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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 420 by mmeineke, Thu Mar 27 17:32:03 2003 UTC vs.
Revision 814 by mmeineke, Thu Oct 23 19:57:25 2003 UTC

# Line 1 | Line 1
1 + #include <algorithm>
2   #include <cstdlib>
3   #include <iostream>
4   #include <cmath>
5 <
5 > #include <string>
6 > #include <sprng.h>
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 NPTxyz_ENS     4
25 +
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 +  isInfoArray = 0;
35 +  nInfo = 1;
36 +
37    stamps = new MakeStamps();
38    globals = new Globals();
39 <  
39 >
40 >
41   #ifdef IS_MPI
42 <  strcpy( checkPointMsg, "SimSetup creation successful" );
42 >  strcpy(checkPointMsg, "SimSetup creation successful");
43    MPIcheckPoint();
44   #endif // IS_MPI
45   }
# Line 27 | Line 49 | void SimSetup::parseFile( char* fileName ){
49    delete globals;
50   }
51  
52 < void SimSetup::parseFile( char* fileName ){
52 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
53 >  info = the_info;
54 >  nInfo = theNinfo;
55 >  isInfoArray = 1;
56 > }
57  
58 +
59 + void SimSetup::parseFile(char* fileName){
60   #ifdef IS_MPI
61 <  if( worldRank == 0 ){
61 >  if (worldRank == 0){
62   #endif // is_mpi
63 <    
63 >
64      inFileName = fileName;
65 <    set_interface_stamps( stamps, globals );
66 <    
65 >    set_interface_stamps(stamps, globals);
66 >
67   #ifdef IS_MPI
68      mpiEventInit();
69   #endif
70  
71 <    yacc_BASS( fileName );
71 >    yacc_BASS(fileName);
72  
73   #ifdef IS_MPI
74      throwMPIEvent(NULL);
75    }
76 <  else receiveParse();
76 >  else{
77 >    receiveParse();
78 >  }
79   #endif
80  
81   }
82  
83   #ifdef IS_MPI
84   void SimSetup::receiveParse(void){
85 <
86 <    set_interface_stamps( stamps, globals );
87 <    mpiEventInit();
88 <    MPIcheckPoint();
59 <    mpiEventLoop();
60 <
85 >  set_interface_stamps(stamps, globals);
86 >  mpiEventInit();
87 >  MPIcheckPoint();
88 >  mpiEventLoop();
89   }
90  
91   #endif // is_mpi
92  
93 < void SimSetup::createSim( void ){
93 > void SimSetup::createSim(void){
94  
95 <  MakeStamps *the_stamps;
68 <  Globals* the_globals;
69 <  int i, j;
95 >  // gather all of the information from the Bass file
96  
97 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
97 >  gatherInfo();
98  
99 <  // 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();
99 >  // creation of complex system objects
100  
101 <  // 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 );
101 >  sysObjectsCreation();
102  
103 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
103 >  // check on the post processing info
104  
105 +  finalInfoCheck();
106  
107 <  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 <  }
107 >  // initialize the system coordinates
108  
109 < #ifdef IS_MPI
110 <  strcpy( checkPointMsg, "ForceField creation successful" );
105 <  MPIcheckPoint();
106 < #endif // is_mpi
109 >  if (!isInfoArray){
110 >    initSystemCoords();
111  
112 <  
112 >    if( !(globals->getUseInitTime()) )
113 >      info[0].currentTime = 0.0;
114 >  }  
115  
116 <  // 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];
116 >  // make the output filenames
117  
118 <  if( !the_globals->haveNMol() ){
116 <    // we don't have the total number of molecules, so we assume it is
117 <    // given in each component
118 >  makeOutNames();
119  
120 <    tot_nmol = 0;
120 <    for( i=0; i<n_components; i++ ){
120 >  // make the integrator
121  
122 <      if( !the_components[i]->haveNMol() ){
123 <        // we have a problem
124 <        sprintf( painCave.errMsg,
125 <                 "SimSetup Error. No global NMol or component NMol"
126 <                 " given. Cannot calculate the number of atoms.\n" );
127 <        painCave.isFatal = 1;
128 <        simError();
129 <      }
122 >  makeIntegrator();
123  
131      tot_nmol += the_components[i]->getNMol();
132      components_nmol[i] = the_components[i]->getNMol();
133    }
134  }
135  else{
136    sprintf( painCave.errMsg,
137             "SimSetup error.\n"
138             "\tSorry, the ability to specify total"
139             " nMols and then give molfractions in the components\n"
140             "\tis not currently supported."
141             " Please give nMol in the components.\n" );
142    painCave.isFatal = 1;
143    simError();
144    
145    
146    //     tot_nmol = the_globals->getNMol();
147    
148    //   //we have the total number of molecules, now we check for molfractions
149    //     for( i=0; i<n_components; i++ ){
150    
151    //       if( !the_components[i]->haveMolFraction() ){
152    
153    //  if( !the_components[i]->haveNMol() ){
154    //    //we have a problem
155    //    std::cerr << "SimSetup error. Neither molFraction nor "
156    //              << " nMol was given in component
157    
158  }
159
124   #ifdef IS_MPI
125 <  strcpy( checkPointMsg, "Have the number of components" );
126 <  MPIcheckPoint();
163 < #endif // is_mpi
125 >  mpiSim->mpiRefresh();
126 > #endif
127  
128 <  // make an array of molecule stamps that match the components used.
166 <  // also extract the used stamps out into a separate linked list
128 >  // initialize the Fortran
129  
130 <  simnfo->nComponents = n_components;
131 <  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++ ){
130 >  initFortran();
131 > }
132  
178    id = the_components[i]->getType();
179    comp_stamps[i] = NULL;
180    
181    // check to make sure the component isn't already in the list
133  
134 <    comp_stamps[i] = headStamp->match( id );
135 <    if( comp_stamps[i] == NULL ){
136 <      
137 <      // extract the component from the list;
138 <      
139 <      currentStamp = the_stamps->extractMolStamp( id );
140 <      if( currentStamp == NULL ){
141 <        sprintf( painCave.errMsg,
142 <                 "SimSetup error: Component \"%s\" was not found in the "
143 <                 "list of declared molecules\n",
144 <                 id );
194 <        painCave.isFatal = 1;
195 <        simError();
196 <      }
197 <      
198 <      headStamp->add( currentStamp );
199 <      comp_stamps[i] = headStamp->match( id );
200 <    }
201 <  }
134 > void SimSetup::makeMolecules(void){
135 >  int k;
136 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
137 >  molInit molInfo;
138 >  DirectionalAtom* dAtom;
139 >  LinkedAssign* extras;
140 >  LinkedAssign* current_extra;
141 >  AtomStamp* currentAtom;
142 >  BondStamp* currentBond;
143 >  BendStamp* currentBend;
144 >  TorsionStamp* currentTorsion;
145  
146 < #ifdef IS_MPI
147 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
148 <  MPIcheckPoint();
206 < #endif // is_mpi
207 <  
146 >  bond_pair* theBonds;
147 >  bend_set* theBends;
148 >  torsion_set* theTorsions;
149  
150  
151 +  //init the forceField paramters
152  
153 <  // caclulate the number of atoms, bonds, bends and torsions
153 >  the_ff->readParams();
154  
213  tot_atoms = 0;
214  tot_bonds = 0;
215  tot_bends = 0;
216  tot_torsions = 0;
217  for( i=0; i<n_components; i++ ){
218    
219    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
220    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
221    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
222    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
223  }
155  
156 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
156 >  // init the atoms
157  
158 <  simnfo->n_atoms = tot_atoms;
228 <  simnfo->n_bonds = tot_bonds;
229 <  simnfo->n_bends = tot_bends;
230 <  simnfo->n_torsions = tot_torsions;
231 <  simnfo->n_SRI = tot_SRI;
232 <  simnfo->n_mol = tot_nmol;
158 >  double ux, uy, uz, u, uSqr;
159  
160 <  
161 < #ifdef IS_MPI
160 >  for (k = 0; k < nInfo; k++){
161 >    the_ff->setSimInfo(&(info[k]));
162  
163 <  // divide the molecules among processors here.
164 <  
165 <  mpiSim = new mpiSimulation( simnfo );
166 <  
241 <  
163 >    atomOffset = 0;
164 >    excludeOffset = 0;
165 >    for (i = 0; i < info[k].n_mol; i++){
166 >      stampID = info[k].molecules[i].getStampID();
167  
168 <  globalIndex = mpiSim->divideLabor();
168 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
169 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
170 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
171 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
172 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
173  
174 +      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
175 +      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
176 +      molInfo.myBonds = new Bond * [molInfo.nBonds];
177 +      molInfo.myBends = new Bend * [molInfo.nBends];
178 +      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
179  
180 +      theBonds = new bond_pair[molInfo.nBonds];
181 +      theBends = new bend_set[molInfo.nBends];
182 +      theTorsions = new torsion_set[molInfo.nTorsions];
183  
184 <  // set up the local variables
248 <  
249 <  int localMol, allMol;
250 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
251 <  
252 <  allMol = 0;
253 <  localMol = 0;
254 <  local_atoms = 0;
255 <  local_bonds = 0;
256 <  local_bends = 0;
257 <  local_torsions = 0;
258 <  for( i=0; i<n_components; i++ ){
184 >      // make the Atoms
185  
186 <    for( j=0; j<components_nmol[i]; j++ ){
187 <      
188 <      if( mpiSim->getMyMolStart() <= allMol &&
189 <          allMol <= mpiSim->getMyMolEnd() ){
190 <        
191 <        local_atoms +=    comp_stamps[i]->getNAtoms();
192 <        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++;
272 <    }
273 <  }
274 <  local_SRI = local_bonds + local_bends + local_torsions;
275 <  
186 >      for (j = 0; j < molInfo.nAtoms; j++){
187 >        currentAtom = comp_stamps[stampID]->getAtom(j);
188 >        if (currentAtom->haveOrientation()){
189 >          dAtom = new DirectionalAtom((j + atomOffset),
190 >                                      info[k].getConfiguration());
191 >          info[k].n_oriented++;
192 >          molInfo.myAtoms[j] = dAtom;
193  
194 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
195 <  
196 <  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 <  }
194 >          ux = currentAtom->getOrntX();
195 >          uy = currentAtom->getOrntY();
196 >          uz = currentAtom->getOrntZ();
197  
198 <  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;
198 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
199  
200 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
201 <  MPIcheckPoint();
202 <  
203 <  
200 >          u = sqrt(uSqr);
201 >          ux = ux / u;
202 >          uy = uy / u;
203 >          uz = uz / u;
204 >
205 >          dAtom->setSUx(ux);
206 >          dAtom->setSUy(uy);
207 >          dAtom->setSUz(uz);
208 >        }
209 >        else{
210 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
211 >                                               info[k].getConfiguration());
212 >        }
213 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
214 >
215 > #ifdef IS_MPI
216 >
217 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
218 >
219   #endif // is_mpi
220 <  
220 >      }
221  
222 <  // create the atom and short range interaction arrays
222 >      // make the bonds
223 >      for (j = 0; j < molInfo.nBonds; j++){
224 >        currentBond = comp_stamps[stampID]->getBond(j);
225 >        theBonds[j].a = currentBond->getA() + atomOffset;
226 >        theBonds[j].b = currentBond->getB() + atomOffset;
227  
228 <  Atom::createArrays(simnfo->n_atoms);
229 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
228 >        exI = theBonds[j].a;
229 >        exJ = theBonds[j].b;
230  
231 +        // exclude_I must always be the smaller of the pair
232 +        if (exI > exJ){
233 +          tempEx = exI;
234 +          exI = exJ;
235 +          exJ = tempEx;
236 +        }
237 + #ifdef IS_MPI
238 +        tempEx = exI;
239 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
240 +        tempEx = exJ;
241 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
242  
243 <  if( simnfo->n_SRI ){
244 <    Exclude::createArray(simnfo->n_SRI);
311 <    the_excludes = new Exclude*[simnfo->n_SRI];
312 <    simnfo->globalExcludes = new int;
313 <    simnfo->n_exclude = tot_SRI;
314 <  }
315 <  else{
316 <    
317 <    Exclude::createArray( 1 );
318 <    the_excludes = new Exclude*;
319 <    the_excludes[0] = new Exclude(0);
320 <    the_excludes[0]->setPair( 0,0 );
321 <    simnfo->globalExcludes = new int;
322 <    simnfo->globalExcludes[0] = 0;
323 <    simnfo->n_exclude = 0;
324 <  }
243 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
244 > #else  // isn't MPI
245  
246 <  // set the arrays into the SimInfo object
246 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
247 > #endif  //is_mpi
248 >      }
249 >      excludeOffset += molInfo.nBonds;
250  
251 <  simnfo->atoms = the_atoms;
252 <  simnfo->sr_interactions = the_sris;
253 <  simnfo->nGlobalExcludes = 0;
254 <  simnfo->excludes = the_excludes;
251 >      //make the bends
252 >      for (j = 0; j < molInfo.nBends; j++){
253 >        currentBend = comp_stamps[stampID]->getBend(j);
254 >        theBends[j].a = currentBend->getA() + atomOffset;
255 >        theBends[j].b = currentBend->getB() + atomOffset;
256 >        theBends[j].c = currentBend->getC() + atomOffset;
257  
258 +        if (currentBend->haveExtras()){
259 +          extras = currentBend->getExtras();
260 +          current_extra = extras;
261  
262 <  // get some of the tricky things that may still be in the globals
262 >          while (current_extra != NULL){
263 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
264 >              switch (current_extra->getType()){
265 >                case 0:
266 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
267 >                  theBends[j].isGhost = 1;
268 >                  break;
269  
270 <  
271 <  if( the_globals->haveBox() ){
272 <    simnfo->box_x = the_globals->getBox();
273 <    simnfo->box_y = the_globals->getBox();
274 <    simnfo->box_z = the_globals->getBox();
341 <  }
342 <  else if( the_globals->haveDensity() ){
270 >                case 1:
271 >                  theBends[j].ghost = (int) current_extra->getDouble() +
272 >                                      atomOffset;
273 >                  theBends[j].isGhost = 1;
274 >                  break;
275  
276 <    double vol;
277 <    vol = (double)tot_nmol / the_globals->getDensity();
278 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
279 <    simnfo->box_y = simnfo->box_x;
280 <    simnfo->box_z = simnfo->box_x;
281 <  }
282 <  else{
283 <    if( !the_globals->haveBoxX() ){
284 <      sprintf( painCave.errMsg,
285 <               "SimSetup error, no periodic BoxX size given.\n" );
286 <      painCave.isFatal = 1;
287 <      simError();
288 <    }
289 <    simnfo->box_x = the_globals->getBoxX();
276 >                default:
277 >                  sprintf(painCave.errMsg,
278 >                          "SimSetup Error: ghostVectorSource was neither a "
279 >                          "double nor an int.\n"
280 >                          "-->Bend[%d] in %s\n",
281 >                          j, comp_stamps[stampID]->getID());
282 >                  painCave.isFatal = 1;
283 >                  simError();
284 >              }
285 >            }
286 >            else{
287 >              sprintf(painCave.errMsg,
288 >                      "SimSetup Error: unhandled bend assignment:\n"
289 >                      "    -->%s in Bend[%d] in %s\n",
290 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
291 >              painCave.isFatal = 1;
292 >              simError();
293 >            }
294  
295 <    if( !the_globals->haveBoxY() ){
296 <      sprintf( painCave.errMsg,
297 <               "SimSetup error, no periodic BoxY size given.\n" );
362 <      painCave.isFatal = 1;
363 <      simError();
364 <    }
365 <    simnfo->box_y = the_globals->getBoxY();
295 >            current_extra = current_extra->getNext();
296 >          }
297 >        }
298  
299 <    if( !the_globals->haveBoxZ() ){
300 <      sprintf( painCave.errMsg,
301 <               "SimSetup error, no periodic BoxZ size given.\n" );
302 <      painCave.isFatal = 1;
303 <      simError();
304 <    }
305 <    simnfo->box_z = the_globals->getBoxZ();
306 <  }
299 >        if (!theBends[j].isGhost){
300 >          exI = theBends[j].a;
301 >          exJ = theBends[j].c;
302 >        }
303 >        else{
304 >          exI = theBends[j].a;
305 >          exJ = theBends[j].b;
306 >        }
307  
308 +        // exclude_I must always be the smaller of the pair
309 +        if (exI > exJ){
310 +          tempEx = exI;
311 +          exI = exJ;
312 +          exJ = tempEx;
313 +        }
314   #ifdef IS_MPI
315 <  strcpy( checkPointMsg, "Box size set up" );
316 <  MPIcheckPoint();
317 < #endif // is_mpi
315 >        tempEx = exI;
316 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
317 >        tempEx = exJ;
318 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
319  
320 +        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
321 + #else  // isn't MPI
322 +        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
323 + #endif  //is_mpi
324 +      }
325 +      excludeOffset += molInfo.nBends;
326  
327 <  // initialize the arrays
327 >      for (j = 0; j < molInfo.nTorsions; j++){
328 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
329 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
330 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
331 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
332 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
333  
334 <  the_ff->setSimInfo( simnfo );
334 >        exI = theTorsions[j].a;
335 >        exJ = theTorsions[j].d;
336  
337 <  makeAtoms();
338 <  simnfo->identArray = new int[simnfo->n_atoms];
339 <  for(i=0; i<simnfo->n_atoms; i++){
340 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
341 <  }
342 <  
343 <  if( tot_bonds ){
344 <    makeBonds();
345 <  }
337 >        // exclude_I must always be the smaller of the pair
338 >        if (exI > exJ){
339 >          tempEx = exI;
340 >          exI = exJ;
341 >          exJ = tempEx;
342 >        }
343 > #ifdef IS_MPI
344 >        tempEx = exI;
345 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
346 >        tempEx = exJ;
347 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
348 >
349 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
350 > #else  // isn't MPI
351 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
352 > #endif  //is_mpi
353 >      }
354 >      excludeOffset += molInfo.nTorsions;
355 >
356 >
357 >      // send the arrays off to the forceField for init.
358 >
359 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
360 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
361 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
362 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
363 >                                 theTorsions);
364  
396  if( tot_bends ){
397    makeBends();
398  }
365  
366 <  if( tot_torsions ){
401 <    makeTorsions();
402 <  }
366 >      info[k].molecules[i].initialize(molInfo);
367  
368  
369 <  if (the_globals->getUseRF() ) {
370 <    simnfo->useReactionField = 1;
371 <  
372 <    if( !the_globals->haveECR() ){
409 <      sprintf( painCave.errMsg,
410 <               "SimSetup Warning: using default value of 1/2 the smallest "
411 <               "box length for the electrostaticCutoffRadius.\n"
412 <               "I hope you have a very fast processor!\n");
413 <      painCave.isFatal = 0;
414 <      simError();
415 <      double smallest;
416 <      smallest = simnfo->box_x;
417 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
418 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
419 <      simnfo->ecr = 0.5 * smallest;
420 <    } else {
421 <      simnfo->ecr        = the_globals->getECR();
369 >      atomOffset += molInfo.nAtoms;
370 >      delete[] theBonds;
371 >      delete[] theBends;
372 >      delete[] theTorsions;
373      }
374 +  }
375  
424    if( !the_globals->haveEST() ){
425      sprintf( painCave.errMsg,
426               "SimSetup Warning: using default value of 0.05 * the "
427               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
428               );
429      painCave.isFatal = 0;
430      simError();
431      simnfo->est = 0.05 * simnfo->ecr;
432    } else {
433      simnfo->est        = the_globals->getEST();
434    }
435    
436    if(!the_globals->haveDielectric() ){
437      sprintf( painCave.errMsg,
438               "SimSetup Error: You are trying to use Reaction Field without"
439               "setting a dielectric constant!\n"
440               );
441      painCave.isFatal = 1;
442      simError();
443    }
444    simnfo->dielectric = the_globals->getDielectric();  
445  } else {
446    if (simnfo->n_dipoles) {
447      
448      if( !the_globals->haveECR() ){
449        sprintf( painCave.errMsg,
450                 "SimSetup Warning: using default value of 1/2 the smallest"
451                 "box length for the electrostaticCutoffRadius.\n"
452                 "I hope you have a very fast processor!\n");
453        painCave.isFatal = 0;
454        simError();
455        double smallest;
456        smallest = simnfo->box_x;
457        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
458        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
459        simnfo->ecr = 0.5 * smallest;
460      } else {
461        simnfo->ecr        = the_globals->getECR();
462      }
463      
464      if( !the_globals->haveEST() ){
465        sprintf( painCave.errMsg,
466                 "SimSetup Warning: using default value of 5% of the"
467                 "electrostaticCutoffRadius for the "
468                 "electrostaticSkinThickness\n"
469                 );
470        painCave.isFatal = 0;
471        simError();
472        simnfo->est = 0.05 * simnfo->ecr;
473      } else {
474        simnfo->est        = the_globals->getEST();
475      }
476    }
477  }  
478
376   #ifdef IS_MPI
377 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
377 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
378    MPIcheckPoint();
379   #endif // is_mpi
380  
381 < if( the_globals->haveInitialConfig() ){
485 <
486 <     InitializeFromFile* fileInit;
487 < #ifdef IS_MPI // is_mpi
488 <     if( worldRank == 0 ){
489 < #endif //is_mpi
490 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
491 < #ifdef IS_MPI
492 <     }else fileInit = new InitializeFromFile( NULL );
493 < #endif
494 <   fileInit->read_xyz( simnfo ); // default velocities on
381 >  // clean up the forcefield
382  
383 <   delete fileInit;
384 < }
385 < else{
383 >  the_ff->calcRcut();
384 >  the_ff->cleanMe();
385 > }
386  
387 < #ifdef IS_MPI
387 > void SimSetup::initFromBass(void){
388 >  int i, j, k;
389 >  int n_cells;
390 >  double cellx, celly, cellz;
391 >  double temp1, temp2, temp3;
392 >  int n_per_extra;
393 >  int n_extra;
394 >  int have_extra, done;
395  
396 <  // no init from bass
397 <  
398 <  sprintf( painCave.errMsg,
399 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
506 <  painCave.isFatal;
507 <  simError();
508 <  
509 < #else
396 >  double vel[3];
397 >  vel[0] = 0.0;
398 >  vel[1] = 0.0;
399 >  vel[2] = 0.0;
400  
401 <  initFromBass();
401 >  temp1 = (double) tot_nmol / 4.0;
402 >  temp2 = pow(temp1, (1.0 / 3.0));
403 >  temp3 = ceil(temp2);
404  
405 +  have_extra = 0;
406 +  if (temp2 < temp3){
407 +    // we have a non-complete lattice
408 +    have_extra = 1;
409  
410 < #endif
411 < }
410 >    n_cells = (int) temp3 - 1;
411 >    cellx = info[0].boxL[0] / temp3;
412 >    celly = info[0].boxL[1] / temp3;
413 >    cellz = info[0].boxL[2] / temp3;
414 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
415 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
416 >    n_per_extra = (int) ceil(temp1);
417  
418 < #ifdef IS_MPI
419 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
420 <  MPIcheckPoint();
421 < #endif // is_mpi
422 <
423 <
523 <  
524 <
525 <  
526 <
527 <  
528 < #ifdef IS_MPI
529 <  if( worldRank == 0 ){
530 < #endif // is_mpi
531 <    
532 <    if( the_globals->haveFinalConfig() ){
533 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
418 >    if (n_per_extra > 4){
419 >      sprintf(painCave.errMsg,
420 >              "SimSetup error. There has been an error in constructing"
421 >              " the non-complete lattice.\n");
422 >      painCave.isFatal = 1;
423 >      simError();
424      }
535    else{
536      strcpy( simnfo->finalName, inFileName );
537      char* endTest;
538      int nameLength = strlen( simnfo->finalName );
539      endTest = &(simnfo->finalName[nameLength - 5]);
540      if( !strcmp( endTest, ".bass" ) ){
541        strcpy( endTest, ".eor" );
542      }
543      else if( !strcmp( endTest, ".BASS" ) ){
544        strcpy( endTest, ".eor" );
545      }
546      else{
547        endTest = &(simnfo->finalName[nameLength - 4]);
548        if( !strcmp( endTest, ".bss" ) ){
549          strcpy( endTest, ".eor" );
550        }
551        else if( !strcmp( endTest, ".mdl" ) ){
552          strcpy( endTest, ".eor" );
553        }
554        else{
555          strcat( simnfo->finalName, ".eor" );
556        }
557      }
558    }
559    
560    // make the sample and status out names
561    
562    strcpy( simnfo->sampleName, inFileName );
563    char* endTest;
564    int nameLength = strlen( simnfo->sampleName );
565    endTest = &(simnfo->sampleName[nameLength - 5]);
566    if( !strcmp( endTest, ".bass" ) ){
567      strcpy( endTest, ".dump" );
568    }
569    else if( !strcmp( endTest, ".BASS" ) ){
570      strcpy( endTest, ".dump" );
571    }
572    else{
573      endTest = &(simnfo->sampleName[nameLength - 4]);
574      if( !strcmp( endTest, ".bss" ) ){
575        strcpy( endTest, ".dump" );
576      }
577      else if( !strcmp( endTest, ".mdl" ) ){
578        strcpy( endTest, ".dump" );
579      }
580      else{
581        strcat( simnfo->sampleName, ".dump" );
582      }
583    }
584    
585    strcpy( simnfo->statusName, inFileName );
586    nameLength = strlen( simnfo->statusName );
587    endTest = &(simnfo->statusName[nameLength - 5]);
588    if( !strcmp( endTest, ".bass" ) ){
589      strcpy( endTest, ".stat" );
590    }
591    else if( !strcmp( endTest, ".BASS" ) ){
592      strcpy( endTest, ".stat" );
593    }
594    else{
595      endTest = &(simnfo->statusName[nameLength - 4]);
596      if( !strcmp( endTest, ".bss" ) ){
597        strcpy( endTest, ".stat" );
598      }
599      else if( !strcmp( endTest, ".mdl" ) ){
600        strcpy( endTest, ".stat" );
601      }
602      else{
603        strcat( simnfo->statusName, ".stat" );
604      }
605    }
606    
607 #ifdef IS_MPI
425    }
609 #endif // is_mpi
610  
611  // set the status, sample, and themal kick times
612  
613  if( the_globals->haveSampleTime() ){
614    simnfo->sampleTime = the_globals->getSampleTime();
615    simnfo->statusTime = simnfo->sampleTime;
616    simnfo->thermalTime = simnfo->sampleTime;
617  }
426    else{
427 <    simnfo->sampleTime = the_globals->getRunTime();
428 <    simnfo->statusTime = simnfo->sampleTime;
429 <    simnfo->thermalTime = simnfo->sampleTime;
427 >    n_cells = (int) temp3;
428 >    cellx = info[0].boxL[0] / temp3;
429 >    celly = info[0].boxL[1] / temp3;
430 >    cellz = info[0].boxL[2] / temp3;
431    }
432  
433 <  if( the_globals->haveStatusTime() ){
434 <    simnfo->statusTime = the_globals->getStatusTime();
433 >  current_mol = 0;
434 >  current_comp_mol = 0;
435 >  current_comp = 0;
436 >  current_atom_ndx = 0;
437 >
438 >  for (i = 0; i < n_cells ; i++){
439 >    for (j = 0; j < n_cells; j++){
440 >      for (k = 0; k < n_cells; k++){
441 >        makeElement(i * cellx, j * celly, k * cellz);
442 >
443 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
444 >
445 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
446 >
447 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
448 >      }
449 >    }
450    }
451  
452 <  if( the_globals->haveThermalTime() ){
453 <    simnfo->thermalTime = the_globals->getThermalTime();
452 >  if (have_extra){
453 >    done = 0;
454 >
455 >    int start_ndx;
456 >    for (i = 0; i < (n_cells + 1) && !done; i++){
457 >      for (j = 0; j < (n_cells + 1) && !done; j++){
458 >        if (i < n_cells){
459 >          if (j < n_cells){
460 >            start_ndx = n_cells;
461 >          }
462 >          else
463 >            start_ndx = 0;
464 >        }
465 >        else
466 >          start_ndx = 0;
467 >
468 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
469 >          makeElement(i * cellx, j * celly, k * cellz);
470 >          done = (current_mol >= tot_nmol);
471 >
472 >          if (!done && n_per_extra > 1){
473 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
474 >                        k * cellz);
475 >            done = (current_mol >= tot_nmol);
476 >          }
477 >
478 >          if (!done && n_per_extra > 2){
479 >            makeElement(i * cellx, j * celly + 0.5 * celly,
480 >                        k * cellz + 0.5 * cellz);
481 >            done = (current_mol >= tot_nmol);
482 >          }
483 >
484 >          if (!done && n_per_extra > 3){
485 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
486 >                        k * cellz + 0.5 * cellz);
487 >            done = (current_mol >= tot_nmol);
488 >          }
489 >        }
490 >      }
491 >    }
492    }
493  
494 <  // check for the temperature set flag
494 >  for (i = 0; i < info[0].n_atoms; i++){
495 >    info[0].atoms[i]->setVel(vel);
496 >  }
497 > }
498  
499 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
499 > void SimSetup::makeElement(double x, double y, double z){
500 >  int k;
501 >  AtomStamp* current_atom;
502 >  DirectionalAtom* dAtom;
503 >  double rotMat[3][3];
504 >  double pos[3];
505  
506 +  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
507 +    current_atom = comp_stamps[current_comp]->getAtom(k);
508 +    if (!current_atom->havePosition()){
509 +      sprintf(painCave.errMsg,
510 +              "SimSetup:initFromBass error.\n"
511 +              "\tComponent %s, atom %s does not have a position specified.\n"
512 +              "\tThe initialization routine is unable to give a start"
513 +              " position.\n",
514 +              comp_stamps[current_comp]->getID(), current_atom->getType());
515 +      painCave.isFatal = 1;
516 +      simError();
517 +    }
518  
519 < //   // make the longe range forces and the integrator
519 >    pos[0] = x + current_atom->getPosX();
520 >    pos[1] = y + current_atom->getPosY();
521 >    pos[2] = z + current_atom->getPosZ();
522  
523 < //   new AllLong( simnfo );
523 >    info[0].atoms[current_atom_ndx]->setPos(pos);
524  
525 <  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
526 <  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
643 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
644 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
525 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
526 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
527  
528 +      rotMat[0][0] = 1.0;
529 +      rotMat[0][1] = 0.0;
530 +      rotMat[0][2] = 0.0;
531  
532 +      rotMat[1][0] = 0.0;
533 +      rotMat[1][1] = 1.0;
534 +      rotMat[1][2] = 0.0;
535  
536 <  // initialize the Fortran
537 <  
538 <  simnfo->refreshSim();
539 <  
540 <  if( !strcmp( simnfo->mixingRule, "standard") ){
541 <    the_ff->initForceField( LB_MIXING_RULE );
536 >      rotMat[2][0] = 0.0;
537 >      rotMat[2][1] = 0.0;
538 >      rotMat[2][2] = 1.0;
539 >
540 >      dAtom->setA(rotMat);
541 >    }
542 >
543 >    current_atom_ndx++;
544    }
545 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
546 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
545 >
546 >  current_mol++;
547 >  current_comp_mol++;
548 >
549 >  if (current_comp_mol >= components_nmol[current_comp]){
550 >    current_comp_mol = 0;
551 >    current_comp++;
552    }
553 + }
554 +
555 +
556 + void SimSetup::gatherInfo(void){
557 +  int i;
558 +
559 +  ensembleCase = -1;
560 +  ffCase = -1;
561 +
562 +  // set the easy ones first
563 +
564 +  for (i = 0; i < nInfo; i++){
565 +    info[i].target_temp = globals->getTargetTemp();
566 +    info[i].dt = globals->getDt();
567 +    info[i].run_time = globals->getRunTime();
568 +  }
569 +  n_components = globals->getNComponents();
570 +
571 +
572 +  // get the forceField
573 +
574 +  strcpy(force_field, globals->getForceField());
575 +
576 +  if (!strcasecmp(force_field, "DUFF")){
577 +    ffCase = FF_DUFF;
578 +  }
579 +  else if (!strcasecmp(force_field, "LJ")){
580 +    ffCase = FF_LJ;
581 +  }
582 +  else if (!strcasecmp(force_field, "EAM")){
583 +    ffCase = FF_EAM;
584 +  }
585    else{
586 <    sprintf( painCave.errMsg,
587 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
588 <             simnfo->mixingRule );
589 <    painCave.isFatal = 1;
663 <    simError();
586 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
587 >            force_field);
588 >         painCave.isFatal = 1;
589 >         simError();
590    }
591  
592 +    // get the ensemble
593  
594 < #ifdef IS_MPI
668 <  strcpy( checkPointMsg,
669 <          "Successfully intialized the mixingRule for Fortran." );
670 <  MPIcheckPoint();
671 < #endif // is_mpi
672 < }
594 >  strcpy(ensemble, globals->getEnsemble());
595  
596 +  if (!strcasecmp(ensemble, "NVE")){
597 +    ensembleCase = NVE_ENS;
598 +  }
599 +  else if (!strcasecmp(ensemble, "NVT")){
600 +    ensembleCase = NVT_ENS;
601 +  }
602 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
603 +    ensembleCase = NPTi_ENS;
604 +  }
605 +  else if (!strcasecmp(ensemble, "NPTf")){
606 +    ensembleCase = NPTf_ENS;
607 +  }
608 +  else if (!strcasecmp(ensemble, "NPTxyz")){
609 +    ensembleCase = NPTxyz_ENS;
610 +  }
611 +  else{
612 +    sprintf(painCave.errMsg,
613 +            "SimSetup Warning. Unrecognized Ensemble -> %s, "
614 +            "reverting to NVE for this simulation.\n",
615 +            ensemble);
616 +         painCave.isFatal = 0;
617 +         simError();
618 +         strcpy(ensemble, "NVE");
619 +         ensembleCase = NVE_ENS;
620 +  }  
621  
622 < void SimSetup::makeMolecules( void ){
622 >  for (i = 0; i < nInfo; i++){
623 >    strcpy(info[i].ensemble, ensemble);
624  
625 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
678 <  molInit info;
679 <  DirectionalAtom* dAtom;
680 <  LinkedAssign* extras;
681 <  LinkedAssign* current_extra;
682 <  AtomStamp* currentAtom;
683 <  BondStamp* currentBond;
684 <  BendStamp* currentBend;
685 <  TorsionStamp* currentTorsion;
686 <  
687 <  //init the forceField paramters
625 >    // get the mixing rule
626  
627 <  the_ff->readParams();
627 >    strcpy(info[i].mixingRule, globals->getMixingRule());
628 >    info[i].usePBC = globals->getPBC();
629 >  }
630  
631 <  
692 <  // init the molecules
631 >  // get the components and calculate the tot_nMol and indvidual n_mol
632  
633 <  atomOffset = 0;
634 <  excludeOffset = 0;
696 <  for(i=0; i<simnfo->n_mol; i++){
697 <    
698 <    stampID = the_molecules[i].getStampID();
633 >  the_components = globals->getComponents();
634 >  components_nmol = new int[n_components];
635  
700    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
701    info.nBonds    = comp_stamps[stampID]->getNBonds();
702    info.nBends    = comp_stamps[stampID]->getNBends();
703    info.nTorsions = comp_stamps[stampID]->getNTorsions();
704    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
636  
637 <    info.myAtoms = &the_atoms[atomOffset];
638 <    info.myExcludes = &the_excludes[excludeOffset];
639 <    info.myBonds = new Bond*[info.nBonds];
709 <    info.myBends = new Bend*[info.nBends];
710 <    info.myTorsions = new Torsions*[info.nTorsions];
637 >  if (!globals->haveNMol()){
638 >    // we don't have the total number of molecules, so we assume it is
639 >    // given in each component
640  
641 <    theBonds = new bond_pair[info.nBonds];
642 <    theBends = new bend_set[info.nBends];
643 <    theTorsions = new torsion_set[info.nTorsions];
644 <    
645 <    // make the Atoms
646 <    
647 <    for(j=0; j<info.nAtoms; j++){
648 <      
649 <      currentAtom = theComponents[stampID]->getAtom( j );
721 <      if( currentAtom->haveOrientation() ){
722 <        
723 <        dAtom = new DirectionalAtom(j + atomOffset);
724 <        simnfo->n_oriented++;
725 <        info.myAtoms[j] = dAtom;
726 <        
727 <        ux = currentAtom->getOrntX();
728 <        uy = currentAtom->getOrntY();
729 <        uz = currentAtom->getOrntZ();
730 <        
731 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
732 <        
733 <        u = sqrt( uSqr );
734 <        ux = ux / u;
735 <        uy = uy / u;
736 <        uz = uz / u;
737 <        
738 <        dAtom->setSUx( ux );
739 <        dAtom->setSUy( uy );
740 <        dAtom->setSUz( uz );
641 >    tot_nmol = 0;
642 >    for (i = 0; i < n_components; i++){
643 >      if (!the_components[i]->haveNMol()){
644 >        // we have a problem
645 >        sprintf(painCave.errMsg,
646 >                "SimSetup Error. No global NMol or component NMol"
647 >                " given. Cannot calculate the number of atoms.\n");
648 >        painCave.isFatal = 1;
649 >        simError();
650        }
742      else{
743        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
744      }
745      info.myAtoms[j]->setType( currentAtom->getType() );
746    
747 #ifdef IS_MPI
748      
749      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
750      
751 #endif // is_mpi
752    }
753    
754    // make the bonds
755    for(j=0; j<info.nBonds; j++){
756      
757      currentBond = comp_stamps[stampID]->getBond( j );
758      theBonds[j].a = currentBond->getA() + atomOffset;
759      theBonds[j].b = currentBond->getB() + atomOffset;
651  
652 <      exI = theBonds[i].a;
653 <      exJ = theBonds[i].b;
652 >      tot_nmol += the_components[i]->getNMol();
653 >      components_nmol[i] = the_components[i]->getNMol();
654 >    }
655 >  }
656 >  else{
657 >    sprintf(painCave.errMsg,
658 >            "SimSetup error.\n"
659 >            "\tSorry, the ability to specify total"
660 >            " nMols and then give molfractions in the components\n"
661 >            "\tis not currently supported."
662 >            " Please give nMol in the components.\n");
663 >    painCave.isFatal = 1;
664 >    simError();
665 >  }
666  
667 <      // exclude_I must always be the smaller of the pair
668 <      if( exI > exJ ){
669 <        tempEx = exI;
670 <        exI = exJ;
671 <        exJ = tempEx;
672 <      }
673 < #ifdef IS_MPI
771 <      tempEx = exI;
772 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
773 <      tempEx = exJ;
774 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
775 <      
776 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
777 < #else  // isn't MPI
778 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
779 < #endif  //is_mpi
667 >  // set the status, sample, and thermal kick times
668 >
669 >  for (i = 0; i < nInfo; i++){
670 >    if (globals->haveSampleTime()){
671 >      info[i].sampleTime = globals->getSampleTime();
672 >      info[i].statusTime = info[i].sampleTime;
673 >      info[i].thermalTime = info[i].sampleTime;
674      }
675 <    excludeOffset += info.nBonds;
675 >    else{
676 >      info[i].sampleTime = globals->getRunTime();
677 >      info[i].statusTime = info[i].sampleTime;
678 >      info[i].thermalTime = info[i].sampleTime;
679 >    }
680  
681 <    //make the bends
682 <    for(j=0; j<info.nBends; j++){
785 <      
786 <      currentBend = comp_stamps[stampID]->getBend( j );
787 <      theBends[j].a = currentBend->getA() + atomOffset;
788 <      theBends[j].b = currentBend->getB() + atomOffset;
789 <      theBends[j].c = currentBend->getC() + atomOffset;
790 <          
791 <      if( currentBend->haveExtras() ){
792 <            
793 <        extras = current_bend->getExtras();
794 <        current_extra = extras;
795 <            
796 <        while( current_extra != NULL ){
797 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
798 <                
799 <            switch( current_extra->getType() ){
800 <              
801 <            case 0:
802 <              theBends[j].ghost =
803 <                current_extra->getInt() + atomOffset;
804 <              theBends[j].isGhost = 1;
805 <              break;
806 <                  
807 <            case 1:
808 <              theBends[j].ghost =
809 <                (int)current_extra->getDouble() + atomOffset;
810 <              theBends[j].isGhost = 1;
811 <              break;
812 <              
813 <            default:
814 <              sprintf( painCave.errMsg,
815 <                       "SimSetup Error: ghostVectorSource was neiter a "
816 <                       "double nor an int.\n"
817 <                       "-->Bend[%d] in %s\n",
818 <                       j, comp_stamps[stampID]->getID() );
819 <              painCave.isFatal = 1;
820 <              simError();
821 <            }
822 <          }
823 <          
824 <          else{
825 <            
826 <            sprintf( painCave.errMsg,
827 <                     "SimSetup Error: unhandled bend assignment:\n"
828 <                     "    -->%s in Bend[%d] in %s\n",
829 <                     current_extra->getlhs(),
830 <                     j, comp_stamps[stampID]->getID() );
831 <            painCave.isFatal = 1;
832 <            simError();
833 <          }
834 <          
835 <          current_extra = current_extra->getNext();
836 <        }
837 <      }
838 <          
839 <      if( !theBends[j].isGhost ){
840 <            
841 <        exI = theBends[j].a;
842 <        exJ = theBends[j].c;
843 <      }
844 <      else{
845 <        
846 <        exI = theBends[j].a;
847 <        exJ = theBends[j].b;
848 <      }
849 <      
850 <      // exclude_I must always be the smaller of the pair
851 <      if( exI > exJ ){
852 <        tempEx = exI;
853 <        exI = exJ;
854 <        exJ = tempEx;
855 <      }
856 < #ifdef IS_MPI
857 <      tempEx = exI;
858 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
859 <      tempEx = exJ;
860 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
861 <      
862 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
863 < #else  // isn't MPI
864 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
865 < #endif  //is_mpi
681 >    if (globals->haveStatusTime()){
682 >      info[i].statusTime = globals->getStatusTime();
683      }
867    excludeOffset += info.nBends;
684  
685 <    for(j=0; j<info.nTorsions; j++){
686 <      
687 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
872 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
873 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
874 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
875 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
876 <      
877 <      exI = theTorsions[j].a;
878 <      exJ = theTorsions[j].d;
685 >    if (globals->haveThermalTime()){
686 >      info[i].thermalTime = globals->getThermalTime();
687 >    }
688  
689 <      // exclude_I must always be the smaller of the pair
690 <      if( exI > exJ ){
691 <        tempEx = exI;
692 <        exI = exJ;
884 <        exJ = tempEx;
885 <      }
886 < #ifdef IS_MPI
887 <      tempEx = exI;
888 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
889 <      tempEx = exJ;
890 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
891 <      
892 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
893 < #else  // isn't MPI
894 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
895 < #endif  //is_mpi
689 >    info[i].resetIntegrator = 0;
690 >    if( globals->haveResetTime() ){
691 >      info[i].resetTime = globals->getResetTime();
692 >      info[i].resetIntegrator = 1;
693      }
897    excludeOffset += info.nTorsions;
694  
695 <    
900 <    // send the arrays off to the forceField for init.
695 >    // check for the temperature set flag
696  
697 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
698 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
904 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
905 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
697 >    if (globals->haveTempSet())
698 >      info[i].setTemp = globals->getTempSet();
699  
700 +    // get some of the tricky things that may still be in the globals
701  
702 <    the_molecules[i].initialize( info );
703 <    atomOffset += info.nAtoms;
704 <  }
702 >    double boxVector[3];
703 >    if (globals->haveBox()){
704 >      boxVector[0] = globals->getBox();
705 >      boxVector[1] = globals->getBox();
706 >      boxVector[2] = globals->getBox();
707  
708 <  // clean up the forcefield
709 <  the_ff->calcRcut();
710 <  the_ff->cleanMe();
711 < }
708 >      info[i].setBox(boxVector);
709 >    }
710 >    else if (globals->haveDensity()){
711 >      double vol;
712 >      vol = (double) tot_nmol / globals->getDensity();
713 >      boxVector[0] = pow(vol, (1.0 / 3.0));
714 >      boxVector[1] = boxVector[0];
715 >      boxVector[2] = boxVector[0];
716  
717 < void SimSetup::initFromBass( void ){
717 >      info[i].setBox(boxVector);
718 >    }
719 >    else{
720 >      if (!globals->haveBoxX()){
721 >        sprintf(painCave.errMsg,
722 >                "SimSetup error, no periodic BoxX size given.\n");
723 >        painCave.isFatal = 1;
724 >        simError();
725 >      }
726 >      boxVector[0] = globals->getBoxX();
727  
728 <  int i, j, k;
729 <  int n_cells;
730 <  double cellx, celly, cellz;
731 <  double temp1, temp2, temp3;
732 <  int n_per_extra;
733 <  int n_extra;
734 <  int have_extra, done;
728 >      if (!globals->haveBoxY()){
729 >        sprintf(painCave.errMsg,
730 >                "SimSetup error, no periodic BoxY size given.\n");
731 >        painCave.isFatal = 1;
732 >        simError();
733 >      }
734 >      boxVector[1] = globals->getBoxY();
735  
736 <  temp1 = (double)tot_nmol / 4.0;
737 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
738 <  temp3 = ceil( temp2 );
736 >      if (!globals->haveBoxZ()){
737 >        sprintf(painCave.errMsg,
738 >                "SimSetup error, no periodic BoxZ size given.\n");
739 >        painCave.isFatal = 1;
740 >        simError();
741 >      }
742 >      boxVector[2] = globals->getBoxZ();
743  
744 <  have_extra =0;
932 <  if( temp2 < temp3 ){ // we have a non-complete lattice
933 <    have_extra =1;
934 <
935 <    n_cells = (int)temp3 - 1;
936 <    cellx = simnfo->box_x / temp3;
937 <    celly = simnfo->box_y / temp3;
938 <    cellz = simnfo->box_z / temp3;
939 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
940 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
941 <    n_per_extra = (int)ceil( temp1 );
942 <
943 <    if( n_per_extra > 4){
944 <      sprintf( painCave.errMsg,
945 <               "SimSetup error. There has been an error in constructing"
946 <               " the non-complete lattice.\n" );
947 <      painCave.isFatal = 1;
948 <      simError();
744 >      info[i].setBox(boxVector);
745      }
746    }
951  else{
952    n_cells = (int)temp3;
953    cellx = simnfo->box_x / temp3;
954    celly = simnfo->box_y / temp3;
955    cellz = simnfo->box_z / temp3;
956  }
747  
748 <  current_mol = 0;
749 <  current_comp_mol = 0;
960 <  current_comp = 0;
961 <  current_atom_ndx = 0;
748 >  //setup seed for random number generator
749 >  int seedValue;
750  
751 <  for( i=0; i < n_cells ; i++ ){
752 <    for( j=0; j < n_cells; j++ ){
965 <      for( k=0; k < n_cells; k++ ){
751 >  if (globals->haveSeed()){
752 >    seedValue = globals->getSeed();
753  
754 <        makeElement( i * cellx,
755 <                     j * celly,
756 <                     k * cellz );
757 <
758 <        makeElement( i * cellx + 0.5 * cellx,
759 <                     j * celly + 0.5 * celly,
973 <                     k * cellz );
974 <
975 <        makeElement( i * cellx,
976 <                     j * celly + 0.5 * celly,
977 <                     k * cellz + 0.5 * cellz );
754 >    if(seedValue / 1E9 == 0){
755 >      sprintf(painCave.errMsg,
756 >              "Seed for sprng library should contain at least 9 digits\n"
757 >              "OOPSE will generate a seed for user\n");
758 >      painCave.isFatal = 0;
759 >      simError();
760  
761 <        makeElement( i * cellx + 0.5 * cellx,
762 <                     j * celly,
763 <                     k * cellz + 0.5 * cellz );
761 >      //using seed generated by system instead of invalid seed set by user
762 > #ifndef IS_MPI
763 >      seedValue = make_sprng_seed();
764 > #else
765 >      if (worldRank == 0){
766 >        seedValue = make_sprng_seed();
767        }
768 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
769 + #endif      
770      }
771 +  }//end of if branch of globals->haveSeed()
772 +  else{
773 +    
774 + #ifndef IS_MPI
775 +    seedValue = make_sprng_seed();
776 + #else
777 +    if (worldRank == 0){
778 +      seedValue = make_sprng_seed();
779 +    }
780 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
781 + #endif
782 +  }//end of globals->haveSeed()
783 +
784 +  for (int i = 0; i < nInfo; i++){
785 +    info[i].setSeed(seedValue);
786    }
787  
788 <  if( have_extra ){
789 <    done = 0;
788 > #ifdef IS_MPI
789 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
790 >  MPIcheckPoint();
791 > #endif // is_mpi
792 > }
793  
989    int start_ndx;
990    for( i=0; i < (n_cells+1) && !done; i++ ){
991      for( j=0; j < (n_cells+1) && !done; j++ ){
794  
795 <        if( i < n_cells ){
795 > void SimSetup::finalInfoCheck(void){
796 >  int index;
797 >  int usesDipoles;
798 >  int i;
799  
800 <          if( j < n_cells ){
801 <            start_ndx = n_cells;
997 <          }
998 <          else start_ndx = 0;
999 <        }
1000 <        else start_ndx = 0;
800 >  for (i = 0; i < nInfo; i++){
801 >    // check electrostatic parameters
802  
803 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
803 >    index = 0;
804 >    usesDipoles = 0;
805 >    while ((index < info[i].n_atoms) && !usesDipoles){
806 >      usesDipoles = (info[i].atoms[index])->hasDipole();
807 >      index++;
808 >    }
809  
810 <          makeElement( i * cellx,
811 <                       j * celly,
812 <                       k * cellz );
813 <          done = ( current_mol >= tot_nmol );
810 > #ifdef IS_MPI
811 >    int myUse = usesDipoles;
812 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
813 > #endif //is_mpi
814  
815 <          if( !done && n_per_extra > 1 ){
1010 <            makeElement( i * cellx + 0.5 * cellx,
1011 <                         j * celly + 0.5 * celly,
1012 <                         k * cellz );
1013 <            done = ( current_mol >= tot_nmol );
1014 <          }
815 >    double theEcr, theEst;
816  
817 <          if( !done && n_per_extra > 2){
818 <            makeElement( i * cellx,
1018 <                         j * celly + 0.5 * celly,
1019 <                         k * cellz + 0.5 * cellz );
1020 <            done = ( current_mol >= tot_nmol );
1021 <          }
817 >    if (globals->getUseRF()){
818 >      info[i].useReactionField = 1;
819  
820 <          if( !done && n_per_extra > 3){
821 <            makeElement( i * cellx + 0.5 * cellx,
822 <                         j * celly,
823 <                         k * cellz + 0.5 * cellz );
824 <            done = ( current_mol >= tot_nmol );
825 <          }
826 <        }
820 >      if (!globals->haveECR()){
821 >        sprintf(painCave.errMsg,
822 >                "SimSetup Warning: using default value of 1/2 the smallest "
823 >                "box length for the electrostaticCutoffRadius.\n"
824 >                "I hope you have a very fast processor!\n");
825 >        painCave.isFatal = 0;
826 >        simError();
827 >        double smallest;
828 >        smallest = info[i].boxL[0];
829 >        if (info[i].boxL[1] <= smallest)
830 >          smallest = info[i].boxL[1];
831 >        if (info[i].boxL[2] <= smallest)
832 >          smallest = info[i].boxL[2];
833 >        theEcr = 0.5 * smallest;
834        }
835 +      else{
836 +        theEcr = globals->getECR();
837 +      }
838 +
839 +      if (!globals->haveEST()){
840 +        sprintf(painCave.errMsg,
841 +                "SimSetup Warning: using default value of 0.05 * the "
842 +                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
843 +        painCave.isFatal = 0;
844 +        simError();
845 +        theEst = 0.05 * theEcr;
846 +      }
847 +      else{
848 +        theEst = globals->getEST();
849 +      }
850 +
851 +      info[i].setEcr(theEcr, theEst);
852 +
853 +      if (!globals->haveDielectric()){
854 +        sprintf(painCave.errMsg,
855 +                "SimSetup Error: You are trying to use Reaction Field without"
856 +                "setting a dielectric constant!\n");
857 +        painCave.isFatal = 1;
858 +        simError();
859 +      }
860 +      info[i].dielectric = globals->getDielectric();
861      }
862 <  }
862 >    else{
863 >      if (usesDipoles){
864 >        if (!globals->haveECR()){
865 >          sprintf(painCave.errMsg,
866 >                  "SimSetup Warning: using default value of 1/2 the smallest "
867 >                  "box length for the electrostaticCutoffRadius.\n"
868 >                  "I hope you have a very fast processor!\n");
869 >          painCave.isFatal = 0;
870 >          simError();
871 >          double smallest;
872 >          smallest = info[i].boxL[0];
873 >          if (info[i].boxL[1] <= smallest)
874 >            smallest = info[i].boxL[1];
875 >          if (info[i].boxL[2] <= smallest)
876 >            smallest = info[i].boxL[2];
877 >          theEcr = 0.5 * smallest;
878 >        }
879 >        else{
880 >          theEcr = globals->getECR();
881 >        }
882  
883 +        if (!globals->haveEST()){
884 +          sprintf(painCave.errMsg,
885 +                  "SimSetup Warning: using default value of 0.05 * the "
886 +                  "electrostaticCutoffRadius for the "
887 +                  "electrostaticSkinThickness\n");
888 +          painCave.isFatal = 0;
889 +          simError();
890 +          theEst = 0.05 * theEcr;
891 +        }
892 +        else{
893 +          theEst = globals->getEST();
894 +        }
895  
896 <  for( i=0; i<simnfo->n_atoms; i++ ){
897 <    simnfo->atoms[i]->set_vx( 0.0 );
898 <    simnfo->atoms[i]->set_vy( 0.0 );
1038 <    simnfo->atoms[i]->set_vz( 0.0 );
896 >        info[i].setEcr(theEcr, theEst);
897 >      }
898 >    }
899    }
900 +
901 + #ifdef IS_MPI
902 +  strcpy(checkPointMsg, "post processing checks out");
903 +  MPIcheckPoint();
904 + #endif // is_mpi
905   }
906  
907 < void SimSetup::makeElement( double x, double y, double z ){
907 > void SimSetup::initSystemCoords(void){
908 >  int i;
909  
910 <  int k;
1045 <  AtomStamp* current_atom;
1046 <  DirectionalAtom* dAtom;
1047 <  double rotMat[3][3];
910 >  char* inName;
911  
912 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
912 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
913  
914 <    current_atom = comp_stamps[current_comp]->getAtom( k );
915 <    if( !current_atom->havePosition() ){
916 <      sprintf( painCave.errMsg,
917 <               "SimSetup:initFromBass error.\n"
918 <               "\tComponent %s, atom %s does not have a position specified.\n"
919 <               "\tThe initialization routine is unable to give a start"
920 <               " position.\n",
921 <               comp_stamps[current_comp]->getID(),
922 <               current_atom->getType() );
923 <      painCave.isFatal = 1;
924 <      simError();
914 >  for (i = 0; i < info[0].n_atoms; i++)
915 >    info[0].atoms[i]->setCoords();
916 >
917 >  if (globals->haveInitialConfig()){
918 >    InitializeFromFile* fileInit;
919 > #ifdef IS_MPI // is_mpi
920 >    if (worldRank == 0){
921 > #endif //is_mpi
922 >      inName = globals->getInitialConfig();
923 >      fileInit = new InitializeFromFile(inName);
924 > #ifdef IS_MPI
925      }
926 +    else
927 +      fileInit = new InitializeFromFile(NULL);
928 + #endif
929 +    fileInit->readInit(info); // default velocities on
930  
931 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
932 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
933 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
931 >    delete fileInit;
932 >  }
933 >  else{
934 > #ifdef IS_MPI
935  
936 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
936 >    // no init from bass
937  
938 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
938 >    sprintf(painCave.errMsg,
939 >            "Cannot intialize a parallel simulation without an initial configuration file.\n");
940 >    painCave.isFatal = 1;;
941 >    simError();
942  
943 <      rotMat[0][0] = 1.0;
1073 <      rotMat[0][1] = 0.0;
1074 <      rotMat[0][2] = 0.0;
943 > #else
944  
945 <      rotMat[1][0] = 0.0;
1077 <      rotMat[1][1] = 1.0;
1078 <      rotMat[1][2] = 0.0;
945 >    initFromBass();
946  
1080      rotMat[2][0] = 0.0;
1081      rotMat[2][1] = 0.0;
1082      rotMat[2][2] = 1.0;
947  
948 <      dAtom->setA( rotMat );
1085 <    }
1086 <
1087 <    current_atom_ndx++;
948 > #endif
949    }
950  
951 <  current_mol++;
952 <  current_comp_mol++;
951 > #ifdef IS_MPI
952 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
953 >  MPIcheckPoint();
954 > #endif // is_mpi
955 > }
956  
1093  if( current_comp_mol >= components_nmol[current_comp] ){
957  
958 <    current_comp_mol = 0;
959 <    current_comp++;
958 > void SimSetup::makeOutNames(void){
959 >  int k;
960 >
961 >
962 >  for (k = 0; k < nInfo; k++){
963 > #ifdef IS_MPI
964 >    if (worldRank == 0){
965 > #endif // is_mpi
966 >
967 >      if (globals->haveFinalConfig()){
968 >        strcpy(info[k].finalName, globals->getFinalConfig());
969 >      }
970 >      else{
971 >        strcpy(info[k].finalName, inFileName);
972 >        char* endTest;
973 >        int nameLength = strlen(info[k].finalName);
974 >        endTest = &(info[k].finalName[nameLength - 5]);
975 >        if (!strcmp(endTest, ".bass")){
976 >          strcpy(endTest, ".eor");
977 >        }
978 >        else if (!strcmp(endTest, ".BASS")){
979 >          strcpy(endTest, ".eor");
980 >        }
981 >        else{
982 >          endTest = &(info[k].finalName[nameLength - 4]);
983 >          if (!strcmp(endTest, ".bss")){
984 >            strcpy(endTest, ".eor");
985 >          }
986 >          else if (!strcmp(endTest, ".mdl")){
987 >            strcpy(endTest, ".eor");
988 >          }
989 >          else{
990 >            strcat(info[k].finalName, ".eor");
991 >          }
992 >        }
993 >      }
994 >
995 >      // make the sample and status out names
996 >
997 >      strcpy(info[k].sampleName, inFileName);
998 >      char* endTest;
999 >      int nameLength = strlen(info[k].sampleName);
1000 >      endTest = &(info[k].sampleName[nameLength - 5]);
1001 >      if (!strcmp(endTest, ".bass")){
1002 >        strcpy(endTest, ".dump");
1003 >      }
1004 >      else if (!strcmp(endTest, ".BASS")){
1005 >        strcpy(endTest, ".dump");
1006 >      }
1007 >      else{
1008 >        endTest = &(info[k].sampleName[nameLength - 4]);
1009 >        if (!strcmp(endTest, ".bss")){
1010 >          strcpy(endTest, ".dump");
1011 >        }
1012 >        else if (!strcmp(endTest, ".mdl")){
1013 >          strcpy(endTest, ".dump");
1014 >        }
1015 >        else{
1016 >          strcat(info[k].sampleName, ".dump");
1017 >        }
1018 >      }
1019 >
1020 >      strcpy(info[k].statusName, inFileName);
1021 >      nameLength = strlen(info[k].statusName);
1022 >      endTest = &(info[k].statusName[nameLength - 5]);
1023 >      if (!strcmp(endTest, ".bass")){
1024 >        strcpy(endTest, ".stat");
1025 >      }
1026 >      else if (!strcmp(endTest, ".BASS")){
1027 >        strcpy(endTest, ".stat");
1028 >      }
1029 >      else{
1030 >        endTest = &(info[k].statusName[nameLength - 4]);
1031 >        if (!strcmp(endTest, ".bss")){
1032 >          strcpy(endTest, ".stat");
1033 >        }
1034 >        else if (!strcmp(endTest, ".mdl")){
1035 >          strcpy(endTest, ".stat");
1036 >        }
1037 >        else{
1038 >          strcat(info[k].statusName, ".stat");
1039 >        }
1040 >      }
1041 >
1042 > #ifdef IS_MPI
1043 >
1044 >    }
1045 > #endif // is_mpi
1046    }
1047   }
1048 +
1049 +
1050 + void SimSetup::sysObjectsCreation(void){
1051 +  int i, k;
1052 +
1053 +  // create the forceField
1054 +
1055 +  createFF();
1056 +
1057 +  // extract componentList
1058 +
1059 +  compList();
1060 +
1061 +  // calc the number of atoms, bond, bends, and torsions
1062 +
1063 +  calcSysValues();
1064 +
1065 + #ifdef IS_MPI
1066 +  // divide the molecules among the processors
1067 +
1068 +  mpiMolDivide();
1069 + #endif //is_mpi
1070 +
1071 +  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1072 +
1073 +  makeSysArrays();
1074 +
1075 +  // make and initialize the molecules (all but atomic coordinates)
1076 +
1077 +  makeMolecules();
1078 +
1079 +  for (k = 0; k < nInfo; k++){
1080 +    info[k].identArray = new int[info[k].n_atoms];
1081 +    for (i = 0; i < info[k].n_atoms; i++){
1082 +      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1083 +    }
1084 +  }
1085 + }
1086 +
1087 +
1088 + void SimSetup::createFF(void){
1089 +  switch (ffCase){
1090 +    case FF_DUFF:
1091 +      the_ff = new DUFF();
1092 +      break;
1093 +
1094 +    case FF_LJ:
1095 +      the_ff = new LJFF();
1096 +      break;
1097 +
1098 +    case FF_EAM:
1099 +      the_ff = new EAM_FF();
1100 +      break;
1101 +
1102 +    default:
1103 +      sprintf(painCave.errMsg,
1104 +              "SimSetup Error. Unrecognized force field in case statement.\n");
1105 +      painCave.isFatal = 1;
1106 +      simError();
1107 +  }
1108 +
1109 + #ifdef IS_MPI
1110 +  strcpy(checkPointMsg, "ForceField creation successful");
1111 +  MPIcheckPoint();
1112 + #endif // is_mpi
1113 + }
1114 +
1115 +
1116 + void SimSetup::compList(void){
1117 +  int i;
1118 +  char* id;
1119 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1120 +  LinkedMolStamp* currentStamp = NULL;
1121 +  comp_stamps = new MoleculeStamp * [n_components];
1122 +
1123 +  // make an array of molecule stamps that match the components used.
1124 +  // also extract the used stamps out into a separate linked list
1125 +
1126 +  for (i = 0; i < nInfo; i++){
1127 +    info[i].nComponents = n_components;
1128 +    info[i].componentsNmol = components_nmol;
1129 +    info[i].compStamps = comp_stamps;
1130 +    info[i].headStamp = headStamp;
1131 +  }
1132 +
1133 +
1134 +  for (i = 0; i < n_components; i++){
1135 +    id = the_components[i]->getType();
1136 +    comp_stamps[i] = NULL;
1137 +
1138 +    // check to make sure the component isn't already in the list
1139 +
1140 +    comp_stamps[i] = headStamp->match(id);
1141 +    if (comp_stamps[i] == NULL){
1142 +      // extract the component from the list;
1143 +
1144 +      currentStamp = stamps->extractMolStamp(id);
1145 +      if (currentStamp == NULL){
1146 +        sprintf(painCave.errMsg,
1147 +                "SimSetup error: Component \"%s\" was not found in the "
1148 +                "list of declared molecules\n",
1149 +                id);
1150 +        painCave.isFatal = 1;
1151 +        simError();
1152 +      }
1153 +
1154 +      headStamp->add(currentStamp);
1155 +      comp_stamps[i] = headStamp->match(id);
1156 +    }
1157 +  }
1158 +
1159 + #ifdef IS_MPI
1160 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1161 +  MPIcheckPoint();
1162 + #endif // is_mpi
1163 + }
1164 +
1165 + void SimSetup::calcSysValues(void){
1166 +  int i;
1167 +
1168 +  int* molMembershipArray;
1169 +
1170 +  tot_atoms = 0;
1171 +  tot_bonds = 0;
1172 +  tot_bends = 0;
1173 +  tot_torsions = 0;
1174 +  for (i = 0; i < n_components; i++){
1175 +    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1176 +    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1177 +    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1178 +    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1179 +  }
1180 +
1181 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1182 +  molMembershipArray = new int[tot_atoms];
1183 +
1184 +  for (i = 0; i < nInfo; i++){
1185 +    info[i].n_atoms = tot_atoms;
1186 +    info[i].n_bonds = tot_bonds;
1187 +    info[i].n_bends = tot_bends;
1188 +    info[i].n_torsions = tot_torsions;
1189 +    info[i].n_SRI = tot_SRI;
1190 +    info[i].n_mol = tot_nmol;
1191 +
1192 +    info[i].molMembershipArray = molMembershipArray;
1193 +  }
1194 + }
1195 +
1196 + #ifdef IS_MPI
1197 +
1198 + void SimSetup::mpiMolDivide(void){
1199 +  int i, j, k;
1200 +  int localMol, allMol;
1201 +  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1202 +
1203 +  mpiSim = new mpiSimulation(info);
1204 +
1205 +  globalIndex = mpiSim->divideLabor();
1206 +
1207 +  // set up the local variables
1208 +
1209 +  mol2proc = mpiSim->getMolToProcMap();
1210 +  molCompType = mpiSim->getMolComponentType();
1211 +
1212 +  allMol = 0;
1213 +  localMol = 0;
1214 +  local_atoms = 0;
1215 +  local_bonds = 0;
1216 +  local_bends = 0;
1217 +  local_torsions = 0;
1218 +  globalAtomIndex = 0;
1219 +
1220 +
1221 +  for (i = 0; i < n_components; i++){
1222 +    for (j = 0; j < components_nmol[i]; j++){
1223 +      if (mol2proc[allMol] == worldRank){
1224 +        local_atoms += comp_stamps[i]->getNAtoms();
1225 +        local_bonds += comp_stamps[i]->getNBonds();
1226 +        local_bends += comp_stamps[i]->getNBends();
1227 +        local_torsions += comp_stamps[i]->getNTorsions();
1228 +        localMol++;
1229 +      }      
1230 +      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1231 +        info[0].molMembershipArray[globalAtomIndex] = allMol;
1232 +        globalAtomIndex++;
1233 +      }
1234 +
1235 +      allMol++;
1236 +    }
1237 +  }
1238 +  local_SRI = local_bonds + local_bends + local_torsions;
1239 +
1240 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1241 +
1242 +  if (local_atoms != info[0].n_atoms){
1243 +    sprintf(painCave.errMsg,
1244 +            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1245 +            " localAtom (%d) are not equal.\n",
1246 +            info[0].n_atoms, local_atoms);
1247 +    painCave.isFatal = 1;
1248 +    simError();
1249 +  }
1250 +
1251 +  info[0].n_bonds = local_bonds;
1252 +  info[0].n_bends = local_bends;
1253 +  info[0].n_torsions = local_torsions;
1254 +  info[0].n_SRI = local_SRI;
1255 +  info[0].n_mol = localMol;
1256 +
1257 +  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1258 +  MPIcheckPoint();
1259 + }
1260 +
1261 + #endif // is_mpi
1262 +
1263 +
1264 + void SimSetup::makeSysArrays(void){
1265 +
1266 + #ifndef IS_MPI
1267 +  int k, j;
1268 + #endif // is_mpi
1269 +  int i, l;
1270 +
1271 +  Atom** the_atoms;
1272 +  Molecule* the_molecules;
1273 +  Exclude** the_excludes;
1274 +
1275 +
1276 +  for (l = 0; l < nInfo; l++){
1277 +    // create the atom and short range interaction arrays
1278 +
1279 +    the_atoms = new Atom * [info[l].n_atoms];
1280 +    the_molecules = new Molecule[info[l].n_mol];
1281 +    int molIndex;
1282 +
1283 +    // initialize the molecule's stampID's
1284 +
1285 + #ifdef IS_MPI
1286 +
1287 +
1288 +    molIndex = 0;
1289 +    for (i = 0; i < mpiSim->getTotNmol(); i++){
1290 +      if (mol2proc[i] == worldRank){
1291 +        the_molecules[molIndex].setStampID(molCompType[i]);
1292 +        the_molecules[molIndex].setMyIndex(molIndex);
1293 +        the_molecules[molIndex].setGlobalIndex(i);
1294 +        molIndex++;
1295 +      }
1296 +    }
1297 +
1298 + #else // is_mpi
1299 +
1300 +    molIndex = 0;
1301 +    globalAtomIndex = 0;
1302 +    for (i = 0; i < n_components; i++){
1303 +      for (j = 0; j < components_nmol[i]; j++){
1304 +        the_molecules[molIndex].setStampID(i);
1305 +        the_molecules[molIndex].setMyIndex(molIndex);
1306 +        the_molecules[molIndex].setGlobalIndex(molIndex);
1307 +        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1308 +          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1309 +          globalAtomIndex++;
1310 +        }
1311 +        molIndex++;
1312 +      }
1313 +    }
1314 +
1315 +
1316 + #endif // is_mpi
1317 +
1318 +
1319 +    if (info[l].n_SRI){
1320 +      Exclude::createArray(info[l].n_SRI);
1321 +      the_excludes = new Exclude * [info[l].n_SRI];
1322 +      for (int ex = 0; ex < info[l].n_SRI; ex++){
1323 +        the_excludes[ex] = new Exclude(ex);
1324 +      }
1325 +      info[l].globalExcludes = new int;
1326 +      info[l].n_exclude = info[l].n_SRI;
1327 +    }
1328 +    else{
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 +    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 + void SimSetup::makeIntegrator(void){
1350 +  int k;
1351 +
1352 +  NVE<RealIntegrator>* myNVE = NULL;
1353 +  NVT<RealIntegrator>* myNVT = NULL;
1354 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1355 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1356 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1357 +  
1358 +  for (k = 0; k < nInfo; k++){
1359 +    switch (ensembleCase){
1360 +      case NVE_ENS:
1361 +        if (globals->haveZconstraints()){
1362 +          setupZConstraint(info[k]);
1363 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1364 +        }
1365 +        else{
1366 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1367 +        }
1368 +        
1369 +        info->the_integrator = myNVE;
1370 +        break;
1371 +
1372 +      case NVT_ENS:
1373 +        if (globals->haveZconstraints()){
1374 +          setupZConstraint(info[k]);
1375 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1376 +        }
1377 +        else
1378 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1379 +
1380 +        myNVT->setTargetTemp(globals->getTargetTemp());
1381 +
1382 +        if (globals->haveTauThermostat())
1383 +          myNVT->setTauThermostat(globals->getTauThermostat());
1384 +        else{
1385 +          sprintf(painCave.errMsg,
1386 +                  "SimSetup error: If you use the NVT\n"
1387 +                  "    ensemble, you must set tauThermostat.\n");
1388 +          painCave.isFatal = 1;
1389 +          simError();
1390 +        }
1391 +
1392 +        info->the_integrator = myNVT;
1393 +        break;
1394 +
1395 +      case NPTi_ENS:
1396 +        if (globals->haveZconstraints()){
1397 +          setupZConstraint(info[k]);
1398 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1399 +        }
1400 +        else
1401 +          myNPTi = new NPTi<NPT<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 +
1435 +        info->the_integrator = myNPTi;
1436 +        break;
1437 +
1438 +      case NPTf_ENS:
1439 +        if (globals->haveZconstraints()){
1440 +          setupZConstraint(info[k]);
1441 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1442 +        }
1443 +        else
1444 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1445 +
1446 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1447 +
1448 +        if (globals->haveTargetPressure())
1449 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1450 +        else{
1451 +          sprintf(painCave.errMsg,
1452 +                  "SimSetup error: If you use a constant pressure\n"
1453 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1454 +          painCave.isFatal = 1;
1455 +          simError();
1456 +        }    
1457 +
1458 +        if (globals->haveTauThermostat())
1459 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1460 +        else{
1461 +          sprintf(painCave.errMsg,
1462 +                  "SimSetup error: If you use an NPT\n"
1463 +                  "    ensemble, you must set tauThermostat.\n");
1464 +          painCave.isFatal = 1;
1465 +          simError();
1466 +        }
1467 +
1468 +        if (globals->haveTauBarostat())
1469 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1470 +        else{
1471 +          sprintf(painCave.errMsg,
1472 +                  "SimSetup error: If you use an NPT\n"
1473 +                  "    ensemble, you must set tauBarostat.\n");
1474 +          painCave.isFatal = 1;
1475 +          simError();
1476 +        }
1477 +
1478 +        info->the_integrator = myNPTf;
1479 +        break;
1480 +
1481 +      case NPTxyz_ENS:
1482 +        if (globals->haveZconstraints()){
1483 +          setupZConstraint(info[k]);
1484 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1485 +        }
1486 +        else
1487 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1488 +
1489 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1490 +
1491 +        if (globals->haveTargetPressure())
1492 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1493 +        else{
1494 +          sprintf(painCave.errMsg,
1495 +                  "SimSetup error: If you use a constant pressure\n"
1496 +                  "    ensemble, you must set targetPressure in the BASS file.\n");
1497 +          painCave.isFatal = 1;
1498 +          simError();
1499 +        }    
1500 +
1501 +        if (globals->haveTauThermostat())
1502 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1503 +        else{
1504 +          sprintf(painCave.errMsg,
1505 +                  "SimSetup error: If you use an NPT\n"
1506 +                  "    ensemble, you must set tauThermostat.\n");
1507 +          painCave.isFatal = 1;
1508 +          simError();
1509 +        }
1510 +
1511 +        if (globals->haveTauBarostat())
1512 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1513 +        else{
1514 +          sprintf(painCave.errMsg,
1515 +                  "SimSetup error: If you use an NPT\n"
1516 +                  "    ensemble, you must set tauBarostat.\n");
1517 +          painCave.isFatal = 1;
1518 +          simError();
1519 +        }
1520 +
1521 +        info->the_integrator = myNPTxyz;
1522 +        break;
1523 +
1524 +      default:
1525 +        sprintf(painCave.errMsg,
1526 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1527 +        painCave.isFatal = 1;
1528 +        simError();
1529 +    }
1530 +  }
1531 + }
1532 +
1533 + void SimSetup::initFortran(void){
1534 +  info[0].refreshSim();
1535 +
1536 +  if (!strcmp(info[0].mixingRule, "standard")){
1537 +    the_ff->initForceField(LB_MIXING_RULE);
1538 +  }
1539 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1540 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1541 +  }
1542 +  else{
1543 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1544 +            info[0].mixingRule);
1545 +    painCave.isFatal = 1;
1546 +    simError();
1547 +  }
1548 +
1549 +
1550 + #ifdef IS_MPI
1551 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1552 +  MPIcheckPoint();
1553 + #endif // is_mpi
1554 + }
1555 +
1556 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1557 +  int nZConstraints;
1558 +  ZconStamp** zconStamp;
1559 +
1560 +  if (globals->haveZconstraintTime()){
1561 +    //add sample time of z-constraint  into SimInfo's property list                    
1562 +    DoubleData* zconsTimeProp = new DoubleData();
1563 +    zconsTimeProp->setID(ZCONSTIME_ID);
1564 +    zconsTimeProp->setData(globals->getZconsTime());
1565 +    theInfo.addProperty(zconsTimeProp);
1566 +  }
1567 +  else{
1568 +    sprintf(painCave.errMsg,
1569 +            "ZConstraint error: If you use an ZConstraint\n"
1570 +            " , you must set sample time.\n");
1571 +    painCave.isFatal = 1;
1572 +    simError();
1573 +  }
1574 +
1575 +  //push zconsTol into siminfo, if user does not specify
1576 +  //value for zconsTol, a default value will be used
1577 +  DoubleData* zconsTol = new DoubleData();
1578 +  zconsTol->setID(ZCONSTOL_ID);
1579 +  if (globals->haveZconsTol()){
1580 +    zconsTol->setData(globals->getZconsTol());
1581 +  }
1582 +  else{
1583 +    double defaultZConsTol = 0.01;
1584 +    sprintf(painCave.errMsg,
1585 +            "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1586 +            " , default value %f is used.\n",
1587 +            defaultZConsTol);
1588 +    painCave.isFatal = 0;
1589 +    simError();      
1590 +
1591 +    zconsTol->setData(defaultZConsTol);
1592 +  }
1593 +  theInfo.addProperty(zconsTol);
1594 +
1595 +  //set Force Subtraction Policy
1596 +  StringData* zconsForcePolicy = new StringData();
1597 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1598 +
1599 +  if (globals->haveZconsForcePolicy()){
1600 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1601 +  }
1602 +  else{
1603 +    sprintf(painCave.errMsg,
1604 +            "ZConstraint Warning: User does not set force Subtraction policy, "
1605 +            "PolicyByMass is used\n");
1606 +    painCave.isFatal = 0;
1607 +    simError();
1608 +    zconsForcePolicy->setData("BYMASS");
1609 +  }
1610 +
1611 +  theInfo.addProperty(zconsForcePolicy);
1612 +
1613 +  //Determine the name of ouput file and add it into SimInfo's property list
1614 +  //Be careful, do not use inFileName, since it is a pointer which
1615 +  //point to a string at master node, and slave nodes do not contain that string
1616 +
1617 +  string zconsOutput(theInfo.finalName);
1618 +
1619 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1620 +
1621 +  StringData* zconsFilename = new StringData();
1622 +  zconsFilename->setID(ZCONSFILENAME_ID);
1623 +  zconsFilename->setData(zconsOutput);
1624 +
1625 +  theInfo.addProperty(zconsFilename);
1626 +
1627 +  //setup index, pos and other parameters of z-constraint molecules
1628 +  nZConstraints = globals->getNzConstraints();
1629 +  theInfo.nZconstraints = nZConstraints;
1630 +
1631 +  zconStamp = globals->getZconStamp();
1632 +  ZConsParaItem tempParaItem;
1633 +
1634 +  ZConsParaData* zconsParaData = new ZConsParaData();
1635 +  zconsParaData->setID(ZCONSPARADATA_ID);
1636 +
1637 +  for (int i = 0; i < nZConstraints; i++){
1638 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1639 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1640 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1641 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1642 +
1643 +    zconsParaData->addItem(tempParaItem);
1644 +  }
1645 +
1646 +  //check the uniqueness of index  
1647 +  if(!zconsParaData->isIndexUnique()){
1648 +    sprintf(painCave.errMsg,
1649 +            "ZConstraint Error: molIndex is not unique\n");
1650 +    painCave.isFatal = 1;
1651 +    simError();
1652 +  }
1653 +
1654 +  //sort the parameters by index of molecules
1655 +  zconsParaData->sortByIndex();
1656 +  
1657 +  //push data into siminfo, therefore, we can retrieve later
1658 +  theInfo.addProperty(zconsParaData);
1659 + }

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