ){
726 >      boxVector[0] = globals->getBox();
727 >      boxVector[1] = globals->getBox();
728 >      boxVector[2] = globals->getBox();
729        
730 <      currentAtom = theComponents[stampID]->getAtom( j );
731 <      if( currentAtom->haveOrientation() ){
732 <        
733 <        dAtom = new DirectionalAtom(j + atomOffset);
734 <        simnfo->n_oriented++;
735 <        info.myAtoms[j] = dAtom;
736 <        
737 <        ux = currentAtom->getOrntX();
738 <        uy = currentAtom->getOrntY();
739 <        uz = currentAtom->getOrntZ();
740 <        
741 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
742 <        
743 <        u = sqrt( uSqr );
744 <        ux = ux / u;
745 <        uy = uy / u;
746 <        uz = uz / u;
747 <        
738 <        dAtom->setSUx( ux );
739 <        dAtom->setSUy( uy );
740 <        dAtom->setSUz( uz );
730 >      info[i].setBox( boxVector );
731 >    }
732 >    else if( globals->haveDensity() ){
733 >      
734 >      double vol;
735 >      vol = (double)tot_nmol / globals->getDensity();
736 >      boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
737 >      boxVector[1] = boxVector[0];
738 >      boxVector[2] = boxVector[0];
739 >      
740 >      info[i].setBox( boxVector );
741 >  }
742 >    else{
743 >      if( !globals->haveBoxX() ){
744 >        sprintf( painCave.errMsg,
745 >                 "SimSetup error, no periodic BoxX size given.\n" );
746 >        painCave.isFatal = 1;
747 >        simError();
748        }
749 <      else{
750 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
749 >      boxVector[0] = globals->getBoxX();
750 >      
751 >      if( !globals->haveBoxY() ){
752 >        sprintf( painCave.errMsg,
753 >                 "SimSetup error, no periodic BoxY size given.\n" );
754 >        painCave.isFatal = 1;
755 >        simError();
756        }
757 <      info.myAtoms[j]->setType( currentAtom->getType() );
746 <    
747 < #ifdef IS_MPI
757 >      boxVector[1] = globals->getBoxY();
758        
759 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
759 >      if( !globals->haveBoxZ() ){
760 >        sprintf( painCave.errMsg,
761 >                 "SimSetup error, no periodic BoxZ size given.\n" );
762 >        painCave.isFatal = 1;
763 >        simError();
764 >      }
765 >      boxVector[2] = globals->getBoxZ();
766        
767 < #endif // is_mpi
768 <    }
767 >      info[i].setBox( boxVector );
768 >    }
769 >
770 >  }
771      
772 <    // make the bonds
773 <    for(j=0; j<info.nBonds; j++){
774 <      
775 <      currentBond = comp_stamps[stampID]->getBond( j );
758 <      theBonds[j].a = currentBond->getA() + atomOffset;
759 <      theBonds[j].b = currentBond->getB() + atomOffset;
772 > #ifdef IS_MPI
773 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
774 >  MPIcheckPoint();
775 > #endif // is_mpi
776  
777 <      exI = theBonds[i].a;
762 <      exJ = theBonds[i].b;
777 > }
778  
779 <      // exclude_I must always be the smaller of the pair
780 <      if( exI > exJ ){
781 <        tempEx = exI;
782 <        exI = exJ;
783 <        exJ = tempEx;
784 <      }
779 >
780 > void SimSetup::finalInfoCheck( void ){
781 >  int index;
782 >  int usesDipoles;
783 >  int i;
784 >
785 >  for(i=0; i<nInfo; i++){
786 >    // check electrostatic parameters
787 >    
788 >    index = 0;
789 >    usesDipoles = 0;
790 >    while( (index < info[i].n_atoms) && !usesDipoles ){
791 >      usesDipoles = (info[i].atoms[index])->hasDipole();
792 >      index++;
793 >    }
794 >    
795   #ifdef IS_MPI
796 <      tempEx = exI;
797 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
798 <      tempEx = exJ;
799 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
796 >    int myUse = usesDipoles;
797 >    MPI_Allreduce( &myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD );
798 > #endif //is_mpi
799 >    
800 >    double theEcr, theEst;
801 >  
802 >    if (globals->getUseRF() ) {
803 >      info[i].useReactionField = 1;
804        
805 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
806 < #else  // isn't MPI
807 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
808 < #endif  //is_mpi
809 <    }
810 <    excludeOffset += info.nBonds;
811 <
812 <    //make the bends
813 <    for(j=0; j<info.nBends; j++){
814 <      
815 <      currentBend = comp_stamps[stampID]->getBend( j );
816 <      theBends[j].a = currentBend->getA() + atomOffset;
817 <      theBends[j].b = currentBend->getB() + atomOffset;
818 <      theBends[j].c = currentBend->getC() + atomOffset;
790 <          
791 <      if( currentBend->haveExtras() ){
792 <            
793 <        extras = current_bend->getExtras();
794 <        current_extra = extras;
795 <            
796 <        while( current_extra != NULL ){
797 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
798 <                
799 <            switch( current_extra->getType() ){
800 <              
801 <            case 0:
802 <              theBends[j].ghost =
803 <                current_extra->getInt() + atomOffset;
804 <              theBends[j].isGhost = 1;
805 <              break;
806 <                  
807 <            case 1:
808 <              theBends[j].ghost =
809 <                (int)current_extra->getDouble() + atomOffset;
810 <              theBends[j].isGhost = 1;
811 <              break;
812 <              
813 <            default:
814 <              sprintf( painCave.errMsg,
815 <                       "SimSetup Error: ghostVectorSource was neiter a "
816 <                       "double nor an int.\n"
817 <                       "-->Bend[%d] in %s\n",
818 <                       j, comp_stamps[stampID]->getID() );
819 <              painCave.isFatal = 1;
820 <              simError();
821 <            }
822 <          }
823 <          
824 <          else{
825 <            
826 <            sprintf( painCave.errMsg,
827 <                     "SimSetup Error: unhandled bend assignment:\n"
828 <                     "    -->%s in Bend[%d] in %s\n",
829 <                     current_extra->getlhs(),
830 <                     j, comp_stamps[stampID]->getID() );
831 <            painCave.isFatal = 1;
832 <            simError();
833 <          }
834 <          
835 <          current_extra = current_extra->getNext();
836 <        }
805 >      if( !globals->haveECR() ){
806 >        sprintf( painCave.errMsg,
807 >                 "SimSetup Warning: using default value of 1/2 the smallest "
808 >                 "box length for the electrostaticCutoffRadius.\n"
809 >                 "I hope you have a very fast processor!\n");
810 >        painCave.isFatal = 0;
811 >        simError();
812 >        double smallest;
813 >        smallest = info[i].boxL[0];
814 >        if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
815 >        if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
816 >        theEcr = 0.5 * smallest;
817 >      } else {
818 >        theEcr = globals->getECR();
819        }
838          
839      if( !theBends[j].isGhost ){
840            
841        exI = theBends[j].a;
842        exJ = theBends[j].c;
843      }
844      else{
845        
846        exI = theBends[j].a;
847        exJ = theBends[j].b;
848      }
820        
821 <      // exclude_I must always be the smaller of the pair
822 <      if( exI > exJ ){
823 <        tempEx = exI;
824 <        exI = exJ;
825 <        exJ = tempEx;
821 >      if( !globals->haveEST() ){
822 >        sprintf( painCave.errMsg,
823 >                 "SimSetup Warning: using default value of 0.05 * the "
824 >                 "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
825 >                 );
826 >        painCave.isFatal = 0;
827 >        simError();
828 >        theEst = 0.05 * theEcr;
829 >      } else {
830 >        theEst= globals->getEST();
831        }
856 #ifdef IS_MPI
857      tempEx = exI;
858      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
859      tempEx = exJ;
860      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
832        
833 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
863 < #else  // isn't MPI
864 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
865 < #endif  //is_mpi
866 <    }
867 <    excludeOffset += info.nBends;
868 <
869 <    for(j=0; j<info.nTorsions; j++){
833 >      info[i].setEcr( theEcr, theEst );
834        
835 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
836 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
837 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
838 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
839 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
840 <      
841 <      exI = theTorsions[j].a;
878 <      exJ = theTorsions[j].d;
879 <
880 <      // exclude_I must always be the smaller of the pair
881 <      if( exI > exJ ){
882 <        tempEx = exI;
883 <        exI = exJ;
884 <        exJ = tempEx;
835 >      if(!globals->haveDielectric() ){
836 >        sprintf( painCave.errMsg,
837 >                 "SimSetup Error: You are trying to use Reaction Field without"
838 >                 "setting a dielectric constant!\n"
839 >                 );
840 >        painCave.isFatal = 1;
841 >        simError();
842        }
843 +      info[i].dielectric = globals->getDielectric();  
844 +    }
845 +    else {
846 +      if (usesDipoles) {
847 +        
848 +        if( !globals->haveECR() ){
849 +          sprintf( painCave.errMsg,
850 +                   "SimSetup Warning: using default value of 1/2 the smallest "
851 +                   "box length for the electrostaticCutoffRadius.\n"
852 +                   "I hope you have a very fast processor!\n");
853 +          painCave.isFatal = 0;
854 +          simError();
855 +          double smallest;
856 +          smallest = info[i].boxL[0];
857 +          if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
858 +          if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
859 +          theEcr = 0.5 * smallest;
860 +        } else {
861 +          theEcr = globals->getECR();
862 +        }
863 +        
864 +        if( !globals->haveEST() ){
865 +          sprintf( painCave.errMsg,
866 +                   "SimSetup Warning: using default value of 0.05 * the "
867 +                   "electrostaticCutoffRadius for the "
868 +                   "electrostaticSkinThickness\n"
869 +                   );
870 +          painCave.isFatal = 0;
871 +          simError();
872 +          theEst = 0.05 * theEcr;
873 +        } else {
874 +          theEst= globals->getEST();
875 +        }
876 +        
877 +        info[i].setEcr( theEcr, theEst );
878 +      }
879 +    }  
880 +  }
881 +
882   #ifdef IS_MPI
883 <      tempEx = exI;
884 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
885 <      tempEx = exJ;
890 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
891 <      
892 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
893 < #else  // isn't MPI
894 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
895 < #endif  //is_mpi
896 <    }
897 <    excludeOffset += info.nTorsions;
883 >  strcpy( checkPointMsg, "post processing checks out" );
884 >  MPIcheckPoint();
885 > #endif // is_mpi
886  
887 <    
887 > }
888  
889 + void SimSetup::initSystemCoords( void ){
890 +  int i;
891 +  
892 +  char* inName;
893  
894  
895 +  (info[0].getConfiguration())->createArrays( info[0].n_atoms );
896 +  
897 +  for(i=0; i<info[0].n_atoms; i++) info[0].atoms[i]->setCoords();
898 +  
899 +  if( globals->haveInitialConfig() ){
900 +    
901 +    InitializeFromFile* fileInit;
902 + #ifdef IS_MPI // is_mpi
903 +    if( worldRank == 0 ){
904 + #endif //is_mpi
905 +      inName = globals->getInitialConfig();
906 +      double* tempDouble = new double[1000000];
907 +      fileInit = new InitializeFromFile( inName );
908 + #ifdef IS_MPI
909 +    }else fileInit = new InitializeFromFile( NULL );
910 + #endif
911 +    fileInit->readInit( info ); // default velocities on
912 +    
913 +    delete fileInit;
914 +  }
915 +  else{
916 +    
917 + #ifdef IS_MPI
918 +    
919 +    // no init from bass
920 +    
921 +    sprintf( painCave.errMsg,
922 +             "Cannot intialize a parallel simulation without an initial configuration file.\n" );
923 +    painCave.isFatal;
924 +    simError();
925 +    
926 + #else
927 +    
928 +    initFromBass();
929 +    
930 +    
931 + #endif
932 +  }
933 +  
934 + #ifdef IS_MPI
935 +  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
936 +  MPIcheckPoint();
937 + #endif // is_mpi
938 +  
939 + }
940  
941  
942 + void SimSetup::makeOutNames( void ){
943 +  
944 +  int k;
945  
946 < void SimSetup::makeAtoms( void ){
946 >  
947 >  for(k=0; k<nInfo; k++){
948  
908  int i, j, k, index;
909  double ux, uy, uz, uSqr, u;
910  AtomStamp* current_atom;
911
912  DirectionalAtom* dAtom;
913  int molIndex, molStart, molEnd, nMemb, lMolIndex;
914
915  lMolIndex = 0;
916  molIndex = 0;
917  index = 0;
918  for( i=0; i<n_components; i++ ){
919
920    for( j=0; j<components_nmol[i]; j++ ){
921
949   #ifdef IS_MPI
950 <      if( mpiSim->getMyMolStart() <= molIndex &&
951 <          molIndex <= mpiSim->getMyMolEnd() ){
952 < #endif // is_mpi        
953 <
954 <        molStart = index;
955 <        nMemb = comp_stamps[i]->getNAtoms();
956 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
957 <          
958 <          current_atom = comp_stamps[i]->getAtom( k );
959 <          if( current_atom->haveOrientation() ){
960 <            
961 <            dAtom = new DirectionalAtom(index);
962 <            simnfo->n_oriented++;
963 <            the_atoms[index] = dAtom;
964 <            
965 <            ux = current_atom->getOrntX();
966 <            uy = current_atom->getOrntY();
967 <            uz = current_atom->getOrntZ();
968 <            
969 <            uSqr = (ux * ux) + (uy * uy) + (uz * uz);
970 <            
944 <            u = sqrt( uSqr );
945 <            ux = ux / u;
946 <            uy = uy / u;
947 <            uz = uz / u;
948 <            
949 <            dAtom->setSUx( ux );
950 <            dAtom->setSUy( uy );
951 <            dAtom->setSUz( uz );
950 >    if( worldRank == 0 ){
951 > #endif // is_mpi
952 >      
953 >      if( globals->haveFinalConfig() ){
954 >        strcpy( info[k].finalName, globals->getFinalConfig() );
955 >      }
956 >      else{
957 >        strcpy( info[k].finalName, inFileName );
958 >        char* endTest;
959 >        int nameLength = strlen( info[k].finalName );
960 >        endTest = &(info[k].finalName[nameLength - 5]);
961 >        if( !strcmp( endTest, ".bass" ) ){
962 >          strcpy( endTest, ".eor" );
963 >        }
964 >        else if( !strcmp( endTest, ".BASS" ) ){
965 >          strcpy( endTest, ".eor" );
966 >        }
967 >        else{
968 >          endTest = &(info[k].finalName[nameLength - 4]);
969 >          if( !strcmp( endTest, ".bss" ) ){
970 >            strcpy( endTest, ".eor" );
971            }
972 +          else if( !strcmp( endTest, ".mdl" ) ){
973 +            strcpy( endTest, ".eor" );
974 +          }
975            else{
976 <            the_atoms[index] = new GeneralAtom(index);
976 >            strcat( info[k].finalName, ".eor" );
977            }
956          the_atoms[index]->setType( current_atom->getType() );
957          the_atoms[index]->setIndex( index );
958          
959          // increment the index and repeat;
960          index++;
978          }
962        
963        molEnd = index -1;
964        the_molecules[lMolIndex].setNMembers( nMemb );
965        the_molecules[lMolIndex].setStartAtom( molStart );
966        the_molecules[lMolIndex].setEndAtom( molEnd );
967        the_molecules[lMolIndex].setStampID( i );
968        lMolIndex++;
969
970 #ifdef IS_MPI
979        }
972 #endif //is_mpi
980        
981 <      molIndex++;
981 >      // make the sample and status out names
982 >      
983 >      strcpy( info[k].sampleName, inFileName );
984 >      char* endTest;
985 >      int nameLength = strlen( info[k].sampleName );
986 >      endTest = &(info[k].sampleName[nameLength - 5]);
987 >      if( !strcmp( endTest, ".bass" ) ){
988 >        strcpy( endTest, ".dump" );
989 >      }
990 >      else if( !strcmp( endTest, ".BASS" ) ){
991 >        strcpy( endTest, ".dump" );
992 >      }
993 >      else{
994 >        endTest = &(info[k].sampleName[nameLength - 4]);
995 >        if( !strcmp( endTest, ".bss" ) ){
996 >          strcpy( endTest, ".dump" );
997 >        }
998 >        else if( !strcmp( endTest, ".mdl" ) ){
999 >          strcpy( endTest, ".dump" );
1000 >        }
1001 >        else{
1002 >          strcat( info[k].sampleName, ".dump" );
1003 >        }
1004 >      }
1005 >      
1006 >      strcpy( info[k].statusName, inFileName );
1007 >      nameLength = strlen( info[k].statusName );
1008 >      endTest = &(info[k].statusName[nameLength - 5]);
1009 >      if( !strcmp( endTest, ".bass" ) ){
1010 >        strcpy( endTest, ".stat" );
1011 >      }
1012 >      else if( !strcmp( endTest, ".BASS" ) ){
1013 >        strcpy( endTest, ".stat" );
1014 >      }
1015 >      else{
1016 >        endTest = &(info[k].statusName[nameLength - 4]);
1017 >        if( !strcmp( endTest, ".bss" ) ){
1018 >          strcpy( endTest, ".stat" );
1019 >        }
1020 >        else if( !strcmp( endTest, ".mdl" ) ){
1021 >          strcpy( endTest, ".stat" );
1022 >        }
1023 >        else{
1024 >          strcat( info[k].statusName, ".stat" );
1025 >        }
1026 >      }
1027 >      
1028 > #ifdef IS_MPI
1029      }
1030 + #endif // is_mpi
1031    }
1032 + }
1033  
978 #ifdef IS_MPI
979    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
980    
981    delete[] globalIndex;
1034  
1035 <    mpiSim->mpiRefresh();
1036 < #endif //IS_MPI
1037 <          
1038 <  the_ff->initializeAtoms();
1039 < }
1035 > void SimSetup::sysObjectsCreation( void ){
1036 >  
1037 >  int i,k;
1038 >  
1039 >  // create the forceField
1040  
1041 < void SimSetup::makeBonds( void ){
1041 >  createFF();
1042  
1043 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
992 <  bond_pair* the_bonds;
993 <  BondStamp* current_bond;
1043 >  // extract componentList
1044  
1045 <  the_bonds = new bond_pair[tot_bonds];
996 <  index = 0;
997 <  offset = 0;
998 <  molIndex = 0;
1045 >  compList();
1046  
1047 <  for( i=0; i<n_components; i++ ){
1047 >  // calc the number of atoms, bond, bends, and torsions
1048  
1049 <    for( j=0; j<components_nmol[i]; j++ ){
1049 >  calcSysValues();
1050  
1051   #ifdef IS_MPI
1052 <      if( mpiSim->getMyMolStart() <= molIndex &&
1053 <          molIndex <= mpiSim->getMyMolEnd() ){
1054 < #endif // is_mpi        
1055 <        
1056 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
1057 <          
1058 <          current_bond = comp_stamps[i]->getBond( k );
1059 <          the_bonds[index].a = current_bond->getA() + offset;
1013 <          the_bonds[index].b = current_bond->getB() + offset;
1052 >  // divide the molecules among the processors
1053 >  
1054 >  mpiMolDivide();
1055 > #endif //is_mpi
1056 >  
1057 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1058 >
1059 >  makeSysArrays();
1060  
1061 <          exI = the_bonds[index].a;
1062 <          exJ = the_bonds[index].b;
1061 >  // make and initialize the molecules (all but atomic coordinates)
1062 >
1063 >  makeMolecules();
1064 >  
1065 >  for(k=0; k<nInfo; k++){
1066 >    info[k].identArray = new int[info[k].n_atoms];
1067 >    for(i=0; i<info[k].n_atoms; i++){
1068 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1069 >    }
1070 >  }
1071 > }
1072  
1018          // exclude_I must always be the smaller of the pair
1019          if( exI > exJ ){
1020            tempEx = exI;
1021            exI = exJ;
1022            exJ = tempEx;
1023          }
1073  
1074 <          
1026 < #ifdef IS_MPI
1074 > void SimSetup::createFF( void ){
1075  
1076 <          the_excludes[index*2] =    
1029 <            the_atoms[exI]->getGlobalIndex() + 1;
1030 <          the_excludes[index*2 + 1] =
1031 <            the_atoms[exJ]->getGlobalIndex() + 1;
1076 >  switch( ffCase ){
1077  
1078 < #else  // isn't MPI
1079 <          
1080 <          the_excludes[index*2] =     exI + 1;
1081 <          the_excludes[index*2 + 1] = exJ + 1;
1082 <          // fortran index from 1 (hence the +1 in the indexing)
1083 < #endif  //is_mpi
1084 <          
1085 <          // increment the index and repeat;
1086 <          index++;
1087 <        }
1088 <        offset += comp_stamps[i]->getNAtoms();
1089 <        
1090 < #ifdef IS_MPI
1091 <      }
1092 < #endif //is_mpi
1093 <      
1094 <      molIndex++;
1050 <    }      
1078 >  case FF_DUFF:
1079 >    the_ff = new DUFF();
1080 >    break;
1081 >
1082 >  case FF_LJ:
1083 >    the_ff = new LJFF();
1084 >    break;
1085 >
1086 >  case FF_EAM:
1087 >    the_ff = new EAM_FF();
1088 >    break;
1089 >
1090 >  default:
1091 >    sprintf( painCave.errMsg,
1092 >             "SimSetup Error. Unrecognized force field in case statement.\n");
1093 >    painCave.isFatal = 1;
1094 >    simError();
1095    }
1096  
1097 <  the_ff->initializeBonds( the_bonds );
1097 > #ifdef IS_MPI
1098 >  strcpy( checkPointMsg, "ForceField creation successful" );
1099 >  MPIcheckPoint();
1100 > #endif // is_mpi
1101 >
1102   }
1103  
1056 void SimSetup::makeBends( void ){
1104  
1105 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
1106 <  bend_set* the_bends;
1107 <  BendStamp* current_bend;
1108 <  LinkedAssign* extras;
1109 <  LinkedAssign* current_extra;
1105 > void SimSetup::compList( void ){
1106 >
1107 >  int i;
1108 >  char* id;
1109 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1110 >  LinkedMolStamp* currentStamp = NULL;
1111 >  comp_stamps = new MoleculeStamp*[n_components];
1112    
1113 +  // make an array of molecule stamps that match the components used.
1114 +  // also extract the used stamps out into a separate linked list
1115 +  
1116 +  for(i=0; i<nInfo; i++){
1117 +    info[i].nComponents = n_components;
1118 +    info[i].componentsNmol = components_nmol;
1119 +    info[i].compStamps = comp_stamps;
1120 +    info[i].headStamp = headStamp;
1121 +  }
1122 +  
1123  
1065  the_bends = new bend_set[tot_bends];
1066  index = 0;
1067  offset = 0;
1068  molIndex = 0;
1124    for( i=0; i<n_components; i++ ){
1125  
1126 <    for( j=0; j<components_nmol[i]; j++ ){
1127 <
1128 < #ifdef IS_MPI
1129 <      if( mpiSim->getMyMolStart() <= molIndex &&
1075 <          molIndex <= mpiSim->getMyMolEnd() ){
1076 < #endif // is_mpi        
1077 <
1078 <        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
1079 <          
1080 <          current_bend = comp_stamps[i]->getBend( k );
1081 <          the_bends[index].a = current_bend->getA() + offset;
1082 <          the_bends[index].b = current_bend->getB() + offset;
1083 <          the_bends[index].c = current_bend->getC() + offset;
1084 <          
1085 <          if( current_bend->haveExtras() ){
1086 <            
1087 <            extras = current_bend->getExtras();
1088 <            current_extra = extras;
1089 <            
1090 <            while( current_extra != NULL ){
1091 <              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
1092 <                
1093 <                switch( current_extra->getType() ){
1094 <                  
1095 <                case 0:
1096 <                  the_bends[index].ghost =
1097 <                    current_extra->getInt() + offset;
1098 <                  the_bends[index].isGhost = 1;
1099 <                  break;
1100 <                  
1101 <                case 1:
1102 <                  the_bends[index].ghost =
1103 <                    (int)current_extra->getDouble() + offset;
1104 <                  the_bends[index].isGhost = 1;
1105 <                  break;
1106 <                  
1107 <                default:
1108 <                  sprintf( painCave.errMsg,
1109 <                           "SimSetup Error: ghostVectorSource was neiter a "
1110 <                           "double nor an int.\n"
1111 <                           "-->Bend[%d] in %s\n",
1112 <                           k, comp_stamps[i]->getID() );
1113 <                  painCave.isFatal = 1;
1114 <                  simError();
1115 <                }
1116 <              }
1117 <              
1118 <              else{
1119 <                
1120 <                sprintf( painCave.errMsg,
1121 <                         "SimSetup Error: unhandled bend assignment:\n"
1122 <                         "    -->%s in Bend[%d] in %s\n",
1123 <                         current_extra->getlhs(),
1124 <                         k, comp_stamps[i]->getID() );
1125 <                painCave.isFatal = 1;
1126 <                simError();
1127 <              }
1128 <              
1129 <              current_extra = current_extra->getNext();
1130 <            }
1131 <          }
1132 <          
1133 <          if( !the_bends[index].isGhost ){
1134 <            
1135 <            exI = the_bends[index].a;
1136 <            exJ = the_bends[index].c;
1137 <          }
1138 <          else{
1139 <            
1140 <            exI = the_bends[index].a;
1141 <            exJ = the_bends[index].b;
1142 <          }
1143 <          
1144 <          // exclude_I must always be the smaller of the pair
1145 <          if( exI > exJ ){
1146 <            tempEx = exI;
1147 <            exI = exJ;
1148 <            exJ = tempEx;
1149 <          }
1150 <
1126 >    id = the_components[i]->getType();
1127 >    comp_stamps[i] = NULL;
1128 >    
1129 >    // check to make sure the component isn't already in the list
1130  
1131 < #ifdef IS_MPI
1132 <
1133 <          the_excludes[(index + tot_bonds)*2] =    
1134 <            the_atoms[exI]->getGlobalIndex() + 1;
1135 <          the_excludes[(index + tot_bonds)*2 + 1] =
1136 <            the_atoms[exJ]->getGlobalIndex() + 1;
1137 <          
1138 < #else  // isn't MPI
1139 <          
1140 <          the_excludes[(index + tot_bonds)*2] =     exI + 1;
1141 <          the_excludes[(index + tot_bonds)*2 + 1] = exJ + 1;
1142 <          // fortran index from 1 (hence the +1 in the indexing)
1143 < #endif  //is_mpi
1165 <          
1166 <          
1167 <          // increment the index and repeat;
1168 <          index++;
1169 <        }
1170 <        offset += comp_stamps[i]->getNAtoms();
1171 <        
1172 < #ifdef IS_MPI
1131 >    comp_stamps[i] = headStamp->match( id );
1132 >    if( comp_stamps[i] == NULL ){
1133 >      
1134 >      // extract the component from the list;
1135 >      
1136 >      currentStamp = stamps->extractMolStamp( id );
1137 >      if( currentStamp == NULL ){
1138 >        sprintf( painCave.errMsg,
1139 >                 "SimSetup error: Component \"%s\" was not found in the "
1140 >                 "list of declared molecules\n",
1141 >                 id );
1142 >        painCave.isFatal = 1;
1143 >        simError();
1144        }
1145 < #endif //is_mpi
1146 <
1147 <      molIndex++;
1145 >      
1146 >      headStamp->add( currentStamp );
1147 >      comp_stamps[i] = headStamp->match( id );
1148      }
1149    }
1150  
1151   #ifdef IS_MPI
1152 <  sprintf( checkPointMsg,
1182 <           "Successfully created the bends list.\n" );
1152 >  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1153    MPIcheckPoint();
1154   #endif // is_mpi
1185  
1155  
1156 <  the_ff->initializeBends( the_bends );
1156 >
1157   }
1158  
1159 < void SimSetup::makeTorsions( void ){
1160 <
1161 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
1162 <  torsion_set* the_torsions;
1163 <  TorsionStamp* current_torsion;
1164 <
1165 <  the_torsions = new torsion_set[tot_torsions];
1166 <  index = 0;
1167 <  offset = 0;
1199 <  molIndex = 0;
1159 > void SimSetup::calcSysValues( void ){
1160 >  int i, j, k;
1161 >  
1162 >  int *molMembershipArray;
1163 >  
1164 >  tot_atoms = 0;
1165 >  tot_bonds = 0;
1166 >  tot_bends = 0;
1167 >  tot_torsions = 0;
1168    for( i=0; i<n_components; i++ ){
1169 +    
1170 +    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
1171 +    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
1172 +    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
1173 +    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1174 +  }
1175 +  
1176 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1177 +  molMembershipArray = new int[tot_atoms];
1178 +  
1179 +  for(i=0; i<nInfo; i++){
1180 +    info[i].n_atoms = tot_atoms;
1181 +    info[i].n_bonds = tot_bonds;
1182 +    info[i].n_bends = tot_bends;
1183 +    info[i].n_torsions = tot_torsions;
1184 +    info[i].n_SRI = tot_SRI;
1185 +    info[i].n_mol = tot_nmol;
1186 +    
1187 +    info[i].molMembershipArray = molMembershipArray;
1188 +  }
1189 + }
1190  
1202    for( j=0; j<components_nmol[i]; j++ ){
1203
1191   #ifdef IS_MPI
1205      if( mpiSim->getMyMolStart() <= molIndex &&
1206          molIndex <= mpiSim->getMyMolEnd() ){
1207 #endif // is_mpi        
1192  
1193 <      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
1193 > void SimSetup::mpiMolDivide( void ){
1194 >  
1195 >  int i, j, k;
1196 >  int localMol, allMol;
1197 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1198  
1199 <        current_torsion = comp_stamps[i]->getTorsion( k );
1200 <        the_torsions[index].a = current_torsion->getA() + offset;
1201 <        the_torsions[index].b = current_torsion->getB() + offset;
1214 <        the_torsions[index].c = current_torsion->getC() + offset;
1215 <        the_torsions[index].d = current_torsion->getD() + offset;
1199 >  mpiSim = new mpiSimulation( info );
1200 >  
1201 >  globalIndex = mpiSim->divideLabor();
1202  
1203 <        exI = the_torsions[index].a;
1204 <        exJ = the_torsions[index].d;
1203 >  // set up the local variables
1204 >  
1205 >  mol2proc = mpiSim->getMolToProcMap();
1206 >  molCompType = mpiSim->getMolComponentType();
1207 >  
1208 >  allMol = 0;
1209 >  localMol = 0;
1210 >  local_atoms = 0;
1211 >  local_bonds = 0;
1212 >  local_bends = 0;
1213 >  local_torsions = 0;
1214 >  globalAtomIndex = 0;
1215  
1220        
1221        // exclude_I must always be the smaller of the pair
1222        if( exI > exJ ){
1223          tempEx = exI;
1224          exI = exJ;
1225          exJ = tempEx;
1226        }
1216  
1217 +  for( i=0; i<n_components; i++ ){
1218  
1219 < #ifdef IS_MPI
1219 >    for( j=0; j<components_nmol[i]; j++ ){
1220 >      
1221 >      if( mol2proc[allMol] == worldRank ){
1222          
1223 <        the_excludes[(index + tot_bonds + tot_bends)*2] =    
1224 <          the_atoms[exI]->getGlobalIndex() + 1;
1225 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] =
1226 <          the_atoms[exJ]->getGlobalIndex() + 1;
1227 <        
1228 < #else  // isn't MPI
1229 <        
1230 <        the_excludes[(index + tot_bonds + tot_bends)*2] =     exI + 1;
1231 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] = exJ + 1;
1240 <        // fortran indexes from 1 (hence the +1 in the indexing)
1241 < #endif  //is_mpi
1242 <        
1243 <
1244 <        // increment the index and repeat;
1245 <        index++;
1223 >        local_atoms +=    comp_stamps[i]->getNAtoms();
1224 >        local_bonds +=    comp_stamps[i]->getNBonds();
1225 >        local_bends +=    comp_stamps[i]->getNBends();
1226 >        local_torsions += comp_stamps[i]->getNTorsions();
1227 >        localMol++;
1228 >      }      
1229 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1230 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1231 >        globalAtomIndex++;
1232        }
1247      offset += comp_stamps[i]->getNAtoms();
1233  
1234 < #ifdef IS_MPI
1250 <      }
1251 < #endif //is_mpi      
1252 <
1253 <      molIndex++;
1234 >      allMol++;      
1235      }
1236    }
1237 +  local_SRI = local_bonds + local_bends + local_torsions;
1238 +  
1239 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1240 +  
1241 +  if( local_atoms != info[0].n_atoms ){
1242 +    sprintf( painCave.errMsg,
1243 +             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1244 +             " localAtom (%d) are not equal.\n",
1245 +             info[0].n_atoms,
1246 +             local_atoms );
1247 +    painCave.isFatal = 1;
1248 +    simError();
1249 +  }
1250  
1251 <  the_ff->initializeTorsions( the_torsions );
1251 >  info[0].n_bonds = local_bonds;
1252 >  info[0].n_bends = local_bends;
1253 >  info[0].n_torsions = local_torsions;
1254 >  info[0].n_SRI = local_SRI;
1255 >  info[0].n_mol = localMol;
1256 >
1257 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1258 >  MPIcheckPoint();
1259   }
1260 +
1261 + #endif // is_mpi
1262  
1260 void SimSetup::initFromBass( void ){
1263  
1264 <  int i, j, k;
1265 <  int n_cells;
1264 <  double cellx, celly, cellz;
1265 <  double temp1, temp2, temp3;
1266 <  int n_per_extra;
1267 <  int n_extra;
1268 <  int have_extra, done;
1264 > void SimSetup::makeSysArrays( void ){
1265 >  int i, j, k, l;
1266  
1267 <  temp1 = (double)tot_nmol / 4.0;
1268 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1269 <  temp3 = ceil( temp2 );
1267 >  Atom** the_atoms;
1268 >  Molecule* the_molecules;
1269 >  Exclude** the_excludes;
1270  
1271 <  have_extra =0;
1272 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1273 <    have_extra =1;
1271 >  
1272 >  for(l=0; l<nInfo; l++){
1273 >    
1274 >    // create the atom and short range interaction arrays
1275 >    
1276 >    the_atoms = new Atom*[info[l].n_atoms];
1277 >    the_molecules = new Molecule[info[l].n_mol];
1278 >    int molIndex;
1279  
1280 <    n_cells = (int)temp3 - 1;
1281 <    cellx = simnfo->box_x / temp3;
1282 <    celly = simnfo->box_y / temp3;
1283 <    cellz = simnfo->box_z / temp3;
1284 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1285 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1286 <    n_per_extra = (int)ceil( temp1 );
1287 <
1288 <    if( n_per_extra > 4){
1289 <      sprintf( painCave.errMsg,
1290 <               "SimSetup error. There has been an error in constructing"
1291 <               " the non-complete lattice.\n" );
1292 <      painCave.isFatal = 1;
1293 <      simError();
1280 >    // initialize the molecule's stampID's
1281 >    
1282 > #ifdef IS_MPI
1283 >    
1284 >    
1285 >    molIndex = 0;
1286 >    for(i=0; i<mpiSim->getTotNmol(); i++){
1287 >    
1288 >      if(mol2proc[i] == worldRank ){
1289 >        the_molecules[molIndex].setStampID( molCompType[i] );
1290 >        the_molecules[molIndex].setMyIndex( molIndex );
1291 >        the_molecules[molIndex].setGlobalIndex( i );
1292 >        molIndex++;
1293 >      }
1294      }
1295 <  }
1296 <  else{
1297 <    n_cells = (int)temp3;
1298 <    cellx = simnfo->box_x / temp3;
1299 <    celly = simnfo->box_y / temp3;
1300 <    cellz = simnfo->box_z / temp3;
1301 <  }
1295 >    
1296 > #else // is_mpi
1297 >    
1298 >    molIndex = 0;
1299 >    globalAtomIndex = 0;
1300 >    for(i=0; i<n_components; i++){
1301 >      for(j=0; j<components_nmol[i]; j++ ){
1302 >        the_molecules[molIndex].setStampID( i );
1303 >        the_molecules[molIndex].setMyIndex( molIndex );
1304 >        the_molecules[molIndex].setGlobalIndex( molIndex );
1305 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1306 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1307 >          globalAtomIndex++;
1308 >        }
1309 >        molIndex++;
1310 >      }
1311 >    }
1312 >    
1313 >    
1314 > #endif // is_mpi
1315  
1301  current_mol = 0;
1302  current_comp_mol = 0;
1303  current_comp = 0;
1304  current_atom_ndx = 0;
1316  
1317 <  for( i=0; i < n_cells ; i++ ){
1318 <    for( j=0; j < n_cells; j++ ){
1319 <      for( k=0; k < n_cells; k++ ){
1320 <
1321 <        makeElement( i * cellx,
1322 <                     j * celly,
1312 <                     k * cellz );
1313 <
1314 <        makeElement( i * cellx + 0.5 * cellx,
1315 <                     j * celly + 0.5 * celly,
1316 <                     k * cellz );
1317 <
1318 <        makeElement( i * cellx,
1319 <                     j * celly + 0.5 * celly,
1320 <                     k * cellz + 0.5 * cellz );
1321 <
1322 <        makeElement( i * cellx + 0.5 * cellx,
1323 <                     j * celly,
1324 <                     k * cellz + 0.5 * cellz );
1317 >    if( info[l].n_SRI ){
1318 >    
1319 >      Exclude::createArray(info[l].n_SRI);
1320 >      the_excludes = new Exclude*[info[l].n_SRI];
1321 >      for( int ex=0; ex<info[l].n_SRI; ex++){
1322 >        the_excludes[ex] = new Exclude(ex);
1323        }
1324 +      info[l].globalExcludes = new int;
1325 +      info[l].n_exclude = info[l].n_SRI;
1326      }
1327 <  }
1327 >    else{
1328 >    
1329 >      Exclude::createArray( 1 );
1330 >      the_excludes = new Exclude*;
1331 >      the_excludes[0] = new Exclude(0);
1332 >      the_excludes[0]->setPair( 0,0 );
1333 >      info[l].globalExcludes = new int;
1334 >      info[l].globalExcludes[0] = 0;
1335 >      info[l].n_exclude = 0;
1336 >    }
1337  
1338 <  if( have_extra ){
1330 <    done = 0;
1338 >    // set the arrays into the SimInfo object
1339  
1340 <    int start_ndx;
1341 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1342 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1340 >    info[l].atoms = the_atoms;
1341 >    info[l].molecules = the_molecules;
1342 >    info[l].nGlobalExcludes = 0;
1343 >    info[l].excludes = the_excludes;
1344  
1345 <        if( i < n_cells ){
1345 >    the_ff->setSimInfo( info );
1346 >    
1347 >  }
1348 > }
1349  
1350 <          if( j < n_cells ){
1339 <            start_ndx = n_cells;
1340 <          }
1341 <          else start_ndx = 0;
1342 <        }
1343 <        else start_ndx = 0;
1350 > void SimSetup::makeIntegrator( void ){
1351  
1352 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1352 >  int k;
1353  
1354 <          makeElement( i * cellx,
1355 <                       j * celly,
1356 <                       k * cellz );
1357 <          done = ( current_mol >= tot_nmol );
1358 <
1359 <          if( !done && n_per_extra > 1 ){
1360 <            makeElement( i * cellx + 0.5 * cellx,
1361 <                         j * celly + 0.5 * celly,
1362 <                         k * cellz );
1363 <            done = ( current_mol >= tot_nmol );
1364 <          }
1365 <
1366 <          if( !done && n_per_extra > 2){
1367 <            makeElement( i * cellx,
1361 <                         j * celly + 0.5 * celly,
1362 <                         k * cellz + 0.5 * cellz );
1363 <            done = ( current_mol >= tot_nmol );
1364 <          }
1365 <
1366 <          if( !done && n_per_extra > 3){
1367 <            makeElement( i * cellx + 0.5 * cellx,
1368 <                         j * celly,
1369 <                         k * cellz + 0.5 * cellz );
1370 <            done = ( current_mol >= tot_nmol );
1371 <          }
1354 >  NVT<RealIntegrator>*  myNVT = NULL;
1355 >  NPTi<RealIntegrator>* myNPTi = NULL;
1356 >  NPTf<RealIntegrator>* myNPTf = NULL;
1357 >  NPTim<RealIntegrator>* myNPTim = NULL;
1358 >  NPTfm<RealIntegrator>* myNPTfm = NULL;
1359 >        
1360 >  for(k=0; k<nInfo; k++){
1361 >    
1362 >    switch( ensembleCase ){
1363 >      
1364 >    case NVE_ENS:
1365 >        if (globals->haveZconstraints()){
1366 >         setupZConstraint(info[k]);
1367 >           new ZConstraint<NVE<RealIntegrator> >( &(info[k]), the_ff );
1368          }
1373      }
1374    }
1375  }
1369  
1370 +        else
1371 +        new NVE<RealIntegrator>( &(info[k]), the_ff );
1372 +      break;
1373 +      
1374 +    case NVT_ENS:
1375 +        if (globals->haveZconstraints()){
1376 +         setupZConstraint(info[k]);
1377 +           myNVT = new ZConstraint<NVT<RealIntegrator> >( &(info[k]), the_ff );
1378 +        }
1379 +        else
1380 +        myNVT = new NVT<RealIntegrator>( &(info[k]), the_ff );
1381  
1382 <  for( i=0; i<simnfo->n_atoms; i++ ){
1383 <    simnfo->atoms[i]->set_vx( 0.0 );
1384 <    simnfo->atoms[i]->set_vy( 0.0 );
1385 <    simnfo->atoms[i]->set_vz( 0.0 );
1386 <  }
1387 < }
1382 >      myNVT->setTargetTemp(globals->getTargetTemp());
1383 >      
1384 >      if (globals->haveTauThermostat())
1385 >        myNVT->setTauThermostat(globals->getTauThermostat());
1386 >      
1387 >      else {
1388 >        sprintf( painCave.errMsg,
1389 >                 "SimSetup error: If you use the NVT\n"
1390 >                 "    ensemble, you must set tauThermostat.\n");
1391 >        painCave.isFatal = 1;
1392 >        simError();
1393 >      }
1394 >      break;
1395 >      
1396 >    case NPTi_ENS:
1397 >        if (globals->haveZconstraints()){
1398 >         setupZConstraint(info[k]);
1399 >           myNPTi = new ZConstraint<NPTi<RealIntegrator> >( &(info[k]), the_ff );
1400 >        }
1401 >        else
1402 >        myNPTi = new NPTi<RealIntegrator>( &(info[k]), the_ff );
1403  
1404 < void SimSetup::makeElement( double x, double y, double z ){
1404 >        myNPTi->setTargetTemp( globals->getTargetTemp() );
1405 >      
1406 >      if (globals->haveTargetPressure())
1407 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1408 >      else {
1409 >        sprintf( painCave.errMsg,
1410 >                 "SimSetup error: If you use a constant pressure\n"
1411 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1412 >        painCave.isFatal = 1;
1413 >        simError();
1414 >      }
1415 >      
1416 >      if( globals->haveTauThermostat() )
1417 >        myNPTi->setTauThermostat( globals->getTauThermostat() );
1418 >      else{
1419 >        sprintf( painCave.errMsg,
1420 >                 "SimSetup error: If you use an NPT\n"
1421 >                 "    ensemble, you must set tauThermostat.\n");
1422 >        painCave.isFatal = 1;
1423 >        simError();
1424 >      }
1425 >      
1426 >      if( globals->haveTauBarostat() )
1427 >        myNPTi->setTauBarostat( globals->getTauBarostat() );
1428 >      else{
1429 >        sprintf( painCave.errMsg,
1430 >                 "SimSetup error: If you use an NPT\n"
1431 >                 "    ensemble, you must set tauBarostat.\n");
1432 >        painCave.isFatal = 1;
1433 >        simError();
1434 >      }
1435 >      break;
1436 >      
1437 >    case NPTf_ENS:
1438 >        if (globals->haveZconstraints()){
1439 >         setupZConstraint(info[k]);
1440 >           myNPTf = new ZConstraint<NPTf<RealIntegrator> >( &(info[k]), the_ff );
1441 >        }
1442 >        else
1443 >        myNPTf = new NPTf<RealIntegrator>( &(info[k]), the_ff );
1444  
1445 <  int k;
1446 <  AtomStamp* current_atom;
1447 <  DirectionalAtom* dAtom;
1448 <  double rotMat[3][3];
1445 >      myNPTf->setTargetTemp( globals->getTargetTemp());
1446 >      
1447 >      if (globals->haveTargetPressure())
1448 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1449 >      else {
1450 >        sprintf( painCave.errMsg,
1451 >                 "SimSetup error: If you use a constant pressure\n"
1452 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1453 >        painCave.isFatal = 1;
1454 >        simError();
1455 >      }    
1456 >      
1457 >      if( globals->haveTauThermostat() )
1458 >        myNPTf->setTauThermostat( globals->getTauThermostat() );
1459 >      else{
1460 >        sprintf( painCave.errMsg,
1461 >                 "SimSetup error: If you use an NPT\n"
1462 >               "    ensemble, you must set tauThermostat.\n");
1463 >        painCave.isFatal = 1;
1464 >        simError();
1465 >      }
1466 >      
1467 >      if( globals->haveTauBarostat() )
1468 >        myNPTf->setTauBarostat( globals->getTauBarostat() );
1469 >      else{
1470 >        sprintf( painCave.errMsg,
1471 >                 "SimSetup error: If you use an NPT\n"
1472 >                 "    ensemble, you must set tauBarostat.\n");
1473 >        painCave.isFatal = 1;
1474 >        simError();
1475 >      }
1476 >      break;
1477 >      
1478 >    case NPTim_ENS:
1479 >        if (globals->haveZconstraints()){
1480 >         setupZConstraint(info[k]);
1481 >           myNPTim = new ZConstraint<NPTim<RealIntegrator> >( &(info[k]), the_ff );
1482 >        }
1483 >        else
1484 >        myNPTim = new NPTim<RealIntegrator>( &(info[k]), the_ff );
1485  
1486 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1486 >        myNPTim->setTargetTemp( globals->getTargetTemp());
1487 >      
1488 >      if (globals->haveTargetPressure())
1489 >        myNPTim->setTargetPressure(globals->getTargetPressure());
1490 >      else {
1491 >        sprintf( painCave.errMsg,
1492 >                 "SimSetup error: If you use a constant pressure\n"
1493 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1494 >        painCave.isFatal = 1;
1495 >        simError();
1496 >      }
1497 >      
1498 >      if( globals->haveTauThermostat() )
1499 >        myNPTim->setTauThermostat( globals->getTauThermostat() );
1500 >      else{
1501 >        sprintf( painCave.errMsg,
1502 >                 "SimSetup error: If you use an NPT\n"
1503 >                 "    ensemble, you must set tauThermostat.\n");
1504 >        painCave.isFatal = 1;
1505 >        simError();
1506 >      }
1507 >      
1508 >      if( globals->haveTauBarostat() )
1509 >        myNPTim->setTauBarostat( globals->getTauBarostat() );
1510 >      else{
1511 >      sprintf( painCave.errMsg,
1512 >               "SimSetup error: If you use an NPT\n"
1513 >               "    ensemble, you must set tauBarostat.\n");
1514 >      painCave.isFatal = 1;
1515 >      simError();
1516 >      }
1517 >      break;
1518 >      
1519 >    case NPTfm_ENS:
1520 >        if (globals->haveZconstraints()){
1521 >         setupZConstraint(info[k]);
1522 >           myNPTfm = new ZConstraint<NPTfm<RealIntegrator> >( &(info[k]), the_ff );
1523 >        }
1524 >        else
1525 >        myNPTfm = new NPTfm<RealIntegrator>( &(info[k]), the_ff );
1526  
1527 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1528 <    if( !current_atom->havePosition() ){
1527 >        myNPTfm->setTargetTemp( globals->getTargetTemp());
1528 >      
1529 >      if (globals->haveTargetPressure())
1530 >        myNPTfm->setTargetPressure(globals->getTargetPressure());
1531 >      else {
1532 >        sprintf( painCave.errMsg,
1533 >                 "SimSetup error: If you use a constant pressure\n"
1534 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1535 >        painCave.isFatal = 1;
1536 >        simError();
1537 >      }
1538 >      
1539 >      if( globals->haveTauThermostat() )
1540 >        myNPTfm->setTauThermostat( globals->getTauThermostat() );
1541 >      else{
1542 >        sprintf( painCave.errMsg,
1543 >                 "SimSetup error: If you use an NPT\n"
1544 >                 "    ensemble, you must set tauThermostat.\n");
1545 >        painCave.isFatal = 1;
1546 >        simError();
1547 >      }
1548 >      
1549 >      if( globals->haveTauBarostat() )
1550 >        myNPTfm->setTauBarostat( globals->getTauBarostat() );
1551 >      else{
1552 >        sprintf( painCave.errMsg,
1553 >                 "SimSetup error: If you use an NPT\n"
1554 >                 "    ensemble, you must set tauBarostat.\n");
1555 >        painCave.isFatal = 1;
1556 >        simError();
1557 >      }
1558 >      break;
1559 >      
1560 >    default:
1561        sprintf( painCave.errMsg,
1562 <               "SimSetup:initFromBass error.\n"
1398 <               "\tComponent %s, atom %s does not have a position specified.\n"
1399 <               "\tThe initialization routine is unable to give a start"
1400 <               " position.\n",
1401 <               comp_stamps[current_comp]->getID(),
1402 <               current_atom->getType() );
1562 >               "SimSetup Error. Unrecognized ensemble in case statement.\n");
1563        painCave.isFatal = 1;
1564        simError();
1565      }
1566 +  }
1567 + }
1568  
1569 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1408 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1409 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1569 > void SimSetup::initFortran( void ){
1570  
1571 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1571 >  info[0].refreshSim();
1572 >  
1573 >  if( !strcmp( info[0].mixingRule, "standard") ){
1574 >    the_ff->initForceField( LB_MIXING_RULE );
1575 >  }
1576 >  else if( !strcmp( info[0].mixingRule, "explicit") ){
1577 >    the_ff->initForceField( EXPLICIT_MIXING_RULE );
1578 >  }
1579 >  else{
1580 >    sprintf( painCave.errMsg,
1581 >             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1582 >             info[0].mixingRule );
1583 >    painCave.isFatal = 1;
1584 >    simError();
1585 >  }
1586  
1413      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1587  
1588 <      rotMat[0][0] = 1.0;
1589 <      rotMat[0][1] = 0.0;
1590 <      rotMat[0][2] = 0.0;
1588 > #ifdef IS_MPI
1589 >  strcpy( checkPointMsg,
1590 >          "Successfully intialized the mixingRule for Fortran." );
1591 >  MPIcheckPoint();
1592 > #endif // is_mpi
1593  
1594 <      rotMat[1][0] = 0.0;
1420 <      rotMat[1][1] = 1.0;
1421 <      rotMat[1][2] = 0.0;
1594 > }
1595  
1596 <      rotMat[2][0] = 0.0;
1597 <      rotMat[2][1] = 0.0;
1598 <      rotMat[2][2] = 1.0;
1599 <
1600 <      dAtom->setA( rotMat );
1596 > void SimSetup::setupZConstraint(SimInfo& theInfo)
1597 > {
1598 >    int nZConstraints;
1599 >    ZconStamp** zconStamp;
1600 >        
1601 >    if(globals->haveZconstraintTime()){  
1602 >      
1603 >      //add sample time of z-constraint  into SimInfo's property list                    
1604 >      DoubleData* zconsTimeProp = new DoubleData();
1605 >      zconsTimeProp->setID(ZCONSTIME_ID);
1606 >      zconsTimeProp->setData(globals->getZconsTime());
1607 >      theInfo.addProperty(zconsTimeProp);
1608      }
1609 +    else{
1610 +      sprintf( painCave.errMsg,
1611 +               "ZConstraint error: If you use an ZConstraint\n"
1612 +               " , you must set sample time.\n");
1613 +      painCave.isFatal = 1;
1614 +      simError();      
1615 +    }
1616  
1617 <    current_atom_ndx++;
1618 <  }
1617 >    //
1618 >    nZConstraints = globals->getNzConstraints();
1619 >    theInfo.nZconstraints = nZConstraints;
1620 >        
1621 >    zconStamp = globals->getZconStamp();
1622 >    ZConsParaItem tempParaItem;
1623  
1624 <  current_mol++;
1625 <  current_comp_mol++;
1624 >    ZConsParaData* zconsParaData = new ZConsParaData();
1625 >    zconsParaData->setID(ZCONSPARADATA_ID);
1626 >  
1627 >    for(int i = 0; i < nZConstraints; i++){
1628 >    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1629 >    tempParaItem.zPos = zconStamp[i]->getZpos();
1630 >    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1631 >    tempParaItem.kRatio = zconStamp[i]->getKratio();
1632  
1633 <  if( current_comp_mol >= components_nmol[current_comp] ){
1633 >    zconsParaData->addItem(tempParaItem);
1634 >    }
1635  
1636 <    current_comp_mol = 0;
1637 <    current_comp++;
1638 <  }
1636 >    //sort the parameters by index of molecules
1637 >    zconsParaData->sortByIndex();
1638 >        
1639 >    //push data into siminfo, therefore, we can retrieve later
1640 >    theInfo.addProperty(zconsParaData);
1641 >
1642 >    //push zconsTol into siminfo, if user does not specify
1643 >    //value for zconsTol, a default value will be used
1644 >    DoubleData* zconsTol = new DoubleData();
1645 >    zconsTol->setID(ZCONSTOL_ID);
1646 >    if(globals->haveZconsTol()){
1647 >      zconsTol->setData(globals->getZconsTol());
1648 >    }
1649 >         else{
1650 >                double defaultZConsTol = 1E-6;
1651 >      sprintf( painCave.errMsg,
1652 >               "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1653 >               " , default value %f is used.\n", defaultZConsTol);
1654 >      painCave.isFatal = 0;
1655 >      simError();      
1656 >
1657 >      zconsTol->setData(defaultZConsTol);
1658 >         }
1659 >    theInfo.addProperty(zconsTol);
1660 >        
1661 >    //Determine the name of ouput file and add it into SimInfo's property list
1662 >    //Be careful, do not use inFileName, since it is a pointer which
1663 >    //point to a string at master node, and slave nodes do not contain that string
1664 >    
1665 >    string zconsOutput(theInfo.finalName);
1666 >    
1667 >    zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1668 >    
1669 >    StringData* zconsFilename = new StringData();
1670 >    zconsFilename->setID(ZCONSFILENAME_ID);
1671 >    zconsFilename->setData(zconsOutput);
1672 >    
1673 >    theInfo.addProperty(zconsFilename);      
1674   }

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