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root/group/branches/new-templateless/OOPSE/libmdtools/SimSetup.cpp
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Comparing:
trunk/OOPSE/libmdtools/SimSetup.cpp (file contents), Revision 424 by mmeineke, Thu Mar 27 20:36:16 2003 UTC vs.
branches/new-templateless/OOPSE/libmdtools/SimSetup.cpp (file contents), Revision 851 by mmeineke, Wed Nov 5 19:18:17 2003 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <stdlib.h>
2   #include <iostream>
3 < #include <cmath>
3 > #include <math.h>
4 > #include <string.h>
5 > #include <sprng.h>
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
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 +  
35 +  initSuspend = false;
36 +  isInfoArray = 0;
37 +  nInfo = 1;
38 +
39    stamps = new MakeStamps();
40    globals = new Globals();
41 <  
41 >
42 >
43   #ifdef IS_MPI
44 <  strcpy( checkPointMsg, "SimSetup creation successful" );
44 >  strcpy(checkPointMsg, "SimSetup creation successful");
45    MPIcheckPoint();
46   #endif // IS_MPI
47   }
# Line 27 | Line 51 | SimSetup::~SimSetup(){
51    delete globals;
52   }
53  
54 < void SimSetup::parseFile( char* fileName ){
54 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
55 >  info = the_info;
56 >  nInfo = theNinfo;
57 >  isInfoArray = 1;
58 >  initSuspend = true;
59 > }
60  
61 +
62 + void SimSetup::parseFile(char* fileName){
63   #ifdef IS_MPI
64 <  if( worldRank == 0 ){
64 >  if (worldRank == 0){
65   #endif // is_mpi
66 <    
66 >
67      inFileName = fileName;
68 <    set_interface_stamps( stamps, globals );
69 <    
68 >    set_interface_stamps(stamps, globals);
69 >
70   #ifdef IS_MPI
71      mpiEventInit();
72   #endif
73  
74 <    yacc_BASS( fileName );
74 >    yacc_BASS(fileName);
75  
76   #ifdef IS_MPI
77      throwMPIEvent(NULL);
78    }
79 <  else receiveParse();
79 >  else{
80 >    receiveParse();
81 >  }
82   #endif
83  
84   }
85  
86   #ifdef IS_MPI
87   void SimSetup::receiveParse(void){
88 <
89 <    set_interface_stamps( stamps, globals );
90 <    mpiEventInit();
91 <    MPIcheckPoint();
59 <    mpiEventLoop();
60 <
88 >  set_interface_stamps(stamps, globals);
89 >  mpiEventInit();
90 >  MPIcheckPoint();
91 >  mpiEventLoop();
92   }
93  
94   #endif // is_mpi
95  
96 < void SimSetup::createSim( void ){
96 > void SimSetup::createSim(void){
97  
98 <  MakeStamps *the_stamps;
68 <  Globals* the_globals;
69 <  int i, j;
98 >  // gather all of the information from the Bass file
99  
100 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
100 >  gatherInfo();
101  
102 <  // 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();
102 >  // creation of complex system objects
103  
104 <  // 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 );
104 >  sysObjectsCreation();
105  
106 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
106 >  // initialize the system coordinates
107  
108 +  if ( !initSuspend ){
109 +    initSystemCoords();
110  
111 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
112 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
113 <  else{
94 <    sprintf( painCave.errMsg,
95 <             "SimSetup Error. Unrecognized force field -> %s\n",
96 <             force_field );
97 <    painCave.isFatal = 1;
98 <    simError();
99 <  }
111 >    if( !(globals->getUseInitTime()) )
112 >      info[0].currentTime = 0.0;
113 >  }  
114  
115 < #ifdef IS_MPI
102 <  strcpy( checkPointMsg, "ForceField creation successful" );
103 <  MPIcheckPoint();
104 < #endif // is_mpi
115 >  // check on the post processing info
116  
117 <  
117 >  finalInfoCheck();
118  
119 <  // get the components and calculate the tot_nMol and indvidual n_mol
109 <  the_components = the_globals->getComponents();
110 <  components_nmol = new int[n_components];
111 <  comp_stamps = new MoleculeStamp*[n_components];
119 >  // make the output filenames
120  
121 <  if( !the_globals->haveNMol() ){
114 <    // we don't have the total number of molecules, so we assume it is
115 <    // given in each component
121 >  makeOutNames();
122  
123 <    tot_nmol = 0;
118 <    for( i=0; i<n_components; i++ ){
123 >  // make the integrator
124  
125 <      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 <      }
125 >  makeIntegrator();
126  
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
127   #ifdef IS_MPI
128 <  strcpy( checkPointMsg, "Have the number of components" );
129 <  MPIcheckPoint();
161 < #endif // is_mpi
128 >  mpiSim->mpiRefresh();
129 > #endif
130  
131 <  // make an array of molecule stamps that match the components used.
164 <  // also extract the used stamps out into a separate linked list
131 >  // initialize the Fortran
132  
133 <  simnfo->nComponents = n_components;
134 <  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++ ){
133 >  initFortran();
134 > }
135  
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
136  
137 <    comp_stamps[i] = headStamp->match( id );
138 <    if( comp_stamps[i] == NULL ){
139 <      
140 <      // extract the component from the list;
141 <      
142 <      currentStamp = the_stamps->extractMolStamp( id );
143 <      if( currentStamp == NULL ){
144 <        sprintf( painCave.errMsg,
145 <                 "SimSetup error: Component \"%s\" was not found in the "
146 <                 "list of declared molecules\n",
147 <                 id );
192 <        painCave.isFatal = 1;
193 <        simError();
194 <      }
195 <      
196 <      headStamp->add( currentStamp );
197 <      comp_stamps[i] = headStamp->match( id );
198 <    }
199 <  }
137 > void SimSetup::makeMolecules(void){
138 >  int k;
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 < #ifdef IS_MPI
150 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
151 <  MPIcheckPoint();
204 < #endif // is_mpi
205 <  
149 >  bond_pair* theBonds;
150 >  bend_set* theBends;
151 >  torsion_set* theTorsions;
152  
153  
154 +  //init the forceField paramters
155  
156 <  // caclulate the number of atoms, bonds, bends and torsions
156 >  the_ff->readParams();
157  
211  tot_atoms = 0;
212  tot_bonds = 0;
213  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  }
158  
159 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
159 >  // init the atoms
160  
161 <  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;
161 >  double ux, uy, uz, u, uSqr;
162  
163 <  
164 < #ifdef IS_MPI
163 >  for (k = 0; k < nInfo; k++){
164 >    the_ff->setSimInfo(&(info[k]));
165  
166 <  // divide the molecules among processors here.
167 <  
168 <  mpiSim = new mpiSimulation( simnfo );
169 <  
239 <  
166 >    atomOffset = 0;
167 >    excludeOffset = 0;
168 >    for (i = 0; i < info[k].n_mol; i++){
169 >      stampID = info[k].molecules[i].getStampID();
170  
171 <  globalIndex = mpiSim->divideLabor();
171 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
172 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
173 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
174 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
175 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
176  
177 +      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
178 +      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
179 +      molInfo.myBonds = new Bond * [molInfo.nBonds];
180 +      molInfo.myBends = new Bend * [molInfo.nBends];
181 +      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
182  
183 +      theBonds = new bond_pair[molInfo.nBonds];
184 +      theBends = new bend_set[molInfo.nBends];
185 +      theTorsions = new torsion_set[molInfo.nTorsions];
186  
187 <  // set up the local variables
246 <  
247 <  int localMol, allMol;
248 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
187 >      // make the Atoms
188  
189 <  int* mol2proc = mpiSim->getMolToProcMap();
190 <  int* molCompType = mpiSim->getMolComponentType();
191 <  
192 <  allMol = 0;
193 <  localMol = 0;
194 <  local_atoms = 0;
195 <  local_bonds = 0;
257 <  local_bends = 0;
258 <  local_torsions = 0;
259 <  for( i=0; i<n_components; i++ ){
189 >      for (j = 0; j < molInfo.nAtoms; j++){
190 >        currentAtom = comp_stamps[stampID]->getAtom(j);
191 >        if (currentAtom->haveOrientation()){
192 >          dAtom = new DirectionalAtom((j + atomOffset),
193 >                                      info[k].getConfiguration());
194 >          info[k].n_oriented++;
195 >          molInfo.myAtoms[j] = dAtom;
196  
197 <    for( j=0; j<components_nmol[i]; j++ ){
198 <      
199 <      if( mol2proc[j] == worldRank ){
264 <        
265 <        local_atoms +=    comp_stamps[i]->getNAtoms();
266 <        local_bonds +=    comp_stamps[i]->getNBonds();
267 <        local_bends +=    comp_stamps[i]->getNBends();
268 <        local_torsions += comp_stamps[i]->getNTorsions();
269 <        localMol++;
270 <      }      
271 <      allMol++;
272 <    }
273 <  }
274 <  local_SRI = local_bonds + local_bends + local_torsions;
275 <  
197 >          ux = currentAtom->getOrntX();
198 >          uy = currentAtom->getOrntY();
199 >          uz = currentAtom->getOrntZ();
200  
201 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
278 <  
279 <  if( local_atoms != simnfo->n_atoms ){
280 <    sprintf( painCave.errMsg,
281 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
282 <             " localAtom (%d) are not equal.\n",
283 <             simnfo->n_atoms,
284 <             local_atoms );
285 <    painCave.isFatal = 1;
286 <    simError();
287 <  }
201 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
202  
203 <  simnfo->n_bonds = local_bonds;
204 <  simnfo->n_bends = local_bends;
205 <  simnfo->n_torsions = local_torsions;
206 <  simnfo->n_SRI = local_SRI;
293 <  simnfo->n_mol = localMol;
203 >          u = sqrt(uSqr);
204 >          ux = ux / u;
205 >          uy = uy / u;
206 >          uz = uz / u;
207  
208 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
209 <  MPIcheckPoint();
210 <  
211 <  
212 < #endif // is_mpi
213 <  
208 >          dAtom->setSUx(ux);
209 >          dAtom->setSUy(uy);
210 >          dAtom->setSUz(uz);
211 >        }
212 >        else{
213 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
214 >                                               info[k].getConfiguration());
215 >        }
216 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
217  
218 <  // create the atom and short range interaction arrays
218 > #ifdef IS_MPI
219  
220 <  Atom::createArrays(simnfo->n_atoms);
305 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
307 <  int molIndex;
220 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
221  
222 <  // initialize the molecule's stampID's
222 > #endif // is_mpi
223 >      }
224  
225 +      // make the bonds
226 +      for (j = 0; j < molInfo.nBonds; j++){
227 +        currentBond = comp_stamps[stampID]->getBond(j);
228 +        theBonds[j].a = currentBond->getA() + atomOffset;
229 +        theBonds[j].b = currentBond->getB() + atomOffset;
230 +
231 +        exI = theBonds[j].a;
232 +        exJ = theBonds[j].b;
233 +
234 +        // exclude_I must always be the smaller of the pair
235 +        if (exI > exJ){
236 +          tempEx = exI;
237 +          exI = exJ;
238 +          exJ = tempEx;
239 +        }
240   #ifdef IS_MPI
241 <  
241 >        tempEx = exI;
242 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
243 >        tempEx = exJ;
244 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
245  
246 <  molIndex = 0;
247 <  for(i=0; i<mpiSim->getTotNmol(); i++){
316 <    
317 <    if(mol2proc[i] == worldRank ){
318 <      the_molecules[molIndex].setStampID( molCompType[i] );
319 <      molIndex++;
320 <    }
321 <  }
246 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
247 > #else  // isn't MPI
248  
249 < #else // is_mpi
250 <  
251 <  molIndex = 0;
252 <  for(i=0; i<n_components; i++){
327 <    for(j=0; j<components_nmol[i]; j++ ){
328 <      the_molecules[molIndex].setStampID( i );
329 <      molIndex++;
330 <    }
331 <  }
332 <    
249 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
250 > #endif  //is_mpi
251 >      }
252 >      excludeOffset += molInfo.nBonds;
253  
254 < #endif // is_mpi
254 >      //make the bends
255 >      for (j = 0; j < molInfo.nBends; j++){
256 >        currentBend = comp_stamps[stampID]->getBend(j);
257 >        theBends[j].a = currentBend->getA() + atomOffset;
258 >        theBends[j].b = currentBend->getB() + atomOffset;
259 >        theBends[j].c = currentBend->getC() + atomOffset;
260  
261 +        if (currentBend->haveExtras()){
262 +          extras = currentBend->getExtras();
263 +          current_extra = extras;
264  
265 <  if( simnfo->n_SRI ){
266 <    Exclude::createArray(simnfo->n_SRI);
267 <    the_excludes = new Exclude*[simnfo->n_SRI];
268 <    simnfo->globalExcludes = new int;
269 <    simnfo->n_exclude = tot_SRI;
270 <  }
271 <  else{
344 <    
345 <    Exclude::createArray( 1 );
346 <    the_excludes = new Exclude*;
347 <    the_excludes[0] = new Exclude(0);
348 <    the_excludes[0]->setPair( 0,0 );
349 <    simnfo->globalExcludes = new int;
350 <    simnfo->globalExcludes[0] = 0;
351 <    simnfo->n_exclude = 0;
352 <  }
265 >          while (current_extra != NULL){
266 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
267 >              switch (current_extra->getType()){
268 >                case 0:
269 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
270 >                  theBends[j].isGhost = 1;
271 >                  break;
272  
273 <  // set the arrays into the SimInfo object
273 >                case 1:
274 >                  theBends[j].ghost = (int) current_extra->getDouble() +
275 >                                      atomOffset;
276 >                  theBends[j].isGhost = 1;
277 >                  break;
278  
279 <  simnfo->atoms = the_atoms;
280 <  simnfo->nGlobalExcludes = 0;
281 <  simnfo->excludes = the_excludes;
279 >                default:
280 >                  sprintf(painCave.errMsg,
281 >                          "SimSetup Error: ghostVectorSource was neither a "
282 >                          "double nor an int.\n"
283 >                          "-->Bend[%d] in %s\n",
284 >                          j, comp_stamps[stampID]->getID());
285 >                  painCave.isFatal = 1;
286 >                  simError();
287 >              }
288 >            }
289 >            else{
290 >              sprintf(painCave.errMsg,
291 >                      "SimSetup Error: unhandled bend assignment:\n"
292 >                      "    -->%s in Bend[%d] in %s\n",
293 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
294 >              painCave.isFatal = 1;
295 >              simError();
296 >            }
297  
298 +            current_extra = current_extra->getNext();
299 +          }
300 +        }
301  
302 <  // get some of the tricky things that may still be in the globals
302 >        if (!theBends[j].isGhost){
303 >          exI = theBends[j].a;
304 >          exJ = theBends[j].c;
305 >        }
306 >        else{
307 >          exI = theBends[j].a;
308 >          exJ = theBends[j].b;
309 >        }
310  
311 <  
312 <  if( the_globals->haveBox() ){
313 <    simnfo->box_x = the_globals->getBox();
314 <    simnfo->box_y = the_globals->getBox();
315 <    simnfo->box_z = the_globals->getBox();
316 <  }
317 <  else if( the_globals->haveDensity() ){
311 >        // exclude_I must always be the smaller of the pair
312 >        if (exI > exJ){
313 >          tempEx = exI;
314 >          exI = exJ;
315 >          exJ = tempEx;
316 >        }
317 > #ifdef IS_MPI
318 >        tempEx = exI;
319 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
320 >        tempEx = exJ;
321 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
322  
323 <    double vol;
324 <    vol = (double)tot_nmol / the_globals->getDensity();
325 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
326 <    simnfo->box_y = simnfo->box_x;
327 <    simnfo->box_z = simnfo->box_x;
328 <  }
377 <  else{
378 <    if( !the_globals->haveBoxX() ){
379 <      sprintf( painCave.errMsg,
380 <               "SimSetup error, no periodic BoxX size given.\n" );
381 <      painCave.isFatal = 1;
382 <      simError();
383 <    }
384 <    simnfo->box_x = the_globals->getBoxX();
323 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
324 > #else  // isn't MPI
325 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
326 > #endif  //is_mpi
327 >      }
328 >      excludeOffset += molInfo.nBends;
329  
330 <    if( !the_globals->haveBoxY() ){
331 <      sprintf( painCave.errMsg,
332 <               "SimSetup error, no periodic BoxY size given.\n" );
333 <      painCave.isFatal = 1;
334 <      simError();
335 <    }
392 <    simnfo->box_y = the_globals->getBoxY();
330 >      for (j = 0; j < molInfo.nTorsions; j++){
331 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
332 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
333 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
334 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
335 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
336  
337 <    if( !the_globals->haveBoxZ() ){
338 <      sprintf( painCave.errMsg,
339 <               "SimSetup error, no periodic BoxZ size given.\n" );
340 <      painCave.isFatal = 1;
341 <      simError();
337 >        exI = theTorsions[j].a;
338 >        exJ = theTorsions[j].d;
339 >
340 >        // exclude_I must always be the smaller of the pair
341 >        if (exI > exJ){
342 >          tempEx = exI;
343 >          exI = exJ;
344 >          exJ = tempEx;
345 >        }
346 > #ifdef IS_MPI
347 >        tempEx = exI;
348 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
349 >        tempEx = exJ;
350 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
351 >
352 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
353 > #else  // isn't MPI
354 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
355 > #endif  //is_mpi
356 >      }
357 >      excludeOffset += molInfo.nTorsions;
358 >
359 >
360 >      // send the arrays off to the forceField for init.
361 >
362 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
363 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
364 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
365 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
366 >                                 theTorsions);
367 >
368 >
369 >      info[k].molecules[i].initialize(molInfo);
370 >
371 >
372 >      atomOffset += molInfo.nAtoms;
373 >      delete[] theBonds;
374 >      delete[] theBends;
375 >      delete[] theTorsions;
376      }
400    simnfo->box_z = the_globals->getBoxZ();
377    }
378  
379   #ifdef IS_MPI
380 <  strcpy( checkPointMsg, "Box size set up" );
380 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
381    MPIcheckPoint();
382   #endif // is_mpi
383  
384 +  // clean up the forcefield
385  
386 <  // initialize the arrays
386 >  the_ff->calcRcut();
387 >  the_ff->cleanMe();
388 > }
389  
390 <  the_ff->setSimInfo( simnfo );
390 > void SimSetup::initFromBass(void){
391 >  int i, j, k;
392 >  int n_cells;
393 >  double cellx, celly, cellz;
394 >  double temp1, temp2, temp3;
395 >  int n_per_extra;
396 >  int n_extra;
397 >  int have_extra, done;
398  
399 <  makeMolecules();
400 <  simnfo->identArray = new int[simnfo->n_atoms];
401 <  for(i=0; i<simnfo->n_atoms; i++){
402 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
417 <  }
418 <  
419 <  if (the_globals->getUseRF() ) {
420 <    simnfo->useReactionField = 1;
421 <  
422 <    if( !the_globals->haveECR() ){
423 <      sprintf( painCave.errMsg,
424 <               "SimSetup Warning: using default value of 1/2 the smallest "
425 <               "box length for the electrostaticCutoffRadius.\n"
426 <               "I hope you have a very fast processor!\n");
427 <      painCave.isFatal = 0;
428 <      simError();
429 <      double smallest;
430 <      smallest = simnfo->box_x;
431 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
432 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
433 <      simnfo->ecr = 0.5 * smallest;
434 <    } else {
435 <      simnfo->ecr        = the_globals->getECR();
436 <    }
399 >  double vel[3];
400 >  vel[0] = 0.0;
401 >  vel[1] = 0.0;
402 >  vel[2] = 0.0;
403  
404 <    if( !the_globals->haveEST() ){
405 <      sprintf( painCave.errMsg,
406 <               "SimSetup Warning: using default value of 0.05 * the "
407 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
408 <               );
409 <      painCave.isFatal = 0;
410 <      simError();
411 <      simnfo->est = 0.05 * simnfo->ecr;
412 <    } else {
413 <      simnfo->est        = the_globals->getEST();
414 <    }
415 <    
416 <    if(!the_globals->haveDielectric() ){
417 <      sprintf( painCave.errMsg,
418 <               "SimSetup Error: You are trying to use Reaction Field without"
419 <               "setting a dielectric constant!\n"
420 <               );
404 >  temp1 = (double) tot_nmol / 4.0;
405 >  temp2 = pow(temp1, (1.0 / 3.0));
406 >  temp3 = ceil(temp2);
407 >
408 >  have_extra = 0;
409 >  if (temp2 < temp3){
410 >    // we have a non-complete lattice
411 >    have_extra = 1;
412 >
413 >    n_cells = (int) temp3 - 1;
414 >    cellx = info[0].boxL[0] / temp3;
415 >    celly = info[0].boxL[1] / temp3;
416 >    cellz = info[0].boxL[2] / temp3;
417 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
418 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
419 >    n_per_extra = (int) ceil(temp1);
420 >
421 >    if (n_per_extra > 4){
422 >      sprintf(painCave.errMsg,
423 >              "SimSetup error. There has been an error in constructing"
424 >              " the non-complete lattice.\n");
425        painCave.isFatal = 1;
426        simError();
427      }
428 <    simnfo->dielectric = the_globals->getDielectric();  
429 <  } else {
430 <    if (simnfo->n_dipoles) {
431 <      
432 <      if( !the_globals->haveECR() ){
433 <        sprintf( painCave.errMsg,
434 <                 "SimSetup Warning: using default value of 1/2 the smallest"
435 <                 "box length for the electrostaticCutoffRadius.\n"
436 <                 "I hope you have a very fast processor!\n");
437 <        painCave.isFatal = 0;
438 <        simError();
439 <        double smallest;
440 <        smallest = simnfo->box_x;
441 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
442 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
443 <        simnfo->ecr = 0.5 * smallest;
444 <      } else {
445 <        simnfo->ecr        = the_globals->getECR();
428 >  }
429 >  else{
430 >    n_cells = (int) temp3;
431 >    cellx = info[0].boxL[0] / temp3;
432 >    celly = info[0].boxL[1] / temp3;
433 >    cellz = info[0].boxL[2] / temp3;
434 >  }
435 >
436 >  current_mol = 0;
437 >  current_comp_mol = 0;
438 >  current_comp = 0;
439 >  current_atom_ndx = 0;
440 >
441 >  for (i = 0; i < n_cells ; i++){
442 >    for (j = 0; j < n_cells; j++){
443 >      for (k = 0; k < n_cells; k++){
444 >        makeElement(i * cellx, j * celly, k * cellz);
445 >
446 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
447 >
448 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
449 >
450 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
451        }
477      
478      if( !the_globals->haveEST() ){
479        sprintf( painCave.errMsg,
480                 "SimSetup Warning: using default value of 5% of the"
481                 "electrostaticCutoffRadius for the "
482                 "electrostaticSkinThickness\n"
483                 );
484        painCave.isFatal = 0;
485        simError();
486        simnfo->est = 0.05 * simnfo->ecr;
487      } else {
488        simnfo->est        = the_globals->getEST();
489      }
452      }
453 <  }  
453 >  }
454  
455 < #ifdef IS_MPI
456 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
495 <  MPIcheckPoint();
496 < #endif // is_mpi
455 >  if (have_extra){
456 >    done = 0;
457  
458 < if( the_globals->haveInitialConfig() ){
459 <
460 <     InitializeFromFile* fileInit;
461 < #ifdef IS_MPI // is_mpi
462 <     if( worldRank == 0 ){
463 < #endif //is_mpi
464 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
465 < #ifdef IS_MPI
466 <     }else fileInit = new InitializeFromFile( NULL );
467 < #endif
468 <   fileInit->read_xyz( simnfo ); // default velocities on
458 >    int start_ndx;
459 >    for (i = 0; i < (n_cells + 1) && !done; i++){
460 >      for (j = 0; j < (n_cells + 1) && !done; j++){
461 >        if (i < n_cells){
462 >          if (j < n_cells){
463 >            start_ndx = n_cells;
464 >          }
465 >          else
466 >            start_ndx = 0;
467 >        }
468 >        else
469 >          start_ndx = 0;
470  
471 <   delete fileInit;
472 < }
473 < else{
471 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
472 >          makeElement(i * cellx, j * celly, k * cellz);
473 >          done = (current_mol >= tot_nmol);
474  
475 < #ifdef IS_MPI
475 >          if (!done && n_per_extra > 1){
476 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
477 >                        k * cellz);
478 >            done = (current_mol >= tot_nmol);
479 >          }
480  
481 <  // no init from bass
482 <  
483 <  sprintf( painCave.errMsg,
484 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
485 <  painCave.isFatal;
521 <  simError();
522 <  
523 < #else
481 >          if (!done && n_per_extra > 2){
482 >            makeElement(i * cellx, j * celly + 0.5 * celly,
483 >                        k * cellz + 0.5 * cellz);
484 >            done = (current_mol >= tot_nmol);
485 >          }
486  
487 <  initFromBass();
487 >          if (!done && n_per_extra > 3){
488 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
489 >                        k * cellz + 0.5 * cellz);
490 >            done = (current_mol >= tot_nmol);
491 >          }
492 >        }
493 >      }
494 >    }
495 >  }
496  
497 +  for (i = 0; i < info[0].n_atoms; i++){
498 +    info[0].atoms[i]->setVel(vel);
499 +  }
500 + }
501  
502 < #endif
503 < }
502 > void SimSetup::makeElement(double x, double y, double z){
503 >  int k;
504 >  AtomStamp* current_atom;
505 >  DirectionalAtom* dAtom;
506 >  double rotMat[3][3];
507 >  double pos[3];
508  
509 < #ifdef IS_MPI
510 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
511 <  MPIcheckPoint();
512 < #endif // is_mpi
509 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
510 >    current_atom = comp_stamps[current_comp]->getAtom(k);
511 >    if (!current_atom->havePosition()){
512 >      sprintf(painCave.errMsg,
513 >              "SimSetup:initFromBass error.\n"
514 >              "\tComponent %s, atom %s does not have a position specified.\n"
515 >              "\tThe initialization routine is unable to give a start"
516 >              " position.\n",
517 >              comp_stamps[current_comp]->getID(), current_atom->getType());
518 >      painCave.isFatal = 1;
519 >      simError();
520 >    }
521  
522 +    pos[0] = x + current_atom->getPosX();
523 +    pos[1] = y + current_atom->getPosY();
524 +    pos[2] = z + current_atom->getPosZ();
525  
526 <  
538 <
539 <  
526 >    info[0].atoms[current_atom_ndx]->setPos(pos);
527  
528 <  
529 < #ifdef IS_MPI
543 <  if( worldRank == 0 ){
544 < #endif // is_mpi
545 <    
546 <    if( the_globals->haveFinalConfig() ){
547 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
548 <    }
549 <    else{
550 <      strcpy( simnfo->finalName, inFileName );
551 <      char* endTest;
552 <      int nameLength = strlen( simnfo->finalName );
553 <      endTest = &(simnfo->finalName[nameLength - 5]);
554 <      if( !strcmp( endTest, ".bass" ) ){
555 <        strcpy( endTest, ".eor" );
556 <      }
557 <      else if( !strcmp( endTest, ".BASS" ) ){
558 <        strcpy( endTest, ".eor" );
559 <      }
560 <      else{
561 <        endTest = &(simnfo->finalName[nameLength - 4]);
562 <        if( !strcmp( endTest, ".bss" ) ){
563 <          strcpy( endTest, ".eor" );
564 <        }
565 <        else if( !strcmp( endTest, ".mdl" ) ){
566 <          strcpy( endTest, ".eor" );
567 <        }
568 <        else{
569 <          strcat( simnfo->finalName, ".eor" );
570 <        }
571 <      }
572 <    }
573 <    
574 <    // make the sample and status out names
575 <    
576 <    strcpy( simnfo->sampleName, inFileName );
577 <    char* endTest;
578 <    int nameLength = strlen( simnfo->sampleName );
579 <    endTest = &(simnfo->sampleName[nameLength - 5]);
580 <    if( !strcmp( endTest, ".bass" ) ){
581 <      strcpy( endTest, ".dump" );
582 <    }
583 <    else if( !strcmp( endTest, ".BASS" ) ){
584 <      strcpy( endTest, ".dump" );
585 <    }
586 <    else{
587 <      endTest = &(simnfo->sampleName[nameLength - 4]);
588 <      if( !strcmp( endTest, ".bss" ) ){
589 <        strcpy( endTest, ".dump" );
590 <      }
591 <      else if( !strcmp( endTest, ".mdl" ) ){
592 <        strcpy( endTest, ".dump" );
593 <      }
594 <      else{
595 <        strcat( simnfo->sampleName, ".dump" );
596 <      }
597 <    }
598 <    
599 <    strcpy( simnfo->statusName, inFileName );
600 <    nameLength = strlen( simnfo->statusName );
601 <    endTest = &(simnfo->statusName[nameLength - 5]);
602 <    if( !strcmp( endTest, ".bass" ) ){
603 <      strcpy( endTest, ".stat" );
604 <    }
605 <    else if( !strcmp( endTest, ".BASS" ) ){
606 <      strcpy( endTest, ".stat" );
607 <    }
608 <    else{
609 <      endTest = &(simnfo->statusName[nameLength - 4]);
610 <      if( !strcmp( endTest, ".bss" ) ){
611 <        strcpy( endTest, ".stat" );
612 <      }
613 <      else if( !strcmp( endTest, ".mdl" ) ){
614 <        strcpy( endTest, ".stat" );
615 <      }
616 <      else{
617 <        strcat( simnfo->statusName, ".stat" );
618 <      }
619 <    }
620 <    
621 < #ifdef IS_MPI
622 <  }
623 < #endif // is_mpi
624 <  
625 <  // set the status, sample, and themal kick times
626 <  
627 <  if( the_globals->haveSampleTime() ){
628 <    simnfo->sampleTime = the_globals->getSampleTime();
629 <    simnfo->statusTime = simnfo->sampleTime;
630 <    simnfo->thermalTime = simnfo->sampleTime;
631 <  }
632 <  else{
633 <    simnfo->sampleTime = the_globals->getRunTime();
634 <    simnfo->statusTime = simnfo->sampleTime;
635 <    simnfo->thermalTime = simnfo->sampleTime;
636 <  }
528 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
529 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
530  
531 <  if( the_globals->haveStatusTime() ){
532 <    simnfo->statusTime = the_globals->getStatusTime();
533 <  }
531 >      rotMat[0][0] = 1.0;
532 >      rotMat[0][1] = 0.0;
533 >      rotMat[0][2] = 0.0;
534  
535 <  if( the_globals->haveThermalTime() ){
536 <    simnfo->thermalTime = the_globals->getThermalTime();
537 <  }
535 >      rotMat[1][0] = 0.0;
536 >      rotMat[1][1] = 1.0;
537 >      rotMat[1][2] = 0.0;
538  
539 <  // check for the temperature set flag
539 >      rotMat[2][0] = 0.0;
540 >      rotMat[2][1] = 0.0;
541 >      rotMat[2][2] = 1.0;
542  
543 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
543 >      dAtom->setA(rotMat);
544 >    }
545  
546 <
651 < //   // make the longe range forces and the integrator
652 <
653 < //   new AllLong( simnfo );
654 <
655 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
656 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
657 <
658 <
659 <
660 <  // initialize the Fortran
661 <  
662 <  simnfo->refreshSim();
663 <  
664 <  if( !strcmp( simnfo->mixingRule, "standard") ){
665 <    the_ff->initForceField( LB_MIXING_RULE );
546 >    current_atom_ndx++;
547    }
667  else if( !strcmp( simnfo->mixingRule, "explicit") ){
668    the_ff->initForceField( EXPLICIT_MIXING_RULE );
669  }
670  else{
671    sprintf( painCave.errMsg,
672             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
673             simnfo->mixingRule );
674    painCave.isFatal = 1;
675    simError();
676  }
548  
549 +  current_mol++;
550 +  current_comp_mol++;
551  
552 < #ifdef IS_MPI
553 <  strcpy( checkPointMsg,
554 <          "Successfully intialized the mixingRule for Fortran." );
555 <  MPIcheckPoint();
683 < #endif // is_mpi
552 >  if (current_comp_mol >= components_nmol[current_comp]){
553 >    current_comp_mol = 0;
554 >    current_comp++;
555 >  }
556   }
557  
558  
559 < void SimSetup::makeMolecules( void ){
559 > void SimSetup::gatherInfo(void){
560 >  int i;
561  
562 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
563 <  molInit info;
691 <  DirectionalAtom* dAtom;
692 <  LinkedAssign* extras;
693 <  LinkedAssign* current_extra;
694 <  AtomStamp* currentAtom;
695 <  BondStamp* currentBond;
696 <  BendStamp* currentBend;
697 <  TorsionStamp* currentTorsion;
698 <  
699 <  //init the forceField paramters
562 >  ensembleCase = -1;
563 >  ffCase = -1;
564  
565 <  the_ff->readParams();
565 >  // set the easy ones first
566  
567 <  
568 <  // init the molecules
567 >  for (i = 0; i < nInfo; i++){
568 >    info[i].target_temp = globals->getTargetTemp();
569 >    info[i].dt = globals->getDt();
570 >    info[i].run_time = globals->getRunTime();
571 >  }
572 >  n_components = globals->getNComponents();
573  
706  atomOffset = 0;
707  excludeOffset = 0;
708  for(i=0; i<simnfo->n_mol; i++){
709    
710    stampID = the_molecules[i].getStampID();
574  
575 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
713 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
714 <    info.nBends    = comp_stamps[stampID]->getNBends();
715 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
716 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
575 >  // get the forceField
576  
577 <    info.myAtoms = &the_atoms[atomOffset];
719 <    info.myExcludes = &the_excludes[excludeOffset];
720 <    info.myBonds = new Bond*[info.nBonds];
721 <    info.myBends = new Bend*[info.nBends];
722 <    info.myTorsions = new Torsions*[info.nTorsions];
577 >  strcpy(force_field, globals->getForceField());
578  
579 <    theBonds = new bond_pair[info.nBonds];
580 <    theBends = new bend_set[info.nBends];
581 <    theTorsions = new torsion_set[info.nTorsions];
582 <    
583 <    // make the Atoms
584 <    
585 <    for(j=0; j<info.nAtoms; j++){
586 <      
587 <      currentAtom = theComponents[stampID]->getAtom( j );
588 <      if( currentAtom->haveOrientation() ){
589 <        
590 <        dAtom = new DirectionalAtom(j + atomOffset);
591 <        simnfo->n_oriented++;
592 <        info.myAtoms[j] = dAtom;
593 <        
739 <        ux = currentAtom->getOrntX();
740 <        uy = currentAtom->getOrntY();
741 <        uz = currentAtom->getOrntZ();
742 <        
743 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
744 <        
745 <        u = sqrt( uSqr );
746 <        ux = ux / u;
747 <        uy = uy / u;
748 <        uz = uz / u;
749 <        
750 <        dAtom->setSUx( ux );
751 <        dAtom->setSUy( uy );
752 <        dAtom->setSUz( uz );
753 <      }
754 <      else{
755 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
756 <      }
757 <      info.myAtoms[j]->setType( currentAtom->getType() );
758 <    
759 < #ifdef IS_MPI
760 <      
761 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
762 <      
763 < #endif // is_mpi
764 <    }
765 <    
766 <    // make the bonds
767 <    for(j=0; j<info.nBonds; j++){
768 <      
769 <      currentBond = comp_stamps[stampID]->getBond( j );
770 <      theBonds[j].a = currentBond->getA() + atomOffset;
771 <      theBonds[j].b = currentBond->getB() + atomOffset;
579 >  if (!strcasecmp(force_field, "DUFF")){
580 >    ffCase = FF_DUFF;
581 >  }
582 >  else if (!strcasecmp(force_field, "LJ")){
583 >    ffCase = FF_LJ;
584 >  }
585 >  else if (!strcasecmp(force_field, "EAM")){
586 >    ffCase = FF_EAM;
587 >  }
588 >  else{
589 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
590 >            force_field);
591 >         painCave.isFatal = 1;
592 >         simError();
593 >  }
594  
595 <      exI = theBonds[i].a;
774 <      exJ = theBonds[i].b;
595 >    // get the ensemble
596  
597 <      // exclude_I must always be the smaller of the pair
777 <      if( exI > exJ ){
778 <        tempEx = exI;
779 <        exI = exJ;
780 <        exJ = tempEx;
781 <      }
782 < #ifdef IS_MPI
783 <      tempEx = exI;
784 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
785 <      tempEx = exJ;
786 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
787 <      
788 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
789 < #else  // isn't MPI
790 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
791 < #endif  //is_mpi
792 <    }
793 <    excludeOffset += info.nBonds;
597 >  strcpy(ensemble, globals->getEnsemble());
598  
599 <    //make the bends
600 <    for(j=0; j<info.nBends; j++){
601 <      
602 <      currentBend = comp_stamps[stampID]->getBend( j );
603 <      theBends[j].a = currentBend->getA() + atomOffset;
604 <      theBends[j].b = currentBend->getB() + atomOffset;
605 <      theBends[j].c = currentBend->getC() + atomOffset;
606 <          
607 <      if( currentBend->haveExtras() ){
608 <            
609 <        extras = current_bend->getExtras();
610 <        current_extra = extras;
611 <            
612 <        while( current_extra != NULL ){
613 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
614 <                
615 <            switch( current_extra->getType() ){
616 <              
617 <            case 0:
618 <              theBends[j].ghost =
619 <                current_extra->getInt() + atomOffset;
620 <              theBends[j].isGhost = 1;
621 <              break;
622 <                  
623 <            case 1:
820 <              theBends[j].ghost =
821 <                (int)current_extra->getDouble() + atomOffset;
822 <              theBends[j].isGhost = 1;
823 <              break;
824 <              
825 <            default:
826 <              sprintf( painCave.errMsg,
827 <                       "SimSetup Error: ghostVectorSource was neiter a "
828 <                       "double nor an int.\n"
829 <                       "-->Bend[%d] in %s\n",
830 <                       j, comp_stamps[stampID]->getID() );
831 <              painCave.isFatal = 1;
832 <              simError();
833 <            }
834 <          }
835 <          
836 <          else{
837 <            
838 <            sprintf( painCave.errMsg,
839 <                     "SimSetup Error: unhandled bend assignment:\n"
840 <                     "    -->%s in Bend[%d] in %s\n",
841 <                     current_extra->getlhs(),
842 <                     j, comp_stamps[stampID]->getID() );
843 <            painCave.isFatal = 1;
844 <            simError();
845 <          }
846 <          
847 <          current_extra = current_extra->getNext();
848 <        }
849 <      }
850 <          
851 <      if( !theBends[j].isGhost ){
852 <            
853 <        exI = theBends[j].a;
854 <        exJ = theBends[j].c;
855 <      }
856 <      else{
857 <        
858 <        exI = theBends[j].a;
859 <        exJ = theBends[j].b;
860 <      }
861 <      
862 <      // exclude_I must always be the smaller of the pair
863 <      if( exI > exJ ){
864 <        tempEx = exI;
865 <        exI = exJ;
866 <        exJ = tempEx;
867 <      }
868 < #ifdef IS_MPI
869 <      tempEx = exI;
870 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
871 <      tempEx = exJ;
872 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
873 <      
874 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
875 < #else  // isn't MPI
876 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
877 < #endif  //is_mpi
878 <    }
879 <    excludeOffset += info.nBends;
599 >  if (!strcasecmp(ensemble, "NVE")){
600 >    ensembleCase = NVE_ENS;
601 >  }
602 >  else if (!strcasecmp(ensemble, "NVT")){
603 >    ensembleCase = NVT_ENS;
604 >  }
605 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
606 >    ensembleCase = NPTi_ENS;
607 >  }
608 >  else if (!strcasecmp(ensemble, "NPTf")){
609 >    ensembleCase = NPTf_ENS;
610 >  }
611 >  else if (!strcasecmp(ensemble, "NPTxyz")){
612 >    ensembleCase = NPTxyz_ENS;
613 >  }
614 >  else{
615 >    sprintf(painCave.errMsg,
616 >            "SimSetup Warning. Unrecognized Ensemble -> %s, "
617 >            "reverting to NVE for this simulation.\n",
618 >            ensemble);
619 >         painCave.isFatal = 0;
620 >         simError();
621 >         strcpy(ensemble, "NVE");
622 >         ensembleCase = NVE_ENS;
623 >  }  
624  
625 <    for(j=0; j<info.nTorsions; j++){
626 <      
883 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
884 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
885 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
886 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
887 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
888 <      
889 <      exI = theTorsions[j].a;
890 <      exJ = theTorsions[j].d;
625 >  for (i = 0; i < nInfo; i++){
626 >    strcpy(info[i].ensemble, ensemble);
627  
628 <      // exclude_I must always be the smaller of the pair
893 <      if( exI > exJ ){
894 <        tempEx = exI;
895 <        exI = exJ;
896 <        exJ = tempEx;
897 <      }
898 < #ifdef IS_MPI
899 <      tempEx = exI;
900 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
901 <      tempEx = exJ;
902 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
903 <      
904 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
905 < #else  // isn't MPI
906 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
907 < #endif  //is_mpi
908 <    }
909 <    excludeOffset += info.nTorsions;
628 >    // get the mixing rule
629  
630 <    
631 <    // send the arrays off to the forceField for init.
913 <
914 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
915 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
916 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
917 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
918 <
919 <
920 <    the_molecules[i].initialize( info );
921 <    atomOffset += info.nAtoms;
630 >    strcpy(info[i].mixingRule, globals->getMixingRule());
631 >    info[i].usePBC = globals->getPBC();
632    }
633  
634 <  // clean up the forcefield
925 <  the_ff->calcRcut();
926 <  the_ff->cleanMe();
927 < }
634 >  // get the components and calculate the tot_nMol and indvidual n_mol
635  
636 < void SimSetup::initFromBass( void ){
636 >  the_components = globals->getComponents();
637 >  components_nmol = new int[n_components];
638  
931  int i, j, k;
932  int n_cells;
933  double cellx, celly, cellz;
934  double temp1, temp2, temp3;
935  int n_per_extra;
936  int n_extra;
937  int have_extra, done;
639  
640 <  temp1 = (double)tot_nmol / 4.0;
641 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
642 <  temp3 = ceil( temp2 );
640 >  if (!globals->haveNMol()){
641 >    // we don't have the total number of molecules, so we assume it is
642 >    // given in each component
643  
644 <  have_extra =0;
645 <  if( temp2 < temp3 ){ // we have a non-complete lattice
646 <    have_extra =1;
644 >    tot_nmol = 0;
645 >    for (i = 0; i < n_components; i++){
646 >      if (!the_components[i]->haveNMol()){
647 >        // we have a problem
648 >        sprintf(painCave.errMsg,
649 >                "SimSetup Error. No global NMol or component NMol"
650 >                " given. Cannot calculate the number of atoms.\n");
651 >        painCave.isFatal = 1;
652 >        simError();
653 >      }
654  
655 <    n_cells = (int)temp3 - 1;
656 <    cellx = simnfo->box_x / temp3;
949 <    celly = simnfo->box_y / temp3;
950 <    cellz = simnfo->box_z / temp3;
951 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
952 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
953 <    n_per_extra = (int)ceil( temp1 );
954 <
955 <    if( n_per_extra > 4){
956 <      sprintf( painCave.errMsg,
957 <               "SimSetup error. There has been an error in constructing"
958 <               " the non-complete lattice.\n" );
959 <      painCave.isFatal = 1;
960 <      simError();
655 >      tot_nmol += the_components[i]->getNMol();
656 >      components_nmol[i] = the_components[i]->getNMol();
657      }
658    }
659    else{
660 <    n_cells = (int)temp3;
661 <    cellx = simnfo->box_x / temp3;
662 <    celly = simnfo->box_y / temp3;
663 <    cellz = simnfo->box_z / temp3;
660 >    sprintf(painCave.errMsg,
661 >            "SimSetup error.\n"
662 >            "\tSorry, the ability to specify total"
663 >            " nMols and then give molfractions in the components\n"
664 >            "\tis not currently supported."
665 >            " Please give nMol in the components.\n");
666 >    painCave.isFatal = 1;
667 >    simError();
668    }
669  
670 <  current_mol = 0;
971 <  current_comp_mol = 0;
972 <  current_comp = 0;
973 <  current_atom_ndx = 0;
670 >  // set the status, sample, and thermal kick times
671  
672 <  for( i=0; i < n_cells ; i++ ){
673 <    for( j=0; j < n_cells; j++ ){
674 <      for( k=0; k < n_cells; k++ ){
672 >  for (i = 0; i < nInfo; i++){
673 >    if (globals->haveSampleTime()){
674 >      info[i].sampleTime = globals->getSampleTime();
675 >      info[i].statusTime = info[i].sampleTime;
676 >      info[i].thermalTime = info[i].sampleTime;
677 >    }
678 >    else{
679 >      info[i].sampleTime = globals->getRunTime();
680 >      info[i].statusTime = info[i].sampleTime;
681 >      info[i].thermalTime = info[i].sampleTime;
682 >    }
683  
684 <        makeElement( i * cellx,
685 <                     j * celly,
686 <                     k * cellz );
684 >    if (globals->haveStatusTime()){
685 >      info[i].statusTime = globals->getStatusTime();
686 >    }
687  
688 <        makeElement( i * cellx + 0.5 * cellx,
689 <                     j * celly + 0.5 * celly,
690 <                     k * cellz );
688 >    if (globals->haveThermalTime()){
689 >      info[i].thermalTime = globals->getThermalTime();
690 >    }
691  
692 <        makeElement( i * cellx,
693 <                     j * celly + 0.5 * celly,
694 <                     k * cellz + 0.5 * cellz );
695 <
991 <        makeElement( i * cellx + 0.5 * cellx,
992 <                     j * celly,
993 <                     k * cellz + 0.5 * cellz );
994 <      }
692 >    info[i].resetIntegrator = 0;
693 >    if( globals->haveResetTime() ){
694 >      info[i].resetTime = globals->getResetTime();
695 >      info[i].resetIntegrator = 1;
696      }
697 +
698 +    // check for the temperature set flag
699 +    
700 +    if (globals->haveTempSet())
701 +      info[i].setTemp = globals->getTempSet();
702 +    
703    }
704 +  
705 +  //setup seed for random number generator
706 +  int seedValue;
707  
708 <  if( have_extra ){
709 <    done = 0;
708 >  if (globals->haveSeed()){
709 >    seedValue = globals->getSeed();
710  
711 <    int start_ndx;
712 <    for( i=0; i < (n_cells+1) && !done; i++ ){
713 <      for( j=0; j < (n_cells+1) && !done; j++ ){
711 >    if(seedValue / 1E9 == 0){
712 >      sprintf(painCave.errMsg,
713 >              "Seed for sprng library should contain at least 9 digits\n"
714 >              "OOPSE will generate a seed for user\n");
715 >      painCave.isFatal = 0;
716 >      simError();
717  
718 <        if( i < n_cells ){
719 <
720 <          if( j < n_cells ){
721 <            start_ndx = n_cells;
722 <          }
723 <          else start_ndx = 0;
724 <        }
725 <        else start_ndx = 0;
726 <
727 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
718 >      //using seed generated by system instead of invalid seed set by user
719 > #ifndef IS_MPI
720 >      seedValue = make_sprng_seed();
721 > #else
722 >      if (worldRank == 0){
723 >        seedValue = make_sprng_seed();
724 >      }
725 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
726 > #endif      
727 >    }
728 >  }//end of if branch of globals->haveSeed()
729 >  else{
730 >    
731 > #ifndef IS_MPI
732 >    seedValue = make_sprng_seed();
733 > #else
734 >    if (worldRank == 0){
735 >      seedValue = make_sprng_seed();
736 >    }
737 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
738 > #endif
739 >  }//end of globals->haveSeed()
740  
741 <          makeElement( i * cellx,
742 <                       j * celly,
743 <                       k * cellz );
1019 <          done = ( current_mol >= tot_nmol );
741 >  for (int i = 0; i < nInfo; i++){
742 >    info[i].setSeed(seedValue);
743 >  }
744  
745 <          if( !done && n_per_extra > 1 ){
746 <            makeElement( i * cellx + 0.5 * cellx,
747 <                         j * celly + 0.5 * celly,
748 <                         k * cellz );
749 <            done = ( current_mol >= tot_nmol );
1026 <          }
745 > #ifdef IS_MPI
746 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
747 >  MPIcheckPoint();
748 > #endif // is_mpi
749 > }
750  
1028          if( !done && n_per_extra > 2){
1029            makeElement( i * cellx,
1030                         j * celly + 0.5 * celly,
1031                         k * cellz + 0.5 * cellz );
1032            done = ( current_mol >= tot_nmol );
1033          }
751  
752 <          if( !done && n_per_extra > 3){
753 <            makeElement( i * cellx + 0.5 * cellx,
754 <                         j * celly,
755 <                         k * cellz + 0.5 * cellz );
756 <            done = ( current_mol >= tot_nmol );
757 <          }
758 <        }
752 > void SimSetup::finalInfoCheck(void){
753 >  int index;
754 >  int usesDipoles;
755 >  int i;
756 >
757 >  for (i = 0; i < nInfo; i++){
758 >    // check electrostatic parameters
759 >
760 >    index = 0;
761 >    usesDipoles = 0;
762 >    while ((index < info[i].n_atoms) && !usesDipoles){
763 >      usesDipoles = (info[i].atoms[index])->hasDipole();
764 >      index++;
765 >    }
766 >
767 > #ifdef IS_MPI
768 >    int myUse = usesDipoles;
769 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
770 > #endif //is_mpi
771 >
772 >    double theEcr, theEst;
773 >
774 >    if (globals->getUseRF()){
775 >      info[i].useReactionField = 1;
776 >
777 >      if (!globals->haveECR()){
778 >        sprintf(painCave.errMsg,
779 >                "SimSetup Warning: using default value of 1/2 the smallest "
780 >                "box length for the electrostaticCutoffRadius.\n"
781 >                "I hope you have a very fast processor!\n");
782 >        painCave.isFatal = 0;
783 >        simError();
784 >        double smallest;
785 >        smallest = info[i].boxL[0];
786 >        if (info[i].boxL[1] <= smallest)
787 >          smallest = info[i].boxL[1];
788 >        if (info[i].boxL[2] <= smallest)
789 >          smallest = info[i].boxL[2];
790 >        theEcr = 0.5 * smallest;
791 >      }
792 >      else{
793 >        theEcr = globals->getECR();
794 >      }
795 >
796 >      if (!globals->haveEST()){
797 >        sprintf(painCave.errMsg,
798 >                "SimSetup Warning: using default value of 0.05 * the "
799 >                "electrostaticCutoffRadius for the electrostaticSkinThickness\n");
800 >        painCave.isFatal = 0;
801 >        simError();
802 >        theEst = 0.05 * theEcr;
803 >      }
804 >      else{
805 >        theEst = globals->getEST();
806 >      }
807 >
808 >      info[i].setDefaultEcr(theEcr, theEst);
809 >
810 >      if (!globals->haveDielectric()){
811 >        sprintf(painCave.errMsg,
812 >                "SimSetup Error: You are trying to use Reaction Field without"
813 >                "setting a dielectric constant!\n");
814 >        painCave.isFatal = 1;
815 >        simError();
816 >      }
817 >      info[i].dielectric = globals->getDielectric();
818 >    }
819 >    else{
820 >      if (usesDipoles){
821 >        if (!globals->haveECR()){
822 >          sprintf(painCave.errMsg,
823 >                  "SimSetup Warning: using default value of 1/2 the smallest "
824 >                  "box length for the electrostaticCutoffRadius.\n"
825 >                  "I hope you have a very fast processor!\n");
826 >          painCave.isFatal = 0;
827 >          simError();
828 >          double smallest;
829 >          smallest = info[i].boxL[0];
830 >          if (info[i].boxL[1] <= smallest)
831 >            smallest = info[i].boxL[1];
832 >          if (info[i].boxL[2] <= smallest)
833 >            smallest = info[i].boxL[2];
834 >          theEcr = 0.5 * smallest;
835 >        }
836 >        else{
837 >          theEcr = globals->getECR();
838 >        }
839 >
840 >        if (!globals->haveEST()){
841 >          sprintf(painCave.errMsg,
842 >                  "SimSetup Warning: using default value of 0.05 * the "
843 >                  "electrostaticCutoffRadius for the "
844 >                  "electrostaticSkinThickness\n");
845 >          painCave.isFatal = 0;
846 >          simError();
847 >          theEst = 0.05 * theEcr;
848 >        }
849 >        else{
850 >          theEst = globals->getEST();
851 >        }
852 >
853 >        info[i].setDefaultEcr(theEcr, theEst);
854 >      }
855 >    }
856 >    info[i].checkCutOffs();
857 >  }
858 >
859 > #ifdef IS_MPI
860 >  strcpy(checkPointMsg, "post processing checks out");
861 >  MPIcheckPoint();
862 > #endif // is_mpi
863 > }
864 >
865 > void SimSetup::initSystemCoords(void){
866 >  int i;
867 >
868 >  char* inName;
869 >
870 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
871 >
872 >  for (i = 0; i < info[0].n_atoms; i++)
873 >    info[0].atoms[i]->setCoords();
874 >
875 >  if (globals->haveInitialConfig()){
876 >    InitializeFromFile* fileInit;
877 > #ifdef IS_MPI // is_mpi
878 >    if (worldRank == 0){
879 > #endif //is_mpi
880 >      inName = globals->getInitialConfig();
881 >      fileInit = new InitializeFromFile(inName);
882 > #ifdef IS_MPI
883 >    }
884 >    else
885 >      fileInit = new InitializeFromFile(NULL);
886 > #endif
887 >    fileInit->readInit(info); // default velocities on
888 >
889 >    delete fileInit;
890 >  }
891 >  else{
892 > #ifdef IS_MPI
893 >
894 >    // no init from bass
895 >
896 >    sprintf(painCave.errMsg,
897 >            "Cannot intialize a parallel simulation without an initial configuration file.\n");
898 >    painCave.isFatal = 1;;
899 >    simError();
900 >
901 > #else
902 >
903 >    initFromBass();
904 >
905 >
906 > #endif
907 >  }
908 >
909 > #ifdef IS_MPI
910 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
911 >  MPIcheckPoint();
912 > #endif // is_mpi
913 > }
914 >
915 >
916 > void SimSetup::makeOutNames(void){
917 >  int k;
918 >
919 >
920 >  for (k = 0; k < nInfo; k++){
921 > #ifdef IS_MPI
922 >    if (worldRank == 0){
923 > #endif // is_mpi
924 >
925 >      if (globals->haveFinalConfig()){
926 >        strcpy(info[k].finalName, globals->getFinalConfig());
927 >      }
928 >      else{
929 >        strcpy(info[k].finalName, inFileName);
930 >        char* endTest;
931 >        int nameLength = strlen(info[k].finalName);
932 >        endTest = &(info[k].finalName[nameLength - 5]);
933 >        if (!strcmp(endTest, ".bass")){
934 >          strcpy(endTest, ".eor");
935 >        }
936 >        else if (!strcmp(endTest, ".BASS")){
937 >          strcpy(endTest, ".eor");
938 >        }
939 >        else{
940 >          endTest = &(info[k].finalName[nameLength - 4]);
941 >          if (!strcmp(endTest, ".bss")){
942 >            strcpy(endTest, ".eor");
943 >          }
944 >          else if (!strcmp(endTest, ".mdl")){
945 >            strcpy(endTest, ".eor");
946 >          }
947 >          else{
948 >            strcat(info[k].finalName, ".eor");
949 >          }
950 >        }
951 >      }
952 >
953 >      // make the sample and status out names
954 >
955 >      strcpy(info[k].sampleName, inFileName);
956 >      char* endTest;
957 >      int nameLength = strlen(info[k].sampleName);
958 >      endTest = &(info[k].sampleName[nameLength - 5]);
959 >      if (!strcmp(endTest, ".bass")){
960 >        strcpy(endTest, ".dump");
961 >      }
962 >      else if (!strcmp(endTest, ".BASS")){
963 >        strcpy(endTest, ".dump");
964 >      }
965 >      else{
966 >        endTest = &(info[k].sampleName[nameLength - 4]);
967 >        if (!strcmp(endTest, ".bss")){
968 >          strcpy(endTest, ".dump");
969 >        }
970 >        else if (!strcmp(endTest, ".mdl")){
971 >          strcpy(endTest, ".dump");
972 >        }
973 >        else{
974 >          strcat(info[k].sampleName, ".dump");
975 >        }
976 >      }
977 >
978 >      strcpy(info[k].statusName, inFileName);
979 >      nameLength = strlen(info[k].statusName);
980 >      endTest = &(info[k].statusName[nameLength - 5]);
981 >      if (!strcmp(endTest, ".bass")){
982 >        strcpy(endTest, ".stat");
983 >      }
984 >      else if (!strcmp(endTest, ".BASS")){
985 >        strcpy(endTest, ".stat");
986 >      }
987 >      else{
988 >        endTest = &(info[k].statusName[nameLength - 4]);
989 >        if (!strcmp(endTest, ".bss")){
990 >          strcpy(endTest, ".stat");
991 >        }
992 >        else if (!strcmp(endTest, ".mdl")){
993 >          strcpy(endTest, ".stat");
994 >        }
995 >        else{
996 >          strcat(info[k].statusName, ".stat");
997 >        }
998 >      }
999 >
1000 > #ifdef IS_MPI
1001 >
1002 >    }
1003 > #endif // is_mpi
1004 >  }
1005 > }
1006 >
1007 >
1008 > void SimSetup::sysObjectsCreation(void){
1009 >  int i, k;
1010 >
1011 >  // create the forceField
1012 >
1013 >  createFF();
1014 >
1015 >  // extract componentList
1016 >
1017 >  compList();
1018 >
1019 >  // calc the number of atoms, bond, bends, and torsions
1020 >
1021 >  calcSysValues();
1022 >
1023 > #ifdef IS_MPI
1024 >  // divide the molecules among the processors
1025 >
1026 >  mpiMolDivide();
1027 > #endif //is_mpi
1028 >
1029 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1030 >
1031 >  makeSysArrays();
1032 >
1033 >  // make and initialize the molecules (all but atomic coordinates)
1034 >
1035 >  makeMolecules();
1036 >
1037 >  for (k = 0; k < nInfo; k++){
1038 >    info[k].identArray = new int[info[k].n_atoms];
1039 >    for (i = 0; i < info[k].n_atoms; i++){
1040 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1041 >    }
1042 >  }
1043 > }
1044 >
1045 >
1046 > void SimSetup::createFF(void){
1047 >  switch (ffCase){
1048 >    case FF_DUFF:
1049 >      the_ff = new DUFF();
1050 >      break;
1051 >
1052 >    case FF_LJ:
1053 >      the_ff = new LJFF();
1054 >      break;
1055 >
1056 >    case FF_EAM:
1057 >      the_ff = new EAM_FF();
1058 >      break;
1059 >
1060 >    default:
1061 >      sprintf(painCave.errMsg,
1062 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1063 >      painCave.isFatal = 1;
1064 >      simError();
1065 >  }
1066 >
1067 > #ifdef IS_MPI
1068 >  strcpy(checkPointMsg, "ForceField creation successful");
1069 >  MPIcheckPoint();
1070 > #endif // is_mpi
1071 > }
1072 >
1073 >
1074 > void SimSetup::compList(void){
1075 >  int i;
1076 >  char* id;
1077 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1078 >  LinkedMolStamp* currentStamp = NULL;
1079 >  comp_stamps = new MoleculeStamp * [n_components];
1080 >
1081 >  // make an array of molecule stamps that match the components used.
1082 >  // also extract the used stamps out into a separate linked list
1083 >
1084 >  for (i = 0; i < nInfo; i++){
1085 >    info[i].nComponents = n_components;
1086 >    info[i].componentsNmol = components_nmol;
1087 >    info[i].compStamps = comp_stamps;
1088 >    info[i].headStamp = headStamp;
1089 >  }
1090 >
1091 >
1092 >  for (i = 0; i < n_components; i++){
1093 >    id = the_components[i]->getType();
1094 >    comp_stamps[i] = NULL;
1095 >
1096 >    // check to make sure the component isn't already in the list
1097 >
1098 >    comp_stamps[i] = headStamp->match(id);
1099 >    if (comp_stamps[i] == NULL){
1100 >      // extract the component from the list;
1101 >
1102 >      currentStamp = stamps->extractMolStamp(id);
1103 >      if (currentStamp == NULL){
1104 >        sprintf(painCave.errMsg,
1105 >                "SimSetup error: Component \"%s\" was not found in the "
1106 >                "list of declared molecules\n",
1107 >                id);
1108 >        painCave.isFatal = 1;
1109 >        simError();
1110        }
1111 +
1112 +      headStamp->add(currentStamp);
1113 +      comp_stamps[i] = headStamp->match(id);
1114      }
1115    }
1116  
1117 + #ifdef IS_MPI
1118 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1119 +  MPIcheckPoint();
1120 + #endif // is_mpi
1121 + }
1122  
1123 <  for( i=0; i<simnfo->n_atoms; i++ ){
1124 <    simnfo->atoms[i]->set_vx( 0.0 );
1125 <    simnfo->atoms[i]->set_vy( 0.0 );
1126 <    simnfo->atoms[i]->set_vz( 0.0 );
1123 > void SimSetup::calcSysValues(void){
1124 >  int i;
1125 >
1126 >  int* molMembershipArray;
1127 >
1128 >  tot_atoms = 0;
1129 >  tot_bonds = 0;
1130 >  tot_bends = 0;
1131 >  tot_torsions = 0;
1132 >  for (i = 0; i < n_components; i++){
1133 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1134 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1135 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1136 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1137    }
1138 +
1139 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1140 +  molMembershipArray = new int[tot_atoms];
1141 +
1142 +  for (i = 0; i < nInfo; i++){
1143 +    info[i].n_atoms = tot_atoms;
1144 +    info[i].n_bonds = tot_bonds;
1145 +    info[i].n_bends = tot_bends;
1146 +    info[i].n_torsions = tot_torsions;
1147 +    info[i].n_SRI = tot_SRI;
1148 +    info[i].n_mol = tot_nmol;
1149 +
1150 +    info[i].molMembershipArray = molMembershipArray;
1151 +  }
1152   }
1153  
1154 < void SimSetup::makeElement( double x, double y, double z ){
1154 > #ifdef IS_MPI
1155  
1156 <  int k;
1157 <  AtomStamp* current_atom;
1158 <  DirectionalAtom* dAtom;
1159 <  double rotMat[3][3];
1156 > void SimSetup::mpiMolDivide(void){
1157 >  int i, j, k;
1158 >  int localMol, allMol;
1159 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1160  
1161 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1161 >  mpiSim = new mpiSimulation(info);
1162  
1163 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1164 <    if( !current_atom->havePosition() ){
1165 <      sprintf( painCave.errMsg,
1166 <               "SimSetup:initFromBass error.\n"
1167 <               "\tComponent %s, atom %s does not have a position specified.\n"
1168 <               "\tThe initialization routine is unable to give a start"
1169 <               " position.\n",
1170 <               comp_stamps[current_comp]->getID(),
1171 <               current_atom->getType() );
1172 <      painCave.isFatal = 1;
1173 <      simError();
1163 >  globalIndex = mpiSim->divideLabor();
1164 >
1165 >  // set up the local variables
1166 >
1167 >  mol2proc = mpiSim->getMolToProcMap();
1168 >  molCompType = mpiSim->getMolComponentType();
1169 >
1170 >  allMol = 0;
1171 >  localMol = 0;
1172 >  local_atoms = 0;
1173 >  local_bonds = 0;
1174 >  local_bends = 0;
1175 >  local_torsions = 0;
1176 >  globalAtomIndex = 0;
1177 >
1178 >
1179 >  for (i = 0; i < n_components; i++){
1180 >    for (j = 0; j < components_nmol[i]; j++){
1181 >      if (mol2proc[allMol] == worldRank){
1182 >        local_atoms += comp_stamps[i]->getNAtoms();
1183 >        local_bonds += comp_stamps[i]->getNBonds();
1184 >        local_bends += comp_stamps[i]->getNBends();
1185 >        local_torsions += comp_stamps[i]->getNTorsions();
1186 >        localMol++;
1187 >      }      
1188 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1189 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1190 >        globalAtomIndex++;
1191 >      }
1192 >
1193 >      allMol++;
1194      }
1195 +  }
1196 +  local_SRI = local_bonds + local_bends + local_torsions;
1197  
1198 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1077 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1078 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1198 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1199  
1200 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1200 >  if (local_atoms != info[0].n_atoms){
1201 >    sprintf(painCave.errMsg,
1202 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1203 >            " localAtom (%d) are not equal.\n",
1204 >            info[0].n_atoms, local_atoms);
1205 >    painCave.isFatal = 1;
1206 >    simError();
1207 >  }
1208  
1209 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1209 >  info[0].n_bonds = local_bonds;
1210 >  info[0].n_bends = local_bends;
1211 >  info[0].n_torsions = local_torsions;
1212 >  info[0].n_SRI = local_SRI;
1213 >  info[0].n_mol = localMol;
1214  
1215 <      rotMat[0][0] = 1.0;
1216 <      rotMat[0][1] = 0.0;
1217 <      rotMat[0][2] = 0.0;
1215 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1216 >  MPIcheckPoint();
1217 > }
1218  
1219 <      rotMat[1][0] = 0.0;
1089 <      rotMat[1][1] = 1.0;
1090 <      rotMat[1][2] = 0.0;
1219 > #endif // is_mpi
1220  
1092      rotMat[2][0] = 0.0;
1093      rotMat[2][1] = 0.0;
1094      rotMat[2][2] = 1.0;
1221  
1222 <      dAtom->setA( rotMat );
1222 > void SimSetup::makeSysArrays(void){
1223 >
1224 > #ifndef IS_MPI
1225 >  int k, j;
1226 > #endif // is_mpi
1227 >  int i, l;
1228 >
1229 >  Atom** the_atoms;
1230 >  Molecule* the_molecules;
1231 >  Exclude** the_excludes;
1232 >
1233 >
1234 >  for (l = 0; l < nInfo; l++){
1235 >    // create the atom and short range interaction arrays
1236 >
1237 >    the_atoms = new Atom * [info[l].n_atoms];
1238 >    the_molecules = new Molecule[info[l].n_mol];
1239 >    int molIndex;
1240 >
1241 >    // initialize the molecule's stampID's
1242 >
1243 > #ifdef IS_MPI
1244 >
1245 >
1246 >    molIndex = 0;
1247 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1248 >      if (mol2proc[i] == worldRank){
1249 >        the_molecules[molIndex].setStampID(molCompType[i]);
1250 >        the_molecules[molIndex].setMyIndex(molIndex);
1251 >        the_molecules[molIndex].setGlobalIndex(i);
1252 >        molIndex++;
1253 >      }
1254      }
1255  
1256 <    current_atom_ndx++;
1256 > #else // is_mpi
1257 >
1258 >    molIndex = 0;
1259 >    globalAtomIndex = 0;
1260 >    for (i = 0; i < n_components; i++){
1261 >      for (j = 0; j < components_nmol[i]; j++){
1262 >        the_molecules[molIndex].setStampID(i);
1263 >        the_molecules[molIndex].setMyIndex(molIndex);
1264 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1265 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1266 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1267 >          globalAtomIndex++;
1268 >        }
1269 >        molIndex++;
1270 >      }
1271 >    }
1272 >
1273 >
1274 > #endif // is_mpi
1275 >
1276 >
1277 >    if (info[l].n_SRI){
1278 >      Exclude::createArray(info[l].n_SRI);
1279 >      the_excludes = new Exclude * [info[l].n_SRI];
1280 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1281 >        the_excludes[ex] = new Exclude(ex);
1282 >      }
1283 >      info[l].globalExcludes = new int;
1284 >      info[l].n_exclude = info[l].n_SRI;
1285 >    }
1286 >    else{
1287 >      Exclude::createArray(1);
1288 >      the_excludes = new Exclude * ;
1289 >      the_excludes[0] = new Exclude(0);
1290 >      the_excludes[0]->setPair(0, 0);
1291 >      info[l].globalExcludes = new int;
1292 >      info[l].globalExcludes[0] = 0;
1293 >      info[l].n_exclude = 0;
1294 >    }
1295 >
1296 >    // set the arrays into the SimInfo object
1297 >
1298 >    info[l].atoms = the_atoms;
1299 >    info[l].molecules = the_molecules;
1300 >    info[l].nGlobalExcludes = 0;
1301 >    info[l].excludes = the_excludes;
1302 >
1303 >    the_ff->setSimInfo(info);
1304    }
1305 + }
1306  
1307 <  current_mol++;
1308 <  current_comp_mol++;
1307 > void SimSetup::makeIntegrator(void){
1308 >  int k;
1309  
1310 <  if( current_comp_mol >= components_nmol[current_comp] ){
1310 >  NVE* myNVE = NULL;
1311 >  NVT* myNVT = NULL;
1312 >  NPTi* myNPTi = NULL;
1313 >  NPTf* myNPTf = NULL;
1314 >  NPTxyz* myNPTxyz = NULL;
1315 >  
1316 >  for (k = 0; k < nInfo; k++){
1317 >    switch (ensembleCase){
1318 >    case NVE_ENS:
1319 >      if (globals->haveZconstraints()){
1320 >        
1321 >        std::cerr << "ZConstraint is temporarily disabled\n";
1322 >        
1323 >        //      setupZConstraint(info[k]);
1324 >        //      myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1325 >      }
1326 >      
1327 >      //       else{
1328 >      myNVE = new NVE(&(info[k]), the_ff);
1329 >      //       }
1330 >      
1331 >      info->the_integrator = myNVE;
1332 >      break;
1333 >      
1334 >    case NVT_ENS:
1335 >      if (globals->haveZconstraints()){
1336 >        
1337 >        std::cerr << "ZConstraint is temporarily disabled\n";
1338 >        
1339 >        //      setupZConstraint(info[k]);
1340 >        //      myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1341 >      }
1342 >      // else
1343 >      myNVT = new NVT(&(info[k]), the_ff);
1344 >      
1345 >      myNVT->setTargetTemp(globals->getTargetTemp());
1346 >      
1347 >      if (globals->haveTauThermostat())
1348 >        myNVT->setTauThermostat(globals->getTauThermostat());
1349 >      else{
1350 >        sprintf(painCave.errMsg,
1351 >                "SimSetup error: If you use the NVT\n"
1352 >                "    ensemble, you must set tauThermostat.\n");
1353 >        painCave.isFatal = 1;
1354 >        simError();
1355 >      }
1356 >      
1357 >      info->the_integrator = myNVT;
1358 >      break;
1359 >      
1360 >    case NPTi_ENS:
1361 >      if (globals->haveZconstraints()){
1362 >        
1363 >        std::cerr << "ZConstraint is temporarily disabled\n";
1364 >        
1365 >        //        setupZConstraint(info[k]);
1366 >        //           myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1367 >      }
1368 >      // else
1369 >      myNPTi = new NPTi(&(info[k]), the_ff);
1370 >      
1371 >      myNPTi->setTargetTemp(globals->getTargetTemp());
1372 >      
1373 >      if (globals->haveTargetPressure())
1374 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1375 >      else{
1376 >        sprintf(painCave.errMsg,
1377 >                "SimSetup error: If you use a constant pressure\n"
1378 >                "    ensemble, you must set targetPressure in the BASS file.\n");
1379 >        painCave.isFatal = 1;
1380 >        simError();
1381 >      }
1382 >      
1383 >      if (globals->haveTauThermostat())
1384 >        myNPTi->setTauThermostat(globals->getTauThermostat());
1385 >      else{
1386 >        sprintf(painCave.errMsg,
1387 >                "SimSetup error: If you use an NPT\n"
1388 >                "    ensemble, you must set tauThermostat.\n");
1389 >        painCave.isFatal = 1;
1390 >        simError();
1391 >      }
1392 >      
1393 >      if (globals->haveTauBarostat())
1394 >        myNPTi->setTauBarostat(globals->getTauBarostat());
1395 >      else{
1396 >        sprintf(painCave.errMsg,
1397 >                "SimSetup error: If you use an NPT\n"
1398 >                "    ensemble, you must set tauBarostat.\n");
1399 >        painCave.isFatal = 1;
1400 >        simError();
1401 >      }
1402 >      
1403 >      info->the_integrator = myNPTi;
1404 >      break;
1405 >      
1406 >    case NPTf_ENS:
1407 >      if (globals->haveZconstraints()){
1408  
1409 <    current_comp_mol = 0;
1410 <    current_comp++;
1409 >        std::cerr << "ZConstraint is temporarily disabled\n";
1410 >
1411 > //      setupZConstraint(info[k]);
1412 > //      myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1413 >      }
1414 > //       else
1415 >      myNPTf = new NPTf(&(info[k]), the_ff);
1416 >      
1417 >      myNPTf->setTargetTemp(globals->getTargetTemp());
1418 >      
1419 >      if (globals->haveTargetPressure())
1420 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1421 >      else{
1422 >        sprintf(painCave.errMsg,
1423 >                "SimSetup error: If you use a constant pressure\n"
1424 >                "    ensemble, you must set targetPressure in the BASS file.\n");
1425 >        painCave.isFatal = 1;
1426 >        simError();
1427 >      }    
1428 >      
1429 >      if (globals->haveTauThermostat())
1430 >        myNPTf->setTauThermostat(globals->getTauThermostat());
1431 >      
1432 >      else{
1433 >        sprintf(painCave.errMsg,
1434 >                "SimSetup error: If you use an NPT\n"
1435 >                "    ensemble, you must set tauThermostat.\n");
1436 >        painCave.isFatal = 1;
1437 >        simError();
1438 >      }
1439 >      
1440 >      if (globals->haveTauBarostat())
1441 >        myNPTf->setTauBarostat(globals->getTauBarostat());
1442 >      
1443 >      else{
1444 >        sprintf(painCave.errMsg,
1445 >                "SimSetup error: If you use an NPT\n"
1446 >                "    ensemble, you must set tauBarostat.\n");
1447 >        painCave.isFatal = 1;
1448 >        simError();
1449 >      }
1450 >      
1451 >      info->the_integrator = myNPTf;
1452 >      break;
1453 >      
1454 >    case NPTxyz_ENS:
1455 >      if (globals->haveZconstraints()){
1456 >        
1457 >        std::cerr << "ZConstraint is temporarily disabled\n";
1458 >        
1459 >        //      setupZConstraint(info[k]);
1460 >        //      myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1461 >      }
1462 > //       else
1463 >      myNPTxyz = new NPTxyz(&(info[k]), the_ff);
1464 >
1465 >      myNPTxyz->setTargetTemp(globals->getTargetTemp());
1466 >      
1467 >      if (globals->haveTargetPressure())
1468 >        myNPTxyz->setTargetPressure(globals->getTargetPressure());
1469 >      else{
1470 >        sprintf(painCave.errMsg,
1471 >                "SimSetup error: If you use a constant pressure\n"
1472 >                "    ensemble, you must set targetPressure in the BASS file.\n");
1473 >        painCave.isFatal = 1;
1474 >        simError();
1475 >      }    
1476 >      
1477 >      if (globals->haveTauThermostat())
1478 >        myNPTxyz->setTauThermostat(globals->getTauThermostat());
1479 >      else{
1480 >        sprintf(painCave.errMsg,
1481 >                "SimSetup error: If you use an NPT\n"
1482 >                "    ensemble, you must set tauThermostat.\n");
1483 >        painCave.isFatal = 1;
1484 >        simError();
1485 >      }
1486 >      
1487 >      if (globals->haveTauBarostat())
1488 >        myNPTxyz->setTauBarostat(globals->getTauBarostat());
1489 >      else{
1490 >        sprintf(painCave.errMsg,
1491 >                "SimSetup error: If you use an NPT\n"
1492 >                "    ensemble, you must set tauBarostat.\n");
1493 >        painCave.isFatal = 1;
1494 >        simError();
1495 >      }
1496 >      
1497 >      info->the_integrator = myNPTxyz;
1498 >      break;
1499 >      
1500 >    default:
1501 >      sprintf(painCave.errMsg,
1502 >              "SimSetup Error. Unrecognized ensemble in case statement.\n");
1503 >      painCave.isFatal = 1;
1504 >      simError();
1505 >    }
1506    }
1507   }
1508 +
1509 + void SimSetup::initFortran(void){
1510 +  info[0].refreshSim();
1511 +
1512 +  if (!strcmp(info[0].mixingRule, "standard")){
1513 +    the_ff->initForceField(LB_MIXING_RULE);
1514 +  }
1515 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1516 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1517 +  }
1518 +  else{
1519 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1520 +            info[0].mixingRule);
1521 +    painCave.isFatal = 1;
1522 +    simError();
1523 +  }
1524 +
1525 +
1526 + #ifdef IS_MPI
1527 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1528 +  MPIcheckPoint();
1529 + #endif // is_mpi
1530 + }
1531 +
1532 + // void SimSetup::setupZConstraint(SimInfo& theInfo){
1533 + //   int nZConstraints;
1534 + //   ZconStamp** zconStamp;
1535 +
1536 + //   if (globals->haveZconstraintTime()){
1537 + //     //add sample time of z-constraint  into SimInfo's property list                    
1538 + //     DoubleData* zconsTimeProp = new DoubleData();
1539 + //     zconsTimeProp->setID(ZCONSTIME_ID);
1540 + //     zconsTimeProp->setData(globals->getZconsTime());
1541 + //     theInfo.addProperty(zconsTimeProp);
1542 + //   }
1543 + //   else{
1544 + //     sprintf(painCave.errMsg,
1545 + //             "ZConstraint error: If you use an ZConstraint\n"
1546 + //             " , you must set sample time.\n");
1547 + //     painCave.isFatal = 1;
1548 + //     simError();
1549 + //   }
1550 +
1551 + //   //push zconsTol into siminfo, if user does not specify
1552 + //   //value for zconsTol, a default value will be used
1553 + //   DoubleData* zconsTol = new DoubleData();
1554 + //   zconsTol->setID(ZCONSTOL_ID);
1555 + //   if (globals->haveZconsTol()){
1556 + //     zconsTol->setData(globals->getZconsTol());
1557 + //   }
1558 + //   else{
1559 + //     double defaultZConsTol = 0.01;
1560 + //     sprintf(painCave.errMsg,
1561 + //             "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1562 + //             " , default value %f is used.\n",
1563 + //             defaultZConsTol);
1564 + //     painCave.isFatal = 0;
1565 + //     simError();      
1566 +
1567 + //     zconsTol->setData(defaultZConsTol);
1568 + //   }
1569 + //   theInfo.addProperty(zconsTol);
1570 +
1571 + //   //set Force Subtraction Policy
1572 + //   StringData* zconsForcePolicy = new StringData();
1573 + //   zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1574 +
1575 + //   if (globals->haveZconsForcePolicy()){
1576 + //     zconsForcePolicy->setData(globals->getZconsForcePolicy());
1577 + //   }
1578 + //   else{
1579 + //     sprintf(painCave.errMsg,
1580 + //             "ZConstraint Warning: User does not set force Subtraction policy, "
1581 + //             "PolicyByMass is used\n");
1582 + //     painCave.isFatal = 0;
1583 + //     simError();
1584 + //     zconsForcePolicy->setData("BYMASS");
1585 + //   }
1586 +
1587 + //   theInfo.addProperty(zconsForcePolicy);
1588 +
1589 + //   //Determine the name of ouput file and add it into SimInfo's property list
1590 + //   //Be careful, do not use inFileName, since it is a pointer which
1591 + //   //point to a string at master node, and slave nodes do not contain that string
1592 +
1593 + //   string zconsOutput(theInfo.finalName);
1594 +
1595 + //   zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1596 +
1597 + //   StringData* zconsFilename = new StringData();
1598 + //   zconsFilename->setID(ZCONSFILENAME_ID);
1599 + //   zconsFilename->setData(zconsOutput);
1600 +
1601 + //   theInfo.addProperty(zconsFilename);
1602 +
1603 + //   //setup index, pos and other parameters of z-constraint molecules
1604 + //   nZConstraints = globals->getNzConstraints();
1605 + //   theInfo.nZconstraints = nZConstraints;
1606 +
1607 + //   zconStamp = globals->getZconStamp();
1608 + //   ZConsParaItem tempParaItem;
1609 +
1610 + //   ZConsParaData* zconsParaData = new ZConsParaData();
1611 + //   zconsParaData->setID(ZCONSPARADATA_ID);
1612 +
1613 + //   for (int i = 0; i < nZConstraints; i++){
1614 + //     tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1615 + //     tempParaItem.zPos = zconStamp[i]->getZpos();
1616 + //     tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1617 + //     tempParaItem.kRatio = zconStamp[i]->getKratio();
1618 +
1619 + //     zconsParaData->addItem(tempParaItem);
1620 + //   }
1621 +
1622 + //   //check the uniqueness of index  
1623 + //   if(!zconsParaData->isIndexUnique()){
1624 + //     sprintf(painCave.errMsg,
1625 + //             "ZConstraint Error: molIndex is not unique\n");
1626 + //     painCave.isFatal = 1;
1627 + //     simError();
1628 + //   }
1629 +
1630 + //   //sort the parameters by index of molecules
1631 + //   zconsParaData->sortByIndex();
1632 +  
1633 + //   //push data into siminfo, therefore, we can retrieve later
1634 + //   theInfo.addProperty(zconsParaData);
1635 + // }

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