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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 621 by gezelter, Wed Jul 16 02:11:02 2003 UTC

# Line 12 | Line 12 | SimSetup::SimSetup(){
12   #include "mpiSimulation.hpp"
13   #endif
14  
15 + // some defines for ensemble and Forcefield  cases
16 +
17 + #define NVE_ENS   0
18 + #define NVT_ENS   1
19 + #define NPTi_ENS  2
20 + #define NPTf_ENS  3
21 + #define NPTim_ENS 4
22 + #define NPTfm_ENS 5
23 +
24 +
25 + #define FF_DUFF 0
26 + #define FF_LJ   1
27 +
28 +
29   SimSetup::SimSetup(){
30    stamps = new MakeStamps();
31    globals = new Globals();
# Line 64 | Line 78 | void SimSetup::createSim( void ){
78  
79   void SimSetup::createSim( void ){
80  
81 <  MakeStamps *the_stamps;
82 <  Globals* the_globals;
83 <  int i, j;
81 >  int i, j, k, globalAtomIndex;
82 >  
83 >  // gather all of the information from the Bass file
84 >  
85 >  gatherInfo();
86  
87 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
87 >  // creation of complex system objects
88  
89 <  // 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();
89 >  sysObjectsCreation();
90  
91 <  // get the ones we know are there, yet still may need some work.
92 <  n_components = the_globals->getNComponents();
93 <  strcpy( force_field, the_globals->getForceField() );
83 <  strcpy( ensemble, the_globals->getEnsemble() );
84 <  strcpy( simnfo->ensemble, ensemble );
91 >  // check on the post processing info
92 >  
93 >  finalInfoCheck();
94  
95 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
95 >  // initialize the system coordinates
96  
97 +  initSystemCoords();
98 +  
99  
100 <  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 <  }
100 >  // make the output filenames
101  
102 +  makeOutNames();
103 +  
104 +  // make the integrator
105 +  
106 +  makeIntegrator();
107 +  
108   #ifdef IS_MPI
109 <  strcpy( checkPointMsg, "ForceField creation successful" );
110 <  MPIcheckPoint();
106 < #endif // is_mpi
109 >  mpiSim->mpiRefresh();
110 > #endif
111  
112 <  
112 >  // initialize the Fortran
113  
114 <  // 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];
114 >  initFortran();
115  
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
116  
119    tot_nmol = 0;
120    for( i=0; i<n_components; i++ ){
117  
118 <      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 <      }
118 > }
119  
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  }
120  
121 < #ifdef IS_MPI
161 <  strcpy( checkPointMsg, "Have the number of components" );
162 <  MPIcheckPoint();
163 < #endif // is_mpi
121 > void SimSetup::makeMolecules( void ){
122  
123 <  // make an array of molecule stamps that match the components used.
124 <  // also extract the used stamps out into a separate linked list
123 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
124 >  molInit molInfo;
125 >  DirectionalAtom* dAtom;
126 >  LinkedAssign* extras;
127 >  LinkedAssign* current_extra;
128 >  AtomStamp* currentAtom;
129 >  BondStamp* currentBond;
130 >  BendStamp* currentBend;
131 >  TorsionStamp* currentTorsion;
132  
133 <  simnfo->nComponents = n_components;
134 <  simnfo->componentsNmol = components_nmol;
135 <  simnfo->compStamps = comp_stamps;
136 <  simnfo->headStamp = new LinkedMolStamp();
133 >  bond_pair* theBonds;
134 >  bend_set* theBends;
135 >  torsion_set* theTorsions;
136 >
137    
138 <  char* id;
174 <  LinkedMolStamp* headStamp = simnfo->headStamp;
175 <  LinkedMolStamp* currentStamp = NULL;
176 <  for( i=0; i<n_components; i++ ){
138 >  //init the forceField paramters
139  
140 <    id = the_components[i]->getType();
179 <    comp_stamps[i] = NULL;
180 <    
181 <    // check to make sure the component isn't already in the list
140 >  the_ff->readParams();
141  
142 <    comp_stamps[i] = headStamp->match( id );
143 <    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 <  }
142 >  
143 >  // init the atoms
144  
145 < #ifdef IS_MPI
204 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
205 <  MPIcheckPoint();
206 < #endif // is_mpi
145 >  double ux, uy, uz, u, uSqr;
146    
147 +  atomOffset = 0;
148 +  excludeOffset = 0;
149 +  for(i=0; i<info->n_mol; i++){
150 +    
151 +    stampID = the_molecules[i].getStampID();
152  
153 +    molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
154 +    molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
155 +    molInfo.nBends    = comp_stamps[stampID]->getNBends();
156 +    molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
157 +    molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
158  
159 +    molInfo.myAtoms = &the_atoms[atomOffset];
160 +    molInfo.myExcludes = &the_excludes[excludeOffset];
161 +    molInfo.myBonds = new Bond*[molInfo.nBonds];
162 +    molInfo.myBends = new Bend*[molInfo.nBends];
163 +    molInfo.myTorsions = new Torsion*[molInfo.nTorsions];
164  
165 <  // caclulate the number of atoms, bonds, bends and torsions
166 <
167 <  tot_atoms = 0;
214 <  tot_bonds = 0;
215 <  tot_bends = 0;
216 <  tot_torsions = 0;
217 <  for( i=0; i<n_components; i++ ){
165 >    theBonds = new bond_pair[molInfo.nBonds];
166 >    theBends = new bend_set[molInfo.nBends];
167 >    theTorsions = new torsion_set[molInfo.nTorsions];
168      
169 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
170 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
171 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
172 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
173 <  }
169 >    // make the Atoms
170 >    
171 >    for(j=0; j<molInfo.nAtoms; j++){
172 >      
173 >      currentAtom = comp_stamps[stampID]->getAtom( j );
174 >      if( currentAtom->haveOrientation() ){
175 >        
176 >        dAtom = new DirectionalAtom(j + atomOffset);
177 >        info->n_oriented++;
178 >        molInfo.myAtoms[j] = dAtom;
179 >        
180 >        ux = currentAtom->getOrntX();
181 >        uy = currentAtom->getOrntY();
182 >        uz = currentAtom->getOrntZ();
183 >        
184 >        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
185 >        
186 >        u = sqrt( uSqr );
187 >        ux = ux / u;
188 >        uy = uy / u;
189 >        uz = uz / u;
190 >        
191 >        dAtom->setSUx( ux );
192 >        dAtom->setSUy( uy );
193 >        dAtom->setSUz( uz );
194 >      }
195 >      else{
196 >        molInfo.myAtoms[j] = new GeneralAtom(j + atomOffset);
197 >      }
198 >      molInfo.myAtoms[j]->setType( currentAtom->getType() );
199 >    
200 > #ifdef IS_MPI
201 >      
202 >      molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
203 >      
204 > #endif // is_mpi
205 >    }
206 >    
207 >    // make the bonds
208 >    for(j=0; j<molInfo.nBonds; j++){
209 >      
210 >      currentBond = comp_stamps[stampID]->getBond( j );
211 >      theBonds[j].a = currentBond->getA() + atomOffset;
212 >      theBonds[j].b = currentBond->getB() + atomOffset;
213  
214 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
214 >      exI = theBonds[j].a;
215 >      exJ = theBonds[j].b;
216  
217 <  simnfo->n_atoms = tot_atoms;
218 <  simnfo->n_bonds = tot_bonds;
219 <  simnfo->n_bends = tot_bends;
220 <  simnfo->n_torsions = tot_torsions;
221 <  simnfo->n_SRI = tot_SRI;
222 <  simnfo->n_mol = tot_nmol;
233 <
234 <  
217 >      // exclude_I must always be the smaller of the pair
218 >      if( exI > exJ ){
219 >        tempEx = exI;
220 >        exI = exJ;
221 >        exJ = tempEx;
222 >      }
223   #ifdef IS_MPI
224 +      tempEx = exI;
225 +      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
226 +      tempEx = exJ;
227 +      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
228 +      
229 +      the_excludes[j+excludeOffset]->setPair( exI, exJ );
230 + #else  // isn't MPI
231  
232 <  // divide the molecules among processors here.
233 <  
234 <  mpiSim = new mpiSimulation( simnfo );
235 <  
241 <  
232 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
233 > #endif  //is_mpi
234 >    }
235 >    excludeOffset += molInfo.nBonds;
236  
237 <  globalIndex = mpiSim->divideLabor();
237 >    //make the bends
238 >    for(j=0; j<molInfo.nBends; j++){
239 >      
240 >      currentBend = comp_stamps[stampID]->getBend( j );
241 >      theBends[j].a = currentBend->getA() + atomOffset;
242 >      theBends[j].b = currentBend->getB() + atomOffset;
243 >      theBends[j].c = currentBend->getC() + atomOffset;
244 >          
245 >      if( currentBend->haveExtras() ){
246 >            
247 >        extras = currentBend->getExtras();
248 >        current_extra = extras;
249 >            
250 >        while( current_extra != NULL ){
251 >          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
252 >                
253 >            switch( current_extra->getType() ){
254 >              
255 >            case 0:
256 >              theBends[j].ghost =
257 >                current_extra->getInt() + atomOffset;
258 >              theBends[j].isGhost = 1;
259 >              break;
260 >                  
261 >            case 1:
262 >              theBends[j].ghost =
263 >                (int)current_extra->getDouble() + atomOffset;
264 >              theBends[j].isGhost = 1;
265 >              break;
266 >              
267 >            default:
268 >              sprintf( painCave.errMsg,
269 >                       "SimSetup Error: ghostVectorSource was neither a "
270 >                       "double nor an int.\n"
271 >                       "-->Bend[%d] in %s\n",
272 >                       j, comp_stamps[stampID]->getID() );
273 >              painCave.isFatal = 1;
274 >              simError();
275 >            }
276 >          }
277 >          
278 >          else{
279 >            
280 >            sprintf( painCave.errMsg,
281 >                     "SimSetup Error: unhandled bend assignment:\n"
282 >                     "    -->%s in Bend[%d] in %s\n",
283 >                     current_extra->getlhs(),
284 >                     j, comp_stamps[stampID]->getID() );
285 >            painCave.isFatal = 1;
286 >            simError();
287 >          }
288 >          
289 >          current_extra = current_extra->getNext();
290 >        }
291 >      }
292 >          
293 >      if( !theBends[j].isGhost ){
294 >            
295 >        exI = theBends[j].a;
296 >        exJ = theBends[j].c;
297 >      }
298 >      else{
299 >        
300 >        exI = theBends[j].a;
301 >        exJ = theBends[j].b;
302 >      }
303 >      
304 >      // exclude_I must always be the smaller of the pair
305 >      if( exI > exJ ){
306 >        tempEx = exI;
307 >        exI = exJ;
308 >        exJ = tempEx;
309 >      }
310 > #ifdef IS_MPI
311 >      tempEx = exI;
312 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
313 >      tempEx = exJ;
314 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
315 >      
316 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
317 > #else  // isn't MPI
318 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
319 > #endif  //is_mpi
320 >    }
321 >    excludeOffset += molInfo.nBends;
322  
323 +    for(j=0; j<molInfo.nTorsions; j++){
324 +      
325 +      currentTorsion = comp_stamps[stampID]->getTorsion( j );
326 +      theTorsions[j].a = currentTorsion->getA() + atomOffset;
327 +      theTorsions[j].b = currentTorsion->getB() + atomOffset;
328 +      theTorsions[j].c = currentTorsion->getC() + atomOffset;
329 +      theTorsions[j].d = currentTorsion->getD() + atomOffset;
330 +      
331 +      exI = theTorsions[j].a;
332 +      exJ = theTorsions[j].d;
333  
334 <
335 <  // set up the local variables
336 <  
337 <  int localMol, allMol;
338 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
339 <  
340 <  allMol = 0;
341 <  localMol = 0;
342 <  local_atoms = 0;
343 <  local_bonds = 0;
344 <  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++ ){
334 >      // exclude_I must always be the smaller of the pair
335 >      if( exI > exJ ){
336 >        tempEx = exI;
337 >        exI = exJ;
338 >        exJ = tempEx;
339 >      }
340 > #ifdef IS_MPI
341 >      tempEx = exI;
342 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
343 >      tempEx = exJ;
344 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
345        
346 <      if( mpiSim->getMyMolStart() <= allMol &&
347 <          allMol <= mpiSim->getMyMolEnd() ){
348 <        
349 <        local_atoms +=    comp_stamps[i]->getNAtoms();
266 <        local_bonds +=    comp_stamps[i]->getNBonds();
267 <        local_bends +=    comp_stamps[i]->getNBends();
268 <        local_torsions += comp_stamps[i]->getNTorsions();
269 <        localMol++;
270 <      }      
271 <      allMol++;
346 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
347 > #else  // isn't MPI
348 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
349 > #endif  //is_mpi
350      }
351 <  }
274 <  local_SRI = local_bonds + local_bends + local_torsions;
275 <  
351 >    excludeOffset += molInfo.nTorsions;
352  
353 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
354 <  
279 <  if( local_atoms != simnfo->n_atoms ){
280 <    sprintf( painCave.errMsg,
281 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
282 <             " localAtom (%d) are note equal.\n",
283 <             simnfo->n_atoms,
284 <             local_atoms );
285 <    painCave.isFatal = 1;
286 <    simError();
287 <  }
353 >    
354 >    // send the arrays off to the forceField for init.
355  
356 <  simnfo->n_bonds = local_bonds;
357 <  simnfo->n_bends = local_bends;
358 <  simnfo->n_torsions = local_torsions;
359 <  simnfo->n_SRI = local_SRI;
293 <  simnfo->n_mol = localMol;
356 >    the_ff->initializeAtoms( molInfo.nAtoms, molInfo.myAtoms );
357 >    the_ff->initializeBonds( molInfo.nBonds, molInfo.myBonds, theBonds );
358 >    the_ff->initializeBends( molInfo.nBends, molInfo.myBends, theBends );
359 >    the_ff->initializeTorsions( molInfo.nTorsions, molInfo.myTorsions, theTorsions );
360  
361 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
361 >
362 >    the_molecules[i].initialize( molInfo );
363 >
364 >
365 >    atomOffset += molInfo.nAtoms;
366 >    delete[] theBonds;
367 >    delete[] theBends;
368 >    delete[] theTorsions;
369 >  }
370 >
371 > #ifdef IS_MPI
372 >  sprintf( checkPointMsg, "all molecules initialized succesfully" );
373    MPIcheckPoint();
297  
298  
374   #endif // is_mpi
300  
375  
376 <  // create the atom and short range interaction arrays
376 >  // clean up the forcefield
377 >  the_ff->calcRcut();
378 >  the_ff->cleanMe();
379  
380 <  Atom::createArrays(simnfo->n_atoms);
305 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
380 > }
381  
382 + void SimSetup::initFromBass( void ){
383  
384 <  if( simnfo->n_SRI ){
385 <    the_sris = new SRI*[simnfo->n_SRI];
386 <    the_excludes = new int[2 * simnfo->n_SRI];
387 <    simnfo->globalExcludes = new int;
388 <    simnfo->n_exclude = tot_SRI;
384 >  int i, j, k;
385 >  int n_cells;
386 >  double cellx, celly, cellz;
387 >  double temp1, temp2, temp3;
388 >  int n_per_extra;
389 >  int n_extra;
390 >  int have_extra, done;
391 >
392 >  temp1 = (double)tot_nmol / 4.0;
393 >  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
394 >  temp3 = ceil( temp2 );
395 >
396 >  have_extra =0;
397 >  if( temp2 < temp3 ){ // we have a non-complete lattice
398 >    have_extra =1;
399 >
400 >    n_cells = (int)temp3 - 1;
401 >    cellx = info->boxL[0] / temp3;
402 >    celly = info->boxL[1] / temp3;
403 >    cellz = info->boxL[2] / temp3;
404 >    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
405 >    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
406 >    n_per_extra = (int)ceil( temp1 );
407 >
408 >    if( n_per_extra > 4){
409 >      sprintf( painCave.errMsg,
410 >               "SimSetup error. There has been an error in constructing"
411 >               " the non-complete lattice.\n" );
412 >      painCave.isFatal = 1;
413 >      simError();
414 >    }
415    }
416    else{
417 <    
418 <    the_excludes = new int[2];
419 <    the_excludes[0] = 0;
420 <    the_excludes[1] = 0;
421 <    simnfo->globalExcludes = new int;
321 <    simnfo->globalExcludes[0] = 0;
417 >    n_cells = (int)temp3;
418 >    cellx = info->boxL[0] / temp3;
419 >    celly = info->boxL[1] / temp3;
420 >    cellz = info->boxL[2] / temp3;
421 >  }
422  
423 <    simnfo->n_exclude = 1;
423 >  current_mol = 0;
424 >  current_comp_mol = 0;
425 >  current_comp = 0;
426 >  current_atom_ndx = 0;
427 >
428 >  for( i=0; i < n_cells ; i++ ){
429 >    for( j=0; j < n_cells; j++ ){
430 >      for( k=0; k < n_cells; k++ ){
431 >
432 >        makeElement( i * cellx,
433 >                     j * celly,
434 >                     k * cellz );
435 >
436 >        makeElement( i * cellx + 0.5 * cellx,
437 >                     j * celly + 0.5 * celly,
438 >                     k * cellz );
439 >
440 >        makeElement( i * cellx,
441 >                     j * celly + 0.5 * celly,
442 >                     k * cellz + 0.5 * cellz );
443 >
444 >        makeElement( i * cellx + 0.5 * cellx,
445 >                     j * celly,
446 >                     k * cellz + 0.5 * cellz );
447 >      }
448 >    }
449    }
450  
451 <  // set the arrays into the SimInfo object
451 >  if( have_extra ){
452 >    done = 0;
453  
454 <  simnfo->atoms = the_atoms;
455 <  simnfo->sr_interactions = the_sris;
456 <  simnfo->nGlobalExcludes = 0;
331 <  simnfo->excludes = the_excludes;
454 >    int start_ndx;
455 >    for( i=0; i < (n_cells+1) && !done; i++ ){
456 >      for( j=0; j < (n_cells+1) && !done; j++ ){
457  
458 +        if( i < n_cells ){
459  
460 <  // get some of the tricky things that may still be in the globals
460 >          if( j < n_cells ){
461 >            start_ndx = n_cells;
462 >          }
463 >          else start_ndx = 0;
464 >        }
465 >        else start_ndx = 0;
466  
467 +        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
468 +
469 +          makeElement( i * cellx,
470 +                       j * celly,
471 +                       k * cellz );
472 +          done = ( current_mol >= tot_nmol );
473 +
474 +          if( !done && n_per_extra > 1 ){
475 +            makeElement( i * cellx + 0.5 * cellx,
476 +                         j * celly + 0.5 * celly,
477 +                         k * cellz );
478 +            done = ( current_mol >= tot_nmol );
479 +          }
480 +
481 +          if( !done && n_per_extra > 2){
482 +            makeElement( i * cellx,
483 +                         j * celly + 0.5 * celly,
484 +                         k * cellz + 0.5 * cellz );
485 +            done = ( current_mol >= tot_nmol );
486 +          }
487 +
488 +          if( !done && n_per_extra > 3){
489 +            makeElement( i * cellx + 0.5 * cellx,
490 +                         j * celly,
491 +                         k * cellz + 0.5 * cellz );
492 +            done = ( current_mol >= tot_nmol );
493 +          }
494 +        }
495 +      }
496 +    }
497 +  }
498 +
499 +
500 +  for( i=0; i<info->n_atoms; i++ ){
501 +    info->atoms[i]->set_vx( 0.0 );
502 +    info->atoms[i]->set_vy( 0.0 );
503 +    info->atoms[i]->set_vz( 0.0 );
504 +  }
505 + }
506 +
507 + void SimSetup::makeElement( double x, double y, double z ){
508 +
509 +  int k;
510 +  AtomStamp* current_atom;
511 +  DirectionalAtom* dAtom;
512 +  double rotMat[3][3];
513 +
514 +  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
515 +
516 +    current_atom = comp_stamps[current_comp]->getAtom( k );
517 +    if( !current_atom->havePosition() ){
518 +      sprintf( painCave.errMsg,
519 +               "SimSetup:initFromBass error.\n"
520 +               "\tComponent %s, atom %s does not have a position specified.\n"
521 +               "\tThe initialization routine is unable to give a start"
522 +               " position.\n",
523 +               comp_stamps[current_comp]->getID(),
524 +               current_atom->getType() );
525 +      painCave.isFatal = 1;
526 +      simError();
527 +    }
528 +
529 +    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
530 +    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
531 +    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
532 +
533 +    if( the_atoms[current_atom_ndx]->isDirectional() ){
534 +
535 +      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
536 +
537 +      rotMat[0][0] = 1.0;
538 +      rotMat[0][1] = 0.0;
539 +      rotMat[0][2] = 0.0;
540 +
541 +      rotMat[1][0] = 0.0;
542 +      rotMat[1][1] = 1.0;
543 +      rotMat[1][2] = 0.0;
544 +
545 +      rotMat[2][0] = 0.0;
546 +      rotMat[2][1] = 0.0;
547 +      rotMat[2][2] = 1.0;
548 +
549 +      dAtom->setA( rotMat );
550 +    }
551 +
552 +    current_atom_ndx++;
553 +  }
554 +
555 +  current_mol++;
556 +  current_comp_mol++;
557 +
558 +  if( current_comp_mol >= components_nmol[current_comp] ){
559 +
560 +    current_comp_mol = 0;
561 +    current_comp++;
562 +  }
563 + }
564 +
565 +
566 + void SimSetup::gatherInfo( void ){
567 +  int i,j,k;
568 +
569 +  ensembleCase = -1;
570 +  ffCase = -1;
571 +
572 +  // get the stamps and globals;
573 +  stamps = stamps;
574 +  globals = globals;
575 +
576 +  // set the easy ones first
577 +  info->target_temp = globals->getTargetTemp();
578 +  info->dt = globals->getDt();
579 +  info->run_time = globals->getRunTime();
580 +  n_components = globals->getNComponents();
581 +
582 +
583 +  // get the forceField
584 +
585 +  strcpy( force_field, globals->getForceField() );
586 +
587 +  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
588 +  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
589 +  else{
590 +    sprintf( painCave.errMsg,
591 +             "SimSetup Error. Unrecognized force field -> %s\n",
592 +             force_field );
593 +    painCave.isFatal = 1;
594 +    simError();
595 +  }
596 +
597 +  // get the ensemble
598 +
599 +  strcpy( ensemble, globals->getEnsemble() );
600 +
601 +  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
602 +  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
603 +  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
604 +    ensembleCase = NPTi_ENS;
605 +  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
606 +  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
607 +  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
608 +  else{
609 +    sprintf( painCave.errMsg,
610 +             "SimSetup Warning. Unrecognized Ensemble -> %s, "
611 +             "reverting to NVE for this simulation.\n",
612 +             ensemble );
613 +    painCave.isFatal = 0;
614 +    simError();
615 +    strcpy( ensemble, "NVE" );
616 +    ensembleCase = NVE_ENS;
617 +  }  
618 +  strcpy( info->ensemble, ensemble );
619 +
620 +  // get the mixing rule
621 +
622 +  strcpy( info->mixingRule, globals->getMixingRule() );
623 +  info->usePBC = globals->getPBC();
624 +        
625    
626 <  if( the_globals->haveBox() ){
627 <    simnfo->box_x = the_globals->getBox();
628 <    simnfo->box_y = the_globals->getBox();
629 <    simnfo->box_z = the_globals->getBox();
626 >  // get the components and calculate the tot_nMol and indvidual n_mol
627 >
628 >  the_components = globals->getComponents();
629 >  components_nmol = new int[n_components];
630 >
631 >
632 >  if( !globals->haveNMol() ){
633 >    // we don't have the total number of molecules, so we assume it is
634 >    // given in each component
635 >
636 >    tot_nmol = 0;
637 >    for( i=0; i<n_components; i++ ){
638 >
639 >      if( !the_components[i]->haveNMol() ){
640 >        // we have a problem
641 >        sprintf( painCave.errMsg,
642 >                 "SimSetup Error. No global NMol or component NMol"
643 >                 " given. Cannot calculate the number of atoms.\n" );
644 >        painCave.isFatal = 1;
645 >        simError();
646 >      }
647 >
648 >      tot_nmol += the_components[i]->getNMol();
649 >      components_nmol[i] = the_components[i]->getNMol();
650 >    }
651    }
652 <  else if( the_globals->haveDensity() ){
652 >  else{
653 >    sprintf( painCave.errMsg,
654 >             "SimSetup error.\n"
655 >             "\tSorry, the ability to specify total"
656 >             " nMols and then give molfractions in the components\n"
657 >             "\tis not currently supported."
658 >             " Please give nMol in the components.\n" );
659 >    painCave.isFatal = 1;
660 >    simError();
661 >  }
662  
663 +  // set the status, sample, and thermal kick times
664 +  
665 +  if( globals->haveSampleTime() ){
666 +    info->sampleTime = globals->getSampleTime();
667 +    info->statusTime = info->sampleTime;
668 +    info->thermalTime = info->sampleTime;
669 +  }
670 +  else{
671 +    info->sampleTime = globals->getRunTime();
672 +    info->statusTime = info->sampleTime;
673 +    info->thermalTime = info->sampleTime;
674 +  }
675 +
676 +  if( globals->haveStatusTime() ){
677 +    info->statusTime = globals->getStatusTime();
678 +  }
679 +
680 +  if( globals->haveThermalTime() ){
681 +    info->thermalTime = globals->getThermalTime();
682 +  }
683 +
684 +  // check for the temperature set flag
685 +
686 +  if( globals->haveTempSet() ) info->setTemp = globals->getTempSet();
687 +
688 +  // get some of the tricky things that may still be in the globals
689 +
690 +  double boxVector[3];
691 +  if( globals->haveBox() ){
692 +    boxVector[0] = globals->getBox();
693 +    boxVector[1] = globals->getBox();
694 +    boxVector[2] = globals->getBox();
695 +    
696 +    info->setBox( boxVector );
697 +  }
698 +  else if( globals->haveDensity() ){
699 +
700      double vol;
701 <    vol = (double)tot_nmol / the_globals->getDensity();
702 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
703 <    simnfo->box_y = simnfo->box_x;
704 <    simnfo->box_z = simnfo->box_x;
701 >    vol = (double)tot_nmol / globals->getDensity();
702 >     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
703 >     boxVector[1] = boxVector[0];
704 >     boxVector[2] = boxVector[0];
705 >
706 >    info->setBox( boxVector );
707    }
708    else{
709 <    if( !the_globals->haveBoxX() ){
709 >    if( !globals->haveBoxX() ){
710        sprintf( painCave.errMsg,
711                 "SimSetup error, no periodic BoxX size given.\n" );
712        painCave.isFatal = 1;
713        simError();
714      }
715 <    simnfo->box_x = the_globals->getBoxX();
715 >    boxVector[0] = globals->getBoxX();
716  
717 <    if( !the_globals->haveBoxY() ){
717 >    if( !globals->haveBoxY() ){
718        sprintf( painCave.errMsg,
719                 "SimSetup error, no periodic BoxY size given.\n" );
720        painCave.isFatal = 1;
721        simError();
722      }
723 <    simnfo->box_y = the_globals->getBoxY();
723 >    boxVector[1] = globals->getBoxY();
724  
725 <    if( !the_globals->haveBoxZ() ){
725 >    if( !globals->haveBoxZ() ){
726        sprintf( painCave.errMsg,
727                 "SimSetup error, no periodic BoxZ size given.\n" );
728        painCave.isFatal = 1;
729        simError();
730      }
731 <    simnfo->box_z = the_globals->getBoxZ();
731 >    boxVector[2] = globals->getBoxZ();
732 >
733 >    info->setBox( boxVector );
734    }
735  
736 +
737 +    
738   #ifdef IS_MPI
739 <  strcpy( checkPointMsg, "Box size set up" );
739 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
740    MPIcheckPoint();
741   #endif // is_mpi
742  
743 + }
744  
382  // initialize the arrays
745  
746 <  the_ff->setSimInfo( simnfo );
746 > void SimSetup::finalInfoCheck( void ){
747 >  int index;
748 >  int usesDipoles;
749 >  
750  
751 <  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 <  }
751 >  // check electrostatic parameters
752    
753 <  if( tot_bonds ){
754 <    makeBonds();
753 >  index = 0;
754 >  usesDipoles = 0;
755 >  while( (index < info->n_atoms) && !usesDipoles ){
756 >    usesDipoles = ((info->atoms)[index])->hasDipole();
757 >    index++;
758    }
759 +  
760 + #ifdef IS_MPI
761 +  int myUse = usesDipoles;
762 +  MPI_Allreduce( &myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD );
763 + #endif //is_mpi
764  
396  if( tot_bends ){
397    makeBends();
398  }
765  
766 <  if( tot_torsions ){
767 <    makeTorsions();
768 <  }
769 <
404 <
405 <  if (the_globals->getUseRF() ) {
406 <    simnfo->useReactionField = 1;
407 <  
408 <    if( !the_globals->haveECR() ){
766 >  if (globals->getUseRF() ) {
767 >    info->useReactionField = 1;
768 >    
769 >    if( !globals->haveECR() ){
770        sprintf( painCave.errMsg,
771                 "SimSetup Warning: using default value of 1/2 the smallest "
772                 "box length for the electrostaticCutoffRadius.\n"
# Line 413 | Line 774 | void SimSetup::createSim( void ){
774        painCave.isFatal = 0;
775        simError();
776        double smallest;
777 <      smallest = simnfo->box_x;
778 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
779 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
780 <      simnfo->ecr = 0.5 * smallest;
777 >      smallest = info->boxL[0];
778 >      if (info->boxL[1] <= smallest) smallest = info->boxL[1];
779 >      if (info->boxL[2] <= smallest) smallest = info->boxL[2];
780 >      info->ecr = 0.5 * smallest;
781      } else {
782 <      simnfo->ecr        = the_globals->getECR();
782 >      info->ecr        = globals->getECR();
783      }
784  
785 <    if( !the_globals->haveEST() ){
785 >    if( !globals->haveEST() ){
786        sprintf( painCave.errMsg,
787                 "SimSetup Warning: using default value of 0.05 * the "
788                 "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
789                 );
790        painCave.isFatal = 0;
791        simError();
792 <      simnfo->est = 0.05 * simnfo->ecr;
792 >      info->est = 0.05 * info->ecr;
793      } else {
794 <      simnfo->est        = the_globals->getEST();
794 >      info->est        = globals->getEST();
795      }
796      
797 <    if(!the_globals->haveDielectric() ){
797 >    if(!globals->haveDielectric() ){
798        sprintf( painCave.errMsg,
799                 "SimSetup Error: You are trying to use Reaction Field without"
800                 "setting a dielectric constant!\n"
# Line 441 | Line 802 | void SimSetup::createSim( void ){
802        painCave.isFatal = 1;
803        simError();
804      }
805 <    simnfo->dielectric = the_globals->getDielectric();  
806 <  } else {
807 <    if (simnfo->n_dipoles) {
805 >    info->dielectric = globals->getDielectric();  
806 >  }
807 >  else {
808 >    if (usesDipoles) {
809        
810 <      if( !the_globals->haveECR() ){
810 >      if( !globals->haveECR() ){
811          sprintf( painCave.errMsg,
812 <                 "SimSetup Warning: using default value of 1/2 the smallest"
812 >                 "SimSetup Warning: using default value of 1/2 the smallest "
813                   "box length for the electrostaticCutoffRadius.\n"
814                   "I hope you have a very fast processor!\n");
815          painCave.isFatal = 0;
816          simError();
817          double smallest;
818 <        smallest = simnfo->box_x;
819 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
820 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
821 <        simnfo->ecr = 0.5 * smallest;
818 >        smallest = info->boxL[0];
819 >        if (info->boxL[1] <= smallest) smallest = info->boxL[1];
820 >        if (info->boxL[2] <= smallest) smallest = info->boxL[2];
821 >        info->ecr = 0.5 * smallest;
822        } else {
823 <        simnfo->ecr        = the_globals->getECR();
823 >        info->ecr        = globals->getECR();
824        }
825        
826 <      if( !the_globals->haveEST() ){
826 >      if( !globals->haveEST() ){
827          sprintf( painCave.errMsg,
828 <                 "SimSetup Warning: using default value of 5% of the"
828 >                 "SimSetup Warning: using default value of 5%% of the "
829                   "electrostaticCutoffRadius for the "
830                   "electrostaticSkinThickness\n"
831                   );
832          painCave.isFatal = 0;
833          simError();
834 <        simnfo->est = 0.05 * simnfo->ecr;
834 >        info->est = 0.05 * info->ecr;
835        } else {
836 <        simnfo->est        = the_globals->getEST();
836 >        info->est        = globals->getEST();
837        }
838      }
839    }  
840  
841   #ifdef IS_MPI
842 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
842 >  strcpy( checkPointMsg, "post processing checks out" );
843    MPIcheckPoint();
844   #endif // is_mpi
845  
846 < if( the_globals->haveInitialConfig() ){
846 > }
847 >
848 > void SimSetup::initSystemCoords( void ){
849 >
850 > if( globals->haveInitialConfig() ){
851  
852       InitializeFromFile* fileInit;
853   #ifdef IS_MPI // is_mpi
854       if( worldRank == 0 ){
855   #endif //is_mpi
856 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
856 >   fileInit = new InitializeFromFile( globals->getInitialConfig() );
857   #ifdef IS_MPI
858       }else fileInit = new InitializeFromFile( NULL );
859   #endif
860 <   fileInit->read_xyz( simnfo ); // default velocities on
860 >   fileInit->read_xyz( info ); // default velocities on
861  
862     delete fileInit;
863   }
# Line 519 | Line 885 | void SimSetup::createSim( void ){
885    MPIcheckPoint();
886   #endif // is_mpi
887  
888 + }
889  
523  
524
525  
890  
891 <  
891 > void SimSetup::makeOutNames( void ){
892 >
893   #ifdef IS_MPI
894    if( worldRank == 0 ){
895   #endif // is_mpi
896      
897 <    if( the_globals->haveFinalConfig() ){
898 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
897 >    if( globals->haveFinalConfig() ){
898 >      strcpy( info->finalName, globals->getFinalConfig() );
899      }
900      else{
901 <      strcpy( simnfo->finalName, inFileName );
901 >      strcpy( info->finalName, inFileName );
902        char* endTest;
903 <      int nameLength = strlen( simnfo->finalName );
904 <      endTest = &(simnfo->finalName[nameLength - 5]);
903 >      int nameLength = strlen( info->finalName );
904 >      endTest = &(info->finalName[nameLength - 5]);
905        if( !strcmp( endTest, ".bass" ) ){
906          strcpy( endTest, ".eor" );
907        }
# Line 544 | Line 909 | void SimSetup::createSim( void ){
909          strcpy( endTest, ".eor" );
910        }
911        else{
912 <        endTest = &(simnfo->finalName[nameLength - 4]);
912 >        endTest = &(info->finalName[nameLength - 4]);
913          if( !strcmp( endTest, ".bss" ) ){
914            strcpy( endTest, ".eor" );
915          }
# Line 552 | Line 917 | void SimSetup::createSim( void ){
917            strcpy( endTest, ".eor" );
918          }
919          else{
920 <          strcat( simnfo->finalName, ".eor" );
920 >          strcat( info->finalName, ".eor" );
921          }
922        }
923      }
924      
925      // make the sample and status out names
926      
927 <    strcpy( simnfo->sampleName, inFileName );
927 >    strcpy( info->sampleName, inFileName );
928      char* endTest;
929 <    int nameLength = strlen( simnfo->sampleName );
930 <    endTest = &(simnfo->sampleName[nameLength - 5]);
929 >    int nameLength = strlen( info->sampleName );
930 >    endTest = &(info->sampleName[nameLength - 5]);
931      if( !strcmp( endTest, ".bass" ) ){
932        strcpy( endTest, ".dump" );
933      }
# Line 570 | Line 935 | void SimSetup::createSim( void ){
935        strcpy( endTest, ".dump" );
936      }
937      else{
938 <      endTest = &(simnfo->sampleName[nameLength - 4]);
938 >      endTest = &(info->sampleName[nameLength - 4]);
939        if( !strcmp( endTest, ".bss" ) ){
940          strcpy( endTest, ".dump" );
941        }
# Line 578 | Line 943 | void SimSetup::createSim( void ){
943          strcpy( endTest, ".dump" );
944        }
945        else{
946 <        strcat( simnfo->sampleName, ".dump" );
946 >        strcat( info->sampleName, ".dump" );
947        }
948      }
949      
950 <    strcpy( simnfo->statusName, inFileName );
951 <    nameLength = strlen( simnfo->statusName );
952 <    endTest = &(simnfo->statusName[nameLength - 5]);
950 >    strcpy( info->statusName, inFileName );
951 >    nameLength = strlen( info->statusName );
952 >    endTest = &(info->statusName[nameLength - 5]);
953      if( !strcmp( endTest, ".bass" ) ){
954        strcpy( endTest, ".stat" );
955      }
# Line 592 | Line 957 | void SimSetup::createSim( void ){
957        strcpy( endTest, ".stat" );
958      }
959      else{
960 <      endTest = &(simnfo->statusName[nameLength - 4]);
960 >      endTest = &(info->statusName[nameLength - 4]);
961        if( !strcmp( endTest, ".bss" ) ){
962          strcpy( endTest, ".stat" );
963        }
# Line 600 | Line 965 | void SimSetup::createSim( void ){
965          strcpy( endTest, ".stat" );
966        }
967        else{
968 <        strcat( simnfo->statusName, ".stat" );
968 >        strcat( info->statusName, ".stat" );
969        }
970      }
971      
972   #ifdef IS_MPI
973    }
974   #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  }
975  
976 <  if( the_globals->haveStatusTime() ){
625 <    simnfo->statusTime = the_globals->getStatusTime();
626 <  }
976 > }
977  
628  if( the_globals->haveThermalTime() ){
629    simnfo->thermalTime = the_globals->getThermalTime();
630  }
978  
979 <  // check for the temperature set flag
979 > void SimSetup::sysObjectsCreation( void ){
980  
981 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
981 >  int i;
982  
983 +  // create the forceField
984  
985 < //   // make the longe range forces and the integrator
985 >  createFF();
986  
987 < //   new AllLong( simnfo );
987 >  // extract componentList
988  
989 <  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 );
989 >  compList();
990  
991 +  // calc the number of atoms, bond, bends, and torsions
992  
993 +  calcSysValues();
994  
648  // initialize the Fortran
649  
650  simnfo->refreshSim();
651  
652  if( !strcmp( simnfo->mixingRule, "standard") ){
653    the_ff->initForceField( LB_MIXING_RULE );
654  }
655  else if( !strcmp( simnfo->mixingRule, "explicit") ){
656    the_ff->initForceField( EXPLICIT_MIXING_RULE );
657  }
658  else{
659    sprintf( painCave.errMsg,
660             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
661             simnfo->mixingRule );
662    painCave.isFatal = 1;
663    simError();
664  }
665
666
995   #ifdef IS_MPI
996 <  strcpy( checkPointMsg,
997 <          "Successfully intialized the mixingRule for Fortran." );
998 <  MPIcheckPoint();
999 < #endif // is_mpi
672 < }
673 <
674 <
675 < void SimSetup::makeMolecules( void ){
676 <
677 <  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;
996 >  // divide the molecules among the processors
997 >  
998 >  mpiMolDivide();
999 > #endif //is_mpi
1000    
1001 <  //init the forceField paramters
686 <
687 <  the_ff->readParams();
688 <
1001 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1002    
1003 <  // init the molecules
1003 >  makeSysArrays();
1004  
1005 <  atomOffset = 0;
1006 <  for(i=0; i<simnfo->n_mol; i++){
1007 <    
1008 <    stampID = the_molecules[i].getStampID();
1009 <
1010 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
698 <    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++){
714 <      
715 <      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
743 <      
744 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
745 <      
746 < #endif // is_mpi
747 <    }
748 <    
749 <    // make the bonds
750 <    for(j=0; j<nBonds; j++){
751 <      
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;
764 <      }
765 < #ifdef IS_MPI
766 <      
767 <      the_excludes[index*2] =    
768 <        the_atoms[exI]->getGlobalIndex() + 1;
769 <      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 <    
1005 >  // make and initialize the molecules (all but atomic coordinates)
1006 >  
1007 >  makeMolecules();
1008 >  info->identArray = new int[info->n_atoms];
1009 >  for(i=0; i<info->n_atoms; i++){
1010 >    info->identArray[i] = the_atoms[i]->getIdent();
1011    }
1012 +  
1013  
1014  
1015 + }
1016  
1017  
1018 + void SimSetup::createFF( void ){
1019  
1020 +  switch( ffCase ){
1021  
1022 +  case FF_DUFF:
1023 +    the_ff = new DUFF();
1024 +    break;
1025  
1026 +  case FF_LJ:
1027 +    the_ff = new LJFF();
1028 +    break;
1029  
1030 +  default:
1031 +    sprintf( painCave.errMsg,
1032 +             "SimSetup Error. Unrecognized force field in case statement.\n");
1033 +    painCave.isFatal = 1;
1034 +    simError();
1035 +  }
1036  
1037 + #ifdef IS_MPI
1038 +  strcpy( checkPointMsg, "ForceField creation successful" );
1039 +  MPIcheckPoint();
1040 + #endif // is_mpi
1041  
1042 + }
1043  
1044  
1045 + void SimSetup::compList( void ){
1046  
1047 +  int i;
1048  
1049 +  comp_stamps = new MoleculeStamp*[n_components];
1050  
1051 < void SimSetup::makeAtoms( void ){
1051 >  // make an array of molecule stamps that match the components used.
1052 >  // also extract the used stamps out into a separate linked list
1053  
1054 <  int i, j, k, index;
1055 <  double ux, uy, uz, uSqr, u;
1056 <  AtomStamp* current_atom;
1057 <
1058 <  DirectionalAtom* dAtom;
1059 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
1060 <
1061 <  lMolIndex = 0;
806 <  molIndex = 0;
807 <  index = 0;
1054 >  info->nComponents = n_components;
1055 >  info->componentsNmol = components_nmol;
1056 >  info->compStamps = comp_stamps;
1057 >  info->headStamp = new LinkedMolStamp();
1058 >  
1059 >  char* id;
1060 >  LinkedMolStamp* headStamp = info->headStamp;
1061 >  LinkedMolStamp* currentStamp = NULL;
1062    for( i=0; i<n_components; i++ ){
1063  
1064 <    for( j=0; j<components_nmol[i]; j++ ){
1064 >    id = the_components[i]->getType();
1065 >    comp_stamps[i] = NULL;
1066 >    
1067 >    // check to make sure the component isn't already in the list
1068  
1069 < #ifdef IS_MPI
1070 <      if( mpiSim->getMyMolStart() <= molIndex &&
1071 <          molIndex <= mpiSim->getMyMolEnd() ){
1072 < #endif // is_mpi        
1073 <
1074 <        molStart = index;
1075 <        nMemb = comp_stamps[i]->getNAtoms();
1076 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
1077 <          
1078 <          current_atom = comp_stamps[i]->getAtom( k );
1079 <          if( current_atom->haveOrientation() ){
1080 <            
1081 <            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 <        }
852 <        
853 <        molEnd = index -1;
854 <        the_molecules[lMolIndex].setNMembers( nMemb );
855 <        the_molecules[lMolIndex].setStartAtom( molStart );
856 <        the_molecules[lMolIndex].setEndAtom( molEnd );
857 <        the_molecules[lMolIndex].setStampID( i );
858 <        lMolIndex++;
859 <
860 < #ifdef IS_MPI
1069 >    comp_stamps[i] = headStamp->match( id );
1070 >    if( comp_stamps[i] == NULL ){
1071 >      
1072 >      // extract the component from the list;
1073 >      
1074 >      currentStamp = stamps->extractMolStamp( id );
1075 >      if( currentStamp == NULL ){
1076 >        sprintf( painCave.errMsg,
1077 >                 "SimSetup error: Component \"%s\" was not found in the "
1078 >                 "list of declared molecules\n",
1079 >                 id );
1080 >        painCave.isFatal = 1;
1081 >        simError();
1082        }
862 #endif //is_mpi
1083        
1084 <      molIndex++;
1084 >      headStamp->add( currentStamp );
1085 >      comp_stamps[i] = headStamp->match( id );
1086      }
1087    }
1088  
1089   #ifdef IS_MPI
1090 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
1091 <    
1092 <    delete[] globalIndex;
1090 >  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1091 >  MPIcheckPoint();
1092 > #endif // is_mpi
1093  
1094 <    mpiSim->mpiRefresh();
874 < #endif //IS_MPI
875 <          
876 <  the_ff->initializeAtoms();
1094 >
1095   }
1096  
1097 < void SimSetup::makeBonds( void ){
1097 > void SimSetup::calcSysValues( void ){
1098 >  int i, j, k;
1099  
881  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
882  bond_pair* the_bonds;
883  BondStamp* current_bond;
1100  
1101 <  the_bonds = new bond_pair[tot_bonds];
1102 <  index = 0;
1103 <  offset = 0;
1104 <  molIndex = 0;
889 <
1101 >  tot_atoms = 0;
1102 >  tot_bonds = 0;
1103 >  tot_bends = 0;
1104 >  tot_torsions = 0;
1105    for( i=0; i<n_components; i++ ){
1106 +    
1107 +    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
1108 +    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
1109 +    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
1110 +    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1111 +  }
1112  
1113 <    for( j=0; j<components_nmol[i]; j++ ){
1113 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1114  
1115 +  info->n_atoms = tot_atoms;
1116 +  info->n_bonds = tot_bonds;
1117 +  info->n_bends = tot_bends;
1118 +  info->n_torsions = tot_torsions;
1119 +  info->n_SRI = tot_SRI;
1120 +  info->n_mol = tot_nmol;
1121 +  
1122 +  info->molMembershipArray = new int[tot_atoms];
1123 + }
1124 +
1125 +
1126   #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;
1127  
1128 <          exI = the_bonds[index].a;
1129 <          exJ = the_bonds[index].b;
1128 > void SimSetup::mpiMolDivide( void ){
1129 >  
1130 >  int i, j, k;
1131 >  int localMol, allMol;
1132 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1133  
1134 <          // exclude_I must always be the smaller of the pair
1135 <          if( exI > exJ ){
1136 <            tempEx = exI;
911 <            exI = exJ;
912 <            exJ = tempEx;
913 <          }
1134 >  mpiSim = new mpiSimulation( info );
1135 >  
1136 >  globalIndex = mpiSim->divideLabor();
1137  
1138 <          
1139 < #ifdef IS_MPI
1138 >  // set up the local variables
1139 >  
1140 >  mol2proc = mpiSim->getMolToProcMap();
1141 >  molCompType = mpiSim->getMolComponentType();
1142 >  
1143 >  allMol = 0;
1144 >  localMol = 0;
1145 >  local_atoms = 0;
1146 >  local_bonds = 0;
1147 >  local_bends = 0;
1148 >  local_torsions = 0;
1149 >  globalAtomIndex = 0;
1150  
918          the_excludes[index*2] =    
919            the_atoms[exI]->getGlobalIndex() + 1;
920          the_excludes[index*2 + 1] =
921            the_atoms[exJ]->getGlobalIndex() + 1;
1151  
1152 < #else  // isn't MPI
1153 <          
1154 <          the_excludes[index*2] =     exI + 1;
1155 <          the_excludes[index*2 + 1] = exJ + 1;
1156 <          // 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();
1152 >  for( i=0; i<n_components; i++ ){
1153 >
1154 >    for( j=0; j<components_nmol[i]; j++ ){
1155 >      
1156 >      if( mol2proc[allMol] == worldRank ){
1157          
1158 < #ifdef IS_MPI
1158 >        local_atoms +=    comp_stamps[i]->getNAtoms();
1159 >        local_bonds +=    comp_stamps[i]->getNBonds();
1160 >        local_bends +=    comp_stamps[i]->getNBends();
1161 >        local_torsions += comp_stamps[i]->getNTorsions();
1162 >        localMol++;
1163 >      }      
1164 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1165 >        info->molMembershipArray[globalAtomIndex] = allMol;
1166 >        globalAtomIndex++;
1167        }
1168 < #endif //is_mpi
1169 <      
1170 <      molIndex++;
940 <    }      
1168 >
1169 >      allMol++;      
1170 >    }
1171    }
1172 +  local_SRI = local_bonds + local_bends + local_torsions;
1173 +  
1174 +  info->n_atoms = mpiSim->getMyNlocal();  
1175 +  
1176 +  if( local_atoms != info->n_atoms ){
1177 +    sprintf( painCave.errMsg,
1178 +             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1179 +             " localAtom (%d) are not equal.\n",
1180 +             info->n_atoms,
1181 +             local_atoms );
1182 +    painCave.isFatal = 1;
1183 +    simError();
1184 +  }
1185  
1186 <  the_ff->initializeBonds( the_bonds );
1187 < }
1186 >  info->n_bonds = local_bonds;
1187 >  info->n_bends = local_bends;
1188 >  info->n_torsions = local_torsions;
1189 >  info->n_SRI = local_SRI;
1190 >  info->n_mol = localMol;
1191  
1192 < void SimSetup::makeBends( void ){
1193 <
1194 <  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;
1192 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1193 >  MPIcheckPoint();
1194 > }
1195    
1196 + #endif // is_mpi
1197  
955  the_bends = new bend_set[tot_bends];
956  index = 0;
957  offset = 0;
958  molIndex = 0;
959  for( i=0; i<n_components; i++ ){
1198  
1199 <    for( j=0; j<components_nmol[i]; j++ ){
1199 > void SimSetup::makeSysArrays( void ){
1200 >  int i, j, k;
1201  
963 #ifdef IS_MPI
964      if( mpiSim->getMyMolStart() <= molIndex &&
965          molIndex <= mpiSim->getMyMolEnd() ){
966 #endif // is_mpi        
1202  
1203 <        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 <          }
1203 >  // create the atom and short range interaction arrays
1204  
1205 +  Atom::createArrays(info->n_atoms);
1206 +  the_atoms = new Atom*[info->n_atoms];
1207 +  the_molecules = new Molecule[info->n_mol];
1208 +  int molIndex;
1209  
1210 < #ifdef IS_MPI
1210 >  // initialize the molecule's stampID's
1211  
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        
1212   #ifdef IS_MPI
1213 <      }
1064 < #endif //is_mpi
1213 >  
1214  
1215 +  molIndex = 0;
1216 +  for(i=0; i<mpiSim->getTotNmol(); i++){
1217 +    
1218 +    if(mol2proc[i] == worldRank ){
1219 +      the_molecules[molIndex].setStampID( molCompType[i] );
1220 +      the_molecules[molIndex].setMyIndex( molIndex );
1221 +      the_molecules[molIndex].setGlobalIndex( i );
1222        molIndex++;
1223      }
1224    }
1225  
1226 < #ifdef IS_MPI
1071 <  sprintf( checkPointMsg,
1072 <           "Successfully created the bends list.\n" );
1073 <  MPIcheckPoint();
1074 < #endif // is_mpi
1226 > #else // is_mpi
1227    
1228 +  molIndex = 0;
1229 +  globalAtomIndex = 0;
1230 +  for(i=0; i<n_components; i++){
1231 +    for(j=0; j<components_nmol[i]; j++ ){
1232 +      the_molecules[molIndex].setStampID( i );
1233 +      the_molecules[molIndex].setMyIndex( molIndex );
1234 +      the_molecules[molIndex].setGlobalIndex( molIndex );
1235 +      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1236 +        info->molMembershipArray[globalAtomIndex] = molIndex;
1237 +        globalAtomIndex++;
1238 +      }
1239 +      molIndex++;
1240 +    }
1241 +  }
1242 +    
1243  
1244 <  the_ff->initializeBends( the_bends );
1078 < }
1244 > #endif // is_mpi
1245  
1080 void SimSetup::makeTorsions( void ){
1246  
1247 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
1248 <  torsion_set* the_torsions;
1249 <  TorsionStamp* current_torsion;
1247 >  if( info->n_SRI ){
1248 >    
1249 >    Exclude::createArray(info->n_SRI);
1250 >    the_excludes = new Exclude*[info->n_SRI];
1251 >    for( int ex=0; ex<info->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
1252 >    info->globalExcludes = new int;
1253 >    info->n_exclude = info->n_SRI;
1254 >  }
1255 >  else{
1256 >    
1257 >    Exclude::createArray( 1 );
1258 >    the_excludes = new Exclude*;
1259 >    the_excludes[0] = new Exclude(0);
1260 >    the_excludes[0]->setPair( 0,0 );
1261 >    info->globalExcludes = new int;
1262 >    info->globalExcludes[0] = 0;
1263 >    info->n_exclude = 0;
1264 >  }
1265  
1266 <  the_torsions = new torsion_set[tot_torsions];
1087 <  index = 0;
1088 <  offset = 0;
1089 <  molIndex = 0;
1090 <  for( i=0; i<n_components; i++ ){
1266 >  // set the arrays into the SimInfo object
1267  
1268 <    for( j=0; j<components_nmol[i]; j++ ){
1268 >  info->atoms = the_atoms;
1269 >  info->molecules = the_molecules;
1270 >  info->nGlobalExcludes = 0;
1271 >  info->excludes = the_excludes;
1272  
1273 < #ifdef IS_MPI
1095 <      if( mpiSim->getMyMolStart() <= molIndex &&
1096 <          molIndex <= mpiSim->getMyMolEnd() ){
1097 < #endif // is_mpi        
1273 >  the_ff->setSimInfo( info );
1274  
1275 <      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
1275 > }
1276  
1277 <        current_torsion = comp_stamps[i]->getTorsion( k );
1102 <        the_torsions[index].a = current_torsion->getA() + offset;
1103 <        the_torsions[index].b = current_torsion->getB() + offset;
1104 <        the_torsions[index].c = current_torsion->getC() + offset;
1105 <        the_torsions[index].d = current_torsion->getD() + offset;
1277 > void SimSetup::makeIntegrator( void ){
1278  
1279 <        exI = the_torsions[index].a;
1280 <        exJ = the_torsions[index].d;
1279 >  NVT*  myNVT = NULL;
1280 >  NPTi* myNPTi = NULL;
1281 >  NPTf* myNPTf = NULL;
1282 >  NPTim* myNPTim = NULL;
1283 >  NPTfm* myNPTfm = NULL;
1284  
1285 <        
1111 <        // exclude_I must always be the smaller of the pair
1112 <        if( exI > exJ ){
1113 <          tempEx = exI;
1114 <          exI = exJ;
1115 <          exJ = tempEx;
1116 <        }
1285 >  switch( ensembleCase ){
1286  
1287 +  case NVE_ENS:
1288 +    new NVE( info, the_ff );
1289 +    break;
1290  
1291 < #ifdef IS_MPI
1292 <        
1293 <        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 <        
1291 >  case NVT_ENS:
1292 >    myNVT = new NVT( info, the_ff );
1293 >    myNVT->setTargetTemp(globals->getTargetTemp());
1294  
1295 <        // increment the index and repeat;
1296 <        index++;
1136 <      }
1137 <      offset += comp_stamps[i]->getNAtoms();
1295 >    if (globals->haveTauThermostat())
1296 >      myNVT->setTauThermostat(globals->getTauThermostat());
1297  
1298 < #ifdef IS_MPI
1299 <      }
1300 < #endif //is_mpi      
1301 <
1302 <      molIndex++;
1298 >    else {
1299 >      sprintf( painCave.errMsg,
1300 >               "SimSetup error: If you use the NVT\n"
1301 >               "    ensemble, you must set tauThermostat.\n");
1302 >      painCave.isFatal = 1;
1303 >      simError();
1304      }
1305 <  }
1305 >    break;
1306  
1307 <  the_ff->initializeTorsions( the_torsions );
1308 < }
1307 >  case NPTi_ENS:
1308 >    myNPTi = new NPTi( info, the_ff );
1309 >    myNPTi->setTargetTemp( globals->getTargetTemp() );
1310  
1311 < void SimSetup::initFromBass( void ){
1311 >    if (globals->haveTargetPressure())
1312 >      myNPTi->setTargetPressure(globals->getTargetPressure());
1313 >    else {
1314 >      sprintf( painCave.errMsg,
1315 >               "SimSetup error: If you use a constant pressure\n"
1316 >               "    ensemble, you must set targetPressure in the BASS file.\n");
1317 >      painCave.isFatal = 1;
1318 >      simError();
1319 >    }
1320 >    
1321 >    if( globals->haveTauThermostat() )
1322 >      myNPTi->setTauThermostat( globals->getTauThermostat() );
1323 >    else{
1324 >      sprintf( painCave.errMsg,
1325 >               "SimSetup error: If you use an NPT\n"
1326 >               "    ensemble, you must set tauThermostat.\n");
1327 >      painCave.isFatal = 1;
1328 >      simError();
1329 >    }
1330  
1331 <  int i, j, k;
1332 <  int n_cells;
1333 <  double cellx, celly, cellz;
1334 <  double temp1, temp2, temp3;
1335 <  int n_per_extra;
1336 <  int n_extra;
1337 <  int have_extra, done;
1331 >    if( globals->haveTauBarostat() )
1332 >      myNPTi->setTauBarostat( globals->getTauBarostat() );
1333 >    else{
1334 >      sprintf( painCave.errMsg,
1335 >               "SimSetup error: If you use an NPT\n"
1336 >               "    ensemble, you must set tauBarostat.\n");
1337 >      painCave.isFatal = 1;
1338 >      simError();
1339 >    }
1340 >    break;
1341  
1342 <  temp1 = (double)tot_nmol / 4.0;
1343 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1344 <  temp3 = ceil( temp2 );
1342 >  case NPTf_ENS:
1343 >    myNPTf = new NPTf( info, the_ff );
1344 >    myNPTf->setTargetTemp( globals->getTargetTemp());
1345  
1346 <  have_extra =0;
1347 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1348 <    have_extra =1;
1346 >    if (globals->haveTargetPressure())
1347 >      myNPTf->setTargetPressure(globals->getTargetPressure());
1348 >    else {
1349 >      sprintf( painCave.errMsg,
1350 >               "SimSetup error: If you use a constant pressure\n"
1351 >               "    ensemble, you must set targetPressure in the BASS file.\n");
1352 >      painCave.isFatal = 1;
1353 >      simError();
1354 >    }    
1355  
1356 <    n_cells = (int)temp3 - 1;
1357 <    cellx = simnfo->box_x / temp3;
1358 <    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){
1356 >    if( globals->haveTauThermostat() )
1357 >      myNPTf->setTauThermostat( globals->getTauThermostat() );
1358 >    else{
1359        sprintf( painCave.errMsg,
1360 <               "SimSetup error. There has been an error in constructing"
1361 <               " the non-complete lattice.\n" );
1360 >               "SimSetup error: If you use an NPT\n"
1361 >               "    ensemble, you must set tauThermostat.\n");
1362        painCave.isFatal = 1;
1363        simError();
1364      }
1183  }
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  }
1365  
1366 <  current_mol = 0;
1367 <  current_comp_mol = 0;
1368 <  current_comp = 0;
1369 <  current_atom_ndx = 0;
1370 <
1371 <  for( i=0; i < n_cells ; i++ ){
1372 <    for( j=0; j < n_cells; j++ ){
1373 <      for( k=0; k < n_cells; k++ ){
1374 <
1375 <        makeElement( i * cellx,
1376 <                     j * celly,
1377 <                     k * cellz );
1366 >    if( globals->haveTauBarostat() )
1367 >      myNPTf->setTauBarostat( globals->getTauBarostat() );
1368 >    else{
1369 >      sprintf( painCave.errMsg,
1370 >               "SimSetup error: If you use an NPT\n"
1371 >               "    ensemble, you must set tauBarostat.\n");
1372 >      painCave.isFatal = 1;
1373 >      simError();
1374 >    }
1375 >    break;
1376 >    
1377 >  case NPTim_ENS:
1378 >    myNPTim = new NPTim( info, the_ff );
1379 >    myNPTim->setTargetTemp( globals->getTargetTemp());
1380  
1381 <        makeElement( i * cellx + 0.5 * cellx,
1382 <                     j * celly + 0.5 * celly,
1383 <                     k * cellz );
1381 >    if (globals->haveTargetPressure())
1382 >      myNPTim->setTargetPressure(globals->getTargetPressure());
1383 >    else {
1384 >      sprintf( painCave.errMsg,
1385 >               "SimSetup error: If you use a constant pressure\n"
1386 >               "    ensemble, you must set targetPressure in the BASS file.\n");
1387 >      painCave.isFatal = 1;
1388 >      simError();
1389 >    }
1390 >    
1391 >    if( globals->haveTauThermostat() )
1392 >      myNPTim->setTauThermostat( globals->getTauThermostat() );
1393 >    else{
1394 >      sprintf( painCave.errMsg,
1395 >               "SimSetup error: If you use an NPT\n"
1396 >               "    ensemble, you must set tauThermostat.\n");
1397 >      painCave.isFatal = 1;
1398 >      simError();
1399 >    }
1400  
1401 <        makeElement( i * cellx,
1402 <                     j * celly + 0.5 * celly,
1403 <                     k * cellz + 0.5 * cellz );
1404 <
1405 <        makeElement( i * cellx + 0.5 * cellx,
1406 <                     j * celly,
1407 <                     k * cellz + 0.5 * cellz );
1408 <      }
1401 >    if( globals->haveTauBarostat() )
1402 >      myNPTim->setTauBarostat( globals->getTauBarostat() );
1403 >    else{
1404 >      sprintf( painCave.errMsg,
1405 >               "SimSetup error: If you use an NPT\n"
1406 >               "    ensemble, you must set tauBarostat.\n");
1407 >      painCave.isFatal = 1;
1408 >      simError();
1409      }
1410 <  }
1410 >    break;
1411  
1412 <  if( have_extra ){
1413 <    done = 0;
1412 >  case NPTfm_ENS:
1413 >    myNPTfm = new NPTfm( info, the_ff );
1414 >    myNPTfm->setTargetTemp( globals->getTargetTemp());
1415  
1416 <    int start_ndx;
1417 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1418 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1419 <
1420 <        if( i < n_cells ){
1421 <
1422 <          if( j < n_cells ){
1423 <            start_ndx = n_cells;
1230 <          }
1231 <          else start_ndx = 0;
1232 <        }
1233 <        else start_ndx = 0;
1234 <
1235 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1236 <
1237 <          makeElement( i * cellx,
1238 <                       j * celly,
1239 <                       k * cellz );
1240 <          done = ( current_mol >= tot_nmol );
1241 <
1242 <          if( !done && n_per_extra > 1 ){
1243 <            makeElement( i * cellx + 0.5 * cellx,
1244 <                         j * celly + 0.5 * celly,
1245 <                         k * cellz );
1246 <            done = ( current_mol >= tot_nmol );
1247 <          }
1248 <
1249 <          if( !done && n_per_extra > 2){
1250 <            makeElement( i * cellx,
1251 <                         j * celly + 0.5 * celly,
1252 <                         k * cellz + 0.5 * cellz );
1253 <            done = ( current_mol >= tot_nmol );
1254 <          }
1255 <
1256 <          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 <      }
1416 >    if (globals->haveTargetPressure())
1417 >      myNPTfm->setTargetPressure(globals->getTargetPressure());
1418 >    else {
1419 >      sprintf( painCave.errMsg,
1420 >               "SimSetup error: If you use a constant pressure\n"
1421 >               "    ensemble, you must set targetPressure in the BASS file.\n");
1422 >      painCave.isFatal = 1;
1423 >      simError();
1424      }
1425 <  }
1425 >    
1426 >    if( globals->haveTauThermostat() )
1427 >      myNPTfm->setTauThermostat( globals->getTauThermostat() );
1428 >    else{
1429 >      sprintf( painCave.errMsg,
1430 >               "SimSetup error: If you use an NPT\n"
1431 >               "    ensemble, you must set tauThermostat.\n");
1432 >      painCave.isFatal = 1;
1433 >      simError();
1434 >    }
1435  
1436 <
1437 <  for( i=0; i<simnfo->n_atoms; i++ ){
1438 <    simnfo->atoms[i]->set_vx( 0.0 );
1270 <    simnfo->atoms[i]->set_vy( 0.0 );
1271 <    simnfo->atoms[i]->set_vz( 0.0 );
1272 <  }
1273 < }
1274 <
1275 < void SimSetup::makeElement( double x, double y, double z ){
1276 <
1277 <  int k;
1278 <  AtomStamp* current_atom;
1279 <  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() ){
1436 >    if( globals->haveTauBarostat() )
1437 >      myNPTfm->setTauBarostat( globals->getTauBarostat() );
1438 >    else{
1439        sprintf( painCave.errMsg,
1440 <               "SimSetup:initFromBass error.\n"
1441 <               "\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() );
1440 >               "SimSetup error: If you use an NPT\n"
1441 >               "    ensemble, you must set tauBarostat.\n");
1442        painCave.isFatal = 1;
1443        simError();
1444      }
1445 +    break;
1446  
1447 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1448 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1449 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1447 >  default:
1448 >    sprintf( painCave.errMsg,
1449 >             "SimSetup Error. Unrecognized ensemble in case statement.\n");
1450 >    painCave.isFatal = 1;
1451 >    simError();
1452 >  }
1453  
1454 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1454 > }
1455  
1456 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1456 > void SimSetup::initFortran( void ){
1457  
1458 <      rotMat[0][0] = 1.0;
1459 <      rotMat[0][1] = 0.0;
1460 <      rotMat[0][2] = 0.0;
1461 <
1309 <      rotMat[1][0] = 0.0;
1310 <      rotMat[1][1] = 1.0;
1311 <      rotMat[1][2] = 0.0;
1312 <
1313 <      rotMat[2][0] = 0.0;
1314 <      rotMat[2][1] = 0.0;
1315 <      rotMat[2][2] = 1.0;
1316 <
1317 <      dAtom->setA( rotMat );
1318 <    }
1319 <
1320 <    current_atom_ndx++;
1458 >  info->refreshSim();
1459 >  
1460 >  if( !strcmp( info->mixingRule, "standard") ){
1461 >    the_ff->initForceField( LB_MIXING_RULE );
1462    }
1463 +  else if( !strcmp( info->mixingRule, "explicit") ){
1464 +    the_ff->initForceField( EXPLICIT_MIXING_RULE );
1465 +  }
1466 +  else{
1467 +    sprintf( painCave.errMsg,
1468 +             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1469 +             info->mixingRule );
1470 +    painCave.isFatal = 1;
1471 +    simError();
1472 +  }
1473  
1323  current_mol++;
1324  current_comp_mol++;
1474  
1475 <  if( current_comp_mol >= components_nmol[current_comp] ){
1475 > #ifdef IS_MPI
1476 >  strcpy( checkPointMsg,
1477 >          "Successfully intialized the mixingRule for Fortran." );
1478 >  MPIcheckPoint();
1479 > #endif // is_mpi
1480  
1328    current_comp_mol = 0;
1329    current_comp++;
1330  }
1481   }

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