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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 407 by mmeineke, Wed Mar 26 20:22:02 2003 UTC vs.
Revision 660 by tim, Thu Jul 31 19:59:34 2003 UTC

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

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