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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 435 by mmeineke, Fri Mar 28 19:33:37 2003 UTC vs.
Revision 1104 by gezelter, Tue Apr 13 16:26:03 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_Ex" ) ) the_ff = new TraPPE_ExFF();
92 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
93 <  else{
94 <    sprintf( painCave.errMsg,
95 <             "SimSetup Error. Unrecognized force field -> %s\n",
96 <             force_field );
97 <    painCave.isFatal = 1;
98 <    simError();
99 <  }
138 >  // initialize the system coordinates
139  
140 < #ifdef IS_MPI
141 <  strcpy( checkPointMsg, "ForceField creation successful" );
103 <  MPIcheckPoint();
104 < #endif // is_mpi
140 >  if ( !initSuspend ){
141 >    initSystemCoords();
142  
143 <  
143 >    if( !(globals->getUseInitTime()) )
144 >      info[0].currentTime = 0.0;
145 >  }  
146  
147 <  // get the components and calculate the tot_nMol and indvidual n_mol
109 <  the_components = the_globals->getComponents();
110 <  components_nmol = new int[n_components];
111 <  comp_stamps = new MoleculeStamp*[n_components];
147 >  // make the output filenames
148  
149 <  if( !the_globals->haveNMol() ){
114 <    // we don't have the total number of molecules, so we assume it is
115 <    // given in each component
149 >  makeOutNames();
150  
151 <    tot_nmol = 0;
152 <    for( i=0; i<n_components; i++ ){
151 >  if (globals->haveMinimizer())
152 >    // make minimizer
153 >    makeMinimizer();
154 >  else
155 >    // make the integrator
156 >    makeIntegrator();
157 >  
158 > #ifdef IS_MPI
159 >  mpiSim->mpiRefresh();
160 > #endif
161  
162 <      if( !the_components[i]->haveNMol() ){
121 <        // we have a problem
122 <        sprintf( painCave.errMsg,
123 <                 "SimSetup Error. No global NMol or component NMol"
124 <                 " given. Cannot calculate the number of atoms.\n" );
125 <        painCave.isFatal = 1;
126 <        simError();
127 <      }
162 >  // initialize the Fortran
163  
164 <      tot_nmol += the_components[i]->getNMol();
165 <      components_nmol[i] = the_components[i]->getNMol();
131 <    }
132 <  }
133 <  else{
134 <    sprintf( painCave.errMsg,
135 <             "SimSetup error.\n"
136 <             "\tSorry, the ability to specify total"
137 <             " nMols and then give molfractions in the components\n"
138 <             "\tis not currently supported."
139 <             " Please give nMol in the components.\n" );
140 <    painCave.isFatal = 1;
141 <    simError();
142 <    
143 <    
144 <    //     tot_nmol = the_globals->getNMol();
145 <    
146 <    //   //we have the total number of molecules, now we check for molfractions
147 <    //     for( i=0; i<n_components; i++ ){
148 <    
149 <    //       if( !the_components[i]->haveMolFraction() ){
150 <    
151 <    //  if( !the_components[i]->haveNMol() ){
152 <    //    //we have a problem
153 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
154 <    //              << " nMol was given in component
155 <    
156 <  }
164 >  initFortran();
165 > }
166  
158 #ifdef IS_MPI
159  strcpy( checkPointMsg, "Have the number of components" );
160  MPIcheckPoint();
161 #endif // is_mpi
167  
168 <  // make an array of molecule stamps that match the components used.
169 <  // also extract the used stamps out into a separate linked list
168 > void SimSetup::makeMolecules(void){
169 >  int i, j, k;
170 >  int exI, exJ, exK, exL, slI, slJ;
171 >  int tempI, tempJ, tempK, tempL;
172 >  int molI;
173 >  int stampID, atomOffset, rbOffset;
174 >  molInit molInfo;
175 >  DirectionalAtom* dAtom;
176 >  RigidBody* myRB;
177 >  StuntDouble* mySD;
178 >  LinkedAssign* extras;
179 >  LinkedAssign* current_extra;
180 >  AtomStamp* currentAtom;
181 >  BondStamp* currentBond;
182 >  BendStamp* currentBend;
183 >  TorsionStamp* currentTorsion;
184 >  RigidBodyStamp* currentRigidBody;
185  
186 <  simnfo->nComponents = n_components;
187 <  simnfo->componentsNmol = components_nmol;
188 <  simnfo->compStamps = comp_stamps;
169 <  simnfo->headStamp = new LinkedMolStamp();
170 <  
171 <  char* id;
172 <  LinkedMolStamp* headStamp = simnfo->headStamp;
173 <  LinkedMolStamp* currentStamp = NULL;
174 <  for( i=0; i<n_components; i++ ){
186 >  bond_pair* theBonds;
187 >  bend_set* theBends;
188 >  torsion_set* theTorsions;
189  
190 <    id = the_components[i]->getType();
177 <    comp_stamps[i] = NULL;
178 <    
179 <    // check to make sure the component isn't already in the list
190 >  set<int> skipList;
191  
192 <    comp_stamps[i] = headStamp->match( id );
182 <    if( comp_stamps[i] == NULL ){
183 <      
184 <      // extract the component from the list;
185 <      
186 <      currentStamp = the_stamps->extractMolStamp( id );
187 <      if( currentStamp == NULL ){
188 <        sprintf( painCave.errMsg,
189 <                 "SimSetup error: Component \"%s\" was not found in the "
190 <                 "list of declared molecules\n",
191 <                 id );
192 <        painCave.isFatal = 1;
193 <        simError();
194 <      }
195 <      
196 <      headStamp->add( currentStamp );
197 <      comp_stamps[i] = headStamp->match( id );
198 <    }
199 <  }
192 >  double phi, theta, psi;
193  
194 < #ifdef IS_MPI
202 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
203 <  MPIcheckPoint();
204 < #endif // is_mpi
205 <  
194 >  //init the forceField paramters
195  
196 +  the_ff->readParams();
197  
198 +  // init the atoms
199  
200 <  // caclulate the number of atoms, bonds, bends and torsions
200 >  int nMembers, nNew, rb1, rb2;
201  
202 <  tot_atoms = 0;
203 <  tot_bonds = 0;
213 <  tot_bends = 0;
214 <  tot_torsions = 0;
215 <  for( i=0; i<n_components; i++ ){
216 <    
217 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
218 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
219 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
220 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
221 <  }
202 >  for (k = 0; k < nInfo; k++){
203 >    the_ff->setSimInfo(&(info[k]));
204  
205 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
205 >    atomOffset = 0;
206  
207 <  simnfo->n_atoms = tot_atoms;
208 <  simnfo->n_bonds = tot_bonds;
227 <  simnfo->n_bends = tot_bends;
228 <  simnfo->n_torsions = tot_torsions;
229 <  simnfo->n_SRI = tot_SRI;
230 <  simnfo->n_mol = tot_nmol;
207 >    for (i = 0; i < info[k].n_mol; i++){
208 >      stampID = info[k].molecules[i].getStampID();
209  
210 <  
211 < #ifdef IS_MPI
210 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
211 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
212 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
213 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
214 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
215 >      
216 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
217  
218 <  // divide the molecules among processors here.
219 <  
220 <  mpiSim = new mpiSimulation( simnfo );
221 <  
239 <  
218 >      if (molInfo.nBonds > 0)
219 >        molInfo.myBonds = new (Bond *) [molInfo.nBonds];
220 >      else
221 >        molInfo.myBonds = NULL;
222  
223 <  globalIndex = mpiSim->divideLabor();
223 >      if (molInfo.nBends > 0)
224 >        molInfo.myBends = new (Bend *) [molInfo.nBends];
225 >      else
226 >        molInfo.myBends = NULL;
227  
228 <  // set up the local variables
229 <  
230 <  int localMol, allMol;
231 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
228 >      if (molInfo.nTorsions > 0)
229 >        molInfo.myTorsions = new (Torsion *) [molInfo.nTorsions];
230 >      else
231 >        molInfo.myTorsions = NULL;
232  
233 <  int* mol2proc = mpiSim->getMolToProcMap();
234 <  int* molCompType = mpiSim->getMolComponentType();
235 <  
251 <  allMol = 0;
252 <  localMol = 0;
253 <  local_atoms = 0;
254 <  local_bonds = 0;
255 <  local_bends = 0;
256 <  local_torsions = 0;
257 <  for( i=0; i<n_components; i++ ){
258 <
259 <    for( j=0; j<components_nmol[i]; j++ ){
233 >      theBonds = new bond_pair[molInfo.nBonds];
234 >      theBends = new bend_set[molInfo.nBends];
235 >      theTorsions = new torsion_set[molInfo.nTorsions];
236        
237 <      if( mol2proc[j] == worldRank ){
262 <        
263 <        local_atoms +=    comp_stamps[i]->getNAtoms();
264 <        local_bonds +=    comp_stamps[i]->getNBonds();
265 <        local_bends +=    comp_stamps[i]->getNBends();
266 <        local_torsions += comp_stamps[i]->getNTorsions();
267 <        localMol++;
268 <      }      
269 <      allMol++;
270 <    }
271 <  }
272 <  local_SRI = local_bonds + local_bends + local_torsions;
273 <  
237 >      // make the Atoms
238  
239 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
240 <  
277 <  if( local_atoms != simnfo->n_atoms ){
278 <    sprintf( painCave.errMsg,
279 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
280 <             " localAtom (%d) are not equal.\n",
281 <             simnfo->n_atoms,
282 <             local_atoms );
283 <    painCave.isFatal = 1;
284 <    simError();
285 <  }
239 >      for (j = 0; j < molInfo.nAtoms; j++){
240 >        currentAtom = comp_stamps[stampID]->getAtom(j);
241  
242 <  simnfo->n_bonds = local_bonds;
243 <  simnfo->n_bends = local_bends;
244 <  simnfo->n_torsions = local_torsions;
245 <  simnfo->n_SRI = local_SRI;
246 <  simnfo->n_mol = localMol;
242 >        if (currentAtom->haveOrientation()){
243 >          dAtom = new DirectionalAtom((j + atomOffset),
244 >                                      info[k].getConfiguration());
245 >          info[k].n_oriented++;
246 >          molInfo.myAtoms[j] = dAtom;
247  
248 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
249 <  MPIcheckPoint();
250 <  
296 <  
297 < #endif // is_mpi
298 <  
248 >          // Directional Atoms have standard unit vectors which are oriented
249 >          // in space using the three Euler angles.  We assume the standard
250 >          // unit vector was originally along the z axis below.
251  
252 <  // create the atom and short range interaction arrays
252 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
253 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
254 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
255  
256 <  Atom::createArrays(simnfo->n_atoms);
257 <  the_atoms = new Atom*[simnfo->n_atoms];
258 <  the_molecules = new Molecule[simnfo->n_mol];
259 <  int molIndex;
256 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
257 >            
258 >        }
259 >        else{
260  
261 <  // initialize the molecule's stampID's
261 >          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
262 >        }
263  
264 +        molInfo.myAtoms[j]->setType(currentAtom->getType());
265 +
266   #ifdef IS_MPI
310  
267  
268 <  molIndex = 0;
313 <  for(i=0; i<mpiSim->getTotNmol(); i++){
314 <    
315 <    if(mol2proc[i] == worldRank ){
316 <      the_molecules[molIndex].setStampID( molCompType[i] );
317 <      molIndex++;
318 <    }
319 <  }
268 >        molInfo.myAtoms[j]->setGlobalIndex(globalIndex[j + atomOffset]);
269  
321 #else // is_mpi
322  
323  molIndex = 0;
324  for(i=0; i<n_components; i++){
325    for(j=0; j<components_nmol[i]; j++ ){
326      the_molecules[molIndex].setStampID( i );
327      molIndex++;
328    }
329  }
330    
331
270   #endif // is_mpi
271 +      }
272  
273 +      // make the bonds
274 +      for (j = 0; j < molInfo.nBonds; j++){
275 +        currentBond = comp_stamps[stampID]->getBond(j);
276 +        theBonds[j].a = currentBond->getA() + atomOffset;
277 +        theBonds[j].b = currentBond->getB() + atomOffset;
278  
279 <  if( simnfo->n_SRI ){
280 <    
337 <    std::cerr << "n_SRI = " << simnfo->n_SRI << "\n";
338 <    
339 <    Exclude::createArray(simnfo->n_SRI);
340 <    the_excludes = new Exclude*[simnfo->n_SRI];
341 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
342 <    simnfo->globalExcludes = new int;
343 <    simnfo->n_exclude = tot_SRI;
344 <  }
345 <  else{
346 <    
347 <    Exclude::createArray( 1 );
348 <    the_excludes = new Exclude*;
349 <    the_excludes[0] = new Exclude(0);
350 <    the_excludes[0]->setPair( 0,0 );
351 <    simnfo->globalExcludes = new int;
352 <    simnfo->globalExcludes[0] = 0;
353 <    simnfo->n_exclude = 0;
354 <  }
279 >        tempI = theBonds[j].a;
280 >        tempJ = theBonds[j].b;
281  
282 <  // set the arrays into the SimInfo object
282 > #ifdef IS_MPI
283 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
284 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
285 > #else
286 >        exI = tempI + 1;
287 >        exJ = tempJ + 1;
288 > #endif
289  
290 <  simnfo->atoms = the_atoms;
291 <  simnfo->molecules = the_molecules;
360 <  simnfo->nGlobalExcludes = 0;
361 <  simnfo->excludes = the_excludes;
290 >        info[k].excludes->addPair(exI, exJ);
291 >      }
292  
293 +      //make the bends
294 +      for (j = 0; j < molInfo.nBends; j++){
295 +        currentBend = comp_stamps[stampID]->getBend(j);
296 +        theBends[j].a = currentBend->getA() + atomOffset;
297 +        theBends[j].b = currentBend->getB() + atomOffset;
298 +        theBends[j].c = currentBend->getC() + atomOffset;
299  
300 <  // get some of the tricky things that may still be in the globals
300 >        if (currentBend->haveExtras()){
301 >          extras = currentBend->getExtras();
302 >          current_extra = extras;
303  
304 <  
305 <  if( the_globals->haveBox() ){
306 <    simnfo->box_x = the_globals->getBox();
307 <    simnfo->box_y = the_globals->getBox();
308 <    simnfo->box_z = the_globals->getBox();
309 <  }
310 <  else if( the_globals->haveDensity() ){
304 >          while (current_extra != NULL){
305 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
306 >              switch (current_extra->getType()){
307 >                case 0:
308 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
309 >                  theBends[j].isGhost = 1;
310 >                  break;
311  
312 <    double vol;
313 <    vol = (double)tot_nmol / the_globals->getDensity();
314 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
315 <    simnfo->box_y = simnfo->box_x;
316 <    simnfo->box_z = simnfo->box_x;
379 <  }
380 <  else{
381 <    if( !the_globals->haveBoxX() ){
382 <      sprintf( painCave.errMsg,
383 <               "SimSetup error, no periodic BoxX size given.\n" );
384 <      painCave.isFatal = 1;
385 <      simError();
386 <    }
387 <    simnfo->box_x = the_globals->getBoxX();
312 >                case 1:
313 >                  theBends[j].ghost = (int) current_extra->getDouble() +
314 >                                      atomOffset;
315 >                  theBends[j].isGhost = 1;
316 >                  break;
317  
318 <    if( !the_globals->haveBoxY() ){
319 <      sprintf( painCave.errMsg,
320 <               "SimSetup error, no periodic BoxY size given.\n" );
321 <      painCave.isFatal = 1;
322 <      simError();
323 <    }
324 <    simnfo->box_y = the_globals->getBoxY();
318 >                default:
319 >                  sprintf(painCave.errMsg,
320 >                          "SimSetup Error: ghostVectorSource was neither a "
321 >                          "double nor an int.\n"
322 >                          "-->Bend[%d] in %s\n",
323 >                          j, comp_stamps[stampID]->getID());
324 >                  painCave.isFatal = 1;
325 >                  simError();
326 >              }
327 >            }
328 >            else{
329 >              sprintf(painCave.errMsg,
330 >                      "SimSetup Error: unhandled bend assignment:\n"
331 >                      "    -->%s in Bend[%d] in %s\n",
332 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
333 >              painCave.isFatal = 1;
334 >              simError();
335 >            }
336  
337 <    if( !the_globals->haveBoxZ() ){
338 <      sprintf( painCave.errMsg,
339 <               "SimSetup error, no periodic BoxZ size given.\n" );
400 <      painCave.isFatal = 1;
401 <      simError();
402 <    }
403 <    simnfo->box_z = the_globals->getBoxZ();
404 <  }
337 >            current_extra = current_extra->getNext();
338 >          }
339 >        }
340  
341 +        if (theBends[j].isGhost) {
342 +          
343 +          tempI = theBends[j].a;
344 +          tempJ = theBends[j].b;
345 +          
346   #ifdef IS_MPI
347 <  strcpy( checkPointMsg, "Box size set up" );
348 <  MPIcheckPoint();
349 < #endif // is_mpi
347 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
348 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
349 > #else
350 >          exI = tempI + 1;
351 >          exJ = tempJ + 1;
352 > #endif          
353 >          info[k].excludes->addPair(exI, exJ);
354  
355 +        } else {
356  
357 <  // initialize the arrays
357 >          tempI = theBends[j].a;
358 >          tempJ = theBends[j].b;
359 >          tempK = theBends[j].c;
360 >          
361 > #ifdef IS_MPI
362 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
363 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
364 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
365 > #else
366 >          exI = tempI + 1;
367 >          exJ = tempJ + 1;
368 >          exK = tempK + 1;
369 > #endif
370 >          
371 >          info[k].excludes->addPair(exI, exK);
372 >          info[k].excludes->addPair(exI, exJ);
373 >          info[k].excludes->addPair(exJ, exK);
374 >        }
375 >      }
376  
377 <  the_ff->setSimInfo( simnfo );
377 >      for (j = 0; j < molInfo.nTorsions; j++){
378 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
379 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
380 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
381 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
382 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
383  
384 <  makeMolecules();
385 <  simnfo->identArray = new int[simnfo->n_atoms];
386 <  for(i=0; i<simnfo->n_atoms; i++){
387 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
420 <  }
421 <  
422 <  if (the_globals->getUseRF() ) {
423 <    simnfo->useReactionField = 1;
424 <  
425 <    if( !the_globals->haveECR() ){
426 <      sprintf( painCave.errMsg,
427 <               "SimSetup Warning: using default value of 1/2 the smallest "
428 <               "box length for the electrostaticCutoffRadius.\n"
429 <               "I hope you have a very fast processor!\n");
430 <      painCave.isFatal = 0;
431 <      simError();
432 <      double smallest;
433 <      smallest = simnfo->box_x;
434 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
435 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
436 <      simnfo->ecr = 0.5 * smallest;
437 <    } else {
438 <      simnfo->ecr        = the_globals->getECR();
439 <    }
384 >        tempI = theTorsions[j].a;      
385 >        tempJ = theTorsions[j].b;
386 >        tempK = theTorsions[j].c;
387 >        tempL = theTorsions[j].d;
388  
441    if( !the_globals->haveEST() ){
442      sprintf( painCave.errMsg,
443               "SimSetup Warning: using default value of 0.05 * the "
444               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
445               );
446      painCave.isFatal = 0;
447      simError();
448      simnfo->est = 0.05 * simnfo->ecr;
449    } else {
450      simnfo->est        = the_globals->getEST();
451    }
452    
453    if(!the_globals->haveDielectric() ){
454      sprintf( painCave.errMsg,
455               "SimSetup Error: You are trying to use Reaction Field without"
456               "setting a dielectric constant!\n"
457               );
458      painCave.isFatal = 1;
459      simError();
460    }
461    simnfo->dielectric = the_globals->getDielectric();  
462  } else {
463    if (simnfo->n_dipoles) {
464      
465      if( !the_globals->haveECR() ){
466        sprintf( painCave.errMsg,
467                 "SimSetup Warning: using default value of 1/2 the smallest"
468                 "box length for the electrostaticCutoffRadius.\n"
469                 "I hope you have a very fast processor!\n");
470        painCave.isFatal = 0;
471        simError();
472        double smallest;
473        smallest = simnfo->box_x;
474        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
475        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
476        simnfo->ecr = 0.5 * smallest;
477      } else {
478        simnfo->ecr        = the_globals->getECR();
479      }
480      
481      if( !the_globals->haveEST() ){
482        sprintf( painCave.errMsg,
483                 "SimSetup Warning: using default value of 5% of the"
484                 "electrostaticCutoffRadius for the "
485                 "electrostaticSkinThickness\n"
486                 );
487        painCave.isFatal = 0;
488        simError();
489        simnfo->est = 0.05 * simnfo->ecr;
490      } else {
491        simnfo->est        = the_globals->getEST();
492      }
493    }
494  }  
495
389   #ifdef IS_MPI
390 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
391 <  MPIcheckPoint();
392 < #endif // is_mpi
393 <
394 < if( the_globals->haveInitialConfig() ){
395 <
396 <     InitializeFromFile* fileInit;
397 < #ifdef IS_MPI // is_mpi
398 <     if( worldRank == 0 ){
506 < #endif //is_mpi
507 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
508 < #ifdef IS_MPI
509 <     }else fileInit = new InitializeFromFile( NULL );
390 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
391 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
392 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
393 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
394 > #else
395 >        exI = tempI + 1;
396 >        exJ = tempJ + 1;
397 >        exK = tempK + 1;
398 >        exL = tempL + 1;
399   #endif
511   fileInit->read_xyz( simnfo ); // default velocities on
400  
401 <   delete fileInit;
402 < }
403 < else{
401 >        info[k].excludes->addPair(exI, exJ);
402 >        info[k].excludes->addPair(exI, exK);
403 >        info[k].excludes->addPair(exI, exL);        
404 >        info[k].excludes->addPair(exJ, exK);
405 >        info[k].excludes->addPair(exJ, exL);
406 >        info[k].excludes->addPair(exK, exL);
407 >      }
408  
409 < #ifdef IS_MPI
409 >      for (j = 0; j < molInfo.nRigidBodies; j++){
410  
411 <  // no init from bass
412 <  
521 <  sprintf( painCave.errMsg,
522 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
523 <  painCave.isFatal;
524 <  simError();
525 <  
526 < #else
411 >        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
412 >        nMembers = currentRigidBody->getNMembers();
413  
414 <  initFromBass();
414 >        // Create the Rigid Body:
415  
416 +        myRB = new RigidBody();
417 +        
418 +        for (rb1 = 0; rb1 < nMembers; rb1++) {
419  
420 < #endif
421 < }
420 >          // molI is atom numbering inside this molecule
421 >          molI = currentRigidBody->getMember(rb1);    
422  
423 < #ifdef IS_MPI
424 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
536 <  MPIcheckPoint();
537 < #endif // is_mpi
423 >          // tempI is atom numbering on local processor
424 >          tempI = molI + atomOffset;
425  
426 +          // currentAtom is the AtomStamp (which we need for
427 +          // rigid body reference positions)
428 +          currentAtom = comp_stamps[stampID]->getAtom(molI);
429  
430 <  
431 <
542 <  
430 >          // When we add to the rigid body, add the atom itself and
431 >          // the stamp info:
432  
433 <  
433 >          myRB->addAtom(info[k].atoms[tempI], currentAtom);
434 >          
435 >          // Add this atom to the Skip List for the integrators
436   #ifdef IS_MPI
437 <  if( worldRank == 0 ){
438 < #endif // is_mpi
439 <    
440 <    if( the_globals->haveFinalConfig() ){
441 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
442 <    }
443 <    else{
444 <      strcpy( simnfo->finalName, inFileName );
445 <      char* endTest;
446 <      int nameLength = strlen( simnfo->finalName );
447 <      endTest = &(simnfo->finalName[nameLength - 5]);
448 <      if( !strcmp( endTest, ".bass" ) ){
449 <        strcpy( endTest, ".eor" );
450 <      }
451 <      else if( !strcmp( endTest, ".BASS" ) ){
452 <        strcpy( endTest, ".eor" );
453 <      }
454 <      else{
455 <        endTest = &(simnfo->finalName[nameLength - 4]);
565 <        if( !strcmp( endTest, ".bss" ) ){
566 <          strcpy( endTest, ".eor" );
567 <        }
568 <        else if( !strcmp( endTest, ".mdl" ) ){
569 <          strcpy( endTest, ".eor" );
570 <        }
571 <        else{
572 <          strcat( simnfo->finalName, ".eor" );
573 <        }
574 <      }
575 <    }
576 <    
577 <    // make the sample and status out names
578 <    
579 <    strcpy( simnfo->sampleName, inFileName );
580 <    char* endTest;
581 <    int nameLength = strlen( simnfo->sampleName );
582 <    endTest = &(simnfo->sampleName[nameLength - 5]);
583 <    if( !strcmp( endTest, ".bass" ) ){
584 <      strcpy( endTest, ".dump" );
585 <    }
586 <    else if( !strcmp( endTest, ".BASS" ) ){
587 <      strcpy( endTest, ".dump" );
588 <    }
589 <    else{
590 <      endTest = &(simnfo->sampleName[nameLength - 4]);
591 <      if( !strcmp( endTest, ".bss" ) ){
592 <        strcpy( endTest, ".dump" );
593 <      }
594 <      else if( !strcmp( endTest, ".mdl" ) ){
595 <        strcpy( endTest, ".dump" );
596 <      }
597 <      else{
598 <        strcat( simnfo->sampleName, ".dump" );
599 <      }
600 <    }
601 <    
602 <    strcpy( simnfo->statusName, inFileName );
603 <    nameLength = strlen( simnfo->statusName );
604 <    endTest = &(simnfo->statusName[nameLength - 5]);
605 <    if( !strcmp( endTest, ".bass" ) ){
606 <      strcpy( endTest, ".stat" );
607 <    }
608 <    else if( !strcmp( endTest, ".BASS" ) ){
609 <      strcpy( endTest, ".stat" );
610 <    }
611 <    else{
612 <      endTest = &(simnfo->statusName[nameLength - 4]);
613 <      if( !strcmp( endTest, ".bss" ) ){
614 <        strcpy( endTest, ".stat" );
615 <      }
616 <      else if( !strcmp( endTest, ".mdl" ) ){
617 <        strcpy( endTest, ".stat" );
618 <      }
619 <      else{
620 <        strcat( simnfo->statusName, ".stat" );
621 <      }
622 <    }
623 <    
437 >          slI = info[k].atoms[tempI]->getGlobalIndex();
438 > #else
439 >          slI = tempI;
440 > #endif
441 >          skipList.insert(slI);
442 >          
443 >        }
444 >        
445 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
446 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
447 >            
448 >            tempI = currentRigidBody->getMember(rb1);
449 >            tempJ = currentRigidBody->getMember(rb2);
450 >            
451 >            // Some explanation is required here.
452 >            // Fortran indexing starts at 1, while c indexing starts at 0
453 >            // Also, in parallel computations, the GlobalIndex is
454 >            // used for the exclude list:
455 >            
456   #ifdef IS_MPI
457 <  }
458 < #endif // is_mpi
459 <  
460 <  // set the status, sample, and themal kick times
461 <  
462 <  if( the_globals->haveSampleTime() ){
463 <    simnfo->sampleTime = the_globals->getSampleTime();
464 <    simnfo->statusTime = simnfo->sampleTime;
465 <    simnfo->thermalTime = simnfo->sampleTime;
466 <  }
467 <  else{
636 <    simnfo->sampleTime = the_globals->getRunTime();
637 <    simnfo->statusTime = simnfo->sampleTime;
638 <    simnfo->thermalTime = simnfo->sampleTime;
639 <  }
457 >            exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
458 >            exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
459 > #else
460 >            exI = tempI + 1;
461 >            exJ = tempJ + 1;
462 > #endif
463 >            
464 >            info[k].excludes->addPair(exI, exJ);
465 >            
466 >          }
467 >        }
468  
469 <  if( the_globals->haveStatusTime() ){
470 <    simnfo->statusTime = the_globals->getStatusTime();
471 <  }
469 >        molInfo.myRigidBodies.push_back(myRB);
470 >        info[k].rigidBodies.push_back(myRB);
471 >      }
472 >      
473  
474 <  if( the_globals->haveThermalTime() ){
475 <    simnfo->thermalTime = the_globals->getThermalTime();
647 <  }
474 >      // After this is all set up, scan through the atoms to
475 >      // see if they can be added to the integrableObjects:
476  
477 <  // check for the temperature set flag
477 >      for (j = 0; j < molInfo.nAtoms; j++){
478  
479 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
479 > #ifdef IS_MPI
480 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
481 > #else
482 >        slJ = j+atomOffset;
483 > #endif
484  
485 +        // if they aren't on the skip list, then they can be integrated
486  
487 < //   // make the longe range forces and the integrator
487 >        if (skipList.find(slJ) == skipList.end()) {
488 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
489 >          info[k].integrableObjects.push_back(mySD);
490 >          molInfo.myIntegrableObjects.push_back(mySD);
491 >        }
492 >      }
493  
494 < //   new AllLong( simnfo );
494 >      // all rigid bodies are integrated:
495  
496 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
497 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
496 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
497 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
498 >        info[k].integrableObjects.push_back(mySD);      
499 >        molInfo.myIntegrableObjects.push_back(mySD);
500 >      }
501 >    
502 >      
503 >      // send the arrays off to the forceField for init.
504 >      
505 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
506 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
507 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
508 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
509 >                                 theTorsions);
510  
511 < #ifdef IS_MPI
662 <  mpiSim->mpiRefresh();
663 < #endif
511 >      info[k].molecules[i].initialize(molInfo);
512  
665  // initialize the Fortran
513  
514 <
515 <  simnfo->refreshSim();
516 <  
517 <  if( !strcmp( simnfo->mixingRule, "standard") ){
518 <    the_ff->initForceField( LB_MIXING_RULE );
514 >      atomOffset += molInfo.nAtoms;
515 >      delete[] theBonds;
516 >      delete[] theBends;
517 >      delete[] theTorsions;
518 >    }    
519    }
673  else if( !strcmp( simnfo->mixingRule, "explicit") ){
674    the_ff->initForceField( EXPLICIT_MIXING_RULE );
675  }
676  else{
677    sprintf( painCave.errMsg,
678             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
679             simnfo->mixingRule );
680    painCave.isFatal = 1;
681    simError();
682  }
520  
684
521   #ifdef IS_MPI
522 <  strcpy( checkPointMsg,
687 <          "Successfully intialized the mixingRule for Fortran." );
522 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
523    MPIcheckPoint();
524   #endif // is_mpi
690 }
525  
526 +  // clean up the forcefield
527  
528 < void SimSetup::makeMolecules( void ){
528 >  if (!globals->haveLJrcut()){
529  
530 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
696 <  molInit info;
697 <  DirectionalAtom* dAtom;
698 <  LinkedAssign* extras;
699 <  LinkedAssign* current_extra;
700 <  AtomStamp* currentAtom;
701 <  BondStamp* currentBond;
702 <  BendStamp* currentBend;
703 <  TorsionStamp* currentTorsion;
530 >    the_ff->calcRcut();
531  
532 <  bond_pair* theBonds;
533 <  bend_set* theBends;
534 <  torsion_set* theTorsions;
532 >  } else {
533 >    
534 >    the_ff->setRcut( globals->getLJrcut() );
535 >  }
536  
537 <  
538 <  //init the forceField paramters
537 >  the_ff->cleanMe();
538 > }
539  
540 <  the_ff->readParams();
540 > void SimSetup::initFromBass(void){
541 >  int i, j, k;
542 >  int n_cells;
543 >  double cellx, celly, cellz;
544 >  double temp1, temp2, temp3;
545 >  int n_per_extra;
546 >  int n_extra;
547 >  int have_extra, done;
548  
549 <  
550 <  // init the atoms
549 >  double vel[3];
550 >  vel[0] = 0.0;
551 >  vel[1] = 0.0;
552 >  vel[2] = 0.0;
553  
554 <  double ux, uy, uz, u, uSqr;
555 <  
556 <  atomOffset = 0;
720 <  excludeOffset = 0;
721 <  for(i=0; i<simnfo->n_mol; i++){
722 <    
723 <    stampID = the_molecules[i].getStampID();
554 >  temp1 = (double) tot_nmol / 4.0;
555 >  temp2 = pow(temp1, (1.0 / 3.0));
556 >  temp3 = ceil(temp2);
557  
558 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
559 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
560 <    info.nBends    = comp_stamps[stampID]->getNBends();
561 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
729 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
558 >  have_extra = 0;
559 >  if (temp2 < temp3){
560 >    // we have a non-complete lattice
561 >    have_extra = 1;
562  
563 <    info.myAtoms = &the_atoms[atomOffset];
564 <    info.myExcludes = &the_excludes[excludeOffset];
565 <    info.myBonds = new Bond*[info.nBonds];
566 <    info.myBends = new Bend*[info.nBends];
567 <    info.myTorsions = new Torsion*[info.nTorsions];
563 >    n_cells = (int) temp3 - 1;
564 >    cellx = info[0].boxL[0] / temp3;
565 >    celly = info[0].boxL[1] / temp3;
566 >    cellz = info[0].boxL[2] / temp3;
567 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
568 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
569 >    n_per_extra = (int) ceil(temp1);
570  
571 <    theBonds = new bond_pair[info.nBonds];
572 <    theBends = new bend_set[info.nBends];
573 <    theTorsions = new torsion_set[info.nTorsions];
574 <    
741 <    // make the Atoms
742 <    
743 <    for(j=0; j<info.nAtoms; j++){
744 <      
745 <      currentAtom = comp_stamps[stampID]->getAtom( j );
746 <      if( currentAtom->haveOrientation() ){
747 <        
748 <        dAtom = new DirectionalAtom(j + atomOffset);
749 <        simnfo->n_oriented++;
750 <        info.myAtoms[j] = dAtom;
751 <        
752 <        ux = currentAtom->getOrntX();
753 <        uy = currentAtom->getOrntY();
754 <        uz = currentAtom->getOrntZ();
755 <        
756 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
757 <        
758 <        u = sqrt( uSqr );
759 <        ux = ux / u;
760 <        uy = uy / u;
761 <        uz = uz / u;
762 <        
763 <        dAtom->setSUx( ux );
764 <        dAtom->setSUy( uy );
765 <        dAtom->setSUz( uz );
766 <      }
767 <      else{
768 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
769 <      }
770 <      info.myAtoms[j]->setType( currentAtom->getType() );
771 <    
772 < #ifdef IS_MPI
773 <      
774 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
775 <      
776 < #endif // is_mpi
777 <    }
778 <    
779 <    // make the bonds
780 <    for(j=0; j<info.nBonds; j++){
781 <      
782 <      currentBond = comp_stamps[stampID]->getBond( j );
783 <      theBonds[j].a = currentBond->getA() + atomOffset;
784 <      theBonds[j].b = currentBond->getB() + atomOffset;
785 <
786 <      exI = theBonds[j].a;
787 <      exJ = theBonds[j].b;
788 <
789 <      // exclude_I must always be the smaller of the pair
790 <      if( exI > exJ ){
791 <        tempEx = exI;
792 <        exI = exJ;
793 <        exJ = tempEx;
794 <      }
795 < #ifdef IS_MPI
796 <      tempEx = exI;
797 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
798 <      tempEx = exJ;
799 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
800 <      
801 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
802 < #else  // isn't MPI
803 <
804 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
805 < #endif  //is_mpi
806 <    }
807 <    excludeOffset += info.nBonds;
808 <
809 <    //make the bends
810 <    for(j=0; j<info.nBends; j++){
811 <      
812 <      currentBend = comp_stamps[stampID]->getBend( j );
813 <      theBends[j].a = currentBend->getA() + atomOffset;
814 <      theBends[j].b = currentBend->getB() + atomOffset;
815 <      theBends[j].c = currentBend->getC() + atomOffset;
816 <          
817 <      if( currentBend->haveExtras() ){
818 <            
819 <        extras = currentBend->getExtras();
820 <        current_extra = extras;
821 <            
822 <        while( current_extra != NULL ){
823 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
824 <                
825 <            switch( current_extra->getType() ){
826 <              
827 <            case 0:
828 <              theBends[j].ghost =
829 <                current_extra->getInt() + atomOffset;
830 <              theBends[j].isGhost = 1;
831 <              break;
832 <                  
833 <            case 1:
834 <              theBends[j].ghost =
835 <                (int)current_extra->getDouble() + atomOffset;
836 <              theBends[j].isGhost = 1;
837 <              break;
838 <              
839 <            default:
840 <              sprintf( painCave.errMsg,
841 <                       "SimSetup Error: ghostVectorSource was neither a "
842 <                       "double nor an int.\n"
843 <                       "-->Bend[%d] in %s\n",
844 <                       j, comp_stamps[stampID]->getID() );
845 <              painCave.isFatal = 1;
846 <              simError();
847 <            }
848 <          }
849 <          
850 <          else{
851 <            
852 <            sprintf( painCave.errMsg,
853 <                     "SimSetup Error: unhandled bend assignment:\n"
854 <                     "    -->%s in Bend[%d] in %s\n",
855 <                     current_extra->getlhs(),
856 <                     j, comp_stamps[stampID]->getID() );
857 <            painCave.isFatal = 1;
858 <            simError();
859 <          }
860 <          
861 <          current_extra = current_extra->getNext();
862 <        }
863 <      }
864 <          
865 <      if( !theBends[j].isGhost ){
866 <            
867 <        exI = theBends[j].a;
868 <        exJ = theBends[j].c;
869 <      }
870 <      else{
871 <        
872 <        exI = theBends[j].a;
873 <        exJ = theBends[j].b;
874 <      }
875 <      
876 <      // exclude_I must always be the smaller of the pair
877 <      if( exI > exJ ){
878 <        tempEx = exI;
879 <        exI = exJ;
880 <        exJ = tempEx;
881 <      }
882 < #ifdef IS_MPI
883 <      tempEx = exI;
884 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
885 <      tempEx = exJ;
886 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
887 <      
888 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
889 < #else  // isn't MPI
890 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
891 < #endif  //is_mpi
892 <    }
893 <    excludeOffset += info.nBends;
894 <
895 <    for(j=0; j<info.nTorsions; j++){
896 <      
897 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
898 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
899 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
900 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
901 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
902 <      
903 <      exI = theTorsions[j].a;
904 <      exJ = theTorsions[j].d;
905 <
906 <      // exclude_I must always be the smaller of the pair
907 <      if( exI > exJ ){
908 <        tempEx = exI;
909 <        exI = exJ;
910 <        exJ = tempEx;
911 <      }
912 < #ifdef IS_MPI
913 <      tempEx = exI;
914 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
915 <      tempEx = exJ;
916 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
917 <      
918 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
919 < #else  // isn't MPI
920 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
921 < #endif  //is_mpi
922 <    }
923 <    excludeOffset += info.nTorsions;
924 <
925 <    
926 <    // send the arrays off to the forceField for init.
927 <
928 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
929 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
930 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
931 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
932 <
933 <
934 <    the_molecules[i].initialize( info );
935 <    atomOffset += info.nAtoms;
936 <    delete[] theBonds;
937 <    delete[] theBends;
938 <    delete[] theTorsions;
939 <  }
940 <
941 < #ifdef IS_MPI
942 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
943 <  MPIcheckPoint();
944 < #endif // is_mpi
945 <
946 <  // clean up the forcefield
947 <  the_ff->calcRcut();
948 <  the_ff->cleanMe();
949 <
950 < }
951 <
952 < void SimSetup::initFromBass( void ){
953 <
954 <  int i, j, k;
955 <  int n_cells;
956 <  double cellx, celly, cellz;
957 <  double temp1, temp2, temp3;
958 <  int n_per_extra;
959 <  int n_extra;
960 <  int have_extra, done;
961 <
962 <  temp1 = (double)tot_nmol / 4.0;
963 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
964 <  temp3 = ceil( temp2 );
965 <
966 <  have_extra =0;
967 <  if( temp2 < temp3 ){ // we have a non-complete lattice
968 <    have_extra =1;
969 <
970 <    n_cells = (int)temp3 - 1;
971 <    cellx = simnfo->box_x / temp3;
972 <    celly = simnfo->box_y / temp3;
973 <    cellz = simnfo->box_z / temp3;
974 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
975 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
976 <    n_per_extra = (int)ceil( temp1 );
977 <
978 <    if( n_per_extra > 4){
979 <      sprintf( painCave.errMsg,
980 <               "SimSetup error. There has been an error in constructing"
981 <               " the non-complete lattice.\n" );
571 >    if (n_per_extra > 4){
572 >      sprintf(painCave.errMsg,
573 >              "SimSetup error. There has been an error in constructing"
574 >              " the non-complete lattice.\n");
575        painCave.isFatal = 1;
576        simError();
577      }
578    }
579    else{
580 <    n_cells = (int)temp3;
581 <    cellx = simnfo->box_x / temp3;
582 <    celly = simnfo->box_y / temp3;
583 <    cellz = simnfo->box_z / temp3;
580 >    n_cells = (int) temp3;
581 >    cellx = info[0].boxL[0] / temp3;
582 >    celly = info[0].boxL[1] / temp3;
583 >    cellz = info[0].boxL[2] / temp3;
584    }
585  
586    current_mol = 0;
# Line 995 | Line 588 | void SimSetup::initFromBass( void ){
588    current_comp = 0;
589    current_atom_ndx = 0;
590  
591 <  for( i=0; i < n_cells ; i++ ){
592 <    for( j=0; j < n_cells; j++ ){
593 <      for( k=0; k < n_cells; k++ ){
591 >  for (i = 0; i < n_cells ; i++){
592 >    for (j = 0; j < n_cells; j++){
593 >      for (k = 0; k < n_cells; k++){
594 >        makeElement(i * cellx, j * celly, k * cellz);
595  
596 <        makeElement( i * cellx,
1003 <                     j * celly,
1004 <                     k * cellz );
596 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
597  
598 <        makeElement( i * cellx + 0.5 * cellx,
1007 <                     j * celly + 0.5 * celly,
1008 <                     k * cellz );
598 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
599  
600 <        makeElement( i * cellx,
1011 <                     j * celly + 0.5 * celly,
1012 <                     k * cellz + 0.5 * cellz );
1013 <
1014 <        makeElement( i * cellx + 0.5 * cellx,
1015 <                     j * celly,
1016 <                     k * cellz + 0.5 * cellz );
600 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
601        }
602      }
603    }
604  
605 <  if( have_extra ){
605 >  if (have_extra){
606      done = 0;
607  
608      int start_ndx;
609 <    for( i=0; i < (n_cells+1) && !done; i++ ){
610 <      for( j=0; j < (n_cells+1) && !done; j++ ){
609 >    for (i = 0; i < (n_cells + 1) && !done; i++){
610 >      for (j = 0; j < (n_cells + 1) && !done; j++){
611 >        if (i < n_cells){
612 >          if (j < n_cells){
613 >            start_ndx = n_cells;
614 >          }
615 >          else
616 >            start_ndx = 0;
617 >        }
618 >        else
619 >          start_ndx = 0;
620  
621 <        if( i < n_cells ){
621 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
622 >          makeElement(i * cellx, j * celly, k * cellz);
623 >          done = (current_mol >= tot_nmol);
624  
625 <          if( j < n_cells ){
626 <            start_ndx = n_cells;
627 <          }
628 <          else start_ndx = 0;
629 <        }
1035 <        else start_ndx = 0;
625 >          if (!done && n_per_extra > 1){
626 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
627 >                        k * cellz);
628 >            done = (current_mol >= tot_nmol);
629 >          }
630  
631 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
631 >          if (!done && n_per_extra > 2){
632 >            makeElement(i * cellx, j * celly + 0.5 * celly,
633 >                        k * cellz + 0.5 * cellz);
634 >            done = (current_mol >= tot_nmol);
635 >          }
636  
637 <          makeElement( i * cellx,
638 <                       j * celly,
639 <                       k * cellz );
640 <          done = ( current_mol >= tot_nmol );
641 <
642 <          if( !done && n_per_extra > 1 ){
1045 <            makeElement( i * cellx + 0.5 * cellx,
1046 <                         j * celly + 0.5 * celly,
1047 <                         k * cellz );
1048 <            done = ( current_mol >= tot_nmol );
1049 <          }
1050 <
1051 <          if( !done && n_per_extra > 2){
1052 <            makeElement( i * cellx,
1053 <                         j * celly + 0.5 * celly,
1054 <                         k * cellz + 0.5 * cellz );
1055 <            done = ( current_mol >= tot_nmol );
1056 <          }
1057 <
1058 <          if( !done && n_per_extra > 3){
1059 <            makeElement( i * cellx + 0.5 * cellx,
1060 <                         j * celly,
1061 <                         k * cellz + 0.5 * cellz );
1062 <            done = ( current_mol >= tot_nmol );
1063 <          }
1064 <        }
637 >          if (!done && n_per_extra > 3){
638 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
639 >                        k * cellz + 0.5 * cellz);
640 >            done = (current_mol >= tot_nmol);
641 >          }
642 >        }
643        }
644      }
645    }
646  
647 <
648 <  for( i=0; i<simnfo->n_atoms; i++ ){
1071 <    simnfo->atoms[i]->set_vx( 0.0 );
1072 <    simnfo->atoms[i]->set_vy( 0.0 );
1073 <    simnfo->atoms[i]->set_vz( 0.0 );
647 >  for (i = 0; i < info[0].n_atoms; i++){
648 >    info[0].atoms[i]->setVel(vel);
649    }
650   }
651  
652 < void SimSetup::makeElement( double x, double y, double z ){
1078 <
652 > void SimSetup::makeElement(double x, double y, double z){
653    int k;
654    AtomStamp* current_atom;
655    DirectionalAtom* dAtom;
656    double rotMat[3][3];
657 +  double pos[3];
658  
659 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
660 <
661 <    current_atom = comp_stamps[current_comp]->getAtom( k );
662 <    if( !current_atom->havePosition() ){
663 <      sprintf( painCave.errMsg,
664 <               "SimSetup:initFromBass error.\n"
665 <               "\tComponent %s, atom %s does not have a position specified.\n"
666 <               "\tThe initialization routine is unable to give a start"
667 <               " position.\n",
1093 <               comp_stamps[current_comp]->getID(),
1094 <               current_atom->getType() );
659 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
660 >    current_atom = comp_stamps[current_comp]->getAtom(k);
661 >    if (!current_atom->havePosition()){
662 >      sprintf(painCave.errMsg,
663 >              "SimSetup:initFromBass error.\n"
664 >              "\tComponent %s, atom %s does not have a position specified.\n"
665 >              "\tThe initialization routine is unable to give a start"
666 >              " position.\n",
667 >              comp_stamps[current_comp]->getID(), current_atom->getType());
668        painCave.isFatal = 1;
669        simError();
670      }
671  
672 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
673 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
674 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
672 >    pos[0] = x + current_atom->getPosX();
673 >    pos[1] = y + current_atom->getPosY();
674 >    pos[2] = z + current_atom->getPosZ();
675  
676 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
676 >    info[0].atoms[current_atom_ndx]->setPos(pos);
677  
678 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
678 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
679 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
680  
681        rotMat[0][0] = 1.0;
682        rotMat[0][1] = 0.0;
# Line 1116 | Line 690 | void SimSetup::makeElement( double x, double y, double
690        rotMat[2][1] = 0.0;
691        rotMat[2][2] = 1.0;
692  
693 <      dAtom->setA( rotMat );
693 >      dAtom->setA(rotMat);
694      }
695  
696      current_atom_ndx++;
# Line 1125 | Line 699 | void SimSetup::makeElement( double x, double y, double
699    current_mol++;
700    current_comp_mol++;
701  
702 <  if( current_comp_mol >= components_nmol[current_comp] ){
1129 <
702 >  if (current_comp_mol >= components_nmol[current_comp]){
703      current_comp_mol = 0;
704      current_comp++;
705 +  }
706 + }
707 +
708 +
709 + void SimSetup::gatherInfo(void){
710 +  int i;
711 +
712 +  ensembleCase = -1;
713 +  ffCase = -1;
714 +
715 +  // set the easy ones first
716 +
717 +  for (i = 0; i < nInfo; i++){
718 +    info[i].target_temp = globals->getTargetTemp();
719 +    info[i].dt = globals->getDt();
720 +    info[i].run_time = globals->getRunTime();
721 +  }
722 +  n_components = globals->getNComponents();
723 +
724 +
725 +  // get the forceField
726 +
727 +  strcpy(force_field, globals->getForceField());
728 +
729 +  if (!strcasecmp(force_field, "DUFF")){
730 +    ffCase = FF_DUFF;
731 +  }
732 +  else if (!strcasecmp(force_field, "LJ")){
733 +    ffCase = FF_LJ;
734 +  }
735 +  else if (!strcasecmp(force_field, "EAM")){
736 +    ffCase = FF_EAM;
737 +  }
738 +  else if (!strcasecmp(force_field, "WATER")){
739 +    ffCase = FF_H2O;
740 +  }
741 +  else{
742 +    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
743 +            force_field);
744 +         painCave.isFatal = 1;
745 +         simError();
746 +  }
747 +
748 +    // get the ensemble
749 +
750 +  strcpy(ensemble, globals->getEnsemble());
751 +
752 +  if (!strcasecmp(ensemble, "NVE")){
753 +    ensembleCase = NVE_ENS;
754 +  }
755 +  else if (!strcasecmp(ensemble, "NVT")){
756 +    ensembleCase = NVT_ENS;
757 +  }
758 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
759 +    ensembleCase = NPTi_ENS;
760 +  }
761 +  else if (!strcasecmp(ensemble, "NPTf")){
762 +    ensembleCase = NPTf_ENS;
763 +  }
764 +  else if (!strcasecmp(ensemble, "NPTxyz")){
765 +    ensembleCase = NPTxyz_ENS;
766 +  }
767 +  else{
768 +    sprintf(painCave.errMsg,
769 +            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
770 +            "\treverting to NVE for this simulation.\n",
771 +            ensemble);
772 +         painCave.isFatal = 0;
773 +         simError();
774 +         strcpy(ensemble, "NVE");
775 +         ensembleCase = NVE_ENS;
776 +  }  
777 +
778 +  for (i = 0; i < nInfo; i++){
779 +    strcpy(info[i].ensemble, ensemble);
780 +
781 +    // get the mixing rule
782 +
783 +    strcpy(info[i].mixingRule, globals->getMixingRule());
784 +    info[i].usePBC = globals->getPBC();
785 +  }
786 +
787 +  // get the components and calculate the tot_nMol and indvidual n_mol
788 +
789 +  the_components = globals->getComponents();
790 +  components_nmol = new int[n_components];
791 +
792 +
793 +  if (!globals->haveNMol()){
794 +    // we don't have the total number of molecules, so we assume it is
795 +    // given in each component
796 +
797 +    tot_nmol = 0;
798 +    for (i = 0; i < n_components; i++){
799 +      if (!the_components[i]->haveNMol()){
800 +        // we have a problem
801 +        sprintf(painCave.errMsg,
802 +                "SimSetup Error. No global NMol or component NMol given.\n"
803 +                "\tCannot calculate the number of atoms.\n");
804 +        painCave.isFatal = 1;
805 +        simError();
806 +      }
807 +
808 +      tot_nmol += the_components[i]->getNMol();
809 +      components_nmol[i] = the_components[i]->getNMol();
810 +    }
811 +  }
812 +  else{
813 +    sprintf(painCave.errMsg,
814 +            "SimSetup error.\n"
815 +            "\tSorry, the ability to specify total"
816 +            " nMols and then give molfractions in the components\n"
817 +            "\tis not currently supported."
818 +            " Please give nMol in the components.\n");
819 +    painCave.isFatal = 1;
820 +    simError();
821 +  }
822 +
823 +  //check whether sample time, status time, thermal time and reset time are divisble by dt
824 +  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
825 +    sprintf(painCave.errMsg,
826 +            "Sample time is not divisible by dt.\n"
827 +            "\tThis will result in samples that are not uniformly\n"
828 +            "\tdistributed in time.  If this is a problem, change\n"
829 +            "\tyour sampleTime variable.\n");
830 +    painCave.isFatal = 0;
831 +    simError();    
832 +  }
833 +
834 +  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
835 +    sprintf(painCave.errMsg,
836 +            "Status time is not divisible by dt.\n"
837 +            "\tThis will result in status reports that are not uniformly\n"
838 +            "\tdistributed in time.  If this is a problem, change \n"
839 +            "\tyour statusTime variable.\n");
840 +    painCave.isFatal = 0;
841 +    simError();    
842 +  }
843 +
844 +  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
845 +    sprintf(painCave.errMsg,
846 +            "Thermal time is not divisible by dt.\n"
847 +            "\tThis will result in thermalizations that are not uniformly\n"
848 +            "\tdistributed in time.  If this is a problem, change \n"
849 +            "\tyour thermalTime variable.\n");
850 +    painCave.isFatal = 0;
851 +    simError();    
852 +  }  
853 +
854 +  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
855 +    sprintf(painCave.errMsg,
856 +            "Reset time is not divisible by dt.\n"
857 +            "\tThis will result in integrator resets that are not uniformly\n"
858 +            "\tdistributed in time.  If this is a problem, change\n"
859 +            "\tyour resetTime variable.\n");
860 +    painCave.isFatal = 0;
861 +    simError();    
862 +  }
863 +
864 +  // set the status, sample, and thermal kick times
865 +
866 +  for (i = 0; i < nInfo; i++){
867 +    if (globals->haveSampleTime()){
868 +      info[i].sampleTime = globals->getSampleTime();
869 +      info[i].statusTime = info[i].sampleTime;
870 +      info[i].thermalTime = info[i].sampleTime;
871 +    }
872 +    else{
873 +      info[i].sampleTime = globals->getRunTime();
874 +      info[i].statusTime = info[i].sampleTime;
875 +      info[i].thermalTime = info[i].sampleTime;
876 +    }
877 +
878 +    if (globals->haveStatusTime()){
879 +      info[i].statusTime = globals->getStatusTime();
880 +    }
881 +
882 +    if (globals->haveThermalTime()){
883 +      info[i].thermalTime = globals->getThermalTime();
884 +    }
885 +
886 +    info[i].resetIntegrator = 0;
887 +    if( globals->haveResetTime() ){
888 +      info[i].resetTime = globals->getResetTime();
889 +      info[i].resetIntegrator = 1;
890 +    }
891 +
892 +    // check for the temperature set flag
893 +    
894 +    if (globals->haveTempSet())
895 +      info[i].setTemp = globals->getTempSet();
896 +
897 +    // check for the extended State init
898 +
899 +    info[i].useInitXSstate = globals->getUseInitXSstate();
900 +    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
901 +    
902 +  }
903 +  
904 +  //setup seed for random number generator
905 +  int seedValue;
906 +
907 +  if (globals->haveSeed()){
908 +    seedValue = globals->getSeed();
909 +
910 +    if(seedValue / 1E9 == 0){
911 +      sprintf(painCave.errMsg,
912 +              "Seed for sprng library should contain at least 9 digits\n"
913 +              "OOPSE will generate a seed for user\n");
914 +      painCave.isFatal = 0;
915 +      simError();
916 +
917 +      //using seed generated by system instead of invalid seed set by user
918 + #ifndef IS_MPI
919 +      seedValue = make_sprng_seed();
920 + #else
921 +      if (worldRank == 0){
922 +        seedValue = make_sprng_seed();
923 +      }
924 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
925 + #endif      
926 +    }
927 +  }//end of if branch of globals->haveSeed()
928 +  else{
929 +    
930 + #ifndef IS_MPI
931 +    seedValue = make_sprng_seed();
932 + #else
933 +    if (worldRank == 0){
934 +      seedValue = make_sprng_seed();
935 +    }
936 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
937 + #endif
938 +  }//end of globals->haveSeed()
939 +
940 +  for (int i = 0; i < nInfo; i++){
941 +    info[i].setSeed(seedValue);
942 +  }
943 +  
944 + #ifdef IS_MPI
945 +  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
946 +  MPIcheckPoint();
947 + #endif // is_mpi
948 + }
949 +
950 +
951 + void SimSetup::finalInfoCheck(void){
952 +  int index;
953 +  int usesDipoles;
954 +  int i;
955 +
956 +  for (i = 0; i < nInfo; i++){
957 +    // check electrostatic parameters
958 +
959 +    index = 0;
960 +    usesDipoles = 0;
961 +    while ((index < info[i].n_atoms) && !usesDipoles){
962 +      usesDipoles = (info[i].atoms[index])->hasDipole();
963 +      index++;
964 +    }
965 +
966 + #ifdef IS_MPI
967 +    int myUse = usesDipoles;
968 +    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
969 + #endif //is_mpi
970 +
971 +    double theEcr, theEst;
972 +
973 +    if (globals->getUseRF()){
974 +      info[i].useReactionField = 1;
975 +
976 +      if (!globals->haveECR()){
977 +        sprintf(painCave.errMsg,
978 +                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
979 +                "\tOOPSE will use a default value of 15.0 angstroms"
980 +                "\tfor the electrostaticCutoffRadius.\n");
981 +        painCave.isFatal = 0;
982 +        simError();
983 +        theEcr = 15.0;
984 +      }
985 +      else{
986 +        theEcr = globals->getECR();
987 +      }
988 +
989 +      if (!globals->haveEST()){
990 +        sprintf(painCave.errMsg,
991 +                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
992 +                "\tOOPSE will use a default value of\n"
993 +                "\t0.05 * electrostaticCutoffRadius\n"
994 +                "\tfor the electrostaticSkinThickness\n");
995 +        painCave.isFatal = 0;
996 +        simError();
997 +        theEst = 0.05 * theEcr;
998 +      }
999 +      else{
1000 +        theEst = globals->getEST();
1001 +      }
1002 +
1003 +      info[i].setDefaultEcr(theEcr, theEst);
1004 +
1005 +      if (!globals->haveDielectric()){
1006 +        sprintf(painCave.errMsg,
1007 +                "SimSetup Error: No Dielectric constant was set.\n"
1008 +                "\tYou are trying to use Reaction Field without"
1009 +                "\tsetting a dielectric constant!\n");
1010 +        painCave.isFatal = 1;
1011 +        simError();
1012 +      }
1013 +      info[i].dielectric = globals->getDielectric();
1014 +    }
1015 +    else{
1016 +      if (usesDipoles){
1017 +        if (!globals->haveECR()){
1018 +          sprintf(painCave.errMsg,
1019 +                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
1020 +                  "\tOOPSE will use a default value of 15.0 angstroms"
1021 +                  "\tfor the electrostaticCutoffRadius.\n");
1022 +          painCave.isFatal = 0;
1023 +          simError();
1024 +          theEcr = 15.0;
1025 +        }
1026 +        else{
1027 +          theEcr = globals->getECR();
1028 +        }
1029 +        
1030 +        if (!globals->haveEST()){
1031 +          sprintf(painCave.errMsg,
1032 +                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
1033 +                  "\tOOPSE will use a default value of\n"
1034 +                  "\t0.05 * electrostaticCutoffRadius\n"
1035 +                  "\tfor the electrostaticSkinThickness\n");
1036 +          painCave.isFatal = 0;
1037 +          simError();
1038 +          theEst = 0.05 * theEcr;
1039 +        }
1040 +        else{
1041 +          theEst = globals->getEST();
1042 +        }
1043 +        
1044 +        info[i].setDefaultEcr(theEcr, theEst);
1045 +      }
1046 +    }
1047 +  }
1048 + #ifdef IS_MPI
1049 +  strcpy(checkPointMsg, "post processing checks out");
1050 +  MPIcheckPoint();
1051 + #endif // is_mpi
1052 + }
1053 +  
1054 + void SimSetup::initSystemCoords(void){
1055 +  int i;
1056 +
1057 +  char* inName;
1058 +
1059 +  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1060 +
1061 +  for (i = 0; i < info[0].n_atoms; i++)
1062 +    info[0].atoms[i]->setCoords();
1063 +
1064 +  if (globals->haveInitialConfig()){
1065 +    InitializeFromFile* fileInit;
1066 + #ifdef IS_MPI // is_mpi
1067 +    if (worldRank == 0){
1068 + #endif //is_mpi
1069 +      inName = globals->getInitialConfig();
1070 +      fileInit = new InitializeFromFile(inName);
1071 + #ifdef IS_MPI
1072 +    }
1073 +    else
1074 +      fileInit = new InitializeFromFile(NULL);
1075 + #endif
1076 +    fileInit->readInit(info); // default velocities on
1077 +
1078 +    delete fileInit;
1079 +  }
1080 +  else{
1081 +    
1082 +    // no init from bass
1083 +    
1084 +    sprintf(painCave.errMsg,
1085 +            "Cannot intialize a simulation without an initial configuration file.\n");
1086 +    painCave.isFatal = 1;;
1087 +    simError();
1088 +    
1089 +  }
1090 +
1091 + #ifdef IS_MPI
1092 +  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1093 +  MPIcheckPoint();
1094 + #endif // is_mpi
1095 + }
1096 +
1097 +
1098 + void SimSetup::makeOutNames(void){
1099 +  int k;
1100 +
1101 +
1102 +  for (k = 0; k < nInfo; k++){
1103 + #ifdef IS_MPI
1104 +    if (worldRank == 0){
1105 + #endif // is_mpi
1106 +
1107 +      if (globals->haveFinalConfig()){
1108 +        strcpy(info[k].finalName, globals->getFinalConfig());
1109 +      }
1110 +      else{
1111 +        strcpy(info[k].finalName, inFileName);
1112 +        char* endTest;
1113 +        int nameLength = strlen(info[k].finalName);
1114 +        endTest = &(info[k].finalName[nameLength - 5]);
1115 +        if (!strcmp(endTest, ".bass")){
1116 +          strcpy(endTest, ".eor");
1117 +        }
1118 +        else if (!strcmp(endTest, ".BASS")){
1119 +          strcpy(endTest, ".eor");
1120 +        }
1121 +        else{
1122 +          endTest = &(info[k].finalName[nameLength - 4]);
1123 +          if (!strcmp(endTest, ".bss")){
1124 +            strcpy(endTest, ".eor");
1125 +          }
1126 +          else if (!strcmp(endTest, ".mdl")){
1127 +            strcpy(endTest, ".eor");
1128 +          }
1129 +          else{
1130 +            strcat(info[k].finalName, ".eor");
1131 +          }
1132 +        }
1133 +      }
1134 +
1135 +      // make the sample and status out names
1136 +
1137 +      strcpy(info[k].sampleName, inFileName);
1138 +      char* endTest;
1139 +      int nameLength = strlen(info[k].sampleName);
1140 +      endTest = &(info[k].sampleName[nameLength - 5]);
1141 +      if (!strcmp(endTest, ".bass")){
1142 +        strcpy(endTest, ".dump");
1143 +      }
1144 +      else if (!strcmp(endTest, ".BASS")){
1145 +        strcpy(endTest, ".dump");
1146 +      }
1147 +      else{
1148 +        endTest = &(info[k].sampleName[nameLength - 4]);
1149 +        if (!strcmp(endTest, ".bss")){
1150 +          strcpy(endTest, ".dump");
1151 +        }
1152 +        else if (!strcmp(endTest, ".mdl")){
1153 +          strcpy(endTest, ".dump");
1154 +        }
1155 +        else{
1156 +          strcat(info[k].sampleName, ".dump");
1157 +        }
1158 +      }
1159 +
1160 +      strcpy(info[k].statusName, inFileName);
1161 +      nameLength = strlen(info[k].statusName);
1162 +      endTest = &(info[k].statusName[nameLength - 5]);
1163 +      if (!strcmp(endTest, ".bass")){
1164 +        strcpy(endTest, ".stat");
1165 +      }
1166 +      else if (!strcmp(endTest, ".BASS")){
1167 +        strcpy(endTest, ".stat");
1168 +      }
1169 +      else{
1170 +        endTest = &(info[k].statusName[nameLength - 4]);
1171 +        if (!strcmp(endTest, ".bss")){
1172 +          strcpy(endTest, ".stat");
1173 +        }
1174 +        else if (!strcmp(endTest, ".mdl")){
1175 +          strcpy(endTest, ".stat");
1176 +        }
1177 +        else{
1178 +          strcat(info[k].statusName, ".stat");
1179 +        }
1180 +      }
1181 +
1182 + #ifdef IS_MPI
1183 +
1184 +    }
1185 + #endif // is_mpi
1186 +  }
1187 + }
1188 +
1189 +
1190 + void SimSetup::sysObjectsCreation(void){
1191 +  int i, k;
1192 +
1193 +  // create the forceField
1194 +
1195 +  createFF();
1196 +
1197 +  // extract componentList
1198 +
1199 +  compList();
1200 +
1201 +  // calc the number of atoms, bond, bends, and torsions
1202 +
1203 +  calcSysValues();
1204 +
1205 + #ifdef IS_MPI
1206 +  // divide the molecules among the processors
1207 +
1208 +  mpiMolDivide();
1209 + #endif //is_mpi
1210 +
1211 +  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1212 +
1213 +  makeSysArrays();
1214 +
1215 +  // make and initialize the molecules (all but atomic coordinates)
1216 +
1217 +  makeMolecules();
1218 +
1219 +  for (k = 0; k < nInfo; k++){
1220 +    info[k].identArray = new int[info[k].n_atoms];
1221 +    for (i = 0; i < info[k].n_atoms; i++){
1222 +      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1223 +    }
1224 +  }
1225 + }
1226 +
1227 +
1228 + void SimSetup::createFF(void){
1229 +  switch (ffCase){
1230 +    case FF_DUFF:
1231 +      the_ff = new DUFF();
1232 +      break;
1233 +
1234 +    case FF_LJ:
1235 +      the_ff = new LJFF();
1236 +      break;
1237 +
1238 +    case FF_EAM:
1239 +      the_ff = new EAM_FF();
1240 +      break;
1241 +
1242 +    case FF_H2O:
1243 +      the_ff = new WATER();
1244 +      break;
1245 +
1246 +    default:
1247 +      sprintf(painCave.errMsg,
1248 +              "SimSetup Error. Unrecognized force field in case statement.\n");
1249 +      painCave.isFatal = 1;
1250 +      simError();
1251 +  }
1252 +
1253 + #ifdef IS_MPI
1254 +  strcpy(checkPointMsg, "ForceField creation successful");
1255 +  MPIcheckPoint();
1256 + #endif // is_mpi
1257 + }
1258 +
1259 +
1260 + void SimSetup::compList(void){
1261 +  int i;
1262 +  char* id;
1263 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1264 +  LinkedMolStamp* currentStamp = NULL;
1265 +  comp_stamps = new MoleculeStamp * [n_components];
1266 +
1267 +  // make an array of molecule stamps that match the components used.
1268 +  // also extract the used stamps out into a separate linked list
1269 +
1270 +  for (i = 0; i < nInfo; i++){
1271 +    info[i].nComponents = n_components;
1272 +    info[i].componentsNmol = components_nmol;
1273 +    info[i].compStamps = comp_stamps;
1274 +    info[i].headStamp = headStamp;
1275 +  }
1276 +
1277 +
1278 +  for (i = 0; i < n_components; i++){
1279 +    id = the_components[i]->getType();
1280 +    comp_stamps[i] = NULL;
1281 +
1282 +    // check to make sure the component isn't already in the list
1283 +
1284 +    comp_stamps[i] = headStamp->match(id);
1285 +    if (comp_stamps[i] == NULL){
1286 +      // extract the component from the list;
1287 +
1288 +      currentStamp = stamps->extractMolStamp(id);
1289 +      if (currentStamp == NULL){
1290 +        sprintf(painCave.errMsg,
1291 +                "SimSetup error: Component \"%s\" was not found in the "
1292 +                "list of declared molecules\n",
1293 +                id);
1294 +        painCave.isFatal = 1;
1295 +        simError();
1296 +      }
1297 +
1298 +      headStamp->add(currentStamp);
1299 +      comp_stamps[i] = headStamp->match(id);
1300 +    }
1301 +  }
1302 +
1303 + #ifdef IS_MPI
1304 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1305 +  MPIcheckPoint();
1306 + #endif // is_mpi
1307 + }
1308 +
1309 + void SimSetup::calcSysValues(void){
1310 +  int i;
1311 +
1312 +  int* molMembershipArray;
1313 +
1314 +  tot_atoms = 0;
1315 +  tot_bonds = 0;
1316 +  tot_bends = 0;
1317 +  tot_torsions = 0;
1318 +  tot_rigid = 0;
1319 +  for (i = 0; i < n_components; i++){
1320 +    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1321 +    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1322 +    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1323 +    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1324 +    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1325 +  }
1326 +  
1327 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1328 +  molMembershipArray = new int[tot_atoms];
1329 +
1330 +  for (i = 0; i < nInfo; i++){
1331 +    info[i].n_atoms = tot_atoms;
1332 +    info[i].n_bonds = tot_bonds;
1333 +    info[i].n_bends = tot_bends;
1334 +    info[i].n_torsions = tot_torsions;
1335 +    info[i].n_SRI = tot_SRI;
1336 +    info[i].n_mol = tot_nmol;
1337 +
1338 +    info[i].molMembershipArray = molMembershipArray;
1339 +  }
1340 + }
1341 +
1342 + #ifdef IS_MPI
1343 +
1344 + void SimSetup::mpiMolDivide(void){
1345 +  int i, j, k;
1346 +  int localMol, allMol;
1347 +  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1348 +  int local_rigid;
1349 +
1350 +  mpiSim = new mpiSimulation(info);
1351 +
1352 +  globalIndex = mpiSim->divideLabor();
1353 +
1354 +  // set up the local variables
1355 +
1356 +  mol2proc = mpiSim->getMolToProcMap();
1357 +  molCompType = mpiSim->getMolComponentType();
1358 +
1359 +  allMol = 0;
1360 +  localMol = 0;
1361 +  local_atoms = 0;
1362 +  local_bonds = 0;
1363 +  local_bends = 0;
1364 +  local_torsions = 0;
1365 +  local_rigid = 0;
1366 +  globalAtomIndex = 0;
1367 +
1368 +  for (i = 0; i < n_components; i++){
1369 +    for (j = 0; j < components_nmol[i]; j++){
1370 +      if (mol2proc[allMol] == worldRank){
1371 +        local_atoms += comp_stamps[i]->getNAtoms();
1372 +        local_bonds += comp_stamps[i]->getNBonds();
1373 +        local_bends += comp_stamps[i]->getNBends();
1374 +        local_torsions += comp_stamps[i]->getNTorsions();
1375 +        local_rigid += comp_stamps[i]->getNRigidBodies();
1376 +        localMol++;
1377 +      }      
1378 +      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1379 +        info[0].molMembershipArray[globalAtomIndex] = allMol;
1380 +        globalAtomIndex++;
1381 +      }
1382 +
1383 +      allMol++;
1384 +    }
1385 +  }
1386 +  local_SRI = local_bonds + local_bends + local_torsions;
1387 +
1388 +  info[0].n_atoms = mpiSim->getMyNlocal();  
1389 +  
1390 +
1391 +  if (local_atoms != info[0].n_atoms){
1392 +    sprintf(painCave.errMsg,
1393 +            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1394 +            "\tlocalAtom (%d) are not equal.\n",
1395 +            info[0].n_atoms, local_atoms);
1396 +    painCave.isFatal = 1;
1397 +    simError();
1398 +  }
1399 +
1400 +  info[0].n_bonds = local_bonds;
1401 +  info[0].n_bends = local_bends;
1402 +  info[0].n_torsions = local_torsions;
1403 +  info[0].n_SRI = local_SRI;
1404 +  info[0].n_mol = localMol;
1405 +
1406 +  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1407 +  MPIcheckPoint();
1408 + }
1409 +
1410 + #endif // is_mpi
1411 +
1412 +
1413 + void SimSetup::makeSysArrays(void){
1414 +
1415 + #ifndef IS_MPI
1416 +  int k, j;
1417 + #endif // is_mpi
1418 +  int i, l;
1419 +
1420 +  Atom** the_atoms;
1421 +  Molecule* the_molecules;
1422 +
1423 +  for (l = 0; l < nInfo; l++){
1424 +    // create the atom and short range interaction arrays
1425 +
1426 +    the_atoms = new Atom * [info[l].n_atoms];
1427 +    the_molecules = new Molecule[info[l].n_mol];
1428 +    int molIndex;
1429 +
1430 +    // initialize the molecule's stampID's
1431 +
1432 + #ifdef IS_MPI
1433 +
1434 +
1435 +    molIndex = 0;
1436 +    for (i = 0; i < mpiSim->getTotNmol(); i++){
1437 +      if (mol2proc[i] == worldRank){
1438 +        the_molecules[molIndex].setStampID(molCompType[i]);
1439 +        the_molecules[molIndex].setMyIndex(molIndex);
1440 +        the_molecules[molIndex].setGlobalIndex(i);
1441 +        molIndex++;
1442 +      }
1443 +    }
1444 +
1445 + #else // is_mpi
1446 +
1447 +    molIndex = 0;
1448 +    globalAtomIndex = 0;
1449 +    for (i = 0; i < n_components; i++){
1450 +      for (j = 0; j < components_nmol[i]; j++){
1451 +        the_molecules[molIndex].setStampID(i);
1452 +        the_molecules[molIndex].setMyIndex(molIndex);
1453 +        the_molecules[molIndex].setGlobalIndex(molIndex);
1454 +        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1455 +          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1456 +          globalAtomIndex++;
1457 +        }
1458 +        molIndex++;
1459 +      }
1460 +    }
1461 +
1462 +
1463 + #endif // is_mpi
1464 +
1465 +    info[l].globalExcludes = new int;
1466 +    info[l].globalExcludes[0] = 0;
1467 +    
1468 +    // set the arrays into the SimInfo object
1469 +
1470 +    info[l].atoms = the_atoms;
1471 +    info[l].molecules = the_molecules;
1472 +    info[l].nGlobalExcludes = 0;
1473 +
1474 +    the_ff->setSimInfo(info);
1475 +  }
1476 + }
1477 +
1478 + void SimSetup::makeIntegrator(void){
1479 +  int k;
1480 +
1481 +  NVE<RealIntegrator>* myNVE = NULL;
1482 +  NVT<RealIntegrator>* myNVT = NULL;
1483 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1484 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1485 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1486 +  
1487 +  for (k = 0; k < nInfo; k++){
1488 +    switch (ensembleCase){
1489 +      case NVE_ENS:
1490 +        if (globals->haveZconstraints()){
1491 +          setupZConstraint(info[k]);
1492 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1493 +        }
1494 +        else{
1495 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1496 +        }
1497 +        
1498 +        info->the_integrator = myNVE;
1499 +        break;
1500 +
1501 +      case NVT_ENS:
1502 +        if (globals->haveZconstraints()){
1503 +          setupZConstraint(info[k]);
1504 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1505 +        }
1506 +        else
1507 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1508 +
1509 +        myNVT->setTargetTemp(globals->getTargetTemp());
1510 +
1511 +        if (globals->haveTauThermostat())
1512 +          myNVT->setTauThermostat(globals->getTauThermostat());
1513 +        else{
1514 +          sprintf(painCave.errMsg,
1515 +                  "SimSetup error: If you use the NVT\n"
1516 +                  "\tensemble, you must set tauThermostat.\n");
1517 +          painCave.isFatal = 1;
1518 +          simError();
1519 +        }
1520 +
1521 +        info->the_integrator = myNVT;
1522 +        break;
1523 +
1524 +      case NPTi_ENS:
1525 +        if (globals->haveZconstraints()){
1526 +          setupZConstraint(info[k]);
1527 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1528 +        }
1529 +        else
1530 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1531 +
1532 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1533 +
1534 +        if (globals->haveTargetPressure())
1535 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1536 +        else{
1537 +          sprintf(painCave.errMsg,
1538 +                  "SimSetup error: If you use a constant pressure\n"
1539 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1540 +          painCave.isFatal = 1;
1541 +          simError();
1542 +        }
1543 +
1544 +        if (globals->haveTauThermostat())
1545 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1546 +        else{
1547 +          sprintf(painCave.errMsg,
1548 +                  "SimSetup error: If you use an NPT\n"
1549 +                  "\tensemble, you must set tauThermostat.\n");
1550 +          painCave.isFatal = 1;
1551 +          simError();
1552 +        }
1553 +
1554 +        if (globals->haveTauBarostat())
1555 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1556 +        else{
1557 +          sprintf(painCave.errMsg,
1558 +                  "SimSetup error: If you use an NPT\n"
1559 +                  "\tensemble, you must set tauBarostat.\n");
1560 +          painCave.isFatal = 1;
1561 +          simError();
1562 +        }
1563 +
1564 +        info->the_integrator = myNPTi;
1565 +        break;
1566 +
1567 +      case NPTf_ENS:
1568 +        if (globals->haveZconstraints()){
1569 +          setupZConstraint(info[k]);
1570 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1571 +        }
1572 +        else
1573 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1574 +
1575 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1576 +
1577 +        if (globals->haveTargetPressure())
1578 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1579 +        else{
1580 +          sprintf(painCave.errMsg,
1581 +                  "SimSetup error: If you use a constant pressure\n"
1582 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1583 +          painCave.isFatal = 1;
1584 +          simError();
1585 +        }    
1586 +
1587 +        if (globals->haveTauThermostat())
1588 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1589 +
1590 +        else{
1591 +          sprintf(painCave.errMsg,
1592 +                  "SimSetup error: If you use an NPT\n"
1593 +                  "\tensemble, you must set tauThermostat.\n");
1594 +          painCave.isFatal = 1;
1595 +          simError();
1596 +        }
1597 +
1598 +        if (globals->haveTauBarostat())
1599 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1600 +
1601 +        else{
1602 +          sprintf(painCave.errMsg,
1603 +                  "SimSetup error: If you use an NPT\n"
1604 +                  "\tensemble, you must set tauBarostat.\n");
1605 +          painCave.isFatal = 1;
1606 +          simError();
1607 +        }
1608 +
1609 +        info->the_integrator = myNPTf;
1610 +        break;
1611 +
1612 +      case NPTxyz_ENS:
1613 +        if (globals->haveZconstraints()){
1614 +          setupZConstraint(info[k]);
1615 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1616 +        }
1617 +        else
1618 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1619 +
1620 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1621 +
1622 +        if (globals->haveTargetPressure())
1623 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1624 +        else{
1625 +          sprintf(painCave.errMsg,
1626 +                  "SimSetup error: If you use a constant pressure\n"
1627 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1628 +          painCave.isFatal = 1;
1629 +          simError();
1630 +        }    
1631 +
1632 +        if (globals->haveTauThermostat())
1633 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1634 +        else{
1635 +          sprintf(painCave.errMsg,
1636 +                  "SimSetup error: If you use an NPT\n"
1637 +                  "\tensemble, you must set tauThermostat.\n");
1638 +          painCave.isFatal = 1;
1639 +          simError();
1640 +        }
1641 +
1642 +        if (globals->haveTauBarostat())
1643 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1644 +        else{
1645 +          sprintf(painCave.errMsg,
1646 +                  "SimSetup error: If you use an NPT\n"
1647 +                  "\tensemble, you must set tauBarostat.\n");
1648 +          painCave.isFatal = 1;
1649 +          simError();
1650 +        }
1651 +
1652 +        info->the_integrator = myNPTxyz;
1653 +        break;
1654 +
1655 +      default:
1656 +        sprintf(painCave.errMsg,
1657 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1658 +        painCave.isFatal = 1;
1659 +        simError();
1660 +    }
1661    }
1662   }
1663 +
1664 + void SimSetup::initFortran(void){
1665 +  info[0].refreshSim();
1666 +
1667 +  if (!strcmp(info[0].mixingRule, "standard")){
1668 +    the_ff->initForceField(LB_MIXING_RULE);
1669 +  }
1670 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1671 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1672 +  }
1673 +  else{
1674 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1675 +            info[0].mixingRule);
1676 +    painCave.isFatal = 1;
1677 +    simError();
1678 +  }
1679 +
1680 +
1681 + #ifdef IS_MPI
1682 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1683 +  MPIcheckPoint();
1684 + #endif // is_mpi
1685 + }
1686 +
1687 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1688 +  int nZConstraints;
1689 +  ZconStamp** zconStamp;
1690 +
1691 +  if (globals->haveZconstraintTime()){
1692 +    //add sample time of z-constraint  into SimInfo's property list                    
1693 +    DoubleData* zconsTimeProp = new DoubleData();
1694 +    zconsTimeProp->setID(ZCONSTIME_ID);
1695 +    zconsTimeProp->setData(globals->getZconsTime());
1696 +    theInfo.addProperty(zconsTimeProp);
1697 +  }
1698 +  else{
1699 +    sprintf(painCave.errMsg,
1700 +            "ZConstraint error: If you use a ZConstraint,\n"
1701 +            "\tyou must set zconsTime.\n");
1702 +    painCave.isFatal = 1;
1703 +    simError();
1704 +  }
1705 +
1706 +  //push zconsTol into siminfo, if user does not specify
1707 +  //value for zconsTol, a default value will be used
1708 +  DoubleData* zconsTol = new DoubleData();
1709 +  zconsTol->setID(ZCONSTOL_ID);
1710 +  if (globals->haveZconsTol()){
1711 +    zconsTol->setData(globals->getZconsTol());
1712 +  }
1713 +  else{
1714 +    double defaultZConsTol = 0.01;
1715 +    sprintf(painCave.errMsg,
1716 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1717 +            "\tOOPSE will use a default value of %f.\n"
1718 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1719 +            defaultZConsTol);
1720 +    painCave.isFatal = 0;
1721 +    simError();      
1722 +
1723 +    zconsTol->setData(defaultZConsTol);
1724 +  }
1725 +  theInfo.addProperty(zconsTol);
1726 +
1727 +  //set Force Subtraction Policy
1728 +  StringData* zconsForcePolicy = new StringData();
1729 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1730 +
1731 +  if (globals->haveZconsForcePolicy()){
1732 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1733 +  }
1734 +  else{
1735 +    sprintf(painCave.errMsg,
1736 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1737 +            "\tOOPSE will use PolicyByMass.\n"
1738 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1739 +    painCave.isFatal = 0;
1740 +    simError();
1741 +    zconsForcePolicy->setData("BYMASS");
1742 +  }
1743 +
1744 +  theInfo.addProperty(zconsForcePolicy);
1745 +
1746 +  //set zcons gap
1747 +  DoubleData* zconsGap = new DoubleData();
1748 +  zconsGap->setID(ZCONSGAP_ID);
1749 +
1750 +  if (globals->haveZConsGap()){
1751 +    zconsGap->setData(globals->getZconsGap());
1752 +    theInfo.addProperty(zconsGap);  
1753 +  }
1754 +
1755 +  //set zcons fixtime
1756 +  DoubleData* zconsFixtime = new DoubleData();
1757 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
1758 +
1759 +  if (globals->haveZConsFixTime()){
1760 +    zconsFixtime->setData(globals->getZconsFixtime());
1761 +    theInfo.addProperty(zconsFixtime);  
1762 +  }
1763 +
1764 +  //set zconsUsingSMD
1765 +  IntData* zconsUsingSMD = new IntData();
1766 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
1767 +
1768 +  if (globals->haveZConsUsingSMD()){
1769 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
1770 +    theInfo.addProperty(zconsUsingSMD);  
1771 +  }
1772 +
1773 +  //Determine the name of ouput file and add it into SimInfo's property list
1774 +  //Be careful, do not use inFileName, since it is a pointer which
1775 +  //point to a string at master node, and slave nodes do not contain that string
1776 +
1777 +  string zconsOutput(theInfo.finalName);
1778 +
1779 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1780 +
1781 +  StringData* zconsFilename = new StringData();
1782 +  zconsFilename->setID(ZCONSFILENAME_ID);
1783 +  zconsFilename->setData(zconsOutput);
1784 +
1785 +  theInfo.addProperty(zconsFilename);
1786 +
1787 +  //setup index, pos and other parameters of z-constraint molecules
1788 +  nZConstraints = globals->getNzConstraints();
1789 +  theInfo.nZconstraints = nZConstraints;
1790 +
1791 +  zconStamp = globals->getZconStamp();
1792 +  ZConsParaItem tempParaItem;
1793 +
1794 +  ZConsParaData* zconsParaData = new ZConsParaData();
1795 +  zconsParaData->setID(ZCONSPARADATA_ID);
1796 +
1797 +  for (int i = 0; i < nZConstraints; i++){
1798 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1799 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1800 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1801 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1802 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
1803 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
1804 +    zconsParaData->addItem(tempParaItem);
1805 +  }
1806 +
1807 +  //check the uniqueness of index  
1808 +  if(!zconsParaData->isIndexUnique()){
1809 +    sprintf(painCave.errMsg,
1810 +            "ZConstraint Error: molIndex is not unique!\n");
1811 +    painCave.isFatal = 1;
1812 +    simError();
1813 +  }
1814 +
1815 +  //sort the parameters by index of molecules
1816 +  zconsParaData->sortByIndex();
1817 +  
1818 +  //push data into siminfo, therefore, we can retrieve later
1819 +  theInfo.addProperty(zconsParaData);
1820 + }
1821 +
1822 + void SimSetup::makeMinimizer(){
1823 +
1824 +  OOPSEMinimizer* myOOPSEMinimizer;
1825 +  MinimizerParameterSet* param;
1826 +  char minimizerName[100];
1827 +  
1828 +  for (int i = 0; i < nInfo; i++){
1829 +    
1830 +    //prepare parameter set for minimizer
1831 +    param = new MinimizerParameterSet();
1832 +    param->setDefaultParameter();
1833 +
1834 +    if (globals->haveMinimizer()){
1835 +      param->setFTol(globals->getMinFTol());
1836 +    }
1837 +
1838 +    if (globals->haveMinGTol()){
1839 +      param->setGTol(globals->getMinGTol());
1840 +    }
1841 +
1842 +    if (globals->haveMinMaxIter()){
1843 +      param->setMaxIteration(globals->getMinMaxIter());
1844 +    }
1845 +
1846 +    if (globals->haveMinWriteFrq()){
1847 +      param->setMaxIteration(globals->getMinMaxIter());
1848 +    }
1849 +
1850 +    if (globals->haveMinWriteFrq()){
1851 +      param->setWriteFrq(globals->getMinWriteFrq());
1852 +    }
1853 +    
1854 +    if (globals->haveMinStepSize()){
1855 +      param->setStepSize(globals->getMinStepSize());
1856 +    }
1857 +
1858 +    if (globals->haveMinLSMaxIter()){
1859 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1860 +    }    
1861 +
1862 +    if (globals->haveMinLSTol()){
1863 +      param->setLineSearchTol(globals->getMinLSTol());
1864 +    }    
1865 +
1866 +    strcpy(minimizerName, globals->getMinimizer());
1867 +
1868 +    if (!strcasecmp(minimizerName, "CG")){
1869 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1870 +    }
1871 +    else if (!strcasecmp(minimizerName, "SD")){
1872 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1873 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1874 +    }
1875 +    else{
1876 +          sprintf(painCave.errMsg,
1877 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
1878 +          painCave.isFatal = 0;
1879 +          simError();
1880 +
1881 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
1882 +    }
1883 +     info[i].the_integrator = myOOPSEMinimizer;
1884 +
1885 +     //store the minimizer into simInfo
1886 +     info[i].the_minimizer = myOOPSEMinimizer;
1887 +     info[i].has_minimizer = true;
1888 +  }
1889 +
1890 + }

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