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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 1174 by gezelter, Wed May 12 20:54:10 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
12 + #include "RigidBody.hpp"
13 + //#include "ConjugateMinimizer.hpp"
14 + #include "OOPSEMinimizer.hpp"
15  
16   #ifdef IS_MPI
17   #include "mpiBASS.h"
# Line 14 | Line 20
20  
21   // some defines for ensemble and Forcefield  cases
22  
23 < #define NVE_ENS  0
24 < #define NVT_ENS  1
25 < #define NPTi_ENS 2
26 < #define NPTf_ENS 3
23 > #define NVE_ENS        0
24 > #define NVT_ENS        1
25 > #define NPTi_ENS       2
26 > #define NPTf_ENS       3
27 > #define NPTxyz_ENS     4
28  
29  
30 < #define FF_DUFF 0
31 < #define FF_LJ   1
30 > #define FF_DUFF  0
31 > #define FF_LJ    1
32 > #define FF_EAM   2
33 > #define FF_H2O   3
34  
35 + using namespace std;
36  
37 + /**
38 + * Check whether dividend is divisble by divisor or not
39 + */
40 + bool isDivisible(double dividend, double divisor){
41 +  double tolerance = 0.000001;
42 +  double quotient;
43 +  double diff;
44 +  int intQuotient;
45 +  
46 +  quotient = dividend / divisor;
47 +
48 +  if (quotient < 0)
49 +    quotient = -quotient;
50 +
51 +  intQuotient = int (quotient + tolerance);
52 +
53 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
54 +
55 +  if (diff <= tolerance)
56 +    return true;
57 +  else
58 +    return false;  
59 + }
60 +
61   SimSetup::SimSetup(){
62 +  
63 +  initSuspend = false;
64 +  isInfoArray = 0;
65 +  nInfo = 1;
66 +
67    stamps = new MakeStamps();
68    globals = new Globals();
69 <  
69 >
70 >
71   #ifdef IS_MPI
72 <  strcpy( checkPointMsg, "SimSetup creation successful" );
72 >  strcpy(checkPointMsg, "SimSetup creation successful");
73    MPIcheckPoint();
74   #endif // IS_MPI
75   }
# Line 39 | Line 79 | SimSetup::~SimSetup(){
79    delete globals;
80   }
81  
82 < void SimSetup::parseFile( char* fileName ){
82 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
83 >  info = the_info;
84 >  nInfo = theNinfo;
85 >  isInfoArray = 1;
86 >  initSuspend = true;
87 > }
88  
89 +
90 + void SimSetup::parseFile(char* fileName){
91   #ifdef IS_MPI
92 <  if( worldRank == 0 ){
92 >  if (worldRank == 0){
93   #endif // is_mpi
94 <    
94 >
95      inFileName = fileName;
96 <    set_interface_stamps( stamps, globals );
97 <    
96 >    set_interface_stamps(stamps, globals);
97 >
98   #ifdef IS_MPI
99      mpiEventInit();
100   #endif
101  
102 <    yacc_BASS( fileName );
102 >    yacc_BASS(fileName);
103  
104   #ifdef IS_MPI
105      throwMPIEvent(NULL);
106    }
107 <  else receiveParse();
107 >  else{
108 >    receiveParse();
109 >  }
110   #endif
111  
112   }
113  
114   #ifdef IS_MPI
115   void SimSetup::receiveParse(void){
116 <
117 <    set_interface_stamps( stamps, globals );
118 <    mpiEventInit();
119 <    MPIcheckPoint();
71 <    mpiEventLoop();
72 <
116 >  set_interface_stamps(stamps, globals);
117 >  mpiEventInit();
118 >  MPIcheckPoint();
119 >  mpiEventLoop();
120   }
121  
122   #endif // is_mpi
123  
124 < void SimSetup::createSim( void ){
124 > void SimSetup::createSim(void){
125  
126 <  MakeStamps *the_stamps;
80 <  Globals* the_globals;
81 <  int i, j, k, globalAtomIndex;
82 <  
83 <  int ensembleCase;
84 <  int ffCase;
85 <  
86 <  ensembleCase = -1;
87 <  ffCase = -1;
126 >  // gather all of the information from the Bass file
127  
128 <  // get the stamps and globals;
90 <  the_stamps = stamps;
91 <  the_globals = globals;
128 >  gatherInfo();
129  
130 <  // 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();
130 >  // creation of complex system objects
131  
132 <  // 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() );
132 >  sysObjectsCreation();
133  
134 <  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 <  }
134 >  // check on the post processing info
135  
136 <  // get the ensemble:
113 <  strcpy( ensemble, the_globals->getEnsemble() );
136 >  finalInfoCheck();
137  
138 <  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
139 <  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
140 <  else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
141 <    ensembleCase = NPTi_ENS;
142 <  else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
143 <  else{
144 <    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;
138 >  // initialize the system coordinates
139 >
140 >  if ( !initSuspend ){
141 >    initSystemCoords();
142 >
143 >    if( !(globals->getUseInitTime()) )
144 >      info[0].currentTime = 0.0;
145    }  
130  strcpy( simnfo->ensemble, ensemble );
146  
147 +  // make the output filenames
148  
149 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
150 < //     the_extendedsystem = new ExtendedSystem( simnfo );
151 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
152 < //     if (the_globals->haveTargetPressure())
153 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
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 < //     }
149 >  makeOutNames();
150 >  
151 > #ifdef IS_MPI
152 >  mpiSim->mpiRefresh();
153 > #endif
154  
155 < //     if (the_globals->haveTauThermostat())
148 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
149 < //     else if (the_globals->haveQmass())
150 < //       the_extendedsystem->setQmass(the_globals->getQmass());
151 < //     else {
152 < //       sprintf( painCave.errMsg,
153 < //                "SimSetup error: If you use one of the constant temperature\n"
154 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
155 < //                "    Neither of these was found in the BASS file.\n");
156 < //       painCave.isFatal = 1;
157 < //       simError();
158 < //     }
155 >  // initialize the Fortran
156  
157 < //     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 < //     }
157 >  initFortran();
158  
159 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
160 < //     the_extendedsystem = new ExtendedSystem( simnfo );
161 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
159 >  if (globals->haveMinimizer())
160 >    // make minimizer
161 >    makeMinimizer();
162 >  else
163 >    // make the integrator
164 >    makeIntegrator();
165  
166 < //     if (the_globals->haveTauThermostat())
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  
188  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
189  simnfo->usePBC = the_globals->getPBC();
190          
191  int usesDipoles = 0;
192  switch( ffCase ){
168  
169 <  case FF_DUFF:
170 <    the_ff = new DUFF();
171 <    usesDipoles = 1;
172 <    break;
169 > void SimSetup::makeMolecules(void){
170 >  int i, j, k;
171 >  int exI, exJ, exK, exL, slI, slJ;
172 >  int tempI, tempJ, tempK, tempL;
173 >  int molI;
174 >  int stampID, atomOffset, rbOffset;
175 >  molInit molInfo;
176 >  DirectionalAtom* dAtom;
177 >  RigidBody* myRB;
178 >  StuntDouble* mySD;
179 >  LinkedAssign* extras;
180 >  LinkedAssign* current_extra;
181 >  AtomStamp* currentAtom;
182 >  BondStamp* currentBond;
183 >  BendStamp* currentBend;
184 >  TorsionStamp* currentTorsion;
185 >  RigidBodyStamp* currentRigidBody;
186 >  CutoffGroupStamp* currentCutoffGroup;
187 >  CutoffGroup* myCutoffGroup;
188 >  int nCutoffGroups;// number of cutoff group of a molecule defined in mdl file
189 >  set<int> cutoffAtomSet; //atoms belong to  cutoffgroup defined at mdl file
190  
191 <  case FF_LJ:
192 <    the_ff = new LJFF();
193 <    break;
191 >  bond_pair* theBonds;
192 >  bend_set* theBends;
193 >  torsion_set* theTorsions;
194  
195 <  default:
204 <    sprintf( painCave.errMsg,
205 <             "SimSetup Error. Unrecognized force field in case statement.\n");
206 <    painCave.isFatal = 1;
207 <    simError();
208 <  }
195 >  set<int> skipList;
196  
197 < #ifdef IS_MPI
198 <  strcpy( checkPointMsg, "ForceField creation successful" );
199 <  MPIcheckPoint();
213 < #endif // is_mpi
197 >  double phi, theta, psi;
198 >  char* molName;
199 >  char rbName[100];
200  
201 <  // 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];
201 >  //init the forceField paramters
202  
203 <  if( !the_globals->haveNMol() ){
221 <    // we don't have the total number of molecules, so we assume it is
222 <    // given in each component
203 >  the_ff->readParams();
204  
205 <    tot_nmol = 0;
225 <    for( i=0; i<n_components; i++ ){
205 >  // init the atoms
206  
207 <      if( !the_components[i]->haveNMol() ){
208 <        // we have a problem
209 <        sprintf( painCave.errMsg,
210 <                 "SimSetup Error. No global NMol or component NMol"
211 <                 " given. Cannot calculate the number of atoms.\n" );
212 <        painCave.isFatal = 1;
213 <        simError();
214 <      }
207 >  int nMembers, nNew, rb1, rb2;
208 >
209 >  for (k = 0; k < nInfo; k++){
210 >    the_ff->setSimInfo(&(info[k]));
211 >
212 >    atomOffset = 0;
213 >
214 >    for (i = 0; i < info[k].n_mol; i++){
215 >      stampID = info[k].molecules[i].getStampID();
216 >      molName = comp_stamps[stampID]->getID();
217  
218 <      tot_nmol += the_components[i]->getNMol();
219 <      components_nmol[i] = the_components[i]->getNMol();
220 <    }
221 <  }
222 <  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 <  }
218 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
219 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
220 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
221 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
222 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
223  
224 < #ifdef IS_MPI
225 <  strcpy( checkPointMsg, "Have the number of components" );
226 <  MPIcheckPoint();
268 < #endif // is_mpi
224 >      nCutoffGroups = comp_stamps[stampID]->getNCutoffGroups();
225 >      
226 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
227  
228 <  // make an array of molecule stamps that match the components used.
229 <  // also extract the used stamps out into a separate linked list
228 >      if (molInfo.nBonds > 0)
229 >        molInfo.myBonds = new Bond*[molInfo.nBonds];
230 >      else
231 >        molInfo.myBonds = NULL;
232  
233 <  simnfo->nComponents = n_components;
234 <  simnfo->componentsNmol = components_nmol;
235 <  simnfo->compStamps = comp_stamps;
236 <  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++ ){
233 >      if (molInfo.nBends > 0)
234 >        molInfo.myBends = new Bend*[molInfo.nBends];
235 >      else
236 >        molInfo.myBends = NULL;
237  
238 <    id = the_components[i]->getType();
239 <    comp_stamps[i] = NULL;
240 <    
241 <    // check to make sure the component isn't already in the list
238 >      if (molInfo.nTorsions > 0)
239 >        molInfo.myTorsions = new Torsion *[molInfo.nTorsions];
240 >      else
241 >        molInfo.myTorsions = NULL;
242  
243 <    comp_stamps[i] = headStamp->match( id );
244 <    if( comp_stamps[i] == NULL ){
243 >      theBonds = new bond_pair[molInfo.nBonds];
244 >      theBends = new bend_set[molInfo.nBends];
245 >      theTorsions = new torsion_set[molInfo.nTorsions];
246        
247 <      // 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 <  }
247 >      // make the Atoms
248  
249 < #ifdef IS_MPI
250 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
310 <  MPIcheckPoint();
311 < #endif // is_mpi
312 <  
249 >      for (j = 0; j < molInfo.nAtoms; j++){
250 >        currentAtom = comp_stamps[stampID]->getAtom(j);
251  
252 +        if (currentAtom->haveOrientation()){
253 +          dAtom = new DirectionalAtom((j + atomOffset),
254 +                                      info[k].getConfiguration());
255 +          info[k].n_oriented++;
256 +          molInfo.myAtoms[j] = dAtom;
257  
258 +          // Directional Atoms have standard unit vectors which are oriented
259 +          // in space using the three Euler angles.  We assume the standard
260 +          // unit vector was originally along the z axis below.
261  
262 <  // caclulate the number of atoms, bonds, bends and torsions
262 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
263 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
264 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
265  
266 <  tot_atoms = 0;
267 <  tot_bonds = 0;
268 <  tot_bends = 0;
269 <  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 <  }
266 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
267 >            
268 >        }
269 >        else{
270  
271 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
271 >          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
272  
273 <  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];
273 >        }
274  
275 +        molInfo.myAtoms[j]->setType(currentAtom->getType());
276   #ifdef IS_MPI
277  
278 <  // divide the molecules among processors here.
344 <  
345 <  mpiSim = new mpiSimulation( simnfo );
346 <  
347 <  globalIndex = mpiSim->divideLabor();
278 >        molInfo.myAtoms[j]->setGlobalIndex(globalAtomIndex[j + atomOffset]);
279  
280 <  // set up the local variables
281 <  
351 <  int localMol, allMol;
352 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
280 > #endif // is_mpi
281 >      }
282  
283 <  int* mol2proc = mpiSim->getMolToProcMap();
284 <  int* molCompType = mpiSim->getMolComponentType();
285 <  
286 <  allMol = 0;
287 <  localMol = 0;
359 <  local_atoms = 0;
360 <  local_bonds = 0;
361 <  local_bends = 0;
362 <  local_torsions = 0;
363 <  globalAtomIndex = 0;
283 >      // make the bonds
284 >      for (j = 0; j < molInfo.nBonds; j++){
285 >        currentBond = comp_stamps[stampID]->getBond(j);
286 >        theBonds[j].a = currentBond->getA() + atomOffset;
287 >        theBonds[j].b = currentBond->getB() + atomOffset;
288  
289 +        tempI = theBonds[j].a;
290 +        tempJ = theBonds[j].b;
291  
292 <  for( i=0; i<n_components; i++ ){
292 > #ifdef IS_MPI
293 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
294 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
295 > #else
296 >        exI = tempI + 1;
297 >        exJ = tempJ + 1;
298 > #endif
299  
300 <    for( j=0; j<components_nmol[i]; j++ ){
369 <      
370 <      if( mol2proc[allMol] == worldRank ){
371 <        
372 <        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++;
300 >        info[k].excludes->addPair(exI, exJ);
301        }
302  
303 <      allMol++;      
304 <    }
305 <  }
306 <  local_SRI = local_bonds + local_bends + local_torsions;
307 <  
308 <  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 <  }
303 >      //make the bends
304 >      for (j = 0; j < molInfo.nBends; j++){
305 >        currentBend = comp_stamps[stampID]->getBend(j);
306 >        theBends[j].a = currentBend->getA() + atomOffset;
307 >        theBends[j].b = currentBend->getB() + atomOffset;
308 >        theBends[j].c = currentBend->getC() + atomOffset;
309  
310 <  simnfo->n_bonds = local_bonds;
311 <  simnfo->n_bends = local_bends;
312 <  simnfo->n_torsions = local_torsions;
403 <  simnfo->n_SRI = local_SRI;
404 <  simnfo->n_mol = localMol;
310 >        if (currentBend->haveExtras()){
311 >          extras = currentBend->getExtras();
312 >          current_extra = extras;
313  
314 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
315 <  MPIcheckPoint();
316 <  
317 <  
318 < #endif // is_mpi
319 <  
314 >          while (current_extra != NULL){
315 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
316 >              switch (current_extra->getType()){
317 >                case 0:
318 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
319 >                  theBends[j].isGhost = 1;
320 >                  break;
321  
322 <  // create the atom and short range interaction arrays
322 >                case 1:
323 >                  theBends[j].ghost = (int) current_extra->getDouble() +
324 >                                      atomOffset;
325 >                  theBends[j].isGhost = 1;
326 >                  break;
327  
328 <  Atom::createArrays(simnfo->n_atoms);
329 <  the_atoms = new Atom*[simnfo->n_atoms];
330 <  the_molecules = new Molecule[simnfo->n_mol];
331 <  int molIndex;
332 <
333 <  // initialize the molecule's stampID's
328 >                default:
329 >                  sprintf(painCave.errMsg,
330 >                          "SimSetup Error: ghostVectorSource was neither a "
331 >                          "double nor an int.\n"
332 >                          "-->Bend[%d] in %s\n",
333 >                          j, comp_stamps[stampID]->getID());
334 >                  painCave.isFatal = 1;
335 >                  simError();
336 >              }
337 >            }
338 >            else{
339 >              sprintf(painCave.errMsg,
340 >                      "SimSetup Error: unhandled bend assignment:\n"
341 >                      "    -->%s in Bend[%d] in %s\n",
342 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
343 >              painCave.isFatal = 1;
344 >              simError();
345 >            }
346  
347 +            current_extra = current_extra->getNext();
348 +          }
349 +        }
350 +
351 +        if (theBends[j].isGhost) {
352 +          
353 +          tempI = theBends[j].a;
354 +          tempJ = theBends[j].b;
355 +          
356   #ifdef IS_MPI
357 <  
357 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
358 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
359 > #else
360 >          exI = tempI + 1;
361 >          exJ = tempJ + 1;
362 > #endif          
363 >          info[k].excludes->addPair(exI, exJ);
364  
365 <  molIndex = 0;
426 <  for(i=0; i<mpiSim->getTotNmol(); i++){
427 <    
428 <    if(mol2proc[i] == worldRank ){
429 <      the_molecules[molIndex].setStampID( molCompType[i] );
430 <      the_molecules[molIndex].setMyIndex( molIndex );
431 <      the_molecules[molIndex].setGlobalIndex( i );
432 <      molIndex++;
433 <    }
434 <  }
365 >        } else {
366  
367 < #else // is_mpi
368 <  
369 <  molIndex = 0;
370 <  globalAtomIndex = 0;
371 <  for(i=0; i<n_components; i++){
372 <    for(j=0; j<components_nmol[i]; j++ ){
373 <      the_molecules[molIndex].setStampID( i );
374 <      the_molecules[molIndex].setMyIndex( molIndex );
375 <      the_molecules[molIndex].setGlobalIndex( molIndex );
376 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
377 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
378 <        globalAtomIndex++;
367 >          tempI = theBends[j].a;
368 >          tempJ = theBends[j].b;
369 >          tempK = theBends[j].c;
370 >          
371 > #ifdef IS_MPI
372 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
373 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
374 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
375 > #else
376 >          exI = tempI + 1;
377 >          exJ = tempJ + 1;
378 >          exK = tempK + 1;
379 > #endif
380 >          
381 >          info[k].excludes->addPair(exI, exK);
382 >          info[k].excludes->addPair(exI, exJ);
383 >          info[k].excludes->addPair(exJ, exK);
384 >        }
385        }
449      molIndex++;
450    }
451  }
452    
386  
387 < #endif // is_mpi
387 >      for (j = 0; j < molInfo.nTorsions; j++){
388 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
389 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
390 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
391 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
392 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
393  
394 +        tempI = theTorsions[j].a;      
395 +        tempJ = theTorsions[j].b;
396 +        tempK = theTorsions[j].c;
397 +        tempL = theTorsions[j].d;
398  
399 <  if( simnfo->n_SRI ){
400 <    
401 <    Exclude::createArray(simnfo->n_SRI);
402 <    the_excludes = new Exclude*[simnfo->n_SRI];
403 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
404 <    simnfo->globalExcludes = new int;
405 <    simnfo->n_exclude = simnfo->n_SRI;
406 <  }
407 <  else{
408 <    
409 <    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 <  }
399 > #ifdef IS_MPI
400 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
401 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
402 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
403 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
404 > #else
405 >        exI = tempI + 1;
406 >        exJ = tempJ + 1;
407 >        exK = tempK + 1;
408 >        exL = tempL + 1;
409 > #endif
410  
411 <  // set the arrays into the SimInfo object
411 >        info[k].excludes->addPair(exI, exJ);
412 >        info[k].excludes->addPair(exI, exK);
413 >        info[k].excludes->addPair(exI, exL);        
414 >        info[k].excludes->addPair(exJ, exK);
415 >        info[k].excludes->addPair(exJ, exL);
416 >        info[k].excludes->addPair(exK, exL);
417 >      }
418  
419 <  simnfo->atoms = the_atoms;
420 <  simnfo->molecules = the_molecules;
421 <  simnfo->nGlobalExcludes = 0;
422 <  simnfo->excludes = the_excludes;
419 >      
420 >      molInfo.myRigidBodies.clear();
421 >      
422 >      for (j = 0; j < molInfo.nRigidBodies; j++){
423  
424 +        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
425 +        nMembers = currentRigidBody->getNMembers();
426  
427 <  // get some of the tricky things that may still be in the globals
427 >        // Create the Rigid Body:
428  
429 <  double boxVector[3];
487 <  if( the_globals->haveBox() ){
488 <    boxVector[0] = the_globals->getBox();
489 <    boxVector[1] = the_globals->getBox();
490 <    boxVector[2] = the_globals->getBox();
491 <    
492 <    simnfo->setBox( boxVector );
493 <  }
494 <  else if( the_globals->haveDensity() ){
429 >        myRB = new RigidBody();
430  
431 <    double vol;
432 <    vol = (double)tot_nmol / the_globals->getDensity();
433 <     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
434 <     boxVector[1] = boxVector[0];
500 <     boxVector[2] = boxVector[0];
431 >        sprintf(rbName,"%s_RB_%d", molName, j);
432 >        myRB->setType(rbName);
433 >        
434 >        for (rb1 = 0; rb1 < nMembers; rb1++) {
435  
436 <    simnfo->setBox( boxVector );
437 <  }
504 <  else{
505 <    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();
436 >          // molI is atom numbering inside this molecule
437 >          molI = currentRigidBody->getMember(rb1);    
438  
439 <    if( !the_globals->haveBoxY() ){
440 <      sprintf( painCave.errMsg,
515 <               "SimSetup error, no periodic BoxY size given.\n" );
516 <      painCave.isFatal = 1;
517 <      simError();
518 <    }
519 <    boxVector[1] = the_globals->getBoxY();
439 >          // tempI is atom numbering on local processor
440 >          tempI = molI + atomOffset;
441  
442 <    if( !the_globals->haveBoxZ() ){
443 <      sprintf( painCave.errMsg,
444 <               "SimSetup error, no periodic BoxZ size given.\n" );
524 <      painCave.isFatal = 1;
525 <      simError();
526 <    }
527 <    boxVector[2] = the_globals->getBoxZ();
442 >          // currentAtom is the AtomStamp (which we need for
443 >          // rigid body reference positions)
444 >          currentAtom = comp_stamps[stampID]->getAtom(molI);
445  
446 <    simnfo->setBox( boxVector );
447 <  }
446 >          // When we add to the rigid body, add the atom itself and
447 >          // the stamp info:
448  
449 +          myRB->addAtom(info[k].atoms[tempI], currentAtom);
450 +          
451 +          // Add this atom to the Skip List for the integrators
452   #ifdef IS_MPI
453 <  strcpy( checkPointMsg, "Box size set up" );
454 <  MPIcheckPoint();
455 < #endif // is_mpi
453 >          slI = info[k].atoms[tempI]->getGlobalIndex();
454 > #else
455 >          slI = tempI;
456 > #endif
457 >          skipList.insert(slI);
458 >          
459 >        }
460 >        
461 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
462 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
463 >            
464 >            tempI = currentRigidBody->getMember(rb1);
465 >            tempJ = currentRigidBody->getMember(rb2);
466 >            
467 >            // Some explanation is required here.
468 >            // Fortran indexing starts at 1, while c indexing starts at 0
469 >            // Also, in parallel computations, the GlobalIndex is
470 >            // used for the exclude list:
471 >            
472 > #ifdef IS_MPI
473 >            exI = molInfo.myAtoms[tempI]->getGlobalIndex() + 1;
474 >            exJ = molInfo.myAtoms[tempJ]->getGlobalIndex() + 1;
475 > #else
476 >            exI = molInfo.myAtoms[tempI]->getIndex() + 1;
477 >            exJ = molInfo.myAtoms[tempJ]->getIndex() + 1;
478 > #endif
479 >            
480 >            info[k].excludes->addPair(exI, exJ);
481 >            
482 >          }
483 >        }
484  
485 +        molInfo.myRigidBodies.push_back(myRB);
486 +        info[k].rigidBodies.push_back(myRB);
487 +      }
488 +      
489  
490 <  // initialize the arrays
490 >      //create cutoff group for molecule
491  
492 <  the_ff->setSimInfo( simnfo );
492 >      cutoffAtomSet.clear();
493 >      molInfo.myCutoffGroups.clear();
494 >      
495 >      for (j = 0; j < nCutoffGroups; j++){
496  
497 <  makeMolecules();
498 <  simnfo->identArray = new int[simnfo->n_atoms];
544 <  for(i=0; i<simnfo->n_atoms; i++){
545 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
546 <  }
547 <  
548 <  if (the_globals->getUseRF() ) {
549 <    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 <    }
497 >        currentCutoffGroup = comp_stamps[stampID]->getCutoffGroup(j);
498 >        nMembers = currentCutoffGroup->getNMembers();
499  
500 <    if( !the_globals->haveEST() ){
501 <      sprintf( painCave.errMsg,
502 <               "SimSetup Warning: using default value of 0.05 * the "
503 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
504 <               );
505 <      painCave.isFatal = 0;
506 <      simError();
507 <      simnfo->est = 0.05 * simnfo->ecr;
508 <    } else {
509 <      simnfo->est        = the_globals->getEST();
510 <    }
511 <    
512 <    if(!the_globals->haveDielectric() ){
513 <      sprintf( painCave.errMsg,
514 <               "SimSetup Error: You are trying to use Reaction Field without"
515 <               "setting a dielectric constant!\n"
516 <               );
517 <      painCave.isFatal = 1;
518 <      simError();
519 <    }
520 <    simnfo->dielectric = the_globals->getDielectric();  
521 <  } else {
522 <    if (usesDipoles) {
523 <      
524 <      if( !the_globals->haveECR() ){
525 <        sprintf( painCave.errMsg,
526 <                 "SimSetup Warning: using default value of 1/2 the smallest "
527 <                 "box length for the electrostaticCutoffRadius.\n"
595 <                 "I hope you have a very fast processor!\n");
596 <        painCave.isFatal = 0;
597 <        simError();
598 <        double smallest;
599 <        smallest = simnfo->boxLx;
600 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
601 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
602 <        simnfo->ecr = 0.5 * smallest;
603 <      } else {
604 <        simnfo->ecr        = the_globals->getECR();
500 >        myCutoffGroup = new CutoffGroup();
501 >        
502 >        for (int cg = 0; cg < nMembers; cg++) {
503 >
504 >          // molI is atom numbering inside this molecule
505 >          molI = currentCutoffGroup->getMember(cg);    
506 >
507 >          // tempI is atom numbering on local processor
508 >          tempI = molI + atomOffset;
509 >          
510 >          myCutoffGroup->addAtom(info[k].atoms[tempI]);          
511 >
512 >          cutoffAtomSet.insert(tempI);
513 >        }
514 >
515 >        molInfo.myCutoffGroups.push_back(myCutoffGroup);
516 >      }//end for (j = 0; j < molInfo.nCutoffGroups; j++)
517 >
518 >      //creat a cutoff group for every atom  in current molecule which does not belong to cutoffgroup defined at mdl file
519 >
520 >      for(j = 0; j < molInfo.nAtoms; j++){
521 >
522 >        if(cutoffAtomSet.find(molInfo.myAtoms[j]->getIndex()) == cutoffAtomSet.end()){
523 >          myCutoffGroup = new CutoffGroup();
524 >          myCutoffGroup->addAtom(molInfo.myAtoms[j]);
525 >          molInfo.myCutoffGroups.push_back(myCutoffGroup);
526 >        }
527 >          
528        }
529 +
530 +              
531 +
532 +
533 +      // After this is all set up, scan through the atoms to
534 +      // see if they can be added to the integrableObjects:
535 +
536 +      molInfo.myIntegrableObjects.clear();
537        
607      if( !the_globals->haveEST() ){
608        sprintf( painCave.errMsg,
609                 "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      }
619    }
620  }  
538  
539 < #ifdef IS_MPI
623 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
624 <  MPIcheckPoint();
625 < #endif // is_mpi
539 >      for (j = 0; j < molInfo.nAtoms; j++){
540  
627 if( the_globals->haveInitialConfig() ){
628
629     InitializeFromFile* fileInit;
630 #ifdef IS_MPI // is_mpi
631     if( worldRank == 0 ){
632 #endif //is_mpi
633   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
541   #ifdef IS_MPI
542 <     }else fileInit = new InitializeFromFile( NULL );
542 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
543 > #else
544 >        slJ = j+atomOffset;
545   #endif
637   fileInit->read_xyz( simnfo ); // default velocities on
546  
547 <   delete fileInit;
640 < }
641 < else{
547 >        // if they aren't on the skip list, then they can be integrated
548  
549 < #ifdef IS_MPI
549 >        if (skipList.find(slJ) == skipList.end()) {
550 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
551 >          info[k].integrableObjects.push_back(mySD);
552 >          molInfo.myIntegrableObjects.push_back(mySD);
553 >        }
554 >      }
555  
556 <  // no init from bass
646 <  
647 <  sprintf( painCave.errMsg,
648 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
649 <  painCave.isFatal;
650 <  simError();
651 <  
652 < #else
556 >      // all rigid bodies are integrated:
557  
558 <  initFromBass();
558 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
559 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
560 >        info[k].integrableObjects.push_back(mySD);      
561 >        molInfo.myIntegrableObjects.push_back(mySD);
562 >      }
563 >    
564 >      
565 >      // send the arrays off to the forceField for init.
566 >      
567 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
568 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
569 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
570 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
571 >                                 theTorsions);
572  
573 +      info[k].molecules[i].initialize(molInfo);
574  
657 #endif
658 }
575  
576 +      atomOffset += molInfo.nAtoms;
577 +      delete[] theBonds;
578 +      delete[] theBends;
579 +      delete[] theTorsions;
580 +    }    
581 +  }
582 +
583   #ifdef IS_MPI
584 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
584 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
585    MPIcheckPoint();
586   #endif // is_mpi
587  
588 + }
589  
590 <  
591 <
592 <  
590 > void SimSetup::initFromBass(void){
591 >  int i, j, k;
592 >  int n_cells;
593 >  double cellx, celly, cellz;
594 >  double temp1, temp2, temp3;
595 >  int n_per_extra;
596 >  int n_extra;
597 >  int have_extra, done;
598  
599 <  
600 < #ifdef IS_MPI
601 <  if( worldRank == 0 ){
602 < #endif // is_mpi
603 <    
604 <    if( the_globals->haveFinalConfig() ){
605 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
599 >  double vel[3];
600 >  vel[0] = 0.0;
601 >  vel[1] = 0.0;
602 >  vel[2] = 0.0;
603 >
604 >  temp1 = (double) tot_nmol / 4.0;
605 >  temp2 = pow(temp1, (1.0 / 3.0));
606 >  temp3 = ceil(temp2);
607 >
608 >  have_extra = 0;
609 >  if (temp2 < temp3){
610 >    // we have a non-complete lattice
611 >    have_extra = 1;
612 >
613 >    n_cells = (int) temp3 - 1;
614 >    cellx = info[0].boxL[0] / temp3;
615 >    celly = info[0].boxL[1] / temp3;
616 >    cellz = info[0].boxL[2] / temp3;
617 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
618 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
619 >    n_per_extra = (int) ceil(temp1);
620 >
621 >    if (n_per_extra > 4){
622 >      sprintf(painCave.errMsg,
623 >              "SimSetup error. There has been an error in constructing"
624 >              " the non-complete lattice.\n");
625 >      painCave.isFatal = 1;
626 >      simError();
627      }
678    else{
679      strcpy( simnfo->finalName, inFileName );
680      char* endTest;
681      int nameLength = strlen( simnfo->finalName );
682      endTest = &(simnfo->finalName[nameLength - 5]);
683      if( !strcmp( endTest, ".bass" ) ){
684        strcpy( endTest, ".eor" );
685      }
686      else if( !strcmp( endTest, ".BASS" ) ){
687        strcpy( endTest, ".eor" );
688      }
689      else{
690        endTest = &(simnfo->finalName[nameLength - 4]);
691        if( !strcmp( endTest, ".bss" ) ){
692          strcpy( endTest, ".eor" );
693        }
694        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
628    }
752 #endif // is_mpi
753  
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;
760  }
629    else{
630 <    simnfo->sampleTime = the_globals->getRunTime();
631 <    simnfo->statusTime = simnfo->sampleTime;
632 <    simnfo->thermalTime = simnfo->sampleTime;
630 >    n_cells = (int) temp3;
631 >    cellx = info[0].boxL[0] / temp3;
632 >    celly = info[0].boxL[1] / temp3;
633 >    cellz = info[0].boxL[2] / temp3;
634    }
635  
636 <  if( the_globals->haveStatusTime() ){
637 <    simnfo->statusTime = the_globals->getStatusTime();
638 <  }
636 >  current_mol = 0;
637 >  current_comp_mol = 0;
638 >  current_comp = 0;
639 >  current_atom_ndx = 0;
640  
641 <  if( the_globals->haveThermalTime() ){
642 <    simnfo->thermalTime = the_globals->getThermalTime();
643 <  }
641 >  for (i = 0; i < n_cells ; i++){
642 >    for (j = 0; j < n_cells; j++){
643 >      for (k = 0; k < n_cells; k++){
644 >        makeElement(i * cellx, j * celly, k * cellz);
645  
646 <  // check for the temperature set flag
646 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
647  
648 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
648 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
649  
650 +        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
651 +      }
652 +    }
653 +  }
654  
655 <  // make the integrator
656 <  
782 <  
783 <  NVT*  myNVT = NULL;
784 <  NPTi* myNPTi = NULL;
785 <  NPTf* myNPTf = NULL;
786 <  switch( ensembleCase ){
655 >  if (have_extra){
656 >    done = 0;
657  
658 <  case NVE_ENS:
659 <    new NVE( simnfo, the_ff );
660 <    break;
658 >    int start_ndx;
659 >    for (i = 0; i < (n_cells + 1) && !done; i++){
660 >      for (j = 0; j < (n_cells + 1) && !done; j++){
661 >        if (i < n_cells){
662 >          if (j < n_cells){
663 >            start_ndx = n_cells;
664 >          }
665 >          else
666 >            start_ndx = 0;
667 >        }
668 >        else
669 >          start_ndx = 0;
670  
671 <  case NVT_ENS:
672 <    myNVT = new NVT( simnfo, the_ff );
673 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
671 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
672 >          makeElement(i * cellx, j * celly, k * cellz);
673 >          done = (current_mol >= tot_nmol);
674  
675 <    if (the_globals->haveTauThermostat())
676 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
675 >          if (!done && n_per_extra > 1){
676 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
677 >                        k * cellz);
678 >            done = (current_mol >= tot_nmol);
679 >          }
680  
681 <    else {
682 <      sprintf( painCave.errMsg,
683 <               "SimSetup error: If you use the NVT\n"
684 <               "    ensemble, you must set tauThermostat.\n");
685 <      painCave.isFatal = 1;
686 <      simError();
681 >          if (!done && n_per_extra > 2){
682 >            makeElement(i * cellx, j * celly + 0.5 * celly,
683 >                        k * cellz + 0.5 * cellz);
684 >            done = (current_mol >= tot_nmol);
685 >          }
686 >
687 >          if (!done && n_per_extra > 3){
688 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
689 >                        k * cellz + 0.5 * cellz);
690 >            done = (current_mol >= tot_nmol);
691 >          }
692 >        }
693 >      }
694      }
695 <    break;
695 >  }
696  
697 <  case NPTi_ENS:
698 <    myNPTi = new NPTi( simnfo, the_ff );
699 <    myNPTi->setTargetTemp( the_globals->getTargetTemp());
697 >  for (i = 0; i < info[0].n_atoms; i++){
698 >    info[0].atoms[i]->setVel(vel);
699 >  }
700 > }
701  
702 <    if (the_globals->haveTargetPressure())
703 <      myNPTi->setTargetPressure(the_globals->getTargetPressure());
704 <    else {
705 <      sprintf( painCave.errMsg,
706 <               "SimSetup error: If you use a constant pressure\n"
707 <               "    ensemble, you must set targetPressure in the BASS file.\n");
818 <      painCave.isFatal = 1;
819 <      simError();
820 <    }
821 <    
822 <    if( the_globals->haveTauThermostat() )
823 <      myNPTi->setTauThermostat( the_globals->getTauThermostat() );
824 <    else{
825 <      sprintf( painCave.errMsg,
826 <               "SimSetup error: If you use an NPT\n"
827 <               "    ensemble, you must set tauThermostat.\n");
828 <      painCave.isFatal = 1;
829 <      simError();
830 <    }
702 > void SimSetup::makeElement(double x, double y, double z){
703 >  int k;
704 >  AtomStamp* current_atom;
705 >  DirectionalAtom* dAtom;
706 >  double rotMat[3][3];
707 >  double pos[3];
708  
709 <    if( the_globals->haveTauBarostat() )
710 <      myNPTi->setTauBarostat( the_globals->getTauBarostat() );
711 <    else{
712 <      sprintf( painCave.errMsg,
713 <               "SimSetup error: If you use an NPT\n"
714 <               "    ensemble, you must set tauBarostat.\n");
709 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
710 >    current_atom = comp_stamps[current_comp]->getAtom(k);
711 >    if (!current_atom->havePosition()){
712 >      sprintf(painCave.errMsg,
713 >              "SimSetup:initFromBass error.\n"
714 >              "\tComponent %s, atom %s does not have a position specified.\n"
715 >              "\tThe initialization routine is unable to give a start"
716 >              " position.\n",
717 >              comp_stamps[current_comp]->getID(), current_atom->getType());
718        painCave.isFatal = 1;
719        simError();
720      }
841    break;
721  
722 <  case NPTf_ENS:
723 <    myNPTf = new NPTf( simnfo, the_ff );
724 <    myNPTf->setTargetTemp( the_globals->getTargetTemp());
722 >    pos[0] = x + current_atom->getPosX();
723 >    pos[1] = y + current_atom->getPosY();
724 >    pos[2] = z + current_atom->getPosZ();
725  
726 <    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 <    }    
726 >    info[0].atoms[current_atom_ndx]->setPos(pos);
727  
728 <    if( the_globals->haveTauThermostat() )
729 <      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();
865 <    }
728 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
729 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
730  
731 <    if( the_globals->haveTauBarostat() )
732 <      myNPTf->setTauBarostat( the_globals->getTauBarostat() );
733 <    else{
870 <      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();
875 <    }
876 <    break;
877 <    
878 <    
731 >      rotMat[0][0] = 1.0;
732 >      rotMat[0][1] = 0.0;
733 >      rotMat[0][2] = 0.0;
734  
735 <  default:
736 <    sprintf( painCave.errMsg,
737 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
883 <    painCave.isFatal = 1;
884 <    simError();
885 <  }
735 >      rotMat[1][0] = 0.0;
736 >      rotMat[1][1] = 1.0;
737 >      rotMat[1][2] = 0.0;
738  
739 +      rotMat[2][0] = 0.0;
740 +      rotMat[2][1] = 0.0;
741 +      rotMat[2][2] = 1.0;
742  
743 < #ifdef IS_MPI
744 <  mpiSim->mpiRefresh();
890 < #endif
891 <
892 <  // initialize the Fortran
743 >      dAtom->setA(rotMat);
744 >    }
745  
746 +    current_atom_ndx++;
747 +  }
748  
749 <  simnfo->refreshSim();
750 <  
751 <  if( !strcmp( simnfo->mixingRule, "standard") ){
752 <    the_ff->initForceField( LB_MIXING_RULE );
749 >  current_mol++;
750 >  current_comp_mol++;
751 >
752 >  if (current_comp_mol >= components_nmol[current_comp]){
753 >    current_comp_mol = 0;
754 >    current_comp++;
755    }
756 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
757 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
756 > }
757 >
758 >
759 > void SimSetup::gatherInfo(void){
760 >  int i;
761 >
762 >  ensembleCase = -1;
763 >  ffCase = -1;
764 >
765 >  // set the easy ones first
766 >
767 >  for (i = 0; i < nInfo; i++){
768 >    info[i].target_temp = globals->getTargetTemp();
769 >    info[i].dt = globals->getDt();
770 >    info[i].run_time = globals->getRunTime();
771    }
772 <  else{
904 <    sprintf( painCave.errMsg,
905 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
906 <             simnfo->mixingRule );
907 <    painCave.isFatal = 1;
908 <    simError();
909 <  }
772 >  n_components = globals->getNComponents();
773  
774  
775 < #ifdef IS_MPI
913 <  strcpy( checkPointMsg,
914 <          "Successfully intialized the mixingRule for Fortran." );
915 <  MPIcheckPoint();
916 < #endif // is_mpi
917 < }
775 >  // get the forceField
776  
777 +  strcpy(force_field, globals->getForceField());
778  
779 < void SimSetup::makeMolecules( void ){
779 >  if (!strcasecmp(force_field, "DUFF")){
780 >    ffCase = FF_DUFF;
781 >  }
782 >  else if (!strcasecmp(force_field, "LJ")){
783 >    ffCase = FF_LJ;
784 >  }
785 >  else if (!strcasecmp(force_field, "EAM")){
786 >    ffCase = FF_EAM;
787 >  }
788 >  else if (!strcasecmp(force_field, "WATER")){
789 >    ffCase = FF_H2O;
790 >  }
791 >  else{
792 >    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
793 >            force_field);
794 >         painCave.isFatal = 1;
795 >         simError();
796 >  }
797  
798 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
923 <  molInit info;
924 <  DirectionalAtom* dAtom;
925 <  LinkedAssign* extras;
926 <  LinkedAssign* current_extra;
927 <  AtomStamp* currentAtom;
928 <  BondStamp* currentBond;
929 <  BendStamp* currentBend;
930 <  TorsionStamp* currentTorsion;
798 >    // get the ensemble
799  
800 <  bond_pair* theBonds;
933 <  bend_set* theBends;
934 <  torsion_set* theTorsions;
800 >  strcpy(ensemble, globals->getEnsemble());
801  
802 <  
803 <  //init the forceField paramters
802 >  if (!strcasecmp(ensemble, "NVE")){
803 >    ensembleCase = NVE_ENS;
804 >  }
805 >  else if (!strcasecmp(ensemble, "NVT")){
806 >    ensembleCase = NVT_ENS;
807 >  }
808 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
809 >    ensembleCase = NPTi_ENS;
810 >  }
811 >  else if (!strcasecmp(ensemble, "NPTf")){
812 >    ensembleCase = NPTf_ENS;
813 >  }
814 >  else if (!strcasecmp(ensemble, "NPTxyz")){
815 >    ensembleCase = NPTxyz_ENS;
816 >  }
817 >  else{
818 >    sprintf(painCave.errMsg,
819 >            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
820 >            "\treverting to NVE for this simulation.\n",
821 >            ensemble);
822 >         painCave.isFatal = 0;
823 >         simError();
824 >         strcpy(ensemble, "NVE");
825 >         ensembleCase = NVE_ENS;
826 >  }  
827  
828 <  the_ff->readParams();
828 >  for (i = 0; i < nInfo; i++){
829 >    strcpy(info[i].ensemble, ensemble);
830  
831 <  
942 <  // init the atoms
831 >    // get the mixing rule
832  
833 <  double ux, uy, uz, u, uSqr;
834 <  
835 <  atomOffset = 0;
947 <  excludeOffset = 0;
948 <  for(i=0; i<simnfo->n_mol; i++){
949 <    
950 <    stampID = the_molecules[i].getStampID();
833 >    strcpy(info[i].mixingRule, globals->getMixingRule());
834 >    info[i].usePBC = globals->getPBC();
835 >  }
836  
837 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
953 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
954 <    info.nBends    = comp_stamps[stampID]->getNBends();
955 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
956 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
837 >  // get the components and calculate the tot_nMol and indvidual n_mol
838  
839 <    info.myAtoms = &the_atoms[atomOffset];
840 <    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];
839 >  the_components = globals->getComponents();
840 >  components_nmol = new int[n_components];
841  
964    theBonds = new bond_pair[info.nBonds];
965    theBends = new bend_set[info.nBends];
966    theTorsions = new torsion_set[info.nTorsions];
967    
968    // make the Atoms
969    
970    for(j=0; j<info.nAtoms; j++){
971      
972      currentAtom = comp_stamps[stampID]->getAtom( j );
973      if( currentAtom->haveOrientation() ){
974        
975        dAtom = new DirectionalAtom(j + atomOffset);
976        simnfo->n_oriented++;
977        info.myAtoms[j] = dAtom;
978        
979        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 );
993      }
994      else{
995        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
996      }
997      info.myAtoms[j]->setType( currentAtom->getType() );
998    
999 #ifdef IS_MPI
1000      
1001      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
1002      
1003 #endif // is_mpi
1004    }
1005    
1006    // make the bonds
1007    for(j=0; j<info.nBonds; j++){
1008      
1009      currentBond = comp_stamps[stampID]->getBond( j );
1010      theBonds[j].a = currentBond->getA() + atomOffset;
1011      theBonds[j].b = currentBond->getB() + atomOffset;
842  
843 <      exI = theBonds[j].a;
844 <      exJ = theBonds[j].b;
843 >  if (!globals->haveNMol()){
844 >    // we don't have the total number of molecules, so we assume it is
845 >    // given in each component
846  
847 <      // exclude_I must always be the smaller of the pair
848 <      if( exI > exJ ){
849 <        tempEx = exI;
850 <        exI = exJ;
851 <        exJ = tempEx;
847 >    tot_nmol = 0;
848 >    for (i = 0; i < n_components; i++){
849 >      if (!the_components[i]->haveNMol()){
850 >        // we have a problem
851 >        sprintf(painCave.errMsg,
852 >                "SimSetup Error. No global NMol or component NMol given.\n"
853 >                "\tCannot calculate the number of atoms.\n");
854 >        painCave.isFatal = 1;
855 >        simError();
856        }
1022 #ifdef IS_MPI
1023      tempEx = exI;
1024      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
857  
858 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
859 < #endif  //is_mpi
858 >      tot_nmol += the_components[i]->getNMol();
859 >      components_nmol[i] = the_components[i]->getNMol();
860      }
861 <    excludeOffset += info.nBonds;
862 <
863 <    //make the bends
864 <    for(j=0; j<info.nBends; j++){
865 <      
866 <      currentBend = comp_stamps[stampID]->getBend( j );
867 <      theBends[j].a = currentBend->getA() + atomOffset;
868 <      theBends[j].b = currentBend->getB() + atomOffset;
869 <      theBends[j].c = currentBend->getC() + atomOffset;
870 <          
871 <      if( currentBend->haveExtras() ){
872 <            
873 <        extras = currentBend->getExtras();
874 <        current_extra = extras;
875 <            
876 <        while( current_extra != NULL ){
877 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
878 <                
879 <            switch( current_extra->getType() ){
880 <              
881 <            case 0:
882 <              theBends[j].ghost =
883 <                current_extra->getInt() + atomOffset;
884 <              theBends[j].isGhost = 1;
885 <              break;
886 <                  
887 <            case 1:
888 <              theBends[j].ghost =
889 <                (int)current_extra->getDouble() + atomOffset;
890 <              theBends[j].isGhost = 1;
891 <              break;
892 <              
893 <            default:
894 <              sprintf( painCave.errMsg,
895 <                       "SimSetup Error: ghostVectorSource was neither a "
896 <                       "double nor an int.\n"
897 <                       "-->Bend[%d] in %s\n",
898 <                       j, comp_stamps[stampID]->getID() );
899 <              painCave.isFatal = 1;
900 <              simError();
901 <            }
902 <          }
903 <          
904 <          else{
905 <            
906 <            sprintf( painCave.errMsg,
907 <                     "SimSetup Error: unhandled bend assignment:\n"
908 <                     "    -->%s in Bend[%d] in %s\n",
909 <                     current_extra->getlhs(),
910 <                     j, comp_stamps[stampID]->getID() );
911 <            painCave.isFatal = 1;
912 <            simError();
913 <          }
914 <          
915 <          current_extra = current_extra->getNext();
916 <        }
861 >  }
862 >  else{
863 >    sprintf(painCave.errMsg,
864 >            "SimSetup error.\n"
865 >            "\tSorry, the ability to specify total"
866 >            " nMols and then give molfractions in the components\n"
867 >            "\tis not currently supported."
868 >            " Please give nMol in the components.\n");
869 >    painCave.isFatal = 1;
870 >    simError();
871 >  }
872 >
873 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
874 >  if (globals->haveSampleTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
875 >    sprintf(painCave.errMsg,
876 >            "Sample time is not divisible by dt.\n"
877 >            "\tThis will result in samples that are not uniformly\n"
878 >            "\tdistributed in time.  If this is a problem, change\n"
879 >            "\tyour sampleTime variable.\n");
880 >    painCave.isFatal = 0;
881 >    simError();    
882 >  }
883 >
884 >  if (globals->haveStatusTime() && !isDivisible(globals->getStatusTime(), globals->getDt())){
885 >    sprintf(painCave.errMsg,
886 >            "Status time is not divisible by dt.\n"
887 >            "\tThis will result in status reports that are not uniformly\n"
888 >            "\tdistributed in time.  If this is a problem, change \n"
889 >            "\tyour statusTime variable.\n");
890 >    painCave.isFatal = 0;
891 >    simError();    
892 >  }
893 >
894 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
895 >    sprintf(painCave.errMsg,
896 >            "Thermal time is not divisible by dt.\n"
897 >            "\tThis will result in thermalizations that are not uniformly\n"
898 >            "\tdistributed in time.  If this is a problem, change \n"
899 >            "\tyour thermalTime variable.\n");
900 >    painCave.isFatal = 0;
901 >    simError();    
902 >  }  
903 >
904 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
905 >    sprintf(painCave.errMsg,
906 >            "Reset time is not divisible by dt.\n"
907 >            "\tThis will result in integrator resets that are not uniformly\n"
908 >            "\tdistributed in time.  If this is a problem, change\n"
909 >            "\tyour resetTime variable.\n");
910 >    painCave.isFatal = 0;
911 >    simError();    
912 >  }
913 >
914 >  // set the status, sample, and thermal kick times
915 >
916 >  for (i = 0; i < nInfo; i++){
917 >    if (globals->haveSampleTime()){
918 >      info[i].sampleTime = globals->getSampleTime();
919 >      info[i].statusTime = info[i].sampleTime;
920 >    }
921 >    else{
922 >      info[i].sampleTime = globals->getRunTime();
923 >      info[i].statusTime = info[i].sampleTime;
924 >    }
925 >
926 >    if (globals->haveStatusTime()){
927 >      info[i].statusTime = globals->getStatusTime();
928 >    }
929 >
930 >    if (globals->haveThermalTime()){
931 >      info[i].thermalTime = globals->getThermalTime();
932 >    } else {
933 >      info[i].thermalTime = globals->getRunTime();
934 >    }
935 >
936 >    info[i].resetIntegrator = 0;
937 >    if( globals->haveResetTime() ){
938 >      info[i].resetTime = globals->getResetTime();
939 >      info[i].resetIntegrator = 1;
940 >    }
941 >
942 >    // check for the temperature set flag
943 >    
944 >    if (globals->haveTempSet())
945 >      info[i].setTemp = globals->getTempSet();
946 >
947 >    // check for the extended State init
948 >
949 >    info[i].useInitXSstate = globals->getUseInitXSstate();
950 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
951 >    
952 >  }
953 >  
954 >  //setup seed for random number generator
955 >  int seedValue;
956 >
957 >  if (globals->haveSeed()){
958 >    seedValue = globals->getSeed();
959 >
960 >    if(seedValue / 1E9 == 0){
961 >      sprintf(painCave.errMsg,
962 >              "Seed for sprng library should contain at least 9 digits\n"
963 >              "OOPSE will generate a seed for user\n");
964 >      painCave.isFatal = 0;
965 >      simError();
966 >
967 >      //using seed generated by system instead of invalid seed set by user
968 > #ifndef IS_MPI
969 >      seedValue = make_sprng_seed();
970 > #else
971 >      if (worldRank == 0){
972 >        seedValue = make_sprng_seed();
973        }
974 <          
975 <      if( !theBends[j].isGhost ){
976 <            
977 <        exI = theBends[j].a;
978 <        exJ = theBends[j].c;
979 <      }
980 <      else{
981 <        
982 <        exI = theBends[j].a;
983 <        exJ = theBends[j].b;
984 <      }
985 <      
986 <      // exclude_I must always be the smaller of the pair
987 <      if( exI > exJ ){
988 <        tempEx = exI;
989 <        exI = exJ;
990 <        exJ = tempEx;
991 <      }
974 >      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
975 > #endif      
976 >    }
977 >  }//end of if branch of globals->haveSeed()
978 >  else{
979 >    
980 > #ifndef IS_MPI
981 >    seedValue = make_sprng_seed();
982 > #else
983 >    if (worldRank == 0){
984 >      seedValue = make_sprng_seed();
985 >    }
986 >    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
987 > #endif
988 >  }//end of globals->haveSeed()
989 >
990 >  for (int i = 0; i < nInfo; i++){
991 >    info[i].setSeed(seedValue);
992 >  }
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
995 >  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
996 >  MPIcheckPoint();
997 > #endif // is_mpi
998 > }
999 >
1000 >
1001 > void SimSetup::finalInfoCheck(void){
1002 >  int index;
1003 >  int usesDipoles;
1004 >  int usesCharges;
1005 >  int i;
1006 >
1007 >  for (i = 0; i < nInfo; i++){
1008 >    // check electrostatic parameters
1009 >
1010 >    index = 0;
1011 >    usesDipoles = 0;
1012 >    while ((index < info[i].n_atoms) && !usesDipoles){
1013 >      usesDipoles = (info[i].atoms[index])->hasDipole();
1014 >      index++;
1015      }
1016 <    excludeOffset += info.nBends;
1016 >    index = 0;
1017 >    usesCharges = 0;
1018 >    while ((index < info[i].n_atoms) && !usesCharges){
1019 >      usesCharges= (info[i].atoms[index])->hasCharge();
1020 >      index++;
1021 >    }
1022 > #ifdef IS_MPI
1023 >    int myUse = usesDipoles;
1024 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
1025 > #endif //is_mpi
1026  
1027 <    for(j=0; j<info.nTorsions; j++){
1027 >    double theRcut, theRsw;
1028 >
1029 >    if (globals->haveRcut()) {
1030 >      theRcut = globals->getRcut();
1031 >
1032 >      if (globals->haveRsw())
1033 >        theRsw = globals->getRsw();
1034 >      else
1035 >        theRsw = theRcut;
1036        
1037 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1038 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1039 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1127 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1128 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1037 >      info[i].setDefaultRcut(theRcut, theRsw);
1038 >
1039 >    } else {
1040        
1041 <      exI = theTorsions[j].a;
1042 <      exJ = theTorsions[j].d;
1041 >      the_ff->calcRcut();
1042 >      theRcut = info[i].getRcut();
1043  
1044 <      // exclude_I must always be the smaller of the pair
1045 <      if( exI > exJ ){
1046 <        tempEx = exI;
1047 <        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;
1044 >      if (globals->haveRsw())
1045 >        theRsw = globals->getRsw();
1046 >      else
1047 >        theRsw = theRcut;
1048        
1049 <      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
1049 >      info[i].setDefaultRcut(theRcut, theRsw);
1050      }
1150    excludeOffset += info.nTorsions;
1051  
1052 <    
1053 <    // send the arrays off to the forceField for init.
1052 >    if (globals->getUseRF()){
1053 >      info[i].useReactionField = 1;
1054 >      
1055 >      if (!globals->haveRcut()){
1056 >        sprintf(painCave.errMsg,
1057 >                "SimSetup Warning: No value was set for the cutoffRadius.\n"
1058 >                "\tOOPSE will use a default value of 15.0 angstroms"
1059 >                "\tfor the cutoffRadius.\n");
1060 >        painCave.isFatal = 0;
1061 >        simError();
1062 >        theRcut = 15.0;
1063 >      }
1064 >      else{
1065 >        theRcut = globals->getRcut();
1066 >      }
1067  
1068 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1069 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1070 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1071 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1068 >      if (!globals->haveRsw()){
1069 >        sprintf(painCave.errMsg,
1070 >                "SimSetup Warning: No value was set for switchingRadius.\n"
1071 >                "\tOOPSE will use a default value of\n"
1072 >                "\t0.95 * cutoffRadius for the switchingRadius\n");
1073 >        painCave.isFatal = 0;
1074 >        simError();
1075 >        theRsw = 0.95 * theRcut;
1076 >      }
1077 >      else{
1078 >        theRsw = globals->getRsw();
1079 >      }
1080  
1081 +      info[i].setDefaultRcut(theRcut, theRsw);
1082  
1083 <    the_molecules[i].initialize( info );
1083 >      if (!globals->haveDielectric()){
1084 >        sprintf(painCave.errMsg,
1085 >                "SimSetup Error: No Dielectric constant was set.\n"
1086 >                "\tYou are trying to use Reaction Field without"
1087 >                "\tsetting a dielectric constant!\n");
1088 >        painCave.isFatal = 1;
1089 >        simError();
1090 >      }
1091 >      info[i].dielectric = globals->getDielectric();
1092 >    }
1093 >    else{
1094 >      if (usesDipoles || usesCharges){
1095  
1096 <
1097 <    atomOffset += info.nAtoms;
1098 <    delete[] theBonds;
1099 <    delete[] theBends;
1100 <    delete[] theTorsions;
1096 >        if (!globals->haveRcut()){
1097 >          sprintf(painCave.errMsg,
1098 >                  "SimSetup Warning: No value was set for the cutoffRadius.\n"
1099 >                  "\tOOPSE will use a default value of 15.0 angstroms"
1100 >                  "\tfor the cutoffRadius.\n");
1101 >          painCave.isFatal = 0;
1102 >          simError();
1103 >          theRcut = 15.0;
1104 >      }
1105 >        else{
1106 >          theRcut = globals->getRcut();
1107 >        }
1108 >        
1109 >        if (!globals->haveRsw()){
1110 >          sprintf(painCave.errMsg,
1111 >                  "SimSetup Warning: No value was set for switchingRadius.\n"
1112 >                  "\tOOPSE will use a default value of\n"
1113 >                  "\t0.95 * cutoffRadius for the switchingRadius\n");
1114 >          painCave.isFatal = 0;
1115 >          simError();
1116 >          theRsw = 0.95 * theRcut;
1117 >        }
1118 >        else{
1119 >          theRsw = globals->getRsw();
1120 >        }
1121 >        
1122 >        info[i].setDefaultRcut(theRcut, theRsw);
1123 >        
1124 >      }
1125 >    }
1126    }
1169
1127   #ifdef IS_MPI
1128 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1128 >  strcpy(checkPointMsg, "post processing checks out");
1129    MPIcheckPoint();
1130   #endif // is_mpi
1131  
1132    // clean up the forcefield
1176  the_ff->calcRcut();
1133    the_ff->cleanMe();
1134 + }
1135 +  
1136 + void SimSetup::initSystemCoords(void){
1137 +  int i;
1138  
1139 +  char* inName;
1140 +
1141 +  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1142 +
1143 +  for (i = 0; i < info[0].n_atoms; i++)
1144 +    info[0].atoms[i]->setCoords();
1145 +
1146 +  if (globals->haveInitialConfig()){
1147 +    InitializeFromFile* fileInit;
1148 + #ifdef IS_MPI // is_mpi
1149 +    if (worldRank == 0){
1150 + #endif //is_mpi
1151 +      inName = globals->getInitialConfig();
1152 +      fileInit = new InitializeFromFile(inName);
1153 + #ifdef IS_MPI
1154 +    }
1155 +    else
1156 +      fileInit = new InitializeFromFile(NULL);
1157 + #endif
1158 +    fileInit->readInit(info); // default velocities on
1159 +
1160 +    delete fileInit;
1161 +  }
1162 +  else{
1163 +    
1164 +    // no init from bass
1165 +    
1166 +    sprintf(painCave.errMsg,
1167 +            "Cannot intialize a simulation without an initial configuration file.\n");
1168 +    painCave.isFatal = 1;;
1169 +    simError();
1170 +    
1171 +  }
1172 +
1173 + #ifdef IS_MPI
1174 +  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1175 +  MPIcheckPoint();
1176 + #endif // is_mpi
1177   }
1178  
1181 void SimSetup::initFromBass( void ){
1179  
1180 <  int i, j, k;
1181 <  int n_cells;
1185 <  double cellx, celly, cellz;
1186 <  double temp1, temp2, temp3;
1187 <  int n_per_extra;
1188 <  int n_extra;
1189 <  int have_extra, done;
1180 > void SimSetup::makeOutNames(void){
1181 >  int k;
1182  
1191  temp1 = (double)tot_nmol / 4.0;
1192  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1193  temp3 = ceil( temp2 );
1183  
1184 <  have_extra =0;
1185 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1186 <    have_extra =1;
1184 >  for (k = 0; k < nInfo; k++){
1185 > #ifdef IS_MPI
1186 >    if (worldRank == 0){
1187 > #endif // is_mpi
1188  
1189 <    n_cells = (int)temp3 - 1;
1190 <    cellx = simnfo->boxLx / temp3;
1191 <    celly = simnfo->boxLy / temp3;
1192 <    cellz = simnfo->boxLz / temp3;
1193 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1194 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1195 <    n_per_extra = (int)ceil( temp1 );
1189 >      if (globals->haveFinalConfig()){
1190 >        strcpy(info[k].finalName, globals->getFinalConfig());
1191 >      }
1192 >      else{
1193 >        strcpy(info[k].finalName, inFileName);
1194 >        char* endTest;
1195 >        int nameLength = strlen(info[k].finalName);
1196 >        endTest = &(info[k].finalName[nameLength - 5]);
1197 >        if (!strcmp(endTest, ".bass")){
1198 >          strcpy(endTest, ".eor");
1199 >        }
1200 >        else if (!strcmp(endTest, ".BASS")){
1201 >          strcpy(endTest, ".eor");
1202 >        }
1203 >        else{
1204 >          endTest = &(info[k].finalName[nameLength - 4]);
1205 >          if (!strcmp(endTest, ".bss")){
1206 >            strcpy(endTest, ".eor");
1207 >          }
1208 >          else if (!strcmp(endTest, ".mdl")){
1209 >            strcpy(endTest, ".eor");
1210 >          }
1211 >          else{
1212 >            strcat(info[k].finalName, ".eor");
1213 >          }
1214 >        }
1215 >      }
1216  
1217 <    if( n_per_extra > 4){
1218 <      sprintf( painCave.errMsg,
1219 <               "SimSetup error. There has been an error in constructing"
1220 <               " the non-complete lattice.\n" );
1221 <      painCave.isFatal = 1;
1222 <      simError();
1217 >      // make the sample and status out names
1218 >
1219 >      strcpy(info[k].sampleName, inFileName);
1220 >      char* endTest;
1221 >      int nameLength = strlen(info[k].sampleName);
1222 >      endTest = &(info[k].sampleName[nameLength - 5]);
1223 >      if (!strcmp(endTest, ".bass")){
1224 >        strcpy(endTest, ".dump");
1225 >      }
1226 >      else if (!strcmp(endTest, ".BASS")){
1227 >        strcpy(endTest, ".dump");
1228 >      }
1229 >      else{
1230 >        endTest = &(info[k].sampleName[nameLength - 4]);
1231 >        if (!strcmp(endTest, ".bss")){
1232 >          strcpy(endTest, ".dump");
1233 >        }
1234 >        else if (!strcmp(endTest, ".mdl")){
1235 >          strcpy(endTest, ".dump");
1236 >        }
1237 >        else{
1238 >          strcat(info[k].sampleName, ".dump");
1239 >        }
1240 >      }
1241 >
1242 >      strcpy(info[k].statusName, inFileName);
1243 >      nameLength = strlen(info[k].statusName);
1244 >      endTest = &(info[k].statusName[nameLength - 5]);
1245 >      if (!strcmp(endTest, ".bass")){
1246 >        strcpy(endTest, ".stat");
1247 >      }
1248 >      else if (!strcmp(endTest, ".BASS")){
1249 >        strcpy(endTest, ".stat");
1250 >      }
1251 >      else{
1252 >        endTest = &(info[k].statusName[nameLength - 4]);
1253 >        if (!strcmp(endTest, ".bss")){
1254 >          strcpy(endTest, ".stat");
1255 >        }
1256 >        else if (!strcmp(endTest, ".mdl")){
1257 >          strcpy(endTest, ".stat");
1258 >        }
1259 >        else{
1260 >          strcat(info[k].statusName, ".stat");
1261 >        }
1262 >      }
1263 >
1264 > #ifdef IS_MPI
1265 >
1266      }
1267 + #endif // is_mpi
1268    }
1269 <  else{
1216 <    n_cells = (int)temp3;
1217 <    cellx = simnfo->boxLx / temp3;
1218 <    celly = simnfo->boxLy / temp3;
1219 <    cellz = simnfo->boxLz / temp3;
1220 <  }
1269 > }
1270  
1222  current_mol = 0;
1223  current_comp_mol = 0;
1224  current_comp = 0;
1225  current_atom_ndx = 0;
1271  
1272 <  for( i=0; i < n_cells ; i++ ){
1273 <    for( j=0; j < n_cells; j++ ){
1229 <      for( k=0; k < n_cells; k++ ){
1272 > void SimSetup::sysObjectsCreation(void){
1273 >  int i, k;
1274  
1275 <        makeElement( i * cellx,
1232 <                     j * celly,
1233 <                     k * cellz );
1275 >  // create the forceField
1276  
1277 <        makeElement( i * cellx + 0.5 * cellx,
1236 <                     j * celly + 0.5 * celly,
1237 <                     k * cellz );
1277 >  createFF();
1278  
1279 <        makeElement( i * cellx,
1240 <                     j * celly + 0.5 * celly,
1241 <                     k * cellz + 0.5 * cellz );
1279 >  // extract componentList
1280  
1281 <        makeElement( i * cellx + 0.5 * cellx,
1282 <                     j * celly,
1283 <                     k * cellz + 0.5 * cellz );
1284 <      }
1281 >  compList();
1282 >
1283 >  // calc the number of atoms, bond, bends, and torsions
1284 >
1285 >  calcSysValues();
1286 >
1287 > #ifdef IS_MPI
1288 >  // divide the molecules among the processors
1289 >
1290 >  mpiMolDivide();
1291 > #endif //is_mpi
1292 >
1293 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1294 >
1295 >  makeSysArrays();
1296 >
1297 >  // make and initialize the molecules (all but atomic coordinates)
1298 >
1299 >  makeMolecules();
1300 >
1301 >  for (k = 0; k < nInfo; k++){
1302 >    info[k].identArray = new int[info[k].n_atoms];
1303 >    for (i = 0; i < info[k].n_atoms; i++){
1304 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1305      }
1306    }
1307 + }
1308  
1250  if( have_extra ){
1251    done = 0;
1309  
1310 <    int start_ndx;
1311 <    for( i=0; i < (n_cells+1) && !done; i++ ){
1312 <      for( j=0; j < (n_cells+1) && !done; j++ ){
1310 > void SimSetup::createFF(void){
1311 >  switch (ffCase){
1312 >    case FF_DUFF:
1313 >      the_ff = new DUFF();
1314 >      break;
1315  
1316 <        if( i < n_cells ){
1316 >    case FF_LJ:
1317 >      the_ff = new LJFF();
1318 >      break;
1319  
1320 <          if( j < n_cells ){
1321 <            start_ndx = n_cells;
1322 <          }
1262 <          else start_ndx = 0;
1263 <        }
1264 <        else start_ndx = 0;
1320 >    case FF_EAM:
1321 >      the_ff = new EAM_FF();
1322 >      break;
1323  
1324 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1324 >    case FF_H2O:
1325 >      the_ff = new WATER();
1326 >      break;
1327  
1328 <          makeElement( i * cellx,
1329 <                       j * celly,
1330 <                       k * cellz );
1331 <          done = ( current_mol >= tot_nmol );
1328 >    default:
1329 >      sprintf(painCave.errMsg,
1330 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1331 >      painCave.isFatal = 1;
1332 >      simError();
1333 >  }
1334  
1335 <          if( !done && n_per_extra > 1 ){
1336 <            makeElement( i * cellx + 0.5 * cellx,
1337 <                         j * celly + 0.5 * celly,
1338 <                         k * cellz );
1339 <            done = ( current_mol >= tot_nmol );
1278 <          }
1335 > #ifdef IS_MPI
1336 >  strcpy(checkPointMsg, "ForceField creation successful");
1337 >  MPIcheckPoint();
1338 > #endif // is_mpi
1339 > }
1340  
1280          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          }
1341  
1342 <          if( !done && n_per_extra > 3){
1343 <            makeElement( i * cellx + 0.5 * cellx,
1344 <                         j * celly,
1345 <                         k * cellz + 0.5 * cellz );
1346 <            done = ( current_mol >= tot_nmol );
1347 <          }
1348 <        }
1342 > void SimSetup::compList(void){
1343 >  int i;
1344 >  char* id;
1345 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1346 >  LinkedMolStamp* currentStamp = NULL;
1347 >  comp_stamps = new MoleculeStamp * [n_components];
1348 >  bool haveCutoffGroups;
1349 >
1350 >  haveCutoffGroups = false;
1351 >  
1352 >  // make an array of molecule stamps that match the components used.
1353 >  // also extract the used stamps out into a separate linked list
1354 >
1355 >  for (i = 0; i < nInfo; i++){
1356 >    info[i].nComponents = n_components;
1357 >    info[i].componentsNmol = components_nmol;
1358 >    info[i].compStamps = comp_stamps;
1359 >    info[i].headStamp = headStamp;
1360 >  }
1361 >
1362 >
1363 >  for (i = 0; i < n_components; i++){
1364 >    id = the_components[i]->getType();
1365 >    comp_stamps[i] = NULL;
1366 >
1367 >    // check to make sure the component isn't already in the list
1368 >
1369 >    comp_stamps[i] = headStamp->match(id);
1370 >    if (comp_stamps[i] == NULL){
1371 >      // extract the component from the list;
1372 >
1373 >      currentStamp = stamps->extractMolStamp(id);
1374 >      if (currentStamp == NULL){
1375 >        sprintf(painCave.errMsg,
1376 >                "SimSetup error: Component \"%s\" was not found in the "
1377 >                "list of declared molecules\n",
1378 >                id);
1379 >        painCave.isFatal = 1;
1380 >        simError();
1381        }
1382 +
1383 +      headStamp->add(currentStamp);
1384 +      comp_stamps[i] = headStamp->match(id);
1385      }
1386 +
1387 +    if(comp_stamps[i]->getNCutoffGroups() > 0)
1388 +      haveCutoffGroups = true;    
1389    }
1390 +    
1391 +  for (i = 0; i < nInfo; i++)
1392 +    info[i].haveCutoffGroups = haveCutoffGroups;
1393  
1394 + #ifdef IS_MPI
1395 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1396 +  MPIcheckPoint();
1397 + #endif // is_mpi
1398 + }
1399  
1400 <  for( i=0; i<simnfo->n_atoms; i++ ){
1401 <    simnfo->atoms[i]->set_vx( 0.0 );
1402 <    simnfo->atoms[i]->set_vy( 0.0 );
1403 <    simnfo->atoms[i]->set_vz( 0.0 );
1400 > void SimSetup::calcSysValues(void){
1401 >  int i;
1402 >
1403 >  int* molMembershipArray;
1404 >
1405 >  tot_atoms = 0;
1406 >  tot_bonds = 0;
1407 >  tot_bends = 0;
1408 >  tot_torsions = 0;
1409 >  tot_rigid = 0;
1410 >  for (i = 0; i < n_components; i++){
1411 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1412 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1413 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1414 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1415 >    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1416    }
1417 +  
1418 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1419 +  molMembershipArray = new int[tot_atoms];
1420 +
1421 +  for (i = 0; i < nInfo; i++){
1422 +    info[i].n_atoms = tot_atoms;
1423 +    info[i].n_bonds = tot_bonds;
1424 +    info[i].n_bends = tot_bends;
1425 +    info[i].n_torsions = tot_torsions;
1426 +    info[i].n_SRI = tot_SRI;
1427 +    info[i].n_mol = tot_nmol;
1428 +
1429 +    info[i].molMembershipArray = molMembershipArray;
1430 +  }
1431   }
1432  
1433 < void SimSetup::makeElement( double x, double y, double z ){
1433 > #ifdef IS_MPI
1434  
1435 <  int k;
1436 <  AtomStamp* current_atom;
1437 <  DirectionalAtom* dAtom;
1438 <  double rotMat[3][3];
1435 > void SimSetup::mpiMolDivide(void){
1436 >  int i, j, k;
1437 >  int localMol, allMol;
1438 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1439 >  int local_rigid;
1440 >  vector<int> globalMolIndex;
1441  
1442 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1442 >  mpiSim = new mpiSimulation(info);
1443  
1444 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1445 <    if( !current_atom->havePosition() ){
1446 <      sprintf( painCave.errMsg,
1447 <               "SimSetup:initFromBass error.\n"
1448 <               "\tComponent %s, atom %s does not have a position specified.\n"
1449 <               "\tThe initialization routine is unable to give a start"
1450 <               " position.\n",
1451 <               comp_stamps[current_comp]->getID(),
1452 <               current_atom->getType() );
1453 <      painCave.isFatal = 1;
1454 <      simError();
1444 >  mpiSim->divideLabor();
1445 >  globalAtomIndex = mpiSim->getGlobalAtomIndex();
1446 >  //globalMolIndex = mpiSim->getGlobalMolIndex();
1447 >
1448 >  // set up the local variables
1449 >
1450 >  mol2proc = mpiSim->getMolToProcMap();
1451 >  molCompType = mpiSim->getMolComponentType();
1452 >
1453 >  allMol = 0;
1454 >  localMol = 0;
1455 >  local_atoms = 0;
1456 >  local_bonds = 0;
1457 >  local_bends = 0;
1458 >  local_torsions = 0;
1459 >  local_rigid = 0;
1460 >  globalAtomCounter = 0;
1461 >
1462 >  for (i = 0; i < n_components; i++){
1463 >    for (j = 0; j < components_nmol[i]; j++){
1464 >      if (mol2proc[allMol] == worldRank){
1465 >        local_atoms += comp_stamps[i]->getNAtoms();
1466 >        local_bonds += comp_stamps[i]->getNBonds();
1467 >        local_bends += comp_stamps[i]->getNBends();
1468 >        local_torsions += comp_stamps[i]->getNTorsions();
1469 >        local_rigid += comp_stamps[i]->getNRigidBodies();
1470 >        localMol++;
1471 >      }      
1472 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1473 >        info[0].molMembershipArray[globalAtomCounter] = allMol;
1474 >        globalAtomCounter++;
1475 >      }
1476 >
1477 >      allMol++;
1478      }
1479 +  }
1480 +  local_SRI = local_bonds + local_bends + local_torsions;
1481  
1482 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1483 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1330 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1482 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1483 >  
1484  
1485 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1485 >  if (local_atoms != info[0].n_atoms){
1486 >    sprintf(painCave.errMsg,
1487 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1488 >            "\tlocalAtom (%d) are not equal.\n",
1489 >            info[0].n_atoms, local_atoms);
1490 >    painCave.isFatal = 1;
1491 >    simError();
1492 >  }
1493  
1494 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1494 >  info[0].n_bonds = local_bonds;
1495 >  info[0].n_bends = local_bends;
1496 >  info[0].n_torsions = local_torsions;
1497 >  info[0].n_SRI = local_SRI;
1498 >  info[0].n_mol = localMol;
1499  
1500 <      rotMat[0][0] = 1.0;
1501 <      rotMat[0][1] = 0.0;
1502 <      rotMat[0][2] = 0.0;
1500 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1501 >  MPIcheckPoint();
1502 > }
1503  
1504 <      rotMat[1][0] = 0.0;
1341 <      rotMat[1][1] = 1.0;
1342 <      rotMat[1][2] = 0.0;
1504 > #endif // is_mpi
1505  
1344      rotMat[2][0] = 0.0;
1345      rotMat[2][1] = 0.0;
1346      rotMat[2][2] = 1.0;
1506  
1507 <      dAtom->setA( rotMat );
1507 > void SimSetup::makeSysArrays(void){
1508 >
1509 > #ifndef IS_MPI
1510 >  int k, j;
1511 > #endif // is_mpi
1512 >  int i, l;
1513 >
1514 >  Atom** the_atoms;
1515 >  Molecule* the_molecules;
1516 >
1517 >  for (l = 0; l < nInfo; l++){
1518 >    // create the atom and short range interaction arrays
1519 >
1520 >    the_atoms = new Atom * [info[l].n_atoms];
1521 >    the_molecules = new Molecule[info[l].n_mol];
1522 >    int molIndex;
1523 >
1524 >    // initialize the molecule's stampID's
1525 >
1526 > #ifdef IS_MPI
1527 >
1528 >
1529 >    molIndex = 0;
1530 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1531 >      if (mol2proc[i] == worldRank){
1532 >        the_molecules[molIndex].setStampID(molCompType[i]);
1533 >        the_molecules[molIndex].setMyIndex(molIndex);
1534 >        the_molecules[molIndex].setGlobalIndex(i);
1535 >        molIndex++;
1536 >      }
1537      }
1538  
1539 <    current_atom_ndx++;
1352 <  }
1539 > #else // is_mpi
1540  
1541 <  current_mol++;
1542 <  current_comp_mol++;
1541 >    molIndex = 0;
1542 >    globalAtomCounter = 0;
1543 >    for (i = 0; i < n_components; i++){
1544 >      for (j = 0; j < components_nmol[i]; j++){
1545 >        the_molecules[molIndex].setStampID(i);
1546 >        the_molecules[molIndex].setMyIndex(molIndex);
1547 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1548 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1549 >          info[l].molMembershipArray[globalAtomCounter] = molIndex;
1550 >          globalAtomCounter++;
1551 >        }
1552 >        molIndex++;
1553 >      }
1554 >    }
1555  
1357  if( current_comp_mol >= components_nmol[current_comp] ){
1556  
1557 <    current_comp_mol = 0;
1558 <    current_comp++;
1557 > #endif // is_mpi
1558 >
1559 >    info[l].globalExcludes = new int;
1560 >    info[l].globalExcludes[0] = 0;
1561 >    
1562 >    // set the arrays into the SimInfo object
1563 >
1564 >    info[l].atoms = the_atoms;
1565 >    info[l].molecules = the_molecules;
1566 >    info[l].nGlobalExcludes = 0;
1567 >    
1568 >    the_ff->setSimInfo(info);
1569    }
1570   }
1571 +
1572 + void SimSetup::makeIntegrator(void){
1573 +  int k;
1574 +
1575 +  NVE<RealIntegrator>* myNVE = NULL;
1576 +  NVT<RealIntegrator>* myNVT = NULL;
1577 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1578 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1579 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1580 +  
1581 +  for (k = 0; k < nInfo; k++){
1582 +    switch (ensembleCase){
1583 +      case NVE_ENS:
1584 +        if (globals->haveZconstraints()){
1585 +          setupZConstraint(info[k]);
1586 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1587 +        }
1588 +        else{
1589 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1590 +        }
1591 +        
1592 +        info->the_integrator = myNVE;
1593 +        break;
1594 +
1595 +      case NVT_ENS:
1596 +        if (globals->haveZconstraints()){
1597 +          setupZConstraint(info[k]);
1598 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1599 +        }
1600 +        else
1601 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1602 +
1603 +        myNVT->setTargetTemp(globals->getTargetTemp());
1604 +
1605 +        if (globals->haveTauThermostat())
1606 +          myNVT->setTauThermostat(globals->getTauThermostat());
1607 +        else{
1608 +          sprintf(painCave.errMsg,
1609 +                  "SimSetup error: If you use the NVT\n"
1610 +                  "\tensemble, you must set tauThermostat.\n");
1611 +          painCave.isFatal = 1;
1612 +          simError();
1613 +        }
1614 +
1615 +        info->the_integrator = myNVT;
1616 +        break;
1617 +
1618 +      case NPTi_ENS:
1619 +        if (globals->haveZconstraints()){
1620 +          setupZConstraint(info[k]);
1621 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1622 +        }
1623 +        else
1624 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1625 +
1626 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1627 +
1628 +        if (globals->haveTargetPressure())
1629 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1630 +        else{
1631 +          sprintf(painCave.errMsg,
1632 +                  "SimSetup error: If you use a constant pressure\n"
1633 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1634 +          painCave.isFatal = 1;
1635 +          simError();
1636 +        }
1637 +
1638 +        if (globals->haveTauThermostat())
1639 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1640 +        else{
1641 +          sprintf(painCave.errMsg,
1642 +                  "SimSetup error: If you use an NPT\n"
1643 +                  "\tensemble, you must set tauThermostat.\n");
1644 +          painCave.isFatal = 1;
1645 +          simError();
1646 +        }
1647 +
1648 +        if (globals->haveTauBarostat())
1649 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1650 +        else{
1651 +          sprintf(painCave.errMsg,
1652 +                  "SimSetup error: If you use an NPT\n"
1653 +                  "\tensemble, you must set tauBarostat.\n");
1654 +          painCave.isFatal = 1;
1655 +          simError();
1656 +        }
1657 +
1658 +        info->the_integrator = myNPTi;
1659 +        break;
1660 +
1661 +      case NPTf_ENS:
1662 +        if (globals->haveZconstraints()){
1663 +          setupZConstraint(info[k]);
1664 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1665 +        }
1666 +        else
1667 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1668 +
1669 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1670 +
1671 +        if (globals->haveTargetPressure())
1672 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1673 +        else{
1674 +          sprintf(painCave.errMsg,
1675 +                  "SimSetup error: If you use a constant pressure\n"
1676 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1677 +          painCave.isFatal = 1;
1678 +          simError();
1679 +        }    
1680 +
1681 +        if (globals->haveTauThermostat())
1682 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1683 +
1684 +        else{
1685 +          sprintf(painCave.errMsg,
1686 +                  "SimSetup error: If you use an NPT\n"
1687 +                  "\tensemble, you must set tauThermostat.\n");
1688 +          painCave.isFatal = 1;
1689 +          simError();
1690 +        }
1691 +
1692 +        if (globals->haveTauBarostat())
1693 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1694 +
1695 +        else{
1696 +          sprintf(painCave.errMsg,
1697 +                  "SimSetup error: If you use an NPT\n"
1698 +                  "\tensemble, you must set tauBarostat.\n");
1699 +          painCave.isFatal = 1;
1700 +          simError();
1701 +        }
1702 +
1703 +        info->the_integrator = myNPTf;
1704 +        break;
1705 +
1706 +      case NPTxyz_ENS:
1707 +        if (globals->haveZconstraints()){
1708 +          setupZConstraint(info[k]);
1709 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1710 +        }
1711 +        else
1712 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1713 +
1714 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1715 +
1716 +        if (globals->haveTargetPressure())
1717 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1718 +        else{
1719 +          sprintf(painCave.errMsg,
1720 +                  "SimSetup error: If you use a constant pressure\n"
1721 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1722 +          painCave.isFatal = 1;
1723 +          simError();
1724 +        }    
1725 +
1726 +        if (globals->haveTauThermostat())
1727 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1728 +        else{
1729 +          sprintf(painCave.errMsg,
1730 +                  "SimSetup error: If you use an NPT\n"
1731 +                  "\tensemble, you must set tauThermostat.\n");
1732 +          painCave.isFatal = 1;
1733 +          simError();
1734 +        }
1735 +
1736 +        if (globals->haveTauBarostat())
1737 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1738 +        else{
1739 +          sprintf(painCave.errMsg,
1740 +                  "SimSetup error: If you use an NPT\n"
1741 +                  "\tensemble, you must set tauBarostat.\n");
1742 +          painCave.isFatal = 1;
1743 +          simError();
1744 +        }
1745 +
1746 +        info->the_integrator = myNPTxyz;
1747 +        break;
1748 +
1749 +      default:
1750 +        sprintf(painCave.errMsg,
1751 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1752 +        painCave.isFatal = 1;
1753 +        simError();
1754 +    }
1755 +  }
1756 + }
1757 +
1758 + void SimSetup::initFortran(void){
1759 +  info[0].refreshSim();
1760 +
1761 +  if (!strcmp(info[0].mixingRule, "standard")){
1762 +    the_ff->initForceField(LB_MIXING_RULE);
1763 +  }
1764 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1765 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1766 +  }
1767 +  else{
1768 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1769 +            info[0].mixingRule);
1770 +    painCave.isFatal = 1;
1771 +    simError();
1772 +  }
1773 +
1774 +
1775 + #ifdef IS_MPI
1776 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1777 +  MPIcheckPoint();
1778 + #endif // is_mpi
1779 + }
1780 +
1781 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1782 +  int nZConstraints;
1783 +  ZconStamp** zconStamp;
1784 +
1785 +  if (globals->haveZconstraintTime()){
1786 +    //add sample time of z-constraint  into SimInfo's property list                    
1787 +    DoubleData* zconsTimeProp = new DoubleData();
1788 +    zconsTimeProp->setID(ZCONSTIME_ID);
1789 +    zconsTimeProp->setData(globals->getZconsTime());
1790 +    theInfo.addProperty(zconsTimeProp);
1791 +  }
1792 +  else{
1793 +    sprintf(painCave.errMsg,
1794 +            "ZConstraint error: If you use a ZConstraint,\n"
1795 +            "\tyou must set zconsTime.\n");
1796 +    painCave.isFatal = 1;
1797 +    simError();
1798 +  }
1799 +
1800 +  //push zconsTol into siminfo, if user does not specify
1801 +  //value for zconsTol, a default value will be used
1802 +  DoubleData* zconsTol = new DoubleData();
1803 +  zconsTol->setID(ZCONSTOL_ID);
1804 +  if (globals->haveZconsTol()){
1805 +    zconsTol->setData(globals->getZconsTol());
1806 +  }
1807 +  else{
1808 +    double defaultZConsTol = 0.01;
1809 +    sprintf(painCave.errMsg,
1810 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1811 +            "\tOOPSE will use a default value of %f.\n"
1812 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1813 +            defaultZConsTol);
1814 +    painCave.isFatal = 0;
1815 +    simError();      
1816 +
1817 +    zconsTol->setData(defaultZConsTol);
1818 +  }
1819 +  theInfo.addProperty(zconsTol);
1820 +
1821 +  //set Force Subtraction Policy
1822 +  StringData* zconsForcePolicy = new StringData();
1823 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1824 +
1825 +  if (globals->haveZconsForcePolicy()){
1826 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1827 +  }
1828 +  else{
1829 +    sprintf(painCave.errMsg,
1830 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1831 +            "\tOOPSE will use PolicyByMass.\n"
1832 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1833 +    painCave.isFatal = 0;
1834 +    simError();
1835 +    zconsForcePolicy->setData("BYMASS");
1836 +  }
1837 +
1838 +  theInfo.addProperty(zconsForcePolicy);
1839 +
1840 +  //set zcons gap
1841 +  DoubleData* zconsGap = new DoubleData();
1842 +  zconsGap->setID(ZCONSGAP_ID);
1843 +
1844 +  if (globals->haveZConsGap()){
1845 +    zconsGap->setData(globals->getZconsGap());
1846 +    theInfo.addProperty(zconsGap);  
1847 +  }
1848 +
1849 +  //set zcons fixtime
1850 +  DoubleData* zconsFixtime = new DoubleData();
1851 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
1852 +
1853 +  if (globals->haveZConsFixTime()){
1854 +    zconsFixtime->setData(globals->getZconsFixtime());
1855 +    theInfo.addProperty(zconsFixtime);  
1856 +  }
1857 +
1858 +  //set zconsUsingSMD
1859 +  IntData* zconsUsingSMD = new IntData();
1860 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
1861 +
1862 +  if (globals->haveZConsUsingSMD()){
1863 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
1864 +    theInfo.addProperty(zconsUsingSMD);  
1865 +  }
1866 +
1867 +  //Determine the name of ouput file and add it into SimInfo's property list
1868 +  //Be careful, do not use inFileName, since it is a pointer which
1869 +  //point to a string at master node, and slave nodes do not contain that string
1870 +
1871 +  string zconsOutput(theInfo.finalName);
1872 +
1873 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1874 +
1875 +  StringData* zconsFilename = new StringData();
1876 +  zconsFilename->setID(ZCONSFILENAME_ID);
1877 +  zconsFilename->setData(zconsOutput);
1878 +
1879 +  theInfo.addProperty(zconsFilename);
1880 +
1881 +  //setup index, pos and other parameters of z-constraint molecules
1882 +  nZConstraints = globals->getNzConstraints();
1883 +  theInfo.nZconstraints = nZConstraints;
1884 +
1885 +  zconStamp = globals->getZconStamp();
1886 +  ZConsParaItem tempParaItem;
1887 +
1888 +  ZConsParaData* zconsParaData = new ZConsParaData();
1889 +  zconsParaData->setID(ZCONSPARADATA_ID);
1890 +
1891 +  for (int i = 0; i < nZConstraints; i++){
1892 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1893 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1894 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1895 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1896 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
1897 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
1898 +    zconsParaData->addItem(tempParaItem);
1899 +  }
1900 +
1901 +  //check the uniqueness of index  
1902 +  if(!zconsParaData->isIndexUnique()){
1903 +    sprintf(painCave.errMsg,
1904 +            "ZConstraint Error: molIndex is not unique!\n");
1905 +    painCave.isFatal = 1;
1906 +    simError();
1907 +  }
1908 +
1909 +  //sort the parameters by index of molecules
1910 +  zconsParaData->sortByIndex();
1911 +  
1912 +  //push data into siminfo, therefore, we can retrieve later
1913 +  theInfo.addProperty(zconsParaData);
1914 + }
1915 +
1916 + void SimSetup::makeMinimizer(){
1917 +
1918 +  OOPSEMinimizer* myOOPSEMinimizer;
1919 +  MinimizerParameterSet* param;
1920 +  char minimizerName[100];
1921 +  
1922 +  for (int i = 0; i < nInfo; i++){
1923 +    
1924 +    //prepare parameter set for minimizer
1925 +    param = new MinimizerParameterSet();
1926 +    param->setDefaultParameter();
1927 +
1928 +    if (globals->haveMinimizer()){
1929 +      param->setFTol(globals->getMinFTol());
1930 +    }
1931 +
1932 +    if (globals->haveMinGTol()){
1933 +      param->setGTol(globals->getMinGTol());
1934 +    }
1935 +
1936 +    if (globals->haveMinMaxIter()){
1937 +      param->setMaxIteration(globals->getMinMaxIter());
1938 +    }
1939 +
1940 +    if (globals->haveMinWriteFrq()){
1941 +      param->setMaxIteration(globals->getMinMaxIter());
1942 +    }
1943 +
1944 +    if (globals->haveMinWriteFrq()){
1945 +      param->setWriteFrq(globals->getMinWriteFrq());
1946 +    }
1947 +    
1948 +    if (globals->haveMinStepSize()){
1949 +      param->setStepSize(globals->getMinStepSize());
1950 +    }
1951 +
1952 +    if (globals->haveMinLSMaxIter()){
1953 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1954 +    }    
1955 +
1956 +    if (globals->haveMinLSTol()){
1957 +      param->setLineSearchTol(globals->getMinLSTol());
1958 +    }    
1959 +
1960 +    strcpy(minimizerName, globals->getMinimizer());
1961 +
1962 +    if (!strcasecmp(minimizerName, "CG")){
1963 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1964 +    }
1965 +    else if (!strcasecmp(minimizerName, "SD")){
1966 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1967 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1968 +    }
1969 +    else{
1970 +          sprintf(painCave.errMsg,
1971 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
1972 +          painCave.isFatal = 0;
1973 +          simError();
1974 +
1975 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
1976 +    }
1977 +     info[i].the_integrator = myOOPSEMinimizer;
1978 +
1979 +     //store the minimizer into simInfo
1980 +     info[i].the_minimizer = myOOPSEMinimizer;
1981 +     info[i].has_minimizer = true;
1982 +  }
1983 +
1984 + }

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