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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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branches/mmeineke/OOPSE/libmdtools/SimSetup.cpp (file contents), Revision 377 by mmeineke, Fri Mar 21 17:42:12 2003 UTC vs.
trunk/OOPSE/libmdtools/SimSetup.cpp (file contents), Revision 707 by mmeineke, Wed Aug 20 19:42:31 2003 UTC

# Line 1 | Line 1
1 + #include <algorithm>
2   #include <cstdlib>
3   #include <iostream>
4   #include <cmath>
5 + #include <string>
6  
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# Line 12 | Line 15 | SimSetup::SimSetup(){
15   #include "mpiSimulation.hpp"
16   #endif
17  
18 + // some defines for ensemble and Forcefield  cases
19 +
20 + #define NVE_ENS        0
21 + #define NVT_ENS        1
22 + #define NPTi_ENS       2
23 + #define NPTf_ENS       3
24 + #define NPTim_ENS      4
25 + #define NPTfm_ENS      5
26 +
27 + #define FF_DUFF 0
28 + #define FF_LJ   1
29 + #define FF_EAM  2
30 +
31 + using namespace std;
32 +
33   SimSetup::SimSetup(){
34 +  
35 +  isInfoArray = 0;
36 +  nInfo = 1;
37 +  
38    stamps = new MakeStamps();
39    globals = new Globals();
40    
41 +  
42   #ifdef IS_MPI
43    strcpy( checkPointMsg, "SimSetup creation successful" );
44    MPIcheckPoint();
# Line 27 | Line 50 | void SimSetup::parseFile( char* fileName ){
50    delete globals;
51   }
52  
53 + void SimSetup::setSimInfo( SimInfo* the_info, int theNinfo ) {
54 +    info = the_info;
55 +    nInfo = theNinfo;
56 +    isInfoArray = 1;
57 + }
58 +
59 +
60   void SimSetup::parseFile( char* fileName ){
61  
62   #ifdef IS_MPI
# Line 62 | Line 92 | void SimSetup::createSim( void ){
92  
93   #endif // is_mpi
94  
95 < void SimSetup::createSim( void ){
95 > void SimSetup::createSim(void){
96  
97 <  MakeStamps *the_stamps;
98 <  Globals* the_globals;
99 <  int i, j;
97 >  int i, j, k, globalAtomIndex;
98 >  
99 >  // gather all of the information from the Bass file
100  
101 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
101 >  gatherInfo();
102  
103 <  // set the easy ones first
76 <  simnfo->target_temp = the_globals->getTargetTemp();
77 <  simnfo->dt = the_globals->getDt();
78 <  simnfo->run_time = the_globals->getRunTime();
103 >  // creation of complex system objects
104  
105 <  // get the ones we know are there, yet still may need some work.
81 <  n_components = the_globals->getNComponents();
82 <  strcpy( force_field, the_globals->getForceField() );
83 <  strcpy( ensemble, the_globals->getEnsemble() );
84 <  strcpy( simnfo->ensemble, ensemble );
105 >  sysObjectsCreation();
106  
107 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
107 >  // check on the post processing info
108  
109 +  finalInfoCheck();
110  
111 <  if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
92 <  else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
93 <  else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
94 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
95 <  else{
96 <    sprintf( painCave.errMsg,
97 <             "SimSetup Error. Unrecognized force field -> %s\n",
98 <             force_field );
99 <    painCave.isFatal = 1;
100 <    simError();
101 <  }
111 >  // initialize the system coordinates
112  
113 +  if( !isInfoArray ) initSystemCoords();  
114 +
115 +  // make the output filenames
116 +
117 +  makeOutNames();
118 +  
119 +  // make the integrator
120 +  
121 +  makeIntegrator();
122 +  
123   #ifdef IS_MPI
124 <  strcpy( checkPointMsg, "ForceField creation successful" );
125 <  MPIcheckPoint();
106 < #endif // is_mpi
124 >  mpiSim->mpiRefresh();
125 > #endif
126  
127 +  // initialize the Fortran
128 +
129 +  initFortran();
130 +
131 +
132 +
133 + }
134 +
135 +
136 + void SimSetup::makeMolecules( void ){
137 +
138 +  int k,l;
139 +  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
140 +  molInit molInfo;
141 +  DirectionalAtom* dAtom;
142 +  LinkedAssign* extras;
143 +  LinkedAssign* current_extra;
144 +  AtomStamp* currentAtom;
145 +  BondStamp* currentBond;
146 +  BendStamp* currentBend;
147 +  TorsionStamp* currentTorsion;
148 +
149 +  bond_pair* theBonds;
150 +  bend_set* theBends;
151 +  torsion_set* theTorsions;
152 +
153    
154 +  //init the forceField paramters
155  
156 <  // 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];
156 >  the_ff->readParams();
157  
158 <  if( !the_globals->haveNMol() ){
159 <    // we don't have the total number of molecules, so we assume it is
117 <    // given in each component
158 >  
159 >  // init the atoms
160  
161 <    tot_nmol = 0;
162 <    for( i=0; i<n_components; i++ ){
161 >  double ux, uy, uz, u, uSqr;
162 >  
163 >  for(k=0; k<nInfo; k++){
164 >    
165 >    the_ff->setSimInfo( &(info[k]) );
166  
167 <      if( !the_components[i]->haveNMol() ){
168 <        // we have a problem
169 <        sprintf( painCave.errMsg,
170 <                 "SimSetup Error. No global NMol or component NMol"
171 <                 " given. Cannot calculate the number of atoms.\n" );
127 <        painCave.isFatal = 1;
128 <        simError();
129 <      }
167 >    atomOffset = 0;
168 >    excludeOffset = 0;
169 >    for(i=0; i<info[k].n_mol; i++){
170 >    
171 >      stampID = info[k].molecules[i].getStampID();
172  
173 <      tot_nmol += the_components[i]->getNMol();
174 <      components_nmol[i] = the_components[i]->getNMol();
175 <    }
176 <  }
177 <  else{
178 <    sprintf( painCave.errMsg,
179 <             "SimSetup error.\n"
180 <             "\tSorry, the ability to specify total"
181 <             " nMols and then give molfractions in the components\n"
182 <             "\tis not currently supported."
183 <             " Please give nMol in the components.\n" );
184 <    painCave.isFatal = 1;
185 <    simError();
173 >      molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
174 >      molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
175 >      molInfo.nBends    = comp_stamps[stampID]->getNBends();
176 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
177 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
178 >      
179 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
180 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
181 >      molInfo.myBonds = new Bond*[molInfo.nBonds];
182 >      molInfo.myBends = new Bend*[molInfo.nBends];
183 >      molInfo.myTorsions = new Torsion*[molInfo.nTorsions];
184 >
185 >      theBonds = new bond_pair[molInfo.nBonds];
186 >      theBends = new bend_set[molInfo.nBends];
187 >      theTorsions = new torsion_set[molInfo.nTorsions];
188      
189 +      // make the Atoms
190      
191 <    //     tot_nmol = the_globals->getNMol();
191 >      for(j=0; j<molInfo.nAtoms; j++){
192 >  
193 >  currentAtom = comp_stamps[stampID]->getAtom( j );
194 >  if( currentAtom->haveOrientation() ){
195      
196 <    //   //we have the total number of molecules, now we check for molfractions
197 <    //     for( i=0; i<n_components; i++ ){
196 >    dAtom = new DirectionalAtom( (j + atomOffset),
197 >               info[k].getConfiguration() );
198 >    info[k].n_oriented++;
199 >    molInfo.myAtoms[j] = dAtom;
200      
201 <    //       if( !the_components[i]->haveMolFraction() ){
201 >    ux = currentAtom->getOrntX();
202 >    uy = currentAtom->getOrntY();
203 >    uz = currentAtom->getOrntZ();
204      
205 <    //  if( !the_components[i]->haveNMol() ){
154 <    //    //we have a problem
155 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
156 <    //              << " nMol was given in component
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 <
216 >  else{
217 >    molInfo.myAtoms[j] = new GeneralAtom( (j + atomOffset),
218 >            info[k].getConfiguration() );
219 >  }
220 >  molInfo.myAtoms[j]->setType( currentAtom->getType() );
221 >    
222   #ifdef IS_MPI
223 <  strcpy( checkPointMsg, "Have the number of components" );
224 <  MPIcheckPoint();
223 >      
224 >  molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
225 >      
226   #endif // is_mpi
227 <
165 <  // make an array of molecule stamps that match the components used.
166 <  // also extract the used stamps out into a separate linked list
167 <
168 <  simnfo->nComponents = n_components;
169 <  simnfo->componentsNmol = components_nmol;
170 <  simnfo->compStamps = comp_stamps;
171 <  simnfo->headStamp = new LinkedMolStamp();
172 <  
173 <  char* id;
174 <  LinkedMolStamp* headStamp = simnfo->headStamp;
175 <  LinkedMolStamp* currentStamp = NULL;
176 <  for( i=0; i<n_components; i++ ){
177 <
178 <    id = the_components[i]->getType();
179 <    comp_stamps[i] = NULL;
227 >      }
228      
229 <    // check to make sure the component isn't already in the list
230 <
183 <    comp_stamps[i] = headStamp->match( id );
184 <    if( comp_stamps[i] == NULL ){
229 >    // make the bonds
230 >      for(j=0; j<molInfo.nBonds; j++){
231        
232 <      // extract the component from the list;
232 >  currentBond = comp_stamps[stampID]->getBond( j );
233 >  theBonds[j].a = currentBond->getA() + atomOffset;
234 >  theBonds[j].b = currentBond->getB() + atomOffset;
235 >  
236 >  exI = theBonds[j].a;
237 >  exJ = theBonds[j].b;
238 >  
239 >  // exclude_I must always be the smaller of the pair
240 >  if( exI > exJ ){
241 >    tempEx = exI;
242 >    exI = exJ;
243 >    exJ = tempEx;
244 >  }
245 > #ifdef IS_MPI
246 >  tempEx = exI;
247 >  exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
248 >  tempEx = exJ;
249 >  exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
250 >  
251 >  info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
252 > #else  // isn't MPI
253 >  
254 >  info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
255 > #endif  //is_mpi
256 >      }
257 >      excludeOffset += molInfo.nBonds;
258        
259 <      currentStamp = the_stamps->extractMolStamp( id );
260 <      if( currentStamp == NULL ){
261 <        sprintf( painCave.errMsg,
262 <                 "SimSetup error: Component \"%s\" was not found in the "
263 <                 "list of declared molecules\n",
264 <                 id );
265 <        painCave.isFatal = 1;
266 <        simError();
259 >      //make the bends
260 >      for(j=0; j<molInfo.nBends; j++){
261 >  
262 >  currentBend = comp_stamps[stampID]->getBend( j );
263 >  theBends[j].a = currentBend->getA() + atomOffset;
264 >  theBends[j].b = currentBend->getB() + atomOffset;
265 >  theBends[j].c = currentBend->getC() + atomOffset;
266 >  
267 >  if( currentBend->haveExtras() ){
268 >    
269 >    extras = currentBend->getExtras();
270 >    current_extra = extras;
271 >    
272 >    while( current_extra != NULL ){
273 >      if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
274 >        
275 >        switch( current_extra->getType() ){
276 >    
277 >        case 0:
278 >    theBends[j].ghost =
279 >      current_extra->getInt() + atomOffset;
280 >    theBends[j].isGhost = 1;
281 >    break;
282 >    
283 >        case 1:
284 >    theBends[j].ghost =
285 >      (int)current_extra->getDouble() + atomOffset;
286 >    theBends[j].isGhost = 1;
287 >    break;
288 >    
289 >        default:
290 >    sprintf( painCave.errMsg,
291 >       "SimSetup Error: ghostVectorSource was neither a "
292 >       "double nor an int.\n"
293 >       "-->Bend[%d] in %s\n",
294 >       j, comp_stamps[stampID]->getID() );
295 >    painCave.isFatal = 1;
296 >    simError();
297 >        }
298        }
299        
300 <      headStamp->add( currentStamp );
301 <      comp_stamps[i] = headStamp->match( id );
300 >      else{
301 >        
302 >        sprintf( painCave.errMsg,
303 >           "SimSetup Error: unhandled bend assignment:\n"
304 >           "    -->%s in Bend[%d] in %s\n",
305 >           current_extra->getlhs(),
306 >           j, comp_stamps[stampID]->getID() );
307 >        painCave.isFatal = 1;
308 >        simError();
309 >      }
310 >      
311 >      current_extra = current_extra->getNext();
312      }
313    }
202
203 #ifdef IS_MPI
204  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
205  MPIcheckPoint();
206 #endif // is_mpi
314    
315 <
209 <
210 <
211 <  // caclulate the number of atoms, bonds, bends and torsions
212 <
213 <  tot_atoms = 0;
214 <  tot_bonds = 0;
215 <  tot_bends = 0;
216 <  tot_torsions = 0;
217 <  for( i=0; i<n_components; i++ ){
315 >  if( !theBends[j].isGhost ){
316      
317 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
318 <    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();
317 >    exI = theBends[j].a;
318 >    exJ = theBends[j].c;
319    }
320 <
321 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
322 <
323 <  simnfo->n_atoms = tot_atoms;
324 <  simnfo->n_bonds = tot_bonds;
229 <  simnfo->n_bends = tot_bends;
230 <  simnfo->n_torsions = tot_torsions;
231 <  simnfo->n_SRI = tot_SRI;
232 <  simnfo->n_mol = tot_nmol;
233 <
320 >  else{
321 >    
322 >    exI = theBends[j].a;
323 >    exJ = theBends[j].b;
324 >  }
325    
326 +  // exclude_I must always be the smaller of the pair
327 +  if( exI > exJ ){
328 +    tempEx = exI;
329 +    exI = exJ;
330 +    exJ = tempEx;
331 +  }
332   #ifdef IS_MPI
333 <
334 <  // divide the molecules among processors here.
333 >  tempEx = exI;
334 >  exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
335 >  tempEx = exJ;
336 >  exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
337 >      
338 >  info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
339 > #else  // isn't MPI
340 >  info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
341 > #endif  //is_mpi
342 >      }
343 >      excludeOffset += molInfo.nBends;
344 >      
345 >      for(j=0; j<molInfo.nTorsions; j++){
346    
347 <  mpiSim = new mpiSimulation( simnfo );
347 >  currentTorsion = comp_stamps[stampID]->getTorsion( j );
348 >  theTorsions[j].a = currentTorsion->getA() + atomOffset;
349 >  theTorsions[j].b = currentTorsion->getB() + atomOffset;
350 >  theTorsions[j].c = currentTorsion->getC() + atomOffset;
351 >  theTorsions[j].d = currentTorsion->getD() + atomOffset;
352    
353 +  exI = theTorsions[j].a;
354 +  exJ = theTorsions[j].d;
355    
356 <
357 <  globalIndex = mpiSim->divideLabor();
358 <
359 <
360 <
361 <  // set up the local variables
356 >  // exclude_I must always be the smaller of the pair
357 >  if( exI > exJ ){
358 >    tempEx = exI;
359 >    exI = exJ;
360 >    exJ = tempEx;
361 >  }
362 > #ifdef IS_MPI
363 >  tempEx = exI;
364 >  exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
365 >  tempEx = exJ;
366 >  exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
367    
368 <  int localMol, allMol;
369 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
370 <  
371 <  allMol = 0;
372 <  localMol = 0;
373 <  local_atoms = 0;
374 <  local_bonds = 0;
375 <  local_bends = 0;
376 <  local_torsions = 0;
377 <  for( i=0; i<n_components; i++ ){
368 >  info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
369 > #else  // isn't MPI
370 >  info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
371 > #endif  //is_mpi
372 >      }
373 >      excludeOffset += molInfo.nTorsions;
374 >      
375 >      
376 >      // send the arrays off to the forceField for init.
377 >      
378 >      the_ff->initializeAtoms( molInfo.nAtoms, molInfo.myAtoms );
379 >      the_ff->initializeBonds( molInfo.nBonds, molInfo.myBonds, theBonds );
380 >      the_ff->initializeBends( molInfo.nBends, molInfo.myBends, theBends );
381 >      the_ff->initializeTorsions( molInfo.nTorsions, molInfo.myTorsions, theTorsions );
382 >      
383 >      
384 >      info[k].molecules[i].initialize( molInfo );
385  
260    for( j=0; j<components_nmol[i]; j++ ){
386        
387 <      if( mpiSim->getMyMolStart() <= allMol &&
388 <          allMol <= mpiSim->getMyMolEnd() ){
389 <        
390 <        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++;
387 >      atomOffset += molInfo.nAtoms;
388 >      delete[] theBonds;
389 >      delete[] theBends;
390 >      delete[] theTorsions;
391      }
392    }
274  local_SRI = local_bonds + local_bends + local_torsions;
393    
394 <
395 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
278 <  
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 <  }
288 <
289 <  simnfo->n_bonds = local_bonds;
290 <  simnfo->n_bends = local_bends;
291 <  simnfo->n_torsions = local_torsions;
292 <  simnfo->n_SRI = local_SRI;
293 <  simnfo->n_mol = localMol;
294 <
295 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
394 > #ifdef IS_MPI
395 >  sprintf( checkPointMsg, "all molecules initialized succesfully" );
396    MPIcheckPoint();
297  
298  
397   #endif // is_mpi
398    
399 +  // clean up the forcefield
400  
401 <  // create the atom and short range interaction arrays
401 >  the_ff->calcRcut();
402 >  the_ff->cleanMe();
403 >  
404 > }
405  
406 <  Atom::createArrays(simnfo->n_atoms);
305 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
406 > void SimSetup::initFromBass( void ){
407  
408 +  int i, j, k;
409 +  int n_cells;
410 +  double cellx, celly, cellz;
411 +  double temp1, temp2, temp3;
412 +  int n_per_extra;
413 +  int n_extra;
414 +  int have_extra, done;
415  
416 <  if( simnfo->n_SRI ){
417 <    the_sris = new SRI*[simnfo->n_SRI];
418 <    the_excludes = new int[2 * simnfo->n_SRI];
419 <    simnfo->globalExcludes = new int;
313 <    simnfo->n_exclude = tot_SRI;
314 <  }
315 <  else{
316 <    
317 <    the_excludes = new int[2];
318 <    the_excludes[0] = 0;
319 <    the_excludes[1] = 0;
320 <    simnfo->globalExcludes = new int;
321 <    simnfo->globalExcludes[0] = 0;
416 >  double vel[3];
417 >  vel[0] = 0.0;
418 >  vel[1] = 0.0;
419 >  vel[2] = 0.0;
420  
421 <    simnfo->n_exclude = 1;
422 <  }
421 >  temp1 = (double)tot_nmol / 4.0;
422 >  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
423 >  temp3 = ceil( temp2 );
424  
425 <  // set the arrays into the SimInfo object
425 >  have_extra =0;
426 >  if( temp2 < temp3 ){ // we have a non-complete lattice
427 >    have_extra =1;
428  
429 <  simnfo->atoms = the_atoms;
430 <  simnfo->sr_interactions = the_sris;
431 <  simnfo->nGlobalExcludes = 0;
432 <  simnfo->excludes = the_excludes;
429 >    n_cells = (int)temp3 - 1;
430 >    cellx = info[0].boxL[0] / temp3;
431 >    celly = info[0].boxL[1] / temp3;
432 >    cellz = info[0].boxL[2] / temp3;
433 >    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
434 >    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
435 >    n_per_extra = (int)ceil( temp1 );
436  
437 <
334 <  // get some of the tricky things that may still be in the globals
335 <
336 <  if( simnfo->n_dipoles ){
337 <
338 <    if( !the_globals->haveRRF() ){
437 >    if( n_per_extra > 4){
438        sprintf( painCave.errMsg,
439 <               "SimSetup Error, system has dipoles, but no rRF was set.\n");
439 >         "SimSetup error. There has been an error in constructing"
440 >         " the non-complete lattice.\n" );
441        painCave.isFatal = 1;
442        simError();
443      }
444 <    if( !the_globals->haveDielectric() ){
445 <      sprintf( painCave.errMsg,
446 <               "SimSetup Error, system has dipoles, but no"
447 <               " dielectric was set.\n" );
448 <      painCave.isFatal = 1;
449 <      simError();
350 <    }
351 <
352 <    simnfo->rRF        = the_globals->getRRF();
353 <    simnfo->dielectric = the_globals->getDielectric();
444 >  }
445 >  else{
446 >    n_cells = (int)temp3;
447 >    cellx = info[0].boxL[0] / temp3;
448 >    celly = info[0].boxL[1] / temp3;
449 >    cellz = info[0].boxL[2] / temp3;
450    }
451  
452 < #ifdef IS_MPI
453 <  strcpy( checkPointMsg, "rRf and dielectric check out" );
454 <  MPIcheckPoint();
455 < #endif // is_mpi
360 <  
361 <  if( the_globals->haveBox() ){
362 <    simnfo->box_x = the_globals->getBox();
363 <    simnfo->box_y = the_globals->getBox();
364 <    simnfo->box_z = the_globals->getBox();
365 <  }
366 <  else if( the_globals->haveDensity() ){
452 >  current_mol = 0;
453 >  current_comp_mol = 0;
454 >  current_comp = 0;
455 >  current_atom_ndx = 0;
456  
457 <    double vol;
458 <    vol = (double)tot_nmol / the_globals->getDensity();
459 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
371 <    simnfo->box_y = simnfo->box_x;
372 <    simnfo->box_z = simnfo->box_x;
373 <  }
374 <  else{
375 <    if( !the_globals->haveBoxX() ){
376 <      sprintf( painCave.errMsg,
377 <               "SimSetup error, no periodic BoxX size given.\n" );
378 <      painCave.isFatal = 1;
379 <      simError();
380 <    }
381 <    simnfo->box_x = the_globals->getBoxX();
457 >  for( i=0; i < n_cells ; i++ ){
458 >    for( j=0; j < n_cells; j++ ){
459 >      for( k=0; k < n_cells; k++ ){
460  
461 <    if( !the_globals->haveBoxY() ){
462 <      sprintf( painCave.errMsg,
463 <               "SimSetup error, no periodic BoxY size given.\n" );
464 <      painCave.isFatal = 1;
465 <      simError();
461 >  makeElement( i * cellx,
462 >         j * celly,
463 >         k * cellz );
464 >
465 >  makeElement( i * cellx + 0.5 * cellx,
466 >         j * celly + 0.5 * celly,
467 >         k * cellz );
468 >
469 >  makeElement( i * cellx,
470 >         j * celly + 0.5 * celly,
471 >         k * cellz + 0.5 * cellz );
472 >
473 >  makeElement( i * cellx + 0.5 * cellx,
474 >         j * celly,
475 >         k * cellz + 0.5 * cellz );
476 >      }
477      }
478 <    simnfo->box_y = the_globals->getBoxY();
478 >  }
479  
480 <    if( !the_globals->haveBoxZ() ){
481 <      sprintf( painCave.errMsg,
482 <               "SimSetup error, no periodic BoxZ size given.\n" );
483 <      painCave.isFatal = 1;
484 <      simError();
480 >  if( have_extra ){
481 >    done = 0;
482 >
483 >    int start_ndx;
484 >    for( i=0; i < (n_cells+1) && !done; i++ ){
485 >      for( j=0; j < (n_cells+1) && !done; j++ ){
486 >
487 >  if( i < n_cells ){
488 >
489 >    if( j < n_cells ){
490 >      start_ndx = n_cells;
491      }
492 <    simnfo->box_z = the_globals->getBoxZ();
492 >    else start_ndx = 0;
493    }
494 +  else start_ndx = 0;
495  
496 < #ifdef IS_MPI
401 <  strcpy( checkPointMsg, "Box size set up" );
402 <  MPIcheckPoint();
403 < #endif // is_mpi
496 >  for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
497  
498 +    makeElement( i * cellx,
499 +           j * celly,
500 +           k * cellz );
501 +    done = ( current_mol >= tot_nmol );
502  
503 <  // initialize the arrays
503 >    if( !done && n_per_extra > 1 ){
504 >      makeElement( i * cellx + 0.5 * cellx,
505 >       j * celly + 0.5 * celly,
506 >       k * cellz );
507 >      done = ( current_mol >= tot_nmol );
508 >    }
509  
510 <  the_ff->setSimInfo( simnfo );
510 >    if( !done && n_per_extra > 2){
511 >      makeElement( i * cellx,
512 >       j * celly + 0.5 * celly,
513 >       k * cellz + 0.5 * cellz );
514 >      done = ( current_mol >= tot_nmol );
515 >    }
516  
517 <  makeAtoms();
518 <  simnfo->identArray = new int[simnfo->n_atoms];
519 <  for(i=0; i<simnfo->n_atoms; i++){
520 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
517 >    if( !done && n_per_extra > 3){
518 >      makeElement( i * cellx + 0.5 * cellx,
519 >       j * celly,
520 >       k * cellz + 0.5 * cellz );
521 >      done = ( current_mol >= tot_nmol );
522 >    }
523    }
524 <  
525 <  if( tot_bonds ){
417 <    makeBonds();
524 >      }
525 >    }
526    }
527  
528 <  if( tot_bends ){
529 <    makeBends();
528 >  for( i=0; i<info[0].n_atoms; i++ ){
529 >    info[0].atoms[i]->setVel( vel );
530    }
531 + }
532  
533 <  if( tot_torsions ){
425 <    makeTorsions();
426 <  }
533 > void SimSetup::makeElement( double x, double y, double z ){
534  
535 +  int k;
536 +  AtomStamp* current_atom;
537 +  DirectionalAtom* dAtom;
538 +  double rotMat[3][3];
539 +  double pos[3];
540  
541 +  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
542  
543 +    current_atom = comp_stamps[current_comp]->getAtom( k );
544 +    if( !current_atom->havePosition() ){
545 +      sprintf( painCave.errMsg,
546 +         "SimSetup:initFromBass error.\n"
547 +         "\tComponent %s, atom %s does not have a position specified.\n"
548 +         "\tThe initialization routine is unable to give a start"
549 +         " position.\n",
550 +         comp_stamps[current_comp]->getID(),
551 +         current_atom->getType() );
552 +      painCave.isFatal = 1;
553 +      simError();
554 +    }
555 +    
556 +    pos[0] = x + current_atom->getPosX();
557 +    pos[1] = y + current_atom->getPosY();
558 +    pos[2] = z + current_atom->getPosZ();
559 +    
560 +    info[0].atoms[current_atom_ndx]->setPos( pos );
561  
562 +    if( info[0].atoms[current_atom_ndx]->isDirectional() ){
563  
564 +      dAtom = (DirectionalAtom *)info[0].atoms[current_atom_ndx];
565  
566 < if( the_globals->haveInitialConfig() ){
567 <
568 <     InitializeFromFile* fileInit;
436 < #ifdef IS_MPI // is_mpi
437 <     if( worldRank == 0 ){
438 < #endif //is_mpi
439 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
440 < #ifdef IS_MPI
441 <     }else fileInit = new InitializeFromFile( NULL );
442 < #endif
443 <   fileInit->read_xyz( simnfo ); // default velocities on
566 >      rotMat[0][0] = 1.0;
567 >      rotMat[0][1] = 0.0;
568 >      rotMat[0][2] = 0.0;
569  
570 <   delete fileInit;
571 < }
572 < else{
570 >      rotMat[1][0] = 0.0;
571 >      rotMat[1][1] = 1.0;
572 >      rotMat[1][2] = 0.0;
573  
574 < #ifdef IS_MPI
574 >      rotMat[2][0] = 0.0;
575 >      rotMat[2][1] = 0.0;
576 >      rotMat[2][2] = 1.0;
577  
578 <  // no init from bass
579 <  
453 <  sprintf( painCave.errMsg,
454 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
455 <  painCave.isFatal;
456 <  simError();
457 <  
458 < #else
578 >      dAtom->setA( rotMat );
579 >    }
580  
581 <  initFromBass();
581 >    current_atom_ndx++;
582 >  }
583  
584 +  current_mol++;
585 +  current_comp_mol++;
586  
587 < #endif
464 < }
587 >  if( current_comp_mol >= components_nmol[current_comp] ){
588  
589 < #ifdef IS_MPI
590 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
591 <  MPIcheckPoint();
592 < #endif // is_mpi
589 >    current_comp_mol = 0;
590 >    current_comp++;
591 >  }
592 > }
593  
594  
595 <  
596 <
474 <  
595 > void SimSetup::gatherInfo( void ){
596 >  int i,j,k;
597  
598 <  
599 < #ifdef IS_MPI
478 <  if( worldRank == 0 ){
479 < #endif // is_mpi
480 <    
481 <    if( the_globals->haveFinalConfig() ){
482 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
483 <    }
484 <    else{
485 <      strcpy( simnfo->finalName, inFileName );
486 <      char* endTest;
487 <      int nameLength = strlen( simnfo->finalName );
488 <      endTest = &(simnfo->finalName[nameLength - 5]);
489 <      if( !strcmp( endTest, ".bass" ) ){
490 <        strcpy( endTest, ".eor" );
491 <      }
492 <      else if( !strcmp( endTest, ".BASS" ) ){
493 <        strcpy( endTest, ".eor" );
494 <      }
495 <      else{
496 <        endTest = &(simnfo->finalName[nameLength - 4]);
497 <        if( !strcmp( endTest, ".bss" ) ){
498 <          strcpy( endTest, ".eor" );
499 <        }
500 <        else if( !strcmp( endTest, ".mdl" ) ){
501 <          strcpy( endTest, ".eor" );
502 <        }
503 <        else{
504 <          strcat( simnfo->finalName, ".eor" );
505 <        }
506 <      }
507 <    }
508 <    
509 <    // make the sample and status out names
510 <    
511 <    strcpy( simnfo->sampleName, inFileName );
512 <    char* endTest;
513 <    int nameLength = strlen( simnfo->sampleName );
514 <    endTest = &(simnfo->sampleName[nameLength - 5]);
515 <    if( !strcmp( endTest, ".bass" ) ){
516 <      strcpy( endTest, ".dump" );
517 <    }
518 <    else if( !strcmp( endTest, ".BASS" ) ){
519 <      strcpy( endTest, ".dump" );
520 <    }
521 <    else{
522 <      endTest = &(simnfo->sampleName[nameLength - 4]);
523 <      if( !strcmp( endTest, ".bss" ) ){
524 <        strcpy( endTest, ".dump" );
525 <      }
526 <      else if( !strcmp( endTest, ".mdl" ) ){
527 <        strcpy( endTest, ".dump" );
528 <      }
529 <      else{
530 <        strcat( simnfo->sampleName, ".dump" );
531 <      }
532 <    }
533 <    
534 <    strcpy( simnfo->statusName, inFileName );
535 <    nameLength = strlen( simnfo->statusName );
536 <    endTest = &(simnfo->statusName[nameLength - 5]);
537 <    if( !strcmp( endTest, ".bass" ) ){
538 <      strcpy( endTest, ".stat" );
539 <    }
540 <    else if( !strcmp( endTest, ".BASS" ) ){
541 <      strcpy( endTest, ".stat" );
542 <    }
543 <    else{
544 <      endTest = &(simnfo->statusName[nameLength - 4]);
545 <      if( !strcmp( endTest, ".bss" ) ){
546 <        strcpy( endTest, ".stat" );
547 <      }
548 <      else if( !strcmp( endTest, ".mdl" ) ){
549 <        strcpy( endTest, ".stat" );
550 <      }
551 <      else{
552 <        strcat( simnfo->statusName, ".stat" );
553 <      }
554 <    }
555 <    
556 < #ifdef IS_MPI
557 <  }
558 < #endif // is_mpi
559 <  
560 <  // set the status, sample, and themal kick times
561 <  
562 <  if( the_globals->haveSampleTime() ){
563 <    simnfo->sampleTime = the_globals->getSampleTime();
564 <    simnfo->statusTime = simnfo->sampleTime;
565 <    simnfo->thermalTime = simnfo->sampleTime;
566 <  }
567 <  else{
568 <    simnfo->sampleTime = the_globals->getRunTime();
569 <    simnfo->statusTime = simnfo->sampleTime;
570 <    simnfo->thermalTime = simnfo->sampleTime;
571 <  }
598 >  ensembleCase = -1;
599 >  ffCase = -1;
600  
601 <  if( the_globals->haveStatusTime() ){
574 <    simnfo->statusTime = the_globals->getStatusTime();
575 <  }
601 >  // set the easy ones first
602  
603 <  if( the_globals->haveThermalTime() ){
604 <    simnfo->thermalTime = the_globals->getThermalTime();
603 >  for( i=0; i<nInfo; i++){
604 >    info[i].target_temp = globals->getTargetTemp();
605 >    info[i].dt = globals->getDt();
606 >    info[i].run_time = globals->getRunTime();
607    }
608 +  n_components = globals->getNComponents();
609  
581  // check for the temperature set flag
610  
611 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
611 >  // get the forceField
612  
613 +  strcpy( force_field, globals->getForceField() );
614  
615 < //   // make the longe range forces and the integrator
615 >  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
616 >  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
617 >  else if( !strcasecmp( force_field, "EAM" )) ffCase = FF_EAM;
618 >  else{
619 >    sprintf( painCave.errMsg,
620 >       "SimSetup Error. Unrecognized force field -> %s\n",
621 >       force_field );
622 >    painCave.isFatal = 1;
623 >    simError();
624 >  }
625  
626 < //   new AllLong( simnfo );
626 >  // get the ensemble
627  
628 <  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
591 <  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
592 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
593 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
628 >  strcpy( ensemble, globals->getEnsemble() );
629  
630 +  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
631 +  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
632 +  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
633 +    ensembleCase = NPTi_ENS;
634 +  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
635 +  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
636 +  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
637 +  else{
638 +    sprintf( painCave.errMsg,
639 +       "SimSetup Warning. Unrecognized Ensemble -> %s, "
640 +             "reverting to NVE for this simulation.\n",
641 +       ensemble );
642 +    painCave.isFatal = 0;
643 +    simError();
644 +    strcpy( ensemble, "NVE" );
645 +    ensembleCase = NVE_ENS;
646 +  }  
647 +  
648 +  for(i=0; i<nInfo; i++){
649 +    
650 +    strcpy( info[i].ensemble, ensemble );
651  
652 +    // get the mixing rule
653  
654 <  // initialize the Fortran
654 >    strcpy( info[i].mixingRule, globals->getMixingRule() );
655 >    info[i].usePBC = globals->getPBC();
656 >  }
657    
658 <  simnfo->refreshSim();
659 <  
660 <  if( !strcmp( simnfo->mixingRule, "standard") ){
661 <    the_ff->initForceField( LB_MIXING_RULE );
658 >  // get the components and calculate the tot_nMol and indvidual n_mol
659 >
660 >  the_components = globals->getComponents();
661 >  components_nmol = new int[n_components];
662 >
663 >
664 >  if( !globals->haveNMol() ){
665 >    // we don't have the total number of molecules, so we assume it is
666 >    // given in each component
667 >
668 >    tot_nmol = 0;
669 >    for( i=0; i<n_components; i++ ){
670 >
671 >      if( !the_components[i]->haveNMol() ){
672 >  // we have a problem
673 >  sprintf( painCave.errMsg,
674 >     "SimSetup Error. No global NMol or component NMol"
675 >     " given. Cannot calculate the number of atoms.\n" );
676 >  painCave.isFatal = 1;
677 >  simError();
678 >      }
679 >
680 >      tot_nmol += the_components[i]->getNMol();
681 >      components_nmol[i] = the_components[i]->getNMol();
682 >    }
683    }
604  else if( !strcmp( simnfo->mixingRule, "explicit") ){
605    the_ff->initForceField( EXPLICIT_MIXING_RULE );
606  }
684    else{
685      sprintf( painCave.errMsg,
686 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
687 <             simnfo->mixingRule );
686 >       "SimSetup error.\n"
687 >       "\tSorry, the ability to specify total"
688 >       " nMols and then give molfractions in the components\n"
689 >       "\tis not currently supported."
690 >       " Please give nMol in the components.\n" );
691      painCave.isFatal = 1;
692      simError();
693    }
694  
695 +  // set the status, sample, and thermal kick times
696 +  
697 +  for(i=0; i<nInfo; i++){
698  
699 +    if( globals->haveSampleTime() ){
700 +      info[i].sampleTime = globals->getSampleTime();
701 +      info[i].statusTime = info[i].sampleTime;
702 +      info[i].thermalTime = info[i].sampleTime;
703 +    }
704 +    else{
705 +      info[i].sampleTime = globals->getRunTime();
706 +      info[i].statusTime = info[i].sampleTime;
707 +      info[i].thermalTime = info[i].sampleTime;
708 +    }
709 +    
710 +    if( globals->haveStatusTime() ){
711 +      info[i].statusTime = globals->getStatusTime();
712 +    }
713 +    
714 +    if( globals->haveThermalTime() ){
715 +      info[i].thermalTime = globals->getThermalTime();
716 +    }
717 +
718 +    // check for the temperature set flag
719 +
720 +    if( globals->haveTempSet() ) info[i].setTemp = globals->getTempSet();
721 +    
722 +    // get some of the tricky things that may still be in the globals
723 +    
724 +    double boxVector[3];
725 +    if( globals->haveBox() ){
726 +      boxVector[0] = globals->getBox();
727 +      boxVector[1] = globals->getBox();
728 +      boxVector[2] = globals->getBox();
729 +      
730 +      info[i].setBox( boxVector );
731 +    }
732 +    else if( globals->haveDensity() ){
733 +      
734 +      double vol;
735 +      vol = (double)tot_nmol / globals->getDensity();
736 +      boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
737 +      boxVector[1] = boxVector[0];
738 +      boxVector[2] = boxVector[0];
739 +      
740 +      info[i].setBox( boxVector );
741 +  }
742 +    else{
743 +      if( !globals->haveBoxX() ){
744 +  sprintf( painCave.errMsg,
745 +     "SimSetup error, no periodic BoxX size given.\n" );
746 +  painCave.isFatal = 1;
747 +  simError();
748 +      }
749 +      boxVector[0] = globals->getBoxX();
750 +      
751 +      if( !globals->haveBoxY() ){
752 +  sprintf( painCave.errMsg,
753 +     "SimSetup error, no periodic BoxY size given.\n" );
754 +  painCave.isFatal = 1;
755 +  simError();
756 +      }
757 +      boxVector[1] = globals->getBoxY();
758 +      
759 +      if( !globals->haveBoxZ() ){
760 +  sprintf( painCave.errMsg,
761 +     "SimSetup error, no periodic BoxZ size given.\n" );
762 +  painCave.isFatal = 1;
763 +  simError();
764 +      }
765 +      boxVector[2] = globals->getBoxZ();
766 +      
767 +      info[i].setBox( boxVector );
768 +    }
769 +
770 +  }
771 +    
772   #ifdef IS_MPI
773 <  strcpy( checkPointMsg,
618 <          "Successfully intialized the mixingRule for Fortran." );
773 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
774    MPIcheckPoint();
775   #endif // is_mpi
776 +
777   }
778  
623 void SimSetup::makeAtoms( void ){
779  
780 <  int i, j, k, index;
781 <  double ux, uy, uz, uSqr, u;
782 <  AtomStamp* current_atom;
780 > void SimSetup::finalInfoCheck( void ){
781 >  int index;
782 >  int usesDipoles;
783 >  int i;
784  
785 <  DirectionalAtom* dAtom;
786 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
787 <
788 <  lMolIndex = 0;
789 <  molIndex = 0;
790 <  index = 0;
791 <  for( i=0; i<n_components; i++ ){
792 <
793 <    for( j=0; j<components_nmol[i]; j++ ){
794 <
785 >  for(i=0; i<nInfo; i++){
786 >    // check electrostatic parameters
787 >    
788 >    index = 0;
789 >    usesDipoles = 0;
790 >    while( (index < info[i].n_atoms) && !usesDipoles ){
791 >      usesDipoles = (info[i].atoms[index])->hasDipole();
792 >      index++;
793 >    }
794 >    
795   #ifdef IS_MPI
796 <      if( mpiSim->getMyMolStart() <= molIndex &&
797 <          molIndex <= mpiSim->getMyMolEnd() ){
642 < #endif // is_mpi        
643 <
644 <        molStart = index;
645 <        nMemb = comp_stamps[i]->getNAtoms();
646 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
647 <          
648 <          current_atom = comp_stamps[i]->getAtom( k );
649 <          if( current_atom->haveOrientation() ){
650 <            
651 <            dAtom = new DirectionalAtom(index);
652 <            simnfo->n_oriented++;
653 <            the_atoms[index] = dAtom;
654 <            
655 <            ux = current_atom->getOrntX();
656 <            uy = current_atom->getOrntY();
657 <            uz = current_atom->getOrntZ();
658 <            
659 <            uSqr = (ux * ux) + (uy * uy) + (uz * uz);
660 <            
661 <            u = sqrt( uSqr );
662 <            ux = ux / u;
663 <            uy = uy / u;
664 <            uz = uz / u;
665 <            
666 <            dAtom->setSUx( ux );
667 <            dAtom->setSUy( uy );
668 <            dAtom->setSUz( uz );
669 <          }
670 <          else{
671 <            the_atoms[index] = new GeneralAtom(index);
672 <          }
673 <          the_atoms[index]->setType( current_atom->getType() );
674 <          the_atoms[index]->setIndex( index );
675 <          
676 <          // increment the index and repeat;
677 <          index++;
678 <        }
679 <        
680 <        molEnd = index -1;
681 <        the_molecules[lMolIndex].setNMembers( nMemb );
682 <        the_molecules[lMolIndex].setStartAtom( molStart );
683 <        the_molecules[lMolIndex].setEndAtom( molEnd );
684 <        the_molecules[lMolIndex].setStampID( i );
685 <        lMolIndex++;
686 <
687 < #ifdef IS_MPI
688 <      }
796 >    int myUse = usesDipoles;
797 >    MPI_Allreduce( &myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD );
798   #endif //is_mpi
799 +    
800 +    double theEcr, theEst;
801 +  
802 +    if (globals->getUseRF() ) {
803 +      info[i].useReactionField = 1;
804        
805 <      molIndex++;
806 <    }
805 >      if( !globals->haveECR() ){
806 >  sprintf( painCave.errMsg,
807 >     "SimSetup Warning: using default value of 1/2 the smallest "
808 >     "box length for the electrostaticCutoffRadius.\n"
809 >     "I hope you have a very fast processor!\n");
810 >  painCave.isFatal = 0;
811 >  simError();
812 >  double smallest;
813 >  smallest = info[i].boxL[0];
814 >  if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
815 >  if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
816 >  theEcr = 0.5 * smallest;
817 >      } else {
818 >  theEcr = globals->getECR();
819 >      }
820 >      
821 >      if( !globals->haveEST() ){
822 >  sprintf( painCave.errMsg,
823 >     "SimSetup Warning: using default value of 0.05 * the "
824 >     "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
825 >     );
826 >  painCave.isFatal = 0;
827 >  simError();
828 >  theEst = 0.05 * theEcr;
829 >      } else {
830 >  theEst= globals->getEST();
831 >      }
832 >      
833 >      info[i].setEcr( theEcr, theEst );
834 >      
835 >      if(!globals->haveDielectric() ){
836 >  sprintf( painCave.errMsg,
837 >     "SimSetup Error: You are trying to use Reaction Field without"
838 >     "setting a dielectric constant!\n"
839 >     );
840 >  painCave.isFatal = 1;
841 >  simError();
842 >      }
843 >      info[i].dielectric = globals->getDielectric();  
844 >    }
845 >    else {
846 >      if (usesDipoles) {
847 >  
848 >  if( !globals->haveECR() ){
849 >    sprintf( painCave.errMsg,
850 >       "SimSetup Warning: using default value of 1/2 the smallest "
851 >       "box length for the electrostaticCutoffRadius.\n"
852 >       "I hope you have a very fast processor!\n");
853 >    painCave.isFatal = 0;
854 >    simError();
855 >    double smallest;
856 >    smallest = info[i].boxL[0];
857 >    if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
858 >    if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
859 >    theEcr = 0.5 * smallest;
860 >  } else {
861 >    theEcr = globals->getECR();
862    }
863 +  
864 +  if( !globals->haveEST() ){
865 +    sprintf( painCave.errMsg,
866 +       "SimSetup Warning: using default value of 0.05 * the "
867 +       "electrostaticCutoffRadius for the "
868 +       "electrostaticSkinThickness\n"
869 +       );
870 +    painCave.isFatal = 0;
871 +    simError();
872 +    theEst = 0.05 * theEcr;
873 +  } else {
874 +    theEst= globals->getEST();
875 +  }
876 +  
877 +  info[i].setEcr( theEcr, theEst );
878 +      }
879 +    }  
880 +  }
881  
882   #ifdef IS_MPI
883 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
884 <    
885 <    delete[] globalIndex;
883 >  strcpy( checkPointMsg, "post processing checks out" );
884 >  MPIcheckPoint();
885 > #endif // is_mpi
886  
700    mpiSim->mpiRefresh();
701 #endif //IS_MPI
702          
703  the_ff->initializeAtoms();
887   }
888  
889 < void SimSetup::makeBonds( void ){
889 > void SimSetup::initSystemCoords( void ){
890 >  int i;
891 >  
892 >  char* inName;
893  
894 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
709 <  bond_pair* the_bonds;
710 <  BondStamp* current_bond;
894 >  (info[0].getConfiguration())->createArrays( info[0].n_atoms );
895  
896 <  the_bonds = new bond_pair[tot_bonds];
897 <  index = 0;
898 <  offset = 0;
899 <  molIndex = 0;
900 <
901 <  for( i=0; i<n_components; i++ ){
902 <
903 <    for( j=0; j<components_nmol[i]; j++ ){
904 <
896 >  for(i=0; i<info[0].n_atoms; i++) info[0].atoms[i]->setCoords();
897 >  
898 >  if( globals->haveInitialConfig() ){
899 >    
900 >    InitializeFromFile* fileInit;
901 > #ifdef IS_MPI // is_mpi
902 >    if( worldRank == 0 ){
903 > #endif //is_mpi
904 >      inName = globals->getInitialConfig();
905 >      double* tempDouble = new double[1000000];
906 >      fileInit = new InitializeFromFile( inName );
907   #ifdef IS_MPI
908 <      if( mpiSim->getMyMolStart() <= molIndex &&
909 <          molIndex <= mpiSim->getMyMolEnd() ){
910 < #endif // is_mpi        
911 <        
912 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
913 <          
914 <          current_bond = comp_stamps[i]->getBond( k );
915 <          the_bonds[index].a = current_bond->getA() + offset;
916 <          the_bonds[index].b = current_bond->getB() + offset;
908 >    }else fileInit = new InitializeFromFile( NULL );
909 > #endif
910 >    fileInit->readInit( info ); // default velocities on
911 >    
912 >    delete fileInit;
913 >  }
914 >  else{
915 >    
916 > #ifdef IS_MPI
917 >    
918 >    // no init from bass
919 >    
920 >    sprintf( painCave.errMsg,
921 >       "Cannot intialize a parallel simulation without an initial configuration file.\n" );
922 >    painCave.isFatal;
923 >    simError();
924 >    
925 > #else
926 >    
927 >    initFromBass();
928 >    
929 >    
930 > #endif
931 >  }
932 >  
933 > #ifdef IS_MPI
934 >  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
935 >  MPIcheckPoint();
936 > #endif // is_mpi
937 >  
938 > }
939  
732          exI = the_bonds[index].a;
733          exJ = the_bonds[index].b;
940  
941 <          // exclude_I must always be the smaller of the pair
942 <          if( exI > exJ ){
943 <            tempEx = exI;
738 <            exI = exJ;
739 <            exJ = tempEx;
740 <          }
941 > void SimSetup::makeOutNames( void ){
942 >  
943 >  int k;
944  
945 <          
946 < #ifdef IS_MPI
945 >  
946 >  for(k=0; k<nInfo; k++){
947  
745          the_excludes[index*2] =    
746            the_atoms[exI]->getGlobalIndex() + 1;
747          the_excludes[index*2 + 1] =
748            the_atoms[exJ]->getGlobalIndex() + 1;
749
750 #else  // isn't MPI
751          
752          the_excludes[index*2] =     exI + 1;
753          the_excludes[index*2 + 1] = exJ + 1;
754          // fortran index from 1 (hence the +1 in the indexing)
755 #endif  //is_mpi
756          
757          // increment the index and repeat;
758          index++;
759        }
760        offset += comp_stamps[i]->getNAtoms();
761        
948   #ifdef IS_MPI
949 +    if( worldRank == 0 ){
950 + #endif // is_mpi
951 +      
952 +      if( globals->haveFinalConfig() ){
953 +  strcpy( info[k].finalName, globals->getFinalConfig() );
954        }
955 < #endif //is_mpi
955 >      else{
956 >  strcpy( info[k].finalName, inFileName );
957 >  char* endTest;
958 >  int nameLength = strlen( info[k].finalName );
959 >  endTest = &(info[k].finalName[nameLength - 5]);
960 >  if( !strcmp( endTest, ".bass" ) ){
961 >    strcpy( endTest, ".eor" );
962 >  }
963 >  else if( !strcmp( endTest, ".BASS" ) ){
964 >    strcpy( endTest, ".eor" );
965 >  }
966 >  else{
967 >    endTest = &(info[k].finalName[nameLength - 4]);
968 >    if( !strcmp( endTest, ".bss" ) ){
969 >      strcpy( endTest, ".eor" );
970 >    }
971 >    else if( !strcmp( endTest, ".mdl" ) ){
972 >      strcpy( endTest, ".eor" );
973 >    }
974 >    else{
975 >      strcat( info[k].finalName, ".eor" );
976 >    }
977 >  }
978 >      }
979        
980 <      molIndex++;
981 <    }      
980 >      // make the sample and status out names
981 >      
982 >      strcpy( info[k].sampleName, inFileName );
983 >      char* endTest;
984 >      int nameLength = strlen( info[k].sampleName );
985 >      endTest = &(info[k].sampleName[nameLength - 5]);
986 >      if( !strcmp( endTest, ".bass" ) ){
987 >  strcpy( endTest, ".dump" );
988 >      }
989 >      else if( !strcmp( endTest, ".BASS" ) ){
990 >  strcpy( endTest, ".dump" );
991 >      }
992 >      else{
993 >  endTest = &(info[k].sampleName[nameLength - 4]);
994 >  if( !strcmp( endTest, ".bss" ) ){
995 >    strcpy( endTest, ".dump" );
996    }
997 <
998 <  the_ff->initializeBonds( the_bonds );
999 < }
1000 <
1001 < void SimSetup::makeBends( void ){
997 >  else if( !strcmp( endTest, ".mdl" ) ){
998 >    strcpy( endTest, ".dump" );
999 >  }
1000 >  else{
1001 >    strcat( info[k].sampleName, ".dump" );
1002 >  }
1003 >      }
1004 >      
1005 >      strcpy( info[k].statusName, inFileName );
1006 >      nameLength = strlen( info[k].statusName );
1007 >      endTest = &(info[k].statusName[nameLength - 5]);
1008 >      if( !strcmp( endTest, ".bass" ) ){
1009 >  strcpy( endTest, ".stat" );
1010 >      }
1011 >      else if( !strcmp( endTest, ".BASS" ) ){
1012 >  strcpy( endTest, ".stat" );
1013 >      }
1014 >      else{
1015 >  endTest = &(info[k].statusName[nameLength - 4]);
1016 >  if( !strcmp( endTest, ".bss" ) ){
1017 >    strcpy( endTest, ".stat" );
1018 >  }
1019 >  else if( !strcmp( endTest, ".mdl" ) ){
1020 >    strcpy( endTest, ".stat" );
1021 >  }
1022 >  else{
1023 >    strcat( info[k].statusName, ".stat" );
1024 >  }
1025 >      }
1026 >      
1027 > #ifdef IS_MPI
1028 >    }
1029 > #endif // is_mpi
1030 >  }
1031 > }
1032  
1033 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
1034 <  bend_set* the_bends;
777 <  BendStamp* current_bend;
778 <  LinkedAssign* extras;
779 <  LinkedAssign* current_extra;
1033 >
1034 > void SimSetup::sysObjectsCreation( void ){
1035    
1036 +  int i,k;
1037 +  
1038 +  // create the forceField
1039  
1040 <  the_bends = new bend_set[tot_bends];
783 <  index = 0;
784 <  offset = 0;
785 <  molIndex = 0;
786 <  for( i=0; i<n_components; i++ ){
1040 >  createFF();
1041  
1042 <    for( j=0; j<components_nmol[i]; j++ ){
1042 >  // extract componentList
1043  
1044 < #ifdef IS_MPI
791 <      if( mpiSim->getMyMolStart() <= molIndex &&
792 <          molIndex <= mpiSim->getMyMolEnd() ){
793 < #endif // is_mpi        
1044 >  compList();
1045  
1046 <        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
796 <          
797 <          current_bend = comp_stamps[i]->getBend( k );
798 <          the_bends[index].a = current_bend->getA() + offset;
799 <          the_bends[index].b = current_bend->getB() + offset;
800 <          the_bends[index].c = current_bend->getC() + offset;
801 <          
802 <          if( current_bend->haveExtras() ){
803 <            
804 <            extras = current_bend->getExtras();
805 <            current_extra = extras;
806 <            
807 <            while( current_extra != NULL ){
808 <              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
809 <                
810 <                switch( current_extra->getType() ){
811 <                  
812 <                case 0:
813 <                  the_bends[index].ghost =
814 <                    current_extra->getInt() + offset;
815 <                  the_bends[index].isGhost = 1;
816 <                  break;
817 <                  
818 <                case 1:
819 <                  the_bends[index].ghost =
820 <                    (int)current_extra->getDouble() + offset;
821 <                  the_bends[index].isGhost = 1;
822 <                  break;
823 <                  
824 <                default:
825 <                  sprintf( painCave.errMsg,
826 <                           "SimSetup Error: ghostVectorSource was neiter a "
827 <                           "double nor an int.\n"
828 <                           "-->Bend[%d] in %s\n",
829 <                           k, comp_stamps[i]->getID() );
830 <                  painCave.isFatal = 1;
831 <                  simError();
832 <                }
833 <              }
834 <              
835 <              else{
836 <                
837 <                sprintf( painCave.errMsg,
838 <                         "SimSetup Error: unhandled bend assignment:\n"
839 <                         "    -->%s in Bend[%d] in %s\n",
840 <                         current_extra->getlhs(),
841 <                         k, comp_stamps[i]->getID() );
842 <                painCave.isFatal = 1;
843 <                simError();
844 <              }
845 <              
846 <              current_extra = current_extra->getNext();
847 <            }
848 <          }
849 <          
850 <          if( !the_bends[index].isGhost ){
851 <            
852 <            exI = the_bends[index].a;
853 <            exJ = the_bends[index].c;
854 <          }
855 <          else{
856 <            
857 <            exI = the_bends[index].a;
858 <            exJ = the_bends[index].b;
859 <          }
860 <          
861 <          // exclude_I must always be the smaller of the pair
862 <          if( exI > exJ ){
863 <            tempEx = exI;
864 <            exI = exJ;
865 <            exJ = tempEx;
866 <          }
1046 >  // calc the number of atoms, bond, bends, and torsions
1047  
1048 +  calcSysValues();
1049  
1050   #ifdef IS_MPI
1051 <
1052 <          the_excludes[(index + tot_bonds)*2] =    
1053 <            the_atoms[exI]->getGlobalIndex() + 1;
873 <          the_excludes[(index + tot_bonds)*2 + 1] =
874 <            the_atoms[exJ]->getGlobalIndex() + 1;
875 <          
876 < #else  // isn't MPI
877 <          
878 <          the_excludes[(index + tot_bonds)*2] =     exI + 1;
879 <          the_excludes[(index + tot_bonds)*2 + 1] = exJ + 1;
880 <          // fortran index from 1 (hence the +1 in the indexing)
881 < #endif  //is_mpi
882 <          
883 <          
884 <          // increment the index and repeat;
885 <          index++;
886 <        }
887 <        offset += comp_stamps[i]->getNAtoms();
888 <        
889 < #ifdef IS_MPI
890 <      }
1051 >  // divide the molecules among the processors
1052 >  
1053 >  mpiMolDivide();
1054   #endif //is_mpi
1055 +  
1056 +  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1057 +
1058 +  makeSysArrays();
1059  
1060 <      molIndex++;
1060 >  // make and initialize the molecules (all but atomic coordinates)
1061 >
1062 >  makeMolecules();
1063 >  
1064 >  for(k=0; k<nInfo; k++){
1065 >    info[k].identArray = new int[info[k].n_atoms];
1066 >    for(i=0; i<info[k].n_atoms; i++){
1067 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1068      }
1069    }
1070 + }
1071  
897 #ifdef IS_MPI
898  sprintf( checkPointMsg,
899           "Successfully created the bends list.\n" );
900  MPIcheckPoint();
901 #endif // is_mpi
902  
1072  
1073 <  the_ff->initializeBends( the_bends );
905 < }
1073 > void SimSetup::createFF( void ){
1074  
1075 < void SimSetup::makeTorsions( void ){
1075 >  switch( ffCase ){
1076  
1077 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
1078 <  torsion_set* the_torsions;
1079 <  TorsionStamp* current_torsion;
1077 >  case FF_DUFF:
1078 >    the_ff = new DUFF();
1079 >    break;
1080  
1081 <  the_torsions = new torsion_set[tot_torsions];
1082 <  index = 0;
1083 <  offset = 0;
916 <  molIndex = 0;
917 <  for( i=0; i<n_components; i++ ){
1081 >  case FF_LJ:
1082 >    the_ff = new LJFF();
1083 >    break;
1084  
1085 <    for( j=0; j<components_nmol[i]; j++ ){
1085 >  case FF_EAM:
1086 >    the_ff = new EAM_FF();
1087 >    break;
1088  
1089 +  default:
1090 +    sprintf( painCave.errMsg,
1091 +       "SimSetup Error. Unrecognized force field in case statement.\n");
1092 +    painCave.isFatal = 1;
1093 +    simError();
1094 +  }
1095 +
1096   #ifdef IS_MPI
1097 <      if( mpiSim->getMyMolStart() <= molIndex &&
1098 <          molIndex <= mpiSim->getMyMolEnd() ){
1099 < #endif // is_mpi        
1097 >  strcpy( checkPointMsg, "ForceField creation successful" );
1098 >  MPIcheckPoint();
1099 > #endif // is_mpi
1100  
1101 <      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
1101 > }
1102  
928        current_torsion = comp_stamps[i]->getTorsion( k );
929        the_torsions[index].a = current_torsion->getA() + offset;
930        the_torsions[index].b = current_torsion->getB() + offset;
931        the_torsions[index].c = current_torsion->getC() + offset;
932        the_torsions[index].d = current_torsion->getD() + offset;
1103  
1104 <        exI = the_torsions[index].a;
935 <        exJ = the_torsions[index].d;
1104 > void SimSetup::compList( void ){
1105  
1106 <        
1107 <        // exclude_I must always be the smaller of the pair
1108 <        if( exI > exJ ){
1109 <          tempEx = exI;
1110 <          exI = exJ;
1111 <          exJ = tempEx;
1112 <        }
1106 >  int i;
1107 >  char* id;
1108 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1109 >  LinkedMolStamp* currentStamp = NULL;
1110 >  comp_stamps = new MoleculeStamp*[n_components];
1111 >  
1112 >  // make an array of molecule stamps that match the components used.
1113 >  // also extract the used stamps out into a separate linked list
1114 >  
1115 >  for(i=0; i<nInfo; i++){
1116 >    info[i].nComponents = n_components;
1117 >    info[i].componentsNmol = components_nmol;
1118 >    info[i].compStamps = comp_stamps;
1119 >    info[i].headStamp = headStamp;
1120 >  }
1121 >  
1122  
1123 +  for( i=0; i<n_components; i++ ){
1124  
1125 < #ifdef IS_MPI
1126 <        
1127 <        the_excludes[(index + tot_bonds + tot_bends)*2] =    
1128 <          the_atoms[exI]->getGlobalIndex() + 1;
950 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] =
951 <          the_atoms[exJ]->getGlobalIndex() + 1;
952 <        
953 < #else  // isn't MPI
954 <        
955 <        the_excludes[(index + tot_bonds + tot_bends)*2] =     exI + 1;
956 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] = exJ + 1;
957 <        // fortran indexes from 1 (hence the +1 in the indexing)
958 < #endif  //is_mpi
959 <        
1125 >    id = the_components[i]->getType();
1126 >    comp_stamps[i] = NULL;
1127 >    
1128 >    // check to make sure the component isn't already in the list
1129  
1130 <        // increment the index and repeat;
1131 <        index++;
1130 >    comp_stamps[i] = headStamp->match( id );
1131 >    if( comp_stamps[i] == NULL ){
1132 >      
1133 >      // extract the component from the list;
1134 >      
1135 >      currentStamp = stamps->extractMolStamp( id );
1136 >      if( currentStamp == NULL ){
1137 >  sprintf( painCave.errMsg,
1138 >     "SimSetup error: Component \"%s\" was not found in the "
1139 >     "list of declared molecules\n",
1140 >     id );
1141 >  painCave.isFatal = 1;
1142 >  simError();
1143        }
1144 <      offset += comp_stamps[i]->getNAtoms();
1144 >      
1145 >      headStamp->add( currentStamp );
1146 >      comp_stamps[i] = headStamp->match( id );
1147 >    }
1148 >  }
1149  
1150   #ifdef IS_MPI
1151 <      }
1152 < #endif //is_mpi      
1151 >  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1152 >  MPIcheckPoint();
1153 > #endif // is_mpi
1154  
970      molIndex++;
971    }
972  }
1155  
974  the_ff->initializeTorsions( the_torsions );
1156   }
1157  
1158 < void SimSetup::initFromBass( void ){
978 <
1158 > void SimSetup::calcSysValues( void ){
1159    int i, j, k;
1160 <  int n_cells;
1161 <  double cellx, celly, cellz;
1162 <  double temp1, temp2, temp3;
1163 <  int n_per_extra;
1164 <  int n_extra;
1165 <  int have_extra, done;
1166 <
1167 <  temp1 = (double)tot_nmol / 4.0;
1168 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1169 <  temp3 = ceil( temp2 );
1170 <
1171 <  have_extra =0;
1172 <  if( temp2 < temp3 ){ // we have a non-complete lattice
993 <    have_extra =1;
994 <
995 <    n_cells = (int)temp3 - 1;
996 <    cellx = simnfo->box_x / temp3;
997 <    celly = simnfo->box_y / temp3;
998 <    cellz = simnfo->box_z / temp3;
999 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1000 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1001 <    n_per_extra = (int)ceil( temp1 );
1002 <
1003 <    if( n_per_extra > 4){
1004 <      sprintf( painCave.errMsg,
1005 <               "SimSetup error. There has been an error in constructing"
1006 <               " the non-complete lattice.\n" );
1007 <      painCave.isFatal = 1;
1008 <      simError();
1009 <    }
1160 >  
1161 >  int *molMembershipArray;
1162 >  
1163 >  tot_atoms = 0;
1164 >  tot_bonds = 0;
1165 >  tot_bends = 0;
1166 >  tot_torsions = 0;
1167 >  for( i=0; i<n_components; i++ ){
1168 >    
1169 >    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
1170 >    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
1171 >    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
1172 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1173    }
1174 <  else{
1175 <    n_cells = (int)temp3;
1176 <    cellx = simnfo->box_x / temp3;
1177 <    celly = simnfo->box_y / temp3;
1178 <    cellz = simnfo->box_z / temp3;
1179 <  }
1174 >  
1175 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1176 >  molMembershipArray = new int[tot_atoms];
1177 >  
1178 >  for(i=0; i<nInfo; i++){
1179 >    info[i].n_atoms = tot_atoms;
1180 >    info[i].n_bonds = tot_bonds;
1181 >    info[i].n_bends = tot_bends;
1182 >    info[i].n_torsions = tot_torsions;
1183 >    info[i].n_SRI = tot_SRI;
1184 >    info[i].n_mol = tot_nmol;
1185 >    
1186 >    info[i].molMembershipArray = molMembershipArray;
1187 >  }
1188 > }
1189  
1190 <  current_mol = 0;
1019 <  current_comp_mol = 0;
1020 <  current_comp = 0;
1021 <  current_atom_ndx = 0;
1190 > #ifdef IS_MPI
1191  
1192 <  for( i=0; i < n_cells ; i++ ){
1193 <    for( j=0; j < n_cells; j++ ){
1194 <      for( k=0; k < n_cells; k++ ){
1192 > void SimSetup::mpiMolDivide( void ){
1193 >  
1194 >  int i, j, k;
1195 >  int localMol, allMol;
1196 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1197  
1198 <        makeElement( i * cellx,
1199 <                     j * celly,
1200 <                     k * cellz );
1198 >  mpiSim = new mpiSimulation( info );
1199 >  
1200 >  globalIndex = mpiSim->divideLabor();
1201  
1202 <        makeElement( i * cellx + 0.5 * cellx,
1203 <                     j * celly + 0.5 * celly,
1204 <                     k * cellz );
1202 >  // set up the local variables
1203 >  
1204 >  mol2proc = mpiSim->getMolToProcMap();
1205 >  molCompType = mpiSim->getMolComponentType();
1206 >  
1207 >  allMol = 0;
1208 >  localMol = 0;
1209 >  local_atoms = 0;
1210 >  local_bonds = 0;
1211 >  local_bends = 0;
1212 >  local_torsions = 0;
1213 >  globalAtomIndex = 0;
1214  
1035        makeElement( i * cellx,
1036                     j * celly + 0.5 * celly,
1037                     k * cellz + 0.5 * cellz );
1215  
1216 <        makeElement( i * cellx + 0.5 * cellx,
1217 <                     j * celly,
1218 <                     k * cellz + 0.5 * cellz );
1216 >  for( i=0; i<n_components; i++ ){
1217 >
1218 >    for( j=0; j<components_nmol[i]; j++ ){
1219 >      
1220 >      if( mol2proc[allMol] == worldRank ){
1221 >  
1222 >  local_atoms +=    comp_stamps[i]->getNAtoms();
1223 >  local_bonds +=    comp_stamps[i]->getNBonds();
1224 >  local_bends +=    comp_stamps[i]->getNBends();
1225 >  local_torsions += comp_stamps[i]->getNTorsions();
1226 >  localMol++;
1227 >      }      
1228 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1229 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1230 >        globalAtomIndex++;
1231        }
1232 +
1233 +      allMol++;      
1234      }
1235    }
1236 +  local_SRI = local_bonds + local_bends + local_torsions;
1237 +  
1238 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1239 +  
1240 +  if( local_atoms != info[0].n_atoms ){
1241 +    sprintf( painCave.errMsg,
1242 +       "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1243 +       " localAtom (%d) are not equal.\n",
1244 +       info[0].n_atoms,
1245 +       local_atoms );
1246 +    painCave.isFatal = 1;
1247 +    simError();
1248 +  }
1249  
1250 <  if( have_extra ){
1251 <    done = 0;
1250 >  info[0].n_bonds = local_bonds;
1251 >  info[0].n_bends = local_bends;
1252 >  info[0].n_torsions = local_torsions;
1253 >  info[0].n_SRI = local_SRI;
1254 >  info[0].n_mol = localMol;
1255  
1256 <    int start_ndx;
1257 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1258 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1256 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1257 >  MPIcheckPoint();
1258 > }
1259 >
1260 > #endif // is_mpi
1261  
1053        if( i < n_cells ){
1262  
1263 <          if( j < n_cells ){
1264 <            start_ndx = n_cells;
1057 <          }
1058 <          else start_ndx = 0;
1059 <        }
1060 <        else start_ndx = 0;
1263 > void SimSetup::makeSysArrays( void ){
1264 >  int i, j, k, l;
1265  
1266 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1266 >  Atom** the_atoms;
1267 >  Molecule* the_molecules;
1268 >  Exclude** the_excludes;
1269  
1270 <          makeElement( i * cellx,
1271 <                       j * celly,
1272 <                       k * cellz );
1273 <          done = ( current_mol >= tot_nmol );
1270 >  
1271 >  for(l=0; l<nInfo; l++){
1272 >    
1273 >    // create the atom and short range interaction arrays
1274 >    
1275 >    the_atoms = new Atom*[info[l].n_atoms];
1276 >    the_molecules = new Molecule[info[l].n_mol];
1277 >    int molIndex;
1278  
1279 <          if( !done && n_per_extra > 1 ){
1280 <            makeElement( i * cellx + 0.5 * cellx,
1281 <                         j * celly + 0.5 * celly,
1282 <                         k * cellz );
1283 <            done = ( current_mol >= tot_nmol );
1284 <          }
1279 >    // initialize the molecule's stampID's
1280 >    
1281 > #ifdef IS_MPI
1282 >    
1283 >    
1284 >    molIndex = 0;
1285 >    for(i=0; i<mpiSim->getTotNmol(); i++){
1286 >    
1287 >      if(mol2proc[i] == worldRank ){
1288 >  the_molecules[molIndex].setStampID( molCompType[i] );
1289 >  the_molecules[molIndex].setMyIndex( molIndex );
1290 >  the_molecules[molIndex].setGlobalIndex( i );
1291 >  molIndex++;
1292 >      }
1293 >    }
1294 >    
1295 > #else // is_mpi
1296 >    
1297 >    molIndex = 0;
1298 >    globalAtomIndex = 0;
1299 >    for(i=0; i<n_components; i++){
1300 >      for(j=0; j<components_nmol[i]; j++ ){
1301 >  the_molecules[molIndex].setStampID( i );
1302 >  the_molecules[molIndex].setMyIndex( molIndex );
1303 >  the_molecules[molIndex].setGlobalIndex( molIndex );
1304 >  for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1305 >    info[l].molMembershipArray[globalAtomIndex] = molIndex;
1306 >    globalAtomIndex++;
1307 >  }
1308 >  molIndex++;
1309 >      }
1310 >    }
1311 >    
1312 >    
1313 > #endif // is_mpi
1314  
1076          if( !done && n_per_extra > 2){
1077            makeElement( i * cellx,
1078                         j * celly + 0.5 * celly,
1079                         k * cellz + 0.5 * cellz );
1080            done = ( current_mol >= tot_nmol );
1081          }
1315  
1316 <          if( !done && n_per_extra > 3){
1317 <            makeElement( i * cellx + 0.5 * cellx,
1318 <                         j * celly,
1319 <                         k * cellz + 0.5 * cellz );
1320 <            done = ( current_mol >= tot_nmol );
1321 <          }
1089 <        }
1316 >    if( info[l].n_SRI ){
1317 >    
1318 >      Exclude::createArray(info[l].n_SRI);
1319 >      the_excludes = new Exclude*[info[l].n_SRI];
1320 >      for( int ex=0; ex<info[l].n_SRI; ex++){
1321 >  the_excludes[ex] = new Exclude(ex);
1322        }
1323 +      info[l].globalExcludes = new int;
1324 +      info[l].n_exclude = info[l].n_SRI;
1325      }
1326 <  }
1326 >    else{
1327 >    
1328 >      Exclude::createArray( 1 );
1329 >      the_excludes = new Exclude*;
1330 >      the_excludes[0] = new Exclude(0);
1331 >      the_excludes[0]->setPair( 0,0 );
1332 >      info[l].globalExcludes = new int;
1333 >      info[l].globalExcludes[0] = 0;
1334 >      info[l].n_exclude = 0;
1335 >    }
1336  
1337 +    // set the arrays into the SimInfo object
1338  
1339 <  for( i=0; i<simnfo->n_atoms; i++ ){
1340 <    simnfo->atoms[i]->set_vx( 0.0 );
1341 <    simnfo->atoms[i]->set_vy( 0.0 );
1342 <    simnfo->atoms[i]->set_vz( 0.0 );
1339 >    info[l].atoms = the_atoms;
1340 >    info[l].molecules = the_molecules;
1341 >    info[l].nGlobalExcludes = 0;
1342 >    info[l].excludes = the_excludes;
1343 >
1344 >    the_ff->setSimInfo( info );
1345 >    
1346    }
1347   }
1348  
1349 < void SimSetup::makeElement( double x, double y, double z ){
1349 > void SimSetup::makeIntegrator( void ){
1350  
1351    int k;
1105  AtomStamp* current_atom;
1106  DirectionalAtom* dAtom;
1107  double rotMat[3][3];
1352  
1353 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1353 >  NVT<RealIntegrator>*  myNVT = NULL;
1354 >  NPTi<RealIntegrator>* myNPTi = NULL;
1355 >  NPTf<RealIntegrator>* myNPTf = NULL;
1356 >  NPTim<RealIntegrator>* myNPTim = NULL;
1357 >  NPTfm<RealIntegrator>* myNPTfm = NULL;
1358 >        
1359 >  for(k=0; k<nInfo; k++){
1360 >    
1361 >    switch( ensembleCase ){
1362 >      
1363 >    case NVE_ENS:
1364 >      if (globals->haveZconstraints()){
1365 >        setupZConstraint(info[k]);
1366 >        new ZConstraint<NVE<RealIntegrator> >( &(info[k]), the_ff );
1367 >     }
1368  
1369 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1370 <    if( !current_atom->havePosition() ){
1369 >     else
1370 >        new NVE<RealIntegrator>( &(info[k]), the_ff );
1371 >      break;
1372 >      
1373 >    case NVT_ENS:
1374 >      if (globals->haveZconstraints()){
1375 >        setupZConstraint(info[k]);
1376 >        myNVT = new ZConstraint<NVT<RealIntegrator> >( &(info[k]), the_ff );
1377 >      }
1378 >      else
1379 >        myNVT = new NVT<RealIntegrator>( &(info[k]), the_ff );
1380 >
1381 >        myNVT->setTargetTemp(globals->getTargetTemp());
1382 >      
1383 >        if (globals->haveTauThermostat())
1384 >          myNVT->setTauThermostat(globals->getTauThermostat());
1385 >      
1386 >        else {
1387 >          sprintf( painCave.errMsg,
1388 >                    "SimSetup error: If you use the NVT\n"
1389 >                    "    ensemble, you must set tauThermostat.\n");
1390 >          painCave.isFatal = 1;
1391 >          simError();
1392 >        }
1393 >        break;
1394 >      
1395 >    case NPTi_ENS:
1396 >      if (globals->haveZconstraints()){
1397 >             setupZConstraint(info[k]);
1398 >         myNPTi = new ZConstraint<NPTi<RealIntegrator> >( &(info[k]), the_ff );
1399 >      }
1400 >      else
1401 >        myNPTi = new NPTi<RealIntegrator>( &(info[k]), the_ff );
1402 >
1403 >      myNPTi->setTargetTemp( globals->getTargetTemp() );
1404 >          
1405 >      if (globals->haveTargetPressure())
1406 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1407 >      else {
1408 >         sprintf( painCave.errMsg,
1409 >                   "SimSetup error: If you use a constant pressure\n"
1410 >                   "    ensemble, you must set targetPressure in the BASS file.\n");
1411 >         painCave.isFatal = 1;
1412 >         simError();
1413 >      }
1414 >          
1415 >      if( globals->haveTauThermostat() )
1416 >        myNPTi->setTauThermostat( globals->getTauThermostat() );
1417 >      else{
1418 >         sprintf( painCave.errMsg,
1419 >                   "SimSetup error: If you use an NPT\n"
1420 >                  "    ensemble, you must set tauThermostat.\n");
1421 >         painCave.isFatal = 1;
1422 >         simError();
1423 >      }
1424 >          
1425 >      if( globals->haveTauBarostat() )
1426 >        myNPTi->setTauBarostat( globals->getTauBarostat() );
1427 >      else{
1428 >        sprintf( painCave.errMsg,
1429 >                  "SimSetup error: If you use an NPT\n"
1430 >                  "    ensemble, you must set tauBarostat.\n");
1431 >        painCave.isFatal = 1;
1432 >        simError();
1433 >       }
1434 >       break;
1435 >      
1436 >    case NPTf_ENS:
1437 >      if (globals->haveZconstraints()){
1438 >        setupZConstraint(info[k]);
1439 >        myNPTf = new ZConstraint<NPTf<RealIntegrator> >( &(info[k]), the_ff );
1440 >      }
1441 >      else
1442 >        myNPTf = new NPTf<RealIntegrator>( &(info[k]), the_ff );
1443 >
1444 >      myNPTf->setTargetTemp( globals->getTargetTemp());
1445 >          
1446 >      if (globals->haveTargetPressure())
1447 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1448 >      else {
1449 >        sprintf( painCave.errMsg,
1450 >                  "SimSetup error: If you use a constant pressure\n"
1451 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1452 >        painCave.isFatal = 1;
1453 >        simError();
1454 >      }    
1455 >          
1456 >      if( globals->haveTauThermostat() )
1457 >        myNPTf->setTauThermostat( globals->getTauThermostat() );
1458 >      else{
1459 >        sprintf( painCave.errMsg,
1460 >         "SimSetup error: If you use an NPT\n"
1461 >                   "    ensemble, you must set tauThermostat.\n");
1462 >        painCave.isFatal = 1;
1463 >        simError();
1464 >      }
1465 >          
1466 >      if( globals->haveTauBarostat() )
1467 >        myNPTf->setTauBarostat( globals->getTauBarostat() );
1468 >      else{
1469 >        sprintf( painCave.errMsg,
1470 >                  "SimSetup error: If you use an NPT\n"
1471 >                  "    ensemble, you must set tauBarostat.\n");
1472 >        painCave.isFatal = 1;
1473 >        simError();
1474 >      }
1475 >      break;
1476 >      
1477 >    case NPTim_ENS:
1478 >      if (globals->haveZconstraints()){
1479 >        setupZConstraint(info[k]);
1480 >        myNPTim = new ZConstraint<NPTim<RealIntegrator> >( &(info[k]), the_ff );
1481 >      }
1482 >      else
1483 >        myNPTim = new NPTim<RealIntegrator>( &(info[k]), the_ff );
1484 >
1485 >        myNPTim->setTargetTemp( globals->getTargetTemp());
1486 >          
1487 >      if (globals->haveTargetPressure())
1488 >        myNPTim->setTargetPressure(globals->getTargetPressure());
1489 >      else {
1490 >        sprintf( painCave.errMsg,
1491 >                  "SimSetup error: If you use a constant pressure\n"
1492 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1493 >        painCave.isFatal = 1;
1494 >        simError();
1495 >      }
1496 >          
1497 >      if( globals->haveTauThermostat() )
1498 >        myNPTim->setTauThermostat( globals->getTauThermostat() );
1499 >      else{
1500 >        sprintf( painCave.errMsg,
1501 >                  "SimSetup error: If you use an NPT\n"
1502 >                  "    ensemble, you must set tauThermostat.\n");
1503 >        painCave.isFatal = 1;
1504 >        simError();
1505 >      }
1506 >          
1507 >      if( globals->haveTauBarostat() )
1508 >        myNPTim->setTauBarostat( globals->getTauBarostat() );
1509 >      else{
1510 >        sprintf( painCave.errMsg,
1511 >                   "SimSetup error: If you use an NPT\n"
1512 >                   "    ensemble, you must set tauBarostat.\n");
1513 >        painCave.isFatal = 1;
1514 >        simError();
1515 >      }
1516 >      break;
1517 >      
1518 >    case NPTfm_ENS:
1519 >      if (globals->haveZconstraints()){
1520 >        setupZConstraint(info[k]);
1521 >        myNPTfm = new ZConstraint<NPTfm<RealIntegrator> >( &(info[k]), the_ff );
1522 >      }
1523 >      else
1524 >        myNPTfm = new NPTfm<RealIntegrator>( &(info[k]), the_ff );
1525 >
1526 >      myNPTfm->setTargetTemp( globals->getTargetTemp());
1527 >
1528 >      if (globals->haveTargetPressure())
1529 >        myNPTfm->setTargetPressure(globals->getTargetPressure());
1530 >      else {
1531 >        sprintf( painCave.errMsg,
1532 >                  "SimSetup error: If you use a constant pressure\n"
1533 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1534 >        painCave.isFatal = 1;
1535 >        simError();
1536 >      }
1537 >
1538 >      if( globals->haveTauThermostat() )
1539 >        myNPTfm->setTauThermostat( globals->getTauThermostat() );
1540 >      else{
1541 >        sprintf( painCave.errMsg,
1542 >                  "SimSetup error: If you use an NPT\n"
1543 >                  "    ensemble, you must set tauThermostat.\n");
1544 >        painCave.isFatal = 1;
1545 >        simError();
1546 >      }
1547 >
1548 >      if( globals->haveTauBarostat() )
1549 >        myNPTfm->setTauBarostat( globals->getTauBarostat() );
1550 >      else{
1551 >        sprintf( painCave.errMsg,
1552 >                  "SimSetup error: If you use an NPT\n"
1553 >                  "    ensemble, you must set tauBarostat.\n");
1554 >        painCave.isFatal = 1;
1555 >        simError();
1556 >      }
1557 >      break;
1558 >      
1559 >    default:
1560        sprintf( painCave.errMsg,
1561 <               "SimSetup:initFromBass error.\n"
1115 <               "\tComponent %s, atom %s does not have a position specified.\n"
1116 <               "\tThe initialization routine is unable to give a start"
1117 <               " position.\n",
1118 <               comp_stamps[current_comp]->getID(),
1119 <               current_atom->getType() );
1561 >                 "SimSetup Error. Unrecognized ensemble in case statement.\n");
1562        painCave.isFatal = 1;
1563        simError();
1564      }
1565 +  }
1566 + }
1567  
1568 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1125 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1126 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1568 > void SimSetup::initFortran( void ){
1569  
1570 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1570 >  info[0].refreshSim();
1571 >  
1572 >  if( !strcmp( info[0].mixingRule, "standard") ){
1573 >    the_ff->initForceField( LB_MIXING_RULE );
1574 >  }
1575 >  else if( !strcmp( info[0].mixingRule, "explicit") ){
1576 >    the_ff->initForceField( EXPLICIT_MIXING_RULE );
1577 >  }
1578 >  else{
1579 >    sprintf( painCave.errMsg,
1580 >       "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1581 >       info[0].mixingRule );
1582 >    painCave.isFatal = 1;
1583 >    simError();
1584 >  }
1585  
1130      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1586  
1587 <      rotMat[0][0] = 1.0;
1588 <      rotMat[0][1] = 0.0;
1589 <      rotMat[0][2] = 0.0;
1587 > #ifdef IS_MPI
1588 >  strcpy( checkPointMsg,
1589 >    "Successfully intialized the mixingRule for Fortran." );
1590 >  MPIcheckPoint();
1591 > #endif // is_mpi
1592  
1593 <      rotMat[1][0] = 0.0;
1137 <      rotMat[1][1] = 1.0;
1138 <      rotMat[1][2] = 0.0;
1593 > }
1594  
1595 <      rotMat[2][0] = 0.0;
1596 <      rotMat[2][1] = 0.0;
1597 <      rotMat[2][2] = 1.0;
1595 > void SimSetup::setupZConstraint(SimInfo& theInfo)
1596 > {
1597 >  int nZConstraints;
1598 >  ZconStamp** zconStamp;
1599  
1600 <      dAtom->setA( rotMat );
1601 <    }
1600 >  if(globals->haveZconstraintTime()){  
1601 >    
1602 >    //add sample time of z-constraint  into SimInfo's property list                    
1603 >    DoubleData* zconsTimeProp = new DoubleData();
1604 >    zconsTimeProp->setID(ZCONSTIME_ID);
1605 >    zconsTimeProp->setData(globals->getZconsTime());
1606 >    theInfo.addProperty(zconsTimeProp);
1607 >  }
1608 >  else{
1609 >    sprintf( painCave.errMsg,
1610 >       "ZConstraint error: If you use an ZConstraint\n"
1611 >       " , you must set sample time.\n");
1612 >    painCave.isFatal = 1;
1613 >    simError();      
1614 >  }
1615  
1616 <    current_atom_ndx++;
1616 >  //push zconsTol into siminfo, if user does not specify
1617 >  //value for zconsTol, a default value will be used
1618 >  DoubleData* zconsTol = new DoubleData();
1619 >  zconsTol->setID(ZCONSTOL_ID);
1620 >  if(globals->haveZconsTol()){
1621 >    zconsTol->setData(globals->getZconsTol());
1622    }
1623 +  else{
1624 +  double defaultZConsTol = 0.01;
1625 +    sprintf( painCave.errMsg,
1626 +       "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1627 +       " , default value %f is used.\n", defaultZConsTol);
1628 +    painCave.isFatal = 0;
1629 +    simError();      
1630  
1631 <  current_mol++;
1632 <  current_comp_mol++;
1631 >    zconsTol->setData(defaultZConsTol);
1632 >  }
1633 >  theInfo.addProperty(zconsTol);
1634  
1635 <  if( current_comp_mol >= components_nmol[current_comp] ){
1635 >  //set Force Substraction Policy
1636 >  StringData* zconsForcePolicy =  new StringData();
1637 >  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1638 >  
1639 >  if(globals->haveZconsForcePolicy()){
1640 >    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1641 >  }  
1642 >  else{
1643 >     sprintf( painCave.errMsg,
1644 >             "ZConstraint Warning: User does not set force substraction policy, "
1645 >             "average force substraction policy is used\n");
1646 >     painCave.isFatal = 0;
1647 >     simError();
1648 >     zconsForcePolicy->setData("BYNUMBER");
1649 >  }
1650 >
1651 > theInfo.addProperty(zconsForcePolicy);
1652 >
1653 >  //Determine the name of ouput file and add it into SimInfo's property list
1654 >  //Be careful, do not use inFileName, since it is a pointer which
1655 >  //point to a string at master node, and slave nodes do not contain that string
1656 >  
1657 >  string zconsOutput(theInfo.finalName);
1658 >  
1659 >  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1660 >  
1661 >  StringData* zconsFilename = new StringData();
1662 >  zconsFilename->setID(ZCONSFILENAME_ID);
1663 >  zconsFilename->setData(zconsOutput);
1664 >  
1665 >  theInfo.addProperty(zconsFilename);
1666 >  
1667 >  //setup index, pos and other parameters of z-constraint molecules
1668 >  nZConstraints = globals->getNzConstraints();
1669 >  theInfo.nZconstraints = nZConstraints;
1670  
1671 <    current_comp_mol = 0;
1672 <    current_comp++;
1671 >  zconStamp = globals->getZconStamp();
1672 >  ZConsParaItem tempParaItem;
1673 >
1674 >  ZConsParaData* zconsParaData = new ZConsParaData();
1675 >  zconsParaData->setID(ZCONSPARADATA_ID);
1676 >
1677 >  for(int i = 0; i < nZConstraints; i++){
1678 >    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1679 >    tempParaItem.zPos = zconStamp[i]->getZpos();
1680 >    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1681 >    tempParaItem.kRatio = zconStamp[i]->getKratio();
1682 >
1683 >    zconsParaData->addItem(tempParaItem);
1684    }
1685 +
1686 +  //sort the parameters by index of molecules
1687 +  zconsParaData->sortByIndex();
1688 +  
1689 +  //push data into siminfo, therefore, we can retrieve later
1690 +  theInfo.addProperty(zconsParaData);
1691 +      
1692   }

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