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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 438 by chuckv, Mon Mar 31 21:50:59 2003 UTC vs.
Revision 701 by tim, Wed Aug 20 14:34:04 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_Ex" ) ) the_ff = new TraPPE_ExFF();
92 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
93 <  else{
94 <    sprintf( painCave.errMsg,
95 <             "SimSetup Error. Unrecognized force field -> %s\n",
96 <             force_field );
97 <    painCave.isFatal = 1;
98 <    simError();
99 <  }
111 >  // initialize the system coordinates
112  
113 < #ifdef IS_MPI
102 <  strcpy( checkPointMsg, "ForceField creation successful" );
103 <  MPIcheckPoint();
104 < #endif // is_mpi
113 >  if( !isInfoArray ) initSystemCoords();  
114  
115 <  
115 >  // make the output filenames
116  
117 <  // get the components and calculate the tot_nMol and indvidual n_mol
118 <  the_components = the_globals->getComponents();
119 <  components_nmol = new int[n_components];
120 <  comp_stamps = new MoleculeStamp*[n_components];
121 <
122 <  if( !the_globals->haveNMol() ){
114 <    // we don't have the total number of molecules, so we assume it is
115 <    // given in each component
116 <
117 <    tot_nmol = 0;
118 <    for( i=0; i<n_components; i++ ){
119 <
120 <      if( !the_components[i]->haveNMol() ){
121 <        // we have a problem
122 <        sprintf( painCave.errMsg,
123 <                 "SimSetup Error. No global NMol or component NMol"
124 <                 " given. Cannot calculate the number of atoms.\n" );
125 <        painCave.isFatal = 1;
126 <        simError();
127 <      }
128 <
129 <      tot_nmol += the_components[i]->getNMol();
130 <      components_nmol[i] = the_components[i]->getNMol();
131 <    }
132 <  }
133 <  else{
134 <    sprintf( painCave.errMsg,
135 <             "SimSetup error.\n"
136 <             "\tSorry, the ability to specify total"
137 <             " nMols and then give molfractions in the components\n"
138 <             "\tis not currently supported."
139 <             " Please give nMol in the components.\n" );
140 <    painCave.isFatal = 1;
141 <    simError();
142 <    
143 <    
144 <    //     tot_nmol = the_globals->getNMol();
145 <    
146 <    //   //we have the total number of molecules, now we check for molfractions
147 <    //     for( i=0; i<n_components; i++ ){
148 <    
149 <    //       if( !the_components[i]->haveMolFraction() ){
150 <    
151 <    //  if( !the_components[i]->haveNMol() ){
152 <    //    //we have a problem
153 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
154 <    //              << " nMol was given in component
155 <    
156 <  }
157 <
117 >  makeOutNames();
118 >  
119 >  // make the integrator
120 >  
121 >  makeIntegrator();
122 >  
123   #ifdef IS_MPI
124 <  strcpy( checkPointMsg, "Have the number of components" );
125 <  MPIcheckPoint();
161 < #endif // is_mpi
124 >  mpiSim->mpiRefresh();
125 > #endif
126  
127 <  // make an array of molecule stamps that match the components used.
164 <  // also extract the used stamps out into a separate linked list
127 >  // initialize the Fortran
128  
129 <  simnfo->nComponents = n_components;
167 <  simnfo->componentsNmol = components_nmol;
168 <  simnfo->compStamps = comp_stamps;
169 <  simnfo->headStamp = new LinkedMolStamp();
170 <  
171 <  char* id;
172 <  LinkedMolStamp* headStamp = simnfo->headStamp;
173 <  LinkedMolStamp* currentStamp = NULL;
174 <  for( i=0; i<n_components; i++ ){
129 >  initFortran();
130  
176    id = the_components[i]->getType();
177    comp_stamps[i] = NULL;
178    
179    // check to make sure the component isn't already in the list
131  
181    comp_stamps[i] = headStamp->match( id );
182    if( comp_stamps[i] == NULL ){
183      
184      // extract the component from the list;
185      
186      currentStamp = the_stamps->extractMolStamp( id );
187      if( currentStamp == NULL ){
188        sprintf( painCave.errMsg,
189                 "SimSetup error: Component \"%s\" was not found in the "
190                 "list of declared molecules\n",
191                 id );
192        painCave.isFatal = 1;
193        simError();
194      }
195      
196      headStamp->add( currentStamp );
197      comp_stamps[i] = headStamp->match( id );
198    }
199  }
132  
133 < #ifdef IS_MPI
202 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
203 <  MPIcheckPoint();
204 < #endif // is_mpi
205 <  
133 > }
134  
135  
136 + void SimSetup::makeMolecules( void ){
137  
138 <  // caclulate the number of atoms, bonds, bends and torsions
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 <  tot_atoms = 0;
150 <  tot_bonds = 0;
151 <  tot_bends = 0;
214 <  tot_torsions = 0;
215 <  for( i=0; i<n_components; i++ ){
216 <    
217 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
218 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
219 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
220 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
221 <  }
149 >  bond_pair* theBonds;
150 >  bend_set* theBends;
151 >  torsion_set* theTorsions;
152  
223  tot_SRI = tot_bonds + tot_bends + tot_torsions;
224
225  simnfo->n_atoms = tot_atoms;
226  simnfo->n_bonds = tot_bonds;
227  simnfo->n_bends = tot_bends;
228  simnfo->n_torsions = tot_torsions;
229  simnfo->n_SRI = tot_SRI;
230  simnfo->n_mol = tot_nmol;
231
153    
154 < #ifdef IS_MPI
154 >  //init the forceField paramters
155  
156 <  // divide the molecules among processors here.
236 <  
237 <  mpiSim = new mpiSimulation( simnfo );
238 <  
239 <  
156 >  the_ff->readParams();
157  
241  globalIndex = mpiSim->divideLabor();
242
243  // set up the local variables
158    
159 <  int localMol, allMol;
246 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
159 >  // init the atoms
160  
161 <  int* mol2proc = mpiSim->getMolToProcMap();
249 <  int* molCompType = mpiSim->getMolComponentType();
161 >  double ux, uy, uz, u, uSqr;
162    
163 <  allMol = 0;
164 <  localMol = 0;
165 <  local_atoms = 0;
254 <  local_bonds = 0;
255 <  local_bends = 0;
256 <  local_torsions = 0;
257 <  for( i=0; i<n_components; i++ ){
163 >  for(k=0; k<nInfo; k++){
164 >    
165 >    the_ff->setSimInfo( &(info[k]) );
166  
167 <    for( j=0; j<components_nmol[i]; j++ ){
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 >      molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
174 >      molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
175 >      molInfo.nBends    = comp_stamps[stampID]->getNBends();
176 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
177 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
178        
179 <      if( mol2proc[j] == worldRank ){
180 <        
181 <        local_atoms +=    comp_stamps[i]->getNAtoms();
182 <        local_bonds +=    comp_stamps[i]->getNBonds();
183 <        local_bends +=    comp_stamps[i]->getNBends();
266 <        local_torsions += comp_stamps[i]->getNTorsions();
267 <        localMol++;
268 <      }      
269 <      allMol++;
270 <    }
271 <  }
272 <  local_SRI = local_bonds + local_bends + local_torsions;
273 <  
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 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
185 >      theBonds = new bond_pair[molInfo.nBonds];
186 >      theBends = new bend_set[molInfo.nBends];
187 >      theTorsions = new torsion_set[molInfo.nTorsions];
188 >    
189 >      // make the Atoms
190 >    
191 >      for(j=0; j<molInfo.nAtoms; j++){
192    
193 <  if( local_atoms != simnfo->n_atoms ){
193 >  currentAtom = comp_stamps[stampID]->getAtom( j );
194 >  if( currentAtom->haveOrientation() ){
195 >    
196 >    dAtom = new DirectionalAtom( (j + atomOffset),
197 >               info[k].getConfiguration() );
198 >    info[k].n_oriented++;
199 >    molInfo.myAtoms[j] = dAtom;
200 >    
201 >    ux = currentAtom->getOrntX();
202 >    uy = currentAtom->getOrntY();
203 >    uz = currentAtom->getOrntZ();
204 >    
205 >    uSqr = (ux * ux) + (uy * uy) + (uz * uz);
206 >    
207 >    u = sqrt( uSqr );
208 >    ux = ux / u;
209 >    uy = uy / u;
210 >    uz = uz / u;
211 >    
212 >    dAtom->setSUx( ux );
213 >    dAtom->setSUy( uy );
214 >    dAtom->setSUz( uz );
215 >  }
216 >  else{
217 >    molInfo.myAtoms[j] = new GeneralAtom( (j + atomOffset),
218 >            info[k].getConfiguration() );
219 >  }
220 >  molInfo.myAtoms[j]->setType( currentAtom->getType() );
221 >    
222 > #ifdef IS_MPI
223 >      
224 >  molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
225 >      
226 > #endif // is_mpi
227 >      }
228 >    
229 >    // make the bonds
230 >      for(j=0; j<molInfo.nBonds; j++){
231 >      
232 >  currentBond = comp_stamps[stampID]->getBond( j );
233 >  theBonds[j].a = currentBond->getA() + atomOffset;
234 >  theBonds[j].b = currentBond->getB() + atomOffset;
235 >  
236 >  exI = theBonds[j].a;
237 >  exJ = theBonds[j].b;
238 >  
239 >  // exclude_I must always be the smaller of the pair
240 >  if( exI > exJ ){
241 >    tempEx = exI;
242 >    exI = exJ;
243 >    exJ = tempEx;
244 >  }
245 > #ifdef IS_MPI
246 >  tempEx = exI;
247 >  exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
248 >  tempEx = exJ;
249 >  exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
250 >  
251 >  info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
252 > #else  // isn't MPI
253 >  
254 >  info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
255 > #endif  //is_mpi
256 >      }
257 >      excludeOffset += molInfo.nBonds;
258 >      
259 >      //make the bends
260 >      for(j=0; j<molInfo.nBends; j++){
261 >  
262 >  currentBend = comp_stamps[stampID]->getBend( j );
263 >  theBends[j].a = currentBend->getA() + atomOffset;
264 >  theBends[j].b = currentBend->getB() + atomOffset;
265 >  theBends[j].c = currentBend->getC() + atomOffset;
266 >  
267 >  if( currentBend->haveExtras() ){
268 >    
269 >    extras = currentBend->getExtras();
270 >    current_extra = extras;
271 >    
272 >    while( current_extra != NULL ){
273 >      if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
274 >        
275 >        switch( current_extra->getType() ){
276 >    
277 >        case 0:
278 >    theBends[j].ghost =
279 >      current_extra->getInt() + atomOffset;
280 >    theBends[j].isGhost = 1;
281 >    break;
282 >    
283 >        case 1:
284 >    theBends[j].ghost =
285 >      (int)current_extra->getDouble() + atomOffset;
286 >    theBends[j].isGhost = 1;
287 >    break;
288 >    
289 >        default:
290      sprintf( painCave.errMsg,
291 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
292 <             " localAtom (%d) are not equal.\n",
293 <             simnfo->n_atoms,
294 <             local_atoms );
291 >       "SimSetup Error: ghostVectorSource was neither a "
292 >       "double nor an int.\n"
293 >       "-->Bend[%d] in %s\n",
294 >       j, comp_stamps[stampID]->getID() );
295      painCave.isFatal = 1;
296      simError();
297 +        }
298 +      }
299 +      
300 +      else{
301 +        
302 +        sprintf( painCave.errMsg,
303 +           "SimSetup Error: unhandled bend assignment:\n"
304 +           "    -->%s in Bend[%d] in %s\n",
305 +           current_extra->getlhs(),
306 +           j, comp_stamps[stampID]->getID() );
307 +        painCave.isFatal = 1;
308 +        simError();
309 +      }
310 +      
311 +      current_extra = current_extra->getNext();
312 +    }
313    }
286
287  simnfo->n_bonds = local_bonds;
288  simnfo->n_bends = local_bends;
289  simnfo->n_torsions = local_torsions;
290  simnfo->n_SRI = local_SRI;
291  simnfo->n_mol = localMol;
292
293  strcpy( checkPointMsg, "Passed nlocal consistency check." );
294  MPIcheckPoint();
314    
315 +  if( !theBends[j].isGhost ){
316 +    
317 +    exI = theBends[j].a;
318 +    exJ = theBends[j].c;
319 +  }
320 +  else{
321 +    
322 +    exI = theBends[j].a;
323 +    exJ = theBends[j].b;
324 +  }
325    
326 < #endif // is_mpi
326 >  // exclude_I must always be the smaller of the pair
327 >  if( exI > exJ ){
328 >    tempEx = exI;
329 >    exI = exJ;
330 >    exJ = tempEx;
331 >  }
332 > #ifdef IS_MPI
333 >  tempEx = exI;
334 >  exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
335 >  tempEx = exJ;
336 >  exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
337 >      
338 >  info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
339 > #else  // isn't MPI
340 >  info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
341 > #endif  //is_mpi
342 >      }
343 >      excludeOffset += molInfo.nBends;
344 >      
345 >      for(j=0; j<molInfo.nTorsions; j++){
346    
347 <
348 <  // create the atom and short range interaction arrays
349 <
350 <  Atom::createArrays(simnfo->n_atoms);
351 <  the_atoms = new Atom*[simnfo->n_atoms];
352 <  the_molecules = new Molecule[simnfo->n_mol];
353 <  int molIndex;
354 <
355 <  // initialize the molecule's stampID's
356 <
347 >  currentTorsion = comp_stamps[stampID]->getTorsion( j );
348 >  theTorsions[j].a = currentTorsion->getA() + atomOffset;
349 >  theTorsions[j].b = currentTorsion->getB() + atomOffset;
350 >  theTorsions[j].c = currentTorsion->getC() + atomOffset;
351 >  theTorsions[j].d = currentTorsion->getD() + atomOffset;
352 >  
353 >  exI = theTorsions[j].a;
354 >  exJ = theTorsions[j].d;
355 >  
356 >  // exclude_I must always be the smaller of the pair
357 >  if( exI > exJ ){
358 >    tempEx = exI;
359 >    exI = exJ;
360 >    exJ = tempEx;
361 >  }
362   #ifdef IS_MPI
363 +  tempEx = exI;
364 +  exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
365 +  tempEx = exJ;
366 +  exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
367    
368 +  info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
369 + #else  // isn't MPI
370 +  info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
371 + #endif  //is_mpi
372 +      }
373 +      excludeOffset += molInfo.nTorsions;
374 +      
375 +      
376 +      // send the arrays off to the forceField for init.
377 +      
378 +      the_ff->initializeAtoms( molInfo.nAtoms, molInfo.myAtoms );
379 +      the_ff->initializeBonds( molInfo.nBonds, molInfo.myBonds, theBonds );
380 +      the_ff->initializeBends( molInfo.nBends, molInfo.myBends, theBends );
381 +      the_ff->initializeTorsions( molInfo.nTorsions, molInfo.myTorsions, theTorsions );
382 +      
383 +      
384 +      info[k].molecules[i].initialize( molInfo );
385  
386 <  molIndex = 0;
387 <  for(i=0; i<mpiSim->getTotNmol(); i++){
388 <    
389 <    if(mol2proc[i] == worldRank ){
390 <      the_molecules[molIndex].setStampID( molCompType[i] );
317 <      the_molecules[molIndex].setMyIndex( molIndex );
318 <      molIndex++;
386 >      
387 >      atomOffset += molInfo.nAtoms;
388 >      delete[] theBonds;
389 >      delete[] theBends;
390 >      delete[] theTorsions;
391      }
392    }
393 +  
394 + #ifdef IS_MPI
395 +  sprintf( checkPointMsg, "all molecules initialized succesfully" );
396 +  MPIcheckPoint();
397 + #endif // is_mpi
398 +  
399 +  // clean up the forcefield
400  
401 < #else // is_mpi
401 >  the_ff->calcRcut();
402 >  the_ff->cleanMe();
403    
404 <  molIndex = 0;
405 <  for(i=0; i<n_components; i++){
406 <    for(j=0; j<components_nmol[i]; j++ ){
407 <      the_molecules[molIndex].setStampID( i );
408 <      the_molecules[molIndex].setMyIndex( molIndex );
409 <      molIndex++;
404 > }
405 >
406 > void SimSetup::initFromBass( void ){
407 >
408 >  int i, j, k;
409 >  int n_cells;
410 >  double cellx, celly, cellz;
411 >  double temp1, temp2, temp3;
412 >  int n_per_extra;
413 >  int n_extra;
414 >  int have_extra, done;
415 >
416 >  double vel[3];
417 >  vel[0] = 0.0;
418 >  vel[1] = 0.0;
419 >  vel[2] = 0.0;
420 >
421 >  temp1 = (double)tot_nmol / 4.0;
422 >  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
423 >  temp3 = ceil( temp2 );
424 >
425 >  have_extra =0;
426 >  if( temp2 < temp3 ){ // we have a non-complete lattice
427 >    have_extra =1;
428 >
429 >    n_cells = (int)temp3 - 1;
430 >    cellx = info[0].boxL[0] / temp3;
431 >    celly = info[0].boxL[1] / temp3;
432 >    cellz = info[0].boxL[2] / temp3;
433 >    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
434 >    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
435 >    n_per_extra = (int)ceil( temp1 );
436 >
437 >    if( n_per_extra > 4){
438 >      sprintf( painCave.errMsg,
439 >         "SimSetup error. There has been an error in constructing"
440 >         " the non-complete lattice.\n" );
441 >      painCave.isFatal = 1;
442 >      simError();
443      }
444    }
445 <    
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 < #endif // is_mpi
452 >  current_mol = 0;
453 >  current_comp_mol = 0;
454 >  current_comp = 0;
455 >  current_atom_ndx = 0;
456  
457 +  for( i=0; i < n_cells ; i++ ){
458 +    for( j=0; j < n_cells; j++ ){
459 +      for( k=0; k < n_cells; k++ ){
460  
461 <  if( simnfo->n_SRI ){
462 <    
463 <    std::cerr << "n_SRI = " << simnfo->n_SRI << "\n";
340 <    
341 <    Exclude::createArray(simnfo->n_SRI);
342 <    the_excludes = new Exclude*[simnfo->n_SRI];
343 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
344 <    simnfo->globalExcludes = new int;
345 <    simnfo->n_exclude = simnfo->n_SRI;
346 <  }
347 <  else{
348 <    
349 <    Exclude::createArray( 1 );
350 <    the_excludes = new Exclude*;
351 <    the_excludes[0] = new Exclude(0);
352 <    the_excludes[0]->setPair( 0,0 );
353 <    simnfo->globalExcludes = new int;
354 <    simnfo->globalExcludes[0] = 0;
355 <    simnfo->n_exclude = 0;
356 <  }
461 >  makeElement( i * cellx,
462 >         j * celly,
463 >         k * cellz );
464  
465 <  // set the arrays into the SimInfo object
465 >  makeElement( i * cellx + 0.5 * cellx,
466 >         j * celly + 0.5 * celly,
467 >         k * cellz );
468  
469 <  simnfo->atoms = the_atoms;
470 <  simnfo->molecules = the_molecules;
471 <  simnfo->nGlobalExcludes = 0;
363 <  simnfo->excludes = the_excludes;
469 >  makeElement( i * cellx,
470 >         j * celly + 0.5 * celly,
471 >         k * cellz + 0.5 * cellz );
472  
473 +  makeElement( i * cellx + 0.5 * cellx,
474 +         j * celly,
475 +         k * cellz + 0.5 * cellz );
476 +      }
477 +    }
478 +  }
479  
480 <  // get some of the tricky things that may still be in the globals
480 >  if( have_extra ){
481 >    done = 0;
482  
483 <  
484 <  if( the_globals->haveBox() ){
485 <    simnfo->box_x = the_globals->getBox();
371 <    simnfo->box_y = the_globals->getBox();
372 <    simnfo->box_z = the_globals->getBox();
373 <  }
374 <  else if( the_globals->haveDensity() ){
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 <    double vol;
377 <    vol = (double)tot_nmol / the_globals->getDensity();
378 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
379 <    simnfo->box_y = simnfo->box_x;
380 <    simnfo->box_z = simnfo->box_x;
381 <  }
382 <  else{
383 <    if( !the_globals->haveBoxX() ){
384 <      sprintf( painCave.errMsg,
385 <               "SimSetup error, no periodic BoxX size given.\n" );
386 <      painCave.isFatal = 1;
387 <      simError();
388 <    }
389 <    simnfo->box_x = the_globals->getBoxX();
487 >  if( i < n_cells ){
488  
489 <    if( !the_globals->haveBoxY() ){
490 <      sprintf( painCave.errMsg,
393 <               "SimSetup error, no periodic BoxY size given.\n" );
394 <      painCave.isFatal = 1;
395 <      simError();
489 >    if( j < n_cells ){
490 >      start_ndx = n_cells;
491      }
492 <    simnfo->box_y = the_globals->getBoxY();
398 <
399 <    if( !the_globals->haveBoxZ() ){
400 <      sprintf( painCave.errMsg,
401 <               "SimSetup error, no periodic BoxZ size given.\n" );
402 <      painCave.isFatal = 1;
403 <      simError();
404 <    }
405 <    simnfo->box_z = the_globals->getBoxZ();
492 >    else start_ndx = 0;
493    }
494 +  else start_ndx = 0;
495  
496 < #ifdef IS_MPI
409 <  strcpy( checkPointMsg, "Box size set up" );
410 <  MPIcheckPoint();
411 < #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 );
511 <
512 <  makeMolecules();
513 <  simnfo->identArray = new int[simnfo->n_atoms];
514 <  for(i=0; i<simnfo->n_atoms; i++){
421 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
422 <  }
423 <  
424 <  if (the_globals->getUseRF() ) {
425 <    simnfo->useReactionField = 1;
426 <  
427 <    if( !the_globals->haveECR() ){
428 <      sprintf( painCave.errMsg,
429 <               "SimSetup Warning: using default value of 1/2 the smallest "
430 <               "box length for the electrostaticCutoffRadius.\n"
431 <               "I hope you have a very fast processor!\n");
432 <      painCave.isFatal = 0;
433 <      simError();
434 <      double smallest;
435 <      smallest = simnfo->box_x;
436 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
437 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
438 <      simnfo->ecr = 0.5 * smallest;
439 <    } else {
440 <      simnfo->ecr        = the_globals->getECR();
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 <    if( !the_globals->haveEST() ){
518 <      sprintf( painCave.errMsg,
519 <               "SimSetup Warning: using default value of 0.05 * the "
520 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
521 <               );
448 <      painCave.isFatal = 0;
449 <      simError();
450 <      simnfo->est = 0.05 * simnfo->ecr;
451 <    } else {
452 <      simnfo->est        = the_globals->getEST();
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 <    
455 <    if(!the_globals->haveDielectric() ){
456 <      sprintf( painCave.errMsg,
457 <               "SimSetup Error: You are trying to use Reaction Field without"
458 <               "setting a dielectric constant!\n"
459 <               );
460 <      painCave.isFatal = 1;
461 <      simError();
462 <    }
463 <    simnfo->dielectric = the_globals->getDielectric();  
464 <  } else {
465 <    if (simnfo->n_dipoles) {
466 <      
467 <      if( !the_globals->haveECR() ){
468 <        sprintf( painCave.errMsg,
469 <                 "SimSetup Warning: using default value of 1/2 the smallest"
470 <                 "box length for the electrostaticCutoffRadius.\n"
471 <                 "I hope you have a very fast processor!\n");
472 <        painCave.isFatal = 0;
473 <        simError();
474 <        double smallest;
475 <        smallest = simnfo->box_x;
476 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
477 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
478 <        simnfo->ecr = 0.5 * smallest;
479 <      } else {
480 <        simnfo->ecr        = the_globals->getECR();
523 >  }
524        }
482      
483      if( !the_globals->haveEST() ){
484        sprintf( painCave.errMsg,
485                 "SimSetup Warning: using default value of 5% of the"
486                 "electrostaticCutoffRadius for the "
487                 "electrostaticSkinThickness\n"
488                 );
489        painCave.isFatal = 0;
490        simError();
491        simnfo->est = 0.05 * simnfo->ecr;
492      } else {
493        simnfo->est        = the_globals->getEST();
494      }
525      }
526 <  }  
526 >  }
527  
528 < #ifdef IS_MPI
529 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
530 <  MPIcheckPoint();
531 < #endif // is_mpi
528 >  for( i=0; i<info[0].n_atoms; i++ ){
529 >    info[0].atoms[i]->setVel( vel );
530 >  }
531 > }
532  
533 < if( the_globals->haveInitialConfig() ){
504 <
505 <     InitializeFromFile* fileInit;
506 < #ifdef IS_MPI // is_mpi
507 <     if( worldRank == 0 ){
508 < #endif //is_mpi
509 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
510 < #ifdef IS_MPI
511 <     }else fileInit = new InitializeFromFile( NULL );
512 < #endif
513 <   fileInit->read_xyz( simnfo ); // default velocities on
533 > void SimSetup::makeElement( double x, double y, double z ){
534  
535 <   delete fileInit;
536 < }
537 < else{
535 >  int k;
536 >  AtomStamp* current_atom;
537 >  DirectionalAtom* dAtom;
538 >  double rotMat[3][3];
539 >  double pos[3];
540  
541 < #ifdef IS_MPI
541 >  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
542  
543 <  // no init from bass
544 <  
545 <  sprintf( painCave.errMsg,
546 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
547 <  painCave.isFatal;
548 <  simError();
549 <  
550 < #else
551 <
552 <  initFromBass();
553 <
532 <
533 < #endif
534 < }
535 <
536 < #ifdef IS_MPI
537 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
538 <  MPIcheckPoint();
539 < #endif // is_mpi
540 <
541 <
542 <  
543 <
544 <  
545 <
546 <  
547 < #ifdef IS_MPI
548 <  if( worldRank == 0 ){
549 < #endif // is_mpi
550 <    
551 <    if( the_globals->haveFinalConfig() ){
552 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
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      }
554    else{
555      strcpy( simnfo->finalName, inFileName );
556      char* endTest;
557      int nameLength = strlen( simnfo->finalName );
558      endTest = &(simnfo->finalName[nameLength - 5]);
559      if( !strcmp( endTest, ".bass" ) ){
560        strcpy( endTest, ".eor" );
561      }
562      else if( !strcmp( endTest, ".BASS" ) ){
563        strcpy( endTest, ".eor" );
564      }
565      else{
566        endTest = &(simnfo->finalName[nameLength - 4]);
567        if( !strcmp( endTest, ".bss" ) ){
568          strcpy( endTest, ".eor" );
569        }
570        else if( !strcmp( endTest, ".mdl" ) ){
571          strcpy( endTest, ".eor" );
572        }
573        else{
574          strcat( simnfo->finalName, ".eor" );
575        }
576      }
577    }
555      
556 <    // make the sample and status out names
556 >    pos[0] = x + current_atom->getPosX();
557 >    pos[1] = y + current_atom->getPosY();
558 >    pos[2] = z + current_atom->getPosZ();
559      
560 <    strcpy( simnfo->sampleName, inFileName );
561 <    char* endTest;
562 <    int nameLength = strlen( simnfo->sampleName );
563 <    endTest = &(simnfo->sampleName[nameLength - 5]);
564 <    if( !strcmp( endTest, ".bass" ) ){
565 <      strcpy( endTest, ".dump" );
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 >      rotMat[0][0] = 1.0;
567 >      rotMat[0][1] = 0.0;
568 >      rotMat[0][2] = 0.0;
569 >
570 >      rotMat[1][0] = 0.0;
571 >      rotMat[1][1] = 1.0;
572 >      rotMat[1][2] = 0.0;
573 >
574 >      rotMat[2][0] = 0.0;
575 >      rotMat[2][1] = 0.0;
576 >      rotMat[2][2] = 1.0;
577 >
578 >      dAtom->setA( rotMat );
579      }
588    else if( !strcmp( endTest, ".BASS" ) ){
589      strcpy( endTest, ".dump" );
590    }
591    else{
592      endTest = &(simnfo->sampleName[nameLength - 4]);
593      if( !strcmp( endTest, ".bss" ) ){
594        strcpy( endTest, ".dump" );
595      }
596      else if( !strcmp( endTest, ".mdl" ) ){
597        strcpy( endTest, ".dump" );
598      }
599      else{
600        strcat( simnfo->sampleName, ".dump" );
601      }
602    }
603    
604    strcpy( simnfo->statusName, inFileName );
605    nameLength = strlen( simnfo->statusName );
606    endTest = &(simnfo->statusName[nameLength - 5]);
607    if( !strcmp( endTest, ".bass" ) ){
608      strcpy( endTest, ".stat" );
609    }
610    else if( !strcmp( endTest, ".BASS" ) ){
611      strcpy( endTest, ".stat" );
612    }
613    else{
614      endTest = &(simnfo->statusName[nameLength - 4]);
615      if( !strcmp( endTest, ".bss" ) ){
616        strcpy( endTest, ".stat" );
617      }
618      else if( !strcmp( endTest, ".mdl" ) ){
619        strcpy( endTest, ".stat" );
620      }
621      else{
622        strcat( simnfo->statusName, ".stat" );
623      }
624    }
625    
626 #ifdef IS_MPI
627  }
628 #endif // is_mpi
629  
630  // set the status, sample, and themal kick times
631  
632  if( the_globals->haveSampleTime() ){
633    simnfo->sampleTime = the_globals->getSampleTime();
634    simnfo->statusTime = simnfo->sampleTime;
635    simnfo->thermalTime = simnfo->sampleTime;
636  }
637  else{
638    simnfo->sampleTime = the_globals->getRunTime();
639    simnfo->statusTime = simnfo->sampleTime;
640    simnfo->thermalTime = simnfo->sampleTime;
641  }
580  
581 <  if( the_globals->haveStatusTime() ){
644 <    simnfo->statusTime = the_globals->getStatusTime();
581 >    current_atom_ndx++;
582    }
583  
584 <  if( the_globals->haveThermalTime() ){
585 <    simnfo->thermalTime = the_globals->getThermalTime();
649 <  }
584 >  current_mol++;
585 >  current_comp_mol++;
586  
587 <  // check for the temperature set flag
587 >  if( current_comp_mol >= components_nmol[current_comp] ){
588  
589 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
589 >    current_comp_mol = 0;
590 >    current_comp++;
591 >  }
592 > }
593  
594  
595 < //   // make the longe range forces and the integrator
595 > void SimSetup::gatherInfo( void ){
596 >  int i,j,k;
597  
598 < //   new AllLong( simnfo );
598 >  ensembleCase = -1;
599 >  ffCase = -1;
600  
601 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
661 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
601 >  // set the easy ones first
602  
603 < #ifdef IS_MPI
604 <  mpiSim->mpiRefresh();
605 < #endif
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  
667  // initialize the Fortran
610  
611 +  // get the forceField
612  
613 <  simnfo->refreshSim();
614 <  
615 <  if( !strcmp( simnfo->mixingRule, "standard") ){
616 <    the_ff->initForceField( LB_MIXING_RULE );
617 <  }
675 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
676 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
677 <  }
613 >  strcpy( force_field, globals->getForceField() );
614 >
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: unknown mixing rule -> \"%s\"\n",
621 <             simnfo->mixingRule );
620 >       "SimSetup Error. Unrecognized force field -> %s\n",
621 >       force_field );
622      painCave.isFatal = 1;
623      simError();
624    }
625  
626 +  // get the ensemble
627  
628 < #ifdef IS_MPI
688 <  strcpy( checkPointMsg,
689 <          "Successfully intialized the mixingRule for Fortran." );
690 <  MPIcheckPoint();
691 < #endif // is_mpi
692 < }
628 >  strcpy( ensemble, globals->getEnsemble() );
629  
630 <
631 < void SimSetup::makeMolecules( void ){
632 <
633 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
634 <  molInit info;
635 <  DirectionalAtom* dAtom;
636 <  LinkedAssign* extras;
637 <  LinkedAssign* current_extra;
638 <  AtomStamp* currentAtom;
639 <  BondStamp* currentBond;
640 <  BendStamp* currentBend;
641 <  TorsionStamp* currentTorsion;
642 <
643 <  bond_pair* theBonds;
644 <  bend_set* theBends;
645 <  torsion_set* theTorsions;
646 <
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 <  //init the forceField paramters
648 >  for(i=0; i<nInfo; i++){
649 >    
650 >    strcpy( info[i].ensemble, ensemble );
651  
652 <  the_ff->readParams();
652 >    // get the mixing rule
653  
654 +    strcpy( info[i].mixingRule, globals->getMixingRule() );
655 +    info[i].usePBC = globals->getPBC();
656 +  }
657    
658 <  // init the atoms
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  
719  double ux, uy, uz, u, uSqr;
720  
721  atomOffset = 0;
722  excludeOffset = 0;
723  for(i=0; i<simnfo->n_mol; i++){
724    
725    stampID = the_molecules[i].getStampID();
663  
664 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
665 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
666 <    info.nBends    = comp_stamps[stampID]->getNBends();
730 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
731 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
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 <    info.myAtoms = &the_atoms[atomOffset];
669 <    info.myExcludes = &the_excludes[excludeOffset];
735 <    info.myBonds = new Bond*[info.nBonds];
736 <    info.myBends = new Bend*[info.nBends];
737 <    info.myTorsions = new Torsion*[info.nTorsions];
668 >    tot_nmol = 0;
669 >    for( i=0; i<n_components; i++ ){
670  
671 <    theBonds = new bond_pair[info.nBonds];
672 <    theBends = new bend_set[info.nBends];
673 <    theTorsions = new torsion_set[info.nTorsions];
674 <    
675 <    // make the Atoms
676 <    
677 <    for(j=0; j<info.nAtoms; j++){
746 <      
747 <      currentAtom = comp_stamps[stampID]->getAtom( j );
748 <      if( currentAtom->haveOrientation() ){
749 <        
750 <        dAtom = new DirectionalAtom(j + atomOffset);
751 <        simnfo->n_oriented++;
752 <        info.myAtoms[j] = dAtom;
753 <        
754 <        ux = currentAtom->getOrntX();
755 <        uy = currentAtom->getOrntY();
756 <        uz = currentAtom->getOrntZ();
757 <        
758 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
759 <        
760 <        u = sqrt( uSqr );
761 <        ux = ux / u;
762 <        uy = uy / u;
763 <        uz = uz / u;
764 <        
765 <        dAtom->setSUx( ux );
766 <        dAtom->setSUy( uy );
767 <        dAtom->setSUz( uz );
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 <      else{
680 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
681 <      }
682 <      info.myAtoms[j]->setType( currentAtom->getType() );
679 >
680 >      tot_nmol += the_components[i]->getNMol();
681 >      components_nmol[i] = the_components[i]->getNMol();
682 >    }
683 >  }
684 >  else{
685 >    sprintf( painCave.errMsg,
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 < #ifdef IS_MPI
711 <      
712 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
777 <      
778 < #endif // is_mpi
779 <    }
710 >    if( globals->haveStatusTime() ){
711 >      info[i].statusTime = globals->getStatusTime();
712 >    }
713      
714 <    // make the bonds
715 <    for(j=0; j<info.nBonds; j++){
716 <      
784 <      currentBond = comp_stamps[stampID]->getBond( j );
785 <      theBonds[j].a = currentBond->getA() + atomOffset;
786 <      theBonds[j].b = currentBond->getB() + atomOffset;
714 >    if( globals->haveThermalTime() ){
715 >      info[i].thermalTime = globals->getThermalTime();
716 >    }
717  
718 <      exI = theBonds[j].a;
789 <      exJ = theBonds[j].b;
718 >    // check for the temperature set flag
719  
720 <      // exclude_I must always be the smaller of the pair
721 <      if( exI > exJ ){
722 <        tempEx = exI;
723 <        exI = exJ;
724 <        exJ = tempEx;
725 <      }
726 < #ifdef IS_MPI
727 <      tempEx = exI;
728 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
800 <      tempEx = exJ;
801 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
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 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
804 < #else  // isn't MPI
805 <
806 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
807 < #endif  //is_mpi
730 >      info[i].setBox( boxVector );
731      }
732 <    excludeOffset += info.nBonds;
810 <
811 <    //make the bends
812 <    for(j=0; j<info.nBends; j++){
732 >    else if( globals->haveDensity() ){
733        
734 <      currentBend = comp_stamps[stampID]->getBend( j );
735 <      theBends[j].a = currentBend->getA() + atomOffset;
736 <      theBends[j].b = currentBend->getB() + atomOffset;
737 <      theBends[j].c = currentBend->getC() + atomOffset;
738 <          
739 <      if( currentBend->haveExtras() ){
740 <            
741 <        extras = currentBend->getExtras();
742 <        current_extra = extras;
743 <            
744 <        while( current_extra != NULL ){
745 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
746 <                
747 <            switch( current_extra->getType() ){
828 <              
829 <            case 0:
830 <              theBends[j].ghost =
831 <                current_extra->getInt() + atomOffset;
832 <              theBends[j].isGhost = 1;
833 <              break;
834 <                  
835 <            case 1:
836 <              theBends[j].ghost =
837 <                (int)current_extra->getDouble() + atomOffset;
838 <              theBends[j].isGhost = 1;
839 <              break;
840 <              
841 <            default:
842 <              sprintf( painCave.errMsg,
843 <                       "SimSetup Error: ghostVectorSource was neither a "
844 <                       "double nor an int.\n"
845 <                       "-->Bend[%d] in %s\n",
846 <                       j, comp_stamps[stampID]->getID() );
847 <              painCave.isFatal = 1;
848 <              simError();
849 <            }
850 <          }
851 <          
852 <          else{
853 <            
854 <            sprintf( painCave.errMsg,
855 <                     "SimSetup Error: unhandled bend assignment:\n"
856 <                     "    -->%s in Bend[%d] in %s\n",
857 <                     current_extra->getlhs(),
858 <                     j, comp_stamps[stampID]->getID() );
859 <            painCave.isFatal = 1;
860 <            simError();
861 <          }
862 <          
863 <          current_extra = current_extra->getNext();
864 <        }
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 <          
867 <      if( !theBends[j].isGhost ){
868 <            
869 <        exI = theBends[j].a;
870 <        exJ = theBends[j].c;
871 <      }
872 <      else{
873 <        
874 <        exI = theBends[j].a;
875 <        exJ = theBends[j].b;
876 <      }
749 >      boxVector[0] = globals->getBoxX();
750        
751 <      // exclude_I must always be the smaller of the pair
752 <      if( exI > exJ ){
753 <        tempEx = exI;
754 <        exI = exJ;
755 <        exJ = tempEx;
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 < #ifdef IS_MPI
885 <      tempEx = exI;
886 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
887 <      tempEx = exJ;
888 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
757 >      boxVector[1] = globals->getBoxY();
758        
759 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
760 < #else  // isn't MPI
761 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
762 < #endif  //is_mpi
763 <    }
895 <    excludeOffset += info.nBends;
896 <
897 <    for(j=0; j<info.nTorsions; j++){
898 <      
899 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
900 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
901 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
902 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
903 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
904 <      
905 <      exI = theTorsions[j].a;
906 <      exJ = theTorsions[j].d;
907 <
908 <      // exclude_I must always be the smaller of the pair
909 <      if( exI > exJ ){
910 <        tempEx = exI;
911 <        exI = exJ;
912 <        exJ = tempEx;
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 < #ifdef IS_MPI
915 <      tempEx = exI;
916 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
917 <      tempEx = exJ;
918 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
765 >      boxVector[2] = globals->getBoxZ();
766        
767 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
921 < #else  // isn't MPI
922 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
923 < #endif  //is_mpi
767 >      info[i].setBox( boxVector );
768      }
925    excludeOffset += info.nTorsions;
769  
770 +  }
771      
772 <    // send the arrays off to the forceField for init.
772 > #ifdef IS_MPI
773 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
774 >  MPIcheckPoint();
775 > #endif // is_mpi
776  
777 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
931 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
932 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
933 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
777 > }
778  
779  
780 <    the_molecules[i].initialize( info );
780 > void SimSetup::finalInfoCheck( void ){
781 >  int index;
782 >  int usesDipoles;
783 >  int i;
784 >
785 >  for(i=0; i<nInfo; i++){
786 >    // check electrostatic parameters
787 >    
788 >    index = 0;
789 >    usesDipoles = 0;
790 >    while( (index < info[i].n_atoms) && !usesDipoles ){
791 >      usesDipoles = (info[i].atoms[index])->hasDipole();
792 >      index++;
793 >    }
794 >    
795 > #ifdef IS_MPI
796 >    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 >      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 +  strcpy( checkPointMsg, "post processing checks out" );
884 +  MPIcheckPoint();
885 + #endif // is_mpi
886  
887 <    atomOffset += info.nAtoms;
940 <    delete[] theBonds;
941 <    delete[] theBends;
942 <    delete[] theTorsions;
943 <  }
887 > }
888  
889 + void SimSetup::initSystemCoords( void ){
890 +  int i;
891 +  
892 +  char* inName;
893 +
894 +
895 +  (info[0].getConfiguration())->createArrays( info[0].n_atoms );
896 +  
897 +  for(i=0; i<info[0].n_atoms; i++) info[0].atoms[i]->setCoords();
898 +  
899 +  if( globals->haveInitialConfig() ){
900 +    
901 +    InitializeFromFile* fileInit;
902 + #ifdef IS_MPI // is_mpi
903 +    if( worldRank == 0 ){
904 + #endif //is_mpi
905 +      inName = globals->getInitialConfig();
906 +      double* tempDouble = new double[1000000];
907 +      fileInit = new InitializeFromFile( inName );
908   #ifdef IS_MPI
909 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
909 >    }else fileInit = new InitializeFromFile( NULL );
910 > #endif
911 >    fileInit->readInit( info ); // default velocities on
912 >    
913 >    delete fileInit;
914 >  }
915 >  else{
916 >    
917 > #ifdef IS_MPI
918 >    
919 >    // no init from bass
920 >    
921 >    sprintf( painCave.errMsg,
922 >       "Cannot intialize a parallel simulation without an initial configuration file.\n" );
923 >    painCave.isFatal;
924 >    simError();
925 >    
926 > #else
927 >    
928 >    initFromBass();
929 >    
930 >    
931 > #endif
932 >  }
933 >  
934 > #ifdef IS_MPI
935 >  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
936    MPIcheckPoint();
937   #endif // is_mpi
938 +  
939 + }
940  
950  // clean up the forcefield
951  the_ff->calcRcut();
952  the_ff->cleanMe();
941  
942 + void SimSetup::makeOutNames( void ){
943 +  
944 +  int k;
945 +
946 +  
947 +  for(k=0; k<nInfo; k++){
948 +
949 + #ifdef IS_MPI
950 +    if( worldRank == 0 ){
951 + #endif // is_mpi
952 +      
953 +      if( globals->haveFinalConfig() ){
954 +  strcpy( info[k].finalName, globals->getFinalConfig() );
955 +      }
956 +      else{
957 +  strcpy( info[k].finalName, inFileName );
958 +  char* endTest;
959 +  int nameLength = strlen( info[k].finalName );
960 +  endTest = &(info[k].finalName[nameLength - 5]);
961 +  if( !strcmp( endTest, ".bass" ) ){
962 +    strcpy( endTest, ".eor" );
963 +  }
964 +  else if( !strcmp( endTest, ".BASS" ) ){
965 +    strcpy( endTest, ".eor" );
966 +  }
967 +  else{
968 +    endTest = &(info[k].finalName[nameLength - 4]);
969 +    if( !strcmp( endTest, ".bss" ) ){
970 +      strcpy( endTest, ".eor" );
971 +    }
972 +    else if( !strcmp( endTest, ".mdl" ) ){
973 +      strcpy( endTest, ".eor" );
974 +    }
975 +    else{
976 +      strcat( info[k].finalName, ".eor" );
977 +    }
978 +  }
979 +      }
980 +      
981 +      // make the sample and status out names
982 +      
983 +      strcpy( info[k].sampleName, inFileName );
984 +      char* endTest;
985 +      int nameLength = strlen( info[k].sampleName );
986 +      endTest = &(info[k].sampleName[nameLength - 5]);
987 +      if( !strcmp( endTest, ".bass" ) ){
988 +  strcpy( endTest, ".dump" );
989 +      }
990 +      else if( !strcmp( endTest, ".BASS" ) ){
991 +  strcpy( endTest, ".dump" );
992 +      }
993 +      else{
994 +  endTest = &(info[k].sampleName[nameLength - 4]);
995 +  if( !strcmp( endTest, ".bss" ) ){
996 +    strcpy( endTest, ".dump" );
997 +  }
998 +  else if( !strcmp( endTest, ".mdl" ) ){
999 +    strcpy( endTest, ".dump" );
1000 +  }
1001 +  else{
1002 +    strcat( info[k].sampleName, ".dump" );
1003 +  }
1004 +      }
1005 +      
1006 +      strcpy( info[k].statusName, inFileName );
1007 +      nameLength = strlen( info[k].statusName );
1008 +      endTest = &(info[k].statusName[nameLength - 5]);
1009 +      if( !strcmp( endTest, ".bass" ) ){
1010 +  strcpy( endTest, ".stat" );
1011 +      }
1012 +      else if( !strcmp( endTest, ".BASS" ) ){
1013 +  strcpy( endTest, ".stat" );
1014 +      }
1015 +      else{
1016 +  endTest = &(info[k].statusName[nameLength - 4]);
1017 +  if( !strcmp( endTest, ".bss" ) ){
1018 +    strcpy( endTest, ".stat" );
1019 +  }
1020 +  else if( !strcmp( endTest, ".mdl" ) ){
1021 +    strcpy( endTest, ".stat" );
1022 +  }
1023 +  else{
1024 +    strcat( info[k].statusName, ".stat" );
1025 +  }
1026 +      }
1027 +      
1028 + #ifdef IS_MPI
1029 +    }
1030 + #endif // is_mpi
1031 +  }
1032   }
1033  
956 void SimSetup::initFromBass( void ){
1034  
1035 <  int i, j, k;
1036 <  int n_cells;
1037 <  double cellx, celly, cellz;
1038 <  double temp1, temp2, temp3;
1039 <  int n_per_extra;
963 <  int n_extra;
964 <  int have_extra, done;
1035 > void SimSetup::sysObjectsCreation( void ){
1036 >  
1037 >  int i,k;
1038 >  
1039 >  // create the forceField
1040  
1041 <  temp1 = (double)tot_nmol / 4.0;
967 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
968 <  temp3 = ceil( temp2 );
1041 >  createFF();
1042  
1043 <  have_extra =0;
971 <  if( temp2 < temp3 ){ // we have a non-complete lattice
972 <    have_extra =1;
1043 >  // extract componentList
1044  
1045 <    n_cells = (int)temp3 - 1;
975 <    cellx = simnfo->box_x / temp3;
976 <    celly = simnfo->box_y / temp3;
977 <    cellz = simnfo->box_z / temp3;
978 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
979 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
980 <    n_per_extra = (int)ceil( temp1 );
1045 >  compList();
1046  
1047 <    if( n_per_extra > 4){
1048 <      sprintf( painCave.errMsg,
1049 <               "SimSetup error. There has been an error in constructing"
1050 <               " the non-complete lattice.\n" );
1051 <      painCave.isFatal = 1;
1052 <      simError();
1047 >  // calc the number of atoms, bond, bends, and torsions
1048 >
1049 >  calcSysValues();
1050 >
1051 > #ifdef IS_MPI
1052 >  // divide the molecules among the processors
1053 >  
1054 >  mpiMolDivide();
1055 > #endif //is_mpi
1056 >  
1057 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1058 >
1059 >  makeSysArrays();
1060 >
1061 >  // make and initialize the molecules (all but atomic coordinates)
1062 >
1063 >  makeMolecules();
1064 >  
1065 >  for(k=0; k<nInfo; k++){
1066 >    info[k].identArray = new int[info[k].n_atoms];
1067 >    for(i=0; i<info[k].n_atoms; i++){
1068 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1069      }
1070    }
1071 <  else{
1072 <    n_cells = (int)temp3;
1073 <    cellx = simnfo->box_x / temp3;
1074 <    celly = simnfo->box_y / temp3;
1075 <    cellz = simnfo->box_z / temp3;
1071 > }
1072 >
1073 >
1074 > void SimSetup::createFF( void ){
1075 >
1076 >  switch( ffCase ){
1077 >
1078 >  case FF_DUFF:
1079 >    the_ff = new DUFF();
1080 >    break;
1081 >
1082 >  case FF_LJ:
1083 >    the_ff = new LJFF();
1084 >    break;
1085 >
1086 >  case FF_EAM:
1087 >    the_ff = new EAM_FF();
1088 >    break;
1089 >
1090 >  default:
1091 >    sprintf( painCave.errMsg,
1092 >       "SimSetup Error. Unrecognized force field in case statement.\n");
1093 >    painCave.isFatal = 1;
1094 >    simError();
1095 >  }
1096 >
1097 > #ifdef IS_MPI
1098 >  strcpy( checkPointMsg, "ForceField creation successful" );
1099 >  MPIcheckPoint();
1100 > #endif // is_mpi
1101 >
1102 > }
1103 >
1104 >
1105 > void SimSetup::compList( void ){
1106 >
1107 >  int i;
1108 >  char* id;
1109 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1110 >  LinkedMolStamp* currentStamp = NULL;
1111 >  comp_stamps = new MoleculeStamp*[n_components];
1112 >  
1113 >  // make an array of molecule stamps that match the components used.
1114 >  // also extract the used stamps out into a separate linked list
1115 >  
1116 >  for(i=0; i<nInfo; i++){
1117 >    info[i].nComponents = n_components;
1118 >    info[i].componentsNmol = components_nmol;
1119 >    info[i].compStamps = comp_stamps;
1120 >    info[i].headStamp = headStamp;
1121 >  }
1122 >  
1123 >
1124 >  for( i=0; i<n_components; i++ ){
1125 >
1126 >    id = the_components[i]->getType();
1127 >    comp_stamps[i] = NULL;
1128 >    
1129 >    // check to make sure the component isn't already in the list
1130 >
1131 >    comp_stamps[i] = headStamp->match( id );
1132 >    if( comp_stamps[i] == NULL ){
1133 >      
1134 >      // extract the component from the list;
1135 >      
1136 >      currentStamp = stamps->extractMolStamp( id );
1137 >      if( currentStamp == NULL ){
1138 >  sprintf( painCave.errMsg,
1139 >     "SimSetup error: Component \"%s\" was not found in the "
1140 >     "list of declared molecules\n",
1141 >     id );
1142 >  painCave.isFatal = 1;
1143 >  simError();
1144 >      }
1145 >      
1146 >      headStamp->add( currentStamp );
1147 >      comp_stamps[i] = headStamp->match( id );
1148 >    }
1149 >  }
1150 >
1151 > #ifdef IS_MPI
1152 >  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1153 >  MPIcheckPoint();
1154 > #endif // is_mpi
1155 >
1156 >
1157 > }
1158 >
1159 > void SimSetup::calcSysValues( void ){
1160 >  int i, j, k;
1161 >  
1162 >  int *molMembershipArray;
1163 >  
1164 >  tot_atoms = 0;
1165 >  tot_bonds = 0;
1166 >  tot_bends = 0;
1167 >  tot_torsions = 0;
1168 >  for( i=0; i<n_components; i++ ){
1169 >    
1170 >    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
1171 >    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
1172 >    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
1173 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1174    }
1175 +  
1176 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1177 +  molMembershipArray = new int[tot_atoms];
1178 +  
1179 +  for(i=0; i<nInfo; i++){
1180 +    info[i].n_atoms = tot_atoms;
1181 +    info[i].n_bonds = tot_bonds;
1182 +    info[i].n_bends = tot_bends;
1183 +    info[i].n_torsions = tot_torsions;
1184 +    info[i].n_SRI = tot_SRI;
1185 +    info[i].n_mol = tot_nmol;
1186 +    
1187 +    info[i].molMembershipArray = molMembershipArray;
1188 +  }
1189 + }
1190  
1191 <  current_mol = 0;
998 <  current_comp_mol = 0;
999 <  current_comp = 0;
1000 <  current_atom_ndx = 0;
1191 > #ifdef IS_MPI
1192  
1193 <  for( i=0; i < n_cells ; i++ ){
1194 <    for( j=0; j < n_cells; j++ ){
1195 <      for( k=0; k < n_cells; k++ ){
1193 > void SimSetup::mpiMolDivide( void ){
1194 >  
1195 >  int i, j, k;
1196 >  int localMol, allMol;
1197 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1198  
1199 <        makeElement( i * cellx,
1200 <                     j * celly,
1201 <                     k * cellz );
1199 >  mpiSim = new mpiSimulation( info );
1200 >  
1201 >  globalIndex = mpiSim->divideLabor();
1202  
1203 <        makeElement( i * cellx + 0.5 * cellx,
1204 <                     j * celly + 0.5 * celly,
1205 <                     k * cellz );
1203 >  // set up the local variables
1204 >  
1205 >  mol2proc = mpiSim->getMolToProcMap();
1206 >  molCompType = mpiSim->getMolComponentType();
1207 >  
1208 >  allMol = 0;
1209 >  localMol = 0;
1210 >  local_atoms = 0;
1211 >  local_bonds = 0;
1212 >  local_bends = 0;
1213 >  local_torsions = 0;
1214 >  globalAtomIndex = 0;
1215  
1014        makeElement( i * cellx,
1015                     j * celly + 0.5 * celly,
1016                     k * cellz + 0.5 * cellz );
1216  
1217 <        makeElement( i * cellx + 0.5 * cellx,
1218 <                     j * celly,
1219 <                     k * cellz + 0.5 * cellz );
1217 >  for( i=0; i<n_components; i++ ){
1218 >
1219 >    for( j=0; j<components_nmol[i]; j++ ){
1220 >      
1221 >      if( mol2proc[allMol] == worldRank ){
1222 >  
1223 >  local_atoms +=    comp_stamps[i]->getNAtoms();
1224 >  local_bonds +=    comp_stamps[i]->getNBonds();
1225 >  local_bends +=    comp_stamps[i]->getNBends();
1226 >  local_torsions += comp_stamps[i]->getNTorsions();
1227 >  localMol++;
1228 >      }      
1229 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1230 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1231 >        globalAtomIndex++;
1232        }
1233 +
1234 +      allMol++;      
1235      }
1236    }
1237 +  local_SRI = local_bonds + local_bends + local_torsions;
1238 +  
1239 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1240 +  
1241 +  if( local_atoms != info[0].n_atoms ){
1242 +    sprintf( painCave.errMsg,
1243 +       "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1244 +       " localAtom (%d) are not equal.\n",
1245 +       info[0].n_atoms,
1246 +       local_atoms );
1247 +    painCave.isFatal = 1;
1248 +    simError();
1249 +  }
1250  
1251 <  if( have_extra ){
1252 <    done = 0;
1251 >  info[0].n_bonds = local_bonds;
1252 >  info[0].n_bends = local_bends;
1253 >  info[0].n_torsions = local_torsions;
1254 >  info[0].n_SRI = local_SRI;
1255 >  info[0].n_mol = localMol;
1256  
1257 <    int start_ndx;
1258 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1259 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1257 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1258 >  MPIcheckPoint();
1259 > }
1260 >
1261 > #endif // is_mpi
1262  
1032        if( i < n_cells ){
1263  
1264 <          if( j < n_cells ){
1265 <            start_ndx = n_cells;
1036 <          }
1037 <          else start_ndx = 0;
1038 <        }
1039 <        else start_ndx = 0;
1264 > void SimSetup::makeSysArrays( void ){
1265 >  int i, j, k, l;
1266  
1267 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1267 >  Atom** the_atoms;
1268 >  Molecule* the_molecules;
1269 >  Exclude** the_excludes;
1270  
1271 <          makeElement( i * cellx,
1272 <                       j * celly,
1273 <                       k * cellz );
1274 <          done = ( current_mol >= tot_nmol );
1271 >  
1272 >  for(l=0; l<nInfo; l++){
1273 >    
1274 >    // create the atom and short range interaction arrays
1275 >    
1276 >    the_atoms = new Atom*[info[l].n_atoms];
1277 >    the_molecules = new Molecule[info[l].n_mol];
1278 >    int molIndex;
1279  
1280 <          if( !done && n_per_extra > 1 ){
1281 <            makeElement( i * cellx + 0.5 * cellx,
1282 <                         j * celly + 0.5 * celly,
1283 <                         k * cellz );
1284 <            done = ( current_mol >= tot_nmol );
1285 <          }
1280 >    // initialize the molecule's stampID's
1281 >    
1282 > #ifdef IS_MPI
1283 >    
1284 >    
1285 >    molIndex = 0;
1286 >    for(i=0; i<mpiSim->getTotNmol(); i++){
1287 >    
1288 >      if(mol2proc[i] == worldRank ){
1289 >  the_molecules[molIndex].setStampID( molCompType[i] );
1290 >  the_molecules[molIndex].setMyIndex( molIndex );
1291 >  the_molecules[molIndex].setGlobalIndex( i );
1292 >  molIndex++;
1293 >      }
1294 >    }
1295 >    
1296 > #else // is_mpi
1297 >    
1298 >    molIndex = 0;
1299 >    globalAtomIndex = 0;
1300 >    for(i=0; i<n_components; i++){
1301 >      for(j=0; j<components_nmol[i]; j++ ){
1302 >  the_molecules[molIndex].setStampID( i );
1303 >  the_molecules[molIndex].setMyIndex( molIndex );
1304 >  the_molecules[molIndex].setGlobalIndex( molIndex );
1305 >  for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1306 >    info[l].molMembershipArray[globalAtomIndex] = molIndex;
1307 >    globalAtomIndex++;
1308 >  }
1309 >  molIndex++;
1310 >      }
1311 >    }
1312 >    
1313 >    
1314 > #endif // is_mpi
1315  
1055          if( !done && n_per_extra > 2){
1056            makeElement( i * cellx,
1057                         j * celly + 0.5 * celly,
1058                         k * cellz + 0.5 * cellz );
1059            done = ( current_mol >= tot_nmol );
1060          }
1316  
1317 <          if( !done && n_per_extra > 3){
1318 <            makeElement( i * cellx + 0.5 * cellx,
1319 <                         j * celly,
1320 <                         k * cellz + 0.5 * cellz );
1321 <            done = ( current_mol >= tot_nmol );
1322 <          }
1068 <        }
1317 >    if( info[l].n_SRI ){
1318 >    
1319 >      Exclude::createArray(info[l].n_SRI);
1320 >      the_excludes = new Exclude*[info[l].n_SRI];
1321 >      for( int ex=0; ex<info[l].n_SRI; ex++){
1322 >  the_excludes[ex] = new Exclude(ex);
1323        }
1324 +      info[l].globalExcludes = new int;
1325 +      info[l].n_exclude = info[l].n_SRI;
1326      }
1327 <  }
1327 >    else{
1328 >    
1329 >      Exclude::createArray( 1 );
1330 >      the_excludes = new Exclude*;
1331 >      the_excludes[0] = new Exclude(0);
1332 >      the_excludes[0]->setPair( 0,0 );
1333 >      info[l].globalExcludes = new int;
1334 >      info[l].globalExcludes[0] = 0;
1335 >      info[l].n_exclude = 0;
1336 >    }
1337  
1338 +    // set the arrays into the SimInfo object
1339  
1340 <  for( i=0; i<simnfo->n_atoms; i++ ){
1341 <    simnfo->atoms[i]->set_vx( 0.0 );
1342 <    simnfo->atoms[i]->set_vy( 0.0 );
1343 <    simnfo->atoms[i]->set_vz( 0.0 );
1340 >    info[l].atoms = the_atoms;
1341 >    info[l].molecules = the_molecules;
1342 >    info[l].nGlobalExcludes = 0;
1343 >    info[l].excludes = the_excludes;
1344 >
1345 >    the_ff->setSimInfo( info );
1346 >    
1347    }
1348   }
1349  
1350 < void SimSetup::makeElement( double x, double y, double z ){
1350 > void SimSetup::makeIntegrator( void ){
1351  
1352    int k;
1084  AtomStamp* current_atom;
1085  DirectionalAtom* dAtom;
1086  double rotMat[3][3];
1353  
1354 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1354 >  NVT<RealIntegrator>*  myNVT = NULL;
1355 >  NPTi<RealIntegrator>* myNPTi = NULL;
1356 >  NPTf<RealIntegrator>* myNPTf = NULL;
1357 >  NPTim<RealIntegrator>* myNPTim = NULL;
1358 >  NPTfm<RealIntegrator>* myNPTfm = NULL;
1359 >        
1360 >  for(k=0; k<nInfo; k++){
1361 >    
1362 >    switch( ensembleCase ){
1363 >      
1364 >    case NVE_ENS:
1365 >      if (globals->haveZconstraints()){
1366 >        setupZConstraint(info[k]);
1367 >        new ZConstraint<NVE<RealIntegrator> >( &(info[k]), the_ff );
1368 >     }
1369  
1370 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1371 <    if( !current_atom->havePosition() ){
1370 >     else
1371 >        new NVE<RealIntegrator>( &(info[k]), the_ff );
1372 >      break;
1373 >      
1374 >    case NVT_ENS:
1375 >      if (globals->haveZconstraints()){
1376 >        setupZConstraint(info[k]);
1377 >        myNVT = new ZConstraint<NVT<RealIntegrator> >( &(info[k]), the_ff );
1378 >      }
1379 >      else
1380 >        myNVT = new NVT<RealIntegrator>( &(info[k]), the_ff );
1381 >
1382 >        myNVT->setTargetTemp(globals->getTargetTemp());
1383 >      
1384 >        if (globals->haveTauThermostat())
1385 >          myNVT->setTauThermostat(globals->getTauThermostat());
1386 >      
1387 >        else {
1388 >          sprintf( painCave.errMsg,
1389 >                    "SimSetup error: If you use the NVT\n"
1390 >                    "    ensemble, you must set tauThermostat.\n");
1391 >          painCave.isFatal = 1;
1392 >          simError();
1393 >        }
1394 >        break;
1395 >      
1396 >    case NPTi_ENS:
1397 >      if (globals->haveZconstraints()){
1398 >             setupZConstraint(info[k]);
1399 >         myNPTi = new ZConstraint<NPTi<RealIntegrator> >( &(info[k]), the_ff );
1400 >      }
1401 >      else
1402 >        myNPTi = new NPTi<RealIntegrator>( &(info[k]), the_ff );
1403 >
1404 >      myNPTi->setTargetTemp( globals->getTargetTemp() );
1405 >          
1406 >      if (globals->haveTargetPressure())
1407 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1408 >      else {
1409 >         sprintf( painCave.errMsg,
1410 >                   "SimSetup error: If you use a constant pressure\n"
1411 >                   "    ensemble, you must set targetPressure in the BASS file.\n");
1412 >         painCave.isFatal = 1;
1413 >         simError();
1414 >      }
1415 >          
1416 >      if( globals->haveTauThermostat() )
1417 >        myNPTi->setTauThermostat( globals->getTauThermostat() );
1418 >      else{
1419 >         sprintf( painCave.errMsg,
1420 >                   "SimSetup error: If you use an NPT\n"
1421 >                  "    ensemble, you must set tauThermostat.\n");
1422 >         painCave.isFatal = 1;
1423 >         simError();
1424 >      }
1425 >          
1426 >      if( globals->haveTauBarostat() )
1427 >        myNPTi->setTauBarostat( globals->getTauBarostat() );
1428 >      else{
1429 >        sprintf( painCave.errMsg,
1430 >                  "SimSetup error: If you use an NPT\n"
1431 >                  "    ensemble, you must set tauBarostat.\n");
1432 >        painCave.isFatal = 1;
1433 >        simError();
1434 >       }
1435 >       break;
1436 >      
1437 >    case NPTf_ENS:
1438 >      if (globals->haveZconstraints()){
1439 >        setupZConstraint(info[k]);
1440 >        myNPTf = new ZConstraint<NPTf<RealIntegrator> >( &(info[k]), the_ff );
1441 >      }
1442 >      else
1443 >        myNPTf = new NPTf<RealIntegrator>( &(info[k]), the_ff );
1444 >
1445 >      myNPTf->setTargetTemp( globals->getTargetTemp());
1446 >          
1447 >      if (globals->haveTargetPressure())
1448 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1449 >      else {
1450 >        sprintf( painCave.errMsg,
1451 >                  "SimSetup error: If you use a constant pressure\n"
1452 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1453 >        painCave.isFatal = 1;
1454 >        simError();
1455 >      }    
1456 >          
1457 >      if( globals->haveTauThermostat() )
1458 >        myNPTf->setTauThermostat( globals->getTauThermostat() );
1459 >      else{
1460 >        sprintf( painCave.errMsg,
1461 >         "SimSetup error: If you use an NPT\n"
1462 >                   "    ensemble, you must set tauThermostat.\n");
1463 >        painCave.isFatal = 1;
1464 >        simError();
1465 >      }
1466 >          
1467 >      if( globals->haveTauBarostat() )
1468 >        myNPTf->setTauBarostat( globals->getTauBarostat() );
1469 >      else{
1470 >        sprintf( painCave.errMsg,
1471 >                  "SimSetup error: If you use an NPT\n"
1472 >                  "    ensemble, you must set tauBarostat.\n");
1473 >        painCave.isFatal = 1;
1474 >        simError();
1475 >      }
1476 >      break;
1477 >      
1478 >    case NPTim_ENS:
1479 >      if (globals->haveZconstraints()){
1480 >        setupZConstraint(info[k]);
1481 >        myNPTim = new ZConstraint<NPTim<RealIntegrator> >( &(info[k]), the_ff );
1482 >      }
1483 >      else
1484 >        myNPTim = new NPTim<RealIntegrator>( &(info[k]), the_ff );
1485 >
1486 >        myNPTim->setTargetTemp( globals->getTargetTemp());
1487 >          
1488 >      if (globals->haveTargetPressure())
1489 >        myNPTim->setTargetPressure(globals->getTargetPressure());
1490 >      else {
1491 >        sprintf( painCave.errMsg,
1492 >                  "SimSetup error: If you use a constant pressure\n"
1493 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1494 >        painCave.isFatal = 1;
1495 >        simError();
1496 >      }
1497 >          
1498 >      if( globals->haveTauThermostat() )
1499 >        myNPTim->setTauThermostat( globals->getTauThermostat() );
1500 >      else{
1501 >        sprintf( painCave.errMsg,
1502 >                  "SimSetup error: If you use an NPT\n"
1503 >                  "    ensemble, you must set tauThermostat.\n");
1504 >        painCave.isFatal = 1;
1505 >        simError();
1506 >      }
1507 >          
1508 >      if( globals->haveTauBarostat() )
1509 >        myNPTim->setTauBarostat( globals->getTauBarostat() );
1510 >      else{
1511 >        sprintf( painCave.errMsg,
1512 >                   "SimSetup error: If you use an NPT\n"
1513 >                   "    ensemble, you must set tauBarostat.\n");
1514 >        painCave.isFatal = 1;
1515 >        simError();
1516 >      }
1517 >      break;
1518 >      
1519 >    case NPTfm_ENS:
1520 >      if (globals->haveZconstraints()){
1521 >        setupZConstraint(info[k]);
1522 >        myNPTfm = new ZConstraint<NPTfm<RealIntegrator> >( &(info[k]), the_ff );
1523 >      }
1524 >      else
1525 >        myNPTfm = new NPTfm<RealIntegrator>( &(info[k]), the_ff );
1526 >
1527 >      myNPTfm->setTargetTemp( globals->getTargetTemp());
1528 >
1529 >      if (globals->haveTargetPressure())
1530 >        myNPTfm->setTargetPressure(globals->getTargetPressure());
1531 >      else {
1532 >        sprintf( painCave.errMsg,
1533 >                  "SimSetup error: If you use a constant pressure\n"
1534 >                  "    ensemble, you must set targetPressure in the BASS file.\n");
1535 >        painCave.isFatal = 1;
1536 >        simError();
1537 >      }
1538 >
1539 >      if( globals->haveTauThermostat() )
1540 >        myNPTfm->setTauThermostat( globals->getTauThermostat() );
1541 >      else{
1542 >        sprintf( painCave.errMsg,
1543 >                  "SimSetup error: If you use an NPT\n"
1544 >                  "    ensemble, you must set tauThermostat.\n");
1545 >        painCave.isFatal = 1;
1546 >        simError();
1547 >      }
1548 >
1549 >      if( globals->haveTauBarostat() )
1550 >        myNPTfm->setTauBarostat( globals->getTauBarostat() );
1551 >      else{
1552 >        sprintf( painCave.errMsg,
1553 >                  "SimSetup error: If you use an NPT\n"
1554 >                  "    ensemble, you must set tauBarostat.\n");
1555 >        painCave.isFatal = 1;
1556 >        simError();
1557 >      }
1558 >      break;
1559 >      
1560 >    default:
1561        sprintf( painCave.errMsg,
1562 <               "SimSetup:initFromBass error.\n"
1094 <               "\tComponent %s, atom %s does not have a position specified.\n"
1095 <               "\tThe initialization routine is unable to give a start"
1096 <               " position.\n",
1097 <               comp_stamps[current_comp]->getID(),
1098 <               current_atom->getType() );
1562 >                 "SimSetup Error. Unrecognized ensemble in case statement.\n");
1563        painCave.isFatal = 1;
1564        simError();
1565      }
1566 +  }
1567 + }
1568  
1569 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1104 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1105 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1569 > void SimSetup::initFortran( void ){
1570  
1571 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1571 >  info[0].refreshSim();
1572 >  
1573 >  if( !strcmp( info[0].mixingRule, "standard") ){
1574 >    the_ff->initForceField( LB_MIXING_RULE );
1575 >  }
1576 >  else if( !strcmp( info[0].mixingRule, "explicit") ){
1577 >    the_ff->initForceField( EXPLICIT_MIXING_RULE );
1578 >  }
1579 >  else{
1580 >    sprintf( painCave.errMsg,
1581 >       "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1582 >       info[0].mixingRule );
1583 >    painCave.isFatal = 1;
1584 >    simError();
1585 >  }
1586  
1109      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1587  
1588 <      rotMat[0][0] = 1.0;
1589 <      rotMat[0][1] = 0.0;
1590 <      rotMat[0][2] = 0.0;
1588 > #ifdef IS_MPI
1589 >  strcpy( checkPointMsg,
1590 >    "Successfully intialized the mixingRule for Fortran." );
1591 >  MPIcheckPoint();
1592 > #endif // is_mpi
1593  
1594 <      rotMat[1][0] = 0.0;
1116 <      rotMat[1][1] = 1.0;
1117 <      rotMat[1][2] = 0.0;
1594 > }
1595  
1596 <      rotMat[2][0] = 0.0;
1597 <      rotMat[2][1] = 0.0;
1598 <      rotMat[2][2] = 1.0;
1596 > void SimSetup::setupZConstraint(SimInfo& theInfo)
1597 > {
1598 >  int nZConstraints;
1599 >  ZconStamp** zconStamp;
1600  
1601 <      dAtom->setA( rotMat );
1602 <    }
1601 >  if(globals->haveZconstraintTime()){  
1602 >    
1603 >    //add sample time of z-constraint  into SimInfo's property list                    
1604 >    DoubleData* zconsTimeProp = new DoubleData();
1605 >    zconsTimeProp->setID(ZCONSTIME_ID);
1606 >    zconsTimeProp->setData(globals->getZconsTime());
1607 >    theInfo.addProperty(zconsTimeProp);
1608 >  }
1609 >  else{
1610 >    sprintf( painCave.errMsg,
1611 >       "ZConstraint error: If you use an ZConstraint\n"
1612 >       " , you must set sample time.\n");
1613 >    painCave.isFatal = 1;
1614 >    simError();      
1615 >  }
1616  
1617 <    current_atom_ndx++;
1617 >  //push zconsTol into siminfo, if user does not specify
1618 >  //value for zconsTol, a default value will be used
1619 >  DoubleData* zconsTol = new DoubleData();
1620 >  zconsTol->setID(ZCONSTOL_ID);
1621 >  if(globals->haveZconsTol()){
1622 >    zconsTol->setData(globals->getZconsTol());
1623    }
1624 +  else{
1625 +  double defaultZConsTol = 0.01;
1626 +    sprintf( painCave.errMsg,
1627 +       "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1628 +       " , default value %f is used.\n", defaultZConsTol);
1629 +    painCave.isFatal = 0;
1630 +    simError();      
1631  
1632 <  current_mol++;
1633 <  current_comp_mol++;
1632 >    zconsTol->setData(defaultZConsTol);
1633 >  }
1634 >  theInfo.addProperty(zconsTol);
1635  
1636 <  if( current_comp_mol >= components_nmol[current_comp] ){
1636 >  //set Force Substraction Policy
1637 >  StringData* zconsForcePolicy =  new StringData();
1638 >  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1639 >  
1640 >  if(globals->haveZconsForcePolicy()){
1641 >    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1642 >  }  
1643 >  else{
1644 >     sprintf( painCave.errMsg,
1645 >             "ZConstraint Warning: User does not set force substraction policy, "
1646 >             "average force substraction policy is used\n");
1647 >     painCave.isFatal = 0;
1648 >     simError();
1649 >     zconsForcePolicy->setData("BYNUMBER");
1650 >  }
1651 >
1652 > theInfo.addProperty(zconsForcePolicy);
1653 >
1654 >  //Determine the name of ouput file and add it into SimInfo's property list
1655 >  //Be careful, do not use inFileName, since it is a pointer which
1656 >  //point to a string at master node, and slave nodes do not contain that string
1657 >  
1658 >  string zconsOutput(theInfo.finalName);
1659 >  
1660 >  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1661 >  
1662 >  StringData* zconsFilename = new StringData();
1663 >  zconsFilename->setID(ZCONSFILENAME_ID);
1664 >  zconsFilename->setData(zconsOutput);
1665 >  
1666 >  theInfo.addProperty(zconsFilename);
1667 >  
1668 >  //setup index, pos and other parameters of z-constraint molecules
1669 >  nZConstraints = globals->getNzConstraints();
1670 >  theInfo.nZconstraints = nZConstraints;
1671  
1672 <    current_comp_mol = 0;
1673 <    current_comp++;
1672 >  zconStamp = globals->getZconStamp();
1673 >  ZConsParaItem tempParaItem;
1674 >
1675 >  ZConsParaData* zconsParaData = new ZConsParaData();
1676 >  zconsParaData->setID(ZCONSPARADATA_ID);
1677 >
1678 >  for(int i = 0; i < nZConstraints; i++){
1679 >    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1680 >    tempParaItem.zPos = zconStamp[i]->getZpos();
1681 >    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1682 >    tempParaItem.kRatio = zconStamp[i]->getKratio();
1683 >
1684 >    zconsParaData->addItem(tempParaItem);
1685    }
1686 +
1687 +  //sort the parameters by index of molecules
1688 +  zconsParaData->sortByIndex();
1689 +  
1690 +  //push data into siminfo, therefore, we can retrieve later
1691 +  theInfo.addProperty(zconsParaData);
1692 +      
1693   }

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