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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 469 by mmeineke, Mon Apr 7 20:06:31 2003 UTC vs.
Revision 1211 by tim, Tue Jun 1 15:57:30 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 "OOPSEMinimizer.hpp"
14 + //#include "ConstraintElement.hpp"
15 + //#include "ConstraintPair.hpp"
16  
17   #ifdef IS_MPI
18   #include "mpiBASS.h"
19   #include "mpiSimulation.hpp"
20   #endif
21  
22 + // some defines for ensemble and Forcefield  cases
23 +
24 + #define NVE_ENS        0
25 + #define NVT_ENS        1
26 + #define NPTi_ENS       2
27 + #define NPTf_ENS       3
28 + #define NPTxyz_ENS     4
29 +
30 +
31 + #define FF_DUFF  0
32 + #define FF_LJ    1
33 + #define FF_EAM   2
34 + #define FF_H2O   3
35 +
36 + using namespace std;
37 +
38 + /**
39 + * Check whether dividend is divisble by divisor or not
40 + */
41 + bool isDivisible(double dividend, double divisor){
42 +  double tolerance = 0.000001;
43 +  double quotient;
44 +  double diff;
45 +  int intQuotient;
46 +  
47 +  quotient = dividend / divisor;
48 +
49 +  if (quotient < 0)
50 +    quotient = -quotient;
51 +
52 +  intQuotient = int (quotient + tolerance);
53 +
54 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
55 +
56 +  if (diff <= tolerance)
57 +    return true;
58 +  else
59 +    return false;  
60 + }
61 +
62   SimSetup::SimSetup(){
63 +  
64 +  initSuspend = false;
65 +  isInfoArray = 0;
66 +  nInfo = 1;
67 +
68    stamps = new MakeStamps();
69    globals = new Globals();
70 <  
70 >
71 >
72   #ifdef IS_MPI
73 <  strcpy( checkPointMsg, "SimSetup creation successful" );
73 >  strcpy(checkPointMsg, "SimSetup creation successful");
74    MPIcheckPoint();
75   #endif // IS_MPI
76   }
# Line 27 | Line 80 | SimSetup::~SimSetup(){
80    delete globals;
81   }
82  
83 < void SimSetup::parseFile( char* fileName ){
83 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
84 >  info = the_info;
85 >  nInfo = theNinfo;
86 >  isInfoArray = 1;
87 >  initSuspend = true;
88 > }
89  
90 +
91 + void SimSetup::parseFile(char* fileName){
92   #ifdef IS_MPI
93 <  if( worldRank == 0 ){
93 >  if (worldRank == 0){
94   #endif // is_mpi
95 <    
95 >
96      inFileName = fileName;
97 <    set_interface_stamps( stamps, globals );
98 <    
97 >    set_interface_stamps(stamps, globals);
98 >
99   #ifdef IS_MPI
100      mpiEventInit();
101   #endif
102  
103 <    yacc_BASS( fileName );
103 >    yacc_BASS(fileName);
104  
105   #ifdef IS_MPI
106      throwMPIEvent(NULL);
107    }
108 <  else receiveParse();
108 >  else{
109 >    receiveParse();
110 >  }
111   #endif
112  
113   }
114  
115   #ifdef IS_MPI
116   void SimSetup::receiveParse(void){
117 <
118 <    set_interface_stamps( stamps, globals );
119 <    mpiEventInit();
120 <    MPIcheckPoint();
59 <    mpiEventLoop();
60 <
117 >  set_interface_stamps(stamps, globals);
118 >  mpiEventInit();
119 >  MPIcheckPoint();
120 >  mpiEventLoop();
121   }
122  
123   #endif // is_mpi
124  
125 < void SimSetup::createSim( void ){
125 > void SimSetup::createSim(void){
126  
127 <  MakeStamps *the_stamps;
68 <  Globals* the_globals;
69 <  ExtendedSystem* the_extendedsystem;
70 <  int i, j;
127 >  // gather all of the information from the Bass file
128  
129 <  // get the stamps and globals;
73 <  the_stamps = stamps;
74 <  the_globals = globals;
129 >  gatherInfo();
130  
131 <  // set the easy ones first
77 <  simnfo->target_temp = the_globals->getTargetTemp();
78 <  simnfo->dt = the_globals->getDt();
79 <  simnfo->run_time = the_globals->getRunTime();
131 >  // creation of complex system objects
132  
133 <  // get the ones we know are there, yet still may need some work.
82 <  n_components = the_globals->getNComponents();
83 <  strcpy( force_field, the_globals->getForceField() );
133 >  sysObjectsCreation();
134  
135 <  // get the ensemble and set up an extended system if we need it:
86 <  strcpy( ensemble, the_globals->getEnsemble() );
87 <  if( !strcasecmp( ensemble, "NPT" ) ) {
88 <    the_extendedsystem = new ExtendedSystem( simnfo );
89 <    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
90 <    the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
91 <  } else if ( !strcasecmp( ensemble, "NVT") ) {
92 <    the_extendedsystem = new ExtendedSystem( simnfo );
93 <    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
94 <  } else if ( !strcasecmp( ensemble, "NVE") ) {
95 <  } else {
96 <    sprintf( painCave.errMsg,
97 <             "SimSetup Warning. Unrecognized Ensemble -> %s, "
98 <             "reverting to NVE for this simulation.\n",
99 <             ensemble );
100 <    painCave.isFatal = 0;
101 <    simError();
102 <    strcpy( ensemble, "NVE" );
103 <  }  
104 <  strcpy( simnfo->ensemble, ensemble );
135 >  // check on the post processing info
136  
137 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
107 <  simnfo->usePBC = the_globals->getPBC();
108 <          
109 <  int usesDipoles = 0;
110 <  if( !strcmp( force_field, "TraPPE_Ex" ) ){
111 <    the_ff = new TraPPE_ExFF();
112 <    usesDipoles = 1;
113 <  }
114 <  else if( !strcasecmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
115 <  else{
116 <    sprintf( painCave.errMsg,
117 <             "SimSetup Error. Unrecognized force field -> %s\n",
118 <             force_field );
119 <    painCave.isFatal = 1;
120 <    simError();
121 <  }
137 >  finalInfoCheck();
138  
139 < #ifdef IS_MPI
124 <  strcpy( checkPointMsg, "ForceField creation successful" );
125 <  MPIcheckPoint();
126 < #endif // is_mpi
139 >  // initialize the system coordinates
140  
141 <  
141 >  if ( !initSuspend ){
142 >    initSystemCoords();
143  
144 <  // get the components and calculate the tot_nMol and indvidual n_mol
145 <  the_components = the_globals->getComponents();
146 <  components_nmol = new int[n_components];
133 <  comp_stamps = new MoleculeStamp*[n_components];
144 >    if( !(globals->getUseInitTime()) )
145 >      info[0].currentTime = 0.0;
146 >  }  
147  
148 <  if( !the_globals->haveNMol() ){
136 <    // we don't have the total number of molecules, so we assume it is
137 <    // given in each component
148 >  // make the output filenames
149  
150 <    tot_nmol = 0;
151 <    for( i=0; i<n_components; i++ ){
150 >  makeOutNames();
151 >  
152 > #ifdef IS_MPI
153 >  mpiSim->mpiRefresh();
154 > #endif
155  
156 <      if( !the_components[i]->haveNMol() ){
143 <        // we have a problem
144 <        sprintf( painCave.errMsg,
145 <                 "SimSetup Error. No global NMol or component NMol"
146 <                 " given. Cannot calculate the number of atoms.\n" );
147 <        painCave.isFatal = 1;
148 <        simError();
149 <      }
156 >  // initialize the Fortran
157  
158 <      tot_nmol += the_components[i]->getNMol();
152 <      components_nmol[i] = the_components[i]->getNMol();
153 <    }
154 <  }
155 <  else{
156 <    sprintf( painCave.errMsg,
157 <             "SimSetup error.\n"
158 <             "\tSorry, the ability to specify total"
159 <             " nMols and then give molfractions in the components\n"
160 <             "\tis not currently supported."
161 <             " Please give nMol in the components.\n" );
162 <    painCave.isFatal = 1;
163 <    simError();
164 <    
165 <    
166 <    //     tot_nmol = the_globals->getNMol();
167 <    
168 <    //   //we have the total number of molecules, now we check for molfractions
169 <    //     for( i=0; i<n_components; i++ ){
170 <    
171 <    //       if( !the_components[i]->haveMolFraction() ){
172 <    
173 <    //  if( !the_components[i]->haveNMol() ){
174 <    //    //we have a problem
175 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
176 <    //              << " nMol was given in component
177 <    
178 <  }
158 >  initFortran();
159  
160 < #ifdef IS_MPI
161 <  strcpy( checkPointMsg, "Have the number of components" );
162 <  MPIcheckPoint();
163 < #endif // is_mpi
160 >  if (globals->haveMinimizer())
161 >    // make minimizer
162 >    makeMinimizer();
163 >  else
164 >    // make the integrator
165 >    makeIntegrator();
166  
167 <  // make an array of molecule stamps that match the components used.
186 <  // also extract the used stamps out into a separate linked list
167 > }
168  
188  simnfo->nComponents = n_components;
189  simnfo->componentsNmol = components_nmol;
190  simnfo->compStamps = comp_stamps;
191  simnfo->headStamp = new LinkedMolStamp();
192  
193  char* id;
194  LinkedMolStamp* headStamp = simnfo->headStamp;
195  LinkedMolStamp* currentStamp = NULL;
196  for( i=0; i<n_components; i++ ){
169  
170 <    id = the_components[i]->getType();
171 <    comp_stamps[i] = NULL;
172 <    
173 <    // check to make sure the component isn't already in the list
170 > void SimSetup::makeMolecules(void){
171 >  int i, j, k;
172 >  int exI, exJ, exK, exL, slI, slJ;
173 >  int tempI, tempJ, tempK, tempL;
174 >  int molI;
175 >  int stampID, atomOffset, rbOffset;
176 >  molInit molInfo;
177 >  DirectionalAtom* dAtom;
178 >  RigidBody* myRB;
179 >  StuntDouble* mySD;
180 >  LinkedAssign* extras;
181 >  LinkedAssign* current_extra;
182 >  AtomStamp* currentAtom;
183 >  BondStamp* currentBond;
184 >  BendStamp* currentBend;
185 >  TorsionStamp* currentTorsion;
186 >  RigidBodyStamp* currentRigidBody;
187 >  CutoffGroupStamp* currentCutoffGroup;
188 >  CutoffGroup* myCutoffGroup;
189 >  int nCutoffGroups;// number of cutoff group of a molecule defined in mdl file
190 >  set<int> cutoffAtomSet; //atoms belong to  cutoffgroup defined at mdl file
191  
192 <    comp_stamps[i] = headStamp->match( id );
193 <    if( comp_stamps[i] == NULL ){
194 <      
206 <      // extract the component from the list;
207 <      
208 <      currentStamp = the_stamps->extractMolStamp( id );
209 <      if( currentStamp == NULL ){
210 <        sprintf( painCave.errMsg,
211 <                 "SimSetup error: Component \"%s\" was not found in the "
212 <                 "list of declared molecules\n",
213 <                 id );
214 <        painCave.isFatal = 1;
215 <        simError();
216 <      }
217 <      
218 <      headStamp->add( currentStamp );
219 <      comp_stamps[i] = headStamp->match( id );
220 <    }
221 <  }
192 >  bond_pair* theBonds;
193 >  bend_set* theBends;
194 >  torsion_set* theTorsions;
195  
196 < #ifdef IS_MPI
224 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
225 <  MPIcheckPoint();
226 < #endif // is_mpi
227 <  
196 >  set<int> skipList;
197  
198 +  double phi, theta, psi;
199 +  char* molName;
200 +  char rbName[100];
201  
202 <
203 <  // caclulate the number of atoms, bonds, bends and torsions
202 >  //ConstraintPair* consPair; //constraint pair
203 >  //ConstraintElement* consElement1;  //first element of constraint pair
204 >  //ConstraintElement* consElement2;  //second element of constraint pair
205 >  //int whichRigidBody;
206 >  //int consAtomIndex;  //index of constraint atom in rigid body's atom array
207 >  //vector<pair<int, int> > jointAtoms;
208 >  //init the forceField paramters
209  
210 <  tot_atoms = 0;
234 <  tot_bonds = 0;
235 <  tot_bends = 0;
236 <  tot_torsions = 0;
237 <  for( i=0; i<n_components; i++ ){
238 <    
239 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
240 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
241 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
242 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
243 <  }
210 >  the_ff->readParams();
211  
212 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
212 >  // init the atoms
213  
214 <  simnfo->n_atoms = tot_atoms;
248 <  simnfo->n_bonds = tot_bonds;
249 <  simnfo->n_bends = tot_bends;
250 <  simnfo->n_torsions = tot_torsions;
251 <  simnfo->n_SRI = tot_SRI;
252 <  simnfo->n_mol = tot_nmol;
214 >  int nMembers, nNew, rb1, rb2;
215  
216 <  
217 < #ifdef IS_MPI
216 >  for (k = 0; k < nInfo; k++){
217 >    the_ff->setSimInfo(&(info[k]));
218  
219 <  // divide the molecules among processors here.
220 <  
259 <  mpiSim = new mpiSimulation( simnfo );
260 <  
261 <  
219 >    atomOffset = 0;
220 >    groupOffset = 0;
221  
222 <  globalIndex = mpiSim->divideLabor();
222 >    for (i = 0; i < info[k].n_mol; i++){
223 >      stampID = info[k].molecules[i].getStampID();
224 >      molName = comp_stamps[stampID]->getID();
225  
226 <  // set up the local variables
227 <  
228 <  int localMol, allMol;
229 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
226 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
227 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
228 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
229 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
230 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
231  
232 <  int* mol2proc = mpiSim->getMolToProcMap();
271 <  int* molCompType = mpiSim->getMolComponentType();
272 <  
273 <  allMol = 0;
274 <  localMol = 0;
275 <  local_atoms = 0;
276 <  local_bonds = 0;
277 <  local_bends = 0;
278 <  local_torsions = 0;
279 <  for( i=0; i<n_components; i++ ){
280 <
281 <    for( j=0; j<components_nmol[i]; j++ ){
232 >      nCutoffGroups = comp_stamps[stampID]->getNCutoffGroups();
233        
234 <      if( mol2proc[j] == worldRank ){
284 <        
285 <        local_atoms +=    comp_stamps[i]->getNAtoms();
286 <        local_bonds +=    comp_stamps[i]->getNBonds();
287 <        local_bends +=    comp_stamps[i]->getNBends();
288 <        local_torsions += comp_stamps[i]->getNTorsions();
289 <        localMol++;
290 <      }      
291 <      allMol++;
292 <    }
293 <  }
294 <  local_SRI = local_bonds + local_bends + local_torsions;
295 <  
234 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
235  
236 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
237 <  
238 <  if( local_atoms != simnfo->n_atoms ){
239 <    sprintf( painCave.errMsg,
301 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
302 <             " localAtom (%d) are not equal.\n",
303 <             simnfo->n_atoms,
304 <             local_atoms );
305 <    painCave.isFatal = 1;
306 <    simError();
307 <  }
236 >      if (molInfo.nBonds > 0)
237 >        molInfo.myBonds = new Bond*[molInfo.nBonds];
238 >      else
239 >        molInfo.myBonds = NULL;
240  
241 <  simnfo->n_bonds = local_bonds;
242 <  simnfo->n_bends = local_bends;
243 <  simnfo->n_torsions = local_torsions;
244 <  simnfo->n_SRI = local_SRI;
313 <  simnfo->n_mol = localMol;
241 >      if (molInfo.nBends > 0)
242 >        molInfo.myBends = new Bend*[molInfo.nBends];
243 >      else
244 >        molInfo.myBends = NULL;
245  
246 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
247 <  MPIcheckPoint();
248 <  
249 <  
319 < #endif // is_mpi
320 <  
246 >      if (molInfo.nTorsions > 0)
247 >        molInfo.myTorsions = new Torsion *[molInfo.nTorsions];
248 >      else
249 >        molInfo.myTorsions = NULL;
250  
251 <  // create the atom and short range interaction arrays
251 >      theBonds = new bond_pair[molInfo.nBonds];
252 >      theBends = new bend_set[molInfo.nBends];
253 >      theTorsions = new torsion_set[molInfo.nTorsions];
254 >      
255 >      // make the Atoms
256  
257 <  Atom::createArrays(simnfo->n_atoms);
258 <  the_atoms = new Atom*[simnfo->n_atoms];
326 <  the_molecules = new Molecule[simnfo->n_mol];
327 <  int molIndex;
257 >      for (j = 0; j < molInfo.nAtoms; j++){
258 >        currentAtom = comp_stamps[stampID]->getAtom(j);
259  
260 <  // initialize the molecule's stampID's
260 >        if (currentAtom->haveOrientation()){
261 >          dAtom = new DirectionalAtom((j + atomOffset),
262 >                                      info[k].getConfiguration());
263 >          info[k].n_oriented++;
264 >          molInfo.myAtoms[j] = dAtom;
265  
266 < #ifdef IS_MPI
267 <  
266 >          // Directional Atoms have standard unit vectors which are oriented
267 >          // in space using the three Euler angles.  We assume the standard
268 >          // unit vector was originally along the z axis below.
269  
270 <  molIndex = 0;
271 <  for(i=0; i<mpiSim->getTotNmol(); i++){
272 <    
337 <    if(mol2proc[i] == worldRank ){
338 <      the_molecules[molIndex].setStampID( molCompType[i] );
339 <      the_molecules[molIndex].setMyIndex( molIndex );
340 <      molIndex++;
341 <    }
342 <  }
270 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
271 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
272 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
273  
274 < #else // is_mpi
275 <  
276 <  molIndex = 0;
277 <  for(i=0; i<n_components; i++){
348 <    for(j=0; j<components_nmol[i]; j++ ){
349 <      the_molecules[molIndex].setStampID( i );
350 <      the_molecules[molIndex].setMyIndex( molIndex );
351 <      molIndex++;
352 <    }
353 <  }
354 <    
274 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
275 >            
276 >        }
277 >        else{
278  
279 < #endif // is_mpi
279 >          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
280  
281 +        }
282  
283 <  if( simnfo->n_SRI ){
284 <    
361 <    Exclude::createArray(simnfo->n_SRI);
362 <    the_excludes = new Exclude*[simnfo->n_SRI];
363 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
364 <    simnfo->globalExcludes = new int;
365 <    simnfo->n_exclude = simnfo->n_SRI;
366 <  }
367 <  else{
368 <    
369 <    Exclude::createArray( 1 );
370 <    the_excludes = new Exclude*;
371 <    the_excludes[0] = new Exclude(0);
372 <    the_excludes[0]->setPair( 0,0 );
373 <    simnfo->globalExcludes = new int;
374 <    simnfo->globalExcludes[0] = 0;
375 <    simnfo->n_exclude = 0;
376 <  }
283 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
284 > #ifdef IS_MPI
285  
286 <  // set the arrays into the SimInfo object
286 >        molInfo.myAtoms[j]->setGlobalIndex(globalAtomIndex[j + atomOffset]);
287  
288 <  simnfo->atoms = the_atoms;
289 <  simnfo->molecules = the_molecules;
382 <  simnfo->nGlobalExcludes = 0;
383 <  simnfo->excludes = the_excludes;
288 > #endif // is_mpi
289 >      }
290  
291 +      // make the bonds
292 +      for (j = 0; j < molInfo.nBonds; j++){
293 +        currentBond = comp_stamps[stampID]->getBond(j);
294 +        theBonds[j].a = currentBond->getA() + atomOffset;
295 +        theBonds[j].b = currentBond->getB() + atomOffset;
296  
297 <  // get some of the tricky things that may still be in the globals
297 >        tempI = theBonds[j].a;
298 >        tempJ = theBonds[j].b;
299  
300 <  
301 <  if( the_globals->haveBox() ){
302 <    simnfo->box_x = the_globals->getBox();
303 <    simnfo->box_y = the_globals->getBox();
304 <    simnfo->box_z = the_globals->getBox();
305 <  }
306 <  else if( the_globals->haveDensity() ){
300 > #ifdef IS_MPI
301 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
302 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
303 > #else
304 >        exI = tempI + 1;
305 >        exJ = tempJ + 1;
306 > #endif
307  
308 <    double vol;
309 <    vol = (double)tot_nmol / the_globals->getDensity();
398 <    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
399 <    simnfo->box_y = simnfo->box_x;
400 <    simnfo->box_z = simnfo->box_x;
401 <  }
402 <  else{
403 <    if( !the_globals->haveBoxX() ){
404 <      sprintf( painCave.errMsg,
405 <               "SimSetup error, no periodic BoxX size given.\n" );
406 <      painCave.isFatal = 1;
407 <      simError();
408 <    }
409 <    simnfo->box_x = the_globals->getBoxX();
308 >        info[k].excludes->addPair(exI, exJ);
309 >      }
310  
311 <    if( !the_globals->haveBoxY() ){
312 <      sprintf( painCave.errMsg,
313 <               "SimSetup error, no periodic BoxY size given.\n" );
314 <      painCave.isFatal = 1;
315 <      simError();
316 <    }
417 <    simnfo->box_y = the_globals->getBoxY();
311 >      //make the bends
312 >      for (j = 0; j < molInfo.nBends; j++){
313 >        currentBend = comp_stamps[stampID]->getBend(j);
314 >        theBends[j].a = currentBend->getA() + atomOffset;
315 >        theBends[j].b = currentBend->getB() + atomOffset;
316 >        theBends[j].c = currentBend->getC() + atomOffset;
317  
318 <    if( !the_globals->haveBoxZ() ){
319 <      sprintf( painCave.errMsg,
320 <               "SimSetup error, no periodic BoxZ size given.\n" );
422 <      painCave.isFatal = 1;
423 <      simError();
424 <    }
425 <    simnfo->box_z = the_globals->getBoxZ();
426 <  }
318 >        if (currentBend->haveExtras()){
319 >          extras = currentBend->getExtras();
320 >          current_extra = extras;
321  
322 < #ifdef IS_MPI
323 <  strcpy( checkPointMsg, "Box size set up" );
324 <  MPIcheckPoint();
325 < #endif // is_mpi
322 >          while (current_extra != NULL){
323 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
324 >              switch (current_extra->getType()){
325 >                case 0:
326 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
327 >                  theBends[j].isGhost = 1;
328 >                  break;
329  
330 +                case 1:
331 +                  theBends[j].ghost = (int) current_extra->getDouble() +
332 +                                      atomOffset;
333 +                  theBends[j].isGhost = 1;
334 +                  break;
335  
336 <  // initialize the arrays
336 >                default:
337 >                  sprintf(painCave.errMsg,
338 >                          "SimSetup Error: ghostVectorSource was neither a "
339 >                          "double nor an int.\n"
340 >                          "-->Bend[%d] in %s\n",
341 >                          j, comp_stamps[stampID]->getID());
342 >                  painCave.isFatal = 1;
343 >                  simError();
344 >              }
345 >            }
346 >            else{
347 >              sprintf(painCave.errMsg,
348 >                      "SimSetup Error: unhandled bend assignment:\n"
349 >                      "    -->%s in Bend[%d] in %s\n",
350 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
351 >              painCave.isFatal = 1;
352 >              simError();
353 >            }
354  
355 <  the_ff->setSimInfo( simnfo );
355 >            current_extra = current_extra->getNext();
356 >          }
357 >        }
358  
359 <  makeMolecules();
360 <  simnfo->identArray = new int[simnfo->n_atoms];
361 <  for(i=0; i<simnfo->n_atoms; i++){
362 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
363 <  }
364 <  
365 <  if (the_globals->getUseRF() ) {
366 <    simnfo->useReactionField = 1;
367 <  
368 <    if( !the_globals->haveECR() ){
369 <      sprintf( painCave.errMsg,
370 <               "SimSetup Warning: using default value of 1/2 the smallest "
371 <               "box length for the electrostaticCutoffRadius.\n"
451 <               "I hope you have a very fast processor!\n");
452 <      painCave.isFatal = 0;
453 <      simError();
454 <      double smallest;
455 <      smallest = simnfo->box_x;
456 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
457 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
458 <      simnfo->ecr = 0.5 * smallest;
459 <    } else {
460 <      simnfo->ecr        = the_globals->getECR();
461 <    }
359 >        if (theBends[j].isGhost) {
360 >          
361 >          tempI = theBends[j].a;
362 >          tempJ = theBends[j].b;
363 >          
364 > #ifdef IS_MPI
365 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
366 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
367 > #else
368 >          exI = tempI + 1;
369 >          exJ = tempJ + 1;
370 > #endif          
371 >          info[k].excludes->addPair(exI, exJ);
372  
373 <    if( !the_globals->haveEST() ){
464 <      sprintf( painCave.errMsg,
465 <               "SimSetup Warning: using default value of 0.05 * the "
466 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
467 <               );
468 <      painCave.isFatal = 0;
469 <      simError();
470 <      simnfo->est = 0.05 * simnfo->ecr;
471 <    } else {
472 <      simnfo->est        = the_globals->getEST();
473 <    }
474 <    
475 <    if(!the_globals->haveDielectric() ){
476 <      sprintf( painCave.errMsg,
477 <               "SimSetup Error: You are trying to use Reaction Field without"
478 <               "setting a dielectric constant!\n"
479 <               );
480 <      painCave.isFatal = 1;
481 <      simError();
482 <    }
483 <    simnfo->dielectric = the_globals->getDielectric();  
484 <  } else {
485 <    if (usesDipoles) {
486 <      
487 <      if( !the_globals->haveECR() ){
488 <        sprintf( painCave.errMsg,
489 <                 "SimSetup Warning: using default value of 1/2 the smallest "
490 <                 "box length for the electrostaticCutoffRadius.\n"
491 <                 "I hope you have a very fast processor!\n");
492 <        painCave.isFatal = 0;
493 <        simError();
494 <        double smallest;
495 <        smallest = simnfo->box_x;
496 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
497 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
498 <        simnfo->ecr = 0.5 * smallest;
499 <      } else {
500 <        simnfo->ecr        = the_globals->getECR();
501 <      }
502 <      
503 <      if( !the_globals->haveEST() ){
504 <        sprintf( painCave.errMsg,
505 <                 "SimSetup Warning: using default value of 5%% of the "
506 <                 "electrostaticCutoffRadius for the "
507 <                 "electrostaticSkinThickness\n"
508 <                 );
509 <        painCave.isFatal = 0;
510 <        simError();
511 <        simnfo->est = 0.05 * simnfo->ecr;
512 <      } else {
513 <        simnfo->est        = the_globals->getEST();
514 <      }
515 <    }
516 <  }  
373 >        } else {
374  
375 +          tempI = theBends[j].a;
376 +          tempJ = theBends[j].b;
377 +          tempK = theBends[j].c;
378 +          
379   #ifdef IS_MPI
380 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
381 <  MPIcheckPoint();
382 < #endif // is_mpi
380 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
381 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
382 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
383 > #else
384 >          exI = tempI + 1;
385 >          exJ = tempJ + 1;
386 >          exK = tempK + 1;
387 > #endif
388 >          
389 >          info[k].excludes->addPair(exI, exK);
390 >          info[k].excludes->addPair(exI, exJ);
391 >          info[k].excludes->addPair(exJ, exK);
392 >        }
393 >      }
394  
395 < if( the_globals->haveInitialConfig() ){
396 <
397 <     InitializeFromFile* fileInit;
398 < #ifdef IS_MPI // is_mpi
399 <     if( worldRank == 0 ){
400 < #endif //is_mpi
401 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
395 >      for (j = 0; j < molInfo.nTorsions; j++){
396 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
397 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
398 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
399 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
400 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
401 >
402 >        tempI = theTorsions[j].a;      
403 >        tempJ = theTorsions[j].b;
404 >        tempK = theTorsions[j].c;
405 >        tempL = theTorsions[j].d;
406 >
407   #ifdef IS_MPI
408 <     }else fileInit = new InitializeFromFile( NULL );
408 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
409 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
410 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
411 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
412 > #else
413 >        exI = tempI + 1;
414 >        exJ = tempJ + 1;
415 >        exK = tempK + 1;
416 >        exL = tempL + 1;
417   #endif
533   fileInit->read_xyz( simnfo ); // default velocities on
418  
419 <   delete fileInit;
420 < }
421 < else{
419 >        info[k].excludes->addPair(exI, exJ);
420 >        info[k].excludes->addPair(exI, exK);
421 >        info[k].excludes->addPair(exI, exL);        
422 >        info[k].excludes->addPair(exJ, exK);
423 >        info[k].excludes->addPair(exJ, exL);
424 >        info[k].excludes->addPair(exK, exL);
425 >      }
426  
427 < #ifdef IS_MPI
427 >      
428 >      molInfo.myRigidBodies.clear();
429 >      
430 >      for (j = 0; j < molInfo.nRigidBodies; j++){
431  
432 <  // no init from bass
433 <  
543 <  sprintf( painCave.errMsg,
544 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
545 <  painCave.isFatal;
546 <  simError();
547 <  
548 < #else
432 >        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
433 >        nMembers = currentRigidBody->getNMembers();
434  
435 <  initFromBass();
435 >        // Create the Rigid Body:
436  
437 +        myRB = new RigidBody();
438  
439 < #endif
440 < }
439 >        sprintf(rbName,"%s_RB_%d", molName, j);
440 >        myRB->setType(rbName);
441 >        
442 >        for (rb1 = 0; rb1 < nMembers; rb1++) {
443  
444 < #ifdef IS_MPI
445 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
558 <  MPIcheckPoint();
559 < #endif // is_mpi
444 >          // molI is atom numbering inside this molecule
445 >          molI = currentRigidBody->getMember(rb1);    
446  
447 +          // tempI is atom numbering on local processor
448 +          tempI = molI + atomOffset;
449  
450 <  
451 <
452 <  
450 >          // currentAtom is the AtomStamp (which we need for
451 >          // rigid body reference positions)
452 >          currentAtom = comp_stamps[stampID]->getAtom(molI);
453  
454 <  
454 >          // When we add to the rigid body, add the atom itself and
455 >          // the stamp info:
456 >
457 >          myRB->addAtom(info[k].atoms[tempI], currentAtom);
458 >          
459 >          // Add this atom to the Skip List for the integrators
460   #ifdef IS_MPI
461 <  if( worldRank == 0 ){
462 < #endif // is_mpi
463 <    
464 <    if( the_globals->haveFinalConfig() ){
465 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
466 <    }
467 <    else{
468 <      strcpy( simnfo->finalName, inFileName );
469 <      char* endTest;
470 <      int nameLength = strlen( simnfo->finalName );
471 <      endTest = &(simnfo->finalName[nameLength - 5]);
472 <      if( !strcmp( endTest, ".bass" ) ){
473 <        strcpy( endTest, ".eor" );
474 <      }
475 <      else if( !strcmp( endTest, ".BASS" ) ){
476 <        strcpy( endTest, ".eor" );
477 <      }
478 <      else{
479 <        endTest = &(simnfo->finalName[nameLength - 4]);
587 <        if( !strcmp( endTest, ".bss" ) ){
588 <          strcpy( endTest, ".eor" );
589 <        }
590 <        else if( !strcmp( endTest, ".mdl" ) ){
591 <          strcpy( endTest, ".eor" );
592 <        }
593 <        else{
594 <          strcat( simnfo->finalName, ".eor" );
595 <        }
596 <      }
597 <    }
598 <    
599 <    // make the sample and status out names
600 <    
601 <    strcpy( simnfo->sampleName, inFileName );
602 <    char* endTest;
603 <    int nameLength = strlen( simnfo->sampleName );
604 <    endTest = &(simnfo->sampleName[nameLength - 5]);
605 <    if( !strcmp( endTest, ".bass" ) ){
606 <      strcpy( endTest, ".dump" );
607 <    }
608 <    else if( !strcmp( endTest, ".BASS" ) ){
609 <      strcpy( endTest, ".dump" );
610 <    }
611 <    else{
612 <      endTest = &(simnfo->sampleName[nameLength - 4]);
613 <      if( !strcmp( endTest, ".bss" ) ){
614 <        strcpy( endTest, ".dump" );
615 <      }
616 <      else if( !strcmp( endTest, ".mdl" ) ){
617 <        strcpy( endTest, ".dump" );
618 <      }
619 <      else{
620 <        strcat( simnfo->sampleName, ".dump" );
621 <      }
622 <    }
623 <    
624 <    strcpy( simnfo->statusName, inFileName );
625 <    nameLength = strlen( simnfo->statusName );
626 <    endTest = &(simnfo->statusName[nameLength - 5]);
627 <    if( !strcmp( endTest, ".bass" ) ){
628 <      strcpy( endTest, ".stat" );
629 <    }
630 <    else if( !strcmp( endTest, ".BASS" ) ){
631 <      strcpy( endTest, ".stat" );
632 <    }
633 <    else{
634 <      endTest = &(simnfo->statusName[nameLength - 4]);
635 <      if( !strcmp( endTest, ".bss" ) ){
636 <        strcpy( endTest, ".stat" );
637 <      }
638 <      else if( !strcmp( endTest, ".mdl" ) ){
639 <        strcpy( endTest, ".stat" );
640 <      }
641 <      else{
642 <        strcat( simnfo->statusName, ".stat" );
643 <      }
644 <    }
645 <    
461 >          slI = info[k].atoms[tempI]->getGlobalIndex();
462 > #else
463 >          slI = tempI;
464 > #endif
465 >          skipList.insert(slI);
466 >          
467 >        }
468 >        
469 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
470 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
471 >            
472 >            tempI = currentRigidBody->getMember(rb1);
473 >            tempJ = currentRigidBody->getMember(rb2);
474 >            
475 >            // Some explanation is required here.
476 >            // Fortran indexing starts at 1, while c indexing starts at 0
477 >            // Also, in parallel computations, the GlobalIndex is
478 >            // used for the exclude list:
479 >            
480   #ifdef IS_MPI
481 <  }
482 < #endif // is_mpi
483 <  
484 <  // set the status, sample, and themal kick times
485 <  
486 <  if( the_globals->haveSampleTime() ){
487 <    simnfo->sampleTime = the_globals->getSampleTime();
488 <    simnfo->statusTime = simnfo->sampleTime;
489 <    simnfo->thermalTime = simnfo->sampleTime;
490 <  }
491 <  else{
658 <    simnfo->sampleTime = the_globals->getRunTime();
659 <    simnfo->statusTime = simnfo->sampleTime;
660 <    simnfo->thermalTime = simnfo->sampleTime;
661 <  }
481 >            exI = molInfo.myAtoms[tempI]->getGlobalIndex() + 1;
482 >            exJ = molInfo.myAtoms[tempJ]->getGlobalIndex() + 1;
483 > #else
484 >            exI = molInfo.myAtoms[tempI]->getIndex() + 1;
485 >            exJ = molInfo.myAtoms[tempJ]->getIndex() + 1;
486 > #endif
487 >            
488 >            info[k].excludes->addPair(exI, exJ);
489 >            
490 >          }
491 >        }
492  
493 <  if( the_globals->haveStatusTime() ){
494 <    simnfo->statusTime = the_globals->getStatusTime();
495 <  }
493 >        molInfo.myRigidBodies.push_back(myRB);
494 >        info[k].rigidBodies.push_back(myRB);
495 >      }
496 >      
497  
498 <  if( the_globals->haveThermalTime() ){
668 <    simnfo->thermalTime = the_globals->getThermalTime();
669 <  }
498 >      //create cutoff group for molecule
499  
500 <  // check for the temperature set flag
500 >      cutoffAtomSet.clear();
501 >      molInfo.myCutoffGroups.clear();
502 >      
503 >      for (j = 0; j < nCutoffGroups; j++){
504  
505 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
505 >        currentCutoffGroup = comp_stamps[stampID]->getCutoffGroup(j);
506 >        nMembers = currentCutoffGroup->getNMembers();
507  
508 +        myCutoffGroup = new CutoffGroup();
509 +        myCutoffGroup->setGlobalIndex(globalGroupIndex[j + groupOffset]);
510 +        
511 +        for (int cg = 0; cg < nMembers; cg++) {
512  
513 < //   // make the longe range forces and the integrator
513 >          // molI is atom numbering inside this molecule
514 >          molI = currentCutoffGroup->getMember(cg);    
515  
516 < //   new AllLong( simnfo );
516 >          // tempI is atom numbering on local processor
517 >          tempI = molI + atomOffset;
518  
680
681  if( !strcmp( force_field, "TraPPE_Ex" ) ){
682    new Symplectic(simnfo, the_ff, the_extendedsystem);
683    std::cerr << "called new Symplecic\n";
684    fprintf( stderr, "called new Symplectic. stderr\n" );
685  }
686  else if( !strcmp( force_field, "LJ" ) ){
687    new Verlet( *simnfo, the_ff, the_extendedsystem );
688    std::cerr << "called new Verlet\n";
689    fprintf( stderr, "called new Verlet. stderr\n" );
690  }
691  else {
692    std::cerr << "I'm a bug.\n";
693    fprintf( stderr, "Ima bug. stderr %s\n", force_field);
694  }
519   #ifdef IS_MPI
520 <  mpiSim->mpiRefresh();
520 >          globalID = info[k].atoms[tempI]->getGlobalIndex()
521 > #else
522 >          globalID = info[k].atoms[tempI]->getIndex();
523   #endif
524  
525 <  // initialize the Fortran
525 >          globalGroupMembership[globalID] = globalGroupIndex[j+groupOffset];
526  
527 +          myCutoffGroup->addAtom(info[k].atoms[tempI]);          
528  
529 <  simnfo->refreshSim();
530 <  
531 <  if( !strcmp( simnfo->mixingRule, "standard") ){
532 <    the_ff->initForceField( LB_MIXING_RULE );
533 <  }
707 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
708 <    the_ff->initForceField( EXPLICIT_MIXING_RULE );
709 <  }
710 <  else{
711 <    sprintf( painCave.errMsg,
712 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
713 <             simnfo->mixingRule );
714 <    painCave.isFatal = 1;
715 <    simError();
716 <  }
529 >          cutoffAtomSet.insert(tempI);
530 >        }
531 >      
532 >        molInfo.myCutoffGroups.push_back(myCutoffGroup);
533 >        groupOffset++;
534  
535 +      }//end for (j = 0; j < molInfo.nCutoffGroups; j++)
536  
537 < #ifdef IS_MPI
720 <  strcpy( checkPointMsg,
721 <          "Successfully intialized the mixingRule for Fortran." );
722 <  MPIcheckPoint();
723 < #endif // is_mpi
724 < }
537 >      //creat a cutoff group for every atom  in current molecule which does not belong to cutoffgroup defined at mdl file
538  
539 +      for(j = 0; j < molInfo.nAtoms; j++){
540  
541 < void SimSetup::makeMolecules( void ){
541 >        if(cutoffAtomSet.find(molInfo.myAtoms[j]->getIndex()) == cutoffAtomSet.end()){
542 >          myCutoffGroup = new CutoffGroup();
543 >          myCutoffGroup->addAtom(molInfo.myAtoms[j]);
544 >          myCutoffGroup->setGlobalIndex(globalGroupIndex[j + groupOffset]);
545 > #ifdef IS_MPI
546 >          globalID = info[k].atoms[atomOffset + j]->getGlobalIndex()
547 > #else
548 >          globalID = info[k].atoms[atomOffset + j]->getIndex();
549 > #endif
550 >          globalGroupMembership[globalID] = globalGroupIndex[j+groupOffset];
551 >          molInfo.myCutoffGroups.push_back(myCutoffGroup);
552 >          groupOffset++;
553 >        }
554 >          
555 >      }
556  
557 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
558 <  molInit info;
731 <  DirectionalAtom* dAtom;
732 <  LinkedAssign* extras;
733 <  LinkedAssign* current_extra;
734 <  AtomStamp* currentAtom;
735 <  BondStamp* currentBond;
736 <  BendStamp* currentBend;
737 <  TorsionStamp* currentTorsion;
557 >      // After this is all set up, scan through the atoms to
558 >      // see if they can be added to the integrableObjects:
559  
560 <  bond_pair* theBonds;
561 <  bend_set* theBends;
741 <  torsion_set* theTorsions;
560 >      molInfo.myIntegrableObjects.clear();
561 >      
562  
563 <  
744 <  //init the forceField paramters
563 >      for (j = 0; j < molInfo.nAtoms; j++){
564  
565 <  the_ff->readParams();
565 > #ifdef IS_MPI
566 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
567 > #else
568 >        slJ = j+atomOffset;
569 > #endif
570  
571 <  
749 <  // init the atoms
571 >        // if they aren't on the skip list, then they can be integrated
572  
573 <  double ux, uy, uz, u, uSqr;
574 <  
575 <  atomOffset = 0;
576 <  excludeOffset = 0;
577 <  for(i=0; i<simnfo->n_mol; i++){
756 <    
757 <    stampID = the_molecules[i].getStampID();
758 <
759 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
760 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
761 <    info.nBends    = comp_stamps[stampID]->getNBends();
762 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
763 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
764 <
765 <    info.myAtoms = &the_atoms[atomOffset];
766 <    info.myExcludes = &the_excludes[excludeOffset];
767 <    info.myBonds = new Bond*[info.nBonds];
768 <    info.myBends = new Bend*[info.nBends];
769 <    info.myTorsions = new Torsion*[info.nTorsions];
770 <
771 <    theBonds = new bond_pair[info.nBonds];
772 <    theBends = new bend_set[info.nBends];
773 <    theTorsions = new torsion_set[info.nTorsions];
774 <    
775 <    // make the Atoms
776 <    
777 <    for(j=0; j<info.nAtoms; j++){
778 <      
779 <      currentAtom = comp_stamps[stampID]->getAtom( j );
780 <      if( currentAtom->haveOrientation() ){
781 <        
782 <        dAtom = new DirectionalAtom(j + atomOffset);
783 <        simnfo->n_oriented++;
784 <        info.myAtoms[j] = dAtom;
785 <        
786 <        ux = currentAtom->getOrntX();
787 <        uy = currentAtom->getOrntY();
788 <        uz = currentAtom->getOrntZ();
789 <        
790 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
791 <        
792 <        u = sqrt( uSqr );
793 <        ux = ux / u;
794 <        uy = uy / u;
795 <        uz = uz / u;
796 <        
797 <        dAtom->setSUx( ux );
798 <        dAtom->setSUy( uy );
799 <        dAtom->setSUz( uz );
573 >        if (skipList.find(slJ) == skipList.end()) {
574 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
575 >          info[k].integrableObjects.push_back(mySD);
576 >          molInfo.myIntegrableObjects.push_back(mySD);
577 >        }
578        }
801      else{
802        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
803      }
804      info.myAtoms[j]->setType( currentAtom->getType() );
805    
806 #ifdef IS_MPI
807      
808      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
809      
810 #endif // is_mpi
811    }
812    
813    // make the bonds
814    for(j=0; j<info.nBonds; j++){
815      
816      currentBond = comp_stamps[stampID]->getBond( j );
817      theBonds[j].a = currentBond->getA() + atomOffset;
818      theBonds[j].b = currentBond->getB() + atomOffset;
579  
580 <      exI = theBonds[j].a;
821 <      exJ = theBonds[j].b;
580 >      // all rigid bodies are integrated:
581  
582 <      // exclude_I must always be the smaller of the pair
583 <      if( exI > exJ ){
584 <        tempEx = exI;
585 <        exI = exJ;
827 <        exJ = tempEx;
582 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
583 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
584 >        info[k].integrableObjects.push_back(mySD);      
585 >        molInfo.myIntegrableObjects.push_back(mySD);
586        }
829 #ifdef IS_MPI
830      tempEx = exI;
831      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
832      tempEx = exJ;
833      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
834      
835      the_excludes[j+excludeOffset]->setPair( exI, exJ );
836 #else  // isn't MPI
587  
838      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
839 #endif  //is_mpi
840    }
841    excludeOffset += info.nBonds;
588  
589 <    //make the bends
844 <    for(j=0; j<info.nBends; j++){
845 <      
846 <      currentBend = comp_stamps[stampID]->getBend( j );
847 <      theBends[j].a = currentBend->getA() + atomOffset;
848 <      theBends[j].b = currentBend->getB() + atomOffset;
849 <      theBends[j].c = currentBend->getC() + atomOffset;
850 <          
851 <      if( currentBend->haveExtras() ){
852 <            
853 <        extras = currentBend->getExtras();
854 <        current_extra = extras;
855 <            
856 <        while( current_extra != NULL ){
857 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
858 <                
859 <            switch( current_extra->getType() ){
860 <              
861 <            case 0:
862 <              theBends[j].ghost =
863 <                current_extra->getInt() + atomOffset;
864 <              theBends[j].isGhost = 1;
865 <              break;
866 <                  
867 <            case 1:
868 <              theBends[j].ghost =
869 <                (int)current_extra->getDouble() + atomOffset;
870 <              theBends[j].isGhost = 1;
871 <              break;
872 <              
873 <            default:
874 <              sprintf( painCave.errMsg,
875 <                       "SimSetup Error: ghostVectorSource was neither a "
876 <                       "double nor an int.\n"
877 <                       "-->Bend[%d] in %s\n",
878 <                       j, comp_stamps[stampID]->getID() );
879 <              painCave.isFatal = 1;
880 <              simError();
881 <            }
882 <          }
883 <          
884 <          else{
885 <            
886 <            sprintf( painCave.errMsg,
887 <                     "SimSetup Error: unhandled bend assignment:\n"
888 <                     "    -->%s in Bend[%d] in %s\n",
889 <                     current_extra->getlhs(),
890 <                     j, comp_stamps[stampID]->getID() );
891 <            painCave.isFatal = 1;
892 <            simError();
893 <          }
894 <          
895 <          current_extra = current_extra->getNext();
896 <        }
897 <      }
898 <          
899 <      if( !theBends[j].isGhost ){
900 <            
901 <        exI = theBends[j].a;
902 <        exJ = theBends[j].c;
903 <      }
904 <      else{
905 <        
906 <        exI = theBends[j].a;
907 <        exJ = theBends[j].b;
908 <      }
909 <      
910 <      // exclude_I must always be the smaller of the pair
911 <      if( exI > exJ ){
912 <        tempEx = exI;
913 <        exI = exJ;
914 <        exJ = tempEx;
915 <      }
916 < #ifdef IS_MPI
917 <      tempEx = exI;
918 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
919 <      tempEx = exJ;
920 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
921 <      
922 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
923 < #else  // isn't MPI
924 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
925 < #endif  //is_mpi
926 <    }
927 <    excludeOffset += info.nBends;
589 >    /*
590  
591 <    for(j=0; j<info.nTorsions; j++){
591 >      //creat ConstraintPair.
592 >      molInfo.myConstraintPair.clear();
593        
594 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
932 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
933 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
934 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
935 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
936 <      
937 <      exI = theTorsions[j].a;
938 <      exJ = theTorsions[j].d;
594 >      for (j = 0; j < molInfo.nBonds; j++){
595  
596 <      // exclude_I must always be the smaller of the pair
597 <      if( exI > exJ ){
598 <        tempEx = exI;
943 <        exI = exJ;
944 <        exJ = tempEx;
945 <      }
946 < #ifdef IS_MPI
947 <      tempEx = exI;
948 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
949 <      tempEx = exJ;
950 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
951 <      
952 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
953 < #else  // isn't MPI
954 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
955 < #endif  //is_mpi
956 <    }
957 <    excludeOffset += info.nTorsions;
596 >        //if both atoms are in the same rigid body, just skip it
597 >        currentBond = comp_stamps[stampID]->getBond(j);
598 >        if(!comp_stamps[stampID]->isBondInSameRigidBody(currentBond)){
599  
600 <    
601 <    // send the arrays off to the forceField for init.
600 >          tempI = currentBond->getA() + atomOffset;
601 >          if( comp_stamps[stampID]->isAtomInRigidBody(currentBond->getA(), whichRigidBody, consAtomIndex))
602 >            consElement1 = new ConstraintRigidBody(molInfo.myRigidBodies[whichRigidBody], consAtomIndex);
603 >          else
604 >             consElement1 = new ConstraintAtom(info[k].atoms[tempI]);      
605  
606 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
607 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
608 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
609 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
606 >          tempJ =  currentBond->getB() + atomOffset;
607 >          if(comp_stamps[stampID]->isAtomInRigidBody(currentBond->getB(), whichRigidBody, consAtomIndex))
608 >            consElement2 = new ConstraintRigidBody(molInfo.myRigidBodies[whichRigidBody], consAtomIndex);
609 >          else
610 >             consElement2 = new ConstraintAtom(info[k].atoms[tempJ]);    
611  
612 +          consPair = new DistanceConstraintPair(consElement1, consElement2);
613 +          molInfo.myConstraintPairs.push_back(consPair);
614 +        }
615 +      }  
616 +      
617 +      //loop over rigid bodies, if two rigid bodies share same joint, creat a HingeConstraintPair
618 +      for (int rb1 = 0; rb1 < molInfo.nRigidBodies -1 ; rb1++){
619 +        for (int rb2 = rb1 + 1; rb2 < molInfo.nRigidBodies ; rb2++){
620 +          
621 +          jointAtoms = comp_stamps[stampID]->getJointAtoms(rb1, rb2);
622  
623 <    the_molecules[i].initialize( info );
623 >          for(size_t m = 0; m < jointAtoms.size(); m++){          
624 >            consElement1 = new ConstraintRigidBody(molInfo.myRigidBodies[rb1], jointAtoms[m].first);
625 >            consElement2 = new ConstraintRigidBody(molInfo.myRigidBodies[rb2], jointAtoms[m].second);
626  
627 +            consPair = new JointConstraintPair(consElement1, consElement2);  
628 +            molInfo.myConstraintPairs.push_back(consPair);            
629 +          }
630  
631 <    atomOffset += info.nAtoms;
632 <    delete[] theBonds;
633 <    delete[] theBends;
634 <    delete[] theTorsions;
631 >        }
632 >      }
633 >      
634 > */      
635 >      // send the arrays off to the forceField for init.
636 >      
637 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
638 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
639 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
640 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
641 >                                 theTorsions);
642 >
643 >      info[k].molecules[i].initialize(molInfo);
644 >
645 >
646 >      atomOffset += molInfo.nAtoms;
647 >      delete[] theBonds;
648 >      delete[] theBends;
649 >      delete[] theTorsions;
650 >    }    
651    }
652  
653   #ifdef IS_MPI
654 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
654 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
655    MPIcheckPoint();
656   #endif // is_mpi
657  
982  // clean up the forcefield
983  the_ff->calcRcut();
984  the_ff->cleanMe();
985
658   }
659  
660 < void SimSetup::initFromBass( void ){
989 <
660 > void SimSetup::initFromBass(void){
661    int i, j, k;
662    int n_cells;
663    double cellx, celly, cellz;
# Line 995 | Line 666 | void SimSetup::initFromBass( void ){
666    int n_extra;
667    int have_extra, done;
668  
669 <  temp1 = (double)tot_nmol / 4.0;
670 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
671 <  temp3 = ceil( temp2 );
669 >  double vel[3];
670 >  vel[0] = 0.0;
671 >  vel[1] = 0.0;
672 >  vel[2] = 0.0;
673  
674 <  have_extra =0;
675 <  if( temp2 < temp3 ){ // we have a non-complete lattice
676 <    have_extra =1;
674 >  temp1 = (double) tot_nmol / 4.0;
675 >  temp2 = pow(temp1, (1.0 / 3.0));
676 >  temp3 = ceil(temp2);
677  
678 <    n_cells = (int)temp3 - 1;
679 <    cellx = simnfo->box_x / temp3;
680 <    celly = simnfo->box_y / temp3;
681 <    cellz = simnfo->box_z / temp3;
1010 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1011 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1012 <    n_per_extra = (int)ceil( temp1 );
678 >  have_extra = 0;
679 >  if (temp2 < temp3){
680 >    // we have a non-complete lattice
681 >    have_extra = 1;
682  
683 <    if( n_per_extra > 4){
684 <      sprintf( painCave.errMsg,
685 <               "SimSetup error. There has been an error in constructing"
686 <               " the non-complete lattice.\n" );
683 >    n_cells = (int) temp3 - 1;
684 >    cellx = info[0].boxL[0] / temp3;
685 >    celly = info[0].boxL[1] / temp3;
686 >    cellz = info[0].boxL[2] / temp3;
687 >    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
688 >    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
689 >    n_per_extra = (int) ceil(temp1);
690 >
691 >    if (n_per_extra > 4){
692 >      sprintf(painCave.errMsg,
693 >              "SimSetup error. There has been an error in constructing"
694 >              " the non-complete lattice.\n");
695        painCave.isFatal = 1;
696        simError();
697      }
698    }
699    else{
700 <    n_cells = (int)temp3;
701 <    cellx = simnfo->box_x / temp3;
702 <    celly = simnfo->box_y / temp3;
703 <    cellz = simnfo->box_z / temp3;
700 >    n_cells = (int) temp3;
701 >    cellx = info[0].boxL[0] / temp3;
702 >    celly = info[0].boxL[1] / temp3;
703 >    cellz = info[0].boxL[2] / temp3;
704    }
705  
706    current_mol = 0;
# Line 1031 | Line 708 | void SimSetup::initFromBass( void ){
708    current_comp = 0;
709    current_atom_ndx = 0;
710  
711 <  for( i=0; i < n_cells ; i++ ){
712 <    for( j=0; j < n_cells; j++ ){
713 <      for( k=0; k < n_cells; k++ ){
711 >  for (i = 0; i < n_cells ; i++){
712 >    for (j = 0; j < n_cells; j++){
713 >      for (k = 0; k < n_cells; k++){
714 >        makeElement(i * cellx, j * celly, k * cellz);
715  
716 <        makeElement( i * cellx,
1039 <                     j * celly,
1040 <                     k * cellz );
716 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
717  
718 <        makeElement( i * cellx + 0.5 * cellx,
1043 <                     j * celly + 0.5 * celly,
1044 <                     k * cellz );
718 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
719  
720 <        makeElement( i * cellx,
1047 <                     j * celly + 0.5 * celly,
1048 <                     k * cellz + 0.5 * cellz );
1049 <
1050 <        makeElement( i * cellx + 0.5 * cellx,
1051 <                     j * celly,
1052 <                     k * cellz + 0.5 * cellz );
720 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
721        }
722      }
723    }
724  
725 <  if( have_extra ){
725 >  if (have_extra){
726      done = 0;
727  
728      int start_ndx;
729 <    for( i=0; i < (n_cells+1) && !done; i++ ){
730 <      for( j=0; j < (n_cells+1) && !done; j++ ){
729 >    for (i = 0; i < (n_cells + 1) && !done; i++){
730 >      for (j = 0; j < (n_cells + 1) && !done; j++){
731 >        if (i < n_cells){
732 >          if (j < n_cells){
733 >            start_ndx = n_cells;
734 >          }
735 >          else
736 >            start_ndx = 0;
737 >        }
738 >        else
739 >          start_ndx = 0;
740  
741 <        if( i < n_cells ){
741 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
742 >          makeElement(i * cellx, j * celly, k * cellz);
743 >          done = (current_mol >= tot_nmol);
744  
745 <          if( j < n_cells ){
746 <            start_ndx = n_cells;
747 <          }
748 <          else start_ndx = 0;
749 <        }
1071 <        else start_ndx = 0;
745 >          if (!done && n_per_extra > 1){
746 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
747 >                        k * cellz);
748 >            done = (current_mol >= tot_nmol);
749 >          }
750  
751 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
751 >          if (!done && n_per_extra > 2){
752 >            makeElement(i * cellx, j * celly + 0.5 * celly,
753 >                        k * cellz + 0.5 * cellz);
754 >            done = (current_mol >= tot_nmol);
755 >          }
756  
757 <          makeElement( i * cellx,
758 <                       j * celly,
759 <                       k * cellz );
760 <          done = ( current_mol >= tot_nmol );
761 <
762 <          if( !done && n_per_extra > 1 ){
1081 <            makeElement( i * cellx + 0.5 * cellx,
1082 <                         j * celly + 0.5 * celly,
1083 <                         k * cellz );
1084 <            done = ( current_mol >= tot_nmol );
1085 <          }
1086 <
1087 <          if( !done && n_per_extra > 2){
1088 <            makeElement( i * cellx,
1089 <                         j * celly + 0.5 * celly,
1090 <                         k * cellz + 0.5 * cellz );
1091 <            done = ( current_mol >= tot_nmol );
1092 <          }
1093 <
1094 <          if( !done && n_per_extra > 3){
1095 <            makeElement( i * cellx + 0.5 * cellx,
1096 <                         j * celly,
1097 <                         k * cellz + 0.5 * cellz );
1098 <            done = ( current_mol >= tot_nmol );
1099 <          }
1100 <        }
757 >          if (!done && n_per_extra > 3){
758 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
759 >                        k * cellz + 0.5 * cellz);
760 >            done = (current_mol >= tot_nmol);
761 >          }
762 >        }
763        }
764      }
765    }
766  
767 <
768 <  for( i=0; i<simnfo->n_atoms; i++ ){
1107 <    simnfo->atoms[i]->set_vx( 0.0 );
1108 <    simnfo->atoms[i]->set_vy( 0.0 );
1109 <    simnfo->atoms[i]->set_vz( 0.0 );
767 >  for (i = 0; i < info[0].n_atoms; i++){
768 >    info[0].atoms[i]->setVel(vel);
769    }
770   }
771  
772 < void SimSetup::makeElement( double x, double y, double z ){
1114 <
772 > void SimSetup::makeElement(double x, double y, double z){
773    int k;
774    AtomStamp* current_atom;
775    DirectionalAtom* dAtom;
776    double rotMat[3][3];
777 +  double pos[3];
778  
779 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
780 <
781 <    current_atom = comp_stamps[current_comp]->getAtom( k );
782 <    if( !current_atom->havePosition() ){
783 <      sprintf( painCave.errMsg,
784 <               "SimSetup:initFromBass error.\n"
785 <               "\tComponent %s, atom %s does not have a position specified.\n"
786 <               "\tThe initialization routine is unable to give a start"
787 <               " position.\n",
1129 <               comp_stamps[current_comp]->getID(),
1130 <               current_atom->getType() );
779 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
780 >    current_atom = comp_stamps[current_comp]->getAtom(k);
781 >    if (!current_atom->havePosition()){
782 >      sprintf(painCave.errMsg,
783 >              "SimSetup:initFromBass error.\n"
784 >              "\tComponent %s, atom %s does not have a position specified.\n"
785 >              "\tThe initialization routine is unable to give a start"
786 >              " position.\n",
787 >              comp_stamps[current_comp]->getID(), current_atom->getType());
788        painCave.isFatal = 1;
789        simError();
790      }
791  
792 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
793 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
794 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
792 >    pos[0] = x + current_atom->getPosX();
793 >    pos[1] = y + current_atom->getPosY();
794 >    pos[2] = z + current_atom->getPosZ();
795  
796 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
796 >    info[0].atoms[current_atom_ndx]->setPos(pos);
797  
798 <      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
798 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
799 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
800  
801        rotMat[0][0] = 1.0;
802        rotMat[0][1] = 0.0;
# Line 1152 | Line 810 | void SimSetup::makeElement( double x, double y, double
810        rotMat[2][1] = 0.0;
811        rotMat[2][2] = 1.0;
812  
813 <      dAtom->setA( rotMat );
813 >      dAtom->setA(rotMat);
814      }
815  
816      current_atom_ndx++;
# Line 1161 | Line 819 | void SimSetup::makeElement( double x, double y, double
819    current_mol++;
820    current_comp_mol++;
821  
822 <  if( current_comp_mol >= components_nmol[current_comp] ){
1165 <
822 >  if (current_comp_mol >= components_nmol[current_comp]){
823      current_comp_mol = 0;
824      current_comp++;
825    }
826   }
827 +
828 +
829 + void SimSetup::gatherInfo(void){
830 +  int i;
831 +
832 +  ensembleCase = -1;
833 +  ffCase = -1;
834 +
835 +  // set the easy ones first
836 +
837 +  for (i = 0; i < nInfo; i++){
838 +    info[i].target_temp = globals->getTargetTemp();
839 +    info[i].dt = globals->getDt();
840 +    info[i].run_time = globals->getRunTime();
841 +  }
842 +  n_components = globals->getNComponents();
843 +
844 +
845 +  // get the forceField
846 +
847 +  strcpy(force_field, globals->getForceField());
848 +
849 +  if (!strcasecmp(force_field, "DUFF")){
850 +    ffCase = FF_DUFF;
851 +  }
852 +  else if (!strcasecmp(force_field, "LJ")){
853 +    ffCase = FF_LJ;
854 +  }
855 +  else if (!strcasecmp(force_field, "EAM")){
856 +    ffCase = FF_EAM;
857 +  }
858 +  else if (!strcasecmp(force_field, "WATER")){
859 +    ffCase = FF_H2O;
860 +  }
861 +  else{
862 +    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
863 +            force_field);
864 +         painCave.isFatal = 1;
865 +         simError();
866 +  }
867 +
868 +    // get the ensemble
869 +
870 +  strcpy(ensemble, globals->getEnsemble());
871 +
872 +  if (!strcasecmp(ensemble, "NVE")){
873 +    ensembleCase = NVE_ENS;
874 +  }
875 +  else if (!strcasecmp(ensemble, "NVT")){
876 +    ensembleCase = NVT_ENS;
877 +  }
878 +  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
879 +    ensembleCase = NPTi_ENS;
880 +  }
881 +  else if (!strcasecmp(ensemble, "NPTf")){
882 +    ensembleCase = NPTf_ENS;
883 +  }
884 +  else if (!strcasecmp(ensemble, "NPTxyz")){
885 +    ensembleCase = NPTxyz_ENS;
886 +  }
887 +  else{
888 +    sprintf(painCave.errMsg,
889 +            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
890 +            "\treverting to NVE for this simulation.\n",
891 +            ensemble);
892 +         painCave.isFatal = 0;
893 +         simError();
894 +         strcpy(ensemble, "NVE");
895 +         ensembleCase = NVE_ENS;
896 +  }  
897 +
898 +  for (i = 0; i < nInfo; i++){
899 +    strcpy(info[i].ensemble, ensemble);
900 +
901 +    // get the mixing rule
902 +
903 +    strcpy(info[i].mixingRule, globals->getMixingRule());
904 +    info[i].usePBC = globals->getPBC();
905 +  }
906 +
907 +  // get the components and calculate the tot_nMol and indvidual n_mol
908 +
909 +  the_components = globals->getComponents();
910 +  components_nmol = new int[n_components];
911 +
912 +
913 +  if (!globals->haveNMol()){
914 +    // we don't have the total number of molecules, so we assume it is
915 +    // given in each component
916 +
917 +    tot_nmol = 0;
918 +    for (i = 0; i < n_components; i++){
919 +      if (!the_components[i]->haveNMol()){
920 +        // we have a problem
921 +        sprintf(painCave.errMsg,
922 +                "SimSetup Error. No global NMol or component NMol given.\n"
923 +                "\tCannot calculate the number of atoms.\n");
924 +        painCave.isFatal = 1;
925 +        simError();
926 +      }
927 +
928 +      tot_nmol += the_components[i]->getNMol();
929 +      components_nmol[i] = the_components[i]->getNMol();
930 +    }
931 +  }
932 +  else{
933 +    sprintf(painCave.errMsg,
934 +            "SimSetup error.\n"
935 +            "\tSorry, the ability to specify total"
936 +            " nMols and then give molfractions in the components\n"
937 +            "\tis not currently supported."
938 +            " Please give nMol in the components.\n");
939 +    painCave.isFatal = 1;
940 +    simError();
941 +  }
942 +
943 +  //check whether sample time, status time, thermal time and reset time are divisble by dt
944 +  if (globals->haveSampleTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
945 +    sprintf(painCave.errMsg,
946 +            "Sample time is not divisible by dt.\n"
947 +            "\tThis will result in samples that are not uniformly\n"
948 +            "\tdistributed in time.  If this is a problem, change\n"
949 +            "\tyour sampleTime variable.\n");
950 +    painCave.isFatal = 0;
951 +    simError();    
952 +  }
953 +
954 +  if (globals->haveStatusTime() && !isDivisible(globals->getStatusTime(), globals->getDt())){
955 +    sprintf(painCave.errMsg,
956 +            "Status time is not divisible by dt.\n"
957 +            "\tThis will result in status reports that are not uniformly\n"
958 +            "\tdistributed in time.  If this is a problem, change \n"
959 +            "\tyour statusTime variable.\n");
960 +    painCave.isFatal = 0;
961 +    simError();    
962 +  }
963 +
964 +  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
965 +    sprintf(painCave.errMsg,
966 +            "Thermal time is not divisible by dt.\n"
967 +            "\tThis will result in thermalizations that are not uniformly\n"
968 +            "\tdistributed in time.  If this is a problem, change \n"
969 +            "\tyour thermalTime variable.\n");
970 +    painCave.isFatal = 0;
971 +    simError();    
972 +  }  
973 +
974 +  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
975 +    sprintf(painCave.errMsg,
976 +            "Reset time is not divisible by dt.\n"
977 +            "\tThis will result in integrator resets that are not uniformly\n"
978 +            "\tdistributed in time.  If this is a problem, change\n"
979 +            "\tyour resetTime variable.\n");
980 +    painCave.isFatal = 0;
981 +    simError();    
982 +  }
983 +
984 +  // set the status, sample, and thermal kick times
985 +
986 +  for (i = 0; i < nInfo; i++){
987 +    if (globals->haveSampleTime()){
988 +      info[i].sampleTime = globals->getSampleTime();
989 +      info[i].statusTime = info[i].sampleTime;
990 +    }
991 +    else{
992 +      info[i].sampleTime = globals->getRunTime();
993 +      info[i].statusTime = info[i].sampleTime;
994 +    }
995 +
996 +    if (globals->haveStatusTime()){
997 +      info[i].statusTime = globals->getStatusTime();
998 +    }
999 +
1000 +    if (globals->haveThermalTime()){
1001 +      info[i].thermalTime = globals->getThermalTime();
1002 +    } else {
1003 +      info[i].thermalTime = globals->getRunTime();
1004 +    }
1005 +
1006 +    info[i].resetIntegrator = 0;
1007 +    if( globals->haveResetTime() ){
1008 +      info[i].resetTime = globals->getResetTime();
1009 +      info[i].resetIntegrator = 1;
1010 +    }
1011 +
1012 +    // check for the temperature set flag
1013 +    
1014 +    if (globals->haveTempSet())
1015 +      info[i].setTemp = globals->getTempSet();
1016 +
1017 +    // check for the extended State init
1018 +
1019 +    info[i].useInitXSstate = globals->getUseInitXSstate();
1020 +    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
1021 +
1022 +    // check for thermodynamic integration
1023 +    if (globals->getUseThermInt()) {
1024 +      if (globals->haveThermIntLambda() && globals->haveThermIntK()) {
1025 +        info[i].useThermInt = globals->getUseThermInt();
1026 +        info[i].thermIntLambda = globals->getThermIntLambda();
1027 +        info[i].thermIntK = globals->getThermIntK();
1028 +        
1029 +        Restraints *myRestraint = new Restraints(tot_nmol, info[i].thermIntLambda, info[i].thermIntK);
1030 +        info[i].restraint = myRestraint;
1031 +      }
1032 +      else {
1033 +        sprintf(painCave.errMsg,
1034 +                "SimSetup Error:\n"
1035 +                "\tKeyword useThermInt was set to 'true' but\n"
1036 +                "\tthermodynamicIntegrationLambda (and/or\n"
1037 +                "\tthermodynamicIntegrationK) was not specified.\n"
1038 +                "\tPlease provide a lambda value and k value in your .bass file.\n");
1039 +        painCave.isFatal = 1;
1040 +        simError();    
1041 +      }
1042 +    }
1043 +    else if(globals->haveThermIntLambda() || globals->haveThermIntK()){
1044 +        sprintf(painCave.errMsg,
1045 +                "SimSetup Warning: If you want to use Thermodynamic\n"
1046 +                "\tIntegration, set useThermInt to 'true' in your .bass file.\n"
1047 +                "\tThe useThermInt keyword is 'false' by default, so your\n"
1048 +                "\tlambda and/or k values are being ignored.\n");
1049 +        painCave.isFatal = 0;
1050 +        simError();  
1051 +    }
1052 +  }
1053 +  
1054 +  //setup seed for random number generator
1055 +  int seedValue;
1056 +
1057 +  if (globals->haveSeed()){
1058 +    seedValue = globals->getSeed();
1059 +
1060 +    if(seedValue / 1E9 == 0){
1061 +      sprintf(painCave.errMsg,
1062 +              "Seed for sprng library should contain at least 9 digits\n"
1063 +              "OOPSE will generate a seed for user\n");
1064 +      painCave.isFatal = 0;
1065 +      simError();
1066 +
1067 +      //using seed generated by system instead of invalid seed set by user
1068 + #ifndef IS_MPI
1069 +      seedValue = make_sprng_seed();
1070 + #else
1071 +      if (worldRank == 0){
1072 +        seedValue = make_sprng_seed();
1073 +      }
1074 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
1075 + #endif      
1076 +    }
1077 +  }//end of if branch of globals->haveSeed()
1078 +  else{
1079 +    
1080 + #ifndef IS_MPI
1081 +    seedValue = make_sprng_seed();
1082 + #else
1083 +    if (worldRank == 0){
1084 +      seedValue = make_sprng_seed();
1085 +    }
1086 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
1087 + #endif
1088 +  }//end of globals->haveSeed()
1089 +
1090 +  for (int i = 0; i < nInfo; i++){
1091 +    info[i].setSeed(seedValue);
1092 +  }
1093 +  
1094 + #ifdef IS_MPI
1095 +  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
1096 +  MPIcheckPoint();
1097 + #endif // is_mpi
1098 + }
1099 +
1100 +
1101 + void SimSetup::finalInfoCheck(void){
1102 +  int index;
1103 +  int usesDipoles;
1104 +  int usesCharges;
1105 +  int i;
1106 +
1107 +  for (i = 0; i < nInfo; i++){
1108 +    // check electrostatic parameters
1109 +
1110 +    index = 0;
1111 +    usesDipoles = 0;
1112 +    while ((index < info[i].n_atoms) && !usesDipoles){
1113 +      usesDipoles = (info[i].atoms[index])->hasDipole();
1114 +      index++;
1115 +    }
1116 +    index = 0;
1117 +    usesCharges = 0;
1118 +    while ((index < info[i].n_atoms) && !usesCharges){
1119 +      usesCharges= (info[i].atoms[index])->hasCharge();
1120 +      index++;
1121 +    }
1122 + #ifdef IS_MPI
1123 +    int myUse = usesDipoles;
1124 +    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
1125 + #endif //is_mpi
1126 +
1127 +    double theRcut, theRsw;
1128 +
1129 +    if (globals->haveRcut()) {
1130 +      theRcut = globals->getRcut();
1131 +
1132 +      if (globals->haveRsw())
1133 +        theRsw = globals->getRsw();
1134 +      else
1135 +        theRsw = theRcut;
1136 +      
1137 +      info[i].setDefaultRcut(theRcut, theRsw);
1138 +
1139 +    } else {
1140 +      
1141 +      the_ff->calcRcut();
1142 +      theRcut = info[i].getRcut();
1143 +
1144 +      if (globals->haveRsw())
1145 +        theRsw = globals->getRsw();
1146 +      else
1147 +        theRsw = theRcut;
1148 +      
1149 +      info[i].setDefaultRcut(theRcut, theRsw);
1150 +    }
1151 +
1152 +    if (globals->getUseRF()){
1153 +      info[i].useReactionField = 1;
1154 +      
1155 +      if (!globals->haveRcut()){
1156 +        sprintf(painCave.errMsg,
1157 +                "SimSetup Warning: No value was set for the cutoffRadius.\n"
1158 +                "\tOOPSE will use a default value of 15.0 angstroms"
1159 +                "\tfor the cutoffRadius.\n");
1160 +        painCave.isFatal = 0;
1161 +        simError();
1162 +        theRcut = 15.0;
1163 +      }
1164 +      else{
1165 +        theRcut = globals->getRcut();
1166 +      }
1167 +
1168 +      if (!globals->haveRsw()){
1169 +        sprintf(painCave.errMsg,
1170 +                "SimSetup Warning: No value was set for switchingRadius.\n"
1171 +                "\tOOPSE will use a default value of\n"
1172 +                "\t0.95 * cutoffRadius for the switchingRadius\n");
1173 +        painCave.isFatal = 0;
1174 +        simError();
1175 +        theRsw = 0.95 * theRcut;
1176 +      }
1177 +      else{
1178 +        theRsw = globals->getRsw();
1179 +      }
1180 +
1181 +      info[i].setDefaultRcut(theRcut, theRsw);
1182 +
1183 +      if (!globals->haveDielectric()){
1184 +        sprintf(painCave.errMsg,
1185 +                "SimSetup Error: No Dielectric constant was set.\n"
1186 +                "\tYou are trying to use Reaction Field without"
1187 +                "\tsetting a dielectric constant!\n");
1188 +        painCave.isFatal = 1;
1189 +        simError();
1190 +      }
1191 +      info[i].dielectric = globals->getDielectric();
1192 +    }
1193 +    else{
1194 +      if (usesDipoles || usesCharges){
1195 +
1196 +        if (!globals->haveRcut()){
1197 +          sprintf(painCave.errMsg,
1198 +                  "SimSetup Warning: No value was set for the cutoffRadius.\n"
1199 +                  "\tOOPSE will use a default value of 15.0 angstroms"
1200 +                  "\tfor the cutoffRadius.\n");
1201 +          painCave.isFatal = 0;
1202 +          simError();
1203 +          theRcut = 15.0;
1204 +      }
1205 +        else{
1206 +          theRcut = globals->getRcut();
1207 +        }
1208 +        
1209 +        if (!globals->haveRsw()){
1210 +          sprintf(painCave.errMsg,
1211 +                  "SimSetup Warning: No value was set for switchingRadius.\n"
1212 +                  "\tOOPSE will use a default value of\n"
1213 +                  "\t0.95 * cutoffRadius for the switchingRadius\n");
1214 +          painCave.isFatal = 0;
1215 +          simError();
1216 +          theRsw = 0.95 * theRcut;
1217 +        }
1218 +        else{
1219 +          theRsw = globals->getRsw();
1220 +        }
1221 +        
1222 +        info[i].setDefaultRcut(theRcut, theRsw);
1223 +        
1224 +      }
1225 +    }
1226 +  }
1227 + #ifdef IS_MPI
1228 +  strcpy(checkPointMsg, "post processing checks out");
1229 +  MPIcheckPoint();
1230 + #endif // is_mpi
1231 +
1232 +  // clean up the forcefield
1233 +  the_ff->cleanMe();
1234 + }
1235 +  
1236 + void SimSetup::initSystemCoords(void){
1237 +  int i;
1238 +
1239 +  char* inName;
1240 +
1241 +  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1242 +
1243 +  for (i = 0; i < info[0].n_atoms; i++)
1244 +    info[0].atoms[i]->setCoords();
1245 +
1246 +  if (globals->haveInitialConfig()){
1247 +    InitializeFromFile* fileInit;
1248 + #ifdef IS_MPI // is_mpi
1249 +    if (worldRank == 0){
1250 + #endif //is_mpi
1251 +      inName = globals->getInitialConfig();
1252 +      fileInit = new InitializeFromFile(inName);
1253 + #ifdef IS_MPI
1254 +    }
1255 +    else
1256 +      fileInit = new InitializeFromFile(NULL);
1257 + #endif
1258 +    fileInit->readInit(info); // default velocities on
1259 +
1260 +    delete fileInit;
1261 +  }
1262 +  else{
1263 +    
1264 +    // no init from bass
1265 +    
1266 +    sprintf(painCave.errMsg,
1267 +            "Cannot intialize a simulation without an initial configuration file.\n");
1268 +    painCave.isFatal = 1;;
1269 +    simError();
1270 +    
1271 +  }
1272 +
1273 + #ifdef IS_MPI
1274 +  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1275 +  MPIcheckPoint();
1276 + #endif // is_mpi
1277 + }
1278 +
1279 +
1280 + void SimSetup::makeOutNames(void){
1281 +  int k;
1282 +
1283 +
1284 +  for (k = 0; k < nInfo; k++){
1285 + #ifdef IS_MPI
1286 +    if (worldRank == 0){
1287 + #endif // is_mpi
1288 +
1289 +      if (globals->haveFinalConfig()){
1290 +        strcpy(info[k].finalName, globals->getFinalConfig());
1291 +      }
1292 +      else{
1293 +        strcpy(info[k].finalName, inFileName);
1294 +        char* endTest;
1295 +        int nameLength = strlen(info[k].finalName);
1296 +        endTest = &(info[k].finalName[nameLength - 5]);
1297 +        if (!strcmp(endTest, ".bass")){
1298 +          strcpy(endTest, ".eor");
1299 +        }
1300 +        else if (!strcmp(endTest, ".BASS")){
1301 +          strcpy(endTest, ".eor");
1302 +        }
1303 +        else{
1304 +          endTest = &(info[k].finalName[nameLength - 4]);
1305 +          if (!strcmp(endTest, ".bss")){
1306 +            strcpy(endTest, ".eor");
1307 +          }
1308 +          else if (!strcmp(endTest, ".mdl")){
1309 +            strcpy(endTest, ".eor");
1310 +          }
1311 +          else{
1312 +            strcat(info[k].finalName, ".eor");
1313 +          }
1314 +        }
1315 +      }
1316 +
1317 +      // make the sample and status out names
1318 +
1319 +      strcpy(info[k].sampleName, inFileName);
1320 +      char* endTest;
1321 +      int nameLength = strlen(info[k].sampleName);
1322 +      endTest = &(info[k].sampleName[nameLength - 5]);
1323 +      if (!strcmp(endTest, ".bass")){
1324 +        strcpy(endTest, ".dump");
1325 +      }
1326 +      else if (!strcmp(endTest, ".BASS")){
1327 +        strcpy(endTest, ".dump");
1328 +      }
1329 +      else{
1330 +        endTest = &(info[k].sampleName[nameLength - 4]);
1331 +        if (!strcmp(endTest, ".bss")){
1332 +          strcpy(endTest, ".dump");
1333 +        }
1334 +        else if (!strcmp(endTest, ".mdl")){
1335 +          strcpy(endTest, ".dump");
1336 +        }
1337 +        else{
1338 +          strcat(info[k].sampleName, ".dump");
1339 +        }
1340 +      }
1341 +
1342 +      strcpy(info[k].statusName, inFileName);
1343 +      nameLength = strlen(info[k].statusName);
1344 +      endTest = &(info[k].statusName[nameLength - 5]);
1345 +      if (!strcmp(endTest, ".bass")){
1346 +        strcpy(endTest, ".stat");
1347 +      }
1348 +      else if (!strcmp(endTest, ".BASS")){
1349 +        strcpy(endTest, ".stat");
1350 +      }
1351 +      else{
1352 +        endTest = &(info[k].statusName[nameLength - 4]);
1353 +        if (!strcmp(endTest, ".bss")){
1354 +          strcpy(endTest, ".stat");
1355 +        }
1356 +        else if (!strcmp(endTest, ".mdl")){
1357 +          strcpy(endTest, ".stat");
1358 +        }
1359 +        else{
1360 +          strcat(info[k].statusName, ".stat");
1361 +        }
1362 +      }
1363 +
1364 +      strcpy(info[k].rawPotName, inFileName);
1365 +      nameLength = strlen(info[k].rawPotName);
1366 +      endTest = &(info[k].rawPotName[nameLength - 5]);
1367 +      if (!strcmp(endTest, ".bass")){
1368 +        strcpy(endTest, ".raw");
1369 +      }
1370 +      else if (!strcmp(endTest, ".BASS")){
1371 +        strcpy(endTest, ".raw");
1372 +      }
1373 +      else{
1374 +        endTest = &(info[k].rawPotName[nameLength - 4]);
1375 +        if (!strcmp(endTest, ".bss")){
1376 +          strcpy(endTest, ".raw");
1377 +        }
1378 +        else if (!strcmp(endTest, ".mdl")){
1379 +          strcpy(endTest, ".raw");
1380 +        }
1381 +        else{
1382 +          strcat(info[k].rawPotName, ".raw");
1383 +        }
1384 +      }
1385 +
1386 + #ifdef IS_MPI
1387 +
1388 +    }
1389 + #endif // is_mpi
1390 +  }
1391 + }
1392 +
1393 +
1394 + void SimSetup::sysObjectsCreation(void){
1395 +  int i, k;
1396 +
1397 +  // create the forceField
1398 +
1399 +  createFF();
1400 +
1401 +  // extract componentList
1402 +
1403 +  compList();
1404 +
1405 +  // calc the number of atoms, bond, bends, and torsions
1406 +
1407 +  calcSysValues();
1408 +
1409 + #ifdef IS_MPI
1410 +  // divide the molecules among the processors
1411 +
1412 +  mpiMolDivide();
1413 + #endif //is_mpi
1414 +
1415 +  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1416 +
1417 +  makeSysArrays();
1418 +
1419 +  // make and initialize the molecules (all but atomic coordinates)
1420 +
1421 +  makeMolecules();
1422 +
1423 +  for (k = 0; k < nInfo; k++){
1424 +    info[k].identArray = new int[info[k].n_atoms];
1425 +    for (i = 0; i < info[k].n_atoms; i++){
1426 +      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1427 +    }
1428 +  }
1429 + }
1430 +
1431 +
1432 + void SimSetup::createFF(void){
1433 +  switch (ffCase){
1434 +    case FF_DUFF:
1435 +      the_ff = new DUFF();
1436 +      break;
1437 +
1438 +    case FF_LJ:
1439 +      the_ff = new LJFF();
1440 +      break;
1441 +
1442 +    case FF_EAM:
1443 +      the_ff = new EAM_FF();
1444 +      break;
1445 +
1446 +    case FF_H2O:
1447 +      the_ff = new WATER();
1448 +      break;
1449 +
1450 +    default:
1451 +      sprintf(painCave.errMsg,
1452 +              "SimSetup Error. Unrecognized force field in case statement.\n");
1453 +      painCave.isFatal = 1;
1454 +      simError();
1455 +  }
1456 +
1457 + #ifdef IS_MPI
1458 +  strcpy(checkPointMsg, "ForceField creation successful");
1459 +  MPIcheckPoint();
1460 + #endif // is_mpi
1461 + }
1462 +
1463 +
1464 + void SimSetup::compList(void){
1465 +  int i;
1466 +  char* id;
1467 +  LinkedMolStamp* headStamp = new LinkedMolStamp();
1468 +  LinkedMolStamp* currentStamp = NULL;
1469 +  comp_stamps = new MoleculeStamp * [n_components];
1470 +  bool haveCutoffGroups;
1471 +
1472 +  haveCutoffGroups = false;
1473 +  
1474 +  // make an array of molecule stamps that match the components used.
1475 +  // also extract the used stamps out into a separate linked list
1476 +
1477 +  for (i = 0; i < nInfo; i++){
1478 +    info[i].nComponents = n_components;
1479 +    info[i].componentsNmol = components_nmol;
1480 +    info[i].compStamps = comp_stamps;
1481 +    info[i].headStamp = headStamp;
1482 +  }
1483 +
1484 +
1485 +  for (i = 0; i < n_components; i++){
1486 +    id = the_components[i]->getType();
1487 +    comp_stamps[i] = NULL;
1488 +
1489 +    // check to make sure the component isn't already in the list
1490 +
1491 +    comp_stamps[i] = headStamp->match(id);
1492 +    if (comp_stamps[i] == NULL){
1493 +      // extract the component from the list;
1494 +
1495 +      currentStamp = stamps->extractMolStamp(id);
1496 +      if (currentStamp == NULL){
1497 +        sprintf(painCave.errMsg,
1498 +                "SimSetup error: Component \"%s\" was not found in the "
1499 +                "list of declared molecules\n",
1500 +                id);
1501 +        painCave.isFatal = 1;
1502 +        simError();
1503 +      }
1504 +
1505 +      headStamp->add(currentStamp);
1506 +      comp_stamps[i] = headStamp->match(id);
1507 +    }
1508 +
1509 +    if(comp_stamps[i]->getNCutoffGroups() > 0)
1510 +      haveCutoffGroups = true;    
1511 +  }
1512 +    
1513 +  for (i = 0; i < nInfo; i++)
1514 +    info[i].haveCutoffGroups = haveCutoffGroups;
1515 +
1516 + #ifdef IS_MPI
1517 +  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1518 +  MPIcheckPoint();
1519 + #endif // is_mpi
1520 + }
1521 +
1522 + void SimSetup::calcSysValues(void){
1523 +  int i, j;
1524 +  int ncutgroups, atomsingroups, ngroupsinstamp;
1525 +
1526 +  int* molMembershipArray;
1527 +  CutoffGroupStamp* cg;
1528 +
1529 +  tot_atoms = 0;
1530 +  tot_bonds = 0;
1531 +  tot_bends = 0;
1532 +  tot_torsions = 0;
1533 +  tot_rigid = 0;
1534 +  tot_groups = 0;
1535 +  for (i = 0; i < n_components; i++){
1536 +    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1537 +    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1538 +    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1539 +    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1540 +    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1541 +
1542 +    ncutgroups = comp_stamps[i]->getNCutoffGroups();
1543 +    atomsingroups = 0;
1544 +    for (j=0; j < ncutgroups; j++) {
1545 +      cg = comp_stamps[i]->getCutoffGroup(j);
1546 +      atomsingroups += cg->getNMembers();
1547 +    }
1548 +    ngroupsinstamp = comp_stamps[i]->getNAtoms() - atomsingroups + ncutgroups;
1549 +    tot_groups += components_nmol[i] * ngroupsinstamp;    
1550 +  }
1551 +  
1552 +  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1553 +  molMembershipArray = new int[tot_atoms];
1554 +
1555 +  for (i = 0; i < nInfo; i++){
1556 +    info[i].n_atoms = tot_atoms;
1557 +    info[i].n_bonds = tot_bonds;
1558 +    info[i].n_bends = tot_bends;
1559 +    info[i].n_torsions = tot_torsions;
1560 +    info[i].n_SRI = tot_SRI;
1561 +    info[i].n_mol = tot_nmol;
1562 +    info[i].ngroup = tot_groups;
1563 +    info[i].molMembershipArray = molMembershipArray;
1564 +  }
1565 + }
1566 +
1567 + #ifdef IS_MPI
1568 +
1569 + void SimSetup::mpiMolDivide(void){
1570 +  int i, j, k;
1571 +  int localMol, allMol;
1572 +  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1573 +  int local_rigid, local_groups;
1574 +  vector<int> globalMolIndex;
1575 +  int ncutgroups, atomsingroups, ngroupsinstamp;
1576 +  CutoffGroupStamp* cg;
1577 +
1578 +  mpiSim = new mpiSimulation(info);
1579 +
1580 +  mpiSim->divideLabor();
1581 +  globalAtomIndex = mpiSim->getGlobalAtomIndex();
1582 +  //globalMolIndex = mpiSim->getGlobalMolIndex();
1583 +
1584 +  // set up the local variables
1585 +
1586 +  mol2proc = mpiSim->getMolToProcMap();
1587 +  molCompType = mpiSim->getMolComponentType();
1588 +
1589 +  allMol = 0;
1590 +  localMol = 0;
1591 +  local_atoms = 0;
1592 +  local_bonds = 0;
1593 +  local_bends = 0;
1594 +  local_torsions = 0;
1595 +  local_rigid = 0;
1596 +  local_groups = 0;
1597 +  globalAtomCounter = 0;
1598 +
1599 +  for (i = 0; i < n_components; i++){
1600 +    for (j = 0; j < components_nmol[i]; j++){
1601 +      if (mol2proc[allMol] == worldRank){
1602 +        local_atoms += comp_stamps[i]->getNAtoms();
1603 +        local_bonds += comp_stamps[i]->getNBonds();
1604 +        local_bends += comp_stamps[i]->getNBends();
1605 +        local_torsions += comp_stamps[i]->getNTorsions();
1606 +        local_rigid += comp_stamps[i]->getNRigidBodies();
1607 +
1608 +        ncutgroups = comp_stamps[i]->getNCutoffGroups();
1609 +        atomsingroups = 0;
1610 +        for (k=0; k < ncutgroups; k++) {
1611 +          cg = comp_stamps[i]->getCutoffGroup(k);
1612 +          atomsingroups += cg->getNMembers();
1613 +        }
1614 +        ngroupsinstamp = comp_stamps[i]->getNAtoms() - atomsingroups +
1615 +          ncutgroups;
1616 +        local_groups += ngroupsinstamp;    
1617 +
1618 +        localMol++;
1619 +      }      
1620 +      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1621 +        info[0].molMembershipArray[globalAtomCounter] = allMol;
1622 +        globalAtomCounter++;
1623 +      }
1624 +
1625 +      allMol++;
1626 +    }
1627 +  }
1628 +  local_SRI = local_bonds + local_bends + local_torsions;
1629 +
1630 +  info[0].n_atoms = mpiSim->getNAtomsLocal();  
1631 +  
1632 +  if (local_atoms != info[0].n_atoms){
1633 +    sprintf(painCave.errMsg,
1634 +            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1635 +            "\tlocalAtom (%d) are not equal.\n",
1636 +            info[0].n_atoms, local_atoms);
1637 +    painCave.isFatal = 1;
1638 +    simError();
1639 +  }
1640 +
1641 +  info[0].ngroup = mpiSim->getNGroupsLocal();  
1642 +  if (local_groups != info[0].ngroup){
1643 +    sprintf(painCave.errMsg,
1644 +            "SimSetup error: mpiSim's localGroups (%d) and SimSetup's\n"
1645 +            "\tlocalGroups (%d) are not equal.\n",
1646 +            info[0].ngroup, local_groups);
1647 +    painCave.isFatal = 1;
1648 +    simError();
1649 +  }
1650 +  
1651 +  info[0].n_bonds = local_bonds;
1652 +  info[0].n_bends = local_bends;
1653 +  info[0].n_torsions = local_torsions;
1654 +  info[0].n_SRI = local_SRI;
1655 +  info[0].n_mol = localMol;
1656 +
1657 +  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1658 +  MPIcheckPoint();
1659 + }
1660 +
1661 + #endif // is_mpi
1662 +
1663 +
1664 + void SimSetup::makeSysArrays(void){
1665 +
1666 + #ifndef IS_MPI
1667 +  int k, j;
1668 + #endif // is_mpi
1669 +  int i, l;
1670 +
1671 +  Atom** the_atoms;
1672 +  Molecule* the_molecules;
1673 +
1674 +  for (l = 0; l < nInfo; l++){
1675 +    // create the atom and short range interaction arrays
1676 +
1677 +    the_atoms = new Atom * [info[l].n_atoms];
1678 +    the_molecules = new Molecule[info[l].n_mol];
1679 +    int molIndex;
1680 +
1681 +    // initialize the molecule's stampID's
1682 +
1683 + #ifdef IS_MPI
1684 +
1685 +
1686 +    molIndex = 0;
1687 +    for (i = 0; i < mpiSim->getNMolGlobal(); i++){
1688 +      if (mol2proc[i] == worldRank){
1689 +        the_molecules[molIndex].setStampID(molCompType[i]);
1690 +        the_molecules[molIndex].setMyIndex(molIndex);
1691 +        the_molecules[molIndex].setGlobalIndex(i);
1692 +        molIndex++;
1693 +      }
1694 +    }
1695 +
1696 + #else // is_mpi
1697 +
1698 +    molIndex = 0;
1699 +    globalAtomCounter = 0;
1700 +    for (i = 0; i < n_components; i++){
1701 +      for (j = 0; j < components_nmol[i]; j++){
1702 +        the_molecules[molIndex].setStampID(i);
1703 +        the_molecules[molIndex].setMyIndex(molIndex);
1704 +        the_molecules[molIndex].setGlobalIndex(molIndex);
1705 +        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1706 +          info[l].molMembershipArray[globalAtomCounter] = molIndex;
1707 +          globalAtomCounter++;
1708 +        }
1709 +        molIndex++;
1710 +      }
1711 +    }
1712 +
1713 +
1714 + #endif // is_mpi
1715 +
1716 +    info[l].globalExcludes = new int;
1717 +    info[l].globalExcludes[0] = 0;
1718 +    
1719 +    // set the arrays into the SimInfo object
1720 +
1721 +    info[l].atoms = the_atoms;
1722 +    info[l].molecules = the_molecules;
1723 +    info[l].nGlobalExcludes = 0;
1724 +    
1725 +    the_ff->setSimInfo(info);
1726 +  }
1727 + }
1728 +
1729 + void SimSetup::makeIntegrator(void){
1730 +  int k;
1731 +
1732 +  NVE<RealIntegrator>* myNVE = NULL;
1733 +  NVT<RealIntegrator>* myNVT = NULL;
1734 +  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1735 +  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1736 +  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1737 +  
1738 +  for (k = 0; k < nInfo; k++){
1739 +    switch (ensembleCase){
1740 +      case NVE_ENS:
1741 +        if (globals->haveZconstraints()){
1742 +          setupZConstraint(info[k]);
1743 +          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1744 +        }
1745 +        else{
1746 +          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1747 +        }
1748 +        
1749 +        info->the_integrator = myNVE;
1750 +        break;
1751 +
1752 +      case NVT_ENS:
1753 +        if (globals->haveZconstraints()){
1754 +          setupZConstraint(info[k]);
1755 +          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1756 +        }
1757 +        else
1758 +          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1759 +
1760 +        myNVT->setTargetTemp(globals->getTargetTemp());
1761 +
1762 +        if (globals->haveTauThermostat())
1763 +          myNVT->setTauThermostat(globals->getTauThermostat());
1764 +        else{
1765 +          sprintf(painCave.errMsg,
1766 +                  "SimSetup error: If you use the NVT\n"
1767 +                  "\tensemble, you must set tauThermostat.\n");
1768 +          painCave.isFatal = 1;
1769 +          simError();
1770 +        }
1771 +
1772 +        info->the_integrator = myNVT;
1773 +        break;
1774 +
1775 +      case NPTi_ENS:
1776 +        if (globals->haveZconstraints()){
1777 +          setupZConstraint(info[k]);
1778 +          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1779 +        }
1780 +        else
1781 +          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1782 +
1783 +        myNPTi->setTargetTemp(globals->getTargetTemp());
1784 +
1785 +        if (globals->haveTargetPressure())
1786 +          myNPTi->setTargetPressure(globals->getTargetPressure());
1787 +        else{
1788 +          sprintf(painCave.errMsg,
1789 +                  "SimSetup error: If you use a constant pressure\n"
1790 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1791 +          painCave.isFatal = 1;
1792 +          simError();
1793 +        }
1794 +
1795 +        if (globals->haveTauThermostat())
1796 +          myNPTi->setTauThermostat(globals->getTauThermostat());
1797 +        else{
1798 +          sprintf(painCave.errMsg,
1799 +                  "SimSetup error: If you use an NPT\n"
1800 +                  "\tensemble, you must set tauThermostat.\n");
1801 +          painCave.isFatal = 1;
1802 +          simError();
1803 +        }
1804 +
1805 +        if (globals->haveTauBarostat())
1806 +          myNPTi->setTauBarostat(globals->getTauBarostat());
1807 +        else{
1808 +          sprintf(painCave.errMsg,
1809 +                  "SimSetup error: If you use an NPT\n"
1810 +                  "\tensemble, you must set tauBarostat.\n");
1811 +          painCave.isFatal = 1;
1812 +          simError();
1813 +        }
1814 +
1815 +        info->the_integrator = myNPTi;
1816 +        break;
1817 +
1818 +      case NPTf_ENS:
1819 +        if (globals->haveZconstraints()){
1820 +          setupZConstraint(info[k]);
1821 +          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1822 +        }
1823 +        else
1824 +          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1825 +
1826 +        myNPTf->setTargetTemp(globals->getTargetTemp());
1827 +
1828 +        if (globals->haveTargetPressure())
1829 +          myNPTf->setTargetPressure(globals->getTargetPressure());
1830 +        else{
1831 +          sprintf(painCave.errMsg,
1832 +                  "SimSetup error: If you use a constant pressure\n"
1833 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1834 +          painCave.isFatal = 1;
1835 +          simError();
1836 +        }    
1837 +
1838 +        if (globals->haveTauThermostat())
1839 +          myNPTf->setTauThermostat(globals->getTauThermostat());
1840 +
1841 +        else{
1842 +          sprintf(painCave.errMsg,
1843 +                  "SimSetup error: If you use an NPT\n"
1844 +                  "\tensemble, you must set tauThermostat.\n");
1845 +          painCave.isFatal = 1;
1846 +          simError();
1847 +        }
1848 +
1849 +        if (globals->haveTauBarostat())
1850 +          myNPTf->setTauBarostat(globals->getTauBarostat());
1851 +
1852 +        else{
1853 +          sprintf(painCave.errMsg,
1854 +                  "SimSetup error: If you use an NPT\n"
1855 +                  "\tensemble, you must set tauBarostat.\n");
1856 +          painCave.isFatal = 1;
1857 +          simError();
1858 +        }
1859 +
1860 +        info->the_integrator = myNPTf;
1861 +        break;
1862 +
1863 +      case NPTxyz_ENS:
1864 +        if (globals->haveZconstraints()){
1865 +          setupZConstraint(info[k]);
1866 +          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1867 +        }
1868 +        else
1869 +          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1870 +
1871 +        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1872 +
1873 +        if (globals->haveTargetPressure())
1874 +          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1875 +        else{
1876 +          sprintf(painCave.errMsg,
1877 +                  "SimSetup error: If you use a constant pressure\n"
1878 +                  "\tensemble, you must set targetPressure in the BASS file.\n");
1879 +          painCave.isFatal = 1;
1880 +          simError();
1881 +        }    
1882 +
1883 +        if (globals->haveTauThermostat())
1884 +          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1885 +        else{
1886 +          sprintf(painCave.errMsg,
1887 +                  "SimSetup error: If you use an NPT\n"
1888 +                  "\tensemble, you must set tauThermostat.\n");
1889 +          painCave.isFatal = 1;
1890 +          simError();
1891 +        }
1892 +
1893 +        if (globals->haveTauBarostat())
1894 +          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1895 +        else{
1896 +          sprintf(painCave.errMsg,
1897 +                  "SimSetup error: If you use an NPT\n"
1898 +                  "\tensemble, you must set tauBarostat.\n");
1899 +          painCave.isFatal = 1;
1900 +          simError();
1901 +        }
1902 +
1903 +        info->the_integrator = myNPTxyz;
1904 +        break;
1905 +
1906 +      default:
1907 +        sprintf(painCave.errMsg,
1908 +                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1909 +        painCave.isFatal = 1;
1910 +        simError();
1911 +    }
1912 +  }
1913 + }
1914 +
1915 + void SimSetup::initFortran(void){
1916 +  info[0].refreshSim();
1917 +
1918 +  if (!strcmp(info[0].mixingRule, "standard")){
1919 +    the_ff->initForceField(LB_MIXING_RULE);
1920 +  }
1921 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1922 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1923 +  }
1924 +  else{
1925 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1926 +            info[0].mixingRule);
1927 +    painCave.isFatal = 1;
1928 +    simError();
1929 +  }
1930 +
1931 +
1932 + #ifdef IS_MPI
1933 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1934 +  MPIcheckPoint();
1935 + #endif // is_mpi
1936 + }
1937 +
1938 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1939 +  int nZConstraints;
1940 +  ZconStamp** zconStamp;
1941 +
1942 +  if (globals->haveZconstraintTime()){
1943 +    //add sample time of z-constraint  into SimInfo's property list                    
1944 +    DoubleData* zconsTimeProp = new DoubleData();
1945 +    zconsTimeProp->setID(ZCONSTIME_ID);
1946 +    zconsTimeProp->setData(globals->getZconsTime());
1947 +    theInfo.addProperty(zconsTimeProp);
1948 +  }
1949 +  else{
1950 +    sprintf(painCave.errMsg,
1951 +            "ZConstraint error: If you use a ZConstraint,\n"
1952 +            "\tyou must set zconsTime.\n");
1953 +    painCave.isFatal = 1;
1954 +    simError();
1955 +  }
1956 +
1957 +  //push zconsTol into siminfo, if user does not specify
1958 +  //value for zconsTol, a default value will be used
1959 +  DoubleData* zconsTol = new DoubleData();
1960 +  zconsTol->setID(ZCONSTOL_ID);
1961 +  if (globals->haveZconsTol()){
1962 +    zconsTol->setData(globals->getZconsTol());
1963 +  }
1964 +  else{
1965 +    double defaultZConsTol = 0.01;
1966 +    sprintf(painCave.errMsg,
1967 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1968 +            "\tOOPSE will use a default value of %f.\n"
1969 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1970 +            defaultZConsTol);
1971 +    painCave.isFatal = 0;
1972 +    simError();      
1973 +
1974 +    zconsTol->setData(defaultZConsTol);
1975 +  }
1976 +  theInfo.addProperty(zconsTol);
1977 +
1978 +  //set Force Subtraction Policy
1979 +  StringData* zconsForcePolicy = new StringData();
1980 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1981 +
1982 +  if (globals->haveZconsForcePolicy()){
1983 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1984 +  }
1985 +  else{
1986 +    sprintf(painCave.errMsg,
1987 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1988 +            "\tOOPSE will use PolicyByMass.\n"
1989 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1990 +    painCave.isFatal = 0;
1991 +    simError();
1992 +    zconsForcePolicy->setData("BYMASS");
1993 +  }
1994 +
1995 +  theInfo.addProperty(zconsForcePolicy);
1996 +
1997 +  //set zcons gap
1998 +  DoubleData* zconsGap = new DoubleData();
1999 +  zconsGap->setID(ZCONSGAP_ID);
2000 +
2001 +  if (globals->haveZConsGap()){
2002 +    zconsGap->setData(globals->getZconsGap());
2003 +    theInfo.addProperty(zconsGap);  
2004 +  }
2005 +
2006 +  //set zcons fixtime
2007 +  DoubleData* zconsFixtime = new DoubleData();
2008 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
2009 +
2010 +  if (globals->haveZConsFixTime()){
2011 +    zconsFixtime->setData(globals->getZconsFixtime());
2012 +    theInfo.addProperty(zconsFixtime);  
2013 +  }
2014 +
2015 +  //set zconsUsingSMD
2016 +  IntData* zconsUsingSMD = new IntData();
2017 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
2018 +
2019 +  if (globals->haveZConsUsingSMD()){
2020 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
2021 +    theInfo.addProperty(zconsUsingSMD);  
2022 +  }
2023 +
2024 +  //Determine the name of ouput file and add it into SimInfo's property list
2025 +  //Be careful, do not use inFileName, since it is a pointer which
2026 +  //point to a string at master node, and slave nodes do not contain that string
2027 +
2028 +  string zconsOutput(theInfo.finalName);
2029 +
2030 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
2031 +
2032 +  StringData* zconsFilename = new StringData();
2033 +  zconsFilename->setID(ZCONSFILENAME_ID);
2034 +  zconsFilename->setData(zconsOutput);
2035 +
2036 +  theInfo.addProperty(zconsFilename);
2037 +
2038 +  //setup index, pos and other parameters of z-constraint molecules
2039 +  nZConstraints = globals->getNzConstraints();
2040 +  theInfo.nZconstraints = nZConstraints;
2041 +
2042 +  zconStamp = globals->getZconStamp();
2043 +  ZConsParaItem tempParaItem;
2044 +
2045 +  ZConsParaData* zconsParaData = new ZConsParaData();
2046 +  zconsParaData->setID(ZCONSPARADATA_ID);
2047 +
2048 +  for (int i = 0; i < nZConstraints; i++){
2049 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
2050 +    tempParaItem.zPos = zconStamp[i]->getZpos();
2051 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
2052 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
2053 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
2054 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
2055 +    zconsParaData->addItem(tempParaItem);
2056 +  }
2057 +
2058 +  //check the uniqueness of index  
2059 +  if(!zconsParaData->isIndexUnique()){
2060 +    sprintf(painCave.errMsg,
2061 +            "ZConstraint Error: molIndex is not unique!\n");
2062 +    painCave.isFatal = 1;
2063 +    simError();
2064 +  }
2065 +
2066 +  //sort the parameters by index of molecules
2067 +  zconsParaData->sortByIndex();
2068 +  
2069 +  //push data into siminfo, therefore, we can retrieve later
2070 +  theInfo.addProperty(zconsParaData);
2071 + }
2072 +
2073 + void SimSetup::makeMinimizer(){
2074 +
2075 +  OOPSEMinimizer* myOOPSEMinimizer;
2076 +  MinimizerParameterSet* param;
2077 +  char minimizerName[100];
2078 +  
2079 +  for (int i = 0; i < nInfo; i++){
2080 +    
2081 +    //prepare parameter set for minimizer
2082 +    param = new MinimizerParameterSet();
2083 +    param->setDefaultParameter();
2084 +
2085 +    if (globals->haveMinimizer()){
2086 +      param->setFTol(globals->getMinFTol());
2087 +    }
2088 +
2089 +    if (globals->haveMinGTol()){
2090 +      param->setGTol(globals->getMinGTol());
2091 +    }
2092 +
2093 +    if (globals->haveMinMaxIter()){
2094 +      param->setMaxIteration(globals->getMinMaxIter());
2095 +    }
2096 +
2097 +    if (globals->haveMinWriteFrq()){
2098 +      param->setMaxIteration(globals->getMinMaxIter());
2099 +    }
2100 +
2101 +    if (globals->haveMinWriteFrq()){
2102 +      param->setWriteFrq(globals->getMinWriteFrq());
2103 +    }
2104 +    
2105 +    if (globals->haveMinStepSize()){
2106 +      param->setStepSize(globals->getMinStepSize());
2107 +    }
2108 +
2109 +    if (globals->haveMinLSMaxIter()){
2110 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
2111 +    }    
2112 +
2113 +    if (globals->haveMinLSTol()){
2114 +      param->setLineSearchTol(globals->getMinLSTol());
2115 +    }    
2116 +
2117 +    strcpy(minimizerName, globals->getMinimizer());
2118 +
2119 +    if (!strcasecmp(minimizerName, "CG")){
2120 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
2121 +    }
2122 +    else if (!strcasecmp(minimizerName, "SD")){
2123 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
2124 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
2125 +    }
2126 +    else{
2127 +          sprintf(painCave.errMsg,
2128 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
2129 +          painCave.isFatal = 0;
2130 +          simError();
2131 +
2132 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
2133 +    }
2134 +     info[i].the_integrator = myOOPSEMinimizer;
2135 +
2136 +     //store the minimizer into simInfo
2137 +     info[i].the_minimizer = myOOPSEMinimizer;
2138 +     info[i].has_minimizer = true;
2139 +  }
2140 +
2141 + }

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