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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 605 by gezelter, Tue Jul 15 03:27:24 2003 UTC vs.
Revision 1113 by tim, Thu Apr 15 16:18:26 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"
12 + #include "RigidBody.hpp"
13 + //#include "ConjugateMinimizer.hpp"
14 + #include "OOPSEMinimizer.hpp"
15  
16   #ifdef IS_MPI
17   #include "mpiBASS.h"
# Line 14 | Line 20
20  
21   // some defines for ensemble and Forcefield  cases
22  
23 < #define NVE_ENS   0
24 < #define NVT_ENS   1
25 < #define NPTi_ENS  2
26 < #define NPTf_ENS  3
27 < #define NPTim_ENS 4
22 < #define NPTfm_ENS 5
23 > #define NVE_ENS        0
24 > #define NVT_ENS        1
25 > #define NPTi_ENS       2
26 > #define NPTf_ENS       3
27 > #define NPTxyz_ENS     4
28  
29  
30 < #define FF_DUFF 0
31 < #define FF_LJ   1
30 > #define FF_DUFF  0
31 > #define FF_LJ    1
32 > #define FF_EAM   2
33 > #define FF_H2O   3
34  
35 + using namespace std;
36  
37 + /**
38 + * Check whether dividend is divisble by divisor or not
39 + */
40 + bool isDivisible(double dividend, double divisor){
41 +  double tolerance = 0.000001;
42 +  double quotient;
43 +  double diff;
44 +  int intQuotient;
45 +  
46 +  quotient = dividend / divisor;
47 +
48 +  if (quotient < 0)
49 +    quotient = -quotient;
50 +
51 +  intQuotient = int (quotient + tolerance);
52 +
53 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
54 +
55 +  if (diff <= tolerance)
56 +    return true;
57 +  else
58 +    return false;  
59 + }
60 +
61   SimSetup::SimSetup(){
62 +  
63 +  initSuspend = false;
64 +  isInfoArray = 0;
65 +  nInfo = 1;
66 +
67    stamps = new MakeStamps();
68    globals = new Globals();
69 <  
69 >
70 >
71   #ifdef IS_MPI
72 <  strcpy( checkPointMsg, "SimSetup creation successful" );
72 >  strcpy(checkPointMsg, "SimSetup creation successful");
73    MPIcheckPoint();
74   #endif // IS_MPI
75   }
# Line 41 | Line 79 | SimSetup::~SimSetup(){
79    delete globals;
80   }
81  
82 < void SimSetup::parseFile( char* fileName ){
82 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
83 >  info = the_info;
84 >  nInfo = theNinfo;
85 >  isInfoArray = 1;
86 >  initSuspend = true;
87 > }
88  
89 +
90 + void SimSetup::parseFile(char* fileName){
91   #ifdef IS_MPI
92 <  if( worldRank == 0 ){
92 >  if (worldRank == 0){
93   #endif // is_mpi
94 <    
94 >
95      inFileName = fileName;
96 <    set_interface_stamps( stamps, globals );
97 <    
96 >    set_interface_stamps(stamps, globals);
97 >
98   #ifdef IS_MPI
99      mpiEventInit();
100   #endif
101  
102 <    yacc_BASS( fileName );
102 >    yacc_BASS(fileName);
103  
104   #ifdef IS_MPI
105      throwMPIEvent(NULL);
106    }
107 <  else receiveParse();
107 >  else{
108 >    receiveParse();
109 >  }
110   #endif
111  
112   }
113  
114   #ifdef IS_MPI
115   void SimSetup::receiveParse(void){
116 <
117 <    set_interface_stamps( stamps, globals );
118 <    mpiEventInit();
119 <    MPIcheckPoint();
73 <    mpiEventLoop();
74 <
116 >  set_interface_stamps(stamps, globals);
117 >  mpiEventInit();
118 >  MPIcheckPoint();
119 >  mpiEventLoop();
120   }
121  
122   #endif // is_mpi
123  
124 < void SimSetup::createSim( void ){
124 > void SimSetup::createSim(void){
125  
126 <  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;
126 >  // gather all of the information from the Bass file
127  
128 <  // get the stamps and globals;
92 <  the_stamps = stamps;
93 <  the_globals = globals;
128 >  gatherInfo();
129  
130 <  // 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();
130 >  // creation of complex system objects
131  
132 <  // 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() );
132 >  sysObjectsCreation();
133  
134 <  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 <  }
134 >  // check on the post processing info
135  
136 <  // get the ensemble:
115 <  strcpy( ensemble, the_globals->getEnsemble() );
136 >  finalInfoCheck();
137  
138 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
139 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
140 <  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
141 <    ensembleCase = NPTi_ENS;
142 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
143 <  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
144 <  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;
138 >  // initialize the system coordinates
139 >
140 >  if ( !initSuspend ){
141 >    initSystemCoords();
142 >
143 >    if( !(globals->getUseInitTime()) )
144 >      info[0].currentTime = 0.0;
145    }  
134  strcpy( simnfo->ensemble, ensemble );
146  
147 +  // make the output filenames
148  
149 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
150 < //     the_extendedsystem = new ExtendedSystem( simnfo );
151 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
152 < //     if (the_globals->haveTargetPressure())
153 < //       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 < //     }
149 >  makeOutNames();
150 >  
151 > #ifdef IS_MPI
152 >  mpiSim->mpiRefresh();
153 > #endif
154  
155 < //     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 < //     }
155 >  // initialize the Fortran
156  
157 < //     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 < //     }
157 >  initFortran();
158  
159 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
160 < //     the_extendedsystem = new ExtendedSystem( simnfo );
161 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
159 >  if (globals->haveMinimizer())
160 >    // make minimizer
161 >    makeMinimizer();
162 >  else
163 >    // make the integrator
164 >    makeIntegrator();
165  
166 < //     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 < //     }
166 > }
167  
192  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
193  simnfo->usePBC = the_globals->getPBC();
194          
195  int usesDipoles = 0;
196  switch( ffCase ){
168  
169 <  case FF_DUFF:
170 <    the_ff = new DUFF();
171 <    usesDipoles = 1;
172 <    break;
169 > void SimSetup::makeMolecules(void){
170 >  int i, j, k;
171 >  int exI, exJ, exK, exL, slI, slJ;
172 >  int tempI, tempJ, tempK, tempL;
173 >  int molI;
174 >  int stampID, atomOffset, rbOffset;
175 >  molInit molInfo;
176 >  DirectionalAtom* dAtom;
177 >  RigidBody* myRB;
178 >  StuntDouble* mySD;
179 >  LinkedAssign* extras;
180 >  LinkedAssign* current_extra;
181 >  AtomStamp* currentAtom;
182 >  BondStamp* currentBond;
183 >  BendStamp* currentBend;
184 >  TorsionStamp* currentTorsion;
185 >  RigidBodyStamp* currentRigidBody;
186  
187 <  case FF_LJ:
188 <    the_ff = new LJFF();
189 <    break;
187 >  bond_pair* theBonds;
188 >  bend_set* theBends;
189 >  torsion_set* theTorsions;
190  
191 <  default:
208 <    sprintf( painCave.errMsg,
209 <             "SimSetup Error. Unrecognized force field in case statement.\n");
210 <    painCave.isFatal = 1;
211 <    simError();
212 <  }
191 >  set<int> skipList;
192  
193 < #ifdef IS_MPI
194 <  strcpy( checkPointMsg, "ForceField creation successful" );
195 <  MPIcheckPoint();
217 < #endif // is_mpi
193 >  double phi, theta, psi;
194 >  char* molName;
195 >  char rbName[100];
196  
197 <  // get the components and calculate the tot_nMol and indvidual n_mol
220 <  the_components = the_globals->getComponents();
221 <  components_nmol = new int[n_components];
222 <  comp_stamps = new MoleculeStamp*[n_components];
197 >  //init the forceField paramters
198  
199 <  if( !the_globals->haveNMol() ){
225 <    // we don't have the total number of molecules, so we assume it is
226 <    // given in each component
199 >  the_ff->readParams();
200  
201 <    tot_nmol = 0;
229 <    for( i=0; i<n_components; i++ ){
201 >  // init the atoms
202  
203 <      if( !the_components[i]->haveNMol() ){
204 <        // we have a problem
205 <        sprintf( painCave.errMsg,
206 <                 "SimSetup Error. No global NMol or component NMol"
207 <                 " given. Cannot calculate the number of atoms.\n" );
208 <        painCave.isFatal = 1;
209 <        simError();
210 <      }
203 >  int nMembers, nNew, rb1, rb2;
204 >
205 >  for (k = 0; k < nInfo; k++){
206 >    the_ff->setSimInfo(&(info[k]));
207 >
208 >    atomOffset = 0;
209 >
210 >    for (i = 0; i < info[k].n_mol; i++){
211 >      stampID = info[k].molecules[i].getStampID();
212 >      molName = comp_stamps[stampID]->getID();
213  
214 <      tot_nmol += the_components[i]->getNMol();
215 <      components_nmol[i] = the_components[i]->getNMol();
216 <    }
217 <  }
218 <  else{
219 <    sprintf( painCave.errMsg,
220 <             "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 <  }
214 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
215 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
216 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
217 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
218 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
219 >      
220 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
221  
222 < #ifdef IS_MPI
223 <  strcpy( checkPointMsg, "Have the number of components" );
224 <  MPIcheckPoint();
225 < #endif // is_mpi
222 >      if (molInfo.nBonds > 0)
223 >        molInfo.myBonds = new (Bond *) [molInfo.nBonds];
224 >      else
225 >        molInfo.myBonds = NULL;
226  
227 <  // make an array of molecule stamps that match the components used.
228 <  // also extract the used stamps out into a separate linked list
227 >      if (molInfo.nBends > 0)
228 >        molInfo.myBends = new (Bend *) [molInfo.nBends];
229 >      else
230 >        molInfo.myBends = NULL;
231  
232 <  simnfo->nComponents = n_components;
233 <  simnfo->componentsNmol = components_nmol;
234 <  simnfo->compStamps = comp_stamps;
235 <  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++ ){
232 >      if (molInfo.nTorsions > 0)
233 >        molInfo.myTorsions = new (Torsion *) [molInfo.nTorsions];
234 >      else
235 >        molInfo.myTorsions = NULL;
236  
237 <    id = the_components[i]->getType();
238 <    comp_stamps[i] = NULL;
239 <    
290 <    // check to make sure the component isn't already in the list
291 <
292 <    comp_stamps[i] = headStamp->match( id );
293 <    if( comp_stamps[i] == NULL ){
237 >      theBonds = new bond_pair[molInfo.nBonds];
238 >      theBends = new bend_set[molInfo.nBends];
239 >      theTorsions = new torsion_set[molInfo.nTorsions];
240        
241 <      // extract the component from the list;
296 <      
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 <  }
241 >      // make the Atoms
242  
243 < #ifdef IS_MPI
244 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
314 <  MPIcheckPoint();
315 < #endif // is_mpi
316 <  
243 >      for (j = 0; j < molInfo.nAtoms; j++){
244 >        currentAtom = comp_stamps[stampID]->getAtom(j);
245  
246 +        if (currentAtom->haveOrientation()){
247 +          dAtom = new DirectionalAtom((j + atomOffset),
248 +                                      info[k].getConfiguration());
249 +          info[k].n_oriented++;
250 +          molInfo.myAtoms[j] = dAtom;
251  
252 +          // Directional Atoms have standard unit vectors which are oriented
253 +          // in space using the three Euler angles.  We assume the standard
254 +          // unit vector was originally along the z axis below.
255  
256 <  // caclulate the number of atoms, bonds, bends and torsions
256 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
257 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
258 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
259  
260 <  tot_atoms = 0;
261 <  tot_bonds = 0;
262 <  tot_bends = 0;
263 <  tot_torsions = 0;
326 <  for( i=0; i<n_components; i++ ){
327 <    
328 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
329 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
330 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
331 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
332 <  }
260 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
261 >            
262 >        }
263 >        else{
264  
265 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
265 >          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
266  
267 <  simnfo->n_atoms = tot_atoms;
337 <  simnfo->n_bonds = tot_bonds;
338 <  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];
267 >        }
268  
269 +        molInfo.myAtoms[j]->setType(currentAtom->getType());
270   #ifdef IS_MPI
271  
272 <  // divide the molecules among processors here.
348 <  
349 <  mpiSim = new mpiSimulation( simnfo );
350 <  
351 <  globalIndex = mpiSim->divideLabor();
272 >        molInfo.myAtoms[j]->setGlobalIndex(globalAtomIndex[j + atomOffset]);
273  
274 <  // set up the local variables
275 <  
355 <  int localMol, allMol;
356 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
274 > #endif // is_mpi
275 >      }
276  
277 <  int* mol2proc = mpiSim->getMolToProcMap();
278 <  int* molCompType = mpiSim->getMolComponentType();
279 <  
280 <  allMol = 0;
281 <  localMol = 0;
363 <  local_atoms = 0;
364 <  local_bonds = 0;
365 <  local_bends = 0;
366 <  local_torsions = 0;
367 <  globalAtomIndex = 0;
277 >      // make the bonds
278 >      for (j = 0; j < molInfo.nBonds; j++){
279 >        currentBond = comp_stamps[stampID]->getBond(j);
280 >        theBonds[j].a = currentBond->getA() + atomOffset;
281 >        theBonds[j].b = currentBond->getB() + atomOffset;
282  
283 +        tempI = theBonds[j].a;
284 +        tempJ = theBonds[j].b;
285  
286 <  for( i=0; i<n_components; i++ ){
286 > #ifdef IS_MPI
287 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
288 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
289 > #else
290 >        exI = tempI + 1;
291 >        exJ = tempJ + 1;
292 > #endif
293  
294 <    for( j=0; j<components_nmol[i]; j++ ){
373 <      
374 <      if( mol2proc[allMol] == worldRank ){
375 <        
376 <        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++;
294 >        info[k].excludes->addPair(exI, exJ);
295        }
296  
297 <      allMol++;      
298 <    }
299 <  }
300 <  local_SRI = local_bonds + local_bends + local_torsions;
301 <  
302 <  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 <  }
297 >      //make the bends
298 >      for (j = 0; j < molInfo.nBends; j++){
299 >        currentBend = comp_stamps[stampID]->getBend(j);
300 >        theBends[j].a = currentBend->getA() + atomOffset;
301 >        theBends[j].b = currentBend->getB() + atomOffset;
302 >        theBends[j].c = currentBend->getC() + atomOffset;
303  
304 <  simnfo->n_bonds = local_bonds;
305 <  simnfo->n_bends = local_bends;
306 <  simnfo->n_torsions = local_torsions;
407 <  simnfo->n_SRI = local_SRI;
408 <  simnfo->n_mol = localMol;
304 >        if (currentBend->haveExtras()){
305 >          extras = currentBend->getExtras();
306 >          current_extra = extras;
307  
308 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
309 <  MPIcheckPoint();
310 <  
311 <  
312 < #endif // is_mpi
313 <  
308 >          while (current_extra != NULL){
309 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
310 >              switch (current_extra->getType()){
311 >                case 0:
312 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
313 >                  theBends[j].isGhost = 1;
314 >                  break;
315  
316 <  // create the atom and short range interaction arrays
316 >                case 1:
317 >                  theBends[j].ghost = (int) current_extra->getDouble() +
318 >                                      atomOffset;
319 >                  theBends[j].isGhost = 1;
320 >                  break;
321  
322 <  Atom::createArrays(simnfo->n_atoms);
323 <  the_atoms = new Atom*[simnfo->n_atoms];
324 <  the_molecules = new Molecule[simnfo->n_mol];
325 <  int molIndex;
326 <
327 <  // initialize the molecule's stampID's
322 >                default:
323 >                  sprintf(painCave.errMsg,
324 >                          "SimSetup Error: ghostVectorSource was neither a "
325 >                          "double nor an int.\n"
326 >                          "-->Bend[%d] in %s\n",
327 >                          j, comp_stamps[stampID]->getID());
328 >                  painCave.isFatal = 1;
329 >                  simError();
330 >              }
331 >            }
332 >            else{
333 >              sprintf(painCave.errMsg,
334 >                      "SimSetup Error: unhandled bend assignment:\n"
335 >                      "    -->%s in Bend[%d] in %s\n",
336 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
337 >              painCave.isFatal = 1;
338 >              simError();
339 >            }
340  
341 +            current_extra = current_extra->getNext();
342 +          }
343 +        }
344 +
345 +        if (theBends[j].isGhost) {
346 +          
347 +          tempI = theBends[j].a;
348 +          tempJ = theBends[j].b;
349 +          
350   #ifdef IS_MPI
351 <  
351 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
352 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
353 > #else
354 >          exI = tempI + 1;
355 >          exJ = tempJ + 1;
356 > #endif          
357 >          info[k].excludes->addPair(exI, exJ);
358  
359 <  molIndex = 0;
430 <  for(i=0; i<mpiSim->getTotNmol(); i++){
431 <    
432 <    if(mol2proc[i] == worldRank ){
433 <      the_molecules[molIndex].setStampID( molCompType[i] );
434 <      the_molecules[molIndex].setMyIndex( molIndex );
435 <      the_molecules[molIndex].setGlobalIndex( i );
436 <      molIndex++;
437 <    }
438 <  }
359 >        } else {
360  
361 < #else // is_mpi
362 <  
363 <  molIndex = 0;
364 <  globalAtomIndex = 0;
365 <  for(i=0; i<n_components; i++){
366 <    for(j=0; j<components_nmol[i]; j++ ){
367 <      the_molecules[molIndex].setStampID( i );
368 <      the_molecules[molIndex].setMyIndex( molIndex );
369 <      the_molecules[molIndex].setGlobalIndex( molIndex );
370 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
371 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
372 <        globalAtomIndex++;
361 >          tempI = theBends[j].a;
362 >          tempJ = theBends[j].b;
363 >          tempK = theBends[j].c;
364 >          
365 > #ifdef IS_MPI
366 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
367 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
368 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
369 > #else
370 >          exI = tempI + 1;
371 >          exJ = tempJ + 1;
372 >          exK = tempK + 1;
373 > #endif
374 >          
375 >          info[k].excludes->addPair(exI, exK);
376 >          info[k].excludes->addPair(exI, exJ);
377 >          info[k].excludes->addPair(exJ, exK);
378 >        }
379        }
453      molIndex++;
454    }
455  }
456    
380  
381 < #endif // is_mpi
381 >      for (j = 0; j < molInfo.nTorsions; j++){
382 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
383 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
384 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
385 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
386 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
387  
388 +        tempI = theTorsions[j].a;      
389 +        tempJ = theTorsions[j].b;
390 +        tempK = theTorsions[j].c;
391 +        tempL = theTorsions[j].d;
392  
393 <  if( simnfo->n_SRI ){
394 <    
395 <    Exclude::createArray(simnfo->n_SRI);
396 <    the_excludes = new Exclude*[simnfo->n_SRI];
397 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
398 <    simnfo->globalExcludes = new int;
399 <    simnfo->n_exclude = simnfo->n_SRI;
400 <  }
401 <  else{
402 <    
403 <    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 <  }
393 > #ifdef IS_MPI
394 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
395 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
396 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
397 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
398 > #else
399 >        exI = tempI + 1;
400 >        exJ = tempJ + 1;
401 >        exK = tempK + 1;
402 >        exL = tempL + 1;
403 > #endif
404  
405 <  // set the arrays into the SimInfo object
405 >        info[k].excludes->addPair(exI, exJ);
406 >        info[k].excludes->addPair(exI, exK);
407 >        info[k].excludes->addPair(exI, exL);        
408 >        info[k].excludes->addPair(exJ, exK);
409 >        info[k].excludes->addPair(exJ, exL);
410 >        info[k].excludes->addPair(exK, exL);
411 >      }
412  
413 <  simnfo->atoms = the_atoms;
414 <  simnfo->molecules = the_molecules;
415 <  simnfo->nGlobalExcludes = 0;
416 <  simnfo->excludes = the_excludes;
413 >      
414 >      molInfo.myRigidBodies.clear();
415 >      
416 >      for (j = 0; j < molInfo.nRigidBodies; j++){
417  
418 +        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
419 +        nMembers = currentRigidBody->getNMembers();
420  
421 <  // get some of the tricky things that may still be in the globals
421 >        // Create the Rigid Body:
422  
423 <  double boxVector[3];
491 <  if( the_globals->haveBox() ){
492 <    boxVector[0] = the_globals->getBox();
493 <    boxVector[1] = the_globals->getBox();
494 <    boxVector[2] = the_globals->getBox();
495 <    
496 <    simnfo->setBox( boxVector );
497 <  }
498 <  else if( the_globals->haveDensity() ){
423 >        myRB = new RigidBody();
424  
425 <    double vol;
426 <    vol = (double)tot_nmol / the_globals->getDensity();
427 <     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
428 <     boxVector[1] = boxVector[0];
504 <     boxVector[2] = boxVector[0];
425 >        sprintf(rbName,"%s_RB_%d", molName, j);
426 >        myRB->setType(rbName);
427 >        
428 >        for (rb1 = 0; rb1 < nMembers; rb1++) {
429  
430 <    simnfo->setBox( boxVector );
431 <  }
508 <  else{
509 <    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();
430 >          // molI is atom numbering inside this molecule
431 >          molI = currentRigidBody->getMember(rb1);    
432  
433 <    if( !the_globals->haveBoxY() ){
434 <      sprintf( painCave.errMsg,
519 <               "SimSetup error, no periodic BoxY size given.\n" );
520 <      painCave.isFatal = 1;
521 <      simError();
522 <    }
523 <    boxVector[1] = the_globals->getBoxY();
433 >          // tempI is atom numbering on local processor
434 >          tempI = molI + atomOffset;
435  
436 <    if( !the_globals->haveBoxZ() ){
437 <      sprintf( painCave.errMsg,
438 <               "SimSetup error, no periodic BoxZ size given.\n" );
528 <      painCave.isFatal = 1;
529 <      simError();
530 <    }
531 <    boxVector[2] = the_globals->getBoxZ();
436 >          // currentAtom is the AtomStamp (which we need for
437 >          // rigid body reference positions)
438 >          currentAtom = comp_stamps[stampID]->getAtom(molI);
439  
440 <    simnfo->setBox( boxVector );
441 <  }
440 >          // When we add to the rigid body, add the atom itself and
441 >          // the stamp info:
442  
443 +          myRB->addAtom(info[k].atoms[tempI], currentAtom);
444 +          
445 +          // Add this atom to the Skip List for the integrators
446   #ifdef IS_MPI
447 <  strcpy( checkPointMsg, "Box size set up" );
448 <  MPIcheckPoint();
449 < #endif // is_mpi
447 >          slI = info[k].atoms[tempI]->getGlobalIndex();
448 > #else
449 >          slI = tempI;
450 > #endif
451 >          skipList.insert(slI);
452 >          
453 >        }
454 >        
455 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
456 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
457 >            
458 >            tempI = currentRigidBody->getMember(rb1);
459 >            tempJ = currentRigidBody->getMember(rb2);
460 >            
461 >            // Some explanation is required here.
462 >            // Fortran indexing starts at 1, while c indexing starts at 0
463 >            // Also, in parallel computations, the GlobalIndex is
464 >            // used for the exclude list:
465 >            
466 > #ifdef IS_MPI
467 >            exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
468 >            exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
469 > #else
470 >            exI = tempI + 1;
471 >            exJ = tempJ + 1;
472 > #endif
473 >            
474 >            info[k].excludes->addPair(exI, exJ);
475 >            
476 >          }
477 >        }
478  
479 +        molInfo.myRigidBodies.push_back(myRB);
480 +        info[k].rigidBodies.push_back(myRB);
481 +      }
482 +      
483  
484 <  // initialize the arrays
484 >      // After this is all set up, scan through the atoms to
485 >      // see if they can be added to the integrableObjects:
486  
487 <  the_ff->setSimInfo( simnfo );
487 >      molInfo.myIntegrableObjects.clear();
488 >      
489  
490 <  makeMolecules();
547 <  simnfo->identArray = new int[simnfo->n_atoms];
548 <  for(i=0; i<simnfo->n_atoms; i++){
549 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
550 <  }
551 <  
552 <  if (the_globals->getUseRF() ) {
553 <    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 <    }
490 >      for (j = 0; j < molInfo.nAtoms; j++){
491  
492 <    if( !the_globals->haveEST() ){
493 <      sprintf( painCave.errMsg,
494 <               "SimSetup Warning: using default value of 0.05 * the "
495 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
496 <               );
497 <      painCave.isFatal = 0;
498 <      simError();
499 <      simnfo->est = 0.05 * simnfo->ecr;
500 <    } else {
501 <      simnfo->est        = the_globals->getEST();
502 <    }
492 > #ifdef IS_MPI
493 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
494 > #else
495 >        slJ = j+atomOffset;
496 > #endif
497 >
498 >        // if they aren't on the skip list, then they can be integrated
499 >
500 >        if (skipList.find(slJ) == skipList.end()) {
501 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
502 >          info[k].integrableObjects.push_back(mySD);
503 >          molInfo.myIntegrableObjects.push_back(mySD);
504 >        }
505 >      }
506 >
507 >      // all rigid bodies are integrated:
508 >
509 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
510 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
511 >        info[k].integrableObjects.push_back(mySD);      
512 >        molInfo.myIntegrableObjects.push_back(mySD);
513 >      }
514      
583    if(!the_globals->haveDielectric() ){
584      sprintf( painCave.errMsg,
585               "SimSetup Error: You are trying to use Reaction Field without"
586               "setting a dielectric constant!\n"
587               );
588      painCave.isFatal = 1;
589      simError();
590    }
591    simnfo->dielectric = the_globals->getDielectric();  
592  } else {
593    if (usesDipoles) {
515        
516 <      if( !the_globals->haveECR() ){
596 <        sprintf( painCave.errMsg,
597 <                 "SimSetup Warning: using default value of 1/2 the smallest "
598 <                 "box length for the electrostaticCutoffRadius.\n"
599 <                 "I hope you have a very fast processor!\n");
600 <        painCave.isFatal = 0;
601 <        simError();
602 <        double smallest;
603 <        smallest = simnfo->boxLx;
604 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
605 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
606 <        simnfo->ecr = 0.5 * smallest;
607 <      } else {
608 <        simnfo->ecr        = the_globals->getECR();
609 <      }
516 >      // send the arrays off to the forceField for init.
517        
518 <      if( !the_globals->haveEST() ){
519 <        sprintf( painCave.errMsg,
520 <                 "SimSetup Warning: using default value of 5%% of the "
521 <                 "electrostaticCutoffRadius for the "
522 <                 "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 <      }
623 <    }
624 <  }  
518 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
519 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
520 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
521 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
522 >                                 theTorsions);
523  
524 +      info[k].molecules[i].initialize(molInfo);
525 +
526 +
527 +      atomOffset += molInfo.nAtoms;
528 +      delete[] theBonds;
529 +      delete[] theBends;
530 +      delete[] theTorsions;
531 +    }    
532 +  }
533 +
534   #ifdef IS_MPI
535 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
535 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
536    MPIcheckPoint();
537   #endif // is_mpi
538  
539 < if( the_globals->haveInitialConfig() ){
632 <
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
539 >  // clean up the forcefield
540  
541 <   delete fileInit;
644 < }
645 < else{
541 >  if (!globals->haveLJrcut()){
542  
543 < #ifdef IS_MPI
543 >    the_ff->calcRcut();
544  
545 <  // no init from bass
546 <  
547 <  sprintf( painCave.errMsg,
548 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
653 <  painCave.isFatal;
654 <  simError();
655 <  
656 < #else
545 >  } else {
546 >    
547 >    the_ff->setRcut( globals->getLJrcut() );
548 >  }
549  
550 <  initFromBass();
550 >  the_ff->cleanMe();
551 > }
552  
553 + void SimSetup::initFromBass(void){
554 +  int i, j, k;
555 +  int n_cells;
556 +  double cellx, celly, cellz;
557 +  double temp1, temp2, temp3;
558 +  int n_per_extra;
559 +  int n_extra;
560 +  int have_extra, done;
561  
562 < #endif
563 < }
562 >  double vel[3];
563 >  vel[0] = 0.0;
564 >  vel[1] = 0.0;
565 >  vel[2] = 0.0;
566  
567 < #ifdef IS_MPI
568 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
569 <  MPIcheckPoint();
667 < #endif // is_mpi
567 >  temp1 = (double) tot_nmol / 4.0;
568 >  temp2 = pow(temp1, (1.0 / 3.0));
569 >  temp3 = ceil(temp2);
570  
571 +  have_extra = 0;
572 +  if (temp2 < temp3){
573 +    // we have a non-complete lattice
574 +    have_extra = 1;
575  
576 <  
577 <
578 <  
576 >    n_cells = (int) temp3 - 1;
577 >    cellx = info[0].boxL[0] / temp3;
578 >    celly = info[0].boxL[1] / temp3;
579 >    cellz = info[0].boxL[2] / temp3;
580 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
581 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
582 >    n_per_extra = (int) ceil(temp1);
583  
584 <  
585 < #ifdef IS_MPI
586 <  if( worldRank == 0 ){
587 < #endif // is_mpi
588 <    
589 <    if( the_globals->haveFinalConfig() ){
680 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
584 >    if (n_per_extra > 4){
585 >      sprintf(painCave.errMsg,
586 >              "SimSetup error. There has been an error in constructing"
587 >              " the non-complete lattice.\n");
588 >      painCave.isFatal = 1;
589 >      simError();
590      }
591 <    else{
592 <      strcpy( simnfo->finalName, inFileName );
593 <      char* endTest;
594 <      int nameLength = strlen( simnfo->finalName );
595 <      endTest = &(simnfo->finalName[nameLength - 5]);
596 <      if( !strcmp( endTest, ".bass" ) ){
597 <        strcpy( endTest, ".eor" );
591 >  }
592 >  else{
593 >    n_cells = (int) temp3;
594 >    cellx = info[0].boxL[0] / temp3;
595 >    celly = info[0].boxL[1] / temp3;
596 >    cellz = info[0].boxL[2] / temp3;
597 >  }
598 >
599 >  current_mol = 0;
600 >  current_comp_mol = 0;
601 >  current_comp = 0;
602 >  current_atom_ndx = 0;
603 >
604 >  for (i = 0; i < n_cells ; i++){
605 >    for (j = 0; j < n_cells; j++){
606 >      for (k = 0; k < n_cells; k++){
607 >        makeElement(i * cellx, j * celly, k * cellz);
608 >
609 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
610 >
611 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
612 >
613 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
614        }
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      }
615      }
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
616    }
756 #endif // is_mpi
757  
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;
764  }
765  else{
766    simnfo->sampleTime = the_globals->getRunTime();
767    simnfo->statusTime = simnfo->sampleTime;
768    simnfo->thermalTime = simnfo->sampleTime;
769  }
617  
618 <  if( the_globals->haveStatusTime() ){
619 <    simnfo->statusTime = the_globals->getStatusTime();
773 <  }
618 >  if (have_extra){
619 >    done = 0;
620  
621 <  if( the_globals->haveThermalTime() ){
622 <    simnfo->thermalTime = the_globals->getThermalTime();
623 <  }
621 >    int start_ndx;
622 >    for (i = 0; i < (n_cells + 1) && !done; i++){
623 >      for (j = 0; j < (n_cells + 1) && !done; j++){
624 >        if (i < n_cells){
625 >          if (j < n_cells){
626 >            start_ndx = n_cells;
627 >          }
628 >          else
629 >            start_ndx = 0;
630 >        }
631 >        else
632 >          start_ndx = 0;
633  
634 <  // check for the temperature set flag
634 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
635 >          makeElement(i * cellx, j * celly, k * cellz);
636 >          done = (current_mol >= tot_nmol);
637  
638 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
638 >          if (!done && n_per_extra > 1){
639 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
640 >                        k * cellz);
641 >            done = (current_mol >= tot_nmol);
642 >          }
643  
644 +          if (!done && n_per_extra > 2){
645 +            makeElement(i * cellx, j * celly + 0.5 * celly,
646 +                        k * cellz + 0.5 * cellz);
647 +            done = (current_mol >= tot_nmol);
648 +          }
649  
650 <  // make the integrator
651 <  
652 <  
653 <  NVT*  myNVT = NULL;
654 <  NPTi* myNPTi = NULL;
655 <  NPTf* myNPTf = NULL;
656 <  NPTim* myNPTim = NULL;
791 <  NPTfm* myNPTfm = NULL;
792 <
793 <  switch( ensembleCase ){
794 <
795 <  case NVE_ENS:
796 <    new NVE( simnfo, the_ff );
797 <    break;
798 <
799 <  case NVT_ENS:
800 <    myNVT = new NVT( simnfo, the_ff );
801 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
802 <
803 <    if (the_globals->haveTauThermostat())
804 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
805 <
806 <    else {
807 <      sprintf( painCave.errMsg,
808 <               "SimSetup error: If you use the NVT\n"
809 <               "    ensemble, you must set tauThermostat.\n");
810 <      painCave.isFatal = 1;
811 <      simError();
650 >          if (!done && n_per_extra > 3){
651 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
652 >                        k * cellz + 0.5 * cellz);
653 >            done = (current_mol >= tot_nmol);
654 >          }
655 >        }
656 >      }
657      }
658 <    break;
658 >  }
659  
660 <  case NPTi_ENS:
661 <    myNPTi = new NPTi( simnfo, the_ff );
662 <    myNPTi->setTargetTemp( the_globals->getTargetTemp());
660 >  for (i = 0; i < info[0].n_atoms; i++){
661 >    info[0].atoms[i]->setVel(vel);
662 >  }
663 > }
664  
665 <    if (the_globals->haveTargetPressure())
666 <      myNPTi->setTargetPressure(the_globals->getTargetPressure());
667 <    else {
668 <      sprintf( painCave.errMsg,
669 <               "SimSetup error: If you use a constant pressure\n"
670 <               "    ensemble, you must set targetPressure in the BASS file.\n");
825 <      painCave.isFatal = 1;
826 <      simError();
827 <    }
828 <    
829 <    if( the_globals->haveTauThermostat() )
830 <      myNPTi->setTauThermostat( the_globals->getTauThermostat() );
831 <    else{
832 <      sprintf( painCave.errMsg,
833 <               "SimSetup error: If you use an NPT\n"
834 <               "    ensemble, you must set tauThermostat.\n");
835 <      painCave.isFatal = 1;
836 <      simError();
837 <    }
665 > void SimSetup::makeElement(double x, double y, double z){
666 >  int k;
667 >  AtomStamp* current_atom;
668 >  DirectionalAtom* dAtom;
669 >  double rotMat[3][3];
670 >  double pos[3];
671  
672 <    if( the_globals->haveTauBarostat() )
673 <      myNPTi->setTauBarostat( the_globals->getTauBarostat() );
674 <    else{
675 <      sprintf( painCave.errMsg,
676 <               "SimSetup error: If you use an NPT\n"
677 <               "    ensemble, you must set tauBarostat.\n");
672 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
673 >    current_atom = comp_stamps[current_comp]->getAtom(k);
674 >    if (!current_atom->havePosition()){
675 >      sprintf(painCave.errMsg,
676 >              "SimSetup:initFromBass error.\n"
677 >              "\tComponent %s, atom %s does not have a position specified.\n"
678 >              "\tThe initialization routine is unable to give a start"
679 >              " position.\n",
680 >              comp_stamps[current_comp]->getID(), current_atom->getType());
681        painCave.isFatal = 1;
682        simError();
683      }
848    break;
684  
685 <  case NPTf_ENS:
686 <    myNPTf = new NPTf( simnfo, the_ff );
687 <    myNPTf->setTargetTemp( the_globals->getTargetTemp());
685 >    pos[0] = x + current_atom->getPosX();
686 >    pos[1] = y + current_atom->getPosY();
687 >    pos[2] = z + current_atom->getPosZ();
688  
689 <    if (the_globals->haveTargetPressure())
855 <      myNPTf->setTargetPressure(the_globals->getTargetPressure());
856 <    else {
857 <      sprintf( painCave.errMsg,
858 <               "SimSetup error: If you use a constant pressure\n"
859 <               "    ensemble, you must set targetPressure in the BASS file.\n");
860 <      painCave.isFatal = 1;
861 <      simError();
862 <    }    
689 >    info[0].atoms[current_atom_ndx]->setPos(pos);
690  
691 <    if( the_globals->haveTauThermostat() )
692 <      myNPTf->setTauThermostat( the_globals->getTauThermostat() );
866 <    else{
867 <      sprintf( painCave.errMsg,
868 <               "SimSetup error: If you use an NPT\n"
869 <               "    ensemble, you must set tauThermostat.\n");
870 <      painCave.isFatal = 1;
871 <      simError();
872 <    }
691 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
692 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
693  
694 <    if( the_globals->haveTauBarostat() )
695 <      myNPTf->setTauBarostat( the_globals->getTauBarostat() );
696 <    else{
877 <      sprintf( painCave.errMsg,
878 <               "SimSetup error: If you use an NPT\n"
879 <               "    ensemble, you must set tauBarostat.\n");
880 <      painCave.isFatal = 1;
881 <      simError();
882 <    }
883 <    break;
884 <    
885 <  case NPTim_ENS:
886 <    myNPTim = new NPTim( simnfo, the_ff );
887 <    myNPTim->setTargetTemp( the_globals->getTargetTemp());
694 >      rotMat[0][0] = 1.0;
695 >      rotMat[0][1] = 0.0;
696 >      rotMat[0][2] = 0.0;
697  
698 <    if (the_globals->haveTargetPressure())
699 <      myNPTim->setTargetPressure(the_globals->getTargetPressure());
700 <    else {
892 <      sprintf( painCave.errMsg,
893 <               "SimSetup error: If you use a constant pressure\n"
894 <               "    ensemble, you must set targetPressure in the BASS file.\n");
895 <      painCave.isFatal = 1;
896 <      simError();
897 <    }
898 <    
899 <    if( the_globals->haveTauThermostat() )
900 <      myNPTim->setTauThermostat( the_globals->getTauThermostat() );
901 <    else{
902 <      sprintf( painCave.errMsg,
903 <               "SimSetup error: If you use an NPT\n"
904 <               "    ensemble, you must set tauThermostat.\n");
905 <      painCave.isFatal = 1;
906 <      simError();
907 <    }
698 >      rotMat[1][0] = 0.0;
699 >      rotMat[1][1] = 1.0;
700 >      rotMat[1][2] = 0.0;
701  
702 <    if( the_globals->haveTauBarostat() )
703 <      myNPTim->setTauBarostat( the_globals->getTauBarostat() );
704 <    else{
912 <      sprintf( painCave.errMsg,
913 <               "SimSetup error: If you use an NPT\n"
914 <               "    ensemble, you must set tauBarostat.\n");
915 <      painCave.isFatal = 1;
916 <      simError();
917 <    }
918 <    break;
919 <
920 <  case NPTfm_ENS:
921 <    myNPTfm = new NPTfm( simnfo, the_ff );
922 <    myNPTfm->setTargetTemp( the_globals->getTargetTemp());
702 >      rotMat[2][0] = 0.0;
703 >      rotMat[2][1] = 0.0;
704 >      rotMat[2][2] = 1.0;
705  
706 <    if (the_globals->haveTargetPressure())
925 <      myNPTfm->setTargetPressure(the_globals->getTargetPressure());
926 <    else {
927 <      sprintf( painCave.errMsg,
928 <               "SimSetup error: If you use a constant pressure\n"
929 <               "    ensemble, you must set targetPressure in the BASS file.\n");
930 <      painCave.isFatal = 1;
931 <      simError();
706 >      dAtom->setA(rotMat);
707      }
933    
934    if( the_globals->haveTauThermostat() )
935      myNPTfm->setTauThermostat( the_globals->getTauThermostat() );
936    else{
937      sprintf( painCave.errMsg,
938               "SimSetup error: If you use an NPT\n"
939               "    ensemble, you must set tauThermostat.\n");
940      painCave.isFatal = 1;
941      simError();
942    }
708  
709 <    if( the_globals->haveTauBarostat() )
710 <      myNPTfm->setTauBarostat( the_globals->getTauBarostat() );
946 <    else{
947 <      sprintf( painCave.errMsg,
948 <               "SimSetup error: If you use an NPT\n"
949 <               "    ensemble, you must set tauBarostat.\n");
950 <      painCave.isFatal = 1;
951 <      simError();
952 <    }
953 <    break;
709 >    current_atom_ndx++;
710 >  }
711  
712 <  default:
713 <    sprintf( painCave.errMsg,
714 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
715 <    painCave.isFatal = 1;
716 <    simError();
712 >  current_mol++;
713 >  current_comp_mol++;
714 >
715 >  if (current_comp_mol >= components_nmol[current_comp]){
716 >    current_comp_mol = 0;
717 >    current_comp++;
718    }
719 + }
720  
721  
722 < #ifdef IS_MPI
723 <  mpiSim->mpiRefresh();
965 < #endif
722 > void SimSetup::gatherInfo(void){
723 >  int i;
724  
725 <  // initialize the Fortran
725 >  ensembleCase = -1;
726 >  ffCase = -1;
727  
728 +  // set the easy ones first
729  
730 <  simnfo->refreshSim();
731 <  
732 <  if( !strcmp( simnfo->mixingRule, "standard") ){
733 <    the_ff->initForceField( LB_MIXING_RULE );
730 >  for (i = 0; i < nInfo; i++){
731 >    info[i].target_temp = globals->getTargetTemp();
732 >    info[i].dt = globals->getDt();
733 >    info[i].run_time = globals->getRunTime();
734    }
735 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
736 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
735 >  n_components = globals->getNComponents();
736 >
737 >
738 >  // get the forceField
739 >
740 >  strcpy(force_field, globals->getForceField());
741 >
742 >  if (!strcasecmp(force_field, "DUFF")){
743 >    ffCase = FF_DUFF;
744    }
745 +  else if (!strcasecmp(force_field, "LJ")){
746 +    ffCase = FF_LJ;
747 +  }
748 +  else if (!strcasecmp(force_field, "EAM")){
749 +    ffCase = FF_EAM;
750 +  }
751 +  else if (!strcasecmp(force_field, "WATER")){
752 +    ffCase = FF_H2O;
753 +  }
754    else{
755 <    sprintf( painCave.errMsg,
756 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
757 <             simnfo->mixingRule );
758 <    painCave.isFatal = 1;
983 <    simError();
755 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
756 >            force_field);
757 >         painCave.isFatal = 1;
758 >         simError();
759    }
760  
761 +    // get the ensemble
762  
763 < #ifdef IS_MPI
988 <  strcpy( checkPointMsg,
989 <          "Successfully intialized the mixingRule for Fortran." );
990 <  MPIcheckPoint();
991 < #endif // is_mpi
992 < }
763 >  strcpy(ensemble, globals->getEnsemble());
764  
765 +  if (!strcasecmp(ensemble, "NVE")){
766 +    ensembleCase = NVE_ENS;
767 +  }
768 +  else if (!strcasecmp(ensemble, "NVT")){
769 +    ensembleCase = NVT_ENS;
770 +  }
771 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
772 +    ensembleCase = NPTi_ENS;
773 +  }
774 +  else if (!strcasecmp(ensemble, "NPTf")){
775 +    ensembleCase = NPTf_ENS;
776 +  }
777 +  else if (!strcasecmp(ensemble, "NPTxyz")){
778 +    ensembleCase = NPTxyz_ENS;
779 +  }
780 +  else{
781 +    sprintf(painCave.errMsg,
782 +            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
783 +            "\treverting to NVE for this simulation.\n",
784 +            ensemble);
785 +         painCave.isFatal = 0;
786 +         simError();
787 +         strcpy(ensemble, "NVE");
788 +         ensembleCase = NVE_ENS;
789 +  }  
790  
791 < void SimSetup::makeMolecules( void ){
791 >  for (i = 0; i < nInfo; i++){
792 >    strcpy(info[i].ensemble, ensemble);
793  
794 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
998 <  molInit info;
999 <  DirectionalAtom* dAtom;
1000 <  LinkedAssign* extras;
1001 <  LinkedAssign* current_extra;
1002 <  AtomStamp* currentAtom;
1003 <  BondStamp* currentBond;
1004 <  BendStamp* currentBend;
1005 <  TorsionStamp* currentTorsion;
794 >    // get the mixing rule
795  
796 <  bond_pair* theBonds;
797 <  bend_set* theBends;
798 <  torsion_set* theTorsions;
796 >    strcpy(info[i].mixingRule, globals->getMixingRule());
797 >    info[i].usePBC = globals->getPBC();
798 >  }
799  
800 <  
1012 <  //init the forceField paramters
800 >  // get the components and calculate the tot_nMol and indvidual n_mol
801  
802 <  the_ff->readParams();
802 >  the_components = globals->getComponents();
803 >  components_nmol = new int[n_components];
804  
1016  
1017  // init the atoms
805  
806 <  double ux, uy, uz, u, uSqr;
807 <  
808 <  atomOffset = 0;
1022 <  excludeOffset = 0;
1023 <  for(i=0; i<simnfo->n_mol; i++){
1024 <    
1025 <    stampID = the_molecules[i].getStampID();
806 >  if (!globals->haveNMol()){
807 >    // we don't have the total number of molecules, so we assume it is
808 >    // given in each component
809  
810 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
811 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
812 <    info.nBends    = comp_stamps[stampID]->getNBends();
813 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
814 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
815 <
816 <    info.myAtoms = &the_atoms[atomOffset];
817 <    info.myExcludes = &the_excludes[excludeOffset];
818 <    info.myBonds = new Bond*[info.nBonds];
1036 <    info.myBends = new Bend*[info.nBends];
1037 <    info.myTorsions = new Torsion*[info.nTorsions];
1038 <
1039 <    theBonds = new bond_pair[info.nBonds];
1040 <    theBends = new bend_set[info.nBends];
1041 <    theTorsions = new torsion_set[info.nTorsions];
1042 <    
1043 <    // make the Atoms
1044 <    
1045 <    for(j=0; j<info.nAtoms; j++){
1046 <      
1047 <      currentAtom = comp_stamps[stampID]->getAtom( j );
1048 <      if( currentAtom->haveOrientation() ){
1049 <        
1050 <        dAtom = new DirectionalAtom(j + atomOffset);
1051 <        simnfo->n_oriented++;
1052 <        info.myAtoms[j] = dAtom;
1053 <        
1054 <        ux = currentAtom->getOrntX();
1055 <        uy = currentAtom->getOrntY();
1056 <        uz = currentAtom->getOrntZ();
1057 <        
1058 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
1059 <        
1060 <        u = sqrt( uSqr );
1061 <        ux = ux / u;
1062 <        uy = uy / u;
1063 <        uz = uz / u;
1064 <        
1065 <        dAtom->setSUx( ux );
1066 <        dAtom->setSUy( uy );
1067 <        dAtom->setSUz( uz );
810 >    tot_nmol = 0;
811 >    for (i = 0; i < n_components; i++){
812 >      if (!the_components[i]->haveNMol()){
813 >        // we have a problem
814 >        sprintf(painCave.errMsg,
815 >                "SimSetup Error. No global NMol or component NMol given.\n"
816 >                "\tCannot calculate the number of atoms.\n");
817 >        painCave.isFatal = 1;
818 >        simError();
819        }
820 <      else{
821 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
822 <      }
823 <      info.myAtoms[j]->setType( currentAtom->getType() );
820 >
821 >      tot_nmol += the_components[i]->getNMol();
822 >      components_nmol[i] = the_components[i]->getNMol();
823 >    }
824 >  }
825 >  else{
826 >    sprintf(painCave.errMsg,
827 >            "SimSetup error.\n"
828 >            "\tSorry, the ability to specify total"
829 >            " nMols and then give molfractions in the components\n"
830 >            "\tis not currently supported."
831 >            " Please give nMol in the components.\n");
832 >    painCave.isFatal = 1;
833 >    simError();
834 >  }
835 >
836 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
837 >  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
838 >    sprintf(painCave.errMsg,
839 >            "Sample time is not divisible by dt.\n"
840 >            "\tThis will result in samples that are not uniformly\n"
841 >            "\tdistributed in time.  If this is a problem, change\n"
842 >            "\tyour sampleTime variable.\n");
843 >    painCave.isFatal = 0;
844 >    simError();    
845 >  }
846 >
847 >  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
848 >    sprintf(painCave.errMsg,
849 >            "Status time is not divisible by dt.\n"
850 >            "\tThis will result in status reports that are not uniformly\n"
851 >            "\tdistributed in time.  If this is a problem, change \n"
852 >            "\tyour statusTime variable.\n");
853 >    painCave.isFatal = 0;
854 >    simError();    
855 >  }
856 >
857 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
858 >    sprintf(painCave.errMsg,
859 >            "Thermal time is not divisible by dt.\n"
860 >            "\tThis will result in thermalizations that are not uniformly\n"
861 >            "\tdistributed in time.  If this is a problem, change \n"
862 >            "\tyour thermalTime variable.\n");
863 >    painCave.isFatal = 0;
864 >    simError();    
865 >  }  
866 >
867 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
868 >    sprintf(painCave.errMsg,
869 >            "Reset time is not divisible by dt.\n"
870 >            "\tThis will result in integrator resets that are not uniformly\n"
871 >            "\tdistributed in time.  If this is a problem, change\n"
872 >            "\tyour resetTime variable.\n");
873 >    painCave.isFatal = 0;
874 >    simError();    
875 >  }
876 >
877 >  // set the status, sample, and thermal kick times
878 >
879 >  for (i = 0; i < nInfo; i++){
880 >    if (globals->haveSampleTime()){
881 >      info[i].sampleTime = globals->getSampleTime();
882 >      info[i].statusTime = info[i].sampleTime;
883 >      info[i].thermalTime = info[i].sampleTime;
884 >    }
885 >    else{
886 >      info[i].sampleTime = globals->getRunTime();
887 >      info[i].statusTime = info[i].sampleTime;
888 >      info[i].thermalTime = info[i].sampleTime;
889 >    }
890 >
891 >    if (globals->haveStatusTime()){
892 >      info[i].statusTime = globals->getStatusTime();
893 >    }
894 >
895 >    if (globals->haveThermalTime()){
896 >      info[i].thermalTime = globals->getThermalTime();
897 >    }
898 >
899 >    info[i].resetIntegrator = 0;
900 >    if( globals->haveResetTime() ){
901 >      info[i].resetTime = globals->getResetTime();
902 >      info[i].resetIntegrator = 1;
903 >    }
904 >
905 >    // check for the temperature set flag
906      
907 < #ifdef IS_MPI
908 <      
909 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
910 <      
911 < #endif // is_mpi
912 <    }
907 >    if (globals->haveTempSet())
908 >      info[i].setTemp = globals->getTempSet();
909 >
910 >    // check for the extended State init
911 >
912 >    info[i].useInitXSstate = globals->getUseInitXSstate();
913 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
914      
915 <    // make the bonds
916 <    for(j=0; j<info.nBonds; j++){
917 <      
918 <      currentBond = comp_stamps[stampID]->getBond( j );
1085 <      theBonds[j].a = currentBond->getA() + atomOffset;
1086 <      theBonds[j].b = currentBond->getB() + atomOffset;
915 >  }
916 >  
917 >  //setup seed for random number generator
918 >  int seedValue;
919  
920 <      exI = theBonds[j].a;
921 <      exJ = theBonds[j].b;
920 >  if (globals->haveSeed()){
921 >    seedValue = globals->getSeed();
922  
923 <      // exclude_I must always be the smaller of the pair
924 <      if( exI > exJ ){
925 <        tempEx = exI;
926 <        exI = exJ;
927 <        exJ = tempEx;
923 >    if(seedValue / 1E9 == 0){
924 >      sprintf(painCave.errMsg,
925 >              "Seed for sprng library should contain at least 9 digits\n"
926 >              "OOPSE will generate a seed for user\n");
927 >      painCave.isFatal = 0;
928 >      simError();
929 >
930 >      //using seed generated by system instead of invalid seed set by user
931 > #ifndef IS_MPI
932 >      seedValue = make_sprng_seed();
933 > #else
934 >      if (worldRank == 0){
935 >        seedValue = make_sprng_seed();
936        }
937 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
938 + #endif      
939 +    }
940 +  }//end of if branch of globals->haveSeed()
941 +  else{
942 +    
943 + #ifndef IS_MPI
944 +    seedValue = make_sprng_seed();
945 + #else
946 +    if (worldRank == 0){
947 +      seedValue = make_sprng_seed();
948 +    }
949 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
950 + #endif
951 +  }//end of globals->haveSeed()
952 +
953 +  for (int i = 0; i < nInfo; i++){
954 +    info[i].setSeed(seedValue);
955 +  }
956 +  
957   #ifdef IS_MPI
958 <      tempEx = exI;
959 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
960 <      tempEx = exJ;
961 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1102 <      
1103 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1104 < #else  // isn't MPI
958 >  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
959 >  MPIcheckPoint();
960 > #endif // is_mpi
961 > }
962  
963 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
964 < #endif  //is_mpi
963 >
964 > void SimSetup::finalInfoCheck(void){
965 >  int index;
966 >  int usesDipoles;
967 >  int usesCharges;
968 >  int i;
969 >
970 >  for (i = 0; i < nInfo; i++){
971 >    // check electrostatic parameters
972 >
973 >    index = 0;
974 >    usesDipoles = 0;
975 >    while ((index < info[i].n_atoms) && !usesDipoles){
976 >      usesDipoles = (info[i].atoms[index])->hasDipole();
977 >      index++;
978      }
979 <    excludeOffset += info.nBonds;
979 >    index = 0;
980 >    usesCharges = 0;
981 >    while ((index < info[i].n_atoms) && !usesCharges){
982 >      usesCharges= (info[i].atoms[index])->hasCharge();
983 >      index++;
984 >    }
985 > #ifdef IS_MPI
986 >    int myUse = usesDipoles;
987 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
988 > #endif //is_mpi
989  
990 <    //make the bends
991 <    for(j=0; j<info.nBends; j++){
992 <      
993 <      currentBend = comp_stamps[stampID]->getBend( j );
994 <      theBends[j].a = currentBend->getA() + atomOffset;
995 <      theBends[j].b = currentBend->getB() + atomOffset;
996 <      theBends[j].c = currentBend->getC() + atomOffset;
997 <          
998 <      if( currentBend->haveExtras() ){
999 <            
1000 <        extras = currentBend->getExtras();
1001 <        current_extra = extras;
1002 <            
1124 <        while( current_extra != NULL ){
1125 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
1126 <                
1127 <            switch( current_extra->getType() ){
1128 <              
1129 <            case 0:
1130 <              theBends[j].ghost =
1131 <                current_extra->getInt() + atomOffset;
1132 <              theBends[j].isGhost = 1;
1133 <              break;
1134 <                  
1135 <            case 1:
1136 <              theBends[j].ghost =
1137 <                (int)current_extra->getDouble() + atomOffset;
1138 <              theBends[j].isGhost = 1;
1139 <              break;
1140 <              
1141 <            default:
1142 <              sprintf( painCave.errMsg,
1143 <                       "SimSetup Error: ghostVectorSource was neither a "
1144 <                       "double nor an int.\n"
1145 <                       "-->Bend[%d] in %s\n",
1146 <                       j, comp_stamps[stampID]->getID() );
1147 <              painCave.isFatal = 1;
1148 <              simError();
1149 <            }
1150 <          }
1151 <          
1152 <          else{
1153 <            
1154 <            sprintf( painCave.errMsg,
1155 <                     "SimSetup Error: unhandled bend assignment:\n"
1156 <                     "    -->%s in Bend[%d] in %s\n",
1157 <                     current_extra->getlhs(),
1158 <                     j, comp_stamps[stampID]->getID() );
1159 <            painCave.isFatal = 1;
1160 <            simError();
1161 <          }
1162 <          
1163 <          current_extra = current_extra->getNext();
1164 <        }
990 >    double theEcr, theEst;
991 >
992 >    if (globals->getUseRF()){
993 >      info[i].useReactionField = 1;
994 >
995 >      if (!globals->haveECR()){
996 >        sprintf(painCave.errMsg,
997 >                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
998 >                "\tOOPSE will use a default value of 15.0 angstroms"
999 >                "\tfor the electrostaticCutoffRadius.\n");
1000 >        painCave.isFatal = 0;
1001 >        simError();
1002 >        theEcr = 15.0;
1003        }
1166          
1167      if( !theBends[j].isGhost ){
1168            
1169        exI = theBends[j].a;
1170        exJ = theBends[j].c;
1171      }
1004        else{
1005 <        
1174 <        exI = theBends[j].a;
1175 <        exJ = theBends[j].b;
1005 >        theEcr = globals->getECR();
1006        }
1007 <      
1008 <      // exclude_I must always be the smaller of the pair
1009 <      if( exI > exJ ){
1010 <        tempEx = exI;
1011 <        exI = exJ;
1012 <        exJ = tempEx;
1007 >
1008 >      if (!globals->haveEST()){
1009 >        sprintf(painCave.errMsg,
1010 >                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
1011 >                "\tOOPSE will use a default value of\n"
1012 >                "\t0.05 * electrostaticCutoffRadius\n"
1013 >                "\tfor the electrostaticSkinThickness\n");
1014 >        painCave.isFatal = 0;
1015 >        simError();
1016 >        theEst = 0.05 * theEcr;
1017        }
1018 < #ifdef IS_MPI
1019 <      tempEx = exI;
1020 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1187 <      tempEx = exJ;
1188 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1189 <      
1190 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1191 < #else  // isn't MPI
1192 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1193 < #endif  //is_mpi
1194 <    }
1195 <    excludeOffset += info.nBends;
1018 >      else{
1019 >        theEst = globals->getEST();
1020 >      }
1021  
1022 <    for(j=0; j<info.nTorsions; j++){
1198 <      
1199 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1200 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1201 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1202 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1203 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1204 <      
1205 <      exI = theTorsions[j].a;
1206 <      exJ = theTorsions[j].d;
1022 >      info[i].setDefaultEcr(theEcr, theEst);
1023  
1024 <      // exclude_I must always be the smaller of the pair
1025 <      if( exI > exJ ){
1026 <        tempEx = exI;
1027 <        exI = exJ;
1028 <        exJ = tempEx;
1024 >      if (!globals->haveDielectric()){
1025 >        sprintf(painCave.errMsg,
1026 >                "SimSetup Error: No Dielectric constant was set.\n"
1027 >                "\tYou are trying to use Reaction Field without"
1028 >                "\tsetting a dielectric constant!\n");
1029 >        painCave.isFatal = 1;
1030 >        simError();
1031        }
1032 < #ifdef IS_MPI
1215 <      tempEx = exI;
1216 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1217 <      tempEx = exJ;
1218 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1219 <      
1220 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1221 < #else  // isn't MPI
1222 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1223 < #endif  //is_mpi
1032 >      info[i].dielectric = globals->getDielectric();
1033      }
1034 <    excludeOffset += info.nTorsions;
1034 >    else{
1035 >      if (usesDipoles || usesCharges){
1036 >        if (!globals->haveECR()){
1037 >          sprintf(painCave.errMsg,
1038 >                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
1039 >                  "\tOOPSE will use a default value of 15.0 angstroms"
1040 >                  "\tfor the electrostaticCutoffRadius.\n");
1041 >          painCave.isFatal = 0;
1042 >          simError();
1043 >          theEcr = 15.0;
1044 >        }
1045 >        else{
1046 >          theEcr = globals->getECR();
1047 >        }
1048 >        
1049 >        if (!globals->haveEST()){
1050 >          sprintf(painCave.errMsg,
1051 >                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
1052 >                  "\tOOPSE will use a default value of\n"
1053 >                  "\t0.05 * electrostaticCutoffRadius\n"
1054 >                  "\tfor the electrostaticSkinThickness\n");
1055 >          painCave.isFatal = 0;
1056 >          simError();
1057 >          theEst = 0.05 * theEcr;
1058 >        }
1059 >        else{
1060 >          theEst = globals->getEST();
1061 >        }
1062 >        
1063 >        info[i].setDefaultEcr(theEcr, theEst);
1064 >      }
1065 >    }
1066 >  }
1067 > #ifdef IS_MPI
1068 >  strcpy(checkPointMsg, "post processing checks out");
1069 >  MPIcheckPoint();
1070 > #endif // is_mpi
1071 > }
1072 >  
1073 > void SimSetup::initSystemCoords(void){
1074 >  int i;
1075  
1076 <    
1228 <    // send the arrays off to the forceField for init.
1076 >  char* inName;
1077  
1078 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1231 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1232 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1233 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1078 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1079  
1080 +  for (i = 0; i < info[0].n_atoms; i++)
1081 +    info[0].atoms[i]->setCoords();
1082  
1083 <    the_molecules[i].initialize( info );
1083 >  if (globals->haveInitialConfig()){
1084 >    InitializeFromFile* fileInit;
1085 > #ifdef IS_MPI // is_mpi
1086 >    if (worldRank == 0){
1087 > #endif //is_mpi
1088 >      inName = globals->getInitialConfig();
1089 >      fileInit = new InitializeFromFile(inName);
1090 > #ifdef IS_MPI
1091 >    }
1092 >    else
1093 >      fileInit = new InitializeFromFile(NULL);
1094 > #endif
1095 >    fileInit->readInit(info); // default velocities on
1096  
1097 <
1239 <    atomOffset += info.nAtoms;
1240 <    delete[] theBonds;
1241 <    delete[] theBends;
1242 <    delete[] theTorsions;
1097 >    delete fileInit;
1098    }
1099 +  else{
1100 +    
1101 +    // no init from bass
1102 +    
1103 +    sprintf(painCave.errMsg,
1104 +            "Cannot intialize a simulation without an initial configuration file.\n");
1105 +    painCave.isFatal = 1;;
1106 +    simError();
1107 +    
1108 +  }
1109  
1110   #ifdef IS_MPI
1111 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1111 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1112    MPIcheckPoint();
1113   #endif // is_mpi
1249
1250  // clean up the forcefield
1251  the_ff->calcRcut();
1252  the_ff->cleanMe();
1253
1114   }
1115  
1256 void SimSetup::initFromBass( void ){
1116  
1117 <  int i, j, k;
1118 <  int n_cells;
1260 <  double cellx, celly, cellz;
1261 <  double temp1, temp2, temp3;
1262 <  int n_per_extra;
1263 <  int n_extra;
1264 <  int have_extra, done;
1117 > void SimSetup::makeOutNames(void){
1118 >  int k;
1119  
1266  temp1 = (double)tot_nmol / 4.0;
1267  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1268  temp3 = ceil( temp2 );
1120  
1121 <  have_extra =0;
1122 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1123 <    have_extra =1;
1121 >  for (k = 0; k < nInfo; k++){
1122 > #ifdef IS_MPI
1123 >    if (worldRank == 0){
1124 > #endif // is_mpi
1125  
1126 <    n_cells = (int)temp3 - 1;
1127 <    cellx = simnfo->boxLx / temp3;
1128 <    celly = simnfo->boxLy / temp3;
1129 <    cellz = simnfo->boxLz / temp3;
1130 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1131 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1132 <    n_per_extra = (int)ceil( temp1 );
1126 >      if (globals->haveFinalConfig()){
1127 >        strcpy(info[k].finalName, globals->getFinalConfig());
1128 >      }
1129 >      else{
1130 >        strcpy(info[k].finalName, inFileName);
1131 >        char* endTest;
1132 >        int nameLength = strlen(info[k].finalName);
1133 >        endTest = &(info[k].finalName[nameLength - 5]);
1134 >        if (!strcmp(endTest, ".bass")){
1135 >          strcpy(endTest, ".eor");
1136 >        }
1137 >        else if (!strcmp(endTest, ".BASS")){
1138 >          strcpy(endTest, ".eor");
1139 >        }
1140 >        else{
1141 >          endTest = &(info[k].finalName[nameLength - 4]);
1142 >          if (!strcmp(endTest, ".bss")){
1143 >            strcpy(endTest, ".eor");
1144 >          }
1145 >          else if (!strcmp(endTest, ".mdl")){
1146 >            strcpy(endTest, ".eor");
1147 >          }
1148 >          else{
1149 >            strcat(info[k].finalName, ".eor");
1150 >          }
1151 >        }
1152 >      }
1153  
1154 <    if( n_per_extra > 4){
1155 <      sprintf( painCave.errMsg,
1156 <               "SimSetup error. There has been an error in constructing"
1157 <               " the non-complete lattice.\n" );
1158 <      painCave.isFatal = 1;
1159 <      simError();
1154 >      // make the sample and status out names
1155 >
1156 >      strcpy(info[k].sampleName, inFileName);
1157 >      char* endTest;
1158 >      int nameLength = strlen(info[k].sampleName);
1159 >      endTest = &(info[k].sampleName[nameLength - 5]);
1160 >      if (!strcmp(endTest, ".bass")){
1161 >        strcpy(endTest, ".dump");
1162 >      }
1163 >      else if (!strcmp(endTest, ".BASS")){
1164 >        strcpy(endTest, ".dump");
1165 >      }
1166 >      else{
1167 >        endTest = &(info[k].sampleName[nameLength - 4]);
1168 >        if (!strcmp(endTest, ".bss")){
1169 >          strcpy(endTest, ".dump");
1170 >        }
1171 >        else if (!strcmp(endTest, ".mdl")){
1172 >          strcpy(endTest, ".dump");
1173 >        }
1174 >        else{
1175 >          strcat(info[k].sampleName, ".dump");
1176 >        }
1177 >      }
1178 >
1179 >      strcpy(info[k].statusName, inFileName);
1180 >      nameLength = strlen(info[k].statusName);
1181 >      endTest = &(info[k].statusName[nameLength - 5]);
1182 >      if (!strcmp(endTest, ".bass")){
1183 >        strcpy(endTest, ".stat");
1184 >      }
1185 >      else if (!strcmp(endTest, ".BASS")){
1186 >        strcpy(endTest, ".stat");
1187 >      }
1188 >      else{
1189 >        endTest = &(info[k].statusName[nameLength - 4]);
1190 >        if (!strcmp(endTest, ".bss")){
1191 >          strcpy(endTest, ".stat");
1192 >        }
1193 >        else if (!strcmp(endTest, ".mdl")){
1194 >          strcpy(endTest, ".stat");
1195 >        }
1196 >        else{
1197 >          strcat(info[k].statusName, ".stat");
1198 >        }
1199 >      }
1200 >
1201 > #ifdef IS_MPI
1202 >
1203      }
1204 + #endif // is_mpi
1205    }
1206 <  else{
1291 <    n_cells = (int)temp3;
1292 <    cellx = simnfo->boxLx / temp3;
1293 <    celly = simnfo->boxLy / temp3;
1294 <    cellz = simnfo->boxLz / temp3;
1295 <  }
1206 > }
1207  
1297  current_mol = 0;
1298  current_comp_mol = 0;
1299  current_comp = 0;
1300  current_atom_ndx = 0;
1208  
1209 <  for( i=0; i < n_cells ; i++ ){
1210 <    for( j=0; j < n_cells; j++ ){
1304 <      for( k=0; k < n_cells; k++ ){
1209 > void SimSetup::sysObjectsCreation(void){
1210 >  int i, k;
1211  
1212 <        makeElement( i * cellx,
1307 <                     j * celly,
1308 <                     k * cellz );
1212 >  // create the forceField
1213  
1214 <        makeElement( i * cellx + 0.5 * cellx,
1311 <                     j * celly + 0.5 * celly,
1312 <                     k * cellz );
1214 >  createFF();
1215  
1216 <        makeElement( i * cellx,
1315 <                     j * celly + 0.5 * celly,
1316 <                     k * cellz + 0.5 * cellz );
1216 >  // extract componentList
1217  
1218 <        makeElement( i * cellx + 0.5 * cellx,
1319 <                     j * celly,
1320 <                     k * cellz + 0.5 * cellz );
1321 <      }
1322 <    }
1323 <  }
1218 >  compList();
1219  
1220 <  if( have_extra ){
1326 <    done = 0;
1220 >  // calc the number of atoms, bond, bends, and torsions
1221  
1222 <    int start_ndx;
1329 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1330 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1222 >  calcSysValues();
1223  
1224 <        if( i < n_cells ){
1224 > #ifdef IS_MPI
1225 >  // divide the molecules among the processors
1226  
1227 <          if( j < n_cells ){
1228 <            start_ndx = n_cells;
1336 <          }
1337 <          else start_ndx = 0;
1338 <        }
1339 <        else start_ndx = 0;
1227 >  mpiMolDivide();
1228 > #endif //is_mpi
1229  
1230 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1230 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1231  
1232 <          makeElement( i * cellx,
1344 <                       j * celly,
1345 <                       k * cellz );
1346 <          done = ( current_mol >= tot_nmol );
1232 >  makeSysArrays();
1233  
1234 <          if( !done && n_per_extra > 1 ){
1349 <            makeElement( i * cellx + 0.5 * cellx,
1350 <                         j * celly + 0.5 * celly,
1351 <                         k * cellz );
1352 <            done = ( current_mol >= tot_nmol );
1353 <          }
1234 >  // make and initialize the molecules (all but atomic coordinates)
1235  
1236 <          if( !done && n_per_extra > 2){
1356 <            makeElement( i * cellx,
1357 <                         j * celly + 0.5 * celly,
1358 <                         k * cellz + 0.5 * cellz );
1359 <            done = ( current_mol >= tot_nmol );
1360 <          }
1236 >  makeMolecules();
1237  
1238 <          if( !done && n_per_extra > 3){
1239 <            makeElement( i * cellx + 0.5 * cellx,
1240 <                         j * celly,
1241 <                         k * cellz + 0.5 * cellz );
1366 <            done = ( current_mol >= tot_nmol );
1367 <          }
1368 <        }
1369 <      }
1238 >  for (k = 0; k < nInfo; k++){
1239 >    info[k].identArray = new int[info[k].n_atoms];
1240 >    for (i = 0; i < info[k].n_atoms; i++){
1241 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1242      }
1243    }
1244 + }
1245  
1246  
1247 <  for( i=0; i<simnfo->n_atoms; i++ ){
1248 <    simnfo->atoms[i]->set_vx( 0.0 );
1249 <    simnfo->atoms[i]->set_vy( 0.0 );
1250 <    simnfo->atoms[i]->set_vz( 0.0 );
1251 <  }
1379 < }
1247 > void SimSetup::createFF(void){
1248 >  switch (ffCase){
1249 >    case FF_DUFF:
1250 >      the_ff = new DUFF();
1251 >      break;
1252  
1253 < void SimSetup::makeElement( double x, double y, double z ){
1253 >    case FF_LJ:
1254 >      the_ff = new LJFF();
1255 >      break;
1256  
1257 <  int k;
1258 <  AtomStamp* current_atom;
1259 <  DirectionalAtom* dAtom;
1386 <  double rotMat[3][3];
1257 >    case FF_EAM:
1258 >      the_ff = new EAM_FF();
1259 >      break;
1260  
1261 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1261 >    case FF_H2O:
1262 >      the_ff = new WATER();
1263 >      break;
1264  
1265 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1266 <    if( !current_atom->havePosition() ){
1267 <      sprintf( painCave.errMsg,
1393 <               "SimSetup:initFromBass error.\n"
1394 <               "\tComponent %s, atom %s does not have a position specified.\n"
1395 <               "\tThe initialization routine is unable to give a start"
1396 <               " position.\n",
1397 <               comp_stamps[current_comp]->getID(),
1398 <               current_atom->getType() );
1265 >    default:
1266 >      sprintf(painCave.errMsg,
1267 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1268        painCave.isFatal = 1;
1269        simError();
1270 <    }
1270 >  }
1271  
1272 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1273 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1274 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1272 > #ifdef IS_MPI
1273 >  strcpy(checkPointMsg, "ForceField creation successful");
1274 >  MPIcheckPoint();
1275 > #endif // is_mpi
1276 > }
1277  
1407    if( the_atoms[current_atom_ndx]->isDirectional() ){
1278  
1279 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1279 > void SimSetup::compList(void){
1280 >  int i;
1281 >  char* id;
1282 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1283 >  LinkedMolStamp* currentStamp = NULL;
1284 >  comp_stamps = new MoleculeStamp * [n_components];
1285  
1286 <      rotMat[0][0] = 1.0;
1287 <      rotMat[0][1] = 0.0;
1413 <      rotMat[0][2] = 0.0;
1286 >  // make an array of molecule stamps that match the components used.
1287 >  // also extract the used stamps out into a separate linked list
1288  
1289 <      rotMat[1][0] = 0.0;
1290 <      rotMat[1][1] = 1.0;
1291 <      rotMat[1][2] = 0.0;
1289 >  for (i = 0; i < nInfo; i++){
1290 >    info[i].nComponents = n_components;
1291 >    info[i].componentsNmol = components_nmol;
1292 >    info[i].compStamps = comp_stamps;
1293 >    info[i].headStamp = headStamp;
1294 >  }
1295  
1419      rotMat[2][0] = 0.0;
1420      rotMat[2][1] = 0.0;
1421      rotMat[2][2] = 1.0;
1296  
1297 <      dAtom->setA( rotMat );
1297 >  for (i = 0; i < n_components; i++){
1298 >    id = the_components[i]->getType();
1299 >    comp_stamps[i] = NULL;
1300 >
1301 >    // check to make sure the component isn't already in the list
1302 >
1303 >    comp_stamps[i] = headStamp->match(id);
1304 >    if (comp_stamps[i] == NULL){
1305 >      // extract the component from the list;
1306 >
1307 >      currentStamp = stamps->extractMolStamp(id);
1308 >      if (currentStamp == NULL){
1309 >        sprintf(painCave.errMsg,
1310 >                "SimSetup error: Component \"%s\" was not found in the "
1311 >                "list of declared molecules\n",
1312 >                id);
1313 >        painCave.isFatal = 1;
1314 >        simError();
1315 >      }
1316 >
1317 >      headStamp->add(currentStamp);
1318 >      comp_stamps[i] = headStamp->match(id);
1319      }
1320 +  }
1321  
1322 <    current_atom_ndx++;
1322 > #ifdef IS_MPI
1323 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1324 >  MPIcheckPoint();
1325 > #endif // is_mpi
1326 > }
1327 >
1328 > void SimSetup::calcSysValues(void){
1329 >  int i;
1330 >
1331 >  int* molMembershipArray;
1332 >
1333 >  tot_atoms = 0;
1334 >  tot_bonds = 0;
1335 >  tot_bends = 0;
1336 >  tot_torsions = 0;
1337 >  tot_rigid = 0;
1338 >  for (i = 0; i < n_components; i++){
1339 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1340 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1341 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1342 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1343 >    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1344    }
1345 +  
1346 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1347 +  molMembershipArray = new int[tot_atoms];
1348  
1349 <  current_mol++;
1350 <  current_comp_mol++;
1349 >  for (i = 0; i < nInfo; i++){
1350 >    info[i].n_atoms = tot_atoms;
1351 >    info[i].n_bonds = tot_bonds;
1352 >    info[i].n_bends = tot_bends;
1353 >    info[i].n_torsions = tot_torsions;
1354 >    info[i].n_SRI = tot_SRI;
1355 >    info[i].n_mol = tot_nmol;
1356  
1357 <  if( current_comp_mol >= components_nmol[current_comp] ){
1357 >    info[i].molMembershipArray = molMembershipArray;
1358 >  }
1359 > }
1360  
1361 <    current_comp_mol = 0;
1362 <    current_comp++;
1361 > #ifdef IS_MPI
1362 >
1363 > void SimSetup::mpiMolDivide(void){
1364 >  int i, j, k;
1365 >  int localMol, allMol;
1366 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1367 >  int local_rigid;
1368 >  vector<int> globalAtomIndex;
1369 >  vector<int> globalMolIndex;
1370 >
1371 >  mpiSim = new mpiSimulation(info);
1372 >
1373 >  mpiSim->divideLabor();
1374 >  globalAtomIndex = mpiSim->getGlobalAtomIndex();
1375 >  globalMolIndex = mpiSim->getGlobalMolIndex();
1376 >
1377 >  // set up the local variables
1378 >
1379 >  mol2proc = mpiSim->getMolToProcMap();
1380 >  molCompType = mpiSim->getMolComponentType();
1381 >
1382 >  allMol = 0;
1383 >  localMol = 0;
1384 >  local_atoms = 0;
1385 >  local_bonds = 0;
1386 >  local_bends = 0;
1387 >  local_torsions = 0;
1388 >  local_rigid = 0;
1389 >  globalAtomCounter = 0;
1390 >
1391 >  for (i = 0; i < n_components; i++){
1392 >    for (j = 0; j < components_nmol[i]; j++){
1393 >      if (mol2proc[allMol] == worldRank){
1394 >        local_atoms += comp_stamps[i]->getNAtoms();
1395 >        local_bonds += comp_stamps[i]->getNBonds();
1396 >        local_bends += comp_stamps[i]->getNBends();
1397 >        local_torsions += comp_stamps[i]->getNTorsions();
1398 >        local_rigid += comp_stamps[i]->getNRigidBodies();
1399 >        localMol++;
1400 >      }      
1401 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1402 >        info[0].molMembershipArray[globalAtomCounter] = allMol;
1403 >        globalAtomCounter++;
1404 >      }
1405 >
1406 >      allMol++;
1407 >    }
1408 >  }
1409 >  local_SRI = local_bonds + local_bends + local_torsions;
1410 >
1411 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1412 >  
1413 >
1414 >  if (local_atoms != info[0].n_atoms){
1415 >    sprintf(painCave.errMsg,
1416 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1417 >            "\tlocalAtom (%d) are not equal.\n",
1418 >            info[0].n_atoms, local_atoms);
1419 >    painCave.isFatal = 1;
1420 >    simError();
1421 >  }
1422 >
1423 >  info[0].n_bonds = local_bonds;
1424 >  info[0].n_bends = local_bends;
1425 >  info[0].n_torsions = local_torsions;
1426 >  info[0].n_SRI = local_SRI;
1427 >  info[0].n_mol = localMol;
1428 >
1429 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1430 >  MPIcheckPoint();
1431 > }
1432 >
1433 > #endif // is_mpi
1434 >
1435 >
1436 > void SimSetup::makeSysArrays(void){
1437 >
1438 > #ifndef IS_MPI
1439 >  int k, j;
1440 > #endif // is_mpi
1441 >  int i, l;
1442 >
1443 >  Atom** the_atoms;
1444 >  Molecule* the_molecules;
1445 >
1446 >  for (l = 0; l < nInfo; l++){
1447 >    // create the atom and short range interaction arrays
1448 >
1449 >    the_atoms = new Atom * [info[l].n_atoms];
1450 >    the_molecules = new Molecule[info[l].n_mol];
1451 >    int molIndex;
1452 >
1453 >    // initialize the molecule's stampID's
1454 >
1455 > #ifdef IS_MPI
1456 >
1457 >
1458 >    molIndex = 0;
1459 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1460 >      if (mol2proc[i] == worldRank){
1461 >        the_molecules[molIndex].setStampID(molCompType[i]);
1462 >        the_molecules[molIndex].setMyIndex(molIndex);
1463 >        the_molecules[molIndex].setGlobalIndex(i);
1464 >        molIndex++;
1465 >      }
1466 >    }
1467 >
1468 > #else // is_mpi
1469 >
1470 >    molIndex = 0;
1471 >    globalAtomCounter = 0;
1472 >    for (i = 0; i < n_components; i++){
1473 >      for (j = 0; j < components_nmol[i]; j++){
1474 >        the_molecules[molIndex].setStampID(i);
1475 >        the_molecules[molIndex].setMyIndex(molIndex);
1476 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1477 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1478 >          info[l].molMembershipArray[globalAtomCounter] = molIndex;
1479 >          globalAtomCounter++;
1480 >        }
1481 >        molIndex++;
1482 >      }
1483 >    }
1484 >
1485 >
1486 > #endif // is_mpi
1487 >
1488 >    info[l].globalExcludes = new int;
1489 >    info[l].globalExcludes[0] = 0;
1490 >    
1491 >    // set the arrays into the SimInfo object
1492 >
1493 >    info[l].atoms = the_atoms;
1494 >    info[l].molecules = the_molecules;
1495 >    info[l].nGlobalExcludes = 0;
1496 >
1497 >    the_ff->setSimInfo(info);
1498    }
1499   }
1500 +
1501 + void SimSetup::makeIntegrator(void){
1502 +  int k;
1503 +
1504 +  NVE<RealIntegrator>* myNVE = NULL;
1505 +  NVT<RealIntegrator>* myNVT = NULL;
1506 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1507 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1508 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1509 +  
1510 +  for (k = 0; k < nInfo; k++){
1511 +    switch (ensembleCase){
1512 +      case NVE_ENS:
1513 +        if (globals->haveZconstraints()){
1514 +          setupZConstraint(info[k]);
1515 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1516 +        }
1517 +        else{
1518 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1519 +        }
1520 +        
1521 +        info->the_integrator = myNVE;
1522 +        break;
1523 +
1524 +      case NVT_ENS:
1525 +        if (globals->haveZconstraints()){
1526 +          setupZConstraint(info[k]);
1527 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1528 +        }
1529 +        else
1530 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1531 +
1532 +        myNVT->setTargetTemp(globals->getTargetTemp());
1533 +
1534 +        if (globals->haveTauThermostat())
1535 +          myNVT->setTauThermostat(globals->getTauThermostat());
1536 +        else{
1537 +          sprintf(painCave.errMsg,
1538 +                  "SimSetup error: If you use the NVT\n"
1539 +                  "\tensemble, you must set tauThermostat.\n");
1540 +          painCave.isFatal = 1;
1541 +          simError();
1542 +        }
1543 +
1544 +        info->the_integrator = myNVT;
1545 +        break;
1546 +
1547 +      case NPTi_ENS:
1548 +        if (globals->haveZconstraints()){
1549 +          setupZConstraint(info[k]);
1550 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1551 +        }
1552 +        else
1553 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1554 +
1555 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1556 +
1557 +        if (globals->haveTargetPressure())
1558 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1559 +        else{
1560 +          sprintf(painCave.errMsg,
1561 +                  "SimSetup error: If you use a constant pressure\n"
1562 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1563 +          painCave.isFatal = 1;
1564 +          simError();
1565 +        }
1566 +
1567 +        if (globals->haveTauThermostat())
1568 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1569 +        else{
1570 +          sprintf(painCave.errMsg,
1571 +                  "SimSetup error: If you use an NPT\n"
1572 +                  "\tensemble, you must set tauThermostat.\n");
1573 +          painCave.isFatal = 1;
1574 +          simError();
1575 +        }
1576 +
1577 +        if (globals->haveTauBarostat())
1578 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1579 +        else{
1580 +          sprintf(painCave.errMsg,
1581 +                  "SimSetup error: If you use an NPT\n"
1582 +                  "\tensemble, you must set tauBarostat.\n");
1583 +          painCave.isFatal = 1;
1584 +          simError();
1585 +        }
1586 +
1587 +        info->the_integrator = myNPTi;
1588 +        break;
1589 +
1590 +      case NPTf_ENS:
1591 +        if (globals->haveZconstraints()){
1592 +          setupZConstraint(info[k]);
1593 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1594 +        }
1595 +        else
1596 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1597 +
1598 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1599 +
1600 +        if (globals->haveTargetPressure())
1601 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1602 +        else{
1603 +          sprintf(painCave.errMsg,
1604 +                  "SimSetup error: If you use a constant pressure\n"
1605 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1606 +          painCave.isFatal = 1;
1607 +          simError();
1608 +        }    
1609 +
1610 +        if (globals->haveTauThermostat())
1611 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1612 +
1613 +        else{
1614 +          sprintf(painCave.errMsg,
1615 +                  "SimSetup error: If you use an NPT\n"
1616 +                  "\tensemble, you must set tauThermostat.\n");
1617 +          painCave.isFatal = 1;
1618 +          simError();
1619 +        }
1620 +
1621 +        if (globals->haveTauBarostat())
1622 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1623 +
1624 +        else{
1625 +          sprintf(painCave.errMsg,
1626 +                  "SimSetup error: If you use an NPT\n"
1627 +                  "\tensemble, you must set tauBarostat.\n");
1628 +          painCave.isFatal = 1;
1629 +          simError();
1630 +        }
1631 +
1632 +        info->the_integrator = myNPTf;
1633 +        break;
1634 +
1635 +      case NPTxyz_ENS:
1636 +        if (globals->haveZconstraints()){
1637 +          setupZConstraint(info[k]);
1638 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1639 +        }
1640 +        else
1641 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1642 +
1643 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1644 +
1645 +        if (globals->haveTargetPressure())
1646 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1647 +        else{
1648 +          sprintf(painCave.errMsg,
1649 +                  "SimSetup error: If you use a constant pressure\n"
1650 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1651 +          painCave.isFatal = 1;
1652 +          simError();
1653 +        }    
1654 +
1655 +        if (globals->haveTauThermostat())
1656 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1657 +        else{
1658 +          sprintf(painCave.errMsg,
1659 +                  "SimSetup error: If you use an NPT\n"
1660 +                  "\tensemble, you must set tauThermostat.\n");
1661 +          painCave.isFatal = 1;
1662 +          simError();
1663 +        }
1664 +
1665 +        if (globals->haveTauBarostat())
1666 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1667 +        else{
1668 +          sprintf(painCave.errMsg,
1669 +                  "SimSetup error: If you use an NPT\n"
1670 +                  "\tensemble, you must set tauBarostat.\n");
1671 +          painCave.isFatal = 1;
1672 +          simError();
1673 +        }
1674 +
1675 +        info->the_integrator = myNPTxyz;
1676 +        break;
1677 +
1678 +      default:
1679 +        sprintf(painCave.errMsg,
1680 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1681 +        painCave.isFatal = 1;
1682 +        simError();
1683 +    }
1684 +  }
1685 + }
1686 +
1687 + void SimSetup::initFortran(void){
1688 +  info[0].refreshSim();
1689 +
1690 +  if (!strcmp(info[0].mixingRule, "standard")){
1691 +    the_ff->initForceField(LB_MIXING_RULE);
1692 +  }
1693 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1694 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1695 +  }
1696 +  else{
1697 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1698 +            info[0].mixingRule);
1699 +    painCave.isFatal = 1;
1700 +    simError();
1701 +  }
1702 +
1703 +
1704 + #ifdef IS_MPI
1705 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1706 +  MPIcheckPoint();
1707 + #endif // is_mpi
1708 + }
1709 +
1710 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1711 +  int nZConstraints;
1712 +  ZconStamp** zconStamp;
1713 +
1714 +  if (globals->haveZconstraintTime()){
1715 +    //add sample time of z-constraint  into SimInfo's property list                    
1716 +    DoubleData* zconsTimeProp = new DoubleData();
1717 +    zconsTimeProp->setID(ZCONSTIME_ID);
1718 +    zconsTimeProp->setData(globals->getZconsTime());
1719 +    theInfo.addProperty(zconsTimeProp);
1720 +  }
1721 +  else{
1722 +    sprintf(painCave.errMsg,
1723 +            "ZConstraint error: If you use a ZConstraint,\n"
1724 +            "\tyou must set zconsTime.\n");
1725 +    painCave.isFatal = 1;
1726 +    simError();
1727 +  }
1728 +
1729 +  //push zconsTol into siminfo, if user does not specify
1730 +  //value for zconsTol, a default value will be used
1731 +  DoubleData* zconsTol = new DoubleData();
1732 +  zconsTol->setID(ZCONSTOL_ID);
1733 +  if (globals->haveZconsTol()){
1734 +    zconsTol->setData(globals->getZconsTol());
1735 +  }
1736 +  else{
1737 +    double defaultZConsTol = 0.01;
1738 +    sprintf(painCave.errMsg,
1739 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1740 +            "\tOOPSE will use a default value of %f.\n"
1741 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1742 +            defaultZConsTol);
1743 +    painCave.isFatal = 0;
1744 +    simError();      
1745 +
1746 +    zconsTol->setData(defaultZConsTol);
1747 +  }
1748 +  theInfo.addProperty(zconsTol);
1749 +
1750 +  //set Force Subtraction Policy
1751 +  StringData* zconsForcePolicy = new StringData();
1752 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1753 +
1754 +  if (globals->haveZconsForcePolicy()){
1755 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1756 +  }
1757 +  else{
1758 +    sprintf(painCave.errMsg,
1759 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1760 +            "\tOOPSE will use PolicyByMass.\n"
1761 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1762 +    painCave.isFatal = 0;
1763 +    simError();
1764 +    zconsForcePolicy->setData("BYMASS");
1765 +  }
1766 +
1767 +  theInfo.addProperty(zconsForcePolicy);
1768 +
1769 +  //set zcons gap
1770 +  DoubleData* zconsGap = new DoubleData();
1771 +  zconsGap->setID(ZCONSGAP_ID);
1772 +
1773 +  if (globals->haveZConsGap()){
1774 +    zconsGap->setData(globals->getZconsGap());
1775 +    theInfo.addProperty(zconsGap);  
1776 +  }
1777 +
1778 +  //set zcons fixtime
1779 +  DoubleData* zconsFixtime = new DoubleData();
1780 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
1781 +
1782 +  if (globals->haveZConsFixTime()){
1783 +    zconsFixtime->setData(globals->getZconsFixtime());
1784 +    theInfo.addProperty(zconsFixtime);  
1785 +  }
1786 +
1787 +  //set zconsUsingSMD
1788 +  IntData* zconsUsingSMD = new IntData();
1789 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
1790 +
1791 +  if (globals->haveZConsUsingSMD()){
1792 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
1793 +    theInfo.addProperty(zconsUsingSMD);  
1794 +  }
1795 +
1796 +  //Determine the name of ouput file and add it into SimInfo's property list
1797 +  //Be careful, do not use inFileName, since it is a pointer which
1798 +  //point to a string at master node, and slave nodes do not contain that string
1799 +
1800 +  string zconsOutput(theInfo.finalName);
1801 +
1802 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1803 +
1804 +  StringData* zconsFilename = new StringData();
1805 +  zconsFilename->setID(ZCONSFILENAME_ID);
1806 +  zconsFilename->setData(zconsOutput);
1807 +
1808 +  theInfo.addProperty(zconsFilename);
1809 +
1810 +  //setup index, pos and other parameters of z-constraint molecules
1811 +  nZConstraints = globals->getNzConstraints();
1812 +  theInfo.nZconstraints = nZConstraints;
1813 +
1814 +  zconStamp = globals->getZconStamp();
1815 +  ZConsParaItem tempParaItem;
1816 +
1817 +  ZConsParaData* zconsParaData = new ZConsParaData();
1818 +  zconsParaData->setID(ZCONSPARADATA_ID);
1819 +
1820 +  for (int i = 0; i < nZConstraints; i++){
1821 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1822 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1823 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1824 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1825 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
1826 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
1827 +    zconsParaData->addItem(tempParaItem);
1828 +  }
1829 +
1830 +  //check the uniqueness of index  
1831 +  if(!zconsParaData->isIndexUnique()){
1832 +    sprintf(painCave.errMsg,
1833 +            "ZConstraint Error: molIndex is not unique!\n");
1834 +    painCave.isFatal = 1;
1835 +    simError();
1836 +  }
1837 +
1838 +  //sort the parameters by index of molecules
1839 +  zconsParaData->sortByIndex();
1840 +  
1841 +  //push data into siminfo, therefore, we can retrieve later
1842 +  theInfo.addProperty(zconsParaData);
1843 + }
1844 +
1845 + void SimSetup::makeMinimizer(){
1846 +
1847 +  OOPSEMinimizer* myOOPSEMinimizer;
1848 +  MinimizerParameterSet* param;
1849 +  char minimizerName[100];
1850 +  
1851 +  for (int i = 0; i < nInfo; i++){
1852 +    
1853 +    //prepare parameter set for minimizer
1854 +    param = new MinimizerParameterSet();
1855 +    param->setDefaultParameter();
1856 +
1857 +    if (globals->haveMinimizer()){
1858 +      param->setFTol(globals->getMinFTol());
1859 +    }
1860 +
1861 +    if (globals->haveMinGTol()){
1862 +      param->setGTol(globals->getMinGTol());
1863 +    }
1864 +
1865 +    if (globals->haveMinMaxIter()){
1866 +      param->setMaxIteration(globals->getMinMaxIter());
1867 +    }
1868 +
1869 +    if (globals->haveMinWriteFrq()){
1870 +      param->setMaxIteration(globals->getMinMaxIter());
1871 +    }
1872 +
1873 +    if (globals->haveMinWriteFrq()){
1874 +      param->setWriteFrq(globals->getMinWriteFrq());
1875 +    }
1876 +    
1877 +    if (globals->haveMinStepSize()){
1878 +      param->setStepSize(globals->getMinStepSize());
1879 +    }
1880 +
1881 +    if (globals->haveMinLSMaxIter()){
1882 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1883 +    }    
1884 +
1885 +    if (globals->haveMinLSTol()){
1886 +      param->setLineSearchTol(globals->getMinLSTol());
1887 +    }    
1888 +
1889 +    strcpy(minimizerName, globals->getMinimizer());
1890 +
1891 +    if (!strcasecmp(minimizerName, "CG")){
1892 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1893 +    }
1894 +    else if (!strcasecmp(minimizerName, "SD")){
1895 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1896 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1897 +    }
1898 +    else{
1899 +          sprintf(painCave.errMsg,
1900 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
1901 +          painCave.isFatal = 0;
1902 +          simError();
1903 +
1904 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
1905 +    }
1906 +     info[i].the_integrator = myOOPSEMinimizer;
1907 +
1908 +     //store the minimizer into simInfo
1909 +     info[i].the_minimizer = myOOPSEMinimizer;
1910 +     info[i].has_minimizer = true;
1911 +  }
1912 +
1913 + }

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