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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 586 by mmeineke, Wed Jul 9 22:14:06 2003 UTC vs.
Revision 1064 by tim, Tue Feb 24 15:44:45 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 "ConjugateMinimizer.hpp"
13 + #include "OOPSEMinimizer.hpp"
14  
15   #ifdef IS_MPI
16   #include "mpiBASS.h"
# Line 14 | Line 19
19  
20   // some defines for ensemble and Forcefield  cases
21  
22 < #define NVE_ENS  0
23 < #define NVT_ENS  1
24 < #define NPTi_ENS 2
25 < #define NPTf_ENS 3
22 > #define NVE_ENS        0
23 > #define NVT_ENS        1
24 > #define NPTi_ENS       2
25 > #define NPTf_ENS       3
26 > #define NPTxyz_ENS     4
27  
28  
29 < #define FF_DUFF 0
30 < #define FF_LJ   1
29 > #define FF_DUFF  0
30 > #define FF_LJ    1
31 > #define FF_EAM   2
32 > #define FF_H2O   3
33  
34 + using namespace std;
35  
36 + /**
37 + * Check whether dividend is divisble by divisor or not
38 + */
39 + bool isDivisible(double dividend, double divisor){
40 +  double tolerance = 0.000001;
41 +  double quotient;
42 +  double diff;
43 +  int intQuotient;
44 +  
45 +  quotient = dividend / divisor;
46 +
47 +  if (quotient < 0)
48 +    quotient = -quotient;
49 +
50 +  intQuotient = int (quotient + tolerance);
51 +
52 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
53 +
54 +  if (diff <= tolerance)
55 +    return true;
56 +  else
57 +    return false;  
58 + }
59 +
60   SimSetup::SimSetup(){
61 +  
62 +  initSuspend = false;
63 +  isInfoArray = 0;
64 +  nInfo = 1;
65 +
66    stamps = new MakeStamps();
67    globals = new Globals();
68 <  
68 >
69 >
70   #ifdef IS_MPI
71 <  strcpy( checkPointMsg, "SimSetup creation successful" );
71 >  strcpy(checkPointMsg, "SimSetup creation successful");
72    MPIcheckPoint();
73   #endif // IS_MPI
74   }
# Line 39 | Line 78 | void SimSetup::parseFile( char* fileName ){
78    delete globals;
79   }
80  
81 < void SimSetup::parseFile( char* fileName ){
81 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
82 >  info = the_info;
83 >  nInfo = theNinfo;
84 >  isInfoArray = 1;
85 >  initSuspend = true;
86 > }
87  
88 +
89 + void SimSetup::parseFile(char* fileName){
90   #ifdef IS_MPI
91 <  if( worldRank == 0 ){
91 >  if (worldRank == 0){
92   #endif // is_mpi
93 <    
93 >
94      inFileName = fileName;
95 <    set_interface_stamps( stamps, globals );
96 <    
95 >    set_interface_stamps(stamps, globals);
96 >
97   #ifdef IS_MPI
98      mpiEventInit();
99   #endif
100  
101 <    yacc_BASS( fileName );
101 >    yacc_BASS(fileName);
102  
103   #ifdef IS_MPI
104      throwMPIEvent(NULL);
105    }
106 <  else receiveParse();
106 >  else{
107 >    receiveParse();
108 >  }
109   #endif
110  
111   }
112  
113   #ifdef IS_MPI
114   void SimSetup::receiveParse(void){
115 <
116 <    set_interface_stamps( stamps, globals );
117 <    mpiEventInit();
118 <    MPIcheckPoint();
71 <    mpiEventLoop();
72 <
115 >  set_interface_stamps(stamps, globals);
116 >  mpiEventInit();
117 >  MPIcheckPoint();
118 >  mpiEventLoop();
119   }
120  
121   #endif // is_mpi
122  
123 < void SimSetup::createSim( void ){
123 > void SimSetup::createSim(void){
124  
125 <  MakeStamps *the_stamps;
80 <  Globals* the_globals;
81 <  int i, j, k, globalAtomIndex;
82 <  
83 <  int ensembleCase;
84 <  int ffCase;
85 <  
86 <  ensembleCase = -1;
87 <  ffCase = -1;
125 >  // gather all of the information from the Bass file
126  
127 <  // get the stamps and globals;
90 <  the_stamps = stamps;
91 <  the_globals = globals;
127 >  gatherInfo();
128  
129 <  // set the easy ones first
94 <  simnfo->target_temp = the_globals->getTargetTemp();
95 <  simnfo->dt = the_globals->getDt();
96 <  simnfo->run_time = the_globals->getRunTime();
129 >  // creation of complex system objects
130  
131 <  // get the ones we know are there, yet still may need some work.
99 <  n_components = the_globals->getNComponents();
100 <  strcpy( force_field, the_globals->getForceField() );
131 >  sysObjectsCreation();
132  
133 <  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
103 <  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
104 <  else{
105 <    sprintf( painCave.errMsg,
106 <             "SimSetup Error. Unrecognized force field -> %s\n",
107 <             force_field );
108 <    painCave.isFatal = 1;
109 <    simError();
110 <  }
133 >  // check on the post processing info
134  
135 <  // get the ensemble:
113 <  strcpy( ensemble, the_globals->getEnsemble() );
135 >  finalInfoCheck();
136  
137 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
138 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
139 <  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
140 <    ensembleCase = NPTi_ENS;
141 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
142 <  else{
143 <    sprintf( painCave.errMsg,
122 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
123 <             "reverting to NVE for this simulation.\n",
124 <             ensemble );
125 <    painCave.isFatal = 0;
126 <    simError();
127 <    strcpy( ensemble, "NVE" );
128 <    ensembleCase = NVE_ENS;
137 >  // initialize the system coordinates
138 >
139 >  if ( !initSuspend ){
140 >    initSystemCoords();
141 >
142 >    if( !(globals->getUseInitTime()) )
143 >      info[0].currentTime = 0.0;
144    }  
130  strcpy( simnfo->ensemble, ensemble );
145  
146 +  // make the output filenames
147  
148 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
134 < //     the_extendedsystem = new ExtendedSystem( simnfo );
135 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
136 < //     if (the_globals->haveTargetPressure())
137 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
138 < //     else {
139 < //       sprintf( painCave.errMsg,
140 < //                "SimSetup error: If you use the constant pressure\n"
141 < //                "    ensemble, you must set targetPressure.\n"
142 < //                "    This was found in the BASS file.\n");
143 < //       painCave.isFatal = 1;
144 < //       simError();
145 < //     }
148 >  makeOutNames();
149  
150 < //     if (the_globals->haveTauThermostat())
151 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
152 < //     else if (the_globals->haveQmass())
153 < //       the_extendedsystem->setQmass(the_globals->getQmass());
154 < //     else {
155 < //       sprintf( painCave.errMsg,
156 < //                "SimSetup error: If you use one of the constant temperature\n"
157 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
158 < //                "    Neither of these was found in the BASS file.\n");
159 < //       painCave.isFatal = 1;
157 < //       simError();
158 < //     }
150 >  if (globals->haveMinimizer())
151 >    // make minimizer
152 >    makeMinimizer();
153 >  else
154 >    // make the integrator
155 >    makeIntegrator();
156 >  
157 > #ifdef IS_MPI
158 >  mpiSim->mpiRefresh();
159 > #endif
160  
161 < //     if (the_globals->haveTauBarostat())
161 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
162 < //     else {
163 < //       sprintf( painCave.errMsg,
164 < //                "SimSetup error: If you use the constant pressure\n"
165 < //                "    ensemble, you must set tauBarostat.\n"
166 < //                "    This was found in the BASS file.\n");
167 < //       painCave.isFatal = 1;
168 < //       simError();
169 < //     }
161 >  // initialize the Fortran
162  
163 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
164 < //     the_extendedsystem = new ExtendedSystem( simnfo );
173 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
163 >  initFortran();
164 > }
165  
175 //     if (the_globals->haveTauThermostat())
176 //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
177 //     else if (the_globals->haveQmass())
178 //       the_extendedsystem->setQmass(the_globals->getQmass());
179 //     else {
180 //       sprintf( painCave.errMsg,
181 //                "SimSetup error: If you use one of the constant temperature\n"
182 //                "    ensembles, you must set either tauThermostat or qMass.\n"
183 //                "    Neither of these was found in the BASS file.\n");
184 //       painCave.isFatal = 1;
185 //       simError();
186 //     }
166  
167 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
168 <  simnfo->usePBC = the_globals->getPBC();
169 <          
170 <  int usesDipoles = 0;
171 <  switch( ffCase ){
167 > void SimSetup::makeMolecules(void){
168 >  int k;
169 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
170 >  molInit molInfo;
171 >  DirectionalAtom* dAtom;
172 >  LinkedAssign* extras;
173 >  LinkedAssign* current_extra;
174 >  AtomStamp* currentAtom;
175 >  BondStamp* currentBond;
176 >  BendStamp* currentBend;
177 >  TorsionStamp* currentTorsion;
178  
179 <  case FF_DUFF:
180 <    the_ff = new DUFF();
181 <    usesDipoles = 1;
197 <    break;
179 >  bond_pair* theBonds;
180 >  bend_set* theBends;
181 >  torsion_set* theTorsions;
182  
183 <  case FF_LJ:
200 <    the_ff = new LJFF();
201 <    break;
183 >  //init the forceField paramters
184  
185 <  default:
204 <    sprintf( painCave.errMsg,
205 <             "SimSetup Error. Unrecognized force field in case statement.\n");
206 <    painCave.isFatal = 1;
207 <    simError();
208 <  }
185 >  the_ff->readParams();
186  
210 #ifdef IS_MPI
211  strcpy( checkPointMsg, "ForceField creation successful" );
212  MPIcheckPoint();
213 #endif // is_mpi
187  
188 <  // get the components and calculate the tot_nMol and indvidual n_mol
216 <  the_components = the_globals->getComponents();
217 <  components_nmol = new int[n_components];
218 <  comp_stamps = new MoleculeStamp*[n_components];
188 >  // init the atoms
189  
190 <  if( !the_globals->haveNMol() ){
191 <    // we don't have the total number of molecules, so we assume it is
192 <    // given in each component
190 >  double phi, theta, psi;
191 >  double sux, suy, suz;
192 >  double Axx, Axy, Axz, Ayx, Ayy, Ayz, Azx, Azy, Azz;
193 >  double ux, uy, uz, u, uSqr;
194  
195 <    tot_nmol = 0;
196 <    for( i=0; i<n_components; i++ ){
195 >  for (k = 0; k < nInfo; k++){
196 >    the_ff->setSimInfo(&(info[k]));
197  
198 <      if( !the_components[i]->haveNMol() ){
199 <        // we have a problem
200 <        sprintf( painCave.errMsg,
201 <                 "SimSetup Error. No global NMol or component NMol"
202 <                 " given. Cannot calculate the number of atoms.\n" );
203 <        painCave.isFatal = 1;
204 <        simError();
205 <      }
198 >    atomOffset = 0;
199 >    excludeOffset = 0;
200 >    for (i = 0; i < info[k].n_mol; i++){
201 >      stampID = info[k].molecules[i].getStampID();
202 >
203 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
204 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
205 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
206 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
207 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
208 >
209 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
210 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
211 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
212 >      molInfo.myBends = new Bend * [molInfo.nBends];
213 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
214  
215 <      tot_nmol += the_components[i]->getNMol();
216 <      components_nmol[i] = the_components[i]->getNMol();
217 <    }
239 <  }
240 <  else{
241 <    sprintf( painCave.errMsg,
242 <             "SimSetup error.\n"
243 <             "\tSorry, the ability to specify total"
244 <             " nMols and then give molfractions in the components\n"
245 <             "\tis not currently supported."
246 <             " Please give nMol in the components.\n" );
247 <    painCave.isFatal = 1;
248 <    simError();
249 <    
250 <    
251 <    //     tot_nmol = the_globals->getNMol();
252 <    
253 <    //   //we have the total number of molecules, now we check for molfractions
254 <    //     for( i=0; i<n_components; i++ ){
255 <    
256 <    //       if( !the_components[i]->haveMolFraction() ){
257 <    
258 <    //  if( !the_components[i]->haveNMol() ){
259 <    //    //we have a problem
260 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
261 <    //              << " nMol was given in component
262 <    
263 <  }
215 >      theBonds = new bond_pair[molInfo.nBonds];
216 >      theBends = new bend_set[molInfo.nBends];
217 >      theTorsions = new torsion_set[molInfo.nTorsions];
218  
219 < #ifdef IS_MPI
266 <  strcpy( checkPointMsg, "Have the number of components" );
267 <  MPIcheckPoint();
268 < #endif // is_mpi
219 >      // make the Atoms
220  
221 <  // make an array of molecule stamps that match the components used.
222 <  // also extract the used stamps out into a separate linked list
221 >      for (j = 0; j < molInfo.nAtoms; j++){
222 >        currentAtom = comp_stamps[stampID]->getAtom(j);
223 >        if (currentAtom->haveOrientation()){
224 >          dAtom = new DirectionalAtom((j + atomOffset),
225 >                                      info[k].getConfiguration());
226 >          info[k].n_oriented++;
227 >          molInfo.myAtoms[j] = dAtom;
228  
229 <  simnfo->nComponents = n_components;
230 <  simnfo->componentsNmol = components_nmol;
231 <  simnfo->compStamps = comp_stamps;
276 <  simnfo->headStamp = new LinkedMolStamp();
277 <  
278 <  char* id;
279 <  LinkedMolStamp* headStamp = simnfo->headStamp;
280 <  LinkedMolStamp* currentStamp = NULL;
281 <  for( i=0; i<n_components; i++ ){
229 >          // Directional Atoms have standard unit vectors which are oriented
230 >          // in space using the three Euler angles.  We assume the standard
231 >          // unit vector was originally along the z axis below.
232  
233 <    id = the_components[i]->getType();
234 <    comp_stamps[i] = NULL;
235 <    
236 <    // check to make sure the component isn't already in the list
233 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
234 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
235 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
236 >            
237 >          Axx = (cos(phi) * cos(psi)) - (sin(phi) * cos(theta) * sin(psi));
238 >          Axy = (sin(phi) * cos(psi)) + (cos(phi) * cos(theta) * sin(psi));
239 >          Axz = sin(theta) * sin(psi);
240 >          
241 >          Ayx = -(cos(phi) * sin(psi)) - (sin(phi) * cos(theta) * cos(psi));
242 >          Ayy = -(sin(phi) * sin(psi)) + (cos(phi) * cos(theta) * cos(psi));
243 >          Ayz = sin(theta) * cos(psi);
244 >          
245 >          Azx = sin(phi) * sin(theta);
246 >          Azy = -cos(phi) * sin(theta);
247 >          Azz = cos(theta);
248  
249 <    comp_stamps[i] = headStamp->match( id );
250 <    if( comp_stamps[i] == NULL ){
251 <      
291 <      // extract the component from the list;
292 <      
293 <      currentStamp = the_stamps->extractMolStamp( id );
294 <      if( currentStamp == NULL ){
295 <        sprintf( painCave.errMsg,
296 <                 "SimSetup error: Component \"%s\" was not found in the "
297 <                 "list of declared molecules\n",
298 <                 id );
299 <        painCave.isFatal = 1;
300 <        simError();
301 <      }
302 <      
303 <      headStamp->add( currentStamp );
304 <      comp_stamps[i] = headStamp->match( id );
305 <    }
306 <  }
249 >          sux = 0.0;
250 >          suy = 0.0;
251 >          suz = 1.0;
252  
253 < #ifdef IS_MPI
254 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
255 <  MPIcheckPoint();
311 < #endif // is_mpi
312 <  
253 >          ux = (Axx * sux) + (Ayx * suy) + (Azx * suz);
254 >          uy = (Axy * sux) + (Ayy * suy) + (Azy * suz);
255 >          uz = (Axz * sux) + (Ayz * suy) + (Azz * suz);
256  
257 +          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
258  
259 +          u = sqrt(uSqr);
260 +          ux = ux / u;
261 +          uy = uy / u;
262 +          uz = uz / u;
263  
264 <  // caclulate the number of atoms, bonds, bends and torsions
264 >          dAtom->setSUx(ux);
265 >          dAtom->setSUy(uy);
266 >          dAtom->setSUz(uz);
267 >        }
268 >        else{
269 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
270 >                                               info[k].getConfiguration());
271 >        }
272 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
273  
318  tot_atoms = 0;
319  tot_bonds = 0;
320  tot_bends = 0;
321  tot_torsions = 0;
322  for( i=0; i<n_components; i++ ){
323    
324    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
325    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
326    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
327    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
328  }
329
330  tot_SRI = tot_bonds + tot_bends + tot_torsions;
331
332  simnfo->n_atoms = tot_atoms;
333  simnfo->n_bonds = tot_bonds;
334  simnfo->n_bends = tot_bends;
335  simnfo->n_torsions = tot_torsions;
336  simnfo->n_SRI = tot_SRI;
337  simnfo->n_mol = tot_nmol;
338  
339  simnfo->molMembershipArray = new int[tot_atoms];
340
274   #ifdef IS_MPI
275  
276 <  // divide the molecules among processors here.
344 <  
345 <  mpiSim = new mpiSimulation( simnfo );
346 <  
347 <  globalIndex = mpiSim->divideLabor();
276 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
277  
278 <  // set up the local variables
279 <  
351 <  int localMol, allMol;
352 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
278 > #endif // is_mpi
279 >      }
280  
281 <  int* mol2proc = mpiSim->getMolToProcMap();
282 <  int* molCompType = mpiSim->getMolComponentType();
283 <  
284 <  allMol = 0;
285 <  localMol = 0;
359 <  local_atoms = 0;
360 <  local_bonds = 0;
361 <  local_bends = 0;
362 <  local_torsions = 0;
363 <  globalAtomIndex = 0;
281 >      // make the bonds
282 >      for (j = 0; j < molInfo.nBonds; j++){
283 >        currentBond = comp_stamps[stampID]->getBond(j);
284 >        theBonds[j].a = currentBond->getA() + atomOffset;
285 >        theBonds[j].b = currentBond->getB() + atomOffset;
286  
287 +        exI = theBonds[j].a;
288 +        exJ = theBonds[j].b;
289  
290 <  for( i=0; i<n_components; i++ ){
290 >        // exclude_I must always be the smaller of the pair
291 >        if (exI > exJ){
292 >          tempEx = exI;
293 >          exI = exJ;
294 >          exJ = tempEx;
295 >        }
296 > #ifdef IS_MPI
297 >        tempEx = exI;
298 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
299 >        tempEx = exJ;
300 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
301  
302 <    for( j=0; j<components_nmol[i]; j++ ){
303 <      
304 <      if( mol2proc[allMol] == worldRank ){
305 <        
306 <        local_atoms +=    comp_stamps[i]->getNAtoms();
373 <        local_bonds +=    comp_stamps[i]->getNBonds();
374 <        local_bends +=    comp_stamps[i]->getNBends();
375 <        local_torsions += comp_stamps[i]->getNTorsions();
376 <        localMol++;
377 <      }      
378 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
379 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
380 <        globalAtomIndex++;
302 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
303 > #else  // isn't MPI
304 >
305 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
306 > #endif  //is_mpi
307        }
308 +      excludeOffset += molInfo.nBonds;
309  
310 <      allMol++;      
311 <    }
312 <  }
313 <  local_SRI = local_bonds + local_bends + local_torsions;
314 <  
315 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
389 <  
390 <  if( local_atoms != simnfo->n_atoms ){
391 <    sprintf( painCave.errMsg,
392 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
393 <             " localAtom (%d) are not equal.\n",
394 <             simnfo->n_atoms,
395 <             local_atoms );
396 <    painCave.isFatal = 1;
397 <    simError();
398 <  }
310 >      //make the bends
311 >      for (j = 0; j < molInfo.nBends; j++){
312 >        currentBend = comp_stamps[stampID]->getBend(j);
313 >        theBends[j].a = currentBend->getA() + atomOffset;
314 >        theBends[j].b = currentBend->getB() + atomOffset;
315 >        theBends[j].c = currentBend->getC() + atomOffset;
316  
317 <  simnfo->n_bonds = local_bonds;
318 <  simnfo->n_bends = local_bends;
319 <  simnfo->n_torsions = local_torsions;
403 <  simnfo->n_SRI = local_SRI;
404 <  simnfo->n_mol = localMol;
317 >        if (currentBend->haveExtras()){
318 >          extras = currentBend->getExtras();
319 >          current_extra = extras;
320  
321 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
322 <  MPIcheckPoint();
323 <  
324 <  
325 < #endif // is_mpi
326 <  
327 <
413 <  // create the atom and short range interaction arrays
414 <
415 <  Atom::createArrays(simnfo->n_atoms);
416 <  the_atoms = new Atom*[simnfo->n_atoms];
417 <  the_molecules = new Molecule[simnfo->n_mol];
418 <  int molIndex;
419 <
420 <  // initialize the molecule's stampID's
321 >          while (current_extra != NULL){
322 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
323 >              switch (current_extra->getType()){
324 >                case 0:
325 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
326 >                  theBends[j].isGhost = 1;
327 >                  break;
328  
329 +                case 1:
330 +                  theBends[j].ghost = (int) current_extra->getDouble() +
331 +                                      atomOffset;
332 +                  theBends[j].isGhost = 1;
333 +                  break;
334 +
335 +                default:
336 +                  sprintf(painCave.errMsg,
337 +                          "SimSetup Error: ghostVectorSource was neither a "
338 +                          "double nor an int.\n"
339 +                          "-->Bend[%d] in %s\n",
340 +                          j, comp_stamps[stampID]->getID());
341 +                  painCave.isFatal = 1;
342 +                  simError();
343 +              }
344 +            }
345 +            else{
346 +              sprintf(painCave.errMsg,
347 +                      "SimSetup Error: unhandled bend assignment:\n"
348 +                      "    -->%s in Bend[%d] in %s\n",
349 +                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
350 +              painCave.isFatal = 1;
351 +              simError();
352 +            }
353 +
354 +            current_extra = current_extra->getNext();
355 +          }
356 +        }
357 +
358 +        if (!theBends[j].isGhost){
359 +          exI = theBends[j].a;
360 +          exJ = theBends[j].c;
361 +        }
362 +        else{
363 +          exI = theBends[j].a;
364 +          exJ = theBends[j].b;
365 +        }
366 +
367 +        // exclude_I must always be the smaller of the pair
368 +        if (exI > exJ){
369 +          tempEx = exI;
370 +          exI = exJ;
371 +          exJ = tempEx;
372 +        }
373   #ifdef IS_MPI
374 <  
374 >        tempEx = exI;
375 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
376 >        tempEx = exJ;
377 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
378  
379 <  molIndex = 0;
380 <  for(i=0; i<mpiSim->getTotNmol(); i++){
381 <    
382 <    if(mol2proc[i] == worldRank ){
383 <      the_molecules[molIndex].setStampID( molCompType[i] );
384 <      the_molecules[molIndex].setMyIndex( molIndex );
431 <      the_molecules[molIndex].setGlobalIndex( i );
432 <      molIndex++;
433 <    }
434 <  }
379 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
380 > #else  // isn't MPI
381 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
382 > #endif  //is_mpi
383 >      }
384 >      excludeOffset += molInfo.nBends;
385  
386 < #else // is_mpi
387 <  
388 <  molIndex = 0;
389 <  globalAtomIndex = 0;
390 <  for(i=0; i<n_components; i++){
391 <    for(j=0; j<components_nmol[i]; j++ ){
392 <      the_molecules[molIndex].setStampID( i );
393 <      the_molecules[molIndex].setMyIndex( molIndex );
394 <      the_molecules[molIndex].setGlobalIndex( molIndex );
395 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
396 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
397 <        globalAtomIndex++;
386 >      for (j = 0; j < molInfo.nTorsions; j++){
387 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
388 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
389 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
390 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
391 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
392 >
393 >        exI = theTorsions[j].a;
394 >        exJ = theTorsions[j].d;
395 >
396 >        // exclude_I must always be the smaller of the pair
397 >        if (exI > exJ){
398 >          tempEx = exI;
399 >          exI = exJ;
400 >          exJ = tempEx;
401 >        }
402 > #ifdef IS_MPI
403 >        tempEx = exI;
404 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
405 >        tempEx = exJ;
406 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
407 >
408 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
409 > #else  // isn't MPI
410 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
411 > #endif  //is_mpi
412        }
413 <      molIndex++;
450 <    }
451 <  }
452 <    
413 >      excludeOffset += molInfo.nTorsions;
414  
454 #endif // is_mpi
415  
416 +      // send the arrays off to the forceField for init.
417  
418 <  if( simnfo->n_SRI ){
419 <    
420 <    Exclude::createArray(simnfo->n_SRI);
421 <    the_excludes = new Exclude*[simnfo->n_SRI];
422 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
423 <    simnfo->globalExcludes = new int;
424 <    simnfo->n_exclude = simnfo->n_SRI;
418 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
419 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
420 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
421 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
422 >                                 theTorsions);
423 >
424 >
425 >      info[k].molecules[i].initialize(molInfo);
426 >
427 >
428 >      atomOffset += molInfo.nAtoms;
429 >      delete[] theBonds;
430 >      delete[] theBends;
431 >      delete[] theTorsions;
432 >    }
433    }
465  else{
466    
467    Exclude::createArray( 1 );
468    the_excludes = new Exclude*;
469    the_excludes[0] = new Exclude(0);
470    the_excludes[0]->setPair( 0,0 );
471    simnfo->globalExcludes = new int;
472    simnfo->globalExcludes[0] = 0;
473    simnfo->n_exclude = 0;
474  }
434  
435 <  // set the arrays into the SimInfo object
435 > #ifdef IS_MPI
436 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
437 >  MPIcheckPoint();
438 > #endif // is_mpi
439  
440 <  simnfo->atoms = the_atoms;
479 <  simnfo->molecules = the_molecules;
480 <  simnfo->nGlobalExcludes = 0;
481 <  simnfo->excludes = the_excludes;
440 >  // clean up the forcefield
441  
442 +  the_ff->calcRcut();
443 +  the_ff->cleanMe();
444 + }
445  
446 <  // get some of the tricky things that may still be in the globals
446 > void SimSetup::initFromBass(void){
447 >  int i, j, k;
448 >  int n_cells;
449 >  double cellx, celly, cellz;
450 >  double temp1, temp2, temp3;
451 >  int n_per_extra;
452 >  int n_extra;
453 >  int have_extra, done;
454  
455 <  double boxVector[3];
456 <  if( the_globals->haveBox() ){
457 <    boxVector[0] = the_globals->getBox();
458 <    boxVector[1] = the_globals->getBox();
490 <    boxVector[2] = the_globals->getBox();
491 <    
492 <    simnfo->setBox( boxVector );
493 <  }
494 <  else if( the_globals->haveDensity() ){
455 >  double vel[3];
456 >  vel[0] = 0.0;
457 >  vel[1] = 0.0;
458 >  vel[2] = 0.0;
459  
460 <    double vol;
461 <    vol = (double)tot_nmol / the_globals->getDensity();
462 <     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
499 <     boxVector[1] = boxVector[0];
500 <     boxVector[2] = boxVector[0];
460 >  temp1 = (double) tot_nmol / 4.0;
461 >  temp2 = pow(temp1, (1.0 / 3.0));
462 >  temp3 = ceil(temp2);
463  
464 <    simnfo->setBox( boxVector );
465 <  }
466 <  else{
467 <    if( !the_globals->haveBoxX() ){
506 <      sprintf( painCave.errMsg,
507 <               "SimSetup error, no periodic BoxX size given.\n" );
508 <      painCave.isFatal = 1;
509 <      simError();
510 <    }
511 <    boxVector[0] = the_globals->getBoxX();
464 >  have_extra = 0;
465 >  if (temp2 < temp3){
466 >    // we have a non-complete lattice
467 >    have_extra = 1;
468  
469 <    if( !the_globals->haveBoxY() ){
470 <      sprintf( painCave.errMsg,
471 <               "SimSetup error, no periodic BoxY size given.\n" );
472 <      painCave.isFatal = 1;
473 <      simError();
474 <    }
475 <    boxVector[1] = the_globals->getBoxY();
469 >    n_cells = (int) temp3 - 1;
470 >    cellx = info[0].boxL[0] / temp3;
471 >    celly = info[0].boxL[1] / temp3;
472 >    cellz = info[0].boxL[2] / temp3;
473 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
474 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
475 >    n_per_extra = (int) ceil(temp1);
476  
477 <    if( !the_globals->haveBoxZ() ){
478 <      sprintf( painCave.errMsg,
479 <               "SimSetup error, no periodic BoxZ size given.\n" );
477 >    if (n_per_extra > 4){
478 >      sprintf(painCave.errMsg,
479 >              "SimSetup error. There has been an error in constructing"
480 >              " the non-complete lattice.\n");
481        painCave.isFatal = 1;
482        simError();
483      }
527    boxVector[2] = the_globals->getBoxZ();
528
529    simnfo->setBox( boxVector );
484    }
485 +  else{
486 +    n_cells = (int) temp3;
487 +    cellx = info[0].boxL[0] / temp3;
488 +    celly = info[0].boxL[1] / temp3;
489 +    cellz = info[0].boxL[2] / temp3;
490 +  }
491  
492 < #ifdef IS_MPI
493 <  strcpy( checkPointMsg, "Box size set up" );
494 <  MPIcheckPoint();
495 < #endif // is_mpi
492 >  current_mol = 0;
493 >  current_comp_mol = 0;
494 >  current_comp = 0;
495 >  current_atom_ndx = 0;
496  
497 +  for (i = 0; i < n_cells ; i++){
498 +    for (j = 0; j < n_cells; j++){
499 +      for (k = 0; k < n_cells; k++){
500 +        makeElement(i * cellx, j * celly, k * cellz);
501  
502 <  // initialize the arrays
502 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
503  
504 <  the_ff->setSimInfo( simnfo );
504 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
505  
506 <  makeMolecules();
507 <  simnfo->identArray = new int[simnfo->n_atoms];
508 <  for(i=0; i<simnfo->n_atoms; i++){
545 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
506 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
507 >      }
508 >    }
509    }
510 <  
511 <  if (the_globals->getUseRF() ) {
512 <    simnfo->useReactionField = 1;
550 <  
551 <    if( !the_globals->haveECR() ){
552 <      sprintf( painCave.errMsg,
553 <               "SimSetup Warning: using default value of 1/2 the smallest "
554 <               "box length for the electrostaticCutoffRadius.\n"
555 <               "I hope you have a very fast processor!\n");
556 <      painCave.isFatal = 0;
557 <      simError();
558 <      double smallest;
559 <      smallest = simnfo->boxLx;
560 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
561 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
562 <      simnfo->ecr = 0.5 * smallest;
563 <    } else {
564 <      simnfo->ecr        = the_globals->getECR();
565 <    }
510 >
511 >  if (have_extra){
512 >    done = 0;
513  
514 <    if( !the_globals->haveEST() ){
515 <      sprintf( painCave.errMsg,
516 <               "SimSetup Warning: using default value of 0.05 * the "
517 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
518 <               );
519 <      painCave.isFatal = 0;
520 <      simError();
521 <      simnfo->est = 0.05 * simnfo->ecr;
522 <    } else {
523 <      simnfo->est        = the_globals->getEST();
514 >    int start_ndx;
515 >    for (i = 0; i < (n_cells + 1) && !done; i++){
516 >      for (j = 0; j < (n_cells + 1) && !done; j++){
517 >        if (i < n_cells){
518 >          if (j < n_cells){
519 >            start_ndx = n_cells;
520 >          }
521 >          else
522 >            start_ndx = 0;
523 >        }
524 >        else
525 >          start_ndx = 0;
526 >
527 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
528 >          makeElement(i * cellx, j * celly, k * cellz);
529 >          done = (current_mol >= tot_nmol);
530 >
531 >          if (!done && n_per_extra > 1){
532 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
533 >                        k * cellz);
534 >            done = (current_mol >= tot_nmol);
535 >          }
536 >
537 >          if (!done && n_per_extra > 2){
538 >            makeElement(i * cellx, j * celly + 0.5 * celly,
539 >                        k * cellz + 0.5 * cellz);
540 >            done = (current_mol >= tot_nmol);
541 >          }
542 >
543 >          if (!done && n_per_extra > 3){
544 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
545 >                        k * cellz + 0.5 * cellz);
546 >            done = (current_mol >= tot_nmol);
547 >          }
548 >        }
549 >      }
550      }
551 <    
552 <    if(!the_globals->haveDielectric() ){
553 <      sprintf( painCave.errMsg,
554 <               "SimSetup Error: You are trying to use Reaction Field without"
555 <               "setting a dielectric constant!\n"
556 <               );
551 >  }
552 >
553 >  for (i = 0; i < info[0].n_atoms; i++){
554 >    info[0].atoms[i]->setVel(vel);
555 >  }
556 > }
557 >
558 > void SimSetup::makeElement(double x, double y, double z){
559 >  int k;
560 >  AtomStamp* current_atom;
561 >  DirectionalAtom* dAtom;
562 >  double rotMat[3][3];
563 >  double pos[3];
564 >
565 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
566 >    current_atom = comp_stamps[current_comp]->getAtom(k);
567 >    if (!current_atom->havePosition()){
568 >      sprintf(painCave.errMsg,
569 >              "SimSetup:initFromBass error.\n"
570 >              "\tComponent %s, atom %s does not have a position specified.\n"
571 >              "\tThe initialization routine is unable to give a start"
572 >              " position.\n",
573 >              comp_stamps[current_comp]->getID(), current_atom->getType());
574        painCave.isFatal = 1;
575        simError();
576      }
577 <    simnfo->dielectric = the_globals->getDielectric();  
578 <  } else {
579 <    if (usesDipoles) {
580 <      
581 <      if( !the_globals->haveECR() ){
582 <        sprintf( painCave.errMsg,
583 <                 "SimSetup Warning: using default value of 1/2 the smallest "
584 <                 "box length for the electrostaticCutoffRadius.\n"
585 <                 "I hope you have a very fast processor!\n");
586 <        painCave.isFatal = 0;
587 <        simError();
588 <        double smallest;
589 <        smallest = simnfo->boxLx;
590 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
591 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
592 <        simnfo->ecr = 0.5 * smallest;
593 <      } else {
594 <        simnfo->ecr        = the_globals->getECR();
595 <      }
596 <      
597 <      if( !the_globals->haveEST() ){
598 <        sprintf( painCave.errMsg,
599 <                 "SimSetup Warning: using default value of 5%% of the "
610 <                 "electrostaticCutoffRadius for the "
611 <                 "electrostaticSkinThickness\n"
612 <                 );
613 <        painCave.isFatal = 0;
614 <        simError();
615 <        simnfo->est = 0.05 * simnfo->ecr;
616 <      } else {
617 <        simnfo->est        = the_globals->getEST();
618 <      }
577 >
578 >    pos[0] = x + current_atom->getPosX();
579 >    pos[1] = y + current_atom->getPosY();
580 >    pos[2] = z + current_atom->getPosZ();
581 >
582 >    info[0].atoms[current_atom_ndx]->setPos(pos);
583 >
584 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
585 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
586 >
587 >      rotMat[0][0] = 1.0;
588 >      rotMat[0][1] = 0.0;
589 >      rotMat[0][2] = 0.0;
590 >
591 >      rotMat[1][0] = 0.0;
592 >      rotMat[1][1] = 1.0;
593 >      rotMat[1][2] = 0.0;
594 >
595 >      rotMat[2][0] = 0.0;
596 >      rotMat[2][1] = 0.0;
597 >      rotMat[2][2] = 1.0;
598 >
599 >      dAtom->setA(rotMat);
600      }
620  }  
601  
602 < #ifdef IS_MPI
603 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
624 <  MPIcheckPoint();
625 < #endif // is_mpi
602 >    current_atom_ndx++;
603 >  }
604  
605 < if( the_globals->haveInitialConfig() ){
606 <
629 <     InitializeFromFile* fileInit;
630 < #ifdef IS_MPI // is_mpi
631 <     if( worldRank == 0 ){
632 < #endif //is_mpi
633 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
634 < #ifdef IS_MPI
635 <     }else fileInit = new InitializeFromFile( NULL );
636 < #endif
637 <   fileInit->read_xyz( simnfo ); // default velocities on
605 >  current_mol++;
606 >  current_comp_mol++;
607  
608 <   delete fileInit;
609 < }
610 < else{
608 >  if (current_comp_mol >= components_nmol[current_comp]){
609 >    current_comp_mol = 0;
610 >    current_comp++;
611 >  }
612 > }
613  
643 #ifdef IS_MPI
614  
615 <  // no init from bass
616 <  
647 <  sprintf( painCave.errMsg,
648 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
649 <  painCave.isFatal;
650 <  simError();
651 <  
652 < #else
615 > void SimSetup::gatherInfo(void){
616 >  int i;
617  
618 <  initFromBass();
618 >  ensembleCase = -1;
619 >  ffCase = -1;
620  
621 +  // set the easy ones first
622  
623 < #endif
624 < }
623 >  for (i = 0; i < nInfo; i++){
624 >    info[i].target_temp = globals->getTargetTemp();
625 >    info[i].dt = globals->getDt();
626 >    info[i].run_time = globals->getRunTime();
627 >  }
628 >  n_components = globals->getNComponents();
629  
660 #ifdef IS_MPI
661  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
662  MPIcheckPoint();
663 #endif // is_mpi
630  
631 +  // get the forceField
632  
633 <  
667 <
668 <  
633 >  strcpy(force_field, globals->getForceField());
634  
635 <  
636 < #ifdef IS_MPI
637 <  if( worldRank == 0 ){
638 < #endif // is_mpi
639 <    
640 <    if( the_globals->haveFinalConfig() ){
641 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
642 <    }
643 <    else{
644 <      strcpy( simnfo->finalName, inFileName );
645 <      char* endTest;
646 <      int nameLength = strlen( simnfo->finalName );
647 <      endTest = &(simnfo->finalName[nameLength - 5]);
648 <      if( !strcmp( endTest, ".bass" ) ){
649 <        strcpy( endTest, ".eor" );
650 <      }
651 <      else if( !strcmp( endTest, ".BASS" ) ){
652 <        strcpy( endTest, ".eor" );
653 <      }
654 <      else{
655 <        endTest = &(simnfo->finalName[nameLength - 4]);
656 <        if( !strcmp( endTest, ".bss" ) ){
657 <          strcpy( endTest, ".eor" );
658 <        }
659 <        else if( !strcmp( endTest, ".mdl" ) ){
695 <          strcpy( endTest, ".eor" );
696 <        }
697 <        else{
698 <          strcat( simnfo->finalName, ".eor" );
699 <        }
700 <      }
701 <    }
702 <    
703 <    // make the sample and status out names
704 <    
705 <    strcpy( simnfo->sampleName, inFileName );
706 <    char* endTest;
707 <    int nameLength = strlen( simnfo->sampleName );
708 <    endTest = &(simnfo->sampleName[nameLength - 5]);
709 <    if( !strcmp( endTest, ".bass" ) ){
710 <      strcpy( endTest, ".dump" );
711 <    }
712 <    else if( !strcmp( endTest, ".BASS" ) ){
713 <      strcpy( endTest, ".dump" );
714 <    }
715 <    else{
716 <      endTest = &(simnfo->sampleName[nameLength - 4]);
717 <      if( !strcmp( endTest, ".bss" ) ){
718 <        strcpy( endTest, ".dump" );
719 <      }
720 <      else if( !strcmp( endTest, ".mdl" ) ){
721 <        strcpy( endTest, ".dump" );
722 <      }
723 <      else{
724 <        strcat( simnfo->sampleName, ".dump" );
725 <      }
726 <    }
727 <    
728 <    strcpy( simnfo->statusName, inFileName );
729 <    nameLength = strlen( simnfo->statusName );
730 <    endTest = &(simnfo->statusName[nameLength - 5]);
731 <    if( !strcmp( endTest, ".bass" ) ){
732 <      strcpy( endTest, ".stat" );
733 <    }
734 <    else if( !strcmp( endTest, ".BASS" ) ){
735 <      strcpy( endTest, ".stat" );
736 <    }
737 <    else{
738 <      endTest = &(simnfo->statusName[nameLength - 4]);
739 <      if( !strcmp( endTest, ".bss" ) ){
740 <        strcpy( endTest, ".stat" );
741 <      }
742 <      else if( !strcmp( endTest, ".mdl" ) ){
743 <        strcpy( endTest, ".stat" );
744 <      }
745 <      else{
746 <        strcat( simnfo->statusName, ".stat" );
747 <      }
748 <    }
749 <    
750 < #ifdef IS_MPI
635 >  if (!strcasecmp(force_field, "DUFF")){
636 >    ffCase = FF_DUFF;
637 >  }
638 >  else if (!strcasecmp(force_field, "LJ")){
639 >    ffCase = FF_LJ;
640 >  }
641 >  else if (!strcasecmp(force_field, "EAM")){
642 >    ffCase = FF_EAM;
643 >  }
644 >  else if (!strcasecmp(force_field, "WATER")){
645 >    ffCase = FF_H2O;
646 >  }
647 >  else{
648 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
649 >            force_field);
650 >         painCave.isFatal = 1;
651 >         simError();
652 >  }
653 >
654 >    // get the ensemble
655 >
656 >  strcpy(ensemble, globals->getEnsemble());
657 >
658 >  if (!strcasecmp(ensemble, "NVE")){
659 >    ensembleCase = NVE_ENS;
660    }
661 < #endif // is_mpi
662 <  
754 <  // set the status, sample, and themal kick times
755 <  
756 <  if( the_globals->haveSampleTime() ){
757 <    simnfo->sampleTime = the_globals->getSampleTime();
758 <    simnfo->statusTime = simnfo->sampleTime;
759 <    simnfo->thermalTime = simnfo->sampleTime;
661 >  else if (!strcasecmp(ensemble, "NVT")){
662 >    ensembleCase = NVT_ENS;
663    }
664 <  else{
665 <    simnfo->sampleTime = the_globals->getRunTime();
763 <    simnfo->statusTime = simnfo->sampleTime;
764 <    simnfo->thermalTime = simnfo->sampleTime;
664 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
665 >    ensembleCase = NPTi_ENS;
666    }
667 <
668 <  if( the_globals->haveStatusTime() ){
768 <    simnfo->statusTime = the_globals->getStatusTime();
667 >  else if (!strcasecmp(ensemble, "NPTf")){
668 >    ensembleCase = NPTf_ENS;
669    }
670 <
671 <  if( the_globals->haveThermalTime() ){
772 <    simnfo->thermalTime = the_globals->getThermalTime();
670 >  else if (!strcasecmp(ensemble, "NPTxyz")){
671 >    ensembleCase = NPTxyz_ENS;
672    }
673 +  else{
674 +    sprintf(painCave.errMsg,
675 +            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
676 +            "\treverting to NVE for this simulation.\n",
677 +            ensemble);
678 +         painCave.isFatal = 0;
679 +         simError();
680 +         strcpy(ensemble, "NVE");
681 +         ensembleCase = NVE_ENS;
682 +  }  
683  
684 <  // check for the temperature set flag
684 >  for (i = 0; i < nInfo; i++){
685 >    strcpy(info[i].ensemble, ensemble);
686  
687 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
687 >    // get the mixing rule
688  
689 +    strcpy(info[i].mixingRule, globals->getMixingRule());
690 +    info[i].usePBC = globals->getPBC();
691 +  }
692  
693 <  // make the integrator
781 <  
782 <  
783 <  NVT*  myNVT = NULL;
784 <  NPTi* myNPTi = NULL;
785 <  NPTf* myNPTf = NULL;
786 <  switch( ensembleCase ){
693 >  // get the components and calculate the tot_nMol and indvidual n_mol
694  
695 <  case NVE_ENS:
696 <    new NVE( simnfo, the_ff );
790 <    break;
695 >  the_components = globals->getComponents();
696 >  components_nmol = new int[n_components];
697  
792  case NVT_ENS:
793    myNVT = new NVT( simnfo, the_ff );
794    myNVT->setTargetTemp(the_globals->getTargetTemp());
698  
699 <    if (the_globals->haveTauThermostat())
700 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
699 >  if (!globals->haveNMol()){
700 >    // we don't have the total number of molecules, so we assume it is
701 >    // given in each component
702  
703 <    else {
704 <      sprintf( painCave.errMsg,
705 <               "SimSetup error: If you use the NVT\n"
706 <               "    ensemble, you must set tauThermostat.\n");
707 <      painCave.isFatal = 1;
708 <      simError();
703 >    tot_nmol = 0;
704 >    for (i = 0; i < n_components; i++){
705 >      if (!the_components[i]->haveNMol()){
706 >        // we have a problem
707 >        sprintf(painCave.errMsg,
708 >                "SimSetup Error. No global NMol or component NMol given.\n"
709 >                "\tCannot calculate the number of atoms.\n");
710 >        painCave.isFatal = 1;
711 >        simError();
712 >      }
713 >
714 >      tot_nmol += the_components[i]->getNMol();
715 >      components_nmol[i] = the_components[i]->getNMol();
716      }
717 <    break;
717 >  }
718 >  else{
719 >    sprintf(painCave.errMsg,
720 >            "SimSetup error.\n"
721 >            "\tSorry, the ability to specify total"
722 >            " nMols and then give molfractions in the components\n"
723 >            "\tis not currently supported."
724 >            " Please give nMol in the components.\n");
725 >    painCave.isFatal = 1;
726 >    simError();
727 >  }
728  
729 <  case NPTi_ENS:
730 <    myNPTi = new NPTi( simnfo, the_ff );
731 <    myNPTi->setTargetTemp( the_globals->getTargetTemp());
729 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
730 >  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
731 >    sprintf(painCave.errMsg,
732 >            "Sample time is not divisible by dt.\n"
733 >            "\tThis will result in samples that are not uniformly\n"
734 >            "\tdistributed in time.  If this is a problem, change\n"
735 >            "\tyour sampleTime variable.\n");
736 >    painCave.isFatal = 0;
737 >    simError();    
738 >  }
739  
740 <    if (the_globals->haveTargetPressure())
741 <      myNPTi->setTargetPressure(the_globals->getTargetPressure());
742 <    else {
743 <      sprintf( painCave.errMsg,
744 <               "SimSetup error: If you use a constant pressure\n"
745 <               "    ensemble, you must set targetPressure in the BASS file.\n");
746 <      painCave.isFatal = 1;
747 <      simError();
748 <    }
749 <    
750 <    if( the_globals->haveTauThermostat() )
751 <      myNPTi->setTauThermostat( the_globals->getTauThermostat() );
740 >  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
741 >    sprintf(painCave.errMsg,
742 >            "Status time is not divisible by dt.\n"
743 >            "\tThis will result in status reports that are not uniformly\n"
744 >            "\tdistributed in time.  If this is a problem, change \n"
745 >            "\tyour statusTime variable.\n");
746 >    painCave.isFatal = 0;
747 >    simError();    
748 >  }
749 >
750 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
751 >    sprintf(painCave.errMsg,
752 >            "Thermal time is not divisible by dt.\n"
753 >            "\tThis will result in thermalizations that are not uniformly\n"
754 >            "\tdistributed in time.  If this is a problem, change \n"
755 >            "\tyour thermalTime variable.\n");
756 >    painCave.isFatal = 0;
757 >    simError();    
758 >  }  
759 >
760 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
761 >    sprintf(painCave.errMsg,
762 >            "Reset time is not divisible by dt.\n"
763 >            "\tThis will result in integrator resets that are not uniformly\n"
764 >            "\tdistributed in time.  If this is a problem, change\n"
765 >            "\tyour resetTime variable.\n");
766 >    painCave.isFatal = 0;
767 >    simError();    
768 >  }
769 >
770 >  // set the status, sample, and thermal kick times
771 >
772 >  for (i = 0; i < nInfo; i++){
773 >    if (globals->haveSampleTime()){
774 >      info[i].sampleTime = globals->getSampleTime();
775 >      info[i].statusTime = info[i].sampleTime;
776 >      info[i].thermalTime = info[i].sampleTime;
777 >    }
778      else{
779 <      sprintf( painCave.errMsg,
780 <               "SimSetup error: If you use an NPT\n"
781 <               "    ensemble, you must set tauThermostat.\n");
828 <      painCave.isFatal = 1;
829 <      simError();
779 >      info[i].sampleTime = globals->getRunTime();
780 >      info[i].statusTime = info[i].sampleTime;
781 >      info[i].thermalTime = info[i].sampleTime;
782      }
783  
784 <    if( the_globals->haveTauBarostat() )
785 <      myNPTi->setTauBarostat( the_globals->getTauBarostat() );
834 <    else{
835 <      sprintf( painCave.errMsg,
836 <               "SimSetup error: If you use an NPT\n"
837 <               "    ensemble, you must set tauBarostat.\n");
838 <      painCave.isFatal = 1;
839 <      simError();
784 >    if (globals->haveStatusTime()){
785 >      info[i].statusTime = globals->getStatusTime();
786      }
841    break;
787  
788 <  case NPTf_ENS:
789 <    myNPTf = new NPTf( simnfo, the_ff );
845 <    myNPTf->setTargetTemp( the_globals->getTargetTemp());
846 <
847 <    if (the_globals->haveTargetPressure())
848 <      myNPTf->setTargetPressure(the_globals->getTargetPressure());
849 <    else {
850 <      sprintf( painCave.errMsg,
851 <               "SimSetup error: If you use a constant pressure\n"
852 <               "    ensemble, you must set targetPressure in the BASS file.\n");
853 <      painCave.isFatal = 1;
854 <      simError();
855 <    }    
856 <
857 <    if( the_globals->haveTauThermostat() )
858 <      myNPTf->setTauThermostat( the_globals->getTauThermostat() );
859 <    else{
860 <      sprintf( painCave.errMsg,
861 <               "SimSetup error: If you use an NPT\n"
862 <               "    ensemble, you must set tauThermostat.\n");
863 <      painCave.isFatal = 1;
864 <      simError();
788 >    if (globals->haveThermalTime()){
789 >      info[i].thermalTime = globals->getThermalTime();
790      }
791  
792 <    if( the_globals->haveTauBarostat() )
793 <      myNPTf->setTauBarostat( the_globals->getTauBarostat() );
794 <    else{
795 <      sprintf( painCave.errMsg,
871 <               "SimSetup error: If you use an NPT\n"
872 <               "    ensemble, you must set tauBarostat.\n");
873 <      painCave.isFatal = 1;
874 <      simError();
792 >    info[i].resetIntegrator = 0;
793 >    if( globals->haveResetTime() ){
794 >      info[i].resetTime = globals->getResetTime();
795 >      info[i].resetIntegrator = 1;
796      }
797 <    break;
797 >
798 >    // check for the temperature set flag
799      
800 <    
800 >    if (globals->haveTempSet())
801 >      info[i].setTemp = globals->getTempSet();
802  
803 <  default:
804 <    sprintf( painCave.errMsg,
805 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
806 <    painCave.isFatal = 1;
807 <    simError();
803 >    // check for the extended State init
804 >
805 >    info[i].useInitXSstate = globals->getUseInitXSstate();
806 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
807 >    
808    }
809 +  
810 +  //setup seed for random number generator
811 +  int seedValue;
812  
813 +  if (globals->haveSeed()){
814 +    seedValue = globals->getSeed();
815  
816 < #ifdef IS_MPI
817 <  mpiSim->mpiRefresh();
818 < #endif
816 >    if(seedValue / 1E9 == 0){
817 >      sprintf(painCave.errMsg,
818 >              "Seed for sprng library should contain at least 9 digits\n"
819 >              "OOPSE will generate a seed for user\n");
820 >      painCave.isFatal = 0;
821 >      simError();
822  
823 <  // initialize the Fortran
824 <
825 <
826 <  simnfo->refreshSim();
827 <  
828 <  if( !strcmp( simnfo->mixingRule, "standard") ){
829 <    the_ff->initForceField( LB_MIXING_RULE );
830 <  }
831 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
832 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
833 <  }
823 >      //using seed generated by system instead of invalid seed set by user
824 > #ifndef IS_MPI
825 >      seedValue = make_sprng_seed();
826 > #else
827 >      if (worldRank == 0){
828 >        seedValue = make_sprng_seed();
829 >      }
830 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
831 > #endif      
832 >    }
833 >  }//end of if branch of globals->haveSeed()
834    else{
835 <    sprintf( painCave.errMsg,
836 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
837 <             simnfo->mixingRule );
838 <    painCave.isFatal = 1;
839 <    simError();
840 <  }
835 >    
836 > #ifndef IS_MPI
837 >    seedValue = make_sprng_seed();
838 > #else
839 >    if (worldRank == 0){
840 >      seedValue = make_sprng_seed();
841 >    }
842 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
843 > #endif
844 >  }//end of globals->haveSeed()
845  
846 <
846 >  for (int i = 0; i < nInfo; i++){
847 >    info[i].setSeed(seedValue);
848 >  }
849 >  
850   #ifdef IS_MPI
851 <  strcpy( checkPointMsg,
914 <          "Successfully intialized the mixingRule for Fortran." );
851 >  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
852    MPIcheckPoint();
853   #endif // is_mpi
854   }
855  
856  
857 < void SimSetup::makeMolecules( void ){
857 > void SimSetup::finalInfoCheck(void){
858 >  int index;
859 >  int usesDipoles;
860 >  int i;
861  
862 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
863 <  molInit info;
924 <  DirectionalAtom* dAtom;
925 <  LinkedAssign* extras;
926 <  LinkedAssign* current_extra;
927 <  AtomStamp* currentAtom;
928 <  BondStamp* currentBond;
929 <  BendStamp* currentBend;
930 <  TorsionStamp* currentTorsion;
862 >  for (i = 0; i < nInfo; i++){
863 >    // check electrostatic parameters
864  
865 <  bond_pair* theBonds;
866 <  bend_set* theBends;
867 <  torsion_set* theTorsions;
865 >    index = 0;
866 >    usesDipoles = 0;
867 >    while ((index < info[i].n_atoms) && !usesDipoles){
868 >      usesDipoles = (info[i].atoms[index])->hasDipole();
869 >      index++;
870 >    }
871  
872 <  
873 <  //init the forceField paramters
872 > #ifdef IS_MPI
873 >    int myUse = usesDipoles;
874 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
875 > #endif //is_mpi
876  
877 <  the_ff->readParams();
877 >    double theEcr, theEst;
878  
879 <  
880 <  // init the atoms
879 >    if (globals->getUseRF()){
880 >      info[i].useReactionField = 1;
881  
882 <  double ux, uy, uz, u, uSqr;
883 <  
884 <  atomOffset = 0;
885 <  excludeOffset = 0;
886 <  for(i=0; i<simnfo->n_mol; i++){
887 <    
888 <    stampID = the_molecules[i].getStampID();
882 >      if (!globals->haveECR()){
883 >        sprintf(painCave.errMsg,
884 >                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
885 >                "\tOOPSE will use a default value of 15.0 angstroms"
886 >                "\tfor the electrostaticCutoffRadius.\n");
887 >        painCave.isFatal = 0;
888 >        simError();
889 >        theEcr = 15.0;
890 >      }
891 >      else{
892 >        theEcr = globals->getECR();
893 >      }
894  
895 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
896 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
897 <    info.nBends    = comp_stamps[stampID]->getNBends();
898 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
899 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
895 >      if (!globals->haveEST()){
896 >        sprintf(painCave.errMsg,
897 >                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
898 >                "\tOOPSE will use a default value of\n"
899 >                "\t0.05 * electrostaticCutoffRadius\n"
900 >                "\tfor the electrostaticSkinThickness\n");
901 >        painCave.isFatal = 0;
902 >        simError();
903 >        theEst = 0.05 * theEcr;
904 >      }
905 >      else{
906 >        theEst = globals->getEST();
907 >      }
908  
909 <    info.myAtoms = &the_atoms[atomOffset];
959 <    info.myExcludes = &the_excludes[excludeOffset];
960 <    info.myBonds = new Bond*[info.nBonds];
961 <    info.myBends = new Bend*[info.nBends];
962 <    info.myTorsions = new Torsion*[info.nTorsions];
909 >      info[i].setDefaultEcr(theEcr, theEst);
910  
911 <    theBonds = new bond_pair[info.nBonds];
912 <    theBends = new bend_set[info.nBends];
913 <    theTorsions = new torsion_set[info.nTorsions];
914 <    
915 <    // make the Atoms
916 <    
917 <    for(j=0; j<info.nAtoms; j++){
918 <      
919 <      currentAtom = comp_stamps[stampID]->getAtom( j );
920 <      if( currentAtom->haveOrientation() ){
911 >      if (!globals->haveDielectric()){
912 >        sprintf(painCave.errMsg,
913 >                "SimSetup Error: No Dielectric constant was set.\n"
914 >                "\tYou are trying to use Reaction Field without"
915 >                "\tsetting a dielectric constant!\n");
916 >        painCave.isFatal = 1;
917 >        simError();
918 >      }
919 >      info[i].dielectric = globals->getDielectric();
920 >    }
921 >    else{
922 >      if (usesDipoles){
923 >        if (!globals->haveECR()){
924 >          sprintf(painCave.errMsg,
925 >                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
926 >                  "\tOOPSE will use a default value of 15.0 angstroms"
927 >                  "\tfor the electrostaticCutoffRadius.\n");
928 >          painCave.isFatal = 0;
929 >          simError();
930 >          theEcr = 15.0;
931 >        }
932 >        else{
933 >          theEcr = globals->getECR();
934 >        }
935          
936 <        dAtom = new DirectionalAtom(j + atomOffset);
937 <        simnfo->n_oriented++;
938 <        info.myAtoms[j] = dAtom;
936 >        if (!globals->haveEST()){
937 >          sprintf(painCave.errMsg,
938 >                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
939 >                  "\tOOPSE will use a default value of\n"
940 >                  "\t0.05 * electrostaticCutoffRadius\n"
941 >                  "\tfor the electrostaticSkinThickness\n");
942 >          painCave.isFatal = 0;
943 >          simError();
944 >          theEst = 0.05 * theEcr;
945 >        }
946 >        else{
947 >          theEst = globals->getEST();
948 >        }
949          
950 <        ux = currentAtom->getOrntX();
980 <        uy = currentAtom->getOrntY();
981 <        uz = currentAtom->getOrntZ();
982 <        
983 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
984 <        
985 <        u = sqrt( uSqr );
986 <        ux = ux / u;
987 <        uy = uy / u;
988 <        uz = uz / u;
989 <        
990 <        dAtom->setSUx( ux );
991 <        dAtom->setSUy( uy );
992 <        dAtom->setSUz( uz );
950 >        info[i].setDefaultEcr(theEcr, theEst);
951        }
952 <      else{
953 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
996 <      }
997 <      info.myAtoms[j]->setType( currentAtom->getType() );
998 <    
952 >    }
953 >  }
954   #ifdef IS_MPI
955 <      
956 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
1002 <      
955 >  strcpy(checkPointMsg, "post processing checks out");
956 >  MPIcheckPoint();
957   #endif // is_mpi
958 <    }
958 > }
959 >  
960 > void SimSetup::initSystemCoords(void){
961 >  int i;
962 >
963 >  char* inName;
964 >
965 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
966 >
967 >  for (i = 0; i < info[0].n_atoms; i++)
968 >    info[0].atoms[i]->setCoords();
969 >
970 >  if (globals->haveInitialConfig()){
971 >    InitializeFromFile* fileInit;
972 > #ifdef IS_MPI // is_mpi
973 >    if (worldRank == 0){
974 > #endif //is_mpi
975 >      inName = globals->getInitialConfig();
976 >      fileInit = new InitializeFromFile(inName);
977 > #ifdef IS_MPI
978 >    }
979 >    else
980 >      fileInit = new InitializeFromFile(NULL);
981 > #endif
982 >    fileInit->readInit(info); // default velocities on
983 >
984 >    delete fileInit;
985 >  }
986 >  else{
987      
988 <    // make the bonds
989 <    for(j=0; j<info.nBonds; j++){
990 <      
991 <      currentBond = comp_stamps[stampID]->getBond( j );
992 <      theBonds[j].a = currentBond->getA() + atomOffset;
993 <      theBonds[j].b = currentBond->getB() + atomOffset;
988 >    // no init from bass
989 >    
990 >    sprintf(painCave.errMsg,
991 >            "Cannot intialize a simulation without an initial configuration file.\n");
992 >    painCave.isFatal = 1;;
993 >    simError();
994 >    
995 >  }
996  
997 <      exI = theBonds[j].a;
998 <      exJ = theBonds[j].b;
997 > #ifdef IS_MPI
998 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
999 >  MPIcheckPoint();
1000 > #endif // is_mpi
1001 > }
1002  
1003 <      // exclude_I must always be the smaller of the pair
1004 <      if( exI > exJ ){
1005 <        tempEx = exI;
1006 <        exI = exJ;
1007 <        exJ = tempEx;
1008 <      }
1003 >
1004 > void SimSetup::makeOutNames(void){
1005 >  int k;
1006 >
1007 >
1008 >  for (k = 0; k < nInfo; k++){
1009   #ifdef IS_MPI
1010 <      tempEx = exI;
1011 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1025 <      tempEx = exJ;
1026 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1027 <      
1028 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1029 < #else  // isn't MPI
1010 >    if (worldRank == 0){
1011 > #endif // is_mpi
1012  
1013 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1014 < #endif  //is_mpi
1015 <    }
1016 <    excludeOffset += info.nBonds;
1013 >      if (globals->haveFinalConfig()){
1014 >        strcpy(info[k].finalName, globals->getFinalConfig());
1015 >      }
1016 >      else{
1017 >        strcpy(info[k].finalName, inFileName);
1018 >        char* endTest;
1019 >        int nameLength = strlen(info[k].finalName);
1020 >        endTest = &(info[k].finalName[nameLength - 5]);
1021 >        if (!strcmp(endTest, ".bass")){
1022 >          strcpy(endTest, ".eor");
1023 >        }
1024 >        else if (!strcmp(endTest, ".BASS")){
1025 >          strcpy(endTest, ".eor");
1026 >        }
1027 >        else{
1028 >          endTest = &(info[k].finalName[nameLength - 4]);
1029 >          if (!strcmp(endTest, ".bss")){
1030 >            strcpy(endTest, ".eor");
1031 >          }
1032 >          else if (!strcmp(endTest, ".mdl")){
1033 >            strcpy(endTest, ".eor");
1034 >          }
1035 >          else{
1036 >            strcat(info[k].finalName, ".eor");
1037 >          }
1038 >        }
1039 >      }
1040  
1041 <    //make the bends
1042 <    for(j=0; j<info.nBends; j++){
1043 <      
1044 <      currentBend = comp_stamps[stampID]->getBend( j );
1045 <      theBends[j].a = currentBend->getA() + atomOffset;
1046 <      theBends[j].b = currentBend->getB() + atomOffset;
1047 <      theBends[j].c = currentBend->getC() + atomOffset;
1048 <          
1044 <      if( currentBend->haveExtras() ){
1045 <            
1046 <        extras = currentBend->getExtras();
1047 <        current_extra = extras;
1048 <            
1049 <        while( current_extra != NULL ){
1050 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
1051 <                
1052 <            switch( current_extra->getType() ){
1053 <              
1054 <            case 0:
1055 <              theBends[j].ghost =
1056 <                current_extra->getInt() + atomOffset;
1057 <              theBends[j].isGhost = 1;
1058 <              break;
1059 <                  
1060 <            case 1:
1061 <              theBends[j].ghost =
1062 <                (int)current_extra->getDouble() + atomOffset;
1063 <              theBends[j].isGhost = 1;
1064 <              break;
1065 <              
1066 <            default:
1067 <              sprintf( painCave.errMsg,
1068 <                       "SimSetup Error: ghostVectorSource was neither a "
1069 <                       "double nor an int.\n"
1070 <                       "-->Bend[%d] in %s\n",
1071 <                       j, comp_stamps[stampID]->getID() );
1072 <              painCave.isFatal = 1;
1073 <              simError();
1074 <            }
1075 <          }
1076 <          
1077 <          else{
1078 <            
1079 <            sprintf( painCave.errMsg,
1080 <                     "SimSetup Error: unhandled bend assignment:\n"
1081 <                     "    -->%s in Bend[%d] in %s\n",
1082 <                     current_extra->getlhs(),
1083 <                     j, comp_stamps[stampID]->getID() );
1084 <            painCave.isFatal = 1;
1085 <            simError();
1086 <          }
1087 <          
1088 <          current_extra = current_extra->getNext();
1089 <        }
1041 >      // make the sample and status out names
1042 >
1043 >      strcpy(info[k].sampleName, inFileName);
1044 >      char* endTest;
1045 >      int nameLength = strlen(info[k].sampleName);
1046 >      endTest = &(info[k].sampleName[nameLength - 5]);
1047 >      if (!strcmp(endTest, ".bass")){
1048 >        strcpy(endTest, ".dump");
1049        }
1050 <          
1051 <      if( !theBends[j].isGhost ){
1093 <            
1094 <        exI = theBends[j].a;
1095 <        exJ = theBends[j].c;
1050 >      else if (!strcmp(endTest, ".BASS")){
1051 >        strcpy(endTest, ".dump");
1052        }
1053        else{
1054 <        
1055 <        exI = theBends[j].a;
1056 <        exJ = theBends[j].b;
1054 >        endTest = &(info[k].sampleName[nameLength - 4]);
1055 >        if (!strcmp(endTest, ".bss")){
1056 >          strcpy(endTest, ".dump");
1057 >        }
1058 >        else if (!strcmp(endTest, ".mdl")){
1059 >          strcpy(endTest, ".dump");
1060 >        }
1061 >        else{
1062 >          strcat(info[k].sampleName, ".dump");
1063 >        }
1064        }
1065 <      
1066 <      // exclude_I must always be the smaller of the pair
1067 <      if( exI > exJ ){
1068 <        tempEx = exI;
1069 <        exI = exJ;
1070 <        exJ = tempEx;
1065 >
1066 >      strcpy(info[k].statusName, inFileName);
1067 >      nameLength = strlen(info[k].statusName);
1068 >      endTest = &(info[k].statusName[nameLength - 5]);
1069 >      if (!strcmp(endTest, ".bass")){
1070 >        strcpy(endTest, ".stat");
1071        }
1072 +      else if (!strcmp(endTest, ".BASS")){
1073 +        strcpy(endTest, ".stat");
1074 +      }
1075 +      else{
1076 +        endTest = &(info[k].statusName[nameLength - 4]);
1077 +        if (!strcmp(endTest, ".bss")){
1078 +          strcpy(endTest, ".stat");
1079 +        }
1080 +        else if (!strcmp(endTest, ".mdl")){
1081 +          strcpy(endTest, ".stat");
1082 +        }
1083 +        else{
1084 +          strcat(info[k].statusName, ".stat");
1085 +        }
1086 +      }
1087 +
1088   #ifdef IS_MPI
1089 <      tempEx = exI;
1111 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1112 <      tempEx = exJ;
1113 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1114 <      
1115 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1116 < #else  // isn't MPI
1117 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1118 < #endif  //is_mpi
1089 >
1090      }
1091 <    excludeOffset += info.nBends;
1091 > #endif // is_mpi
1092 >  }
1093 > }
1094  
1122    for(j=0; j<info.nTorsions; j++){
1123      
1124      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1125      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1126      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1127      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1128      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1129      
1130      exI = theTorsions[j].a;
1131      exJ = theTorsions[j].d;
1095  
1096 <      // exclude_I must always be the smaller of the pair
1097 <      if( exI > exJ ){
1135 <        tempEx = exI;
1136 <        exI = exJ;
1137 <        exJ = tempEx;
1138 <      }
1139 < #ifdef IS_MPI
1140 <      tempEx = exI;
1141 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1142 <      tempEx = exJ;
1143 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1144 <      
1145 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1146 < #else  // isn't MPI
1147 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1148 < #endif  //is_mpi
1149 <    }
1150 <    excludeOffset += info.nTorsions;
1096 > void SimSetup::sysObjectsCreation(void){
1097 >  int i, k;
1098  
1099 <    
1153 <    // send the arrays off to the forceField for init.
1099 >  // create the forceField
1100  
1101 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1156 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1157 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1158 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1101 >  createFF();
1102  
1103 +  // extract componentList
1104  
1105 <    the_molecules[i].initialize( info );
1105 >  compList();
1106  
1107 +  // calc the number of atoms, bond, bends, and torsions
1108  
1109 <    atomOffset += info.nAtoms;
1165 <    delete[] theBonds;
1166 <    delete[] theBends;
1167 <    delete[] theTorsions;
1168 <  }
1109 >  calcSysValues();
1110  
1111   #ifdef IS_MPI
1112 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1172 <  MPIcheckPoint();
1173 < #endif // is_mpi
1112 >  // divide the molecules among the processors
1113  
1114 <  // clean up the forcefield
1115 <  the_ff->calcRcut();
1116 <  the_ff->cleanMe();
1114 >  mpiMolDivide();
1115 > #endif //is_mpi
1116 >
1117 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1118  
1119 +  makeSysArrays();
1120 +
1121 +  // make and initialize the molecules (all but atomic coordinates)
1122 +
1123 +  makeMolecules();
1124 +
1125 +  for (k = 0; k < nInfo; k++){
1126 +    info[k].identArray = new int[info[k].n_atoms];
1127 +    for (i = 0; i < info[k].n_atoms; i++){
1128 +      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1129 +    }
1130 +  }
1131   }
1132  
1181 void SimSetup::initFromBass( void ){
1133  
1134 <  int i, j, k;
1135 <  int n_cells;
1136 <  double cellx, celly, cellz;
1137 <  double temp1, temp2, temp3;
1138 <  int n_per_extra;
1188 <  int n_extra;
1189 <  int have_extra, done;
1134 > void SimSetup::createFF(void){
1135 >  switch (ffCase){
1136 >    case FF_DUFF:
1137 >      the_ff = new DUFF();
1138 >      break;
1139  
1140 <  temp1 = (double)tot_nmol / 4.0;
1141 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1142 <  temp3 = ceil( temp2 );
1140 >    case FF_LJ:
1141 >      the_ff = new LJFF();
1142 >      break;
1143  
1144 <  have_extra =0;
1145 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1146 <    have_extra =1;
1144 >    case FF_EAM:
1145 >      the_ff = new EAM_FF();
1146 >      break;
1147  
1148 <    n_cells = (int)temp3 - 1;
1149 <    cellx = simnfo->boxLx / temp3;
1150 <    celly = simnfo->boxLy / temp3;
1202 <    cellz = simnfo->boxLz / temp3;
1203 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1204 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1205 <    n_per_extra = (int)ceil( temp1 );
1148 >    case FF_H2O:
1149 >      the_ff = new WATER();
1150 >      break;
1151  
1152 <    if( n_per_extra > 4){
1153 <      sprintf( painCave.errMsg,
1154 <               "SimSetup error. There has been an error in constructing"
1210 <               " the non-complete lattice.\n" );
1152 >    default:
1153 >      sprintf(painCave.errMsg,
1154 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1155        painCave.isFatal = 1;
1156        simError();
1213    }
1157    }
1215  else{
1216    n_cells = (int)temp3;
1217    cellx = simnfo->boxLx / temp3;
1218    celly = simnfo->boxLy / temp3;
1219    cellz = simnfo->boxLz / temp3;
1220  }
1158  
1159 <  current_mol = 0;
1160 <  current_comp_mol = 0;
1161 <  current_comp = 0;
1162 <  current_atom_ndx = 0;
1159 > #ifdef IS_MPI
1160 >  strcpy(checkPointMsg, "ForceField creation successful");
1161 >  MPIcheckPoint();
1162 > #endif // is_mpi
1163 > }
1164  
1227  for( i=0; i < n_cells ; i++ ){
1228    for( j=0; j < n_cells; j++ ){
1229      for( k=0; k < n_cells; k++ ){
1165  
1166 <        makeElement( i * cellx,
1167 <                     j * celly,
1168 <                     k * cellz );
1166 > void SimSetup::compList(void){
1167 >  int i;
1168 >  char* id;
1169 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1170 >  LinkedMolStamp* currentStamp = NULL;
1171 >  comp_stamps = new MoleculeStamp * [n_components];
1172  
1173 <        makeElement( i * cellx + 0.5 * cellx,
1174 <                     j * celly + 0.5 * celly,
1237 <                     k * cellz );
1173 >  // make an array of molecule stamps that match the components used.
1174 >  // also extract the used stamps out into a separate linked list
1175  
1176 <        makeElement( i * cellx,
1177 <                     j * celly + 0.5 * celly,
1178 <                     k * cellz + 0.5 * cellz );
1176 >  for (i = 0; i < nInfo; i++){
1177 >    info[i].nComponents = n_components;
1178 >    info[i].componentsNmol = components_nmol;
1179 >    info[i].compStamps = comp_stamps;
1180 >    info[i].headStamp = headStamp;
1181 >  }
1182  
1183 <        makeElement( i * cellx + 0.5 * cellx,
1184 <                     j * celly,
1185 <                     k * cellz + 0.5 * cellz );
1183 >
1184 >  for (i = 0; i < n_components; i++){
1185 >    id = the_components[i]->getType();
1186 >    comp_stamps[i] = NULL;
1187 >
1188 >    // check to make sure the component isn't already in the list
1189 >
1190 >    comp_stamps[i] = headStamp->match(id);
1191 >    if (comp_stamps[i] == NULL){
1192 >      // extract the component from the list;
1193 >
1194 >      currentStamp = stamps->extractMolStamp(id);
1195 >      if (currentStamp == NULL){
1196 >        sprintf(painCave.errMsg,
1197 >                "SimSetup error: Component \"%s\" was not found in the "
1198 >                "list of declared molecules\n",
1199 >                id);
1200 >        painCave.isFatal = 1;
1201 >        simError();
1202        }
1203 +
1204 +      headStamp->add(currentStamp);
1205 +      comp_stamps[i] = headStamp->match(id);
1206      }
1207    }
1208  
1209 <  if( have_extra ){
1210 <    done = 0;
1209 > #ifdef IS_MPI
1210 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1211 >  MPIcheckPoint();
1212 > #endif // is_mpi
1213 > }
1214  
1215 <    int start_ndx;
1216 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1255 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1215 > void SimSetup::calcSysValues(void){
1216 >  int i;
1217  
1218 <        if( i < n_cells ){
1218 >  int* molMembershipArray;
1219  
1220 <          if( j < n_cells ){
1221 <            start_ndx = n_cells;
1222 <          }
1223 <          else start_ndx = 0;
1224 <        }
1225 <        else start_ndx = 0;
1220 >  tot_atoms = 0;
1221 >  tot_bonds = 0;
1222 >  tot_bends = 0;
1223 >  tot_torsions = 0;
1224 >  for (i = 0; i < n_components; i++){
1225 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1226 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1227 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1228 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1229 >  }
1230  
1231 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1231 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1232 >  molMembershipArray = new int[tot_atoms];
1233  
1234 <          makeElement( i * cellx,
1235 <                       j * celly,
1236 <                       k * cellz );
1237 <          done = ( current_mol >= tot_nmol );
1234 >  for (i = 0; i < nInfo; i++){
1235 >    info[i].n_atoms = tot_atoms;
1236 >    info[i].n_bonds = tot_bonds;
1237 >    info[i].n_bends = tot_bends;
1238 >    info[i].n_torsions = tot_torsions;
1239 >    info[i].n_SRI = tot_SRI;
1240 >    info[i].n_mol = tot_nmol;
1241  
1242 <          if( !done && n_per_extra > 1 ){
1243 <            makeElement( i * cellx + 0.5 * cellx,
1244 <                         j * celly + 0.5 * celly,
1276 <                         k * cellz );
1277 <            done = ( current_mol >= tot_nmol );
1278 <          }
1242 >    info[i].molMembershipArray = molMembershipArray;
1243 >  }
1244 > }
1245  
1246 <          if( !done && n_per_extra > 2){
1281 <            makeElement( i * cellx,
1282 <                         j * celly + 0.5 * celly,
1283 <                         k * cellz + 0.5 * cellz );
1284 <            done = ( current_mol >= tot_nmol );
1285 <          }
1246 > #ifdef IS_MPI
1247  
1248 <          if( !done && n_per_extra > 3){
1249 <            makeElement( i * cellx + 0.5 * cellx,
1250 <                         j * celly,
1251 <                         k * cellz + 0.5 * cellz );
1252 <            done = ( current_mol >= tot_nmol );
1253 <          }
1254 <        }
1248 > void SimSetup::mpiMolDivide(void){
1249 >  int i, j, k;
1250 >  int localMol, allMol;
1251 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1252 >
1253 >  mpiSim = new mpiSimulation(info);
1254 >
1255 >  globalIndex = mpiSim->divideLabor();
1256 >
1257 >  // set up the local variables
1258 >
1259 >  mol2proc = mpiSim->getMolToProcMap();
1260 >  molCompType = mpiSim->getMolComponentType();
1261 >
1262 >  allMol = 0;
1263 >  localMol = 0;
1264 >  local_atoms = 0;
1265 >  local_bonds = 0;
1266 >  local_bends = 0;
1267 >  local_torsions = 0;
1268 >  globalAtomIndex = 0;
1269 >
1270 >
1271 >  for (i = 0; i < n_components; i++){
1272 >    for (j = 0; j < components_nmol[i]; j++){
1273 >      if (mol2proc[allMol] == worldRank){
1274 >        local_atoms += comp_stamps[i]->getNAtoms();
1275 >        local_bonds += comp_stamps[i]->getNBonds();
1276 >        local_bends += comp_stamps[i]->getNBends();
1277 >        local_torsions += comp_stamps[i]->getNTorsions();
1278 >        localMol++;
1279 >      }      
1280 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1281 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1282 >        globalAtomIndex++;
1283        }
1284 +
1285 +      allMol++;
1286      }
1287    }
1288 +  local_SRI = local_bonds + local_bends + local_torsions;
1289  
1290 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1291  
1292 <  for( i=0; i<simnfo->n_atoms; i++ ){
1293 <    simnfo->atoms[i]->set_vx( 0.0 );
1294 <    simnfo->atoms[i]->set_vy( 0.0 );
1295 <    simnfo->atoms[i]->set_vz( 0.0 );
1292 >  if (local_atoms != info[0].n_atoms){
1293 >    sprintf(painCave.errMsg,
1294 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1295 >            "\tlocalAtom (%d) are not equal.\n",
1296 >            info[0].n_atoms, local_atoms);
1297 >    painCave.isFatal = 1;
1298 >    simError();
1299    }
1300 +
1301 +  info[0].n_bonds = local_bonds;
1302 +  info[0].n_bends = local_bends;
1303 +  info[0].n_torsions = local_torsions;
1304 +  info[0].n_SRI = local_SRI;
1305 +  info[0].n_mol = localMol;
1306 +
1307 +  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1308 +  MPIcheckPoint();
1309   }
1310  
1311 < void SimSetup::makeElement( double x, double y, double z ){
1311 > #endif // is_mpi
1312  
1308  int k;
1309  AtomStamp* current_atom;
1310  DirectionalAtom* dAtom;
1311  double rotMat[3][3];
1313  
1314 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1314 > void SimSetup::makeSysArrays(void){
1315 >
1316 > #ifndef IS_MPI
1317 >  int k, j;
1318 > #endif // is_mpi
1319 >  int i, l;
1320  
1321 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1322 <    if( !current_atom->havePosition() ){
1323 <      sprintf( painCave.errMsg,
1318 <               "SimSetup:initFromBass error.\n"
1319 <               "\tComponent %s, atom %s does not have a position specified.\n"
1320 <               "\tThe initialization routine is unable to give a start"
1321 <               " position.\n",
1322 <               comp_stamps[current_comp]->getID(),
1323 <               current_atom->getType() );
1324 <      painCave.isFatal = 1;
1325 <      simError();
1326 <    }
1321 >  Atom** the_atoms;
1322 >  Molecule* the_molecules;
1323 >  Exclude** the_excludes;
1324  
1328    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1329    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1330    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1325  
1326 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1326 >  for (l = 0; l < nInfo; l++){
1327 >    // create the atom and short range interaction arrays
1328  
1329 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1329 >    the_atoms = new Atom * [info[l].n_atoms];
1330 >    the_molecules = new Molecule[info[l].n_mol];
1331 >    int molIndex;
1332  
1333 <      rotMat[0][0] = 1.0;
1337 <      rotMat[0][1] = 0.0;
1338 <      rotMat[0][2] = 0.0;
1333 >    // initialize the molecule's stampID's
1334  
1335 <      rotMat[1][0] = 0.0;
1341 <      rotMat[1][1] = 1.0;
1342 <      rotMat[1][2] = 0.0;
1335 > #ifdef IS_MPI
1336  
1344      rotMat[2][0] = 0.0;
1345      rotMat[2][1] = 0.0;
1346      rotMat[2][2] = 1.0;
1337  
1338 <      dAtom->setA( rotMat );
1338 >    molIndex = 0;
1339 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1340 >      if (mol2proc[i] == worldRank){
1341 >        the_molecules[molIndex].setStampID(molCompType[i]);
1342 >        the_molecules[molIndex].setMyIndex(molIndex);
1343 >        the_molecules[molIndex].setGlobalIndex(i);
1344 >        molIndex++;
1345 >      }
1346      }
1347  
1348 <    current_atom_ndx++;
1352 <  }
1348 > #else // is_mpi
1349  
1350 <  current_mol++;
1351 <  current_comp_mol++;
1350 >    molIndex = 0;
1351 >    globalAtomIndex = 0;
1352 >    for (i = 0; i < n_components; i++){
1353 >      for (j = 0; j < components_nmol[i]; j++){
1354 >        the_molecules[molIndex].setStampID(i);
1355 >        the_molecules[molIndex].setMyIndex(molIndex);
1356 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1357 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1358 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1359 >          globalAtomIndex++;
1360 >        }
1361 >        molIndex++;
1362 >      }
1363 >    }
1364  
1357  if( current_comp_mol >= components_nmol[current_comp] ){
1365  
1366 <    current_comp_mol = 0;
1367 <    current_comp++;
1366 > #endif // is_mpi
1367 >
1368 >
1369 >    if (info[l].n_SRI){
1370 >      Exclude::createArray(info[l].n_SRI);
1371 >      the_excludes = new Exclude * [info[l].n_SRI];
1372 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1373 >        the_excludes[ex] = new Exclude(ex);
1374 >      }
1375 >      info[l].globalExcludes = new int;
1376 >      info[l].n_exclude = info[l].n_SRI;
1377 >    }
1378 >    else{
1379 >      Exclude::createArray(1);
1380 >      the_excludes = new Exclude * ;
1381 >      the_excludes[0] = new Exclude(0);
1382 >      the_excludes[0]->setPair(0, 0);
1383 >      info[l].globalExcludes = new int;
1384 >      info[l].globalExcludes[0] = 0;
1385 >      info[l].n_exclude = 0;
1386 >    }
1387 >
1388 >    // set the arrays into the SimInfo object
1389 >
1390 >    info[l].atoms = the_atoms;
1391 >    info[l].molecules = the_molecules;
1392 >    info[l].nGlobalExcludes = 0;
1393 >    info[l].excludes = the_excludes;
1394 >
1395 >    the_ff->setSimInfo(info);
1396 >  }
1397 > }
1398 >
1399 > void SimSetup::makeIntegrator(void){
1400 >  int k;
1401 >
1402 >  NVE<RealIntegrator>* myNVE = NULL;
1403 >  NVT<RealIntegrator>* myNVT = NULL;
1404 >  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1405 >  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1406 >  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1407 >  
1408 >  for (k = 0; k < nInfo; k++){
1409 >    switch (ensembleCase){
1410 >      case NVE_ENS:
1411 >        if (globals->haveZconstraints()){
1412 >          setupZConstraint(info[k]);
1413 >          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1414 >        }
1415 >        else{
1416 >          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1417 >        }
1418 >        
1419 >        info->the_integrator = myNVE;
1420 >        break;
1421 >
1422 >      case NVT_ENS:
1423 >        if (globals->haveZconstraints()){
1424 >          setupZConstraint(info[k]);
1425 >          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1426 >        }
1427 >        else
1428 >          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1429 >
1430 >        myNVT->setTargetTemp(globals->getTargetTemp());
1431 >
1432 >        if (globals->haveTauThermostat())
1433 >          myNVT->setTauThermostat(globals->getTauThermostat());
1434 >        else{
1435 >          sprintf(painCave.errMsg,
1436 >                  "SimSetup error: If you use the NVT\n"
1437 >                  "\tensemble, you must set tauThermostat.\n");
1438 >          painCave.isFatal = 1;
1439 >          simError();
1440 >        }
1441 >
1442 >        info->the_integrator = myNVT;
1443 >        break;
1444 >
1445 >      case NPTi_ENS:
1446 >        if (globals->haveZconstraints()){
1447 >          setupZConstraint(info[k]);
1448 >          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1449 >        }
1450 >        else
1451 >          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1452 >
1453 >        myNPTi->setTargetTemp(globals->getTargetTemp());
1454 >
1455 >        if (globals->haveTargetPressure())
1456 >          myNPTi->setTargetPressure(globals->getTargetPressure());
1457 >        else{
1458 >          sprintf(painCave.errMsg,
1459 >                  "SimSetup error: If you use a constant pressure\n"
1460 >                  "\tensemble, you must set targetPressure in the BASS file.\n");
1461 >          painCave.isFatal = 1;
1462 >          simError();
1463 >        }
1464 >
1465 >        if (globals->haveTauThermostat())
1466 >          myNPTi->setTauThermostat(globals->getTauThermostat());
1467 >        else{
1468 >          sprintf(painCave.errMsg,
1469 >                  "SimSetup error: If you use an NPT\n"
1470 >                  "\tensemble, you must set tauThermostat.\n");
1471 >          painCave.isFatal = 1;
1472 >          simError();
1473 >        }
1474 >
1475 >        if (globals->haveTauBarostat())
1476 >          myNPTi->setTauBarostat(globals->getTauBarostat());
1477 >        else{
1478 >          sprintf(painCave.errMsg,
1479 >                  "SimSetup error: If you use an NPT\n"
1480 >                  "\tensemble, you must set tauBarostat.\n");
1481 >          painCave.isFatal = 1;
1482 >          simError();
1483 >        }
1484 >
1485 >        info->the_integrator = myNPTi;
1486 >        break;
1487 >
1488 >      case NPTf_ENS:
1489 >        if (globals->haveZconstraints()){
1490 >          setupZConstraint(info[k]);
1491 >          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1492 >        }
1493 >        else
1494 >          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1495 >
1496 >        myNPTf->setTargetTemp(globals->getTargetTemp());
1497 >
1498 >        if (globals->haveTargetPressure())
1499 >          myNPTf->setTargetPressure(globals->getTargetPressure());
1500 >        else{
1501 >          sprintf(painCave.errMsg,
1502 >                  "SimSetup error: If you use a constant pressure\n"
1503 >                  "\tensemble, you must set targetPressure in the BASS file.\n");
1504 >          painCave.isFatal = 1;
1505 >          simError();
1506 >        }    
1507 >
1508 >        if (globals->haveTauThermostat())
1509 >          myNPTf->setTauThermostat(globals->getTauThermostat());
1510 >
1511 >        else{
1512 >          sprintf(painCave.errMsg,
1513 >                  "SimSetup error: If you use an NPT\n"
1514 >                  "\tensemble, you must set tauThermostat.\n");
1515 >          painCave.isFatal = 1;
1516 >          simError();
1517 >        }
1518 >
1519 >        if (globals->haveTauBarostat())
1520 >          myNPTf->setTauBarostat(globals->getTauBarostat());
1521 >
1522 >        else{
1523 >          sprintf(painCave.errMsg,
1524 >                  "SimSetup error: If you use an NPT\n"
1525 >                  "\tensemble, you must set tauBarostat.\n");
1526 >          painCave.isFatal = 1;
1527 >          simError();
1528 >        }
1529 >
1530 >        info->the_integrator = myNPTf;
1531 >        break;
1532 >
1533 >      case NPTxyz_ENS:
1534 >        if (globals->haveZconstraints()){
1535 >          setupZConstraint(info[k]);
1536 >          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1537 >        }
1538 >        else
1539 >          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1540 >
1541 >        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1542 >
1543 >        if (globals->haveTargetPressure())
1544 >          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1545 >        else{
1546 >          sprintf(painCave.errMsg,
1547 >                  "SimSetup error: If you use a constant pressure\n"
1548 >                  "\tensemble, you must set targetPressure in the BASS file.\n");
1549 >          painCave.isFatal = 1;
1550 >          simError();
1551 >        }    
1552 >
1553 >        if (globals->haveTauThermostat())
1554 >          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1555 >        else{
1556 >          sprintf(painCave.errMsg,
1557 >                  "SimSetup error: If you use an NPT\n"
1558 >                  "\tensemble, you must set tauThermostat.\n");
1559 >          painCave.isFatal = 1;
1560 >          simError();
1561 >        }
1562 >
1563 >        if (globals->haveTauBarostat())
1564 >          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1565 >        else{
1566 >          sprintf(painCave.errMsg,
1567 >                  "SimSetup error: If you use an NPT\n"
1568 >                  "\tensemble, you must set tauBarostat.\n");
1569 >          painCave.isFatal = 1;
1570 >          simError();
1571 >        }
1572 >
1573 >        info->the_integrator = myNPTxyz;
1574 >        break;
1575 >
1576 >      default:
1577 >        sprintf(painCave.errMsg,
1578 >                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1579 >        painCave.isFatal = 1;
1580 >        simError();
1581 >    }
1582    }
1583   }
1584 +
1585 + void SimSetup::initFortran(void){
1586 +  info[0].refreshSim();
1587 +
1588 +  if (!strcmp(info[0].mixingRule, "standard")){
1589 +    the_ff->initForceField(LB_MIXING_RULE);
1590 +  }
1591 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1592 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1593 +  }
1594 +  else{
1595 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1596 +            info[0].mixingRule);
1597 +    painCave.isFatal = 1;
1598 +    simError();
1599 +  }
1600 +
1601 +
1602 + #ifdef IS_MPI
1603 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1604 +  MPIcheckPoint();
1605 + #endif // is_mpi
1606 + }
1607 +
1608 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1609 +  int nZConstraints;
1610 +  ZconStamp** zconStamp;
1611 +
1612 +  if (globals->haveZconstraintTime()){
1613 +    //add sample time of z-constraint  into SimInfo's property list                    
1614 +    DoubleData* zconsTimeProp = new DoubleData();
1615 +    zconsTimeProp->setID(ZCONSTIME_ID);
1616 +    zconsTimeProp->setData(globals->getZconsTime());
1617 +    theInfo.addProperty(zconsTimeProp);
1618 +  }
1619 +  else{
1620 +    sprintf(painCave.errMsg,
1621 +            "ZConstraint error: If you use a ZConstraint,\n"
1622 +            "\tyou must set zconsTime.\n");
1623 +    painCave.isFatal = 1;
1624 +    simError();
1625 +  }
1626 +
1627 +  //push zconsTol into siminfo, if user does not specify
1628 +  //value for zconsTol, a default value will be used
1629 +  DoubleData* zconsTol = new DoubleData();
1630 +  zconsTol->setID(ZCONSTOL_ID);
1631 +  if (globals->haveZconsTol()){
1632 +    zconsTol->setData(globals->getZconsTol());
1633 +  }
1634 +  else{
1635 +    double defaultZConsTol = 0.01;
1636 +    sprintf(painCave.errMsg,
1637 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1638 +            "\tOOPSE will use a default value of %f.\n"
1639 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1640 +            defaultZConsTol);
1641 +    painCave.isFatal = 0;
1642 +    simError();      
1643 +
1644 +    zconsTol->setData(defaultZConsTol);
1645 +  }
1646 +  theInfo.addProperty(zconsTol);
1647 +
1648 +  //set Force Subtraction Policy
1649 +  StringData* zconsForcePolicy = new StringData();
1650 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1651 +
1652 +  if (globals->haveZconsForcePolicy()){
1653 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1654 +  }
1655 +  else{
1656 +    sprintf(painCave.errMsg,
1657 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1658 +            "\tOOPSE will use PolicyByMass.\n"
1659 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1660 +    painCave.isFatal = 0;
1661 +    simError();
1662 +    zconsForcePolicy->setData("BYMASS");
1663 +  }
1664 +
1665 +  theInfo.addProperty(zconsForcePolicy);
1666 +
1667 +  //Determine the name of ouput file and add it into SimInfo's property list
1668 +  //Be careful, do not use inFileName, since it is a pointer which
1669 +  //point to a string at master node, and slave nodes do not contain that string
1670 +
1671 +  string zconsOutput(theInfo.finalName);
1672 +
1673 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1674 +
1675 +  StringData* zconsFilename = new StringData();
1676 +  zconsFilename->setID(ZCONSFILENAME_ID);
1677 +  zconsFilename->setData(zconsOutput);
1678 +
1679 +  theInfo.addProperty(zconsFilename);
1680 +
1681 +  //setup index, pos and other parameters of z-constraint molecules
1682 +  nZConstraints = globals->getNzConstraints();
1683 +  theInfo.nZconstraints = nZConstraints;
1684 +
1685 +  zconStamp = globals->getZconStamp();
1686 +  ZConsParaItem tempParaItem;
1687 +
1688 +  ZConsParaData* zconsParaData = new ZConsParaData();
1689 +  zconsParaData->setID(ZCONSPARADATA_ID);
1690 +
1691 +  for (int i = 0; i < nZConstraints; i++){
1692 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1693 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1694 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1695 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1696 +
1697 +    zconsParaData->addItem(tempParaItem);
1698 +  }
1699 +
1700 +  //check the uniqueness of index  
1701 +  if(!zconsParaData->isIndexUnique()){
1702 +    sprintf(painCave.errMsg,
1703 +            "ZConstraint Error: molIndex is not unique!\n");
1704 +    painCave.isFatal = 1;
1705 +    simError();
1706 +  }
1707 +
1708 +  //sort the parameters by index of molecules
1709 +  zconsParaData->sortByIndex();
1710 +  
1711 +  //push data into siminfo, therefore, we can retrieve later
1712 +  theInfo.addProperty(zconsParaData);
1713 + }
1714 +
1715 + void SimSetup::makeMinimizer(){
1716 +
1717 +  OOPSEMinimizer* myOOPSEMinimizer;
1718 +  MinimizerParameterSet* param;
1719 +  char minimizerName[100];
1720 +  
1721 +  for (int i = 0; i < nInfo; i++){
1722 +    
1723 +    //prepare parameter set for minimizer
1724 +    param = new MinimizerParameterSet();
1725 +    param->setDefaultParameter();
1726 +
1727 +    if (globals->haveMinimizer()){
1728 +      param->setFTol(globals->getMinFTol());
1729 +    }
1730 +
1731 +    if (globals->haveMinGTol()){
1732 +      param->setGTol(globals->getMinGTol());
1733 +    }
1734 +
1735 +    if (globals->haveMinMaxIter()){
1736 +      param->setMaxIteration(globals->getMinMaxIter());
1737 +    }
1738 +
1739 +    if (globals->haveMinWriteFrq()){
1740 +      param->setMaxIteration(globals->getMinMaxIter());
1741 +    }
1742 +
1743 +    if (globals->haveMinWriteFrq()){
1744 +      param->setWriteFrq(globals->getMinWriteFrq());
1745 +    }
1746 +    
1747 +    if (globals->haveMinStepSize()){
1748 +      param->setStepSize(globals->getMinStepSize());
1749 +    }
1750 +
1751 +    if (globals->haveMinLSMaxIter()){
1752 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1753 +    }    
1754 +
1755 +    if (globals->haveMinLSTol()){
1756 +      param->setLineSearchTol(globals->getMinLSTol());
1757 +    }    
1758 +
1759 +    strcpy(ensemble, globals->getMinimizer());
1760 +
1761 +    if (!strcasecmp(minimizerName, "CG")){
1762 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1763 +    }
1764 +    else if (!strcasecmp(minimizerName, "SD")){
1765 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1766 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1767 +    }
1768 +    else{
1769 +     info[i].the_integrator = myOOPSEMinimizer;
1770 +    }
1771 +
1772 +     //store the minimizer into simInfo
1773 +     info[i].the_minimizer = myOOPSEMinimizer;
1774 +     info[i].has_minimizer = true;
1775 +  }
1776 +
1777 + }

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