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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 604 by gezelter, Tue Jul 15 03:08:00 2003 UTC vs.
Revision 983 by gezelter, Mon Jan 26 21:45:03 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
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 14 | Line 17
17  
18   // some defines for ensemble and Forcefield  cases
19  
20 < #define NVE_ENS   0
21 < #define NVT_ENS   1
22 < #define NPTi_ENS  2
23 < #define NPTf_ENS  3
24 < #define NPTim_ENS 4
22 < #define NPTfm_ENS 5
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 + /**
34 + * Check whether dividend is divisble by divisor or not
35 + */
36 + bool isDivisible(double dividend, double divisor){
37 +  double tolerance = 0.000001;
38 +  double quotient;
39 +  double diff;
40 +  int intQuotient;
41 +  
42 +  quotient = dividend / divisor;
43 +
44 +  if (quotient < 0)
45 +    quotient = -quotient;
46 +
47 +  intQuotient = int (quotient + tolerance);
48 +
49 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
50 +
51 +  if (diff <= tolerance)
52 +    return true;
53 +  else
54 +    return false;  
55 + }
56 +
57   SimSetup::SimSetup(){
58 +  
59 +  initSuspend = false;
60 +  isInfoArray = 0;
61 +  nInfo = 1;
62 +
63    stamps = new MakeStamps();
64    globals = new Globals();
65 <  
65 >
66 >
67   #ifdef IS_MPI
68 <  strcpy( checkPointMsg, "SimSetup creation successful" );
68 >  strcpy(checkPointMsg, "SimSetup creation successful");
69    MPIcheckPoint();
70   #endif // IS_MPI
71   }
# Line 41 | Line 75 | void SimSetup::parseFile( char* fileName ){
75    delete globals;
76   }
77  
78 < void SimSetup::parseFile( char* fileName ){
78 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
79 >  info = the_info;
80 >  nInfo = theNinfo;
81 >  isInfoArray = 1;
82 >  initSuspend = true;
83 > }
84  
85 +
86 + void SimSetup::parseFile(char* fileName){
87   #ifdef IS_MPI
88 <  if( worldRank == 0 ){
88 >  if (worldRank == 0){
89   #endif // is_mpi
90 <    
90 >
91      inFileName = fileName;
92 <    set_interface_stamps( stamps, globals );
93 <    
92 >    set_interface_stamps(stamps, globals);
93 >
94   #ifdef IS_MPI
95      mpiEventInit();
96   #endif
97  
98 <    yacc_BASS( fileName );
98 >    yacc_BASS(fileName);
99  
100   #ifdef IS_MPI
101      throwMPIEvent(NULL);
102    }
103 <  else receiveParse();
103 >  else{
104 >    receiveParse();
105 >  }
106   #endif
107  
108   }
109  
110   #ifdef IS_MPI
111   void SimSetup::receiveParse(void){
112 <
113 <    set_interface_stamps( stamps, globals );
114 <    mpiEventInit();
115 <    MPIcheckPoint();
73 <    mpiEventLoop();
74 <
112 >  set_interface_stamps(stamps, globals);
113 >  mpiEventInit();
114 >  MPIcheckPoint();
115 >  mpiEventLoop();
116   }
117  
118   #endif // is_mpi
119  
120 < void SimSetup::createSim( void ){
120 > void SimSetup::createSim(void){
121  
122 <  MakeStamps *the_stamps;
82 <  Globals* the_globals;
83 <  int i, j, k, globalAtomIndex;
84 <  
85 <  int ensembleCase;
86 <  int ffCase;
87 <  
88 <  ensembleCase = -1;
89 <  ffCase = -1;
122 >  // gather all of the information from the Bass file
123  
124 <  // get the stamps and globals;
92 <  the_stamps = stamps;
93 <  the_globals = globals;
124 >  gatherInfo();
125  
126 <  // set the easy ones first
96 <  simnfo->target_temp = the_globals->getTargetTemp();
97 <  simnfo->dt = the_globals->getDt();
98 <  simnfo->run_time = the_globals->getRunTime();
126 >  // creation of complex system objects
127  
128 <  // get the ones we know are there, yet still may need some work.
101 <  n_components = the_globals->getNComponents();
102 <  strcpy( force_field, the_globals->getForceField() );
128 >  sysObjectsCreation();
129  
130 <  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
105 <  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
106 <  else{
107 <    sprintf( painCave.errMsg,
108 <             "SimSetup Error. Unrecognized force field -> %s\n",
109 <             force_field );
110 <    painCave.isFatal = 1;
111 <    simError();
112 <  }
130 >  // check on the post processing info
131  
132 <  // get the ensemble:
115 <  strcpy( ensemble, the_globals->getEnsemble() );
132 >  finalInfoCheck();
133  
134 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
118 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
119 <  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
120 <    ensembleCase = NPTi_ENS;
121 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
122 <  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
123 <  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
124 <  else{
125 <    sprintf( painCave.errMsg,
126 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
127 <             "reverting to NVE for this simulation.\n",
128 <             ensemble );
129 <    painCave.isFatal = 0;
130 <    simError();
131 <    strcpy( ensemble, "NVE" );
132 <    ensembleCase = NVE_ENS;
133 <  }  
134 <  strcpy( simnfo->ensemble, ensemble );
134 >  // initialize the system coordinates
135  
136 +  if ( !initSuspend ){
137 +    initSystemCoords();
138  
139 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
140 < //     the_extendedsystem = new ExtendedSystem( simnfo );
141 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
140 < //     if (the_globals->haveTargetPressure())
141 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
142 < //     else {
143 < //       sprintf( painCave.errMsg,
144 < //                "SimSetup error: If you use the constant pressure\n"
145 < //                "    ensemble, you must set targetPressure.\n"
146 < //                "    This was found in the BASS file.\n");
147 < //       painCave.isFatal = 1;
148 < //       simError();
149 < //     }
139 >    if( !(globals->getUseInitTime()) )
140 >      info[0].currentTime = 0.0;
141 >  }  
142  
143 < //     if (the_globals->haveTauThermostat())
152 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
153 < //     else if (the_globals->haveQmass())
154 < //       the_extendedsystem->setQmass(the_globals->getQmass());
155 < //     else {
156 < //       sprintf( painCave.errMsg,
157 < //                "SimSetup error: If you use one of the constant temperature\n"
158 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
159 < //                "    Neither of these was found in the BASS file.\n");
160 < //       painCave.isFatal = 1;
161 < //       simError();
162 < //     }
143 >  // make the output filenames
144  
145 < //     if (the_globals->haveTauBarostat())
165 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
166 < //     else {
167 < //       sprintf( painCave.errMsg,
168 < //                "SimSetup error: If you use the constant pressure\n"
169 < //                "    ensemble, you must set tauBarostat.\n"
170 < //                "    This was found in the BASS file.\n");
171 < //       painCave.isFatal = 1;
172 < //       simError();
173 < //     }
145 >  makeOutNames();
146  
147 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
176 < //     the_extendedsystem = new ExtendedSystem( simnfo );
177 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
147 >  // make the integrator
148  
149 < //     if (the_globals->haveTauThermostat())
180 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
181 < //     else if (the_globals->haveQmass())
182 < //       the_extendedsystem->setQmass(the_globals->getQmass());
183 < //     else {
184 < //       sprintf( painCave.errMsg,
185 < //                "SimSetup error: If you use one of the constant temperature\n"
186 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
187 < //                "    Neither of these was found in the BASS file.\n");
188 < //       painCave.isFatal = 1;
189 < //       simError();
190 < //     }
149 >  makeIntegrator();
150  
151 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
152 <  simnfo->usePBC = the_globals->getPBC();
153 <          
195 <  int usesDipoles = 0;
196 <  switch( ffCase ){
151 > #ifdef IS_MPI
152 >  mpiSim->mpiRefresh();
153 > #endif
154  
155 <  case FF_DUFF:
199 <    the_ff = new DUFF();
200 <    usesDipoles = 1;
201 <    break;
155 >  // initialize the Fortran
156  
157 <  case FF_LJ:
158 <    the_ff = new LJFF();
205 <    break;
157 >  initFortran();
158 > }
159  
207  default:
208    sprintf( painCave.errMsg,
209             "SimSetup Error. Unrecognized force field in case statement.\n");
210    painCave.isFatal = 1;
211    simError();
212  }
160  
161 < #ifdef IS_MPI
162 <  strcpy( checkPointMsg, "ForceField creation successful" );
163 <  MPIcheckPoint();
164 < #endif // is_mpi
161 > void SimSetup::makeMolecules(void){
162 >  int k;
163 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
164 >  molInit molInfo;
165 >  DirectionalAtom* dAtom;
166 >  LinkedAssign* extras;
167 >  LinkedAssign* current_extra;
168 >  AtomStamp* currentAtom;
169 >  BondStamp* currentBond;
170 >  BendStamp* currentBend;
171 >  TorsionStamp* currentTorsion;
172  
173 <  // get the components and calculate the tot_nMol and indvidual n_mol
174 <  the_components = the_globals->getComponents();
175 <  components_nmol = new int[n_components];
222 <  comp_stamps = new MoleculeStamp*[n_components];
173 >  bond_pair* theBonds;
174 >  bend_set* theBends;
175 >  torsion_set* theTorsions;
176  
177 <  if( !the_globals->haveNMol() ){
225 <    // we don't have the total number of molecules, so we assume it is
226 <    // given in each component
177 >  //init the forceField paramters
178  
179 <    tot_nmol = 0;
229 <    for( i=0; i<n_components; i++ ){
179 >  the_ff->readParams();
180  
231      if( !the_components[i]->haveNMol() ){
232        // we have a problem
233        sprintf( painCave.errMsg,
234                 "SimSetup Error. No global NMol or component NMol"
235                 " given. Cannot calculate the number of atoms.\n" );
236        painCave.isFatal = 1;
237        simError();
238      }
181  
182 <      tot_nmol += the_components[i]->getNMol();
241 <      components_nmol[i] = the_components[i]->getNMol();
242 <    }
243 <  }
244 <  else{
245 <    sprintf( painCave.errMsg,
246 <             "SimSetup error.\n"
247 <             "\tSorry, the ability to specify total"
248 <             " nMols and then give molfractions in the components\n"
249 <             "\tis not currently supported."
250 <             " Please give nMol in the components.\n" );
251 <    painCave.isFatal = 1;
252 <    simError();
253 <    
254 <    
255 <    //     tot_nmol = the_globals->getNMol();
256 <    
257 <    //   //we have the total number of molecules, now we check for molfractions
258 <    //     for( i=0; i<n_components; i++ ){
259 <    
260 <    //       if( !the_components[i]->haveMolFraction() ){
261 <    
262 <    //  if( !the_components[i]->haveNMol() ){
263 <    //    //we have a problem
264 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
265 <    //              << " nMol was given in component
266 <    
267 <  }
182 >  // init the atoms
183  
184 < #ifdef IS_MPI
185 <  strcpy( checkPointMsg, "Have the number of components" );
186 <  MPIcheckPoint();
187 < #endif // is_mpi
184 >  double phi, theta, psi;
185 >  double sux, suy, suz;
186 >  double Axx, Axy, Axz, Ayx, Ayy, Ayz, Azx, Azy, Azz;
187 >  double ux, uy, uz, u, uSqr;
188  
189 <  // make an array of molecule stamps that match the components used.
190 <  // also extract the used stamps out into a separate linked list
189 >  for (k = 0; k < nInfo; k++){
190 >    the_ff->setSimInfo(&(info[k]));
191  
192 <  simnfo->nComponents = n_components;
193 <  simnfo->componentsNmol = components_nmol;
194 <  simnfo->compStamps = comp_stamps;
195 <  simnfo->headStamp = new LinkedMolStamp();
281 <  
282 <  char* id;
283 <  LinkedMolStamp* headStamp = simnfo->headStamp;
284 <  LinkedMolStamp* currentStamp = NULL;
285 <  for( i=0; i<n_components; i++ ){
192 >    atomOffset = 0;
193 >    excludeOffset = 0;
194 >    for (i = 0; i < info[k].n_mol; i++){
195 >      stampID = info[k].molecules[i].getStampID();
196  
197 <    id = the_components[i]->getType();
198 <    comp_stamps[i] = NULL;
199 <    
200 <    // check to make sure the component isn't already in the list
197 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
198 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
199 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
200 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
201 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
202  
203 <    comp_stamps[i] = headStamp->match( id );
204 <    if( comp_stamps[i] == NULL ){
205 <      
206 <      // extract the component from the list;
207 <      
297 <      currentStamp = the_stamps->extractMolStamp( id );
298 <      if( currentStamp == NULL ){
299 <        sprintf( painCave.errMsg,
300 <                 "SimSetup error: Component \"%s\" was not found in the "
301 <                 "list of declared molecules\n",
302 <                 id );
303 <        painCave.isFatal = 1;
304 <        simError();
305 <      }
306 <      
307 <      headStamp->add( currentStamp );
308 <      comp_stamps[i] = headStamp->match( id );
309 <    }
310 <  }
203 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
204 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
205 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
206 >      molInfo.myBends = new Bend * [molInfo.nBends];
207 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
208  
209 < #ifdef IS_MPI
210 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
211 <  MPIcheckPoint();
315 < #endif // is_mpi
316 <  
209 >      theBonds = new bond_pair[molInfo.nBonds];
210 >      theBends = new bend_set[molInfo.nBends];
211 >      theTorsions = new torsion_set[molInfo.nTorsions];
212  
213 +      // make the Atoms
214  
215 +      for (j = 0; j < molInfo.nAtoms; j++){
216 +        currentAtom = comp_stamps[stampID]->getAtom(j);
217 +        if (currentAtom->haveOrientation()){
218 +          dAtom = new DirectionalAtom((j + atomOffset),
219 +                                      info[k].getConfiguration());
220 +          info[k].n_oriented++;
221 +          molInfo.myAtoms[j] = dAtom;
222  
223 <  // caclulate the number of atoms, bonds, bends and torsions
223 >          // Directional Atoms have standard unit vectors which are oriented
224 >          // in space using the three Euler angles.  We assume the standard
225 >          // unit vector was originally along the z axis below.
226  
227 <  tot_atoms = 0;
228 <  tot_bonds = 0;
229 <  tot_bends = 0;
230 <  tot_torsions = 0;
231 <  for( i=0; i<n_components; i++ ){
232 <    
233 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
234 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
235 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
236 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
237 <  }
227 >          phi = currentAtom->getEulerPhi();
228 >          theta = currentAtom->getEulerTheta();
229 >          psi = currentAtom->getEulerPsi();
230 >            
231 >          Axx = (cos(phi) * cos(psi)) - (sin(phi) * cos(theta) * sin(psi));
232 >          Axy = (sin(phi) * cos(psi)) + (cos(phi) * cos(theta) * sin(psi));
233 >          Axz = sin(theta) * sin(psi);
234 >          
235 >          Ayx = -(cos(phi) * sin(psi)) - (sin(phi) * cos(theta) * cos(psi));
236 >          Ayy = -(sin(phi) * sin(psi)) + (cos(phi) * cos(theta) * cos(psi));
237 >          Ayz = sin(theta) * cos(psi);
238 >          
239 >          Azx = sin(phi) * sin(theta);
240 >          Azy = -cos(phi) * sin(theta);
241 >          Azz = cos(theta);
242  
243 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
243 >          sux = 0.0;
244 >          suy = 0.0;
245 >          suz = 1.0;
246  
247 <  simnfo->n_atoms = tot_atoms;
248 <  simnfo->n_bonds = tot_bonds;
249 <  simnfo->n_bends = tot_bends;
339 <  simnfo->n_torsions = tot_torsions;
340 <  simnfo->n_SRI = tot_SRI;
341 <  simnfo->n_mol = tot_nmol;
342 <  
343 <  simnfo->molMembershipArray = new int[tot_atoms];
247 >          ux = (Axx * sux) + (Ayx * suy) + (Azx * suz);
248 >          uy = (Axy * sux) + (Ayy * suy) + (Azy * suz);
249 >          uz = (Axz * sux) + (Ayz * suy) + (Azz * suz);
250  
251 < #ifdef IS_MPI
251 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
252  
253 <  // divide the molecules among processors here.
254 <  
255 <  mpiSim = new mpiSimulation( simnfo );
256 <  
351 <  globalIndex = mpiSim->divideLabor();
253 >          u = sqrt(uSqr);
254 >          ux = ux / u;
255 >          uy = uy / u;
256 >          uz = uz / u;
257  
258 <  // set up the local variables
259 <  
260 <  int localMol, allMol;
261 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
258 >          dAtom->setSUx(ux);
259 >          dAtom->setSUy(uy);
260 >          dAtom->setSUz(uz);
261 >        }
262 >        else{
263 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
264 >                                               info[k].getConfiguration());
265 >        }
266 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
267  
268 <  int* mol2proc = mpiSim->getMolToProcMap();
359 <  int* molCompType = mpiSim->getMolComponentType();
360 <  
361 <  allMol = 0;
362 <  localMol = 0;
363 <  local_atoms = 0;
364 <  local_bonds = 0;
365 <  local_bends = 0;
366 <  local_torsions = 0;
367 <  globalAtomIndex = 0;
268 > #ifdef IS_MPI
269  
270 +        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
271  
272 <  for( i=0; i<n_components; i++ ){
272 > #endif // is_mpi
273 >      }
274  
275 <    for( j=0; j<components_nmol[i]; j++ ){
276 <      
277 <      if( mol2proc[allMol] == worldRank ){
278 <        
279 <        local_atoms +=    comp_stamps[i]->getNAtoms();
377 <        local_bonds +=    comp_stamps[i]->getNBonds();
378 <        local_bends +=    comp_stamps[i]->getNBends();
379 <        local_torsions += comp_stamps[i]->getNTorsions();
380 <        localMol++;
381 <      }      
382 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
383 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
384 <        globalAtomIndex++;
385 <      }
275 >      // make the bonds
276 >      for (j = 0; j < molInfo.nBonds; j++){
277 >        currentBond = comp_stamps[stampID]->getBond(j);
278 >        theBonds[j].a = currentBond->getA() + atomOffset;
279 >        theBonds[j].b = currentBond->getB() + atomOffset;
280  
281 <      allMol++;      
282 <    }
389 <  }
390 <  local_SRI = local_bonds + local_bends + local_torsions;
391 <  
392 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
393 <  
394 <  if( local_atoms != simnfo->n_atoms ){
395 <    sprintf( painCave.errMsg,
396 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
397 <             " localAtom (%d) are not equal.\n",
398 <             simnfo->n_atoms,
399 <             local_atoms );
400 <    painCave.isFatal = 1;
401 <    simError();
402 <  }
281 >        exI = theBonds[j].a;
282 >        exJ = theBonds[j].b;
283  
284 <  simnfo->n_bonds = local_bonds;
285 <  simnfo->n_bends = local_bends;
286 <  simnfo->n_torsions = local_torsions;
287 <  simnfo->n_SRI = local_SRI;
288 <  simnfo->n_mol = localMol;
284 >        // exclude_I must always be the smaller of the pair
285 >        if (exI > exJ){
286 >          tempEx = exI;
287 >          exI = exJ;
288 >          exJ = tempEx;
289 >        }
290 > #ifdef IS_MPI
291 >        tempEx = exI;
292 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
293 >        tempEx = exJ;
294 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
295  
296 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
297 <  MPIcheckPoint();
412 <  
413 <  
414 < #endif // is_mpi
415 <  
296 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
297 > #else  // isn't MPI
298  
299 <  // create the atom and short range interaction arrays
299 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
300 > #endif  //is_mpi
301 >      }
302 >      excludeOffset += molInfo.nBonds;
303  
304 <  Atom::createArrays(simnfo->n_atoms);
305 <  the_atoms = new Atom*[simnfo->n_atoms];
306 <  the_molecules = new Molecule[simnfo->n_mol];
307 <  int molIndex;
304 >      //make the bends
305 >      for (j = 0; j < molInfo.nBends; j++){
306 >        currentBend = comp_stamps[stampID]->getBend(j);
307 >        theBends[j].a = currentBend->getA() + atomOffset;
308 >        theBends[j].b = currentBend->getB() + atomOffset;
309 >        theBends[j].c = currentBend->getC() + atomOffset;
310  
311 <  // initialize the molecule's stampID's
311 >        if (currentBend->haveExtras()){
312 >          extras = currentBend->getExtras();
313 >          current_extra = extras;
314 >
315 >          while (current_extra != NULL){
316 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
317 >              switch (current_extra->getType()){
318 >                case 0:
319 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
320 >                  theBends[j].isGhost = 1;
321 >                  break;
322 >
323 >                case 1:
324 >                  theBends[j].ghost = (int) current_extra->getDouble() +
325 >                                      atomOffset;
326 >                  theBends[j].isGhost = 1;
327 >                  break;
328  
329 +                default:
330 +                  sprintf(painCave.errMsg,
331 +                          "SimSetup Error: ghostVectorSource was neither a "
332 +                          "double nor an int.\n"
333 +                          "-->Bend[%d] in %s\n",
334 +                          j, comp_stamps[stampID]->getID());
335 +                  painCave.isFatal = 1;
336 +                  simError();
337 +              }
338 +            }
339 +            else{
340 +              sprintf(painCave.errMsg,
341 +                      "SimSetup Error: unhandled bend assignment:\n"
342 +                      "    -->%s in Bend[%d] in %s\n",
343 +                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
344 +              painCave.isFatal = 1;
345 +              simError();
346 +            }
347 +
348 +            current_extra = current_extra->getNext();
349 +          }
350 +        }
351 +
352 +        if (!theBends[j].isGhost){
353 +          exI = theBends[j].a;
354 +          exJ = theBends[j].c;
355 +        }
356 +        else{
357 +          exI = theBends[j].a;
358 +          exJ = theBends[j].b;
359 +        }
360 +
361 +        // exclude_I must always be the smaller of the pair
362 +        if (exI > exJ){
363 +          tempEx = exI;
364 +          exI = exJ;
365 +          exJ = tempEx;
366 +        }
367   #ifdef IS_MPI
368 <  
368 >        tempEx = exI;
369 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
370 >        tempEx = exJ;
371 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
372  
373 <  molIndex = 0;
374 <  for(i=0; i<mpiSim->getTotNmol(); i++){
375 <    
376 <    if(mol2proc[i] == worldRank ){
377 <      the_molecules[molIndex].setStampID( molCompType[i] );
378 <      the_molecules[molIndex].setMyIndex( molIndex );
435 <      the_molecules[molIndex].setGlobalIndex( i );
436 <      molIndex++;
437 <    }
438 <  }
373 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
374 > #else  // isn't MPI
375 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
376 > #endif  //is_mpi
377 >      }
378 >      excludeOffset += molInfo.nBends;
379  
380 < #else // is_mpi
381 <  
382 <  molIndex = 0;
383 <  globalAtomIndex = 0;
384 <  for(i=0; i<n_components; i++){
385 <    for(j=0; j<components_nmol[i]; j++ ){
386 <      the_molecules[molIndex].setStampID( i );
387 <      the_molecules[molIndex].setMyIndex( molIndex );
388 <      the_molecules[molIndex].setGlobalIndex( molIndex );
389 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
390 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
391 <        globalAtomIndex++;
380 >      for (j = 0; j < molInfo.nTorsions; j++){
381 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
382 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
383 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
384 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
385 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
386 >
387 >        exI = theTorsions[j].a;
388 >        exJ = theTorsions[j].d;
389 >
390 >        // exclude_I must always be the smaller of the pair
391 >        if (exI > exJ){
392 >          tempEx = exI;
393 >          exI = exJ;
394 >          exJ = tempEx;
395 >        }
396 > #ifdef IS_MPI
397 >        tempEx = exI;
398 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
399 >        tempEx = exJ;
400 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
401 >
402 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
403 > #else  // isn't MPI
404 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
405 > #endif  //is_mpi
406        }
407 <      molIndex++;
454 <    }
455 <  }
456 <    
407 >      excludeOffset += molInfo.nTorsions;
408  
458 #endif // is_mpi
409  
410 +      // send the arrays off to the forceField for init.
411  
412 <  if( simnfo->n_SRI ){
413 <    
414 <    Exclude::createArray(simnfo->n_SRI);
415 <    the_excludes = new Exclude*[simnfo->n_SRI];
416 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
417 <    simnfo->globalExcludes = new int;
418 <    simnfo->n_exclude = simnfo->n_SRI;
412 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
413 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
414 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
415 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
416 >                                 theTorsions);
417 >
418 >
419 >      info[k].molecules[i].initialize(molInfo);
420 >
421 >
422 >      atomOffset += molInfo.nAtoms;
423 >      delete[] theBonds;
424 >      delete[] theBends;
425 >      delete[] theTorsions;
426 >    }
427    }
469  else{
470    
471    Exclude::createArray( 1 );
472    the_excludes = new Exclude*;
473    the_excludes[0] = new Exclude(0);
474    the_excludes[0]->setPair( 0,0 );
475    simnfo->globalExcludes = new int;
476    simnfo->globalExcludes[0] = 0;
477    simnfo->n_exclude = 0;
478  }
428  
429 <  // set the arrays into the SimInfo object
429 > #ifdef IS_MPI
430 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
431 >  MPIcheckPoint();
432 > #endif // is_mpi
433  
434 <  simnfo->atoms = the_atoms;
483 <  simnfo->molecules = the_molecules;
484 <  simnfo->nGlobalExcludes = 0;
485 <  simnfo->excludes = the_excludes;
434 >  // clean up the forcefield
435  
436 +  the_ff->calcRcut();
437 +  the_ff->cleanMe();
438 + }
439  
440 <  // get some of the tricky things that may still be in the globals
440 > void SimSetup::initFromBass(void){
441 >  int i, j, k;
442 >  int n_cells;
443 >  double cellx, celly, cellz;
444 >  double temp1, temp2, temp3;
445 >  int n_per_extra;
446 >  int n_extra;
447 >  int have_extra, done;
448  
449 <  double boxVector[3];
450 <  if( the_globals->haveBox() ){
451 <    boxVector[0] = the_globals->getBox();
452 <    boxVector[1] = the_globals->getBox();
494 <    boxVector[2] = the_globals->getBox();
495 <    
496 <    simnfo->setBox( boxVector );
497 <  }
498 <  else if( the_globals->haveDensity() ){
449 >  double vel[3];
450 >  vel[0] = 0.0;
451 >  vel[1] = 0.0;
452 >  vel[2] = 0.0;
453  
454 <    double vol;
455 <    vol = (double)tot_nmol / the_globals->getDensity();
456 <     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
503 <     boxVector[1] = boxVector[0];
504 <     boxVector[2] = boxVector[0];
454 >  temp1 = (double) tot_nmol / 4.0;
455 >  temp2 = pow(temp1, (1.0 / 3.0));
456 >  temp3 = ceil(temp2);
457  
458 <    simnfo->setBox( boxVector );
459 <  }
460 <  else{
461 <    if( !the_globals->haveBoxX() ){
510 <      sprintf( painCave.errMsg,
511 <               "SimSetup error, no periodic BoxX size given.\n" );
512 <      painCave.isFatal = 1;
513 <      simError();
514 <    }
515 <    boxVector[0] = the_globals->getBoxX();
458 >  have_extra = 0;
459 >  if (temp2 < temp3){
460 >    // we have a non-complete lattice
461 >    have_extra = 1;
462  
463 <    if( !the_globals->haveBoxY() ){
464 <      sprintf( painCave.errMsg,
465 <               "SimSetup error, no periodic BoxY size given.\n" );
466 <      painCave.isFatal = 1;
467 <      simError();
468 <    }
469 <    boxVector[1] = the_globals->getBoxY();
463 >    n_cells = (int) temp3 - 1;
464 >    cellx = info[0].boxL[0] / temp3;
465 >    celly = info[0].boxL[1] / temp3;
466 >    cellz = info[0].boxL[2] / temp3;
467 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
468 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
469 >    n_per_extra = (int) ceil(temp1);
470  
471 <    if( !the_globals->haveBoxZ() ){
472 <      sprintf( painCave.errMsg,
473 <               "SimSetup error, no periodic BoxZ size given.\n" );
471 >    if (n_per_extra > 4){
472 >      sprintf(painCave.errMsg,
473 >              "SimSetup error. There has been an error in constructing"
474 >              " the non-complete lattice.\n");
475        painCave.isFatal = 1;
476        simError();
477      }
531    boxVector[2] = the_globals->getBoxZ();
532
533    simnfo->setBox( boxVector );
478    }
479 +  else{
480 +    n_cells = (int) temp3;
481 +    cellx = info[0].boxL[0] / temp3;
482 +    celly = info[0].boxL[1] / temp3;
483 +    cellz = info[0].boxL[2] / temp3;
484 +  }
485  
486 < #ifdef IS_MPI
487 <  strcpy( checkPointMsg, "Box size set up" );
488 <  MPIcheckPoint();
489 < #endif // is_mpi
486 >  current_mol = 0;
487 >  current_comp_mol = 0;
488 >  current_comp = 0;
489 >  current_atom_ndx = 0;
490  
491 +  for (i = 0; i < n_cells ; i++){
492 +    for (j = 0; j < n_cells; j++){
493 +      for (k = 0; k < n_cells; k++){
494 +        makeElement(i * cellx, j * celly, k * cellz);
495  
496 <  // initialize the arrays
496 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
497  
498 <  the_ff->setSimInfo( simnfo );
498 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
499  
500 <  makeMolecules();
501 <  simnfo->identArray = new int[simnfo->n_atoms];
502 <  for(i=0; i<simnfo->n_atoms; i++){
549 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
500 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
501 >      }
502 >    }
503    }
504 <  
505 <  if (the_globals->getUseRF() ) {
506 <    simnfo->useReactionField = 1;
554 <  
555 <    if( !the_globals->haveECR() ){
556 <      sprintf( painCave.errMsg,
557 <               "SimSetup Warning: using default value of 1/2 the smallest "
558 <               "box length for the electrostaticCutoffRadius.\n"
559 <               "I hope you have a very fast processor!\n");
560 <      painCave.isFatal = 0;
561 <      simError();
562 <      double smallest;
563 <      smallest = simnfo->boxLx;
564 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
565 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
566 <      simnfo->ecr = 0.5 * smallest;
567 <    } else {
568 <      simnfo->ecr        = the_globals->getECR();
569 <    }
504 >
505 >  if (have_extra){
506 >    done = 0;
507  
508 <    if( !the_globals->haveEST() ){
509 <      sprintf( painCave.errMsg,
510 <               "SimSetup Warning: using default value of 0.05 * the "
511 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
512 <               );
513 <      painCave.isFatal = 0;
514 <      simError();
515 <      simnfo->est = 0.05 * simnfo->ecr;
516 <    } else {
517 <      simnfo->est        = the_globals->getEST();
508 >    int start_ndx;
509 >    for (i = 0; i < (n_cells + 1) && !done; i++){
510 >      for (j = 0; j < (n_cells + 1) && !done; j++){
511 >        if (i < n_cells){
512 >          if (j < n_cells){
513 >            start_ndx = n_cells;
514 >          }
515 >          else
516 >            start_ndx = 0;
517 >        }
518 >        else
519 >          start_ndx = 0;
520 >
521 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
522 >          makeElement(i * cellx, j * celly, k * cellz);
523 >          done = (current_mol >= tot_nmol);
524 >
525 >          if (!done && n_per_extra > 1){
526 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
527 >                        k * cellz);
528 >            done = (current_mol >= tot_nmol);
529 >          }
530 >
531 >          if (!done && n_per_extra > 2){
532 >            makeElement(i * cellx, j * celly + 0.5 * celly,
533 >                        k * cellz + 0.5 * cellz);
534 >            done = (current_mol >= tot_nmol);
535 >          }
536 >
537 >          if (!done && n_per_extra > 3){
538 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
539 >                        k * cellz + 0.5 * cellz);
540 >            done = (current_mol >= tot_nmol);
541 >          }
542 >        }
543 >      }
544      }
545 <    
546 <    if(!the_globals->haveDielectric() ){
547 <      sprintf( painCave.errMsg,
548 <               "SimSetup Error: You are trying to use Reaction Field without"
549 <               "setting a dielectric constant!\n"
550 <               );
545 >  }
546 >
547 >  for (i = 0; i < info[0].n_atoms; i++){
548 >    info[0].atoms[i]->setVel(vel);
549 >  }
550 > }
551 >
552 > void SimSetup::makeElement(double x, double y, double z){
553 >  int k;
554 >  AtomStamp* current_atom;
555 >  DirectionalAtom* dAtom;
556 >  double rotMat[3][3];
557 >  double pos[3];
558 >
559 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
560 >    current_atom = comp_stamps[current_comp]->getAtom(k);
561 >    if (!current_atom->havePosition()){
562 >      sprintf(painCave.errMsg,
563 >              "SimSetup:initFromBass error.\n"
564 >              "\tComponent %s, atom %s does not have a position specified.\n"
565 >              "\tThe initialization routine is unable to give a start"
566 >              " position.\n",
567 >              comp_stamps[current_comp]->getID(), current_atom->getType());
568        painCave.isFatal = 1;
569        simError();
570      }
571 <    simnfo->dielectric = the_globals->getDielectric();  
572 <  } else {
573 <    if (usesDipoles) {
574 <      
575 <      if( !the_globals->haveECR() ){
576 <        sprintf( painCave.errMsg,
577 <                 "SimSetup Warning: using default value of 1/2 the smallest "
578 <                 "box length for the electrostaticCutoffRadius.\n"
579 <                 "I hope you have a very fast processor!\n");
580 <        painCave.isFatal = 0;
581 <        simError();
582 <        double smallest;
583 <        smallest = simnfo->boxLx;
584 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
585 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
586 <        simnfo->ecr = 0.5 * smallest;
587 <      } else {
588 <        simnfo->ecr        = the_globals->getECR();
589 <      }
590 <      
591 <      if( !the_globals->haveEST() ){
592 <        sprintf( painCave.errMsg,
593 <                 "SimSetup Warning: using default value of 5%% of the "
614 <                 "electrostaticCutoffRadius for the "
615 <                 "electrostaticSkinThickness\n"
616 <                 );
617 <        painCave.isFatal = 0;
618 <        simError();
619 <        simnfo->est = 0.05 * simnfo->ecr;
620 <      } else {
621 <        simnfo->est        = the_globals->getEST();
622 <      }
571 >
572 >    pos[0] = x + current_atom->getPosX();
573 >    pos[1] = y + current_atom->getPosY();
574 >    pos[2] = z + current_atom->getPosZ();
575 >
576 >    info[0].atoms[current_atom_ndx]->setPos(pos);
577 >
578 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
579 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
580 >
581 >      rotMat[0][0] = 1.0;
582 >      rotMat[0][1] = 0.0;
583 >      rotMat[0][2] = 0.0;
584 >
585 >      rotMat[1][0] = 0.0;
586 >      rotMat[1][1] = 1.0;
587 >      rotMat[1][2] = 0.0;
588 >
589 >      rotMat[2][0] = 0.0;
590 >      rotMat[2][1] = 0.0;
591 >      rotMat[2][2] = 1.0;
592 >
593 >      dAtom->setA(rotMat);
594      }
624  }  
595  
596 < #ifdef IS_MPI
597 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
628 <  MPIcheckPoint();
629 < #endif // is_mpi
596 >    current_atom_ndx++;
597 >  }
598  
599 < if( the_globals->haveInitialConfig() ){
600 <
633 <     InitializeFromFile* fileInit;
634 < #ifdef IS_MPI // is_mpi
635 <     if( worldRank == 0 ){
636 < #endif //is_mpi
637 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
638 < #ifdef IS_MPI
639 <     }else fileInit = new InitializeFromFile( NULL );
640 < #endif
641 <   fileInit->read_xyz( simnfo ); // default velocities on
599 >  current_mol++;
600 >  current_comp_mol++;
601  
602 <   delete fileInit;
603 < }
604 < else{
602 >  if (current_comp_mol >= components_nmol[current_comp]){
603 >    current_comp_mol = 0;
604 >    current_comp++;
605 >  }
606 > }
607  
647 #ifdef IS_MPI
608  
609 <  // no init from bass
610 <  
651 <  sprintf( painCave.errMsg,
652 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
653 <  painCave.isFatal;
654 <  simError();
655 <  
656 < #else
609 > void SimSetup::gatherInfo(void){
610 >  int i;
611  
612 <  initFromBass();
612 >  ensembleCase = -1;
613 >  ffCase = -1;
614  
615 +  // set the easy ones first
616  
617 < #endif
618 < }
617 >  for (i = 0; i < nInfo; i++){
618 >    info[i].target_temp = globals->getTargetTemp();
619 >    info[i].dt = globals->getDt();
620 >    info[i].run_time = globals->getRunTime();
621 >  }
622 >  n_components = globals->getNComponents();
623  
664 #ifdef IS_MPI
665  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
666  MPIcheckPoint();
667 #endif // is_mpi
624  
625 +  // get the forceField
626  
627 <  
671 <
672 <  
627 >  strcpy(force_field, globals->getForceField());
628  
629 <  
630 < #ifdef IS_MPI
676 <  if( worldRank == 0 ){
677 < #endif // is_mpi
678 <    
679 <    if( the_globals->haveFinalConfig() ){
680 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
681 <    }
682 <    else{
683 <      strcpy( simnfo->finalName, inFileName );
684 <      char* endTest;
685 <      int nameLength = strlen( simnfo->finalName );
686 <      endTest = &(simnfo->finalName[nameLength - 5]);
687 <      if( !strcmp( endTest, ".bass" ) ){
688 <        strcpy( endTest, ".eor" );
689 <      }
690 <      else if( !strcmp( endTest, ".BASS" ) ){
691 <        strcpy( endTest, ".eor" );
692 <      }
693 <      else{
694 <        endTest = &(simnfo->finalName[nameLength - 4]);
695 <        if( !strcmp( endTest, ".bss" ) ){
696 <          strcpy( endTest, ".eor" );
697 <        }
698 <        else if( !strcmp( endTest, ".mdl" ) ){
699 <          strcpy( endTest, ".eor" );
700 <        }
701 <        else{
702 <          strcat( simnfo->finalName, ".eor" );
703 <        }
704 <      }
705 <    }
706 <    
707 <    // make the sample and status out names
708 <    
709 <    strcpy( simnfo->sampleName, inFileName );
710 <    char* endTest;
711 <    int nameLength = strlen( simnfo->sampleName );
712 <    endTest = &(simnfo->sampleName[nameLength - 5]);
713 <    if( !strcmp( endTest, ".bass" ) ){
714 <      strcpy( endTest, ".dump" );
715 <    }
716 <    else if( !strcmp( endTest, ".BASS" ) ){
717 <      strcpy( endTest, ".dump" );
718 <    }
719 <    else{
720 <      endTest = &(simnfo->sampleName[nameLength - 4]);
721 <      if( !strcmp( endTest, ".bss" ) ){
722 <        strcpy( endTest, ".dump" );
723 <      }
724 <      else if( !strcmp( endTest, ".mdl" ) ){
725 <        strcpy( endTest, ".dump" );
726 <      }
727 <      else{
728 <        strcat( simnfo->sampleName, ".dump" );
729 <      }
730 <    }
731 <    
732 <    strcpy( simnfo->statusName, inFileName );
733 <    nameLength = strlen( simnfo->statusName );
734 <    endTest = &(simnfo->statusName[nameLength - 5]);
735 <    if( !strcmp( endTest, ".bass" ) ){
736 <      strcpy( endTest, ".stat" );
737 <    }
738 <    else if( !strcmp( endTest, ".BASS" ) ){
739 <      strcpy( endTest, ".stat" );
740 <    }
741 <    else{
742 <      endTest = &(simnfo->statusName[nameLength - 4]);
743 <      if( !strcmp( endTest, ".bss" ) ){
744 <        strcpy( endTest, ".stat" );
745 <      }
746 <      else if( !strcmp( endTest, ".mdl" ) ){
747 <        strcpy( endTest, ".stat" );
748 <      }
749 <      else{
750 <        strcat( simnfo->statusName, ".stat" );
751 <      }
752 <    }
753 <    
754 < #ifdef IS_MPI
629 >  if (!strcasecmp(force_field, "DUFF")){
630 >    ffCase = FF_DUFF;
631    }
632 < #endif // is_mpi
633 <  
758 <  // set the status, sample, and themal kick times
759 <  
760 <  if( the_globals->haveSampleTime() ){
761 <    simnfo->sampleTime = the_globals->getSampleTime();
762 <    simnfo->statusTime = simnfo->sampleTime;
763 <    simnfo->thermalTime = simnfo->sampleTime;
632 >  else if (!strcasecmp(force_field, "LJ")){
633 >    ffCase = FF_LJ;
634    }
635 +  else if (!strcasecmp(force_field, "EAM")){
636 +    ffCase = FF_EAM;
637 +  }
638    else{
639 <    simnfo->sampleTime = the_globals->getRunTime();
640 <    simnfo->statusTime = simnfo->sampleTime;
641 <    simnfo->thermalTime = simnfo->sampleTime;
639 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
640 >            force_field);
641 >         painCave.isFatal = 1;
642 >         simError();
643    }
644  
645 <  if( the_globals->haveStatusTime() ){
772 <    simnfo->statusTime = the_globals->getStatusTime();
773 <  }
645 >    // get the ensemble
646  
647 <  if( the_globals->haveThermalTime() ){
648 <    simnfo->thermalTime = the_globals->getThermalTime();
647 >  strcpy(ensemble, globals->getEnsemble());
648 >
649 >  if (!strcasecmp(ensemble, "NVE")){
650 >    ensembleCase = NVE_ENS;
651    }
652 +  else if (!strcasecmp(ensemble, "NVT")){
653 +    ensembleCase = NVT_ENS;
654 +  }
655 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
656 +    ensembleCase = NPTi_ENS;
657 +  }
658 +  else if (!strcasecmp(ensemble, "NPTf")){
659 +    ensembleCase = NPTf_ENS;
660 +  }
661 +  else if (!strcasecmp(ensemble, "NPTxyz")){
662 +    ensembleCase = NPTxyz_ENS;
663 +  }
664 +  else{
665 +    sprintf(painCave.errMsg,
666 +            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
667 +            "\treverting to NVE for this simulation.\n",
668 +            ensemble);
669 +         painCave.isFatal = 0;
670 +         simError();
671 +         strcpy(ensemble, "NVE");
672 +         ensembleCase = NVE_ENS;
673 +  }  
674  
675 <  // check for the temperature set flag
675 >  for (i = 0; i < nInfo; i++){
676 >    strcpy(info[i].ensemble, ensemble);
677  
678 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
678 >    // get the mixing rule
679  
680 +    strcpy(info[i].mixingRule, globals->getMixingRule());
681 +    info[i].usePBC = globals->getPBC();
682 +  }
683  
684 <  // make the integrator
785 <  
786 <  
787 <  NVT*  myNVT = NULL;
788 <  NPTi* myNPTi = NULL;
789 <  NPTf* myNPTf = NULL;
790 <  NPTim* myNPTim = NULL;
684 >  // get the components and calculate the tot_nMol and indvidual n_mol
685  
686 <  switch( ensembleCase ){
686 >  the_components = globals->getComponents();
687 >  components_nmol = new int[n_components];
688  
794  case NVE_ENS:
795    new NVE( simnfo, the_ff );
796    break;
689  
690 <  case NVT_ENS:
691 <    myNVT = new NVT( simnfo, the_ff );
692 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
690 >  if (!globals->haveNMol()){
691 >    // we don't have the total number of molecules, so we assume it is
692 >    // given in each component
693  
694 <    if (the_globals->haveTauThermostat())
695 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
694 >    tot_nmol = 0;
695 >    for (i = 0; i < n_components; i++){
696 >      if (!the_components[i]->haveNMol()){
697 >        // we have a problem
698 >        sprintf(painCave.errMsg,
699 >                "SimSetup Error. No global NMol or component NMol given.\n"
700 >                "\tCannot calculate the number of atoms.\n");
701 >        painCave.isFatal = 1;
702 >        simError();
703 >      }
704  
705 <    else {
706 <      sprintf( painCave.errMsg,
807 <               "SimSetup error: If you use the NVT\n"
808 <               "    ensemble, you must set tauThermostat.\n");
809 <      painCave.isFatal = 1;
810 <      simError();
705 >      tot_nmol += the_components[i]->getNMol();
706 >      components_nmol[i] = the_components[i]->getNMol();
707      }
708 <    break;
708 >  }
709 >  else{
710 >    sprintf(painCave.errMsg,
711 >            "SimSetup error.\n"
712 >            "\tSorry, the ability to specify total"
713 >            " nMols and then give molfractions in the components\n"
714 >            "\tis not currently supported."
715 >            " Please give nMol in the components.\n");
716 >    painCave.isFatal = 1;
717 >    simError();
718 >  }
719  
720 <  case NPTi_ENS:
721 <    myNPTi = new NPTi( simnfo, the_ff );
722 <    myNPTi->setTargetTemp( the_globals->getTargetTemp());
720 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
721 >  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
722 >    sprintf(painCave.errMsg,
723 >            "Sample time is not divisible by dt.\n"
724 >            "\tThis will result in samples that are not uniformly\n"
725 >            "\tdistributed in time.  If this is a problem, change\n"
726 >            "\tyour sampleTime variable.\n");
727 >    painCave.isFatal = 0;
728 >    simError();    
729 >  }
730  
731 <    if (the_globals->haveTargetPressure())
732 <      myNPTi->setTargetPressure(the_globals->getTargetPressure());
733 <    else {
734 <      sprintf( painCave.errMsg,
735 <               "SimSetup error: If you use a constant pressure\n"
736 <               "    ensemble, you must set targetPressure in the BASS file.\n");
737 <      painCave.isFatal = 1;
738 <      simError();
739 <    }
740 <    
741 <    if( the_globals->haveTauThermostat() )
742 <      myNPTi->setTauThermostat( the_globals->getTauThermostat() );
743 <    else{
744 <      sprintf( painCave.errMsg,
745 <               "SimSetup error: If you use an NPT\n"
746 <               "    ensemble, you must set tauThermostat.\n");
747 <      painCave.isFatal = 1;
748 <      simError();
749 <    }
731 >  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
732 >    sprintf(painCave.errMsg,
733 >            "Status time is not divisible by dt.\n"
734 >            "\tThis will result in status reports that are not uniformly\n"
735 >            "\tdistributed in time.  If this is a problem, change \n"
736 >            "\tyour statusTime variable.\n");
737 >    painCave.isFatal = 0;
738 >    simError();    
739 >  }
740 >
741 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
742 >    sprintf(painCave.errMsg,
743 >            "Thermal time is not divisible by dt.\n"
744 >            "\tThis will result in thermalizations that are not uniformly\n"
745 >            "\tdistributed in time.  If this is a problem, change \n"
746 >            "\tyour thermalTime variable.\n");
747 >    painCave.isFatal = 0;
748 >    simError();    
749 >  }  
750 >
751 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
752 >    sprintf(painCave.errMsg,
753 >            "Reset time is not divisible by dt.\n"
754 >            "\tThis will result in integrator resets that are not uniformly\n"
755 >            "\tdistributed in time.  If this is a problem, change\n"
756 >            "\tyour resetTime variable.\n");
757 >    painCave.isFatal = 0;
758 >    simError();    
759 >  }
760  
761 <    if( the_globals->haveTauBarostat() )
839 <      myNPTi->setTauBarostat( the_globals->getTauBarostat() );
840 <    else{
841 <      sprintf( painCave.errMsg,
842 <               "SimSetup error: If you use an NPT\n"
843 <               "    ensemble, you must set tauBarostat.\n");
844 <      painCave.isFatal = 1;
845 <      simError();
846 <    }
847 <    break;
761 >  // set the status, sample, and thermal kick times
762  
763 <  case NPTf_ENS:
764 <    myNPTf = new NPTf( simnfo, the_ff );
765 <    myNPTf->setTargetTemp( the_globals->getTargetTemp());
766 <
767 <    if (the_globals->haveTargetPressure())
768 <      myNPTf->setTargetPressure(the_globals->getTargetPressure());
855 <    else {
856 <      sprintf( painCave.errMsg,
857 <               "SimSetup error: If you use a constant pressure\n"
858 <               "    ensemble, you must set targetPressure in the BASS file.\n");
859 <      painCave.isFatal = 1;
860 <      simError();
861 <    }    
862 <
863 <    if( the_globals->haveTauThermostat() )
864 <      myNPTf->setTauThermostat( the_globals->getTauThermostat() );
763 >  for (i = 0; i < nInfo; i++){
764 >    if (globals->haveSampleTime()){
765 >      info[i].sampleTime = globals->getSampleTime();
766 >      info[i].statusTime = info[i].sampleTime;
767 >      info[i].thermalTime = info[i].sampleTime;
768 >    }
769      else{
770 <      sprintf( painCave.errMsg,
771 <               "SimSetup error: If you use an NPT\n"
772 <               "    ensemble, you must set tauThermostat.\n");
869 <      painCave.isFatal = 1;
870 <      simError();
770 >      info[i].sampleTime = globals->getRunTime();
771 >      info[i].statusTime = info[i].sampleTime;
772 >      info[i].thermalTime = info[i].sampleTime;
773      }
774  
775 <    if( the_globals->haveTauBarostat() )
776 <      myNPTf->setTauBarostat( the_globals->getTauBarostat() );
875 <    else{
876 <      sprintf( painCave.errMsg,
877 <               "SimSetup error: If you use an NPT\n"
878 <               "    ensemble, you must set tauBarostat.\n");
879 <      painCave.isFatal = 1;
880 <      simError();
775 >    if (globals->haveStatusTime()){
776 >      info[i].statusTime = globals->getStatusTime();
777      }
882    break;
883    
884  case NPTim_ENS:
885    myNPTim = new NPTim( simnfo, the_ff );
886    myNPTim->setTargetTemp( the_globals->getTargetTemp());
778  
779 <    if (the_globals->haveTargetPressure())
780 <      myNPTim->setTargetPressure(the_globals->getTargetPressure());
890 <    else {
891 <      sprintf( painCave.errMsg,
892 <               "SimSetup error: If you use a constant pressure\n"
893 <               "    ensemble, you must set targetPressure in the BASS file.\n");
894 <      painCave.isFatal = 1;
895 <      simError();
779 >    if (globals->haveThermalTime()){
780 >      info[i].thermalTime = globals->getThermalTime();
781      }
897    
898    if( the_globals->haveTauThermostat() )
899      myNPTim->setTauThermostat( the_globals->getTauThermostat() );
900    else{
901      sprintf( painCave.errMsg,
902               "SimSetup error: If you use an NPT\n"
903               "    ensemble, you must set tauThermostat.\n");
904      painCave.isFatal = 1;
905      simError();
906    }
782  
783 <    if( the_globals->haveTauBarostat() )
784 <      myNPTim->setTauBarostat( the_globals->getTauBarostat() );
785 <    else{
786 <      sprintf( painCave.errMsg,
912 <               "SimSetup error: If you use an NPT\n"
913 <               "    ensemble, you must set tauBarostat.\n");
914 <      painCave.isFatal = 1;
915 <      simError();
783 >    info[i].resetIntegrator = 0;
784 >    if( globals->haveResetTime() ){
785 >      info[i].resetTime = globals->getResetTime();
786 >      info[i].resetIntegrator = 1;
787      }
917    break;
788  
789 +    // check for the temperature set flag
790      
791 +    if (globals->haveTempSet())
792 +      info[i].setTemp = globals->getTempSet();
793  
794 <  default:
795 <    sprintf( painCave.errMsg,
796 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
797 <    painCave.isFatal = 1;
798 <    simError();
794 >    // check for the extended State init
795 >
796 >    info[i].useInitXSstate = globals->getUseInitXSstate();
797 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
798 >    
799    }
800 +  
801 +  //setup seed for random number generator
802 +  int seedValue;
803  
804 +  if (globals->haveSeed()){
805 +    seedValue = globals->getSeed();
806  
807 < #ifdef IS_MPI
808 <  mpiSim->mpiRefresh();
807 >    if(seedValue / 1E9 == 0){
808 >      sprintf(painCave.errMsg,
809 >              "Seed for sprng library should contain at least 9 digits\n"
810 >              "OOPSE will generate a seed for user\n");
811 >      painCave.isFatal = 0;
812 >      simError();
813 >
814 >      //using seed generated by system instead of invalid seed set by user
815 > #ifndef IS_MPI
816 >      seedValue = make_sprng_seed();
817 > #else
818 >      if (worldRank == 0){
819 >        seedValue = make_sprng_seed();
820 >      }
821 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
822 > #endif      
823 >    }
824 >  }//end of if branch of globals->haveSeed()
825 >  else{
826 >    
827 > #ifndef IS_MPI
828 >    seedValue = make_sprng_seed();
829 > #else
830 >    if (worldRank == 0){
831 >      seedValue = make_sprng_seed();
832 >    }
833 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
834   #endif
835 +  }//end of globals->haveSeed()
836  
837 <  // initialize the Fortran
838 <
935 <
936 <  simnfo->refreshSim();
937 <  
938 <  if( !strcmp( simnfo->mixingRule, "standard") ){
939 <    the_ff->initForceField( LB_MIXING_RULE );
837 >  for (int i = 0; i < nInfo; i++){
838 >    info[i].setSeed(seedValue);
839    }
941  else if( !strcmp( simnfo->mixingRule, "explicit") ){
942    the_ff->initForceField( EXPLICIT_MIXING_RULE );
943  }
944  else{
945    sprintf( painCave.errMsg,
946             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
947             simnfo->mixingRule );
948    painCave.isFatal = 1;
949    simError();
950  }
840  
952
841   #ifdef IS_MPI
842 <  strcpy( checkPointMsg,
955 <          "Successfully intialized the mixingRule for Fortran." );
842 >  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
843    MPIcheckPoint();
844   #endif // is_mpi
845   }
846  
847  
848 < void SimSetup::makeMolecules( void ){
848 > void SimSetup::finalInfoCheck(void){
849 >  int index;
850 >  int usesDipoles;
851 >  int i;
852  
853 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
854 <  molInit info;
965 <  DirectionalAtom* dAtom;
966 <  LinkedAssign* extras;
967 <  LinkedAssign* current_extra;
968 <  AtomStamp* currentAtom;
969 <  BondStamp* currentBond;
970 <  BendStamp* currentBend;
971 <  TorsionStamp* currentTorsion;
853 >  for (i = 0; i < nInfo; i++){
854 >    // check electrostatic parameters
855  
856 <  bond_pair* theBonds;
857 <  bend_set* theBends;
858 <  torsion_set* theTorsions;
856 >    index = 0;
857 >    usesDipoles = 0;
858 >    while ((index < info[i].n_atoms) && !usesDipoles){
859 >      usesDipoles = (info[i].atoms[index])->hasDipole();
860 >      index++;
861 >    }
862  
863 <  
864 <  //init the forceField paramters
863 > #ifdef IS_MPI
864 >    int myUse = usesDipoles;
865 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
866 > #endif //is_mpi
867  
868 <  the_ff->readParams();
868 >    double theEcr, theEst;
869  
870 <  
871 <  // init the atoms
870 >    if (globals->getUseRF()){
871 >      info[i].useReactionField = 1;
872  
873 <  double ux, uy, uz, u, uSqr;
874 <  
875 <  atomOffset = 0;
876 <  excludeOffset = 0;
877 <  for(i=0; i<simnfo->n_mol; i++){
878 <    
879 <    stampID = the_molecules[i].getStampID();
880 <
993 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
994 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
995 <    info.nBends    = comp_stamps[stampID]->getNBends();
996 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
997 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
998 <
999 <    info.myAtoms = &the_atoms[atomOffset];
1000 <    info.myExcludes = &the_excludes[excludeOffset];
1001 <    info.myBonds = new Bond*[info.nBonds];
1002 <    info.myBends = new Bend*[info.nBends];
1003 <    info.myTorsions = new Torsion*[info.nTorsions];
1004 <
1005 <    theBonds = new bond_pair[info.nBonds];
1006 <    theBends = new bend_set[info.nBends];
1007 <    theTorsions = new torsion_set[info.nTorsions];
1008 <    
1009 <    // make the Atoms
1010 <    
1011 <    for(j=0; j<info.nAtoms; j++){
1012 <      
1013 <      currentAtom = comp_stamps[stampID]->getAtom( j );
1014 <      if( currentAtom->haveOrientation() ){
1015 <        
1016 <        dAtom = new DirectionalAtom(j + atomOffset);
1017 <        simnfo->n_oriented++;
1018 <        info.myAtoms[j] = dAtom;
1019 <        
1020 <        ux = currentAtom->getOrntX();
1021 <        uy = currentAtom->getOrntY();
1022 <        uz = currentAtom->getOrntZ();
1023 <        
1024 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
1025 <        
1026 <        u = sqrt( uSqr );
1027 <        ux = ux / u;
1028 <        uy = uy / u;
1029 <        uz = uz / u;
1030 <        
1031 <        dAtom->setSUx( ux );
1032 <        dAtom->setSUy( uy );
1033 <        dAtom->setSUz( uz );
873 >      if (!globals->haveECR()){
874 >        sprintf(painCave.errMsg,
875 >                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
876 >                "\tOOPSE will use a default value of 15.0 angstroms"
877 >                "\tfor the electrostaticCutoffRadius.\n");
878 >        painCave.isFatal = 0;
879 >        simError();
880 >        theEcr = 15.0;
881        }
882        else{
883 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
883 >        theEcr = globals->getECR();
884        }
1038      info.myAtoms[j]->setType( currentAtom->getType() );
1039    
1040 #ifdef IS_MPI
1041      
1042      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
1043      
1044 #endif // is_mpi
1045    }
1046    
1047    // make the bonds
1048    for(j=0; j<info.nBonds; j++){
1049      
1050      currentBond = comp_stamps[stampID]->getBond( j );
1051      theBonds[j].a = currentBond->getA() + atomOffset;
1052      theBonds[j].b = currentBond->getB() + atomOffset;
885  
886 <      exI = theBonds[j].a;
887 <      exJ = theBonds[j].b;
888 <
889 <      // exclude_I must always be the smaller of the pair
890 <      if( exI > exJ ){
891 <        tempEx = exI;
892 <        exI = exJ;
893 <        exJ = tempEx;
886 >      if (!globals->haveEST()){
887 >        sprintf(painCave.errMsg,
888 >                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
889 >                "\tOOPSE will use a default value of\n"
890 >                "\t0.05 * electrostaticCutoffRadius\n"
891 >                "\tfor the electrostaticSkinThickness\n");
892 >        painCave.isFatal = 0;
893 >        simError();
894 >        theEst = 0.05 * theEcr;
895        }
896 < #ifdef IS_MPI
897 <      tempEx = exI;
898 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1066 <      tempEx = exJ;
1067 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1068 <      
1069 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1070 < #else  // isn't MPI
896 >      else{
897 >        theEst = globals->getEST();
898 >      }
899  
900 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1073 < #endif  //is_mpi
1074 <    }
1075 <    excludeOffset += info.nBonds;
900 >      info[i].setDefaultEcr(theEcr, theEst);
901  
902 <    //make the bends
903 <    for(j=0; j<info.nBends; j++){
904 <      
905 <      currentBend = comp_stamps[stampID]->getBend( j );
906 <      theBends[j].a = currentBend->getA() + atomOffset;
907 <      theBends[j].b = currentBend->getB() + atomOffset;
908 <      theBends[j].c = currentBend->getC() + atomOffset;
1084 <          
1085 <      if( currentBend->haveExtras() ){
1086 <            
1087 <        extras = currentBend->getExtras();
1088 <        current_extra = extras;
1089 <            
1090 <        while( current_extra != NULL ){
1091 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
1092 <                
1093 <            switch( current_extra->getType() ){
1094 <              
1095 <            case 0:
1096 <              theBends[j].ghost =
1097 <                current_extra->getInt() + atomOffset;
1098 <              theBends[j].isGhost = 1;
1099 <              break;
1100 <                  
1101 <            case 1:
1102 <              theBends[j].ghost =
1103 <                (int)current_extra->getDouble() + atomOffset;
1104 <              theBends[j].isGhost = 1;
1105 <              break;
1106 <              
1107 <            default:
1108 <              sprintf( painCave.errMsg,
1109 <                       "SimSetup Error: ghostVectorSource was neither a "
1110 <                       "double nor an int.\n"
1111 <                       "-->Bend[%d] in %s\n",
1112 <                       j, comp_stamps[stampID]->getID() );
1113 <              painCave.isFatal = 1;
1114 <              simError();
1115 <            }
1116 <          }
1117 <          
1118 <          else{
1119 <            
1120 <            sprintf( painCave.errMsg,
1121 <                     "SimSetup Error: unhandled bend assignment:\n"
1122 <                     "    -->%s in Bend[%d] in %s\n",
1123 <                     current_extra->getlhs(),
1124 <                     j, comp_stamps[stampID]->getID() );
1125 <            painCave.isFatal = 1;
1126 <            simError();
1127 <          }
1128 <          
1129 <          current_extra = current_extra->getNext();
1130 <        }
902 >      if (!globals->haveDielectric()){
903 >        sprintf(painCave.errMsg,
904 >                "SimSetup Error: No Dielectric constant was set.\n"
905 >                "\tYou are trying to use Reaction Field without"
906 >                "\tsetting a dielectric constant!\n");
907 >        painCave.isFatal = 1;
908 >        simError();
909        }
910 <          
911 <      if( !theBends[j].isGhost ){
912 <            
913 <        exI = theBends[j].a;
914 <        exJ = theBends[j].c;
915 <      }
916 <      else{
910 >      info[i].dielectric = globals->getDielectric();
911 >    }
912 >    else{
913 >      if (usesDipoles){
914 >        if (!globals->haveECR()){
915 >          sprintf(painCave.errMsg,
916 >                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
917 >                  "\tOOPSE will use a default value of 15.0 angstroms"
918 >                  "\tfor the electrostaticCutoffRadius.\n");
919 >          painCave.isFatal = 0;
920 >          simError();
921 >          theEcr = 15.0;
922 >        }
923 >        else{
924 >          theEcr = globals->getECR();
925 >        }
926          
927 <        exI = theBends[j].a;
928 <        exJ = theBends[j].b;
927 >        if (!globals->haveEST()){
928 >          sprintf(painCave.errMsg,
929 >                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
930 >                  "\tOOPSE will use a default value of\n"
931 >                  "\t0.05 * electrostaticCutoffRadius\n"
932 >                  "\tfor the electrostaticSkinThickness\n");
933 >          painCave.isFatal = 0;
934 >          simError();
935 >          theEst = 0.05 * theEcr;
936 >        }
937 >        else{
938 >          theEst = globals->getEST();
939 >        }
940 >        
941 >        info[i].setDefaultEcr(theEcr, theEst);
942        }
1143      
1144      // exclude_I must always be the smaller of the pair
1145      if( exI > exJ ){
1146        tempEx = exI;
1147        exI = exJ;
1148        exJ = tempEx;
1149      }
1150 #ifdef IS_MPI
1151      tempEx = exI;
1152      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1153      tempEx = exJ;
1154      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1155      
1156      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1157 #else  // isn't MPI
1158      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1159 #endif  //is_mpi
943      }
944 <    excludeOffset += info.nBends;
1162 <
1163 <    for(j=0; j<info.nTorsions; j++){
1164 <      
1165 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1166 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1167 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1168 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1169 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1170 <      
1171 <      exI = theTorsions[j].a;
1172 <      exJ = theTorsions[j].d;
1173 <
1174 <      // exclude_I must always be the smaller of the pair
1175 <      if( exI > exJ ){
1176 <        tempEx = exI;
1177 <        exI = exJ;
1178 <        exJ = tempEx;
1179 <      }
944 >  }
945   #ifdef IS_MPI
946 <      tempEx = exI;
947 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
948 <      tempEx = exJ;
949 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
950 <      
951 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
952 < #else  // isn't MPI
1188 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1189 < #endif  //is_mpi
1190 <    }
1191 <    excludeOffset += info.nTorsions;
946 >  strcpy(checkPointMsg, "post processing checks out");
947 >  MPIcheckPoint();
948 > #endif // is_mpi
949 > }
950 >  
951 > void SimSetup::initSystemCoords(void){
952 >  int i;
953  
954 <    
1194 <    // send the arrays off to the forceField for init.
954 >  char* inName;
955  
956 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1197 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1198 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1199 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
956 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
957  
958 +  for (i = 0; i < info[0].n_atoms; i++)
959 +    info[0].atoms[i]->setCoords();
960  
961 <    the_molecules[i].initialize( info );
961 >  if (globals->haveInitialConfig()){
962 >    InitializeFromFile* fileInit;
963 > #ifdef IS_MPI // is_mpi
964 >    if (worldRank == 0){
965 > #endif //is_mpi
966 >      inName = globals->getInitialConfig();
967 >      fileInit = new InitializeFromFile(inName);
968 > #ifdef IS_MPI
969 >    }
970 >    else
971 >      fileInit = new InitializeFromFile(NULL);
972 > #endif
973 >    fileInit->readInit(info); // default velocities on
974  
975 <
1205 <    atomOffset += info.nAtoms;
1206 <    delete[] theBonds;
1207 <    delete[] theBends;
1208 <    delete[] theTorsions;
975 >    delete fileInit;
976    }
977 +  else{
978 +    
979 +    // no init from bass
980 +    
981 +    sprintf(painCave.errMsg,
982 +            "Cannot intialize a simulation without an initial configuration file.\n");
983 +    painCave.isFatal = 1;;
984 +    simError();
985 +    
986 +  }
987  
988   #ifdef IS_MPI
989 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
989 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
990    MPIcheckPoint();
991   #endif // is_mpi
992 + }
993  
1216  // clean up the forcefield
1217  the_ff->calcRcut();
1218  the_ff->cleanMe();
994  
995 < }
995 > void SimSetup::makeOutNames(void){
996 >  int k;
997  
1222 void SimSetup::initFromBass( void ){
998  
999 <  int i, j, k;
1000 <  int n_cells;
1001 <  double cellx, celly, cellz;
1002 <  double temp1, temp2, temp3;
1228 <  int n_per_extra;
1229 <  int n_extra;
1230 <  int have_extra, done;
999 >  for (k = 0; k < nInfo; k++){
1000 > #ifdef IS_MPI
1001 >    if (worldRank == 0){
1002 > #endif // is_mpi
1003  
1004 <  temp1 = (double)tot_nmol / 4.0;
1005 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1006 <  temp3 = ceil( temp2 );
1004 >      if (globals->haveFinalConfig()){
1005 >        strcpy(info[k].finalName, globals->getFinalConfig());
1006 >      }
1007 >      else{
1008 >        strcpy(info[k].finalName, inFileName);
1009 >        char* endTest;
1010 >        int nameLength = strlen(info[k].finalName);
1011 >        endTest = &(info[k].finalName[nameLength - 5]);
1012 >        if (!strcmp(endTest, ".bass")){
1013 >          strcpy(endTest, ".eor");
1014 >        }
1015 >        else if (!strcmp(endTest, ".BASS")){
1016 >          strcpy(endTest, ".eor");
1017 >        }
1018 >        else{
1019 >          endTest = &(info[k].finalName[nameLength - 4]);
1020 >          if (!strcmp(endTest, ".bss")){
1021 >            strcpy(endTest, ".eor");
1022 >          }
1023 >          else if (!strcmp(endTest, ".mdl")){
1024 >            strcpy(endTest, ".eor");
1025 >          }
1026 >          else{
1027 >            strcat(info[k].finalName, ".eor");
1028 >          }
1029 >        }
1030 >      }
1031  
1032 <  have_extra =0;
1237 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1238 <    have_extra =1;
1032 >      // make the sample and status out names
1033  
1034 <    n_cells = (int)temp3 - 1;
1035 <    cellx = simnfo->boxLx / temp3;
1036 <    celly = simnfo->boxLy / temp3;
1037 <    cellz = simnfo->boxLz / temp3;
1038 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1039 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1040 <    n_per_extra = (int)ceil( temp1 );
1034 >      strcpy(info[k].sampleName, inFileName);
1035 >      char* endTest;
1036 >      int nameLength = strlen(info[k].sampleName);
1037 >      endTest = &(info[k].sampleName[nameLength - 5]);
1038 >      if (!strcmp(endTest, ".bass")){
1039 >        strcpy(endTest, ".dump");
1040 >      }
1041 >      else if (!strcmp(endTest, ".BASS")){
1042 >        strcpy(endTest, ".dump");
1043 >      }
1044 >      else{
1045 >        endTest = &(info[k].sampleName[nameLength - 4]);
1046 >        if (!strcmp(endTest, ".bss")){
1047 >          strcpy(endTest, ".dump");
1048 >        }
1049 >        else if (!strcmp(endTest, ".mdl")){
1050 >          strcpy(endTest, ".dump");
1051 >        }
1052 >        else{
1053 >          strcat(info[k].sampleName, ".dump");
1054 >        }
1055 >      }
1056  
1057 <    if( n_per_extra > 4){
1058 <      sprintf( painCave.errMsg,
1059 <               "SimSetup error. There has been an error in constructing"
1060 <               " the non-complete lattice.\n" );
1061 <      painCave.isFatal = 1;
1062 <      simError();
1057 >      strcpy(info[k].statusName, inFileName);
1058 >      nameLength = strlen(info[k].statusName);
1059 >      endTest = &(info[k].statusName[nameLength - 5]);
1060 >      if (!strcmp(endTest, ".bass")){
1061 >        strcpy(endTest, ".stat");
1062 >      }
1063 >      else if (!strcmp(endTest, ".BASS")){
1064 >        strcpy(endTest, ".stat");
1065 >      }
1066 >      else{
1067 >        endTest = &(info[k].statusName[nameLength - 4]);
1068 >        if (!strcmp(endTest, ".bss")){
1069 >          strcpy(endTest, ".stat");
1070 >        }
1071 >        else if (!strcmp(endTest, ".mdl")){
1072 >          strcpy(endTest, ".stat");
1073 >        }
1074 >        else{
1075 >          strcat(info[k].statusName, ".stat");
1076 >        }
1077 >      }
1078 >
1079 > #ifdef IS_MPI
1080 >
1081      }
1082 + #endif // is_mpi
1083    }
1084 <  else{
1257 <    n_cells = (int)temp3;
1258 <    cellx = simnfo->boxLx / temp3;
1259 <    celly = simnfo->boxLy / temp3;
1260 <    cellz = simnfo->boxLz / temp3;
1261 <  }
1084 > }
1085  
1263  current_mol = 0;
1264  current_comp_mol = 0;
1265  current_comp = 0;
1266  current_atom_ndx = 0;
1086  
1087 <  for( i=0; i < n_cells ; i++ ){
1088 <    for( j=0; j < n_cells; j++ ){
1270 <      for( k=0; k < n_cells; k++ ){
1087 > void SimSetup::sysObjectsCreation(void){
1088 >  int i, k;
1089  
1090 <        makeElement( i * cellx,
1273 <                     j * celly,
1274 <                     k * cellz );
1090 >  // create the forceField
1091  
1092 <        makeElement( i * cellx + 0.5 * cellx,
1277 <                     j * celly + 0.5 * celly,
1278 <                     k * cellz );
1092 >  createFF();
1093  
1094 <        makeElement( i * cellx,
1281 <                     j * celly + 0.5 * celly,
1282 <                     k * cellz + 0.5 * cellz );
1094 >  // extract componentList
1095  
1096 <        makeElement( i * cellx + 0.5 * cellx,
1097 <                     j * celly,
1098 <                     k * cellz + 0.5 * cellz );
1099 <      }
1096 >  compList();
1097 >
1098 >  // calc the number of atoms, bond, bends, and torsions
1099 >
1100 >  calcSysValues();
1101 >
1102 > #ifdef IS_MPI
1103 >  // divide the molecules among the processors
1104 >
1105 >  mpiMolDivide();
1106 > #endif //is_mpi
1107 >
1108 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1109 >
1110 >  makeSysArrays();
1111 >
1112 >  // make and initialize the molecules (all but atomic coordinates)
1113 >
1114 >  makeMolecules();
1115 >
1116 >  for (k = 0; k < nInfo; k++){
1117 >    info[k].identArray = new int[info[k].n_atoms];
1118 >    for (i = 0; i < info[k].n_atoms; i++){
1119 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1120      }
1121    }
1122 + }
1123  
1291  if( have_extra ){
1292    done = 0;
1124  
1125 <    int start_ndx;
1126 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1127 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1125 > void SimSetup::createFF(void){
1126 >  switch (ffCase){
1127 >    case FF_DUFF:
1128 >      the_ff = new DUFF();
1129 >      break;
1130  
1131 <        if( i < n_cells ){
1131 >    case FF_LJ:
1132 >      the_ff = new LJFF();
1133 >      break;
1134  
1135 <          if( j < n_cells ){
1136 <            start_ndx = n_cells;
1137 <          }
1303 <          else start_ndx = 0;
1304 <        }
1305 <        else start_ndx = 0;
1135 >    case FF_EAM:
1136 >      the_ff = new EAM_FF();
1137 >      break;
1138  
1139 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1139 >    default:
1140 >      sprintf(painCave.errMsg,
1141 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1142 >      painCave.isFatal = 1;
1143 >      simError();
1144 >  }
1145  
1146 <          makeElement( i * cellx,
1147 <                       j * celly,
1148 <                       k * cellz );
1149 <          done = ( current_mol >= tot_nmol );
1146 > #ifdef IS_MPI
1147 >  strcpy(checkPointMsg, "ForceField creation successful");
1148 >  MPIcheckPoint();
1149 > #endif // is_mpi
1150 > }
1151  
1314          if( !done && n_per_extra > 1 ){
1315            makeElement( i * cellx + 0.5 * cellx,
1316                         j * celly + 0.5 * celly,
1317                         k * cellz );
1318            done = ( current_mol >= tot_nmol );
1319          }
1152  
1153 <          if( !done && n_per_extra > 2){
1154 <            makeElement( i * cellx,
1155 <                         j * celly + 0.5 * celly,
1156 <                         k * cellz + 0.5 * cellz );
1157 <            done = ( current_mol >= tot_nmol );
1158 <          }
1153 > void SimSetup::compList(void){
1154 >  int i;
1155 >  char* id;
1156 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1157 >  LinkedMolStamp* currentStamp = NULL;
1158 >  comp_stamps = new MoleculeStamp * [n_components];
1159  
1160 <          if( !done && n_per_extra > 3){
1161 <            makeElement( i * cellx + 0.5 * cellx,
1162 <                         j * celly,
1163 <                         k * cellz + 0.5 * cellz );
1164 <            done = ( current_mol >= tot_nmol );
1165 <          }
1166 <        }
1160 >  // make an array of molecule stamps that match the components used.
1161 >  // also extract the used stamps out into a separate linked list
1162 >
1163 >  for (i = 0; i < nInfo; i++){
1164 >    info[i].nComponents = n_components;
1165 >    info[i].componentsNmol = components_nmol;
1166 >    info[i].compStamps = comp_stamps;
1167 >    info[i].headStamp = headStamp;
1168 >  }
1169 >
1170 >
1171 >  for (i = 0; i < n_components; i++){
1172 >    id = the_components[i]->getType();
1173 >    comp_stamps[i] = NULL;
1174 >
1175 >    // check to make sure the component isn't already in the list
1176 >
1177 >    comp_stamps[i] = headStamp->match(id);
1178 >    if (comp_stamps[i] == NULL){
1179 >      // extract the component from the list;
1180 >
1181 >      currentStamp = stamps->extractMolStamp(id);
1182 >      if (currentStamp == NULL){
1183 >        sprintf(painCave.errMsg,
1184 >                "SimSetup error: Component \"%s\" was not found in the "
1185 >                "list of declared molecules\n",
1186 >                id);
1187 >        painCave.isFatal = 1;
1188 >        simError();
1189        }
1190 +
1191 +      headStamp->add(currentStamp);
1192 +      comp_stamps[i] = headStamp->match(id);
1193      }
1194    }
1195  
1196 + #ifdef IS_MPI
1197 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1198 +  MPIcheckPoint();
1199 + #endif // is_mpi
1200 + }
1201  
1202 <  for( i=0; i<simnfo->n_atoms; i++ ){
1203 <    simnfo->atoms[i]->set_vx( 0.0 );
1204 <    simnfo->atoms[i]->set_vy( 0.0 );
1205 <    simnfo->atoms[i]->set_vz( 0.0 );
1202 > void SimSetup::calcSysValues(void){
1203 >  int i;
1204 >
1205 >  int* molMembershipArray;
1206 >
1207 >  tot_atoms = 0;
1208 >  tot_bonds = 0;
1209 >  tot_bends = 0;
1210 >  tot_torsions = 0;
1211 >  for (i = 0; i < n_components; i++){
1212 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1213 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1214 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1215 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1216    }
1345 }
1217  
1218 < void SimSetup::makeElement( double x, double y, double z ){
1218 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1219 >  molMembershipArray = new int[tot_atoms];
1220  
1221 <  int k;
1222 <  AtomStamp* current_atom;
1223 <  DirectionalAtom* dAtom;
1224 <  double rotMat[3][3];
1221 >  for (i = 0; i < nInfo; i++){
1222 >    info[i].n_atoms = tot_atoms;
1223 >    info[i].n_bonds = tot_bonds;
1224 >    info[i].n_bends = tot_bends;
1225 >    info[i].n_torsions = tot_torsions;
1226 >    info[i].n_SRI = tot_SRI;
1227 >    info[i].n_mol = tot_nmol;
1228  
1229 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1229 >    info[i].molMembershipArray = molMembershipArray;
1230 >  }
1231 > }
1232  
1233 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1357 <    if( !current_atom->havePosition() ){
1358 <      sprintf( painCave.errMsg,
1359 <               "SimSetup:initFromBass error.\n"
1360 <               "\tComponent %s, atom %s does not have a position specified.\n"
1361 <               "\tThe initialization routine is unable to give a start"
1362 <               " position.\n",
1363 <               comp_stamps[current_comp]->getID(),
1364 <               current_atom->getType() );
1365 <      painCave.isFatal = 1;
1366 <      simError();
1367 <    }
1233 > #ifdef IS_MPI
1234  
1235 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1236 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1237 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1235 > void SimSetup::mpiMolDivide(void){
1236 >  int i, j, k;
1237 >  int localMol, allMol;
1238 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1239  
1240 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1240 >  mpiSim = new mpiSimulation(info);
1241  
1242 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1242 >  globalIndex = mpiSim->divideLabor();
1243  
1244 <      rotMat[0][0] = 1.0;
1378 <      rotMat[0][1] = 0.0;
1379 <      rotMat[0][2] = 0.0;
1244 >  // set up the local variables
1245  
1246 <      rotMat[1][0] = 0.0;
1247 <      rotMat[1][1] = 1.0;
1383 <      rotMat[1][2] = 0.0;
1246 >  mol2proc = mpiSim->getMolToProcMap();
1247 >  molCompType = mpiSim->getMolComponentType();
1248  
1249 <      rotMat[2][0] = 0.0;
1250 <      rotMat[2][1] = 0.0;
1251 <      rotMat[2][2] = 1.0;
1249 >  allMol = 0;
1250 >  localMol = 0;
1251 >  local_atoms = 0;
1252 >  local_bonds = 0;
1253 >  local_bends = 0;
1254 >  local_torsions = 0;
1255 >  globalAtomIndex = 0;
1256  
1257 <      dAtom->setA( rotMat );
1257 >
1258 >  for (i = 0; i < n_components; i++){
1259 >    for (j = 0; j < components_nmol[i]; j++){
1260 >      if (mol2proc[allMol] == worldRank){
1261 >        local_atoms += comp_stamps[i]->getNAtoms();
1262 >        local_bonds += comp_stamps[i]->getNBonds();
1263 >        local_bends += comp_stamps[i]->getNBends();
1264 >        local_torsions += comp_stamps[i]->getNTorsions();
1265 >        localMol++;
1266 >      }      
1267 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1268 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1269 >        globalAtomIndex++;
1270 >      }
1271 >
1272 >      allMol++;
1273      }
1274 +  }
1275 +  local_SRI = local_bonds + local_bends + local_torsions;
1276  
1277 <    current_atom_ndx++;
1277 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1278 >
1279 >  if (local_atoms != info[0].n_atoms){
1280 >    sprintf(painCave.errMsg,
1281 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1282 >            "\tlocalAtom (%d) are not equal.\n",
1283 >            info[0].n_atoms, local_atoms);
1284 >    painCave.isFatal = 1;
1285 >    simError();
1286    }
1287  
1288 <  current_mol++;
1289 <  current_comp_mol++;
1288 >  info[0].n_bonds = local_bonds;
1289 >  info[0].n_bends = local_bends;
1290 >  info[0].n_torsions = local_torsions;
1291 >  info[0].n_SRI = local_SRI;
1292 >  info[0].n_mol = localMol;
1293  
1294 <  if( current_comp_mol >= components_nmol[current_comp] ){
1294 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1295 >  MPIcheckPoint();
1296 > }
1297  
1298 <    current_comp_mol = 0;
1299 <    current_comp++;
1298 > #endif // is_mpi
1299 >
1300 >
1301 > void SimSetup::makeSysArrays(void){
1302 >
1303 > #ifndef IS_MPI
1304 >  int k, j;
1305 > #endif // is_mpi
1306 >  int i, l;
1307 >
1308 >  Atom** the_atoms;
1309 >  Molecule* the_molecules;
1310 >  Exclude** the_excludes;
1311 >
1312 >
1313 >  for (l = 0; l < nInfo; l++){
1314 >    // create the atom and short range interaction arrays
1315 >
1316 >    the_atoms = new Atom * [info[l].n_atoms];
1317 >    the_molecules = new Molecule[info[l].n_mol];
1318 >    int molIndex;
1319 >
1320 >    // initialize the molecule's stampID's
1321 >
1322 > #ifdef IS_MPI
1323 >
1324 >
1325 >    molIndex = 0;
1326 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1327 >      if (mol2proc[i] == worldRank){
1328 >        the_molecules[molIndex].setStampID(molCompType[i]);
1329 >        the_molecules[molIndex].setMyIndex(molIndex);
1330 >        the_molecules[molIndex].setGlobalIndex(i);
1331 >        molIndex++;
1332 >      }
1333 >    }
1334 >
1335 > #else // is_mpi
1336 >
1337 >    molIndex = 0;
1338 >    globalAtomIndex = 0;
1339 >    for (i = 0; i < n_components; i++){
1340 >      for (j = 0; j < components_nmol[i]; j++){
1341 >        the_molecules[molIndex].setStampID(i);
1342 >        the_molecules[molIndex].setMyIndex(molIndex);
1343 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1344 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1345 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1346 >          globalAtomIndex++;
1347 >        }
1348 >        molIndex++;
1349 >      }
1350 >    }
1351 >
1352 >
1353 > #endif // is_mpi
1354 >
1355 >
1356 >    if (info[l].n_SRI){
1357 >      Exclude::createArray(info[l].n_SRI);
1358 >      the_excludes = new Exclude * [info[l].n_SRI];
1359 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1360 >        the_excludes[ex] = new Exclude(ex);
1361 >      }
1362 >      info[l].globalExcludes = new int;
1363 >      info[l].n_exclude = info[l].n_SRI;
1364 >    }
1365 >    else{
1366 >      Exclude::createArray(1);
1367 >      the_excludes = new Exclude * ;
1368 >      the_excludes[0] = new Exclude(0);
1369 >      the_excludes[0]->setPair(0, 0);
1370 >      info[l].globalExcludes = new int;
1371 >      info[l].globalExcludes[0] = 0;
1372 >      info[l].n_exclude = 0;
1373 >    }
1374 >
1375 >    // set the arrays into the SimInfo object
1376 >
1377 >    info[l].atoms = the_atoms;
1378 >    info[l].molecules = the_molecules;
1379 >    info[l].nGlobalExcludes = 0;
1380 >    info[l].excludes = the_excludes;
1381 >
1382 >    the_ff->setSimInfo(info);
1383    }
1384   }
1385 +
1386 + void SimSetup::makeIntegrator(void){
1387 +  int k;
1388 +
1389 +  NVE<RealIntegrator>* myNVE = NULL;
1390 +  NVT<RealIntegrator>* myNVT = NULL;
1391 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1392 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1393 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1394 +  
1395 +  for (k = 0; k < nInfo; k++){
1396 +    switch (ensembleCase){
1397 +      case NVE_ENS:
1398 +        if (globals->haveZconstraints()){
1399 +          setupZConstraint(info[k]);
1400 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1401 +        }
1402 +        else{
1403 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1404 +        }
1405 +        
1406 +        info->the_integrator = myNVE;
1407 +        break;
1408 +
1409 +      case NVT_ENS:
1410 +        if (globals->haveZconstraints()){
1411 +          setupZConstraint(info[k]);
1412 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1413 +        }
1414 +        else
1415 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1416 +
1417 +        myNVT->setTargetTemp(globals->getTargetTemp());
1418 +
1419 +        if (globals->haveTauThermostat())
1420 +          myNVT->setTauThermostat(globals->getTauThermostat());
1421 +        else{
1422 +          sprintf(painCave.errMsg,
1423 +                  "SimSetup error: If you use the NVT\n"
1424 +                  "\tensemble, you must set tauThermostat.\n");
1425 +          painCave.isFatal = 1;
1426 +          simError();
1427 +        }
1428 +
1429 +        info->the_integrator = myNVT;
1430 +        break;
1431 +
1432 +      case NPTi_ENS:
1433 +        if (globals->haveZconstraints()){
1434 +          setupZConstraint(info[k]);
1435 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1436 +        }
1437 +        else
1438 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1439 +
1440 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1441 +
1442 +        if (globals->haveTargetPressure())
1443 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1444 +        else{
1445 +          sprintf(painCave.errMsg,
1446 +                  "SimSetup error: If you use a constant pressure\n"
1447 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1448 +          painCave.isFatal = 1;
1449 +          simError();
1450 +        }
1451 +
1452 +        if (globals->haveTauThermostat())
1453 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1454 +        else{
1455 +          sprintf(painCave.errMsg,
1456 +                  "SimSetup error: If you use an NPT\n"
1457 +                  "\tensemble, you must set tauThermostat.\n");
1458 +          painCave.isFatal = 1;
1459 +          simError();
1460 +        }
1461 +
1462 +        if (globals->haveTauBarostat())
1463 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1464 +        else{
1465 +          sprintf(painCave.errMsg,
1466 +                  "SimSetup error: If you use an NPT\n"
1467 +                  "\tensemble, you must set tauBarostat.\n");
1468 +          painCave.isFatal = 1;
1469 +          simError();
1470 +        }
1471 +
1472 +        info->the_integrator = myNPTi;
1473 +        break;
1474 +
1475 +      case NPTf_ENS:
1476 +        if (globals->haveZconstraints()){
1477 +          setupZConstraint(info[k]);
1478 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1479 +        }
1480 +        else
1481 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1482 +
1483 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1484 +
1485 +        if (globals->haveTargetPressure())
1486 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1487 +        else{
1488 +          sprintf(painCave.errMsg,
1489 +                  "SimSetup error: If you use a constant pressure\n"
1490 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1491 +          painCave.isFatal = 1;
1492 +          simError();
1493 +        }    
1494 +
1495 +        if (globals->haveTauThermostat())
1496 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1497 +
1498 +        else{
1499 +          sprintf(painCave.errMsg,
1500 +                  "SimSetup error: If you use an NPT\n"
1501 +                  "\tensemble, you must set tauThermostat.\n");
1502 +          painCave.isFatal = 1;
1503 +          simError();
1504 +        }
1505 +
1506 +        if (globals->haveTauBarostat())
1507 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1508 +
1509 +        else{
1510 +          sprintf(painCave.errMsg,
1511 +                  "SimSetup error: If you use an NPT\n"
1512 +                  "\tensemble, you must set tauBarostat.\n");
1513 +          painCave.isFatal = 1;
1514 +          simError();
1515 +        }
1516 +
1517 +        info->the_integrator = myNPTf;
1518 +        break;
1519 +
1520 +      case NPTxyz_ENS:
1521 +        if (globals->haveZconstraints()){
1522 +          setupZConstraint(info[k]);
1523 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1524 +        }
1525 +        else
1526 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1527 +
1528 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1529 +
1530 +        if (globals->haveTargetPressure())
1531 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1532 +        else{
1533 +          sprintf(painCave.errMsg,
1534 +                  "SimSetup error: If you use a constant pressure\n"
1535 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1536 +          painCave.isFatal = 1;
1537 +          simError();
1538 +        }    
1539 +
1540 +        if (globals->haveTauThermostat())
1541 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1542 +        else{
1543 +          sprintf(painCave.errMsg,
1544 +                  "SimSetup error: If you use an NPT\n"
1545 +                  "\tensemble, you must set tauThermostat.\n");
1546 +          painCave.isFatal = 1;
1547 +          simError();
1548 +        }
1549 +
1550 +        if (globals->haveTauBarostat())
1551 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1552 +        else{
1553 +          sprintf(painCave.errMsg,
1554 +                  "SimSetup error: If you use an NPT\n"
1555 +                  "\tensemble, you must set tauBarostat.\n");
1556 +          painCave.isFatal = 1;
1557 +          simError();
1558 +        }
1559 +
1560 +        info->the_integrator = myNPTxyz;
1561 +        break;
1562 +
1563 +      default:
1564 +        sprintf(painCave.errMsg,
1565 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1566 +        painCave.isFatal = 1;
1567 +        simError();
1568 +    }
1569 +  }
1570 + }
1571 +
1572 + void SimSetup::initFortran(void){
1573 +  info[0].refreshSim();
1574 +
1575 +  if (!strcmp(info[0].mixingRule, "standard")){
1576 +    the_ff->initForceField(LB_MIXING_RULE);
1577 +  }
1578 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1579 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1580 +  }
1581 +  else{
1582 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1583 +            info[0].mixingRule);
1584 +    painCave.isFatal = 1;
1585 +    simError();
1586 +  }
1587 +
1588 +
1589 + #ifdef IS_MPI
1590 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1591 +  MPIcheckPoint();
1592 + #endif // is_mpi
1593 + }
1594 +
1595 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1596 +  int nZConstraints;
1597 +  ZconStamp** zconStamp;
1598 +
1599 +  if (globals->haveZconstraintTime()){
1600 +    //add sample time of z-constraint  into SimInfo's property list                    
1601 +    DoubleData* zconsTimeProp = new DoubleData();
1602 +    zconsTimeProp->setID(ZCONSTIME_ID);
1603 +    zconsTimeProp->setData(globals->getZconsTime());
1604 +    theInfo.addProperty(zconsTimeProp);
1605 +  }
1606 +  else{
1607 +    sprintf(painCave.errMsg,
1608 +            "ZConstraint error: If you use a ZConstraint,\n"
1609 +            "\tyou must set zconsTime.\n");
1610 +    painCave.isFatal = 1;
1611 +    simError();
1612 +  }
1613 +
1614 +  //push zconsTol into siminfo, if user does not specify
1615 +  //value for zconsTol, a default value will be used
1616 +  DoubleData* zconsTol = new DoubleData();
1617 +  zconsTol->setID(ZCONSTOL_ID);
1618 +  if (globals->haveZconsTol()){
1619 +    zconsTol->setData(globals->getZconsTol());
1620 +  }
1621 +  else{
1622 +    double defaultZConsTol = 0.01;
1623 +    sprintf(painCave.errMsg,
1624 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1625 +            "\tOOPSE will use a default value of %f.\n"
1626 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1627 +            defaultZConsTol);
1628 +    painCave.isFatal = 0;
1629 +    simError();      
1630 +
1631 +    zconsTol->setData(defaultZConsTol);
1632 +  }
1633 +  theInfo.addProperty(zconsTol);
1634 +
1635 +  //set Force Subtraction Policy
1636 +  StringData* zconsForcePolicy = new StringData();
1637 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1638 +
1639 +  if (globals->haveZconsForcePolicy()){
1640 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1641 +  }
1642 +  else{
1643 +    sprintf(painCave.errMsg,
1644 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1645 +            "\tOOPSE will use PolicyByMass.\n"
1646 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1647 +    painCave.isFatal = 0;
1648 +    simError();
1649 +    zconsForcePolicy->setData("BYMASS");
1650 +  }
1651 +
1652 +  theInfo.addProperty(zconsForcePolicy);
1653 +
1654 +  //Determine the name of ouput file and add it into SimInfo's property list
1655 +  //Be careful, do not use inFileName, since it is a pointer which
1656 +  //point to a string at master node, and slave nodes do not contain that string
1657 +
1658 +  string zconsOutput(theInfo.finalName);
1659 +
1660 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1661 +
1662 +  StringData* zconsFilename = new StringData();
1663 +  zconsFilename->setID(ZCONSFILENAME_ID);
1664 +  zconsFilename->setData(zconsOutput);
1665 +
1666 +  theInfo.addProperty(zconsFilename);
1667 +
1668 +  //setup index, pos and other parameters of z-constraint molecules
1669 +  nZConstraints = globals->getNzConstraints();
1670 +  theInfo.nZconstraints = nZConstraints;
1671 +
1672 +  zconStamp = globals->getZconStamp();
1673 +  ZConsParaItem tempParaItem;
1674 +
1675 +  ZConsParaData* zconsParaData = new ZConsParaData();
1676 +  zconsParaData->setID(ZCONSPARADATA_ID);
1677 +
1678 +  for (int i = 0; i < nZConstraints; i++){
1679 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1680 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1681 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1682 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1683 +
1684 +    zconsParaData->addItem(tempParaItem);
1685 +  }
1686 +
1687 +  //check the uniqueness of index  
1688 +  if(!zconsParaData->isIndexUnique()){
1689 +    sprintf(painCave.errMsg,
1690 +            "ZConstraint Error: molIndex is not unique!\n");
1691 +    painCave.isFatal = 1;
1692 +    simError();
1693 +  }
1694 +
1695 +  //sort the parameters by index of molecules
1696 +  zconsParaData->sortByIndex();
1697 +  
1698 +  //push data into siminfo, therefore, we can retrieve later
1699 +  theInfo.addProperty(zconsParaData);
1700 + }

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