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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 487 by mmeineke, Thu Apr 10 16:27:21 2003 UTC vs.
Revision 984 by gezelter, Mon Jan 26 21:52:56 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# Line 12 | Line 15 | SimSetup::SimSetup(){
15   #include "mpiSimulation.hpp"
16   #endif
17  
18 + // some defines for ensemble and Forcefield  cases
19 +
20 + #define NVE_ENS        0
21 + #define NVT_ENS        1
22 + #define NPTi_ENS       2
23 + #define NPTf_ENS       3
24 + #define NPTxyz_ENS     4
25 +
26 +
27 + #define FF_DUFF 0
28 + #define FF_LJ   1
29 + #define FF_EAM  2
30 +
31 + using namespace std;
32 +
33 + /**
34 + * Check whether dividend is divisble by divisor or not
35 + */
36 + bool isDivisible(double dividend, double divisor){
37 +  double tolerance = 0.000001;
38 +  double quotient;
39 +  double diff;
40 +  int intQuotient;
41 +  
42 +  quotient = dividend / divisor;
43 +
44 +  if (quotient < 0)
45 +    quotient = -quotient;
46 +
47 +  intQuotient = int (quotient + tolerance);
48 +
49 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
50 +
51 +  if (diff <= tolerance)
52 +    return true;
53 +  else
54 +    return false;  
55 + }
56 +
57   SimSetup::SimSetup(){
58 +  
59 +  initSuspend = false;
60 +  isInfoArray = 0;
61 +  nInfo = 1;
62 +
63    stamps = new MakeStamps();
64    globals = new Globals();
65 <  
65 >
66 >
67   #ifdef IS_MPI
68 <  strcpy( checkPointMsg, "SimSetup creation successful" );
68 >  strcpy(checkPointMsg, "SimSetup creation successful");
69    MPIcheckPoint();
70   #endif // IS_MPI
71   }
# Line 27 | Line 75 | void SimSetup::parseFile( char* fileName ){
75    delete globals;
76   }
77  
78 < void SimSetup::parseFile( char* fileName ){
78 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
79 >  info = the_info;
80 >  nInfo = theNinfo;
81 >  isInfoArray = 1;
82 >  initSuspend = true;
83 > }
84  
85 +
86 + void SimSetup::parseFile(char* fileName){
87   #ifdef IS_MPI
88 <  if( worldRank == 0 ){
88 >  if (worldRank == 0){
89   #endif // is_mpi
90 <    
90 >
91      inFileName = fileName;
92 <    set_interface_stamps( stamps, globals );
93 <    
92 >    set_interface_stamps(stamps, globals);
93 >
94   #ifdef IS_MPI
95      mpiEventInit();
96   #endif
97  
98 <    yacc_BASS( fileName );
98 >    yacc_BASS(fileName);
99  
100   #ifdef IS_MPI
101      throwMPIEvent(NULL);
102    }
103 <  else receiveParse();
103 >  else{
104 >    receiveParse();
105 >  }
106   #endif
107  
108   }
109  
110   #ifdef IS_MPI
111   void SimSetup::receiveParse(void){
112 <
113 <    set_interface_stamps( stamps, globals );
114 <    mpiEventInit();
115 <    MPIcheckPoint();
59 <    mpiEventLoop();
60 <
112 >  set_interface_stamps(stamps, globals);
113 >  mpiEventInit();
114 >  MPIcheckPoint();
115 >  mpiEventLoop();
116   }
117  
118   #endif // is_mpi
119  
120 < void SimSetup::createSim( void ){
120 > void SimSetup::createSim(void){
121  
122 <  MakeStamps *the_stamps;
68 <  Globals* the_globals;
69 <  ExtendedSystem* the_extendedsystem;
70 <  int i, j;
122 >  // gather all of the information from the Bass file
123  
124 <  // get the stamps and globals;
73 <  the_stamps = stamps;
74 <  the_globals = globals;
124 >  gatherInfo();
125  
126 <  // set the easy ones first
77 <  simnfo->target_temp = the_globals->getTargetTemp();
78 <  simnfo->dt = the_globals->getDt();
79 <  simnfo->run_time = the_globals->getRunTime();
126 >  // creation of complex system objects
127  
128 <  // get the ones we know are there, yet still may need some work.
82 <  n_components = the_globals->getNComponents();
83 <  strcpy( force_field, the_globals->getForceField() );
128 >  sysObjectsCreation();
129  
130 <  // get the ensemble and set up an extended system if we need it:
86 <  strcpy( ensemble, the_globals->getEnsemble() );
87 <  if( !strcasecmp( ensemble, "NPT" ) ) {
88 <    the_extendedsystem = new ExtendedSystem( simnfo );
89 <    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
90 <    if (the_globals->haveTargetPressure())
91 <      the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
92 <    else {
93 <      sprintf( painCave.errMsg,
94 <               "SimSetup error: If you use the constant pressure\n"
95 <               "    ensemble, you must set targetPressure.\n"
96 <               "    This was found in the BASS file.\n");
97 <      painCave.isFatal = 1;
98 <      simError();
99 <    }
130 >  // check on the post processing info
131  
132 <    if (the_globals->haveTauThermostat())
102 <      the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
103 <    else if (the_globals->haveQmass())
104 <      the_extendedsystem->setQmass(the_globals->getQmass());
105 <    else {
106 <      sprintf( painCave.errMsg,
107 <               "SimSetup error: If you use one of the constant temperature\n"
108 <               "    ensembles, you must set either tauThermostat or qMass.\n"
109 <               "    Neither of these was found in the BASS file.\n");
110 <      painCave.isFatal = 1;
111 <      simError();
112 <    }
132 >  finalInfoCheck();
133  
134 <    if (the_globals->haveTauBarostat())
115 <      the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
116 <    else {
117 <      sprintf( painCave.errMsg,
118 <               "SimSetup error: If you use the constant pressure\n"
119 <               "    ensemble, you must set tauBarostat.\n"
120 <               "    This was found in the BASS file.\n");
121 <      painCave.isFatal = 1;
122 <      simError();
123 <    }
134 >  // initialize the system coordinates
135  
136 <  } else if ( !strcasecmp( ensemble, "NVT") ) {
137 <    the_extendedsystem = new ExtendedSystem( simnfo );
127 <    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
136 >  if ( !initSuspend ){
137 >    initSystemCoords();
138  
139 <    if (the_globals->haveTauThermostat())
140 <      the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
131 <    else if (the_globals->haveQmass())
132 <      the_extendedsystem->setQmass(the_globals->getQmass());
133 <    else {
134 <      sprintf( painCave.errMsg,
135 <               "SimSetup error: If you use one of the constant temperature\n"
136 <               "    ensembles, you must set either tauThermostat or qMass.\n"
137 <               "    Neither of these was found in the BASS file.\n");
138 <      painCave.isFatal = 1;
139 <      simError();
140 <    }
141 <
142 <  } else if ( !strcasecmp( ensemble, "NVE") ) {
143 <  } else {
144 <    sprintf( painCave.errMsg,
145 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
146 <             "reverting to NVE for this simulation.\n",
147 <             ensemble );
148 <    painCave.isFatal = 0;
149 <    simError();
150 <    strcpy( ensemble, "NVE" );
139 >    if( !(globals->getUseInitTime()) )
140 >      info[0].currentTime = 0.0;
141    }  
152  strcpy( simnfo->ensemble, ensemble );
142  
143 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
155 <  simnfo->usePBC = the_globals->getPBC();
156 <          
157 <  int usesDipoles = 0;
158 <  if( !strcmp( force_field, "TraPPE_Ex" ) ){
159 <    the_ff = new TraPPE_ExFF();
160 <    usesDipoles = 1;
161 <  }
162 <  else if( !strcasecmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
163 <  else{
164 <    sprintf( painCave.errMsg,
165 <             "SimSetup Error. Unrecognized force field -> %s\n",
166 <             force_field );
167 <    painCave.isFatal = 1;
168 <    simError();
169 <  }
143 >  // make the output filenames
144  
145 < #ifdef IS_MPI
172 <  strcpy( checkPointMsg, "ForceField creation successful" );
173 <  MPIcheckPoint();
174 < #endif // is_mpi
145 >  makeOutNames();
146  
147 <  
147 >  // make the integrator
148  
149 <  // get the components and calculate the tot_nMol and indvidual n_mol
179 <  the_components = the_globals->getComponents();
180 <  components_nmol = new int[n_components];
181 <  comp_stamps = new MoleculeStamp*[n_components];
149 >  makeIntegrator();
150  
151 <  if( !the_globals->haveNMol() ){
152 <    // we don't have the total number of molecules, so we assume it is
153 <    // given in each component
151 > #ifdef IS_MPI
152 >  mpiSim->mpiRefresh();
153 > #endif
154  
155 <    tot_nmol = 0;
188 <    for( i=0; i<n_components; i++ ){
155 >  // initialize the Fortran
156  
157 <      if( !the_components[i]->haveNMol() ){
158 <        // we have a problem
192 <        sprintf( painCave.errMsg,
193 <                 "SimSetup Error. No global NMol or component NMol"
194 <                 " given. Cannot calculate the number of atoms.\n" );
195 <        painCave.isFatal = 1;
196 <        simError();
197 <      }
157 >  initFortran();
158 > }
159  
199      tot_nmol += the_components[i]->getNMol();
200      components_nmol[i] = the_components[i]->getNMol();
201    }
202  }
203  else{
204    sprintf( painCave.errMsg,
205             "SimSetup error.\n"
206             "\tSorry, the ability to specify total"
207             " nMols and then give molfractions in the components\n"
208             "\tis not currently supported."
209             " Please give nMol in the components.\n" );
210    painCave.isFatal = 1;
211    simError();
212    
213    
214    //     tot_nmol = the_globals->getNMol();
215    
216    //   //we have the total number of molecules, now we check for molfractions
217    //     for( i=0; i<n_components; i++ ){
218    
219    //       if( !the_components[i]->haveMolFraction() ){
220    
221    //  if( !the_components[i]->haveNMol() ){
222    //    //we have a problem
223    //    std::cerr << "SimSetup error. Neither molFraction nor "
224    //              << " nMol was given in component
225    
226  }
160  
161 < #ifdef IS_MPI
162 <  strcpy( checkPointMsg, "Have the number of components" );
163 <  MPIcheckPoint();
164 < #endif // is_mpi
161 > void SimSetup::makeMolecules(void){
162 >  int k;
163 >  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
164 >  molInit molInfo;
165 >  DirectionalAtom* dAtom;
166 >  LinkedAssign* extras;
167 >  LinkedAssign* current_extra;
168 >  AtomStamp* currentAtom;
169 >  BondStamp* currentBond;
170 >  BendStamp* currentBend;
171 >  TorsionStamp* currentTorsion;
172  
173 <  // make an array of molecule stamps that match the components used.
174 <  // also extract the used stamps out into a separate linked list
173 >  bond_pair* theBonds;
174 >  bend_set* theBends;
175 >  torsion_set* theTorsions;
176  
177 <  simnfo->nComponents = n_components;
237 <  simnfo->componentsNmol = components_nmol;
238 <  simnfo->compStamps = comp_stamps;
239 <  simnfo->headStamp = new LinkedMolStamp();
240 <  
241 <  char* id;
242 <  LinkedMolStamp* headStamp = simnfo->headStamp;
243 <  LinkedMolStamp* currentStamp = NULL;
244 <  for( i=0; i<n_components; i++ ){
177 >  //init the forceField paramters
178  
179 <    id = the_components[i]->getType();
247 <    comp_stamps[i] = NULL;
248 <    
249 <    // check to make sure the component isn't already in the list
179 >  the_ff->readParams();
180  
251    comp_stamps[i] = headStamp->match( id );
252    if( comp_stamps[i] == NULL ){
253      
254      // extract the component from the list;
255      
256      currentStamp = the_stamps->extractMolStamp( id );
257      if( currentStamp == NULL ){
258        sprintf( painCave.errMsg,
259                 "SimSetup error: Component \"%s\" was not found in the "
260                 "list of declared molecules\n",
261                 id );
262        painCave.isFatal = 1;
263        simError();
264      }
265      
266      headStamp->add( currentStamp );
267      comp_stamps[i] = headStamp->match( id );
268    }
269  }
181  
182 < #ifdef IS_MPI
272 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
273 <  MPIcheckPoint();
274 < #endif // is_mpi
275 <  
182 >  // init the atoms
183  
184 +  double phi, theta, psi;
185 +  double sux, suy, suz;
186 +  double Axx, Axy, Axz, Ayx, Ayy, Ayz, Azx, Azy, Azz;
187 +  double ux, uy, uz, u, uSqr;
188  
189 +  for (k = 0; k < nInfo; k++){
190 +    the_ff->setSimInfo(&(info[k]));
191  
192 <  // caclulate the number of atoms, bonds, bends and torsions
192 >    atomOffset = 0;
193 >    excludeOffset = 0;
194 >    for (i = 0; i < info[k].n_mol; i++){
195 >      stampID = info[k].molecules[i].getStampID();
196  
197 <  tot_atoms = 0;
198 <  tot_bonds = 0;
199 <  tot_bends = 0;
200 <  tot_torsions = 0;
201 <  for( i=0; i<n_components; i++ ){
286 <    
287 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
288 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
289 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
290 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
291 <  }
197 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
198 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
199 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
200 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
201 >      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
202  
203 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
203 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
204 >      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
205 >      molInfo.myBonds = new Bond * [molInfo.nBonds];
206 >      molInfo.myBends = new Bend * [molInfo.nBends];
207 >      molInfo.myTorsions = new Torsion * [molInfo.nTorsions];
208  
209 <  simnfo->n_atoms = tot_atoms;
210 <  simnfo->n_bonds = tot_bonds;
211 <  simnfo->n_bends = tot_bends;
298 <  simnfo->n_torsions = tot_torsions;
299 <  simnfo->n_SRI = tot_SRI;
300 <  simnfo->n_mol = tot_nmol;
209 >      theBonds = new bond_pair[molInfo.nBonds];
210 >      theBends = new bend_set[molInfo.nBends];
211 >      theTorsions = new torsion_set[molInfo.nTorsions];
212  
213 <  
303 < #ifdef IS_MPI
213 >      // make the Atoms
214  
215 <  // divide the molecules among processors here.
216 <  
217 <  mpiSim = new mpiSimulation( simnfo );
218 <  
219 <  
215 >      for (j = 0; j < molInfo.nAtoms; j++){
216 >        currentAtom = comp_stamps[stampID]->getAtom(j);
217 >        if (currentAtom->haveOrientation()){
218 >          dAtom = new DirectionalAtom((j + atomOffset),
219 >                                      info[k].getConfiguration());
220 >          info[k].n_oriented++;
221 >          molInfo.myAtoms[j] = dAtom;
222  
223 <  globalIndex = mpiSim->divideLabor();
223 >          // Directional Atoms have standard unit vectors which are oriented
224 >          // in space using the three Euler angles.  We assume the standard
225 >          // unit vector was originally along the z axis below.
226  
227 <  // set up the local variables
228 <  
229 <  int localMol, allMol;
230 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
227 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
228 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
229 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
230 >            
231 >          Axx = (cos(phi) * cos(psi)) - (sin(phi) * cos(theta) * sin(psi));
232 >          Axy = (sin(phi) * cos(psi)) + (cos(phi) * cos(theta) * sin(psi));
233 >          Axz = sin(theta) * sin(psi);
234 >          
235 >          Ayx = -(cos(phi) * sin(psi)) - (sin(phi) * cos(theta) * cos(psi));
236 >          Ayy = -(sin(phi) * sin(psi)) + (cos(phi) * cos(theta) * cos(psi));
237 >          Ayz = sin(theta) * cos(psi);
238 >          
239 >          Azx = sin(phi) * sin(theta);
240 >          Azy = -cos(phi) * sin(theta);
241 >          Azz = cos(theta);
242  
243 <  int* mol2proc = mpiSim->getMolToProcMap();
244 <  int* molCompType = mpiSim->getMolComponentType();
245 <  
321 <  allMol = 0;
322 <  localMol = 0;
323 <  local_atoms = 0;
324 <  local_bonds = 0;
325 <  local_bends = 0;
326 <  local_torsions = 0;
327 <  for( i=0; i<n_components; i++ ){
243 >          sux = 0.0;
244 >          suy = 0.0;
245 >          suz = 1.0;
246  
247 <    for( j=0; j<components_nmol[i]; j++ ){
248 <      
249 <      if( mol2proc[allMol] == worldRank ){
332 <        
333 <        local_atoms +=    comp_stamps[i]->getNAtoms();
334 <        local_bonds +=    comp_stamps[i]->getNBonds();
335 <        local_bends +=    comp_stamps[i]->getNBends();
336 <        local_torsions += comp_stamps[i]->getNTorsions();
337 <        localMol++;
338 <      }      
339 <      allMol++;
340 <    }
341 <  }
342 <  local_SRI = local_bonds + local_bends + local_torsions;
343 <  
247 >          ux = (Axx * sux) + (Ayx * suy) + (Azx * suz);
248 >          uy = (Axy * sux) + (Ayy * suy) + (Azy * suz);
249 >          uz = (Axz * sux) + (Ayz * suy) + (Azz * suz);
250  
251 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
346 <  
347 <  if( local_atoms != simnfo->n_atoms ){
348 <    sprintf( painCave.errMsg,
349 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
350 <             " localAtom (%d) are not equal.\n",
351 <             simnfo->n_atoms,
352 <             local_atoms );
353 <    painCave.isFatal = 1;
354 <    simError();
355 <  }
251 >          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
252  
253 <  simnfo->n_bonds = local_bonds;
254 <  simnfo->n_bends = local_bends;
255 <  simnfo->n_torsions = local_torsions;
256 <  simnfo->n_SRI = local_SRI;
361 <  simnfo->n_mol = localMol;
253 >          u = sqrt(uSqr);
254 >          ux = ux / u;
255 >          uy = uy / u;
256 >          uz = uz / u;
257  
258 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
259 <  MPIcheckPoint();
260 <  
261 <  
262 < #endif // is_mpi
263 <  
258 >          dAtom->setSUx(ux);
259 >          dAtom->setSUy(uy);
260 >          dAtom->setSUz(uz);
261 >        }
262 >        else{
263 >          molInfo.myAtoms[j] = new GeneralAtom((j + atomOffset),
264 >                                               info[k].getConfiguration());
265 >        }
266 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
267  
268 <  // create the atom and short range interaction arrays
268 > #ifdef IS_MPI
269  
270 <  Atom::createArrays(simnfo->n_atoms);
373 <  the_atoms = new Atom*[simnfo->n_atoms];
374 <  the_molecules = new Molecule[simnfo->n_mol];
375 <  int molIndex;
270 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
271  
272 <  // initialize the molecule's stampID's
272 > #endif // is_mpi
273 >      }
274  
275 +      // make the bonds
276 +      for (j = 0; j < molInfo.nBonds; j++){
277 +        currentBond = comp_stamps[stampID]->getBond(j);
278 +        theBonds[j].a = currentBond->getA() + atomOffset;
279 +        theBonds[j].b = currentBond->getB() + atomOffset;
280 +
281 +        exI = theBonds[j].a;
282 +        exJ = theBonds[j].b;
283 +
284 +        // exclude_I must always be the smaller of the pair
285 +        if (exI > exJ){
286 +          tempEx = exI;
287 +          exI = exJ;
288 +          exJ = tempEx;
289 +        }
290   #ifdef IS_MPI
291 <  
291 >        tempEx = exI;
292 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
293 >        tempEx = exJ;
294 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
295  
296 <  molIndex = 0;
297 <  for(i=0; i<mpiSim->getTotNmol(); i++){
384 <    
385 <    if(mol2proc[i] == worldRank ){
386 <      the_molecules[molIndex].setStampID( molCompType[i] );
387 <      the_molecules[molIndex].setMyIndex( molIndex );
388 <      molIndex++;
389 <    }
390 <  }
296 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
297 > #else  // isn't MPI
298  
299 < #else // is_mpi
300 <  
301 <  molIndex = 0;
302 <  for(i=0; i<n_components; i++){
396 <    for(j=0; j<components_nmol[i]; j++ ){
397 <      the_molecules[molIndex].setStampID( i );
398 <      the_molecules[molIndex].setMyIndex( molIndex );
399 <      molIndex++;
400 <    }
401 <  }
402 <    
299 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
300 > #endif  //is_mpi
301 >      }
302 >      excludeOffset += molInfo.nBonds;
303  
304 < #endif // is_mpi
304 >      //make the bends
305 >      for (j = 0; j < molInfo.nBends; j++){
306 >        currentBend = comp_stamps[stampID]->getBend(j);
307 >        theBends[j].a = currentBend->getA() + atomOffset;
308 >        theBends[j].b = currentBend->getB() + atomOffset;
309 >        theBends[j].c = currentBend->getC() + atomOffset;
310  
311 +        if (currentBend->haveExtras()){
312 +          extras = currentBend->getExtras();
313 +          current_extra = extras;
314  
315 <  if( simnfo->n_SRI ){
316 <    
317 <    Exclude::createArray(simnfo->n_SRI);
318 <    the_excludes = new Exclude*[simnfo->n_SRI];
319 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
320 <    simnfo->globalExcludes = new int;
321 <    simnfo->n_exclude = simnfo->n_SRI;
414 <  }
415 <  else{
416 <    
417 <    Exclude::createArray( 1 );
418 <    the_excludes = new Exclude*;
419 <    the_excludes[0] = new Exclude(0);
420 <    the_excludes[0]->setPair( 0,0 );
421 <    simnfo->globalExcludes = new int;
422 <    simnfo->globalExcludes[0] = 0;
423 <    simnfo->n_exclude = 0;
424 <  }
315 >          while (current_extra != NULL){
316 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
317 >              switch (current_extra->getType()){
318 >                case 0:
319 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
320 >                  theBends[j].isGhost = 1;
321 >                  break;
322  
323 <  // set the arrays into the SimInfo object
323 >                case 1:
324 >                  theBends[j].ghost = (int) current_extra->getDouble() +
325 >                                      atomOffset;
326 >                  theBends[j].isGhost = 1;
327 >                  break;
328  
329 <  simnfo->atoms = the_atoms;
330 <  simnfo->molecules = the_molecules;
331 <  simnfo->nGlobalExcludes = 0;
332 <  simnfo->excludes = the_excludes;
329 >                default:
330 >                  sprintf(painCave.errMsg,
331 >                          "SimSetup Error: ghostVectorSource was neither a "
332 >                          "double nor an int.\n"
333 >                          "-->Bend[%d] in %s\n",
334 >                          j, comp_stamps[stampID]->getID());
335 >                  painCave.isFatal = 1;
336 >                  simError();
337 >              }
338 >            }
339 >            else{
340 >              sprintf(painCave.errMsg,
341 >                      "SimSetup Error: unhandled bend assignment:\n"
342 >                      "    -->%s in Bend[%d] in %s\n",
343 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
344 >              painCave.isFatal = 1;
345 >              simError();
346 >            }
347  
348 +            current_extra = current_extra->getNext();
349 +          }
350 +        }
351  
352 <  // get some of the tricky things that may still be in the globals
352 >        if (!theBends[j].isGhost){
353 >          exI = theBends[j].a;
354 >          exJ = theBends[j].c;
355 >        }
356 >        else{
357 >          exI = theBends[j].a;
358 >          exJ = theBends[j].b;
359 >        }
360  
361 <  
362 <  if( the_globals->haveBox() ){
363 <    simnfo->box_x = the_globals->getBox();
364 <    simnfo->box_y = the_globals->getBox();
365 <    simnfo->box_z = the_globals->getBox();
366 <  }
367 <  else if( the_globals->haveDensity() ){
361 >        // exclude_I must always be the smaller of the pair
362 >        if (exI > exJ){
363 >          tempEx = exI;
364 >          exI = exJ;
365 >          exJ = tempEx;
366 >        }
367 > #ifdef IS_MPI
368 >        tempEx = exI;
369 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
370 >        tempEx = exJ;
371 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
372  
373 <    double vol;
374 <    vol = (double)tot_nmol / the_globals->getDensity();
375 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
376 <    simnfo->box_y = simnfo->box_x;
377 <    simnfo->box_z = simnfo->box_x;
378 <  }
450 <  else{
451 <    if( !the_globals->haveBoxX() ){
452 <      sprintf( painCave.errMsg,
453 <               "SimSetup error, no periodic BoxX size given.\n" );
454 <      painCave.isFatal = 1;
455 <      simError();
456 <    }
457 <    simnfo->box_x = the_globals->getBoxX();
373 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
374 > #else  // isn't MPI
375 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
376 > #endif  //is_mpi
377 >      }
378 >      excludeOffset += molInfo.nBends;
379  
380 <    if( !the_globals->haveBoxY() ){
381 <      sprintf( painCave.errMsg,
382 <               "SimSetup error, no periodic BoxY size given.\n" );
383 <      painCave.isFatal = 1;
384 <      simError();
385 <    }
465 <    simnfo->box_y = the_globals->getBoxY();
380 >      for (j = 0; j < molInfo.nTorsions; j++){
381 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
382 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
383 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
384 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
385 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
386  
387 <    if( !the_globals->haveBoxZ() ){
388 <      sprintf( painCave.errMsg,
469 <               "SimSetup error, no periodic BoxZ size given.\n" );
470 <      painCave.isFatal = 1;
471 <      simError();
472 <    }
473 <    simnfo->box_z = the_globals->getBoxZ();
474 <  }
387 >        exI = theTorsions[j].a;
388 >        exJ = theTorsions[j].d;
389  
390 +        // exclude_I must always be the smaller of the pair
391 +        if (exI > exJ){
392 +          tempEx = exI;
393 +          exI = exJ;
394 +          exJ = tempEx;
395 +        }
396   #ifdef IS_MPI
397 <  strcpy( checkPointMsg, "Box size set up" );
398 <  MPIcheckPoint();
399 < #endif // is_mpi
397 >        tempEx = exI;
398 >        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
399 >        tempEx = exJ;
400 >        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
401  
402 <
403 <  // initialize the arrays
404 <
405 <  the_ff->setSimInfo( simnfo );
485 <
486 <  makeMolecules();
487 <  simnfo->identArray = new int[simnfo->n_atoms];
488 <  simnfo->molMembershipArray = new int[simnfo->n_atoms];
489 <  for(i=0; i<simnfo->n_atoms; i++){
490 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
491 <  }
492 <  for(i=0; i< simnfo->n_mol; i++) {
493 <    the_molecules[i].atomicRollCall(simnfo->molMembershipArray);
494 <  }
495 <  
496 <  if (the_globals->getUseRF() ) {
497 <    simnfo->useReactionField = 1;
498 <  
499 <    if( !the_globals->haveECR() ){
500 <      sprintf( painCave.errMsg,
501 <               "SimSetup Warning: using default value of 1/2 the smallest "
502 <               "box length for the electrostaticCutoffRadius.\n"
503 <               "I hope you have a very fast processor!\n");
504 <      painCave.isFatal = 0;
505 <      simError();
506 <      double smallest;
507 <      smallest = simnfo->box_x;
508 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
509 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
510 <      simnfo->ecr = 0.5 * smallest;
511 <    } else {
512 <      simnfo->ecr        = the_globals->getECR();
513 <    }
514 <
515 <    if( !the_globals->haveEST() ){
516 <      sprintf( painCave.errMsg,
517 <               "SimSetup Warning: using default value of 0.05 * the "
518 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
519 <               );
520 <      painCave.isFatal = 0;
521 <      simError();
522 <      simnfo->est = 0.05 * simnfo->ecr;
523 <    } else {
524 <      simnfo->est        = the_globals->getEST();
525 <    }
526 <    
527 <    if(!the_globals->haveDielectric() ){
528 <      sprintf( painCave.errMsg,
529 <               "SimSetup Error: You are trying to use Reaction Field without"
530 <               "setting a dielectric constant!\n"
531 <               );
532 <      painCave.isFatal = 1;
533 <      simError();
534 <    }
535 <    simnfo->dielectric = the_globals->getDielectric();  
536 <  } else {
537 <    if (usesDipoles) {
538 <      
539 <      if( !the_globals->haveECR() ){
540 <        sprintf( painCave.errMsg,
541 <                 "SimSetup Warning: using default value of 1/2 the smallest "
542 <                 "box length for the electrostaticCutoffRadius.\n"
543 <                 "I hope you have a very fast processor!\n");
544 <        painCave.isFatal = 0;
545 <        simError();
546 <        double smallest;
547 <        smallest = simnfo->box_x;
548 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
549 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
550 <        simnfo->ecr = 0.5 * smallest;
551 <      } else {
552 <        simnfo->ecr        = the_globals->getECR();
402 >        info[k].excludes[j + excludeOffset]->setPair(exI, exJ);
403 > #else  // isn't MPI
404 >        info[k].excludes[j + excludeOffset]->setPair((exI + 1), (exJ + 1));
405 > #endif  //is_mpi
406        }
407 <      
555 <      if( !the_globals->haveEST() ){
556 <        sprintf( painCave.errMsg,
557 <                 "SimSetup Warning: using default value of 5%% of the "
558 <                 "electrostaticCutoffRadius for the "
559 <                 "electrostaticSkinThickness\n"
560 <                 );
561 <        painCave.isFatal = 0;
562 <        simError();
563 <        simnfo->est = 0.05 * simnfo->ecr;
564 <      } else {
565 <        simnfo->est        = the_globals->getEST();
566 <      }
567 <    }
568 <  }  
407 >      excludeOffset += molInfo.nTorsions;
408  
570 #ifdef IS_MPI
571  strcpy( checkPointMsg, "electrostatic parameters check out" );
572  MPIcheckPoint();
573 #endif // is_mpi
409  
410 < if( the_globals->haveInitialConfig() ){
576 <
577 <     InitializeFromFile* fileInit;
578 < #ifdef IS_MPI // is_mpi
579 <     if( worldRank == 0 ){
580 < #endif //is_mpi
581 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
582 < #ifdef IS_MPI
583 <     }else fileInit = new InitializeFromFile( NULL );
584 < #endif
585 <   fileInit->read_xyz( simnfo ); // default velocities on
410 >      // send the arrays off to the forceField for init.
411  
412 <   delete fileInit;
413 < }
414 < else{
412 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
413 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
414 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
415 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
416 >                                 theTorsions);
417  
591 #ifdef IS_MPI
418  
419 <  // no init from bass
594 <  
595 <  sprintf( painCave.errMsg,
596 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
597 <  painCave.isFatal;
598 <  simError();
599 <  
600 < #else
419 >      info[k].molecules[i].initialize(molInfo);
420  
602  initFromBass();
421  
422 +      atomOffset += molInfo.nAtoms;
423 +      delete[] theBonds;
424 +      delete[] theBends;
425 +      delete[] theTorsions;
426 +    }
427 +  }
428  
605 #endif
606 }
607
429   #ifdef IS_MPI
430 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
430 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
431    MPIcheckPoint();
432   #endif // is_mpi
433  
434 +  // clean up the forcefield
435  
436 <  
437 <
438 <  
436 >  the_ff->calcRcut();
437 >  the_ff->cleanMe();
438 > }
439  
440 <  
441 < #ifdef IS_MPI
442 <  if( worldRank == 0 ){
443 < #endif // is_mpi
444 <    
445 <    if( the_globals->haveFinalConfig() ){
446 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
440 > void SimSetup::initFromBass(void){
441 >  int i, j, k;
442 >  int n_cells;
443 >  double cellx, celly, cellz;
444 >  double temp1, temp2, temp3;
445 >  int n_per_extra;
446 >  int n_extra;
447 >  int have_extra, done;
448 >
449 >  double vel[3];
450 >  vel[0] = 0.0;
451 >  vel[1] = 0.0;
452 >  vel[2] = 0.0;
453 >
454 >  temp1 = (double) tot_nmol / 4.0;
455 >  temp2 = pow(temp1, (1.0 / 3.0));
456 >  temp3 = ceil(temp2);
457 >
458 >  have_extra = 0;
459 >  if (temp2 < temp3){
460 >    // we have a non-complete lattice
461 >    have_extra = 1;
462 >
463 >    n_cells = (int) temp3 - 1;
464 >    cellx = info[0].boxL[0] / temp3;
465 >    celly = info[0].boxL[1] / temp3;
466 >    cellz = info[0].boxL[2] / temp3;
467 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
468 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
469 >    n_per_extra = (int) ceil(temp1);
470 >
471 >    if (n_per_extra > 4){
472 >      sprintf(painCave.errMsg,
473 >              "SimSetup error. There has been an error in constructing"
474 >              " the non-complete lattice.\n");
475 >      painCave.isFatal = 1;
476 >      simError();
477      }
626    else{
627      strcpy( simnfo->finalName, inFileName );
628      char* endTest;
629      int nameLength = strlen( simnfo->finalName );
630      endTest = &(simnfo->finalName[nameLength - 5]);
631      if( !strcmp( endTest, ".bass" ) ){
632        strcpy( endTest, ".eor" );
633      }
634      else if( !strcmp( endTest, ".BASS" ) ){
635        strcpy( endTest, ".eor" );
636      }
637      else{
638        endTest = &(simnfo->finalName[nameLength - 4]);
639        if( !strcmp( endTest, ".bss" ) ){
640          strcpy( endTest, ".eor" );
641        }
642        else if( !strcmp( endTest, ".mdl" ) ){
643          strcpy( endTest, ".eor" );
644        }
645        else{
646          strcat( simnfo->finalName, ".eor" );
647        }
648      }
649    }
650    
651    // make the sample and status out names
652    
653    strcpy( simnfo->sampleName, inFileName );
654    char* endTest;
655    int nameLength = strlen( simnfo->sampleName );
656    endTest = &(simnfo->sampleName[nameLength - 5]);
657    if( !strcmp( endTest, ".bass" ) ){
658      strcpy( endTest, ".dump" );
659    }
660    else if( !strcmp( endTest, ".BASS" ) ){
661      strcpy( endTest, ".dump" );
662    }
663    else{
664      endTest = &(simnfo->sampleName[nameLength - 4]);
665      if( !strcmp( endTest, ".bss" ) ){
666        strcpy( endTest, ".dump" );
667      }
668      else if( !strcmp( endTest, ".mdl" ) ){
669        strcpy( endTest, ".dump" );
670      }
671      else{
672        strcat( simnfo->sampleName, ".dump" );
673      }
674    }
675    
676    strcpy( simnfo->statusName, inFileName );
677    nameLength = strlen( simnfo->statusName );
678    endTest = &(simnfo->statusName[nameLength - 5]);
679    if( !strcmp( endTest, ".bass" ) ){
680      strcpy( endTest, ".stat" );
681    }
682    else if( !strcmp( endTest, ".BASS" ) ){
683      strcpy( endTest, ".stat" );
684    }
685    else{
686      endTest = &(simnfo->statusName[nameLength - 4]);
687      if( !strcmp( endTest, ".bss" ) ){
688        strcpy( endTest, ".stat" );
689      }
690      else if( !strcmp( endTest, ".mdl" ) ){
691        strcpy( endTest, ".stat" );
692      }
693      else{
694        strcat( simnfo->statusName, ".stat" );
695      }
696    }
697    
698 #ifdef IS_MPI
478    }
700 #endif // is_mpi
701  
702  // set the status, sample, and themal kick times
703  
704  if( the_globals->haveSampleTime() ){
705    simnfo->sampleTime = the_globals->getSampleTime();
706    simnfo->statusTime = simnfo->sampleTime;
707    simnfo->thermalTime = simnfo->sampleTime;
708  }
479    else{
480 <    simnfo->sampleTime = the_globals->getRunTime();
481 <    simnfo->statusTime = simnfo->sampleTime;
482 <    simnfo->thermalTime = simnfo->sampleTime;
480 >    n_cells = (int) temp3;
481 >    cellx = info[0].boxL[0] / temp3;
482 >    celly = info[0].boxL[1] / temp3;
483 >    cellz = info[0].boxL[2] / temp3;
484    }
485  
486 <  if( the_globals->haveStatusTime() ){
487 <    simnfo->statusTime = the_globals->getStatusTime();
488 <  }
486 >  current_mol = 0;
487 >  current_comp_mol = 0;
488 >  current_comp = 0;
489 >  current_atom_ndx = 0;
490  
491 <  if( the_globals->haveThermalTime() ){
492 <    simnfo->thermalTime = the_globals->getThermalTime();
493 <  }
491 >  for (i = 0; i < n_cells ; i++){
492 >    for (j = 0; j < n_cells; j++){
493 >      for (k = 0; k < n_cells; k++){
494 >        makeElement(i * cellx, j * celly, k * cellz);
495  
496 <  // check for the temperature set flag
496 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
497  
498 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
498 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
499  
500 +        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
501 +      }
502 +    }
503 +  }
504  
505 < //   // make the longe range forces and the integrator
505 >  if (have_extra){
506 >    done = 0;
507  
508 < //   new AllLong( simnfo );
508 >    int start_ndx;
509 >    for (i = 0; i < (n_cells + 1) && !done; i++){
510 >      for (j = 0; j < (n_cells + 1) && !done; j++){
511 >        if (i < n_cells){
512 >          if (j < n_cells){
513 >            start_ndx = n_cells;
514 >          }
515 >          else
516 >            start_ndx = 0;
517 >        }
518 >        else
519 >          start_ndx = 0;
520  
521 +        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
522 +          makeElement(i * cellx, j * celly, k * cellz);
523 +          done = (current_mol >= tot_nmol);
524  
525 <  if( !strcmp( force_field, "TraPPE_Ex" ) ){
526 <    new Symplectic(simnfo, the_ff, the_extendedsystem);
527 <  }
528 <  else if( !strcmp( force_field, "LJ" ) ){
529 <    new Verlet( *simnfo, the_ff, the_extendedsystem );
738 <  }
739 <  else {
740 <    std::cerr << "I'm a bug.\n";
741 <    fprintf( stderr, "Ima bug. stderr %s\n", force_field);
742 <  }
743 < #ifdef IS_MPI
744 <  mpiSim->mpiRefresh();
745 < #endif
525 >          if (!done && n_per_extra > 1){
526 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
527 >                        k * cellz);
528 >            done = (current_mol >= tot_nmol);
529 >          }
530  
531 <  // initialize the Fortran
531 >          if (!done && n_per_extra > 2){
532 >            makeElement(i * cellx, j * celly + 0.5 * celly,
533 >                        k * cellz + 0.5 * cellz);
534 >            done = (current_mol >= tot_nmol);
535 >          }
536  
537 +          if (!done && n_per_extra > 3){
538 +            makeElement(i * cellx + 0.5 * cellx, j * celly,
539 +                        k * cellz + 0.5 * cellz);
540 +            done = (current_mol >= tot_nmol);
541 +          }
542 +        }
543 +      }
544 +    }
545 +  }
546  
547 <  simnfo->refreshSim();
548 <  
752 <  if( !strcmp( simnfo->mixingRule, "standard") ){
753 <    the_ff->initForceField( LB_MIXING_RULE );
547 >  for (i = 0; i < info[0].n_atoms; i++){
548 >    info[0].atoms[i]->setVel(vel);
549    }
755  else if( !strcmp( simnfo->mixingRule, "explicit") ){
756    the_ff->initForceField( EXPLICIT_MIXING_RULE );
757  }
758  else{
759    sprintf( painCave.errMsg,
760             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
761             simnfo->mixingRule );
762    painCave.isFatal = 1;
763    simError();
764  }
765
766
767 #ifdef IS_MPI
768  strcpy( checkPointMsg,
769          "Successfully intialized the mixingRule for Fortran." );
770  MPIcheckPoint();
771 #endif // is_mpi
550   }
551  
552 <
553 < void SimSetup::makeMolecules( void ){
554 <
777 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
778 <  molInit info;
552 > void SimSetup::makeElement(double x, double y, double z){
553 >  int k;
554 >  AtomStamp* current_atom;
555    DirectionalAtom* dAtom;
556 <  LinkedAssign* extras;
557 <  LinkedAssign* current_extra;
782 <  AtomStamp* currentAtom;
783 <  BondStamp* currentBond;
784 <  BendStamp* currentBend;
785 <  TorsionStamp* currentTorsion;
556 >  double rotMat[3][3];
557 >  double pos[3];
558  
559 <  bond_pair* theBonds;
560 <  bend_set* theBends;
561 <  torsion_set* theTorsions;
559 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
560 >    current_atom = comp_stamps[current_comp]->getAtom(k);
561 >    if (!current_atom->havePosition()){
562 >      sprintf(painCave.errMsg,
563 >              "SimSetup:initFromBass error.\n"
564 >              "\tComponent %s, atom %s does not have a position specified.\n"
565 >              "\tThe initialization routine is unable to give a start"
566 >              " position.\n",
567 >              comp_stamps[current_comp]->getID(), current_atom->getType());
568 >      painCave.isFatal = 1;
569 >      simError();
570 >    }
571  
572 <  
573 <  //init the forceField paramters
572 >    pos[0] = x + current_atom->getPosX();
573 >    pos[1] = y + current_atom->getPosY();
574 >    pos[2] = z + current_atom->getPosZ();
575  
576 <  the_ff->readParams();
576 >    info[0].atoms[current_atom_ndx]->setPos(pos);
577  
578 <  
579 <  // init the atoms
578 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
579 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
580  
581 <  double ux, uy, uz, u, uSqr;
582 <  
583 <  atomOffset = 0;
802 <  excludeOffset = 0;
803 <  for(i=0; i<simnfo->n_mol; i++){
804 <    
805 <    stampID = the_molecules[i].getStampID();
581 >      rotMat[0][0] = 1.0;
582 >      rotMat[0][1] = 0.0;
583 >      rotMat[0][2] = 0.0;
584  
585 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
586 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
587 <    info.nBends    = comp_stamps[stampID]->getNBends();
810 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
811 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
585 >      rotMat[1][0] = 0.0;
586 >      rotMat[1][1] = 1.0;
587 >      rotMat[1][2] = 0.0;
588  
589 <    info.myAtoms = &the_atoms[atomOffset];
590 <    info.myExcludes = &the_excludes[excludeOffset];
591 <    info.myBonds = new Bond*[info.nBonds];
816 <    info.myBends = new Bend*[info.nBends];
817 <    info.myTorsions = new Torsion*[info.nTorsions];
589 >      rotMat[2][0] = 0.0;
590 >      rotMat[2][1] = 0.0;
591 >      rotMat[2][2] = 1.0;
592  
593 <    theBonds = new bond_pair[info.nBonds];
594 <    theBends = new bend_set[info.nBends];
821 <    theTorsions = new torsion_set[info.nTorsions];
822 <    
823 <    // make the Atoms
824 <    
825 <    for(j=0; j<info.nAtoms; j++){
826 <      
827 <      currentAtom = comp_stamps[stampID]->getAtom( j );
828 <      if( currentAtom->haveOrientation() ){
829 <        
830 <        dAtom = new DirectionalAtom(j + atomOffset);
831 <        simnfo->n_oriented++;
832 <        info.myAtoms[j] = dAtom;
833 <        
834 <        ux = currentAtom->getOrntX();
835 <        uy = currentAtom->getOrntY();
836 <        uz = currentAtom->getOrntZ();
837 <        
838 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
839 <        
840 <        u = sqrt( uSqr );
841 <        ux = ux / u;
842 <        uy = uy / u;
843 <        uz = uz / u;
844 <        
845 <        dAtom->setSUx( ux );
846 <        dAtom->setSUy( uy );
847 <        dAtom->setSUz( uz );
848 <      }
849 <      else{
850 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
851 <      }
852 <      info.myAtoms[j]->setType( currentAtom->getType() );
853 <    
854 < #ifdef IS_MPI
855 <      
856 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
857 <      
858 < #endif // is_mpi
859 <    }
860 <    
861 <    // make the bonds
862 <    for(j=0; j<info.nBonds; j++){
863 <      
864 <      currentBond = comp_stamps[stampID]->getBond( j );
865 <      theBonds[j].a = currentBond->getA() + atomOffset;
866 <      theBonds[j].b = currentBond->getB() + atomOffset;
593 >      dAtom->setA(rotMat);
594 >    }
595  
596 <      exI = theBonds[j].a;
597 <      exJ = theBonds[j].b;
596 >    current_atom_ndx++;
597 >  }
598  
599 <      // exclude_I must always be the smaller of the pair
600 <      if( exI > exJ ){
873 <        tempEx = exI;
874 <        exI = exJ;
875 <        exJ = tempEx;
876 <      }
877 < #ifdef IS_MPI
878 <      tempEx = exI;
879 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
880 <      tempEx = exJ;
881 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
882 <      
883 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
884 < #else  // isn't MPI
599 >  current_mol++;
600 >  current_comp_mol++;
601  
602 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
603 < #endif  //is_mpi
604 <    }
605 <    excludeOffset += info.nBonds;
602 >  if (current_comp_mol >= components_nmol[current_comp]){
603 >    current_comp_mol = 0;
604 >    current_comp++;
605 >  }
606 > }
607  
891    //make the bends
892    for(j=0; j<info.nBends; j++){
893      
894      currentBend = comp_stamps[stampID]->getBend( j );
895      theBends[j].a = currentBend->getA() + atomOffset;
896      theBends[j].b = currentBend->getB() + atomOffset;
897      theBends[j].c = currentBend->getC() + atomOffset;
898          
899      if( currentBend->haveExtras() ){
900            
901        extras = currentBend->getExtras();
902        current_extra = extras;
903            
904        while( current_extra != NULL ){
905          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
906                
907            switch( current_extra->getType() ){
908              
909            case 0:
910              theBends[j].ghost =
911                current_extra->getInt() + atomOffset;
912              theBends[j].isGhost = 1;
913              break;
914                  
915            case 1:
916              theBends[j].ghost =
917                (int)current_extra->getDouble() + atomOffset;
918              theBends[j].isGhost = 1;
919              break;
920              
921            default:
922              sprintf( painCave.errMsg,
923                       "SimSetup Error: ghostVectorSource was neither a "
924                       "double nor an int.\n"
925                       "-->Bend[%d] in %s\n",
926                       j, comp_stamps[stampID]->getID() );
927              painCave.isFatal = 1;
928              simError();
929            }
930          }
931          
932          else{
933            
934            sprintf( painCave.errMsg,
935                     "SimSetup Error: unhandled bend assignment:\n"
936                     "    -->%s in Bend[%d] in %s\n",
937                     current_extra->getlhs(),
938                     j, comp_stamps[stampID]->getID() );
939            painCave.isFatal = 1;
940            simError();
941          }
942          
943          current_extra = current_extra->getNext();
944        }
945      }
946          
947      if( !theBends[j].isGhost ){
948            
949        exI = theBends[j].a;
950        exJ = theBends[j].c;
951      }
952      else{
953        
954        exI = theBends[j].a;
955        exJ = theBends[j].b;
956      }
957      
958      // exclude_I must always be the smaller of the pair
959      if( exI > exJ ){
960        tempEx = exI;
961        exI = exJ;
962        exJ = tempEx;
963      }
964 #ifdef IS_MPI
965      tempEx = exI;
966      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
967      tempEx = exJ;
968      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
969      
970      the_excludes[j+excludeOffset]->setPair( exI, exJ );
971 #else  // isn't MPI
972      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
973 #endif  //is_mpi
974    }
975    excludeOffset += info.nBends;
608  
609 <    for(j=0; j<info.nTorsions; j++){
610 <      
979 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
980 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
981 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
982 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
983 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
984 <      
985 <      exI = theTorsions[j].a;
986 <      exJ = theTorsions[j].d;
609 > void SimSetup::gatherInfo(void){
610 >  int i;
611  
612 <      // exclude_I must always be the smaller of the pair
613 <      if( exI > exJ ){
990 <        tempEx = exI;
991 <        exI = exJ;
992 <        exJ = tempEx;
993 <      }
994 < #ifdef IS_MPI
995 <      tempEx = exI;
996 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
997 <      tempEx = exJ;
998 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
999 <      
1000 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1001 < #else  // isn't MPI
1002 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1003 < #endif  //is_mpi
1004 <    }
1005 <    excludeOffset += info.nTorsions;
612 >  ensembleCase = -1;
613 >  ffCase = -1;
614  
615 <    
1008 <    // send the arrays off to the forceField for init.
615 >  // set the easy ones first
616  
617 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
618 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
619 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
620 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
617 >  for (i = 0; i < nInfo; i++){
618 >    info[i].target_temp = globals->getTargetTemp();
619 >    info[i].dt = globals->getDt();
620 >    info[i].run_time = globals->getRunTime();
621 >  }
622 >  n_components = globals->getNComponents();
623  
624  
625 <    the_molecules[i].initialize( info );
625 >  // get the forceField
626  
627 +  strcpy(force_field, globals->getForceField());
628  
629 <    atomOffset += info.nAtoms;
630 <    delete[] theBonds;
1021 <    delete[] theBends;
1022 <    delete[] theTorsions;
629 >  if (!strcasecmp(force_field, "DUFF")){
630 >    ffCase = FF_DUFF;
631    }
632 +  else if (!strcasecmp(force_field, "LJ")){
633 +    ffCase = FF_LJ;
634 +  }
635 +  else if (!strcasecmp(force_field, "EAM")){
636 +    ffCase = FF_EAM;
637 +  }
638 +  else{
639 +    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
640 +            force_field);
641 +         painCave.isFatal = 1;
642 +         simError();
643 +  }
644  
645 < #ifdef IS_MPI
1026 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1027 <  MPIcheckPoint();
1028 < #endif // is_mpi
645 >    // get the ensemble
646  
647 <  // clean up the forcefield
1031 <  the_ff->calcRcut();
1032 <  the_ff->cleanMe();
647 >  strcpy(ensemble, globals->getEnsemble());
648  
649 < }
649 >  if (!strcasecmp(ensemble, "NVE")){
650 >    ensembleCase = NVE_ENS;
651 >  }
652 >  else if (!strcasecmp(ensemble, "NVT")){
653 >    ensembleCase = NVT_ENS;
654 >  }
655 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
656 >    ensembleCase = NPTi_ENS;
657 >  }
658 >  else if (!strcasecmp(ensemble, "NPTf")){
659 >    ensembleCase = NPTf_ENS;
660 >  }
661 >  else if (!strcasecmp(ensemble, "NPTxyz")){
662 >    ensembleCase = NPTxyz_ENS;
663 >  }
664 >  else{
665 >    sprintf(painCave.errMsg,
666 >            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
667 >            "\treverting to NVE for this simulation.\n",
668 >            ensemble);
669 >         painCave.isFatal = 0;
670 >         simError();
671 >         strcpy(ensemble, "NVE");
672 >         ensembleCase = NVE_ENS;
673 >  }  
674  
675 < void SimSetup::initFromBass( void ){
675 >  for (i = 0; i < nInfo; i++){
676 >    strcpy(info[i].ensemble, ensemble);
677  
678 <  int i, j, k;
1039 <  int n_cells;
1040 <  double cellx, celly, cellz;
1041 <  double temp1, temp2, temp3;
1042 <  int n_per_extra;
1043 <  int n_extra;
1044 <  int have_extra, done;
678 >    // get the mixing rule
679  
680 <  temp1 = (double)tot_nmol / 4.0;
681 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
682 <  temp3 = ceil( temp2 );
680 >    strcpy(info[i].mixingRule, globals->getMixingRule());
681 >    info[i].usePBC = globals->getPBC();
682 >  }
683  
684 <  have_extra =0;
1051 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1052 <    have_extra =1;
684 >  // get the components and calculate the tot_nMol and indvidual n_mol
685  
686 <    n_cells = (int)temp3 - 1;
687 <    cellx = simnfo->box_x / temp3;
1056 <    celly = simnfo->box_y / temp3;
1057 <    cellz = simnfo->box_z / temp3;
1058 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1059 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1060 <    n_per_extra = (int)ceil( temp1 );
686 >  the_components = globals->getComponents();
687 >  components_nmol = new int[n_components];
688  
689 <    if( n_per_extra > 4){
690 <      sprintf( painCave.errMsg,
691 <               "SimSetup error. There has been an error in constructing"
692 <               " the non-complete lattice.\n" );
693 <      painCave.isFatal = 1;
694 <      simError();
689 >
690 >  if (!globals->haveNMol()){
691 >    // we don't have the total number of molecules, so we assume it is
692 >    // given in each component
693 >
694 >    tot_nmol = 0;
695 >    for (i = 0; i < n_components; i++){
696 >      if (!the_components[i]->haveNMol()){
697 >        // we have a problem
698 >        sprintf(painCave.errMsg,
699 >                "SimSetup Error. No global NMol or component NMol given.\n"
700 >                "\tCannot calculate the number of atoms.\n");
701 >        painCave.isFatal = 1;
702 >        simError();
703 >      }
704 >
705 >      tot_nmol += the_components[i]->getNMol();
706 >      components_nmol[i] = the_components[i]->getNMol();
707      }
708    }
709    else{
710 <    n_cells = (int)temp3;
711 <    cellx = simnfo->box_x / temp3;
712 <    celly = simnfo->box_y / temp3;
713 <    cellz = simnfo->box_z / temp3;
710 >    sprintf(painCave.errMsg,
711 >            "SimSetup error.\n"
712 >            "\tSorry, the ability to specify total"
713 >            " nMols and then give molfractions in the components\n"
714 >            "\tis not currently supported."
715 >            " Please give nMol in the components.\n");
716 >    painCave.isFatal = 1;
717 >    simError();
718    }
719  
720 <  current_mol = 0;
721 <  current_comp_mol = 0;
722 <  current_comp = 0;
723 <  current_atom_ndx = 0;
720 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
721 >  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
722 >    sprintf(painCave.errMsg,
723 >            "Sample time is not divisible by dt.\n"
724 >            "\tThis will result in samples that are not uniformly\n"
725 >            "\tdistributed in time.  If this is a problem, change\n"
726 >            "\tyour sampleTime variable.\n");
727 >    painCave.isFatal = 0;
728 >    simError();    
729 >  }
730  
731 <  for( i=0; i < n_cells ; i++ ){
732 <    for( j=0; j < n_cells; j++ ){
733 <      for( k=0; k < n_cells; k++ ){
731 >  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
732 >    sprintf(painCave.errMsg,
733 >            "Status time is not divisible by dt.\n"
734 >            "\tThis will result in status reports that are not uniformly\n"
735 >            "\tdistributed in time.  If this is a problem, change \n"
736 >            "\tyour statusTime variable.\n");
737 >    painCave.isFatal = 0;
738 >    simError();    
739 >  }
740  
741 <        makeElement( i * cellx,
742 <                     j * celly,
743 <                     k * cellz );
741 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
742 >    sprintf(painCave.errMsg,
743 >            "Thermal time is not divisible by dt.\n"
744 >            "\tThis will result in thermalizations that are not uniformly\n"
745 >            "\tdistributed in time.  If this is a problem, change \n"
746 >            "\tyour thermalTime variable.\n");
747 >    painCave.isFatal = 0;
748 >    simError();    
749 >  }  
750  
751 <        makeElement( i * cellx + 0.5 * cellx,
752 <                     j * celly + 0.5 * celly,
753 <                     k * cellz );
751 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
752 >    sprintf(painCave.errMsg,
753 >            "Reset time is not divisible by dt.\n"
754 >            "\tThis will result in integrator resets that are not uniformly\n"
755 >            "\tdistributed in time.  If this is a problem, change\n"
756 >            "\tyour resetTime variable.\n");
757 >    painCave.isFatal = 0;
758 >    simError();    
759 >  }
760  
761 <        makeElement( i * cellx,
1095 <                     j * celly + 0.5 * celly,
1096 <                     k * cellz + 0.5 * cellz );
761 >  // set the status, sample, and thermal kick times
762  
763 <        makeElement( i * cellx + 0.5 * cellx,
764 <                     j * celly,
765 <                     k * cellz + 0.5 * cellz );
766 <      }
763 >  for (i = 0; i < nInfo; i++){
764 >    if (globals->haveSampleTime()){
765 >      info[i].sampleTime = globals->getSampleTime();
766 >      info[i].statusTime = info[i].sampleTime;
767 >      info[i].thermalTime = info[i].sampleTime;
768      }
769 <  }
769 >    else{
770 >      info[i].sampleTime = globals->getRunTime();
771 >      info[i].statusTime = info[i].sampleTime;
772 >      info[i].thermalTime = info[i].sampleTime;
773 >    }
774  
775 <  if( have_extra ){
776 <    done = 0;
775 >    if (globals->haveStatusTime()){
776 >      info[i].statusTime = globals->getStatusTime();
777 >    }
778  
779 <    int start_ndx;
780 <    for( i=0; i < (n_cells+1) && !done; i++ ){
781 <      for( j=0; j < (n_cells+1) && !done; j++ ){
779 >    if (globals->haveThermalTime()){
780 >      info[i].thermalTime = globals->getThermalTime();
781 >    }
782  
783 <        if( i < n_cells ){
783 >    info[i].resetIntegrator = 0;
784 >    if( globals->haveResetTime() ){
785 >      info[i].resetTime = globals->getResetTime();
786 >      info[i].resetIntegrator = 1;
787 >    }
788  
789 <          if( j < n_cells ){
790 <            start_ndx = n_cells;
791 <          }
792 <          else start_ndx = 0;
1118 <        }
1119 <        else start_ndx = 0;
789 >    // check for the temperature set flag
790 >    
791 >    if (globals->haveTempSet())
792 >      info[i].setTemp = globals->getTempSet();
793  
794 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
794 >    // check for the extended State init
795  
796 <          makeElement( i * cellx,
797 <                       j * celly,
798 <                       k * cellz );
799 <          done = ( current_mol >= tot_nmol );
796 >    info[i].useInitXSstate = globals->getUseInitXSstate();
797 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
798 >    
799 >  }
800 >  
801 >  //setup seed for random number generator
802 >  int seedValue;
803  
804 <          if( !done && n_per_extra > 1 ){
805 <            makeElement( i * cellx + 0.5 * cellx,
1130 <                         j * celly + 0.5 * celly,
1131 <                         k * cellz );
1132 <            done = ( current_mol >= tot_nmol );
1133 <          }
804 >  if (globals->haveSeed()){
805 >    seedValue = globals->getSeed();
806  
807 <          if( !done && n_per_extra > 2){
808 <            makeElement( i * cellx,
809 <                         j * celly + 0.5 * celly,
810 <                         k * cellz + 0.5 * cellz );
811 <            done = ( current_mol >= tot_nmol );
812 <          }
807 >    if(seedValue / 1E9 == 0){
808 >      sprintf(painCave.errMsg,
809 >              "Seed for sprng library should contain at least 9 digits\n"
810 >              "OOPSE will generate a seed for user\n");
811 >      painCave.isFatal = 0;
812 >      simError();
813  
814 <          if( !done && n_per_extra > 3){
815 <            makeElement( i * cellx + 0.5 * cellx,
816 <                         j * celly,
817 <                         k * cellz + 0.5 * cellz );
818 <            done = ( current_mol >= tot_nmol );
819 <          }
1148 <        }
814 >      //using seed generated by system instead of invalid seed set by user
815 > #ifndef IS_MPI
816 >      seedValue = make_sprng_seed();
817 > #else
818 >      if (worldRank == 0){
819 >        seedValue = make_sprng_seed();
820        }
821 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
822 + #endif      
823      }
824 <  }
824 >  }//end of if branch of globals->haveSeed()
825 >  else{
826 >    
827 > #ifndef IS_MPI
828 >    seedValue = make_sprng_seed();
829 > #else
830 >    if (worldRank == 0){
831 >      seedValue = make_sprng_seed();
832 >    }
833 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
834 > #endif
835 >  }//end of globals->haveSeed()
836  
837 <
838 <  for( i=0; i<simnfo->n_atoms; i++ ){
1155 <    simnfo->atoms[i]->set_vx( 0.0 );
1156 <    simnfo->atoms[i]->set_vy( 0.0 );
1157 <    simnfo->atoms[i]->set_vz( 0.0 );
837 >  for (int i = 0; i < nInfo; i++){
838 >    info[i].setSeed(seedValue);
839    }
840 +
841 + #ifdef IS_MPI
842 +  strcpy(checkPointMsg, "Succesfully gathered all information from Bass\n");
843 +  MPIcheckPoint();
844 + #endif // is_mpi
845   }
846  
1161 void SimSetup::makeElement( double x, double y, double z ){
847  
848 <  int k;
849 <  AtomStamp* current_atom;
850 <  DirectionalAtom* dAtom;
851 <  double rotMat[3][3];
848 > void SimSetup::finalInfoCheck(void){
849 >  int index;
850 >  int usesDipoles;
851 >  int i;
852  
853 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
853 >  for (i = 0; i < nInfo; i++){
854 >    // check electrostatic parameters
855  
856 <    current_atom = comp_stamps[current_comp]->getAtom( k );
857 <    if( !current_atom->havePosition() ){
858 <      sprintf( painCave.errMsg,
859 <               "SimSetup:initFromBass error.\n"
860 <               "\tComponent %s, atom %s does not have a position specified.\n"
1175 <               "\tThe initialization routine is unable to give a start"
1176 <               " position.\n",
1177 <               comp_stamps[current_comp]->getID(),
1178 <               current_atom->getType() );
1179 <      painCave.isFatal = 1;
1180 <      simError();
856 >    index = 0;
857 >    usesDipoles = 0;
858 >    while ((index < info[i].n_atoms) && !usesDipoles){
859 >      usesDipoles = (info[i].atoms[index])->hasDipole();
860 >      index++;
861      }
862  
863 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
864 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
865 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
863 > #ifdef IS_MPI
864 >    int myUse = usesDipoles;
865 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
866 > #endif //is_mpi
867  
868 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
868 >    double theEcr, theEst;
869  
870 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
870 >    if (globals->getUseRF()){
871 >      info[i].useReactionField = 1;
872  
873 <      rotMat[0][0] = 1.0;
874 <      rotMat[0][1] = 0.0;
875 <      rotMat[0][2] = 0.0;
873 >      if (!globals->haveECR()){
874 >        sprintf(painCave.errMsg,
875 >                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
876 >                "\tOOPSE will use a default value of 15.0 angstroms"
877 >                "\tfor the electrostaticCutoffRadius.\n");
878 >        painCave.isFatal = 0;
879 >        simError();
880 >        theEcr = 15.0;
881 >      }
882 >      else{
883 >        theEcr = globals->getECR();
884 >      }
885  
886 <      rotMat[1][0] = 0.0;
887 <      rotMat[1][1] = 1.0;
888 <      rotMat[1][2] = 0.0;
886 >      if (!globals->haveEST()){
887 >        sprintf(painCave.errMsg,
888 >                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
889 >                "\tOOPSE will use a default value of\n"
890 >                "\t0.05 * electrostaticCutoffRadius\n"
891 >                "\tfor the electrostaticSkinThickness\n");
892 >        painCave.isFatal = 0;
893 >        simError();
894 >        theEst = 0.05 * theEcr;
895 >      }
896 >      else{
897 >        theEst = globals->getEST();
898 >      }
899  
900 <      rotMat[2][0] = 0.0;
1200 <      rotMat[2][1] = 0.0;
1201 <      rotMat[2][2] = 1.0;
900 >      info[i].setDefaultEcr(theEcr, theEst);
901  
902 <      dAtom->setA( rotMat );
902 >      if (!globals->haveDielectric()){
903 >        sprintf(painCave.errMsg,
904 >                "SimSetup Error: No Dielectric constant was set.\n"
905 >                "\tYou are trying to use Reaction Field without"
906 >                "\tsetting a dielectric constant!\n");
907 >        painCave.isFatal = 1;
908 >        simError();
909 >      }
910 >      info[i].dielectric = globals->getDielectric();
911      }
912 <
913 <    current_atom_ndx++;
912 >    else{
913 >      if (usesDipoles){
914 >        if (!globals->haveECR()){
915 >          sprintf(painCave.errMsg,
916 >                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
917 >                  "\tOOPSE will use a default value of 15.0 angstroms"
918 >                  "\tfor the electrostaticCutoffRadius.\n");
919 >          painCave.isFatal = 0;
920 >          simError();
921 >          theEcr = 15.0;
922 >        }
923 >        else{
924 >          theEcr = globals->getECR();
925 >        }
926 >        
927 >        if (!globals->haveEST()){
928 >          sprintf(painCave.errMsg,
929 >                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
930 >                  "\tOOPSE will use a default value of\n"
931 >                  "\t0.05 * electrostaticCutoffRadius\n"
932 >                  "\tfor the electrostaticSkinThickness\n");
933 >          painCave.isFatal = 0;
934 >          simError();
935 >          theEst = 0.05 * theEcr;
936 >        }
937 >        else{
938 >          theEst = globals->getEST();
939 >        }
940 >        
941 >        info[i].setDefaultEcr(theEcr, theEst);
942 >      }
943 >    }
944    }
945 + #ifdef IS_MPI
946 +  strcpy(checkPointMsg, "post processing checks out");
947 +  MPIcheckPoint();
948 + #endif // is_mpi
949 + }
950 +  
951 + void SimSetup::initSystemCoords(void){
952 +  int i;
953  
954 <  current_mol++;
1210 <  current_comp_mol++;
954 >  char* inName;
955  
956 <  if( current_comp_mol >= components_nmol[current_comp] ){
956 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
957  
958 <    current_comp_mol = 0;
959 <    current_comp++;
958 >  for (i = 0; i < info[0].n_atoms; i++)
959 >    info[0].atoms[i]->setCoords();
960 >
961 >  if (globals->haveInitialConfig()){
962 >    InitializeFromFile* fileInit;
963 > #ifdef IS_MPI // is_mpi
964 >    if (worldRank == 0){
965 > #endif //is_mpi
966 >      inName = globals->getInitialConfig();
967 >      fileInit = new InitializeFromFile(inName);
968 > #ifdef IS_MPI
969 >    }
970 >    else
971 >      fileInit = new InitializeFromFile(NULL);
972 > #endif
973 >    fileInit->readInit(info); // default velocities on
974 >
975 >    delete fileInit;
976 >  }
977 >  else{
978 >    
979 >    // no init from bass
980 >    
981 >    sprintf(painCave.errMsg,
982 >            "Cannot intialize a simulation without an initial configuration file.\n");
983 >    painCave.isFatal = 1;;
984 >    simError();
985 >    
986 >  }
987 >
988 > #ifdef IS_MPI
989 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
990 >  MPIcheckPoint();
991 > #endif // is_mpi
992 > }
993 >
994 >
995 > void SimSetup::makeOutNames(void){
996 >  int k;
997 >
998 >
999 >  for (k = 0; k < nInfo; k++){
1000 > #ifdef IS_MPI
1001 >    if (worldRank == 0){
1002 > #endif // is_mpi
1003 >
1004 >      if (globals->haveFinalConfig()){
1005 >        strcpy(info[k].finalName, globals->getFinalConfig());
1006 >      }
1007 >      else{
1008 >        strcpy(info[k].finalName, inFileName);
1009 >        char* endTest;
1010 >        int nameLength = strlen(info[k].finalName);
1011 >        endTest = &(info[k].finalName[nameLength - 5]);
1012 >        if (!strcmp(endTest, ".bass")){
1013 >          strcpy(endTest, ".eor");
1014 >        }
1015 >        else if (!strcmp(endTest, ".BASS")){
1016 >          strcpy(endTest, ".eor");
1017 >        }
1018 >        else{
1019 >          endTest = &(info[k].finalName[nameLength - 4]);
1020 >          if (!strcmp(endTest, ".bss")){
1021 >            strcpy(endTest, ".eor");
1022 >          }
1023 >          else if (!strcmp(endTest, ".mdl")){
1024 >            strcpy(endTest, ".eor");
1025 >          }
1026 >          else{
1027 >            strcat(info[k].finalName, ".eor");
1028 >          }
1029 >        }
1030 >      }
1031 >
1032 >      // make the sample and status out names
1033 >
1034 >      strcpy(info[k].sampleName, inFileName);
1035 >      char* endTest;
1036 >      int nameLength = strlen(info[k].sampleName);
1037 >      endTest = &(info[k].sampleName[nameLength - 5]);
1038 >      if (!strcmp(endTest, ".bass")){
1039 >        strcpy(endTest, ".dump");
1040 >      }
1041 >      else if (!strcmp(endTest, ".BASS")){
1042 >        strcpy(endTest, ".dump");
1043 >      }
1044 >      else{
1045 >        endTest = &(info[k].sampleName[nameLength - 4]);
1046 >        if (!strcmp(endTest, ".bss")){
1047 >          strcpy(endTest, ".dump");
1048 >        }
1049 >        else if (!strcmp(endTest, ".mdl")){
1050 >          strcpy(endTest, ".dump");
1051 >        }
1052 >        else{
1053 >          strcat(info[k].sampleName, ".dump");
1054 >        }
1055 >      }
1056 >
1057 >      strcpy(info[k].statusName, inFileName);
1058 >      nameLength = strlen(info[k].statusName);
1059 >      endTest = &(info[k].statusName[nameLength - 5]);
1060 >      if (!strcmp(endTest, ".bass")){
1061 >        strcpy(endTest, ".stat");
1062 >      }
1063 >      else if (!strcmp(endTest, ".BASS")){
1064 >        strcpy(endTest, ".stat");
1065 >      }
1066 >      else{
1067 >        endTest = &(info[k].statusName[nameLength - 4]);
1068 >        if (!strcmp(endTest, ".bss")){
1069 >          strcpy(endTest, ".stat");
1070 >        }
1071 >        else if (!strcmp(endTest, ".mdl")){
1072 >          strcpy(endTest, ".stat");
1073 >        }
1074 >        else{
1075 >          strcat(info[k].statusName, ".stat");
1076 >        }
1077 >      }
1078 >
1079 > #ifdef IS_MPI
1080 >
1081 >    }
1082 > #endif // is_mpi
1083 >  }
1084 > }
1085 >
1086 >
1087 > void SimSetup::sysObjectsCreation(void){
1088 >  int i, k;
1089 >
1090 >  // create the forceField
1091 >
1092 >  createFF();
1093 >
1094 >  // extract componentList
1095 >
1096 >  compList();
1097 >
1098 >  // calc the number of atoms, bond, bends, and torsions
1099 >
1100 >  calcSysValues();
1101 >
1102 > #ifdef IS_MPI
1103 >  // divide the molecules among the processors
1104 >
1105 >  mpiMolDivide();
1106 > #endif //is_mpi
1107 >
1108 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1109 >
1110 >  makeSysArrays();
1111 >
1112 >  // make and initialize the molecules (all but atomic coordinates)
1113 >
1114 >  makeMolecules();
1115 >
1116 >  for (k = 0; k < nInfo; k++){
1117 >    info[k].identArray = new int[info[k].n_atoms];
1118 >    for (i = 0; i < info[k].n_atoms; i++){
1119 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1120 >    }
1121 >  }
1122 > }
1123 >
1124 >
1125 > void SimSetup::createFF(void){
1126 >  switch (ffCase){
1127 >    case FF_DUFF:
1128 >      the_ff = new DUFF();
1129 >      break;
1130 >
1131 >    case FF_LJ:
1132 >      the_ff = new LJFF();
1133 >      break;
1134 >
1135 >    case FF_EAM:
1136 >      the_ff = new EAM_FF();
1137 >      break;
1138 >
1139 >    default:
1140 >      sprintf(painCave.errMsg,
1141 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1142 >      painCave.isFatal = 1;
1143 >      simError();
1144 >  }
1145 >
1146 > #ifdef IS_MPI
1147 >  strcpy(checkPointMsg, "ForceField creation successful");
1148 >  MPIcheckPoint();
1149 > #endif // is_mpi
1150 > }
1151 >
1152 >
1153 > void SimSetup::compList(void){
1154 >  int i;
1155 >  char* id;
1156 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1157 >  LinkedMolStamp* currentStamp = NULL;
1158 >  comp_stamps = new MoleculeStamp * [n_components];
1159 >
1160 >  // make an array of molecule stamps that match the components used.
1161 >  // also extract the used stamps out into a separate linked list
1162 >
1163 >  for (i = 0; i < nInfo; i++){
1164 >    info[i].nComponents = n_components;
1165 >    info[i].componentsNmol = components_nmol;
1166 >    info[i].compStamps = comp_stamps;
1167 >    info[i].headStamp = headStamp;
1168 >  }
1169 >
1170 >
1171 >  for (i = 0; i < n_components; i++){
1172 >    id = the_components[i]->getType();
1173 >    comp_stamps[i] = NULL;
1174 >
1175 >    // check to make sure the component isn't already in the list
1176 >
1177 >    comp_stamps[i] = headStamp->match(id);
1178 >    if (comp_stamps[i] == NULL){
1179 >      // extract the component from the list;
1180 >
1181 >      currentStamp = stamps->extractMolStamp(id);
1182 >      if (currentStamp == NULL){
1183 >        sprintf(painCave.errMsg,
1184 >                "SimSetup error: Component \"%s\" was not found in the "
1185 >                "list of declared molecules\n",
1186 >                id);
1187 >        painCave.isFatal = 1;
1188 >        simError();
1189 >      }
1190 >
1191 >      headStamp->add(currentStamp);
1192 >      comp_stamps[i] = headStamp->match(id);
1193 >    }
1194 >  }
1195 >
1196 > #ifdef IS_MPI
1197 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1198 >  MPIcheckPoint();
1199 > #endif // is_mpi
1200 > }
1201 >
1202 > void SimSetup::calcSysValues(void){
1203 >  int i;
1204 >
1205 >  int* molMembershipArray;
1206 >
1207 >  tot_atoms = 0;
1208 >  tot_bonds = 0;
1209 >  tot_bends = 0;
1210 >  tot_torsions = 0;
1211 >  for (i = 0; i < n_components; i++){
1212 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1213 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1214 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1215 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1216 >  }
1217 >
1218 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1219 >  molMembershipArray = new int[tot_atoms];
1220 >
1221 >  for (i = 0; i < nInfo; i++){
1222 >    info[i].n_atoms = tot_atoms;
1223 >    info[i].n_bonds = tot_bonds;
1224 >    info[i].n_bends = tot_bends;
1225 >    info[i].n_torsions = tot_torsions;
1226 >    info[i].n_SRI = tot_SRI;
1227 >    info[i].n_mol = tot_nmol;
1228 >
1229 >    info[i].molMembershipArray = molMembershipArray;
1230 >  }
1231 > }
1232 >
1233 > #ifdef IS_MPI
1234 >
1235 > void SimSetup::mpiMolDivide(void){
1236 >  int i, j, k;
1237 >  int localMol, allMol;
1238 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1239 >
1240 >  mpiSim = new mpiSimulation(info);
1241 >
1242 >  globalIndex = mpiSim->divideLabor();
1243 >
1244 >  // set up the local variables
1245 >
1246 >  mol2proc = mpiSim->getMolToProcMap();
1247 >  molCompType = mpiSim->getMolComponentType();
1248 >
1249 >  allMol = 0;
1250 >  localMol = 0;
1251 >  local_atoms = 0;
1252 >  local_bonds = 0;
1253 >  local_bends = 0;
1254 >  local_torsions = 0;
1255 >  globalAtomIndex = 0;
1256 >
1257 >
1258 >  for (i = 0; i < n_components; i++){
1259 >    for (j = 0; j < components_nmol[i]; j++){
1260 >      if (mol2proc[allMol] == worldRank){
1261 >        local_atoms += comp_stamps[i]->getNAtoms();
1262 >        local_bonds += comp_stamps[i]->getNBonds();
1263 >        local_bends += comp_stamps[i]->getNBends();
1264 >        local_torsions += comp_stamps[i]->getNTorsions();
1265 >        localMol++;
1266 >      }      
1267 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1268 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1269 >        globalAtomIndex++;
1270 >      }
1271 >
1272 >      allMol++;
1273 >    }
1274 >  }
1275 >  local_SRI = local_bonds + local_bends + local_torsions;
1276 >
1277 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1278 >
1279 >  if (local_atoms != info[0].n_atoms){
1280 >    sprintf(painCave.errMsg,
1281 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1282 >            "\tlocalAtom (%d) are not equal.\n",
1283 >            info[0].n_atoms, local_atoms);
1284 >    painCave.isFatal = 1;
1285 >    simError();
1286 >  }
1287 >
1288 >  info[0].n_bonds = local_bonds;
1289 >  info[0].n_bends = local_bends;
1290 >  info[0].n_torsions = local_torsions;
1291 >  info[0].n_SRI = local_SRI;
1292 >  info[0].n_mol = localMol;
1293 >
1294 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1295 >  MPIcheckPoint();
1296 > }
1297 >
1298 > #endif // is_mpi
1299 >
1300 >
1301 > void SimSetup::makeSysArrays(void){
1302 >
1303 > #ifndef IS_MPI
1304 >  int k, j;
1305 > #endif // is_mpi
1306 >  int i, l;
1307 >
1308 >  Atom** the_atoms;
1309 >  Molecule* the_molecules;
1310 >  Exclude** the_excludes;
1311 >
1312 >
1313 >  for (l = 0; l < nInfo; l++){
1314 >    // create the atom and short range interaction arrays
1315 >
1316 >    the_atoms = new Atom * [info[l].n_atoms];
1317 >    the_molecules = new Molecule[info[l].n_mol];
1318 >    int molIndex;
1319 >
1320 >    // initialize the molecule's stampID's
1321 >
1322 > #ifdef IS_MPI
1323 >
1324 >
1325 >    molIndex = 0;
1326 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1327 >      if (mol2proc[i] == worldRank){
1328 >        the_molecules[molIndex].setStampID(molCompType[i]);
1329 >        the_molecules[molIndex].setMyIndex(molIndex);
1330 >        the_molecules[molIndex].setGlobalIndex(i);
1331 >        molIndex++;
1332 >      }
1333 >    }
1334 >
1335 > #else // is_mpi
1336 >
1337 >    molIndex = 0;
1338 >    globalAtomIndex = 0;
1339 >    for (i = 0; i < n_components; i++){
1340 >      for (j = 0; j < components_nmol[i]; j++){
1341 >        the_molecules[molIndex].setStampID(i);
1342 >        the_molecules[molIndex].setMyIndex(molIndex);
1343 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1344 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1345 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1346 >          globalAtomIndex++;
1347 >        }
1348 >        molIndex++;
1349 >      }
1350 >    }
1351 >
1352 >
1353 > #endif // is_mpi
1354 >
1355 >
1356 >    if (info[l].n_SRI){
1357 >      Exclude::createArray(info[l].n_SRI);
1358 >      the_excludes = new Exclude * [info[l].n_SRI];
1359 >      for (int ex = 0; ex < info[l].n_SRI; ex++){
1360 >        the_excludes[ex] = new Exclude(ex);
1361 >      }
1362 >      info[l].globalExcludes = new int;
1363 >      info[l].n_exclude = info[l].n_SRI;
1364 >    }
1365 >    else{
1366 >      Exclude::createArray(1);
1367 >      the_excludes = new Exclude * ;
1368 >      the_excludes[0] = new Exclude(0);
1369 >      the_excludes[0]->setPair(0, 0);
1370 >      info[l].globalExcludes = new int;
1371 >      info[l].globalExcludes[0] = 0;
1372 >      info[l].n_exclude = 0;
1373 >    }
1374 >
1375 >    // set the arrays into the SimInfo object
1376 >
1377 >    info[l].atoms = the_atoms;
1378 >    info[l].molecules = the_molecules;
1379 >    info[l].nGlobalExcludes = 0;
1380 >    info[l].excludes = the_excludes;
1381 >
1382 >    the_ff->setSimInfo(info);
1383    }
1384   }
1385 +
1386 + void SimSetup::makeIntegrator(void){
1387 +  int k;
1388 +
1389 +  NVE<RealIntegrator>* myNVE = NULL;
1390 +  NVT<RealIntegrator>* myNVT = NULL;
1391 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1392 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1393 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1394 +  
1395 +  for (k = 0; k < nInfo; k++){
1396 +    switch (ensembleCase){
1397 +      case NVE_ENS:
1398 +        if (globals->haveZconstraints()){
1399 +          setupZConstraint(info[k]);
1400 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1401 +        }
1402 +        else{
1403 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1404 +        }
1405 +        
1406 +        info->the_integrator = myNVE;
1407 +        break;
1408 +
1409 +      case NVT_ENS:
1410 +        if (globals->haveZconstraints()){
1411 +          setupZConstraint(info[k]);
1412 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1413 +        }
1414 +        else
1415 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1416 +
1417 +        myNVT->setTargetTemp(globals->getTargetTemp());
1418 +
1419 +        if (globals->haveTauThermostat())
1420 +          myNVT->setTauThermostat(globals->getTauThermostat());
1421 +        else{
1422 +          sprintf(painCave.errMsg,
1423 +                  "SimSetup error: If you use the NVT\n"
1424 +                  "\tensemble, you must set tauThermostat.\n");
1425 +          painCave.isFatal = 1;
1426 +          simError();
1427 +        }
1428 +
1429 +        info->the_integrator = myNVT;
1430 +        break;
1431 +
1432 +      case NPTi_ENS:
1433 +        if (globals->haveZconstraints()){
1434 +          setupZConstraint(info[k]);
1435 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1436 +        }
1437 +        else
1438 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1439 +
1440 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1441 +
1442 +        if (globals->haveTargetPressure())
1443 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1444 +        else{
1445 +          sprintf(painCave.errMsg,
1446 +                  "SimSetup error: If you use a constant pressure\n"
1447 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1448 +          painCave.isFatal = 1;
1449 +          simError();
1450 +        }
1451 +
1452 +        if (globals->haveTauThermostat())
1453 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1454 +        else{
1455 +          sprintf(painCave.errMsg,
1456 +                  "SimSetup error: If you use an NPT\n"
1457 +                  "\tensemble, you must set tauThermostat.\n");
1458 +          painCave.isFatal = 1;
1459 +          simError();
1460 +        }
1461 +
1462 +        if (globals->haveTauBarostat())
1463 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1464 +        else{
1465 +          sprintf(painCave.errMsg,
1466 +                  "SimSetup error: If you use an NPT\n"
1467 +                  "\tensemble, you must set tauBarostat.\n");
1468 +          painCave.isFatal = 1;
1469 +          simError();
1470 +        }
1471 +
1472 +        info->the_integrator = myNPTi;
1473 +        break;
1474 +
1475 +      case NPTf_ENS:
1476 +        if (globals->haveZconstraints()){
1477 +          setupZConstraint(info[k]);
1478 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1479 +        }
1480 +        else
1481 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1482 +
1483 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1484 +
1485 +        if (globals->haveTargetPressure())
1486 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1487 +        else{
1488 +          sprintf(painCave.errMsg,
1489 +                  "SimSetup error: If you use a constant pressure\n"
1490 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1491 +          painCave.isFatal = 1;
1492 +          simError();
1493 +        }    
1494 +
1495 +        if (globals->haveTauThermostat())
1496 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1497 +
1498 +        else{
1499 +          sprintf(painCave.errMsg,
1500 +                  "SimSetup error: If you use an NPT\n"
1501 +                  "\tensemble, you must set tauThermostat.\n");
1502 +          painCave.isFatal = 1;
1503 +          simError();
1504 +        }
1505 +
1506 +        if (globals->haveTauBarostat())
1507 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1508 +
1509 +        else{
1510 +          sprintf(painCave.errMsg,
1511 +                  "SimSetup error: If you use an NPT\n"
1512 +                  "\tensemble, you must set tauBarostat.\n");
1513 +          painCave.isFatal = 1;
1514 +          simError();
1515 +        }
1516 +
1517 +        info->the_integrator = myNPTf;
1518 +        break;
1519 +
1520 +      case NPTxyz_ENS:
1521 +        if (globals->haveZconstraints()){
1522 +          setupZConstraint(info[k]);
1523 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1524 +        }
1525 +        else
1526 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1527 +
1528 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1529 +
1530 +        if (globals->haveTargetPressure())
1531 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1532 +        else{
1533 +          sprintf(painCave.errMsg,
1534 +                  "SimSetup error: If you use a constant pressure\n"
1535 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1536 +          painCave.isFatal = 1;
1537 +          simError();
1538 +        }    
1539 +
1540 +        if (globals->haveTauThermostat())
1541 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1542 +        else{
1543 +          sprintf(painCave.errMsg,
1544 +                  "SimSetup error: If you use an NPT\n"
1545 +                  "\tensemble, you must set tauThermostat.\n");
1546 +          painCave.isFatal = 1;
1547 +          simError();
1548 +        }
1549 +
1550 +        if (globals->haveTauBarostat())
1551 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1552 +        else{
1553 +          sprintf(painCave.errMsg,
1554 +                  "SimSetup error: If you use an NPT\n"
1555 +                  "\tensemble, you must set tauBarostat.\n");
1556 +          painCave.isFatal = 1;
1557 +          simError();
1558 +        }
1559 +
1560 +        info->the_integrator = myNPTxyz;
1561 +        break;
1562 +
1563 +      default:
1564 +        sprintf(painCave.errMsg,
1565 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1566 +        painCave.isFatal = 1;
1567 +        simError();
1568 +    }
1569 +  }
1570 + }
1571 +
1572 + void SimSetup::initFortran(void){
1573 +  info[0].refreshSim();
1574 +
1575 +  if (!strcmp(info[0].mixingRule, "standard")){
1576 +    the_ff->initForceField(LB_MIXING_RULE);
1577 +  }
1578 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1579 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1580 +  }
1581 +  else{
1582 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1583 +            info[0].mixingRule);
1584 +    painCave.isFatal = 1;
1585 +    simError();
1586 +  }
1587 +
1588 +
1589 + #ifdef IS_MPI
1590 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1591 +  MPIcheckPoint();
1592 + #endif // is_mpi
1593 + }
1594 +
1595 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1596 +  int nZConstraints;
1597 +  ZconStamp** zconStamp;
1598 +
1599 +  if (globals->haveZconstraintTime()){
1600 +    //add sample time of z-constraint  into SimInfo's property list                    
1601 +    DoubleData* zconsTimeProp = new DoubleData();
1602 +    zconsTimeProp->setID(ZCONSTIME_ID);
1603 +    zconsTimeProp->setData(globals->getZconsTime());
1604 +    theInfo.addProperty(zconsTimeProp);
1605 +  }
1606 +  else{
1607 +    sprintf(painCave.errMsg,
1608 +            "ZConstraint error: If you use a ZConstraint,\n"
1609 +            "\tyou must set zconsTime.\n");
1610 +    painCave.isFatal = 1;
1611 +    simError();
1612 +  }
1613 +
1614 +  //push zconsTol into siminfo, if user does not specify
1615 +  //value for zconsTol, a default value will be used
1616 +  DoubleData* zconsTol = new DoubleData();
1617 +  zconsTol->setID(ZCONSTOL_ID);
1618 +  if (globals->haveZconsTol()){
1619 +    zconsTol->setData(globals->getZconsTol());
1620 +  }
1621 +  else{
1622 +    double defaultZConsTol = 0.01;
1623 +    sprintf(painCave.errMsg,
1624 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1625 +            "\tOOPSE will use a default value of %f.\n"
1626 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1627 +            defaultZConsTol);
1628 +    painCave.isFatal = 0;
1629 +    simError();      
1630 +
1631 +    zconsTol->setData(defaultZConsTol);
1632 +  }
1633 +  theInfo.addProperty(zconsTol);
1634 +
1635 +  //set Force Subtraction Policy
1636 +  StringData* zconsForcePolicy = new StringData();
1637 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1638 +
1639 +  if (globals->haveZconsForcePolicy()){
1640 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1641 +  }
1642 +  else{
1643 +    sprintf(painCave.errMsg,
1644 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1645 +            "\tOOPSE will use PolicyByMass.\n"
1646 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1647 +    painCave.isFatal = 0;
1648 +    simError();
1649 +    zconsForcePolicy->setData("BYMASS");
1650 +  }
1651 +
1652 +  theInfo.addProperty(zconsForcePolicy);
1653 +
1654 +  //Determine the name of ouput file and add it into SimInfo's property list
1655 +  //Be careful, do not use inFileName, since it is a pointer which
1656 +  //point to a string at master node, and slave nodes do not contain that string
1657 +
1658 +  string zconsOutput(theInfo.finalName);
1659 +
1660 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1661 +
1662 +  StringData* zconsFilename = new StringData();
1663 +  zconsFilename->setID(ZCONSFILENAME_ID);
1664 +  zconsFilename->setData(zconsOutput);
1665 +
1666 +  theInfo.addProperty(zconsFilename);
1667 +
1668 +  //setup index, pos and other parameters of z-constraint molecules
1669 +  nZConstraints = globals->getNzConstraints();
1670 +  theInfo.nZconstraints = nZConstraints;
1671 +
1672 +  zconStamp = globals->getZconStamp();
1673 +  ZConsParaItem tempParaItem;
1674 +
1675 +  ZConsParaData* zconsParaData = new ZConsParaData();
1676 +  zconsParaData->setID(ZCONSPARADATA_ID);
1677 +
1678 +  for (int i = 0; i < nZConstraints; i++){
1679 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1680 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1681 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1682 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1683 +
1684 +    zconsParaData->addItem(tempParaItem);
1685 +  }
1686 +
1687 +  //check the uniqueness of index  
1688 +  if(!zconsParaData->isIndexUnique()){
1689 +    sprintf(painCave.errMsg,
1690 +            "ZConstraint Error: molIndex is not unique!\n");
1691 +    painCave.isFatal = 1;
1692 +    simError();
1693 +  }
1694 +
1695 +  //sort the parameters by index of molecules
1696 +  zconsParaData->sortByIndex();
1697 +  
1698 +  //push data into siminfo, therefore, we can retrieve later
1699 +  theInfo.addProperty(zconsParaData);
1700 + }

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