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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 394 by gezelter, Mon Mar 24 21:55:34 2003 UTC vs.
Revision 1154 by gezelter, Tue May 11 16:00:22 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"
18   #include "mpiSimulation.hpp"
19   #endif
20  
21 + // some defines for ensemble and Forcefield  cases
22 +
23 + #define NVE_ENS        0
24 + #define NVT_ENS        1
25 + #define NPTi_ENS       2
26 + #define NPTf_ENS       3
27 + #define NPTxyz_ENS     4
28 +
29 +
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 27 | 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();
59 <    mpiEventLoop();
60 <
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;
68 <  Globals* the_globals;
69 <  int i, j;
126 >  // gather all of the information from the Bass file
127  
128 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
128 >  gatherInfo();
129  
130 <  // set the easy ones first
76 <  simnfo->target_temp = the_globals->getTargetTemp();
77 <  simnfo->dt = the_globals->getDt();
78 <  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.
81 <  n_components = the_globals->getNComponents();
82 <  strcpy( force_field, the_globals->getForceField() );
83 <  strcpy( ensemble, the_globals->getEnsemble() );
84 <  strcpy( simnfo->ensemble, ensemble );
132 >  sysObjectsCreation();
133  
134 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
134 >  // check on the post processing info
135  
136 +  finalInfoCheck();
137  
138 <  if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
92 <  else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
93 <  else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
94 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
95 <  else{
96 <    sprintf( painCave.errMsg,
97 <             "SimSetup Error. Unrecognized force field -> %s\n",
98 <             force_field );
99 <    painCave.isFatal = 1;
100 <    simError();
101 <  }
138 >  // initialize the system coordinates
139  
140 < #ifdef IS_MPI
141 <  strcpy( checkPointMsg, "ForceField creation successful" );
105 <  MPIcheckPoint();
106 < #endif // is_mpi
140 >  if ( !initSuspend ){
141 >    initSystemCoords();
142  
143 +    if( !(globals->getUseInitTime()) )
144 +      info[0].currentTime = 0.0;
145 +  }  
146 +
147 +  // make the output filenames
148 +
149 +  makeOutNames();
150    
151 + #ifdef IS_MPI
152 +  mpiSim->mpiRefresh();
153 + #endif
154  
155 <  // get the components and calculate the tot_nMol and indvidual n_mol
111 <  the_components = the_globals->getComponents();
112 <  components_nmol = new int[n_components];
113 <  comp_stamps = new MoleculeStamp*[n_components];
155 >  // initialize the Fortran
156  
157 <  if( !the_globals->haveNMol() ){
116 <    // we don't have the total number of molecules, so we assume it is
117 <    // given in each component
157 >  initFortran();
158  
159 <    tot_nmol = 0;
160 <    for( i=0; i<n_components; i++ ){
159 >  if (globals->haveMinimizer())
160 >    // make minimizer
161 >    makeMinimizer();
162 >  else
163 >    // make the integrator
164 >    makeIntegrator();
165  
166 <      if( !the_components[i]->haveNMol() ){
123 <        // we have a problem
124 <        sprintf( painCave.errMsg,
125 <                 "SimSetup Error. No global NMol or component NMol"
126 <                 " given. Cannot calculate the number of atoms.\n" );
127 <        painCave.isFatal = 1;
128 <        simError();
129 <      }
166 > }
167  
131      tot_nmol += the_components[i]->getNMol();
132      components_nmol[i] = the_components[i]->getNMol();
133    }
134  }
135  else{
136    sprintf( painCave.errMsg,
137             "SimSetup error.\n"
138             "\tSorry, the ability to specify total"
139             " nMols and then give molfractions in the components\n"
140             "\tis not currently supported."
141             " Please give nMol in the components.\n" );
142    painCave.isFatal = 1;
143    simError();
144    
145    
146    //     tot_nmol = the_globals->getNMol();
147    
148    //   //we have the total number of molecules, now we check for molfractions
149    //     for( i=0; i<n_components; i++ ){
150    
151    //       if( !the_components[i]->haveMolFraction() ){
152    
153    //  if( !the_components[i]->haveNMol() ){
154    //    //we have a problem
155    //    std::cerr << "SimSetup error. Neither molFraction nor "
156    //              << " nMol was given in component
157    
158  }
168  
169 < #ifdef IS_MPI
170 <  strcpy( checkPointMsg, "Have the number of components" );
171 <  MPIcheckPoint();
172 < #endif // is_mpi
169 > void SimSetup::makeMolecules(void){
170 >  int i, j, k;
171 >  int exI, exJ, exK, exL, slI, slJ;
172 >  int tempI, tempJ, tempK, tempL;
173 >  int molI;
174 >  int stampID, atomOffset, rbOffset;
175 >  molInit molInfo;
176 >  DirectionalAtom* dAtom;
177 >  RigidBody* myRB;
178 >  StuntDouble* mySD;
179 >  LinkedAssign* extras;
180 >  LinkedAssign* current_extra;
181 >  AtomStamp* currentAtom;
182 >  BondStamp* currentBond;
183 >  BendStamp* currentBend;
184 >  TorsionStamp* currentTorsion;
185 >  RigidBodyStamp* currentRigidBody;
186  
187 <  // make an array of molecule stamps that match the components used.
188 <  // also extract the used stamps out into a separate linked list
187 >  bond_pair* theBonds;
188 >  bend_set* theBends;
189 >  torsion_set* theTorsions;
190  
191 <  simnfo->nComponents = n_components;
169 <  simnfo->componentsNmol = components_nmol;
170 <  simnfo->compStamps = comp_stamps;
171 <  simnfo->headStamp = new LinkedMolStamp();
172 <  
173 <  char* id;
174 <  LinkedMolStamp* headStamp = simnfo->headStamp;
175 <  LinkedMolStamp* currentStamp = NULL;
176 <  for( i=0; i<n_components; i++ ){
191 >  set<int> skipList;
192  
193 <    id = the_components[i]->getType();
194 <    comp_stamps[i] = NULL;
195 <    
181 <    // check to make sure the component isn't already in the list
193 >  double phi, theta, psi;
194 >  char* molName;
195 >  char rbName[100];
196  
197 <    comp_stamps[i] = headStamp->match( id );
184 <    if( comp_stamps[i] == NULL ){
185 <      
186 <      // extract the component from the list;
187 <      
188 <      currentStamp = the_stamps->extractMolStamp( id );
189 <      if( currentStamp == NULL ){
190 <        sprintf( painCave.errMsg,
191 <                 "SimSetup error: Component \"%s\" was not found in the "
192 <                 "list of declared molecules\n",
193 <                 id );
194 <        painCave.isFatal = 1;
195 <        simError();
196 <      }
197 <      
198 <      headStamp->add( currentStamp );
199 <      comp_stamps[i] = headStamp->match( id );
200 <    }
201 <  }
197 >  //init the forceField paramters
198  
199 < #ifdef IS_MPI
204 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
205 <  MPIcheckPoint();
206 < #endif // is_mpi
207 <  
199 >  the_ff->readParams();
200  
201 +  // init the atoms
202  
203 +  int nMembers, nNew, rb1, rb2;
204  
205 <  // caclulate the number of atoms, bonds, bends and torsions
205 >  for (k = 0; k < nInfo; k++){
206 >    the_ff->setSimInfo(&(info[k]));
207  
208 <  tot_atoms = 0;
214 <  tot_bonds = 0;
215 <  tot_bends = 0;
216 <  tot_torsions = 0;
217 <  for( i=0; i<n_components; i++ ){
218 <    
219 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
220 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
221 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
222 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
223 <  }
208 >    atomOffset = 0;
209  
210 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
210 >    for (i = 0; i < info[k].n_mol; i++){
211 >      stampID = info[k].molecules[i].getStampID();
212 >      molName = comp_stamps[stampID]->getID();
213  
214 <  simnfo->n_atoms = tot_atoms;
215 <  simnfo->n_bonds = tot_bonds;
216 <  simnfo->n_bends = tot_bends;
217 <  simnfo->n_torsions = tot_torsions;
218 <  simnfo->n_SRI = tot_SRI;
219 <  simnfo->n_mol = tot_nmol;
214 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
215 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
216 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
217 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
218 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
219 >      
220 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
221  
222 <  
223 < #ifdef IS_MPI
222 >      if (molInfo.nBonds > 0)
223 >        molInfo.myBonds = new (Bond *) [molInfo.nBonds];
224 >      else
225 >        molInfo.myBonds = NULL;
226  
227 <  // divide the molecules among processors here.
228 <  
229 <  mpiSim = new mpiSimulation( simnfo );
230 <  
241 <  
227 >      if (molInfo.nBends > 0)
228 >        molInfo.myBends = new (Bend *) [molInfo.nBends];
229 >      else
230 >        molInfo.myBends = NULL;
231  
232 <  globalIndex = mpiSim->divideLabor();
232 >      if (molInfo.nTorsions > 0)
233 >        molInfo.myTorsions = new (Torsion *) [molInfo.nTorsions];
234 >      else
235 >        molInfo.myTorsions = NULL;
236  
237 <
238 <
239 <  // set up the local variables
248 <  
249 <  int localMol, allMol;
250 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
251 <  
252 <  allMol = 0;
253 <  localMol = 0;
254 <  local_atoms = 0;
255 <  local_bonds = 0;
256 <  local_bends = 0;
257 <  local_torsions = 0;
258 <  for( i=0; i<n_components; i++ ){
259 <
260 <    for( j=0; j<components_nmol[i]; j++ ){
237 >      theBonds = new bond_pair[molInfo.nBonds];
238 >      theBends = new bend_set[molInfo.nBends];
239 >      theTorsions = new torsion_set[molInfo.nTorsions];
240        
241 <      if( mpiSim->getMyMolStart() <= allMol &&
263 <          allMol <= mpiSim->getMyMolEnd() ){
264 <        
265 <        local_atoms +=    comp_stamps[i]->getNAtoms();
266 <        local_bonds +=    comp_stamps[i]->getNBonds();
267 <        local_bends +=    comp_stamps[i]->getNBends();
268 <        local_torsions += comp_stamps[i]->getNTorsions();
269 <        localMol++;
270 <      }      
271 <      allMol++;
272 <    }
273 <  }
274 <  local_SRI = local_bonds + local_bends + local_torsions;
275 <  
241 >      // make the Atoms
242  
243 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
244 <  
279 <  if( local_atoms != simnfo->n_atoms ){
280 <    sprintf( painCave.errMsg,
281 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
282 <             " localAtom (%d) are note equal.\n",
283 <             simnfo->n_atoms,
284 <             local_atoms );
285 <    painCave.isFatal = 1;
286 <    simError();
287 <  }
243 >      for (j = 0; j < molInfo.nAtoms; j++){
244 >        currentAtom = comp_stamps[stampID]->getAtom(j);
245  
246 <  simnfo->n_bonds = local_bonds;
247 <  simnfo->n_bends = local_bends;
248 <  simnfo->n_torsions = local_torsions;
249 <  simnfo->n_SRI = local_SRI;
250 <  simnfo->n_mol = localMol;
246 >        if (currentAtom->haveOrientation()){
247 >          dAtom = new DirectionalAtom((j + atomOffset),
248 >                                      info[k].getConfiguration());
249 >          info[k].n_oriented++;
250 >          molInfo.myAtoms[j] = dAtom;
251  
252 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
253 <  MPIcheckPoint();
254 <  
298 <  
299 < #endif // is_mpi
300 <  
252 >          // Directional Atoms have standard unit vectors which are oriented
253 >          // in space using the three Euler angles.  We assume the standard
254 >          // unit vector was originally along the z axis below.
255  
256 <  // create the atom and short range interaction arrays
256 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
257 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
258 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
259  
260 <  Atom::createArrays(simnfo->n_atoms);
261 <  the_atoms = new Atom*[simnfo->n_atoms];
262 <  the_molecules = new Molecule[simnfo->n_mol];
260 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
261 >            
262 >        }
263 >        else{
264  
265 +          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
266  
267 <  if( simnfo->n_SRI ){
310 <    the_sris = new SRI*[simnfo->n_SRI];
311 <    the_excludes = new int[2 * simnfo->n_SRI];
312 <    simnfo->globalExcludes = new int;
313 <    simnfo->n_exclude = tot_SRI;
314 <  }
315 <  else{
316 <    
317 <    the_excludes = new int[2];
318 <    the_excludes[0] = 0;
319 <    the_excludes[1] = 0;
320 <    simnfo->globalExcludes = new int;
321 <    simnfo->globalExcludes[0] = 0;
267 >        }
268  
269 <    simnfo->n_exclude = 1;
270 <  }
269 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
270 > #ifdef IS_MPI
271  
272 <  // set the arrays into the SimInfo object
272 >        molInfo.myAtoms[j]->setGlobalIndex(globalAtomIndex[j + atomOffset]);
273  
274 <  simnfo->atoms = the_atoms;
275 <  simnfo->sr_interactions = the_sris;
330 <  simnfo->nGlobalExcludes = 0;
331 <  simnfo->excludes = the_excludes;
274 > #endif // is_mpi
275 >      }
276  
277 +      // make the bonds
278 +      for (j = 0; j < molInfo.nBonds; j++){
279 +        currentBond = comp_stamps[stampID]->getBond(j);
280 +        theBonds[j].a = currentBond->getA() + atomOffset;
281 +        theBonds[j].b = currentBond->getB() + atomOffset;
282  
283 <  // get some of the tricky things that may still be in the globals
283 >        tempI = theBonds[j].a;
284 >        tempJ = theBonds[j].b;
285  
336  
337  if( the_globals->haveBox() ){
338    simnfo->box_x = the_globals->getBox();
339    simnfo->box_y = the_globals->getBox();
340    simnfo->box_z = the_globals->getBox();
341  }
342  else if( the_globals->haveDensity() ){
343
344    double vol;
345    vol = (double)tot_nmol / the_globals->getDensity();
346    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
347    simnfo->box_y = simnfo->box_x;
348    simnfo->box_z = simnfo->box_x;
349  }
350  else{
351    if( !the_globals->haveBoxX() ){
352      sprintf( painCave.errMsg,
353               "SimSetup error, no periodic BoxX size given.\n" );
354      painCave.isFatal = 1;
355      simError();
356    }
357    simnfo->box_x = the_globals->getBoxX();
358
359    if( !the_globals->haveBoxY() ){
360      sprintf( painCave.errMsg,
361               "SimSetup error, no periodic BoxY size given.\n" );
362      painCave.isFatal = 1;
363      simError();
364    }
365    simnfo->box_y = the_globals->getBoxY();
366
367    if( !the_globals->haveBoxZ() ){
368      sprintf( painCave.errMsg,
369               "SimSetup error, no periodic BoxZ size given.\n" );
370      painCave.isFatal = 1;
371      simError();
372    }
373    simnfo->box_z = the_globals->getBoxZ();
374  }
375
286   #ifdef IS_MPI
287 <  strcpy( checkPointMsg, "Box size set up" );
288 <  MPIcheckPoint();
289 < #endif // is_mpi
287 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
288 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
289 > #else
290 >        exI = tempI + 1;
291 >        exJ = tempJ + 1;
292 > #endif
293  
294 +        info[k].excludes->addPair(exI, exJ);
295 +      }
296  
297 <  // initialize the arrays
297 >      //make the bends
298 >      for (j = 0; j < molInfo.nBends; j++){
299 >        currentBend = comp_stamps[stampID]->getBend(j);
300 >        theBends[j].a = currentBend->getA() + atomOffset;
301 >        theBends[j].b = currentBend->getB() + atomOffset;
302 >        theBends[j].c = currentBend->getC() + atomOffset;
303  
304 <  the_ff->setSimInfo( simnfo );
304 >        if (currentBend->haveExtras()){
305 >          extras = currentBend->getExtras();
306 >          current_extra = extras;
307  
308 <  makeAtoms();
309 <  simnfo->identArray = new int[simnfo->n_atoms];
310 <  for(i=0; i<simnfo->n_atoms; i++){
311 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
312 <  }
313 <  
314 <  if( tot_bonds ){
393 <    makeBonds();
394 <  }
308 >          while (current_extra != NULL){
309 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
310 >              switch (current_extra->getType()){
311 >                case 0:
312 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
313 >                  theBends[j].isGhost = 1;
314 >                  break;
315  
316 <  if( tot_bends ){
317 <    makeBends();
318 <  }
316 >                case 1:
317 >                  theBends[j].ghost = (int) current_extra->getDouble() +
318 >                                      atomOffset;
319 >                  theBends[j].isGhost = 1;
320 >                  break;
321  
322 <  if( tot_torsions ){
323 <    makeTorsions();
324 <  }
322 >                default:
323 >                  sprintf(painCave.errMsg,
324 >                          "SimSetup Error: ghostVectorSource was neither a "
325 >                          "double nor an int.\n"
326 >                          "-->Bend[%d] in %s\n",
327 >                          j, comp_stamps[stampID]->getID());
328 >                  painCave.isFatal = 1;
329 >                  simError();
330 >              }
331 >            }
332 >            else{
333 >              sprintf(painCave.errMsg,
334 >                      "SimSetup Error: unhandled bend assignment:\n"
335 >                      "    -->%s in Bend[%d] in %s\n",
336 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
337 >              painCave.isFatal = 1;
338 >              simError();
339 >            }
340  
341 +            current_extra = current_extra->getNext();
342 +          }
343 +        }
344  
345 <  if (the_globals->getUseRF() ) {
346 <    simnfo->useReactionField = 1;
347 <  
348 <    if( !the_globals->haveECR() ){
349 <      sprintf( painCave.errMsg,
350 <               "SimSetup Warning: using default value of 1/2 the smallest "
351 <               "box length for the electrostaticCutoffRadius.\n"
352 <               "I hope you have a very fast processor!\n");
353 <      painCave.isFatal = 0;
354 <      simError();
355 <      double smallest;
356 <      smallest = simnfo->box_x;
357 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
418 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
419 <      simnfo->ecr = 0.5 * smallest;
420 <    } else {
421 <      simnfo->ecr        = the_globals->getECR();
422 <    }
345 >        if (theBends[j].isGhost) {
346 >          
347 >          tempI = theBends[j].a;
348 >          tempJ = theBends[j].b;
349 >          
350 > #ifdef IS_MPI
351 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
352 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
353 > #else
354 >          exI = tempI + 1;
355 >          exJ = tempJ + 1;
356 > #endif          
357 >          info[k].excludes->addPair(exI, exJ);
358  
359 <    if( !the_globals->haveEST() ){
425 <      sprintf( painCave.errMsg,
426 <               "SimSetup Warning: using default value of 0.05 * the "
427 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
428 <               );
429 <      painCave.isFatal = 0;
430 <      simError();
431 <      simnfo->est = 0.05 * simnfo->ecr;
432 <    } else {
433 <      simnfo->est        = the_globals->getEST();
434 <    }
435 <    
436 <    if(!the_globals->haveDielectric() ){
437 <      sprintf( painCave.errMsg,
438 <               "SimSetup Error: You are trying to use Reaction Field without"
439 <               "setting a dielectric constant!\n"
440 <               );
441 <      painCave.isFatal = 1;
442 <      simError();
443 <    }
444 <    simnfo->dielectric = the_globals->getDielectric();  
445 <  } else {
446 <    if (simnfo->n_dipoles) {
447 <      
448 <      if( !the_globals->haveECR() ){
449 <        sprintf( painCave.errMsg,
450 <                 "SimSetup Warning: using default value of 1/2 the smallest"
451 <                 "box length for the electrostaticCutoffRadius.\n"
452 <                 "I hope you have a very fast processor!\n");
453 <        painCave.isFatal = 0;
454 <        simError();
455 <        double smallest;
456 <        smallest = simnfo->box_x;
457 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
458 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
459 <        simnfo->ecr = 0.5 * smallest;
460 <      } else {
461 <        simnfo->ecr        = the_globals->getECR();
462 <      }
463 <      
464 <      if( !the_globals->haveEST() ){
465 <        sprintf( painCave.errMsg,
466 <                 "SimSetup Warning: using default value of 5% of the"
467 <                 "electrostaticCutoffRadius for the "
468 <                 "electrostaticSkinThickness\n"
469 <                 );
470 <        painCave.isFatal = 0;
471 <        simError();
472 <        simnfo->est = 0.05 * simnfo->ecr;
473 <      } else {
474 <        simnfo->est        = the_globals->getEST();
475 <      }
476 <    }
477 <  }  
359 >        } else {
360  
361 +          tempI = theBends[j].a;
362 +          tempJ = theBends[j].b;
363 +          tempK = theBends[j].c;
364 +          
365   #ifdef IS_MPI
366 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
367 <  MPIcheckPoint();
368 < #endif // is_mpi
366 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
367 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
368 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
369 > #else
370 >          exI = tempI + 1;
371 >          exJ = tempJ + 1;
372 >          exK = tempK + 1;
373 > #endif
374 >          
375 >          info[k].excludes->addPair(exI, exK);
376 >          info[k].excludes->addPair(exI, exJ);
377 >          info[k].excludes->addPair(exJ, exK);
378 >        }
379 >      }
380  
381 < if( the_globals->haveInitialConfig() ){
382 <
383 <     InitializeFromFile* fileInit;
384 < #ifdef IS_MPI // is_mpi
385 <     if( worldRank == 0 ){
386 < #endif //is_mpi
387 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
381 >      for (j = 0; j < molInfo.nTorsions; j++){
382 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
383 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
384 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
385 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
386 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
387 >
388 >        tempI = theTorsions[j].a;      
389 >        tempJ = theTorsions[j].b;
390 >        tempK = theTorsions[j].c;
391 >        tempL = theTorsions[j].d;
392 >
393   #ifdef IS_MPI
394 <     }else fileInit = new InitializeFromFile( NULL );
394 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
395 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
396 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
397 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
398 > #else
399 >        exI = tempI + 1;
400 >        exJ = tempJ + 1;
401 >        exK = tempK + 1;
402 >        exL = tempL + 1;
403   #endif
494   fileInit->read_xyz( simnfo ); // default velocities on
404  
405 <   delete fileInit;
406 < }
407 < else{
405 >        info[k].excludes->addPair(exI, exJ);
406 >        info[k].excludes->addPair(exI, exK);
407 >        info[k].excludes->addPair(exI, exL);        
408 >        info[k].excludes->addPair(exJ, exK);
409 >        info[k].excludes->addPair(exJ, exL);
410 >        info[k].excludes->addPair(exK, exL);
411 >      }
412  
413 < #ifdef IS_MPI
413 >      
414 >      molInfo.myRigidBodies.clear();
415 >      
416 >      for (j = 0; j < molInfo.nRigidBodies; j++){
417  
418 <  // no init from bass
419 <  
504 <  sprintf( painCave.errMsg,
505 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
506 <  painCave.isFatal;
507 <  simError();
508 <  
509 < #else
418 >        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
419 >        nMembers = currentRigidBody->getNMembers();
420  
421 <  initFromBass();
421 >        // Create the Rigid Body:
422  
423 +        myRB = new RigidBody();
424  
425 +        sprintf(rbName,"%s_RB_%d", molName, j);
426 +        myRB->setType(rbName);
427 +        
428 +        for (rb1 = 0; rb1 < nMembers; rb1++) {
429 +
430 +          // molI is atom numbering inside this molecule
431 +          molI = currentRigidBody->getMember(rb1);    
432 +
433 +          // tempI is atom numbering on local processor
434 +          tempI = molI + atomOffset;
435 +
436 +          // currentAtom is the AtomStamp (which we need for
437 +          // rigid body reference positions)
438 +          currentAtom = comp_stamps[stampID]->getAtom(molI);
439 +
440 +          // When we add to the rigid body, add the atom itself and
441 +          // the stamp info:
442 +
443 +          myRB->addAtom(info[k].atoms[tempI], currentAtom);
444 +          
445 +          // Add this atom to the Skip List for the integrators
446 + #ifdef IS_MPI
447 +          slI = info[k].atoms[tempI]->getGlobalIndex();
448 + #else
449 +          slI = tempI;
450   #endif
451 < }
451 >          skipList.insert(slI);
452 >          
453 >        }
454 >        
455 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
456 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
457 >            
458 >            tempI = currentRigidBody->getMember(rb1);
459 >            tempJ = currentRigidBody->getMember(rb2);
460 >            
461 >            // Some explanation is required here.
462 >            // Fortran indexing starts at 1, while c indexing starts at 0
463 >            // Also, in parallel computations, the GlobalIndex is
464 >            // used for the exclude list:
465 >            
466 > #ifdef IS_MPI
467 >            exI = molInfo.myAtoms[tempI]->getGlobalIndex() + 1;
468 >            exJ = molInfo.myAtoms[tempJ]->getGlobalIndex() + 1;
469 > #else
470 >            exI = molInfo.myAtoms[tempI]->getIndex() + 1;
471 >            exJ = molInfo.myAtoms[tempJ]->getIndex() + 1;
472 > #endif
473 >            
474 >            info[k].excludes->addPair(exI, exJ);
475 >            
476 >          }
477 >        }
478  
479 +        molInfo.myRigidBodies.push_back(myRB);
480 +        info[k].rigidBodies.push_back(myRB);
481 +      }
482 +      
483 +
484 +      // After this is all set up, scan through the atoms to
485 +      // see if they can be added to the integrableObjects:
486 +
487 +      molInfo.myIntegrableObjects.clear();
488 +      
489 +
490 +      for (j = 0; j < molInfo.nAtoms; j++){
491 +
492   #ifdef IS_MPI
493 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
494 <  MPIcheckPoint();
495 < #endif // is_mpi
493 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
494 > #else
495 >        slJ = j+atomOffset;
496 > #endif
497  
498 +        // if they aren't on the skip list, then they can be integrated
499  
500 <  
501 <
502 <  
500 >        if (skipList.find(slJ) == skipList.end()) {
501 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
502 >          info[k].integrableObjects.push_back(mySD);
503 >          molInfo.myIntegrableObjects.push_back(mySD);
504 >        }
505 >      }
506  
507 <  
508 < #ifdef IS_MPI
509 <  if( worldRank == 0 ){
510 < #endif // is_mpi
507 >      // all rigid bodies are integrated:
508 >
509 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
510 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
511 >        info[k].integrableObjects.push_back(mySD);      
512 >        molInfo.myIntegrableObjects.push_back(mySD);
513 >      }
514      
515 <    if( the_globals->haveFinalConfig() ){
516 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
517 <    }
518 <    else{
519 <      strcpy( simnfo->finalName, inFileName );
520 <      char* endTest;
521 <      int nameLength = strlen( simnfo->finalName );
522 <      endTest = &(simnfo->finalName[nameLength - 5]);
523 <      if( !strcmp( endTest, ".bass" ) ){
524 <        strcpy( endTest, ".eor" );
525 <      }
526 <      else if( !strcmp( endTest, ".BASS" ) ){
527 <        strcpy( endTest, ".eor" );
528 <      }
529 <      else{
530 <        endTest = &(simnfo->finalName[nameLength - 4]);
531 <        if( !strcmp( endTest, ".bss" ) ){
549 <          strcpy( endTest, ".eor" );
550 <        }
551 <        else if( !strcmp( endTest, ".mdl" ) ){
552 <          strcpy( endTest, ".eor" );
553 <        }
554 <        else{
555 <          strcat( simnfo->finalName, ".eor" );
556 <        }
557 <      }
558 <    }
559 <    
560 <    // make the sample and status out names
561 <    
562 <    strcpy( simnfo->sampleName, inFileName );
563 <    char* endTest;
564 <    int nameLength = strlen( simnfo->sampleName );
565 <    endTest = &(simnfo->sampleName[nameLength - 5]);
566 <    if( !strcmp( endTest, ".bass" ) ){
567 <      strcpy( endTest, ".dump" );
568 <    }
569 <    else if( !strcmp( endTest, ".BASS" ) ){
570 <      strcpy( endTest, ".dump" );
571 <    }
572 <    else{
573 <      endTest = &(simnfo->sampleName[nameLength - 4]);
574 <      if( !strcmp( endTest, ".bss" ) ){
575 <        strcpy( endTest, ".dump" );
576 <      }
577 <      else if( !strcmp( endTest, ".mdl" ) ){
578 <        strcpy( endTest, ".dump" );
579 <      }
580 <      else{
581 <        strcat( simnfo->sampleName, ".dump" );
582 <      }
583 <    }
584 <    
585 <    strcpy( simnfo->statusName, inFileName );
586 <    nameLength = strlen( simnfo->statusName );
587 <    endTest = &(simnfo->statusName[nameLength - 5]);
588 <    if( !strcmp( endTest, ".bass" ) ){
589 <      strcpy( endTest, ".stat" );
590 <    }
591 <    else if( !strcmp( endTest, ".BASS" ) ){
592 <      strcpy( endTest, ".stat" );
593 <    }
594 <    else{
595 <      endTest = &(simnfo->statusName[nameLength - 4]);
596 <      if( !strcmp( endTest, ".bss" ) ){
597 <        strcpy( endTest, ".stat" );
598 <      }
599 <      else if( !strcmp( endTest, ".mdl" ) ){
600 <        strcpy( endTest, ".stat" );
601 <      }
602 <      else{
603 <        strcat( simnfo->statusName, ".stat" );
604 <      }
605 <    }
606 <    
607 < #ifdef IS_MPI
515 >      
516 >      // send the arrays off to the forceField for init.
517 >      
518 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
519 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
520 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
521 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
522 >                                 theTorsions);
523 >
524 >      info[k].molecules[i].initialize(molInfo);
525 >
526 >
527 >      atomOffset += molInfo.nAtoms;
528 >      delete[] theBonds;
529 >      delete[] theBends;
530 >      delete[] theTorsions;
531 >    }    
532    }
533 +
534 + #ifdef IS_MPI
535 +  sprintf(checkPointMsg, "all molecules initialized succesfully");
536 +  MPIcheckPoint();
537   #endif // is_mpi
610  
611  // set the status, sample, and themal kick times
612  
613  if( the_globals->haveSampleTime() ){
614    simnfo->sampleTime = the_globals->getSampleTime();
615    simnfo->statusTime = simnfo->sampleTime;
616    simnfo->thermalTime = simnfo->sampleTime;
617  }
618  else{
619    simnfo->sampleTime = the_globals->getRunTime();
620    simnfo->statusTime = simnfo->sampleTime;
621    simnfo->thermalTime = simnfo->sampleTime;
622  }
538  
539 <  if( the_globals->haveStatusTime() ){
625 <    simnfo->statusTime = the_globals->getStatusTime();
626 <  }
539 >  // clean up the forcefield
540  
541 <  if( the_globals->haveThermalTime() ){
629 <    simnfo->thermalTime = the_globals->getThermalTime();
630 <  }
541 >  if (!globals->haveRcut()){
542  
543 <  // check for the temperature set flag
543 >    the_ff->calcRcut();
544  
545 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
545 >  } else {
546 >    
547 >    the_ff->setRcut( globals->getRcut() );
548 >  }
549  
550 +  the_ff->cleanMe();
551 + }
552  
553 < //   // make the longe range forces and the integrator
553 > void SimSetup::initFromBass(void){
554 >  int i, j, k;
555 >  int n_cells;
556 >  double cellx, celly, cellz;
557 >  double temp1, temp2, temp3;
558 >  int n_per_extra;
559 >  int n_extra;
560 >  int have_extra, done;
561  
562 < //   new AllLong( simnfo );
562 >  double vel[3];
563 >  vel[0] = 0.0;
564 >  vel[1] = 0.0;
565 >  vel[2] = 0.0;
566  
567 <  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
568 <  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
569 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
644 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
567 >  temp1 = (double) tot_nmol / 4.0;
568 >  temp2 = pow(temp1, (1.0 / 3.0));
569 >  temp3 = ceil(temp2);
570  
571 +  have_extra = 0;
572 +  if (temp2 < temp3){
573 +    // we have a non-complete lattice
574 +    have_extra = 1;
575  
576 +    n_cells = (int) temp3 - 1;
577 +    cellx = info[0].boxL[0] / temp3;
578 +    celly = info[0].boxL[1] / temp3;
579 +    cellz = info[0].boxL[2] / temp3;
580 +    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
581 +    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
582 +    n_per_extra = (int) ceil(temp1);
583  
584 <  // initialize the Fortran
585 <  
586 <  simnfo->refreshSim();
587 <  
588 <  if( !strcmp( simnfo->mixingRule, "standard") ){
589 <    the_ff->initForceField( LB_MIXING_RULE );
584 >    if (n_per_extra > 4){
585 >      sprintf(painCave.errMsg,
586 >              "SimSetup error. There has been an error in constructing"
587 >              " the non-complete lattice.\n");
588 >      painCave.isFatal = 1;
589 >      simError();
590 >    }
591    }
655  else if( !strcmp( simnfo->mixingRule, "explicit") ){
656    the_ff->initForceField( EXPLICIT_MIXING_RULE );
657  }
592    else{
593 <    sprintf( painCave.errMsg,
594 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
595 <             simnfo->mixingRule );
596 <    painCave.isFatal = 1;
663 <    simError();
593 >    n_cells = (int) temp3;
594 >    cellx = info[0].boxL[0] / temp3;
595 >    celly = info[0].boxL[1] / temp3;
596 >    cellz = info[0].boxL[2] / temp3;
597    }
598  
599 +  current_mol = 0;
600 +  current_comp_mol = 0;
601 +  current_comp = 0;
602 +  current_atom_ndx = 0;
603  
604 < #ifdef IS_MPI
605 <  strcpy( checkPointMsg,
606 <          "Successfully intialized the mixingRule for Fortran." );
607 <  MPIcheckPoint();
671 < #endif // is_mpi
672 < }
604 >  for (i = 0; i < n_cells ; i++){
605 >    for (j = 0; j < n_cells; j++){
606 >      for (k = 0; k < n_cells; k++){
607 >        makeElement(i * cellx, j * celly, k * cellz);
608  
609 < void SimSetup::makeAtoms( void ){
609 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
610  
611 <  int i, j, k, index;
677 <  double ux, uy, uz, uSqr, u;
678 <  AtomStamp* current_atom;
611 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
612  
613 <  DirectionalAtom* dAtom;
614 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
613 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
614 >      }
615 >    }
616 >  }
617  
618 <  lMolIndex = 0;
619 <  molIndex = 0;
685 <  index = 0;
686 <  for( i=0; i<n_components; i++ ){
618 >  if (have_extra){
619 >    done = 0;
620  
621 <    for( j=0; j<components_nmol[i]; j++ ){
622 <
623 < #ifdef IS_MPI
624 <      if( mpiSim->getMyMolStart() <= molIndex &&
625 <          molIndex <= mpiSim->getMyMolEnd() ){
626 < #endif // is_mpi        
627 <
628 <        molStart = index;
629 <        nMemb = comp_stamps[i]->getNAtoms();
630 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
631 <          
632 <          current_atom = comp_stamps[i]->getAtom( k );
700 <          if( current_atom->haveOrientation() ){
701 <            
702 <            dAtom = new DirectionalAtom(index);
703 <            simnfo->n_oriented++;
704 <            the_atoms[index] = dAtom;
705 <            
706 <            ux = current_atom->getOrntX();
707 <            uy = current_atom->getOrntY();
708 <            uz = current_atom->getOrntZ();
709 <            
710 <            uSqr = (ux * ux) + (uy * uy) + (uz * uz);
711 <            
712 <            u = sqrt( uSqr );
713 <            ux = ux / u;
714 <            uy = uy / u;
715 <            uz = uz / u;
716 <            
717 <            dAtom->setSUx( ux );
718 <            dAtom->setSUy( uy );
719 <            dAtom->setSUz( uz );
720 <          }
721 <          else{
722 <            the_atoms[index] = new GeneralAtom(index);
723 <          }
724 <          the_atoms[index]->setType( current_atom->getType() );
725 <          the_atoms[index]->setIndex( index );
726 <          
727 <          // increment the index and repeat;
728 <          index++;
729 <        }
730 <        
731 <        molEnd = index -1;
732 <        the_molecules[lMolIndex].setNMembers( nMemb );
733 <        the_molecules[lMolIndex].setStartAtom( molStart );
734 <        the_molecules[lMolIndex].setEndAtom( molEnd );
735 <        the_molecules[lMolIndex].setStampID( i );
736 <        lMolIndex++;
621 >    int start_ndx;
622 >    for (i = 0; i < (n_cells + 1) && !done; i++){
623 >      for (j = 0; j < (n_cells + 1) && !done; j++){
624 >        if (i < n_cells){
625 >          if (j < n_cells){
626 >            start_ndx = n_cells;
627 >          }
628 >          else
629 >            start_ndx = 0;
630 >        }
631 >        else
632 >          start_ndx = 0;
633  
634 < #ifdef IS_MPI
634 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
635 >          makeElement(i * cellx, j * celly, k * cellz);
636 >          done = (current_mol >= tot_nmol);
637 >
638 >          if (!done && n_per_extra > 1){
639 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
640 >                        k * cellz);
641 >            done = (current_mol >= tot_nmol);
642 >          }
643 >
644 >          if (!done && n_per_extra > 2){
645 >            makeElement(i * cellx, j * celly + 0.5 * celly,
646 >                        k * cellz + 0.5 * cellz);
647 >            done = (current_mol >= tot_nmol);
648 >          }
649 >
650 >          if (!done && n_per_extra > 3){
651 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
652 >                        k * cellz + 0.5 * cellz);
653 >            done = (current_mol >= tot_nmol);
654 >          }
655 >        }
656        }
740 #endif //is_mpi
741      
742      molIndex++;
657      }
658    }
659  
660 < #ifdef IS_MPI
661 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
662 <    
749 <    delete[] globalIndex;
750 <
751 <    mpiSim->mpiRefresh();
752 < #endif //IS_MPI
753 <          
754 <  the_ff->initializeAtoms();
660 >  for (i = 0; i < info[0].n_atoms; i++){
661 >    info[0].atoms[i]->setVel(vel);
662 >  }
663   }
664  
665 < void SimSetup::makeBonds( void ){
665 > void SimSetup::makeElement(double x, double y, double z){
666 >  int k;
667 >  AtomStamp* current_atom;
668 >  DirectionalAtom* dAtom;
669 >  double rotMat[3][3];
670 >  double pos[3];
671  
672 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
673 <  bond_pair* the_bonds;
674 <  BondStamp* current_bond;
672 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
673 >    current_atom = comp_stamps[current_comp]->getAtom(k);
674 >    if (!current_atom->havePosition()){
675 >      sprintf(painCave.errMsg,
676 >              "SimSetup:initFromBass error.\n"
677 >              "\tComponent %s, atom %s does not have a position specified.\n"
678 >              "\tThe initialization routine is unable to give a start"
679 >              " position.\n",
680 >              comp_stamps[current_comp]->getID(), current_atom->getType());
681 >      painCave.isFatal = 1;
682 >      simError();
683 >    }
684  
685 <  the_bonds = new bond_pair[tot_bonds];
686 <  index = 0;
687 <  offset = 0;
766 <  molIndex = 0;
685 >    pos[0] = x + current_atom->getPosX();
686 >    pos[1] = y + current_atom->getPosY();
687 >    pos[2] = z + current_atom->getPosZ();
688  
689 <  for( i=0; i<n_components; i++ ){
689 >    info[0].atoms[current_atom_ndx]->setPos(pos);
690  
691 <    for( j=0; j<components_nmol[i]; j++ ){
691 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
692 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
693  
694 < #ifdef IS_MPI
695 <      if( mpiSim->getMyMolStart() <= molIndex &&
696 <          molIndex <= mpiSim->getMyMolEnd() ){
775 < #endif // is_mpi        
776 <        
777 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
778 <          
779 <          current_bond = comp_stamps[i]->getBond( k );
780 <          the_bonds[index].a = current_bond->getA() + offset;
781 <          the_bonds[index].b = current_bond->getB() + offset;
694 >      rotMat[0][0] = 1.0;
695 >      rotMat[0][1] = 0.0;
696 >      rotMat[0][2] = 0.0;
697  
698 <          exI = the_bonds[index].a;
699 <          exJ = the_bonds[index].b;
698 >      rotMat[1][0] = 0.0;
699 >      rotMat[1][1] = 1.0;
700 >      rotMat[1][2] = 0.0;
701  
702 <          // exclude_I must always be the smaller of the pair
703 <          if( exI > exJ ){
704 <            tempEx = exI;
789 <            exI = exJ;
790 <            exJ = tempEx;
791 <          }
702 >      rotMat[2][0] = 0.0;
703 >      rotMat[2][1] = 0.0;
704 >      rotMat[2][2] = 1.0;
705  
706 <          
707 < #ifdef IS_MPI
706 >      dAtom->setA(rotMat);
707 >    }
708  
709 <          the_excludes[index*2] =    
797 <            the_atoms[exI]->getGlobalIndex() + 1;
798 <          the_excludes[index*2 + 1] =
799 <            the_atoms[exJ]->getGlobalIndex() + 1;
800 <
801 < #else  // isn't MPI
802 <          
803 <          the_excludes[index*2] =     exI + 1;
804 <          the_excludes[index*2 + 1] = exJ + 1;
805 <          // fortran index from 1 (hence the +1 in the indexing)
806 < #endif  //is_mpi
807 <          
808 <          // increment the index and repeat;
809 <          index++;
810 <        }
811 <        offset += comp_stamps[i]->getNAtoms();
812 <        
813 < #ifdef IS_MPI
814 <      }
815 < #endif //is_mpi
816 <      
817 <      molIndex++;
818 <    }      
709 >    current_atom_ndx++;
710    }
711  
712 <  the_ff->initializeBonds( the_bonds );
712 >  current_mol++;
713 >  current_comp_mol++;
714 >
715 >  if (current_comp_mol >= components_nmol[current_comp]){
716 >    current_comp_mol = 0;
717 >    current_comp++;
718 >  }
719   }
720  
824 void SimSetup::makeBends( void ){
721  
722 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
723 <  bend_set* the_bends;
828 <  BendStamp* current_bend;
829 <  LinkedAssign* extras;
830 <  LinkedAssign* current_extra;
831 <  
722 > void SimSetup::gatherInfo(void){
723 >  int i;
724  
725 <  the_bends = new bend_set[tot_bends];
726 <  index = 0;
835 <  offset = 0;
836 <  molIndex = 0;
837 <  for( i=0; i<n_components; i++ ){
725 >  ensembleCase = -1;
726 >  ffCase = -1;
727  
728 <    for( j=0; j<components_nmol[i]; j++ ){
728 >  // set the easy ones first
729  
730 < #ifdef IS_MPI
731 <      if( mpiSim->getMyMolStart() <= molIndex &&
732 <          molIndex <= mpiSim->getMyMolEnd() ){
733 < #endif // is_mpi        
730 >  for (i = 0; i < nInfo; i++){
731 >    info[i].target_temp = globals->getTargetTemp();
732 >    info[i].dt = globals->getDt();
733 >    info[i].run_time = globals->getRunTime();
734 >  }
735 >  n_components = globals->getNComponents();
736  
846        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
847          
848          current_bend = comp_stamps[i]->getBend( k );
849          the_bends[index].a = current_bend->getA() + offset;
850          the_bends[index].b = current_bend->getB() + offset;
851          the_bends[index].c = current_bend->getC() + offset;
852          
853          if( current_bend->haveExtras() ){
854            
855            extras = current_bend->getExtras();
856            current_extra = extras;
857            
858            while( current_extra != NULL ){
859              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
860                
861                switch( current_extra->getType() ){
862                  
863                case 0:
864                  the_bends[index].ghost =
865                    current_extra->getInt() + offset;
866                  the_bends[index].isGhost = 1;
867                  break;
868                  
869                case 1:
870                  the_bends[index].ghost =
871                    (int)current_extra->getDouble() + offset;
872                  the_bends[index].isGhost = 1;
873                  break;
874                  
875                default:
876                  sprintf( painCave.errMsg,
877                           "SimSetup Error: ghostVectorSource was neiter a "
878                           "double nor an int.\n"
879                           "-->Bend[%d] in %s\n",
880                           k, comp_stamps[i]->getID() );
881                  painCave.isFatal = 1;
882                  simError();
883                }
884              }
885              
886              else{
887                
888                sprintf( painCave.errMsg,
889                         "SimSetup Error: unhandled bend assignment:\n"
890                         "    -->%s in Bend[%d] in %s\n",
891                         current_extra->getlhs(),
892                         k, comp_stamps[i]->getID() );
893                painCave.isFatal = 1;
894                simError();
895              }
896              
897              current_extra = current_extra->getNext();
898            }
899          }
900          
901          if( !the_bends[index].isGhost ){
902            
903            exI = the_bends[index].a;
904            exJ = the_bends[index].c;
905          }
906          else{
907            
908            exI = the_bends[index].a;
909            exJ = the_bends[index].b;
910          }
911          
912          // exclude_I must always be the smaller of the pair
913          if( exI > exJ ){
914            tempEx = exI;
915            exI = exJ;
916            exJ = tempEx;
917          }
737  
738 +  // get the forceField
739  
740 < #ifdef IS_MPI
740 >  strcpy(force_field, globals->getForceField());
741  
742 <          the_excludes[(index + tot_bonds)*2] =    
743 <            the_atoms[exI]->getGlobalIndex() + 1;
924 <          the_excludes[(index + tot_bonds)*2 + 1] =
925 <            the_atoms[exJ]->getGlobalIndex() + 1;
926 <          
927 < #else  // isn't MPI
928 <          
929 <          the_excludes[(index + tot_bonds)*2] =     exI + 1;
930 <          the_excludes[(index + tot_bonds)*2 + 1] = exJ + 1;
931 <          // fortran index from 1 (hence the +1 in the indexing)
932 < #endif  //is_mpi
933 <          
934 <          
935 <          // increment the index and repeat;
936 <          index++;
937 <        }
938 <        offset += comp_stamps[i]->getNAtoms();
939 <        
940 < #ifdef IS_MPI
941 <      }
942 < #endif //is_mpi
943 <
944 <      molIndex++;
945 <    }
742 >  if (!strcasecmp(force_field, "DUFF")){
743 >    ffCase = FF_DUFF;
744    }
745 +  else if (!strcasecmp(force_field, "LJ")){
746 +    ffCase = FF_LJ;
747 +  }
748 +  else if (!strcasecmp(force_field, "EAM")){
749 +    ffCase = FF_EAM;
750 +  }
751 +  else if (!strcasecmp(force_field, "WATER")){
752 +    ffCase = FF_H2O;
753 +  }
754 +  else{
755 +    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
756 +            force_field);
757 +         painCave.isFatal = 1;
758 +         simError();
759 +  }
760  
761 < #ifdef IS_MPI
949 <  sprintf( checkPointMsg,
950 <           "Successfully created the bends list.\n" );
951 <  MPIcheckPoint();
952 < #endif // is_mpi
953 <  
761 >    // get the ensemble
762  
763 <  the_ff->initializeBends( the_bends );
956 < }
763 >  strcpy(ensemble, globals->getEnsemble());
764  
765 < void SimSetup::makeTorsions( void ){
765 >  if (!strcasecmp(ensemble, "NVE")){
766 >    ensembleCase = NVE_ENS;
767 >  }
768 >  else if (!strcasecmp(ensemble, "NVT")){
769 >    ensembleCase = NVT_ENS;
770 >  }
771 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
772 >    ensembleCase = NPTi_ENS;
773 >  }
774 >  else if (!strcasecmp(ensemble, "NPTf")){
775 >    ensembleCase = NPTf_ENS;
776 >  }
777 >  else if (!strcasecmp(ensemble, "NPTxyz")){
778 >    ensembleCase = NPTxyz_ENS;
779 >  }
780 >  else{
781 >    sprintf(painCave.errMsg,
782 >            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
783 >            "\treverting to NVE for this simulation.\n",
784 >            ensemble);
785 >         painCave.isFatal = 0;
786 >         simError();
787 >         strcpy(ensemble, "NVE");
788 >         ensembleCase = NVE_ENS;
789 >  }  
790  
791 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
792 <  torsion_set* the_torsions;
962 <  TorsionStamp* current_torsion;
791 >  for (i = 0; i < nInfo; i++){
792 >    strcpy(info[i].ensemble, ensemble);
793  
794 <  the_torsions = new torsion_set[tot_torsions];
965 <  index = 0;
966 <  offset = 0;
967 <  molIndex = 0;
968 <  for( i=0; i<n_components; i++ ){
794 >    // get the mixing rule
795  
796 <    for( j=0; j<components_nmol[i]; j++ ){
796 >    strcpy(info[i].mixingRule, globals->getMixingRule());
797 >    info[i].usePBC = globals->getPBC();
798 >  }
799  
800 < #ifdef IS_MPI
973 <      if( mpiSim->getMyMolStart() <= molIndex &&
974 <          molIndex <= mpiSim->getMyMolEnd() ){
975 < #endif // is_mpi        
800 >  // get the components and calculate the tot_nMol and indvidual n_mol
801  
802 <      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
802 >  the_components = globals->getComponents();
803 >  components_nmol = new int[n_components];
804  
979        current_torsion = comp_stamps[i]->getTorsion( k );
980        the_torsions[index].a = current_torsion->getA() + offset;
981        the_torsions[index].b = current_torsion->getB() + offset;
982        the_torsions[index].c = current_torsion->getC() + offset;
983        the_torsions[index].d = current_torsion->getD() + offset;
805  
806 <        exI = the_torsions[index].a;
807 <        exJ = the_torsions[index].d;
806 >  if (!globals->haveNMol()){
807 >    // we don't have the total number of molecules, so we assume it is
808 >    // given in each component
809  
810 <        
811 <        // exclude_I must always be the smaller of the pair
812 <        if( exI > exJ ){
813 <          tempEx = exI;
814 <          exI = exJ;
815 <          exJ = tempEx;
816 <        }
817 <
818 <
819 < #ifdef IS_MPI
998 <        
999 <        the_excludes[(index + tot_bonds + tot_bends)*2] =    
1000 <          the_atoms[exI]->getGlobalIndex() + 1;
1001 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] =
1002 <          the_atoms[exJ]->getGlobalIndex() + 1;
1003 <        
1004 < #else  // isn't MPI
1005 <        
1006 <        the_excludes[(index + tot_bonds + tot_bends)*2] =     exI + 1;
1007 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] = exJ + 1;
1008 <        // fortran indexes from 1 (hence the +1 in the indexing)
1009 < #endif  //is_mpi
1010 <        
1011 <
1012 <        // increment the index and repeat;
1013 <        index++;
1014 <      }
1015 <      offset += comp_stamps[i]->getNAtoms();
1016 <
1017 < #ifdef IS_MPI
1018 <      }
1019 < #endif //is_mpi      
810 >    tot_nmol = 0;
811 >    for (i = 0; i < n_components; i++){
812 >      if (!the_components[i]->haveNMol()){
813 >        // we have a problem
814 >        sprintf(painCave.errMsg,
815 >                "SimSetup Error. No global NMol or component NMol given.\n"
816 >                "\tCannot calculate the number of atoms.\n");
817 >        painCave.isFatal = 1;
818 >        simError();
819 >      }
820  
821 <      molIndex++;
821 >      tot_nmol += the_components[i]->getNMol();
822 >      components_nmol[i] = the_components[i]->getNMol();
823      }
824    }
825 +  else{
826 +    sprintf(painCave.errMsg,
827 +            "SimSetup error.\n"
828 +            "\tSorry, the ability to specify total"
829 +            " nMols and then give molfractions in the components\n"
830 +            "\tis not currently supported."
831 +            " Please give nMol in the components.\n");
832 +    painCave.isFatal = 1;
833 +    simError();
834 +  }
835  
836 <  the_ff->initializeTorsions( the_torsions );
837 < }
836 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
837 >  if (globals->haveSampleTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
838 >    sprintf(painCave.errMsg,
839 >            "Sample time is not divisible by dt.\n"
840 >            "\tThis will result in samples that are not uniformly\n"
841 >            "\tdistributed in time.  If this is a problem, change\n"
842 >            "\tyour sampleTime variable.\n");
843 >    painCave.isFatal = 0;
844 >    simError();    
845 >  }
846  
847 < void SimSetup::initFromBass( void ){
847 >  if (globals->haveStatusTime() && !isDivisible(globals->getStatusTime(), globals->getDt())){
848 >    sprintf(painCave.errMsg,
849 >            "Status time is not divisible by dt.\n"
850 >            "\tThis will result in status reports that are not uniformly\n"
851 >            "\tdistributed in time.  If this is a problem, change \n"
852 >            "\tyour statusTime variable.\n");
853 >    painCave.isFatal = 0;
854 >    simError();    
855 >  }
856  
857 <  int i, j, k;
858 <  int n_cells;
859 <  double cellx, celly, cellz;
860 <  double temp1, temp2, temp3;
861 <  int n_per_extra;
862 <  int n_extra;
863 <  int have_extra, done;
857 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
858 >    sprintf(painCave.errMsg,
859 >            "Thermal time is not divisible by dt.\n"
860 >            "\tThis will result in thermalizations that are not uniformly\n"
861 >            "\tdistributed in time.  If this is a problem, change \n"
862 >            "\tyour thermalTime variable.\n");
863 >    painCave.isFatal = 0;
864 >    simError();    
865 >  }  
866  
867 <  temp1 = (double)tot_nmol / 4.0;
868 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
869 <  temp3 = ceil( temp2 );
867 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
868 >    sprintf(painCave.errMsg,
869 >            "Reset time is not divisible by dt.\n"
870 >            "\tThis will result in integrator resets that are not uniformly\n"
871 >            "\tdistributed in time.  If this is a problem, change\n"
872 >            "\tyour resetTime variable.\n");
873 >    painCave.isFatal = 0;
874 >    simError();    
875 >  }
876  
877 <  have_extra =0;
1043 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1044 <    have_extra =1;
877 >  // set the status, sample, and thermal kick times
878  
879 <    n_cells = (int)temp3 - 1;
880 <    cellx = simnfo->box_x / temp3;
881 <    celly = simnfo->box_y / temp3;
882 <    cellz = simnfo->box_z / temp3;
883 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
884 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
885 <    n_per_extra = (int)ceil( temp1 );
879 >  for (i = 0; i < nInfo; i++){
880 >    if (globals->haveSampleTime()){
881 >      info[i].sampleTime = globals->getSampleTime();
882 >      info[i].statusTime = info[i].sampleTime;
883 >    }
884 >    else{
885 >      info[i].sampleTime = globals->getRunTime();
886 >      info[i].statusTime = info[i].sampleTime;
887 >    }
888  
889 <    if( n_per_extra > 4){
890 <      sprintf( painCave.errMsg,
1056 <               "SimSetup error. There has been an error in constructing"
1057 <               " the non-complete lattice.\n" );
1058 <      painCave.isFatal = 1;
1059 <      simError();
889 >    if (globals->haveStatusTime()){
890 >      info[i].statusTime = globals->getStatusTime();
891      }
1061  }
1062  else{
1063    n_cells = (int)temp3;
1064    cellx = simnfo->box_x / temp3;
1065    celly = simnfo->box_y / temp3;
1066    cellz = simnfo->box_z / temp3;
1067  }
892  
893 <  current_mol = 0;
894 <  current_comp_mol = 0;
895 <  current_comp = 0;
896 <  current_atom_ndx = 0;
893 >    if (globals->haveThermalTime()){
894 >      info[i].thermalTime = globals->getThermalTime();
895 >    } else {
896 >      info[i].thermalTime = globals->getRunTime();
897 >    }
898  
899 <  for( i=0; i < n_cells ; i++ ){
900 <    for( j=0; j < n_cells; j++ ){
901 <      for( k=0; k < n_cells; k++ ){
899 >    info[i].resetIntegrator = 0;
900 >    if( globals->haveResetTime() ){
901 >      info[i].resetTime = globals->getResetTime();
902 >      info[i].resetIntegrator = 1;
903 >    }
904  
905 <        makeElement( i * cellx,
906 <                     j * celly,
907 <                     k * cellz );
905 >    // check for the temperature set flag
906 >    
907 >    if (globals->haveTempSet())
908 >      info[i].setTemp = globals->getTempSet();
909  
910 <        makeElement( i * cellx + 0.5 * cellx,
1083 <                     j * celly + 0.5 * celly,
1084 <                     k * cellz );
910 >    // check for the extended State init
911  
912 <        makeElement( i * cellx,
913 <                     j * celly + 0.5 * celly,
914 <                     k * cellz + 0.5 * cellz );
912 >    info[i].useInitXSstate = globals->getUseInitXSstate();
913 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
914 >    
915 >  }
916 >  
917 >  //setup seed for random number generator
918 >  int seedValue;
919  
920 <        makeElement( i * cellx + 0.5 * cellx,
921 <                     j * celly,
922 <                     k * cellz + 0.5 * cellz );
920 >  if (globals->haveSeed()){
921 >    seedValue = globals->getSeed();
922 >
923 >    if(seedValue / 1E9 == 0){
924 >      sprintf(painCave.errMsg,
925 >              "Seed for sprng library should contain at least 9 digits\n"
926 >              "OOPSE will generate a seed for user\n");
927 >      painCave.isFatal = 0;
928 >      simError();
929 >
930 >      //using seed generated by system instead of invalid seed set by user
931 > #ifndef IS_MPI
932 >      seedValue = make_sprng_seed();
933 > #else
934 >      if (worldRank == 0){
935 >        seedValue = make_sprng_seed();
936        }
937 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
938 + #endif      
939      }
940 +  }//end of if branch of globals->haveSeed()
941 +  else{
942 +    
943 + #ifndef IS_MPI
944 +    seedValue = make_sprng_seed();
945 + #else
946 +    if (worldRank == 0){
947 +      seedValue = make_sprng_seed();
948 +    }
949 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
950 + #endif
951 +  }//end of globals->haveSeed()
952 +
953 +  for (int i = 0; i < nInfo; i++){
954 +    info[i].setSeed(seedValue);
955    }
956 +  
957 + #ifdef IS_MPI
958 +  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
959 +  MPIcheckPoint();
960 + #endif // is_mpi
961 + }
962  
1097  if( have_extra ){
1098    done = 0;
963  
964 <    int start_ndx;
965 <    for( i=0; i < (n_cells+1) && !done; i++ ){
966 <      for( j=0; j < (n_cells+1) && !done; j++ ){
964 > void SimSetup::finalInfoCheck(void){
965 >  int index;
966 >  int usesDipoles;
967 >  int usesCharges;
968 >  int i;
969  
970 <        if( i < n_cells ){
970 >  for (i = 0; i < nInfo; i++){
971 >    // check electrostatic parameters
972  
973 <          if( j < n_cells ){
974 <            start_ndx = n_cells;
975 <          }
976 <          else start_ndx = 0;
977 <        }
978 <        else start_ndx = 0;
973 >    index = 0;
974 >    usesDipoles = 0;
975 >    while ((index < info[i].n_atoms) && !usesDipoles){
976 >      usesDipoles = (info[i].atoms[index])->hasDipole();
977 >      index++;
978 >    }
979 >    index = 0;
980 >    usesCharges = 0;
981 >    while ((index < info[i].n_atoms) && !usesCharges){
982 >      usesCharges= (info[i].atoms[index])->hasCharge();
983 >      index++;
984 >    }
985 > #ifdef IS_MPI
986 >    int myUse = usesDipoles;
987 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
988 > #endif //is_mpi
989  
990 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
990 >    double theRcut, theRsw;
991  
992 <          makeElement( i * cellx,
993 <                       j * celly,
1117 <                       k * cellz );
1118 <          done = ( current_mol >= tot_nmol );
992 >    if (globals->getUseRF()){
993 >      info[i].useReactionField = 1;
994  
995 <          if( !done && n_per_extra > 1 ){
996 <            makeElement( i * cellx + 0.5 * cellx,
997 <                         j * celly + 0.5 * celly,
998 <                         k * cellz );
999 <            done = ( current_mol >= tot_nmol );
1000 <          }
995 >      if (!globals->haveRcut()){
996 >        sprintf(painCave.errMsg,
997 >                "SimSetup Warning: No value was set for the cutoffRadius.\n"
998 >                "\tOOPSE will use a default value of 15.0 angstroms"
999 >                "\tfor the cutoffRadius.\n");
1000 >        painCave.isFatal = 0;
1001 >        simError();
1002 >        theRcut = 15.0;
1003 >      }
1004 >      else{
1005 >        theRcut = globals->getRcut();
1006 >      }
1007  
1008 <          if( !done && n_per_extra > 2){
1009 <            makeElement( i * cellx,
1010 <                         j * celly + 0.5 * celly,
1011 <                         k * cellz + 0.5 * cellz );
1012 <            done = ( current_mol >= tot_nmol );
1013 <          }
1008 >      if (!globals->haveRsw()){
1009 >        sprintf(painCave.errMsg,
1010 >                "SimSetup Warning: No value was set for switchingRadius.\n"
1011 >                "\tOOPSE will use a default value of\n"
1012 >                "\t0.95 * cutoffRadius for the switchingRadius\n");
1013 >        painCave.isFatal = 0;
1014 >        simError();
1015 >        theRsw = 0.95 * theRcut;
1016 >      }
1017 >      else{
1018 >        theRsw = globals->getRsw();
1019 >      }
1020  
1021 <          if( !done && n_per_extra > 3){
1022 <            makeElement( i * cellx + 0.5 * cellx,
1023 <                         j * celly,
1024 <                         k * cellz + 0.5 * cellz );
1025 <            done = ( current_mol >= tot_nmol );
1026 <          }
1027 <        }
1021 >      info[i].setDefaultRcut(theRcut, theRsw);
1022 >
1023 >      if (!globals->haveDielectric()){
1024 >        sprintf(painCave.errMsg,
1025 >                "SimSetup Error: No Dielectric constant was set.\n"
1026 >                "\tYou are trying to use Reaction Field without"
1027 >                "\tsetting a dielectric constant!\n");
1028 >        painCave.isFatal = 1;
1029 >        simError();
1030        }
1031 +      info[i].dielectric = globals->getDielectric();
1032      }
1033 +    else{
1034 +      if (usesDipoles || usesCharges){
1035 +
1036 +        if (!globals->haveRcut()){
1037 +          sprintf(painCave.errMsg,
1038 +                  "SimSetup Warning: No value was set for the cutoffRadius.\n"
1039 +                  "\tOOPSE will use a default value of 15.0 angstroms"
1040 +                  "\tfor the cutoffRadius.\n");
1041 +          painCave.isFatal = 0;
1042 +          simError();
1043 +          theRcut = 15.0;
1044 +      }
1045 +        else{
1046 +          theRcut = globals->getRcut();
1047 +        }
1048 +        
1049 +        if (!globals->haveRsw()){
1050 +          sprintf(painCave.errMsg,
1051 +                  "SimSetup Warning: No value was set for switchingRadius.\n"
1052 +                  "\tOOPSE will use a default value of\n"
1053 +                  "\t0.95 * cutoffRadius for the switchingRadius\n");
1054 +          painCave.isFatal = 0;
1055 +          simError();
1056 +          theRsw = 0.95 * theRcut;
1057 +        }
1058 +        else{
1059 +          theRsw = globals->getRsw();
1060 +        }
1061 +        
1062 +        info[i].setDefaultRcut(theRcut, theRsw);
1063 +        
1064 +      }
1065 +    }
1066    }
1067 + #ifdef IS_MPI
1068 +  strcpy(checkPointMsg, "post processing checks out");
1069 +  MPIcheckPoint();
1070 + #endif // is_mpi
1071 + }
1072 +  
1073 + void SimSetup::initSystemCoords(void){
1074 +  int i;
1075  
1076 +  char* inName;
1077  
1078 <  for( i=0; i<simnfo->n_atoms; i++ ){
1079 <    simnfo->atoms[i]->set_vx( 0.0 );
1080 <    simnfo->atoms[i]->set_vy( 0.0 );
1081 <    simnfo->atoms[i]->set_vz( 0.0 );
1078 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1079 >
1080 >  for (i = 0; i < info[0].n_atoms; i++)
1081 >    info[0].atoms[i]->setCoords();
1082 >
1083 >  if (globals->haveInitialConfig()){
1084 >    InitializeFromFile* fileInit;
1085 > #ifdef IS_MPI // is_mpi
1086 >    if (worldRank == 0){
1087 > #endif //is_mpi
1088 >      inName = globals->getInitialConfig();
1089 >      fileInit = new InitializeFromFile(inName);
1090 > #ifdef IS_MPI
1091 >    }
1092 >    else
1093 >      fileInit = new InitializeFromFile(NULL);
1094 > #endif
1095 >    fileInit->readInit(info); // default velocities on
1096 >
1097 >    delete fileInit;
1098    }
1099 +  else{
1100 +    
1101 +    // no init from bass
1102 +    
1103 +    sprintf(painCave.errMsg,
1104 +            "Cannot intialize a simulation without an initial configuration file.\n");
1105 +    painCave.isFatal = 1;;
1106 +    simError();
1107 +    
1108 +  }
1109 +
1110 + #ifdef IS_MPI
1111 +  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1112 +  MPIcheckPoint();
1113 + #endif // is_mpi
1114   }
1115  
1153 void SimSetup::makeElement( double x, double y, double z ){
1116  
1117 + void SimSetup::makeOutNames(void){
1118    int k;
1156  AtomStamp* current_atom;
1157  DirectionalAtom* dAtom;
1158  double rotMat[3][3];
1119  
1160  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1120  
1121 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1122 <    if( !current_atom->havePosition() ){
1123 <      sprintf( painCave.errMsg,
1124 <               "SimSetup:initFromBass error.\n"
1125 <               "\tComponent %s, atom %s does not have a position specified.\n"
1126 <               "\tThe initialization routine is unable to give a start"
1127 <               " position.\n",
1128 <               comp_stamps[current_comp]->getID(),
1129 <               current_atom->getType() );
1121 >  for (k = 0; k < nInfo; k++){
1122 > #ifdef IS_MPI
1123 >    if (worldRank == 0){
1124 > #endif // is_mpi
1125 >
1126 >      if (globals->haveFinalConfig()){
1127 >        strcpy(info[k].finalName, globals->getFinalConfig());
1128 >      }
1129 >      else{
1130 >        strcpy(info[k].finalName, inFileName);
1131 >        char* endTest;
1132 >        int nameLength = strlen(info[k].finalName);
1133 >        endTest = &(info[k].finalName[nameLength - 5]);
1134 >        if (!strcmp(endTest, ".bass")){
1135 >          strcpy(endTest, ".eor");
1136 >        }
1137 >        else if (!strcmp(endTest, ".BASS")){
1138 >          strcpy(endTest, ".eor");
1139 >        }
1140 >        else{
1141 >          endTest = &(info[k].finalName[nameLength - 4]);
1142 >          if (!strcmp(endTest, ".bss")){
1143 >            strcpy(endTest, ".eor");
1144 >          }
1145 >          else if (!strcmp(endTest, ".mdl")){
1146 >            strcpy(endTest, ".eor");
1147 >          }
1148 >          else{
1149 >            strcat(info[k].finalName, ".eor");
1150 >          }
1151 >        }
1152 >      }
1153 >
1154 >      // make the sample and status out names
1155 >
1156 >      strcpy(info[k].sampleName, inFileName);
1157 >      char* endTest;
1158 >      int nameLength = strlen(info[k].sampleName);
1159 >      endTest = &(info[k].sampleName[nameLength - 5]);
1160 >      if (!strcmp(endTest, ".bass")){
1161 >        strcpy(endTest, ".dump");
1162 >      }
1163 >      else if (!strcmp(endTest, ".BASS")){
1164 >        strcpy(endTest, ".dump");
1165 >      }
1166 >      else{
1167 >        endTest = &(info[k].sampleName[nameLength - 4]);
1168 >        if (!strcmp(endTest, ".bss")){
1169 >          strcpy(endTest, ".dump");
1170 >        }
1171 >        else if (!strcmp(endTest, ".mdl")){
1172 >          strcpy(endTest, ".dump");
1173 >        }
1174 >        else{
1175 >          strcat(info[k].sampleName, ".dump");
1176 >        }
1177 >      }
1178 >
1179 >      strcpy(info[k].statusName, inFileName);
1180 >      nameLength = strlen(info[k].statusName);
1181 >      endTest = &(info[k].statusName[nameLength - 5]);
1182 >      if (!strcmp(endTest, ".bass")){
1183 >        strcpy(endTest, ".stat");
1184 >      }
1185 >      else if (!strcmp(endTest, ".BASS")){
1186 >        strcpy(endTest, ".stat");
1187 >      }
1188 >      else{
1189 >        endTest = &(info[k].statusName[nameLength - 4]);
1190 >        if (!strcmp(endTest, ".bss")){
1191 >          strcpy(endTest, ".stat");
1192 >        }
1193 >        else if (!strcmp(endTest, ".mdl")){
1194 >          strcpy(endTest, ".stat");
1195 >        }
1196 >        else{
1197 >          strcat(info[k].statusName, ".stat");
1198 >        }
1199 >      }
1200 >
1201 > #ifdef IS_MPI
1202 >
1203 >    }
1204 > #endif // is_mpi
1205 >  }
1206 > }
1207 >
1208 >
1209 > void SimSetup::sysObjectsCreation(void){
1210 >  int i, k;
1211 >
1212 >  // create the forceField
1213 >
1214 >  createFF();
1215 >
1216 >  // extract componentList
1217 >
1218 >  compList();
1219 >
1220 >  // calc the number of atoms, bond, bends, and torsions
1221 >
1222 >  calcSysValues();
1223 >
1224 > #ifdef IS_MPI
1225 >  // divide the molecules among the processors
1226 >
1227 >  mpiMolDivide();
1228 > #endif //is_mpi
1229 >
1230 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1231 >
1232 >  makeSysArrays();
1233 >
1234 >  // make and initialize the molecules (all but atomic coordinates)
1235 >
1236 >  makeMolecules();
1237 >
1238 >  for (k = 0; k < nInfo; k++){
1239 >    info[k].identArray = new int[info[k].n_atoms];
1240 >    for (i = 0; i < info[k].n_atoms; i++){
1241 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1242 >    }
1243 >  }
1244 > }
1245 >
1246 >
1247 > void SimSetup::createFF(void){
1248 >  switch (ffCase){
1249 >    case FF_DUFF:
1250 >      the_ff = new DUFF();
1251 >      break;
1252 >
1253 >    case FF_LJ:
1254 >      the_ff = new LJFF();
1255 >      break;
1256 >
1257 >    case FF_EAM:
1258 >      the_ff = new EAM_FF();
1259 >      break;
1260 >
1261 >    case FF_H2O:
1262 >      the_ff = new WATER();
1263 >      break;
1264 >
1265 >    default:
1266 >      sprintf(painCave.errMsg,
1267 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1268        painCave.isFatal = 1;
1269        simError();
1270 +  }
1271 +
1272 + #ifdef IS_MPI
1273 +  strcpy(checkPointMsg, "ForceField creation successful");
1274 +  MPIcheckPoint();
1275 + #endif // is_mpi
1276 + }
1277 +
1278 +
1279 + void SimSetup::compList(void){
1280 +  int i;
1281 +  char* id;
1282 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1283 +  LinkedMolStamp* currentStamp = NULL;
1284 +  comp_stamps = new MoleculeStamp * [n_components];
1285 +
1286 +  // make an array of molecule stamps that match the components used.
1287 +  // also extract the used stamps out into a separate linked list
1288 +
1289 +  for (i = 0; i < nInfo; i++){
1290 +    info[i].nComponents = n_components;
1291 +    info[i].componentsNmol = components_nmol;
1292 +    info[i].compStamps = comp_stamps;
1293 +    info[i].headStamp = headStamp;
1294 +  }
1295 +
1296 +
1297 +  for (i = 0; i < n_components; i++){
1298 +    id = the_components[i]->getType();
1299 +    comp_stamps[i] = NULL;
1300 +
1301 +    // check to make sure the component isn't already in the list
1302 +
1303 +    comp_stamps[i] = headStamp->match(id);
1304 +    if (comp_stamps[i] == NULL){
1305 +      // extract the component from the list;
1306 +
1307 +      currentStamp = stamps->extractMolStamp(id);
1308 +      if (currentStamp == NULL){
1309 +        sprintf(painCave.errMsg,
1310 +                "SimSetup error: Component \"%s\" was not found in the "
1311 +                "list of declared molecules\n",
1312 +                id);
1313 +        painCave.isFatal = 1;
1314 +        simError();
1315 +      }
1316 +
1317 +      headStamp->add(currentStamp);
1318 +      comp_stamps[i] = headStamp->match(id);
1319      }
1320 +  }
1321  
1322 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1323 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1324 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1322 > #ifdef IS_MPI
1323 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1324 >  MPIcheckPoint();
1325 > #endif // is_mpi
1326 > }
1327  
1328 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1328 > void SimSetup::calcSysValues(void){
1329 >  int i;
1330  
1331 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1331 >  int* molMembershipArray;
1332  
1333 <      rotMat[0][0] = 1.0;
1334 <      rotMat[0][1] = 0.0;
1335 <      rotMat[0][2] = 0.0;
1333 >  tot_atoms = 0;
1334 >  tot_bonds = 0;
1335 >  tot_bends = 0;
1336 >  tot_torsions = 0;
1337 >  tot_rigid = 0;
1338 >  for (i = 0; i < n_components; i++){
1339 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1340 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1341 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1342 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1343 >    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1344 >  }
1345 >  
1346 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1347 >  molMembershipArray = new int[tot_atoms];
1348  
1349 <      rotMat[1][0] = 0.0;
1350 <      rotMat[1][1] = 1.0;
1351 <      rotMat[1][2] = 0.0;
1349 >  for (i = 0; i < nInfo; i++){
1350 >    info[i].n_atoms = tot_atoms;
1351 >    info[i].n_bonds = tot_bonds;
1352 >    info[i].n_bends = tot_bends;
1353 >    info[i].n_torsions = tot_torsions;
1354 >    info[i].n_SRI = tot_SRI;
1355 >    info[i].n_mol = tot_nmol;
1356  
1357 <      rotMat[2][0] = 0.0;
1358 <      rotMat[2][1] = 0.0;
1359 <      rotMat[2][2] = 1.0;
1357 >    info[i].molMembershipArray = molMembershipArray;
1358 >  }
1359 > }
1360  
1361 <      dAtom->setA( rotMat );
1361 > #ifdef IS_MPI
1362 >
1363 > void SimSetup::mpiMolDivide(void){
1364 >  int i, j, k;
1365 >  int localMol, allMol;
1366 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1367 >  int local_rigid;
1368 >  vector<int> globalMolIndex;
1369 >
1370 >  mpiSim = new mpiSimulation(info);
1371 >
1372 >  mpiSim->divideLabor();
1373 >  globalAtomIndex = mpiSim->getGlobalAtomIndex();
1374 >  //globalMolIndex = mpiSim->getGlobalMolIndex();
1375 >
1376 >  // set up the local variables
1377 >
1378 >  mol2proc = mpiSim->getMolToProcMap();
1379 >  molCompType = mpiSim->getMolComponentType();
1380 >
1381 >  allMol = 0;
1382 >  localMol = 0;
1383 >  local_atoms = 0;
1384 >  local_bonds = 0;
1385 >  local_bends = 0;
1386 >  local_torsions = 0;
1387 >  local_rigid = 0;
1388 >  globalAtomCounter = 0;
1389 >
1390 >  for (i = 0; i < n_components; i++){
1391 >    for (j = 0; j < components_nmol[i]; j++){
1392 >      if (mol2proc[allMol] == worldRank){
1393 >        local_atoms += comp_stamps[i]->getNAtoms();
1394 >        local_bonds += comp_stamps[i]->getNBonds();
1395 >        local_bends += comp_stamps[i]->getNBends();
1396 >        local_torsions += comp_stamps[i]->getNTorsions();
1397 >        local_rigid += comp_stamps[i]->getNRigidBodies();
1398 >        localMol++;
1399 >      }      
1400 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1401 >        info[0].molMembershipArray[globalAtomCounter] = allMol;
1402 >        globalAtomCounter++;
1403 >      }
1404 >
1405 >      allMol++;
1406      }
1407 +  }
1408 +  local_SRI = local_bonds + local_bends + local_torsions;
1409  
1410 <    current_atom_ndx++;
1410 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1411 >  
1412 >
1413 >  if (local_atoms != info[0].n_atoms){
1414 >    sprintf(painCave.errMsg,
1415 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1416 >            "\tlocalAtom (%d) are not equal.\n",
1417 >            info[0].n_atoms, local_atoms);
1418 >    painCave.isFatal = 1;
1419 >    simError();
1420    }
1421  
1422 <  current_mol++;
1423 <  current_comp_mol++;
1422 >  info[0].n_bonds = local_bonds;
1423 >  info[0].n_bends = local_bends;
1424 >  info[0].n_torsions = local_torsions;
1425 >  info[0].n_SRI = local_SRI;
1426 >  info[0].n_mol = localMol;
1427  
1428 <  if( current_comp_mol >= components_nmol[current_comp] ){
1428 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1429 >  MPIcheckPoint();
1430 > }
1431  
1432 <    current_comp_mol = 0;
1433 <    current_comp++;
1432 > #endif // is_mpi
1433 >
1434 >
1435 > void SimSetup::makeSysArrays(void){
1436 >
1437 > #ifndef IS_MPI
1438 >  int k, j;
1439 > #endif // is_mpi
1440 >  int i, l;
1441 >
1442 >  Atom** the_atoms;
1443 >  Molecule* the_molecules;
1444 >
1445 >  for (l = 0; l < nInfo; l++){
1446 >    // create the atom and short range interaction arrays
1447 >
1448 >    the_atoms = new Atom * [info[l].n_atoms];
1449 >    the_molecules = new Molecule[info[l].n_mol];
1450 >    int molIndex;
1451 >
1452 >    // initialize the molecule's stampID's
1453 >
1454 > #ifdef IS_MPI
1455 >
1456 >
1457 >    molIndex = 0;
1458 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1459 >      if (mol2proc[i] == worldRank){
1460 >        the_molecules[molIndex].setStampID(molCompType[i]);
1461 >        the_molecules[molIndex].setMyIndex(molIndex);
1462 >        the_molecules[molIndex].setGlobalIndex(i);
1463 >        molIndex++;
1464 >      }
1465 >    }
1466 >
1467 > #else // is_mpi
1468 >
1469 >    molIndex = 0;
1470 >    globalAtomCounter = 0;
1471 >    for (i = 0; i < n_components; i++){
1472 >      for (j = 0; j < components_nmol[i]; j++){
1473 >        the_molecules[molIndex].setStampID(i);
1474 >        the_molecules[molIndex].setMyIndex(molIndex);
1475 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1476 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1477 >          info[l].molMembershipArray[globalAtomCounter] = molIndex;
1478 >          globalAtomCounter++;
1479 >        }
1480 >        molIndex++;
1481 >      }
1482 >    }
1483 >
1484 >
1485 > #endif // is_mpi
1486 >
1487 >    info[l].globalExcludes = new int;
1488 >    info[l].globalExcludes[0] = 0;
1489 >    
1490 >    // set the arrays into the SimInfo object
1491 >
1492 >    info[l].atoms = the_atoms;
1493 >    info[l].molecules = the_molecules;
1494 >    info[l].nGlobalExcludes = 0;
1495 >
1496 >    the_ff->setSimInfo(info);
1497    }
1498   }
1499 +
1500 + void SimSetup::makeIntegrator(void){
1501 +  int k;
1502 +
1503 +  NVE<RealIntegrator>* myNVE = NULL;
1504 +  NVT<RealIntegrator>* myNVT = NULL;
1505 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1506 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1507 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1508 +  
1509 +  for (k = 0; k < nInfo; k++){
1510 +    switch (ensembleCase){
1511 +      case NVE_ENS:
1512 +        if (globals->haveZconstraints()){
1513 +          setupZConstraint(info[k]);
1514 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1515 +        }
1516 +        else{
1517 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1518 +        }
1519 +        
1520 +        info->the_integrator = myNVE;
1521 +        break;
1522 +
1523 +      case NVT_ENS:
1524 +        if (globals->haveZconstraints()){
1525 +          setupZConstraint(info[k]);
1526 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1527 +        }
1528 +        else
1529 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1530 +
1531 +        myNVT->setTargetTemp(globals->getTargetTemp());
1532 +
1533 +        if (globals->haveTauThermostat())
1534 +          myNVT->setTauThermostat(globals->getTauThermostat());
1535 +        else{
1536 +          sprintf(painCave.errMsg,
1537 +                  "SimSetup error: If you use the NVT\n"
1538 +                  "\tensemble, you must set tauThermostat.\n");
1539 +          painCave.isFatal = 1;
1540 +          simError();
1541 +        }
1542 +
1543 +        info->the_integrator = myNVT;
1544 +        break;
1545 +
1546 +      case NPTi_ENS:
1547 +        if (globals->haveZconstraints()){
1548 +          setupZConstraint(info[k]);
1549 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1550 +        }
1551 +        else
1552 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1553 +
1554 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1555 +
1556 +        if (globals->haveTargetPressure())
1557 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1558 +        else{
1559 +          sprintf(painCave.errMsg,
1560 +                  "SimSetup error: If you use a constant pressure\n"
1561 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1562 +          painCave.isFatal = 1;
1563 +          simError();
1564 +        }
1565 +
1566 +        if (globals->haveTauThermostat())
1567 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1568 +        else{
1569 +          sprintf(painCave.errMsg,
1570 +                  "SimSetup error: If you use an NPT\n"
1571 +                  "\tensemble, you must set tauThermostat.\n");
1572 +          painCave.isFatal = 1;
1573 +          simError();
1574 +        }
1575 +
1576 +        if (globals->haveTauBarostat())
1577 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1578 +        else{
1579 +          sprintf(painCave.errMsg,
1580 +                  "SimSetup error: If you use an NPT\n"
1581 +                  "\tensemble, you must set tauBarostat.\n");
1582 +          painCave.isFatal = 1;
1583 +          simError();
1584 +        }
1585 +
1586 +        info->the_integrator = myNPTi;
1587 +        break;
1588 +
1589 +      case NPTf_ENS:
1590 +        if (globals->haveZconstraints()){
1591 +          setupZConstraint(info[k]);
1592 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1593 +        }
1594 +        else
1595 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1596 +
1597 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1598 +
1599 +        if (globals->haveTargetPressure())
1600 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1601 +        else{
1602 +          sprintf(painCave.errMsg,
1603 +                  "SimSetup error: If you use a constant pressure\n"
1604 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1605 +          painCave.isFatal = 1;
1606 +          simError();
1607 +        }    
1608 +
1609 +        if (globals->haveTauThermostat())
1610 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1611 +
1612 +        else{
1613 +          sprintf(painCave.errMsg,
1614 +                  "SimSetup error: If you use an NPT\n"
1615 +                  "\tensemble, you must set tauThermostat.\n");
1616 +          painCave.isFatal = 1;
1617 +          simError();
1618 +        }
1619 +
1620 +        if (globals->haveTauBarostat())
1621 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1622 +
1623 +        else{
1624 +          sprintf(painCave.errMsg,
1625 +                  "SimSetup error: If you use an NPT\n"
1626 +                  "\tensemble, you must set tauBarostat.\n");
1627 +          painCave.isFatal = 1;
1628 +          simError();
1629 +        }
1630 +
1631 +        info->the_integrator = myNPTf;
1632 +        break;
1633 +
1634 +      case NPTxyz_ENS:
1635 +        if (globals->haveZconstraints()){
1636 +          setupZConstraint(info[k]);
1637 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1638 +        }
1639 +        else
1640 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1641 +
1642 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1643 +
1644 +        if (globals->haveTargetPressure())
1645 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1646 +        else{
1647 +          sprintf(painCave.errMsg,
1648 +                  "SimSetup error: If you use a constant pressure\n"
1649 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1650 +          painCave.isFatal = 1;
1651 +          simError();
1652 +        }    
1653 +
1654 +        if (globals->haveTauThermostat())
1655 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1656 +        else{
1657 +          sprintf(painCave.errMsg,
1658 +                  "SimSetup error: If you use an NPT\n"
1659 +                  "\tensemble, you must set tauThermostat.\n");
1660 +          painCave.isFatal = 1;
1661 +          simError();
1662 +        }
1663 +
1664 +        if (globals->haveTauBarostat())
1665 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1666 +        else{
1667 +          sprintf(painCave.errMsg,
1668 +                  "SimSetup error: If you use an NPT\n"
1669 +                  "\tensemble, you must set tauBarostat.\n");
1670 +          painCave.isFatal = 1;
1671 +          simError();
1672 +        }
1673 +
1674 +        info->the_integrator = myNPTxyz;
1675 +        break;
1676 +
1677 +      default:
1678 +        sprintf(painCave.errMsg,
1679 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1680 +        painCave.isFatal = 1;
1681 +        simError();
1682 +    }
1683 +  }
1684 + }
1685 +
1686 + void SimSetup::initFortran(void){
1687 +  info[0].refreshSim();
1688 +
1689 +  if (!strcmp(info[0].mixingRule, "standard")){
1690 +    the_ff->initForceField(LB_MIXING_RULE);
1691 +  }
1692 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1693 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1694 +  }
1695 +  else{
1696 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1697 +            info[0].mixingRule);
1698 +    painCave.isFatal = 1;
1699 +    simError();
1700 +  }
1701 +
1702 +
1703 + #ifdef IS_MPI
1704 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1705 +  MPIcheckPoint();
1706 + #endif // is_mpi
1707 + }
1708 +
1709 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1710 +  int nZConstraints;
1711 +  ZconStamp** zconStamp;
1712 +
1713 +  if (globals->haveZconstraintTime()){
1714 +    //add sample time of z-constraint  into SimInfo's property list                    
1715 +    DoubleData* zconsTimeProp = new DoubleData();
1716 +    zconsTimeProp->setID(ZCONSTIME_ID);
1717 +    zconsTimeProp->setData(globals->getZconsTime());
1718 +    theInfo.addProperty(zconsTimeProp);
1719 +  }
1720 +  else{
1721 +    sprintf(painCave.errMsg,
1722 +            "ZConstraint error: If you use a ZConstraint,\n"
1723 +            "\tyou must set zconsTime.\n");
1724 +    painCave.isFatal = 1;
1725 +    simError();
1726 +  }
1727 +
1728 +  //push zconsTol into siminfo, if user does not specify
1729 +  //value for zconsTol, a default value will be used
1730 +  DoubleData* zconsTol = new DoubleData();
1731 +  zconsTol->setID(ZCONSTOL_ID);
1732 +  if (globals->haveZconsTol()){
1733 +    zconsTol->setData(globals->getZconsTol());
1734 +  }
1735 +  else{
1736 +    double defaultZConsTol = 0.01;
1737 +    sprintf(painCave.errMsg,
1738 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1739 +            "\tOOPSE will use a default value of %f.\n"
1740 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1741 +            defaultZConsTol);
1742 +    painCave.isFatal = 0;
1743 +    simError();      
1744 +
1745 +    zconsTol->setData(defaultZConsTol);
1746 +  }
1747 +  theInfo.addProperty(zconsTol);
1748 +
1749 +  //set Force Subtraction Policy
1750 +  StringData* zconsForcePolicy = new StringData();
1751 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1752 +
1753 +  if (globals->haveZconsForcePolicy()){
1754 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1755 +  }
1756 +  else{
1757 +    sprintf(painCave.errMsg,
1758 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1759 +            "\tOOPSE will use PolicyByMass.\n"
1760 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1761 +    painCave.isFatal = 0;
1762 +    simError();
1763 +    zconsForcePolicy->setData("BYMASS");
1764 +  }
1765 +
1766 +  theInfo.addProperty(zconsForcePolicy);
1767 +
1768 +  //set zcons gap
1769 +  DoubleData* zconsGap = new DoubleData();
1770 +  zconsGap->setID(ZCONSGAP_ID);
1771 +
1772 +  if (globals->haveZConsGap()){
1773 +    zconsGap->setData(globals->getZconsGap());
1774 +    theInfo.addProperty(zconsGap);  
1775 +  }
1776 +
1777 +  //set zcons fixtime
1778 +  DoubleData* zconsFixtime = new DoubleData();
1779 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
1780 +
1781 +  if (globals->haveZConsFixTime()){
1782 +    zconsFixtime->setData(globals->getZconsFixtime());
1783 +    theInfo.addProperty(zconsFixtime);  
1784 +  }
1785 +
1786 +  //set zconsUsingSMD
1787 +  IntData* zconsUsingSMD = new IntData();
1788 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
1789 +
1790 +  if (globals->haveZConsUsingSMD()){
1791 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
1792 +    theInfo.addProperty(zconsUsingSMD);  
1793 +  }
1794 +
1795 +  //Determine the name of ouput file and add it into SimInfo's property list
1796 +  //Be careful, do not use inFileName, since it is a pointer which
1797 +  //point to a string at master node, and slave nodes do not contain that string
1798 +
1799 +  string zconsOutput(theInfo.finalName);
1800 +
1801 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1802 +
1803 +  StringData* zconsFilename = new StringData();
1804 +  zconsFilename->setID(ZCONSFILENAME_ID);
1805 +  zconsFilename->setData(zconsOutput);
1806 +
1807 +  theInfo.addProperty(zconsFilename);
1808 +
1809 +  //setup index, pos and other parameters of z-constraint molecules
1810 +  nZConstraints = globals->getNzConstraints();
1811 +  theInfo.nZconstraints = nZConstraints;
1812 +
1813 +  zconStamp = globals->getZconStamp();
1814 +  ZConsParaItem tempParaItem;
1815 +
1816 +  ZConsParaData* zconsParaData = new ZConsParaData();
1817 +  zconsParaData->setID(ZCONSPARADATA_ID);
1818 +
1819 +  for (int i = 0; i < nZConstraints; i++){
1820 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1821 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1822 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1823 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1824 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
1825 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
1826 +    zconsParaData->addItem(tempParaItem);
1827 +  }
1828 +
1829 +  //check the uniqueness of index  
1830 +  if(!zconsParaData->isIndexUnique()){
1831 +    sprintf(painCave.errMsg,
1832 +            "ZConstraint Error: molIndex is not unique!\n");
1833 +    painCave.isFatal = 1;
1834 +    simError();
1835 +  }
1836 +
1837 +  //sort the parameters by index of molecules
1838 +  zconsParaData->sortByIndex();
1839 +  
1840 +  //push data into siminfo, therefore, we can retrieve later
1841 +  theInfo.addProperty(zconsParaData);
1842 + }
1843 +
1844 + void SimSetup::makeMinimizer(){
1845 +
1846 +  OOPSEMinimizer* myOOPSEMinimizer;
1847 +  MinimizerParameterSet* param;
1848 +  char minimizerName[100];
1849 +  
1850 +  for (int i = 0; i < nInfo; i++){
1851 +    
1852 +    //prepare parameter set for minimizer
1853 +    param = new MinimizerParameterSet();
1854 +    param->setDefaultParameter();
1855 +
1856 +    if (globals->haveMinimizer()){
1857 +      param->setFTol(globals->getMinFTol());
1858 +    }
1859 +
1860 +    if (globals->haveMinGTol()){
1861 +      param->setGTol(globals->getMinGTol());
1862 +    }
1863 +
1864 +    if (globals->haveMinMaxIter()){
1865 +      param->setMaxIteration(globals->getMinMaxIter());
1866 +    }
1867 +
1868 +    if (globals->haveMinWriteFrq()){
1869 +      param->setMaxIteration(globals->getMinMaxIter());
1870 +    }
1871 +
1872 +    if (globals->haveMinWriteFrq()){
1873 +      param->setWriteFrq(globals->getMinWriteFrq());
1874 +    }
1875 +    
1876 +    if (globals->haveMinStepSize()){
1877 +      param->setStepSize(globals->getMinStepSize());
1878 +    }
1879 +
1880 +    if (globals->haveMinLSMaxIter()){
1881 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1882 +    }    
1883 +
1884 +    if (globals->haveMinLSTol()){
1885 +      param->setLineSearchTol(globals->getMinLSTol());
1886 +    }    
1887 +
1888 +    strcpy(minimizerName, globals->getMinimizer());
1889 +
1890 +    if (!strcasecmp(minimizerName, "CG")){
1891 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1892 +    }
1893 +    else if (!strcasecmp(minimizerName, "SD")){
1894 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1895 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1896 +    }
1897 +    else{
1898 +          sprintf(painCave.errMsg,
1899 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
1900 +          painCave.isFatal = 0;
1901 +          simError();
1902 +
1903 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
1904 +    }
1905 +     info[i].the_integrator = myOOPSEMinimizer;
1906 +
1907 +     //store the minimizer into simInfo
1908 +     info[i].the_minimizer = myOOPSEMinimizer;
1909 +     info[i].has_minimizer = true;
1910 +  }
1911 +
1912 + }

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