ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
(Generate patch)

Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 394 by gezelter, Mon Mar 24 21:55:34 2003 UTC vs.
Revision 1108 by tim, Wed Apr 14 15:37:41 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <algorithm>
2 > #include <stdlib.h>
3   #include <iostream>
4 < #include <cmath>
5 <
4 > #include <math.h>
5 > #include <string>
6 > #include <sprng.h>
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
12 + #include "RigidBody.hpp"
13 + //#include "ConjugateMinimizer.hpp"
14 + #include "OOPSEMinimizer.hpp"
15  
16   #ifdef IS_MPI
17   #include "mpiBASS.h"
18   #include "mpiSimulation.hpp"
19   #endif
20  
21 + // some defines for ensemble and Forcefield  cases
22 +
23 + #define NVE_ENS        0
24 + #define NVT_ENS        1
25 + #define NPTi_ENS       2
26 + #define NPTf_ENS       3
27 + #define NPTxyz_ENS     4
28 +
29 +
30 + #define FF_DUFF  0
31 + #define FF_LJ    1
32 + #define FF_EAM   2
33 + #define FF_H2O   3
34 +
35 + using namespace std;
36 +
37 + /**
38 + * Check whether dividend is divisble by divisor or not
39 + */
40 + bool isDivisible(double dividend, double divisor){
41 +  double tolerance = 0.000001;
42 +  double quotient;
43 +  double diff;
44 +  int intQuotient;
45 +  
46 +  quotient = dividend / divisor;
47 +
48 +  if (quotient < 0)
49 +    quotient = -quotient;
50 +
51 +  intQuotient = int (quotient + tolerance);
52 +
53 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
54 +
55 +  if (diff <= tolerance)
56 +    return true;
57 +  else
58 +    return false;  
59 + }
60 +
61   SimSetup::SimSetup(){
62 +  
63 +  initSuspend = false;
64 +  isInfoArray = 0;
65 +  nInfo = 1;
66 +
67    stamps = new MakeStamps();
68    globals = new Globals();
69 <  
69 >
70 >
71   #ifdef IS_MPI
72 <  strcpy( checkPointMsg, "SimSetup creation successful" );
72 >  strcpy(checkPointMsg, "SimSetup creation successful");
73    MPIcheckPoint();
74   #endif // IS_MPI
75   }
# Line 27 | Line 79 | SimSetup::~SimSetup(){
79    delete globals;
80   }
81  
82 < void SimSetup::parseFile( char* fileName ){
82 > void SimSetup::setSimInfo(SimInfo* the_info, int theNinfo){
83 >  info = the_info;
84 >  nInfo = theNinfo;
85 >  isInfoArray = 1;
86 >  initSuspend = true;
87 > }
88  
89 +
90 + void SimSetup::parseFile(char* fileName){
91   #ifdef IS_MPI
92 <  if( worldRank == 0 ){
92 >  if (worldRank == 0){
93   #endif // is_mpi
94 <    
94 >
95      inFileName = fileName;
96 <    set_interface_stamps( stamps, globals );
97 <    
96 >    set_interface_stamps(stamps, globals);
97 >
98   #ifdef IS_MPI
99      mpiEventInit();
100   #endif
101  
102 <    yacc_BASS( fileName );
102 >    yacc_BASS(fileName);
103  
104   #ifdef IS_MPI
105      throwMPIEvent(NULL);
106    }
107 <  else receiveParse();
107 >  else{
108 >    receiveParse();
109 >  }
110   #endif
111  
112   }
113  
114   #ifdef IS_MPI
115   void SimSetup::receiveParse(void){
116 <
117 <    set_interface_stamps( stamps, globals );
118 <    mpiEventInit();
119 <    MPIcheckPoint();
59 <    mpiEventLoop();
60 <
116 >  set_interface_stamps(stamps, globals);
117 >  mpiEventInit();
118 >  MPIcheckPoint();
119 >  mpiEventLoop();
120   }
121  
122   #endif // is_mpi
123  
124 < void SimSetup::createSim( void ){
124 > void SimSetup::createSim(void){
125  
126 <  MakeStamps *the_stamps;
68 <  Globals* the_globals;
69 <  int i, j;
126 >  // gather all of the information from the Bass file
127  
128 <  // get the stamps and globals;
72 <  the_stamps = stamps;
73 <  the_globals = globals;
128 >  gatherInfo();
129  
130 <  // set the easy ones first
76 <  simnfo->target_temp = the_globals->getTargetTemp();
77 <  simnfo->dt = the_globals->getDt();
78 <  simnfo->run_time = the_globals->getRunTime();
130 >  // creation of complex system objects
131  
132 <  // get the ones we know are there, yet still may need some work.
81 <  n_components = the_globals->getNComponents();
82 <  strcpy( force_field, the_globals->getForceField() );
83 <  strcpy( ensemble, the_globals->getEnsemble() );
84 <  strcpy( simnfo->ensemble, ensemble );
132 >  sysObjectsCreation();
133  
134 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
87 <  simnfo->usePBC = the_globals->getPBC();
88 <          
134 >  // check on the post processing info
135  
136 +  finalInfoCheck();
137  
138 <  if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
92 <  else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
93 <  else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
94 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
95 <  else{
96 <    sprintf( painCave.errMsg,
97 <             "SimSetup Error. Unrecognized force field -> %s\n",
98 <             force_field );
99 <    painCave.isFatal = 1;
100 <    simError();
101 <  }
138 >  // initialize the system coordinates
139  
140 < #ifdef IS_MPI
141 <  strcpy( checkPointMsg, "ForceField creation successful" );
105 <  MPIcheckPoint();
106 < #endif // is_mpi
140 >  if ( !initSuspend ){
141 >    initSystemCoords();
142  
143 <  
143 >    if( !(globals->getUseInitTime()) )
144 >      info[0].currentTime = 0.0;
145 >  }  
146  
147 <  // get the components and calculate the tot_nMol and indvidual n_mol
111 <  the_components = the_globals->getComponents();
112 <  components_nmol = new int[n_components];
113 <  comp_stamps = new MoleculeStamp*[n_components];
147 >  // make the output filenames
148  
149 <  if( !the_globals->haveNMol() ){
116 <    // we don't have the total number of molecules, so we assume it is
117 <    // given in each component
149 >  makeOutNames();
150  
151 <    tot_nmol = 0;
152 <    for( i=0; i<n_components; i++ ){
151 >  if (globals->haveMinimizer())
152 >    // make minimizer
153 >    makeMinimizer();
154 >  else
155 >    // make the integrator
156 >    makeIntegrator();
157 >  
158 > #ifdef IS_MPI
159 >  mpiSim->mpiRefresh();
160 > #endif
161  
162 <      if( !the_components[i]->haveNMol() ){
123 <        // we have a problem
124 <        sprintf( painCave.errMsg,
125 <                 "SimSetup Error. No global NMol or component NMol"
126 <                 " given. Cannot calculate the number of atoms.\n" );
127 <        painCave.isFatal = 1;
128 <        simError();
129 <      }
162 >  // initialize the Fortran
163  
164 <      tot_nmol += the_components[i]->getNMol();
165 <      components_nmol[i] = the_components[i]->getNMol();
133 <    }
134 <  }
135 <  else{
136 <    sprintf( painCave.errMsg,
137 <             "SimSetup error.\n"
138 <             "\tSorry, the ability to specify total"
139 <             " nMols and then give molfractions in the components\n"
140 <             "\tis not currently supported."
141 <             " Please give nMol in the components.\n" );
142 <    painCave.isFatal = 1;
143 <    simError();
144 <    
145 <    
146 <    //     tot_nmol = the_globals->getNMol();
147 <    
148 <    //   //we have the total number of molecules, now we check for molfractions
149 <    //     for( i=0; i<n_components; i++ ){
150 <    
151 <    //       if( !the_components[i]->haveMolFraction() ){
152 <    
153 <    //  if( !the_components[i]->haveNMol() ){
154 <    //    //we have a problem
155 <    //    std::cerr << "SimSetup error. Neither molFraction nor "
156 <    //              << " nMol was given in component
157 <    
158 <  }
164 >  initFortran();
165 > }
166  
160 #ifdef IS_MPI
161  strcpy( checkPointMsg, "Have the number of components" );
162  MPIcheckPoint();
163 #endif // is_mpi
167  
168 <  // make an array of molecule stamps that match the components used.
169 <  // also extract the used stamps out into a separate linked list
168 > void SimSetup::makeMolecules(void){
169 >  int i, j, k;
170 >  int exI, exJ, exK, exL, slI, slJ;
171 >  int tempI, tempJ, tempK, tempL;
172 >  int molI;
173 >  int stampID, atomOffset, rbOffset;
174 >  molInit molInfo;
175 >  DirectionalAtom* dAtom;
176 >  RigidBody* myRB;
177 >  StuntDouble* mySD;
178 >  LinkedAssign* extras;
179 >  LinkedAssign* current_extra;
180 >  AtomStamp* currentAtom;
181 >  BondStamp* currentBond;
182 >  BendStamp* currentBend;
183 >  TorsionStamp* currentTorsion;
184 >  RigidBodyStamp* currentRigidBody;
185  
186 <  simnfo->nComponents = n_components;
187 <  simnfo->componentsNmol = components_nmol;
188 <  simnfo->compStamps = comp_stamps;
171 <  simnfo->headStamp = new LinkedMolStamp();
172 <  
173 <  char* id;
174 <  LinkedMolStamp* headStamp = simnfo->headStamp;
175 <  LinkedMolStamp* currentStamp = NULL;
176 <  for( i=0; i<n_components; i++ ){
186 >  bond_pair* theBonds;
187 >  bend_set* theBends;
188 >  torsion_set* theTorsions;
189  
190 <    id = the_components[i]->getType();
179 <    comp_stamps[i] = NULL;
180 <    
181 <    // check to make sure the component isn't already in the list
190 >  set<int> skipList;
191  
192 <    comp_stamps[i] = headStamp->match( id );
193 <    if( comp_stamps[i] == NULL ){
194 <      
186 <      // extract the component from the list;
187 <      
188 <      currentStamp = the_stamps->extractMolStamp( id );
189 <      if( currentStamp == NULL ){
190 <        sprintf( painCave.errMsg,
191 <                 "SimSetup error: Component \"%s\" was not found in the "
192 <                 "list of declared molecules\n",
193 <                 id );
194 <        painCave.isFatal = 1;
195 <        simError();
196 <      }
197 <      
198 <      headStamp->add( currentStamp );
199 <      comp_stamps[i] = headStamp->match( id );
200 <    }
201 <  }
192 >  double phi, theta, psi;
193 >  char* molName;
194 >  char rbName[100];
195  
196 < #ifdef IS_MPI
204 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
205 <  MPIcheckPoint();
206 < #endif // is_mpi
207 <  
196 >  //init the forceField paramters
197  
198 +  the_ff->readParams();
199  
200 +  // init the atoms
201  
202 <  // caclulate the number of atoms, bonds, bends and torsions
202 >  int nMembers, nNew, rb1, rb2;
203  
204 <  tot_atoms = 0;
205 <  tot_bonds = 0;
215 <  tot_bends = 0;
216 <  tot_torsions = 0;
217 <  for( i=0; i<n_components; i++ ){
218 <    
219 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
220 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
221 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
222 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
223 <  }
204 >  for (k = 0; k < nInfo; k++){
205 >    the_ff->setSimInfo(&(info[k]));
206  
207 <  tot_SRI = tot_bonds + tot_bends + tot_torsions;
207 >    atomOffset = 0;
208  
209 <  simnfo->n_atoms = tot_atoms;
210 <  simnfo->n_bonds = tot_bonds;
211 <  simnfo->n_bends = tot_bends;
230 <  simnfo->n_torsions = tot_torsions;
231 <  simnfo->n_SRI = tot_SRI;
232 <  simnfo->n_mol = tot_nmol;
209 >    for (i = 0; i < info[k].n_mol; i++){
210 >      stampID = info[k].molecules[i].getStampID();
211 >      molName = comp_stamps[stampID]->getID();
212  
213 <  
214 < #ifdef IS_MPI
213 >      molInfo.nAtoms = comp_stamps[stampID]->getNAtoms();
214 >      molInfo.nBonds = comp_stamps[stampID]->getNBonds();
215 >      molInfo.nBends = comp_stamps[stampID]->getNBends();
216 >      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
217 >      molInfo.nRigidBodies = comp_stamps[stampID]->getNRigidBodies();
218 >      
219 >      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
220  
221 <  // divide the molecules among processors here.
222 <  
223 <  mpiSim = new mpiSimulation( simnfo );
224 <  
241 <  
221 >      if (molInfo.nBonds > 0)
222 >        molInfo.myBonds = new (Bond *) [molInfo.nBonds];
223 >      else
224 >        molInfo.myBonds = NULL;
225  
226 <  globalIndex = mpiSim->divideLabor();
226 >      if (molInfo.nBends > 0)
227 >        molInfo.myBends = new (Bend *) [molInfo.nBends];
228 >      else
229 >        molInfo.myBends = NULL;
230  
231 +      if (molInfo.nTorsions > 0)
232 +        molInfo.myTorsions = new (Torsion *) [molInfo.nTorsions];
233 +      else
234 +        molInfo.myTorsions = NULL;
235  
236 <
237 <  // set up the local variables
238 <  
249 <  int localMol, allMol;
250 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
251 <  
252 <  allMol = 0;
253 <  localMol = 0;
254 <  local_atoms = 0;
255 <  local_bonds = 0;
256 <  local_bends = 0;
257 <  local_torsions = 0;
258 <  for( i=0; i<n_components; i++ ){
259 <
260 <    for( j=0; j<components_nmol[i]; j++ ){
236 >      theBonds = new bond_pair[molInfo.nBonds];
237 >      theBends = new bend_set[molInfo.nBends];
238 >      theTorsions = new torsion_set[molInfo.nTorsions];
239        
240 <      if( mpiSim->getMyMolStart() <= allMol &&
263 <          allMol <= mpiSim->getMyMolEnd() ){
264 <        
265 <        local_atoms +=    comp_stamps[i]->getNAtoms();
266 <        local_bonds +=    comp_stamps[i]->getNBonds();
267 <        local_bends +=    comp_stamps[i]->getNBends();
268 <        local_torsions += comp_stamps[i]->getNTorsions();
269 <        localMol++;
270 <      }      
271 <      allMol++;
272 <    }
273 <  }
274 <  local_SRI = local_bonds + local_bends + local_torsions;
275 <  
240 >      // make the Atoms
241  
242 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
243 <  
279 <  if( local_atoms != simnfo->n_atoms ){
280 <    sprintf( painCave.errMsg,
281 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
282 <             " localAtom (%d) are note equal.\n",
283 <             simnfo->n_atoms,
284 <             local_atoms );
285 <    painCave.isFatal = 1;
286 <    simError();
287 <  }
242 >      for (j = 0; j < molInfo.nAtoms; j++){
243 >        currentAtom = comp_stamps[stampID]->getAtom(j);
244  
245 <  simnfo->n_bonds = local_bonds;
246 <  simnfo->n_bends = local_bends;
247 <  simnfo->n_torsions = local_torsions;
248 <  simnfo->n_SRI = local_SRI;
249 <  simnfo->n_mol = localMol;
245 >        if (currentAtom->haveOrientation()){
246 >          dAtom = new DirectionalAtom((j + atomOffset),
247 >                                      info[k].getConfiguration());
248 >          info[k].n_oriented++;
249 >          molInfo.myAtoms[j] = dAtom;
250  
251 <  strcpy( checkPointMsg, "Passed nlocal consistency check." );
252 <  MPIcheckPoint();
253 <  
298 <  
299 < #endif // is_mpi
300 <  
251 >          // Directional Atoms have standard unit vectors which are oriented
252 >          // in space using the three Euler angles.  We assume the standard
253 >          // unit vector was originally along the z axis below.
254  
255 <  // create the atom and short range interaction arrays
255 >          phi = currentAtom->getEulerPhi() * M_PI / 180.0;
256 >          theta = currentAtom->getEulerTheta() * M_PI / 180.0;
257 >          psi = currentAtom->getEulerPsi()* M_PI / 180.0;
258  
259 <  Atom::createArrays(simnfo->n_atoms);
260 <  the_atoms = new Atom*[simnfo->n_atoms];
261 <  the_molecules = new Molecule[simnfo->n_mol];
259 >          dAtom->setUnitFrameFromEuler(phi, theta, psi);
260 >            
261 >        }
262 >        else{
263  
264 +          molInfo.myAtoms[j] = new Atom((j + atomOffset), info[k].getConfiguration());
265 +        }
266  
267 <  if( simnfo->n_SRI ){
310 <    the_sris = new SRI*[simnfo->n_SRI];
311 <    the_excludes = new int[2 * simnfo->n_SRI];
312 <    simnfo->globalExcludes = new int;
313 <    simnfo->n_exclude = tot_SRI;
314 <  }
315 <  else{
316 <    
317 <    the_excludes = new int[2];
318 <    the_excludes[0] = 0;
319 <    the_excludes[1] = 0;
320 <    simnfo->globalExcludes = new int;
321 <    simnfo->globalExcludes[0] = 0;
267 >        molInfo.myAtoms[j]->setType(currentAtom->getType());
268  
269 <    simnfo->n_exclude = 1;
324 <  }
269 > #ifdef IS_MPI
270  
271 <  // set the arrays into the SimInfo object
271 >        molInfo.myAtoms[j]->setGlobalIndex(globalAtomIndex[j + atomOffset]);
272  
273 <  simnfo->atoms = the_atoms;
274 <  simnfo->sr_interactions = the_sris;
330 <  simnfo->nGlobalExcludes = 0;
331 <  simnfo->excludes = the_excludes;
273 > #endif // is_mpi
274 >      }
275  
276 +      // make the bonds
277 +      for (j = 0; j < molInfo.nBonds; j++){
278 +        currentBond = comp_stamps[stampID]->getBond(j);
279 +        theBonds[j].a = currentBond->getA() + atomOffset;
280 +        theBonds[j].b = currentBond->getB() + atomOffset;
281  
282 <  // get some of the tricky things that may still be in the globals
282 >        tempI = theBonds[j].a;
283 >        tempJ = theBonds[j].b;
284  
336  
337  if( the_globals->haveBox() ){
338    simnfo->box_x = the_globals->getBox();
339    simnfo->box_y = the_globals->getBox();
340    simnfo->box_z = the_globals->getBox();
341  }
342  else if( the_globals->haveDensity() ){
343
344    double vol;
345    vol = (double)tot_nmol / the_globals->getDensity();
346    simnfo->box_x = pow( vol, ( 1.0 / 3.0 ) );
347    simnfo->box_y = simnfo->box_x;
348    simnfo->box_z = simnfo->box_x;
349  }
350  else{
351    if( !the_globals->haveBoxX() ){
352      sprintf( painCave.errMsg,
353               "SimSetup error, no periodic BoxX size given.\n" );
354      painCave.isFatal = 1;
355      simError();
356    }
357    simnfo->box_x = the_globals->getBoxX();
358
359    if( !the_globals->haveBoxY() ){
360      sprintf( painCave.errMsg,
361               "SimSetup error, no periodic BoxY size given.\n" );
362      painCave.isFatal = 1;
363      simError();
364    }
365    simnfo->box_y = the_globals->getBoxY();
366
367    if( !the_globals->haveBoxZ() ){
368      sprintf( painCave.errMsg,
369               "SimSetup error, no periodic BoxZ size given.\n" );
370      painCave.isFatal = 1;
371      simError();
372    }
373    simnfo->box_z = the_globals->getBoxZ();
374  }
375
285   #ifdef IS_MPI
286 <  strcpy( checkPointMsg, "Box size set up" );
287 <  MPIcheckPoint();
288 < #endif // is_mpi
286 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
287 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
288 > #else
289 >        exI = tempI + 1;
290 >        exJ = tempJ + 1;
291 > #endif
292  
293 +        info[k].excludes->addPair(exI, exJ);
294 +      }
295  
296 <  // initialize the arrays
296 >      //make the bends
297 >      for (j = 0; j < molInfo.nBends; j++){
298 >        currentBend = comp_stamps[stampID]->getBend(j);
299 >        theBends[j].a = currentBend->getA() + atomOffset;
300 >        theBends[j].b = currentBend->getB() + atomOffset;
301 >        theBends[j].c = currentBend->getC() + atomOffset;
302  
303 <  the_ff->setSimInfo( simnfo );
303 >        if (currentBend->haveExtras()){
304 >          extras = currentBend->getExtras();
305 >          current_extra = extras;
306  
307 <  makeAtoms();
308 <  simnfo->identArray = new int[simnfo->n_atoms];
309 <  for(i=0; i<simnfo->n_atoms; i++){
310 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
311 <  }
312 <  
313 <  if( tot_bonds ){
393 <    makeBonds();
394 <  }
307 >          while (current_extra != NULL){
308 >            if (!strcmp(current_extra->getlhs(), "ghostVectorSource")){
309 >              switch (current_extra->getType()){
310 >                case 0:
311 >                  theBends[j].ghost = current_extra->getInt() + atomOffset;
312 >                  theBends[j].isGhost = 1;
313 >                  break;
314  
315 <  if( tot_bends ){
316 <    makeBends();
317 <  }
315 >                case 1:
316 >                  theBends[j].ghost = (int) current_extra->getDouble() +
317 >                                      atomOffset;
318 >                  theBends[j].isGhost = 1;
319 >                  break;
320  
321 <  if( tot_torsions ){
322 <    makeTorsions();
323 <  }
321 >                default:
322 >                  sprintf(painCave.errMsg,
323 >                          "SimSetup Error: ghostVectorSource was neither a "
324 >                          "double nor an int.\n"
325 >                          "-->Bend[%d] in %s\n",
326 >                          j, comp_stamps[stampID]->getID());
327 >                  painCave.isFatal = 1;
328 >                  simError();
329 >              }
330 >            }
331 >            else{
332 >              sprintf(painCave.errMsg,
333 >                      "SimSetup Error: unhandled bend assignment:\n"
334 >                      "    -->%s in Bend[%d] in %s\n",
335 >                      current_extra->getlhs(), j, comp_stamps[stampID]->getID());
336 >              painCave.isFatal = 1;
337 >              simError();
338 >            }
339  
340 +            current_extra = current_extra->getNext();
341 +          }
342 +        }
343  
344 <  if (the_globals->getUseRF() ) {
345 <    simnfo->useReactionField = 1;
346 <  
347 <    if( !the_globals->haveECR() ){
348 <      sprintf( painCave.errMsg,
349 <               "SimSetup Warning: using default value of 1/2 the smallest "
350 <               "box length for the electrostaticCutoffRadius.\n"
351 <               "I hope you have a very fast processor!\n");
352 <      painCave.isFatal = 0;
353 <      simError();
354 <      double smallest;
355 <      smallest = simnfo->box_x;
356 <      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
418 <      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
419 <      simnfo->ecr = 0.5 * smallest;
420 <    } else {
421 <      simnfo->ecr        = the_globals->getECR();
422 <    }
344 >        if (theBends[j].isGhost) {
345 >          
346 >          tempI = theBends[j].a;
347 >          tempJ = theBends[j].b;
348 >          
349 > #ifdef IS_MPI
350 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
351 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
352 > #else
353 >          exI = tempI + 1;
354 >          exJ = tempJ + 1;
355 > #endif          
356 >          info[k].excludes->addPair(exI, exJ);
357  
358 <    if( !the_globals->haveEST() ){
425 <      sprintf( painCave.errMsg,
426 <               "SimSetup Warning: using default value of 0.05 * the "
427 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
428 <               );
429 <      painCave.isFatal = 0;
430 <      simError();
431 <      simnfo->est = 0.05 * simnfo->ecr;
432 <    } else {
433 <      simnfo->est        = the_globals->getEST();
434 <    }
435 <    
436 <    if(!the_globals->haveDielectric() ){
437 <      sprintf( painCave.errMsg,
438 <               "SimSetup Error: You are trying to use Reaction Field without"
439 <               "setting a dielectric constant!\n"
440 <               );
441 <      painCave.isFatal = 1;
442 <      simError();
443 <    }
444 <    simnfo->dielectric = the_globals->getDielectric();  
445 <  } else {
446 <    if (simnfo->n_dipoles) {
447 <      
448 <      if( !the_globals->haveECR() ){
449 <        sprintf( painCave.errMsg,
450 <                 "SimSetup Warning: using default value of 1/2 the smallest"
451 <                 "box length for the electrostaticCutoffRadius.\n"
452 <                 "I hope you have a very fast processor!\n");
453 <        painCave.isFatal = 0;
454 <        simError();
455 <        double smallest;
456 <        smallest = simnfo->box_x;
457 <        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
458 <        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
459 <        simnfo->ecr = 0.5 * smallest;
460 <      } else {
461 <        simnfo->ecr        = the_globals->getECR();
462 <      }
463 <      
464 <      if( !the_globals->haveEST() ){
465 <        sprintf( painCave.errMsg,
466 <                 "SimSetup Warning: using default value of 5% of the"
467 <                 "electrostaticCutoffRadius for the "
468 <                 "electrostaticSkinThickness\n"
469 <                 );
470 <        painCave.isFatal = 0;
471 <        simError();
472 <        simnfo->est = 0.05 * simnfo->ecr;
473 <      } else {
474 <        simnfo->est        = the_globals->getEST();
475 <      }
476 <    }
477 <  }  
358 >        } else {
359  
360 +          tempI = theBends[j].a;
361 +          tempJ = theBends[j].b;
362 +          tempK = theBends[j].c;
363 +          
364   #ifdef IS_MPI
365 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
366 <  MPIcheckPoint();
367 < #endif // is_mpi
365 >          exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
366 >          exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
367 >          exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
368 > #else
369 >          exI = tempI + 1;
370 >          exJ = tempJ + 1;
371 >          exK = tempK + 1;
372 > #endif
373 >          
374 >          info[k].excludes->addPair(exI, exK);
375 >          info[k].excludes->addPair(exI, exJ);
376 >          info[k].excludes->addPair(exJ, exK);
377 >        }
378 >      }
379  
380 < if( the_globals->haveInitialConfig() ){
381 <
382 <     InitializeFromFile* fileInit;
383 < #ifdef IS_MPI // is_mpi
384 <     if( worldRank == 0 ){
385 < #endif //is_mpi
386 <   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
380 >      for (j = 0; j < molInfo.nTorsions; j++){
381 >        currentTorsion = comp_stamps[stampID]->getTorsion(j);
382 >        theTorsions[j].a = currentTorsion->getA() + atomOffset;
383 >        theTorsions[j].b = currentTorsion->getB() + atomOffset;
384 >        theTorsions[j].c = currentTorsion->getC() + atomOffset;
385 >        theTorsions[j].d = currentTorsion->getD() + atomOffset;
386 >
387 >        tempI = theTorsions[j].a;      
388 >        tempJ = theTorsions[j].b;
389 >        tempK = theTorsions[j].c;
390 >        tempL = theTorsions[j].d;
391 >
392   #ifdef IS_MPI
393 <     }else fileInit = new InitializeFromFile( NULL );
393 >        exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
394 >        exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
395 >        exK = info[k].atoms[tempK]->getGlobalIndex() + 1;
396 >        exL = info[k].atoms[tempL]->getGlobalIndex() + 1;
397 > #else
398 >        exI = tempI + 1;
399 >        exJ = tempJ + 1;
400 >        exK = tempK + 1;
401 >        exL = tempL + 1;
402   #endif
494   fileInit->read_xyz( simnfo ); // default velocities on
403  
404 <   delete fileInit;
405 < }
406 < else{
404 >        info[k].excludes->addPair(exI, exJ);
405 >        info[k].excludes->addPair(exI, exK);
406 >        info[k].excludes->addPair(exI, exL);        
407 >        info[k].excludes->addPair(exJ, exK);
408 >        info[k].excludes->addPair(exJ, exL);
409 >        info[k].excludes->addPair(exK, exL);
410 >      }
411  
412 < #ifdef IS_MPI
412 >      for (j = 0; j < molInfo.nRigidBodies; j++){
413  
414 <  // no init from bass
415 <  
504 <  sprintf( painCave.errMsg,
505 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
506 <  painCave.isFatal;
507 <  simError();
508 <  
509 < #else
414 >        currentRigidBody = comp_stamps[stampID]->getRigidBody(j);
415 >        nMembers = currentRigidBody->getNMembers();
416  
417 <  initFromBass();
417 >        // Create the Rigid Body:
418  
419 +        myRB = new RigidBody();
420  
421 +        sprintf(rbName,"%s_RB_%s", molName, j);
422 +        myRB->setType(rbName);
423 +        
424 +        for (rb1 = 0; rb1 < nMembers; rb1++) {
425 +
426 +          // molI is atom numbering inside this molecule
427 +          molI = currentRigidBody->getMember(rb1);    
428 +
429 +          // tempI is atom numbering on local processor
430 +          tempI = molI + atomOffset;
431 +
432 +          // currentAtom is the AtomStamp (which we need for
433 +          // rigid body reference positions)
434 +          currentAtom = comp_stamps[stampID]->getAtom(molI);
435 +
436 +          // When we add to the rigid body, add the atom itself and
437 +          // the stamp info:
438 +
439 +          myRB->addAtom(info[k].atoms[tempI], currentAtom);
440 +          
441 +          // Add this atom to the Skip List for the integrators
442 + #ifdef IS_MPI
443 +          slI = info[k].atoms[tempI]->getGlobalIndex();
444 + #else
445 +          slI = tempI;
446   #endif
447 < }
447 >          skipList.insert(slI);
448 >          
449 >        }
450 >        
451 >        for(rb1 = 0; rb1 < nMembers - 1; rb1++) {
452 >          for(rb2 = rb1+1; rb2 < nMembers; rb2++) {
453 >            
454 >            tempI = currentRigidBody->getMember(rb1);
455 >            tempJ = currentRigidBody->getMember(rb2);
456 >            
457 >            // Some explanation is required here.
458 >            // Fortran indexing starts at 1, while c indexing starts at 0
459 >            // Also, in parallel computations, the GlobalIndex is
460 >            // used for the exclude list:
461 >            
462 > #ifdef IS_MPI
463 >            exI = info[k].atoms[tempI]->getGlobalIndex() + 1;
464 >            exJ = info[k].atoms[tempJ]->getGlobalIndex() + 1;
465 > #else
466 >            exI = tempI + 1;
467 >            exJ = tempJ + 1;
468 > #endif
469 >            
470 >            info[k].excludes->addPair(exI, exJ);
471 >            
472 >          }
473 >        }
474  
475 +        molInfo.myRigidBodies.push_back(myRB);
476 +        info[k].rigidBodies.push_back(myRB);
477 +      }
478 +      
479 +
480 +      // After this is all set up, scan through the atoms to
481 +      // see if they can be added to the integrableObjects:
482 +
483 +      for (j = 0; j < molInfo.nAtoms; j++){
484 +
485   #ifdef IS_MPI
486 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
487 <  MPIcheckPoint();
488 < #endif // is_mpi
486 >        slJ = molInfo.myAtoms[j]->getGlobalIndex();
487 > #else
488 >        slJ = j+atomOffset;
489 > #endif
490  
491 +        // if they aren't on the skip list, then they can be integrated
492  
493 <  
494 <
495 <  
493 >        if (skipList.find(slJ) == skipList.end()) {
494 >          mySD = (StuntDouble *) molInfo.myAtoms[j];
495 >          info[k].integrableObjects.push_back(mySD);
496 >          molInfo.myIntegrableObjects.push_back(mySD);
497 >        }
498 >      }
499  
500 <  
500 >      // all rigid bodies are integrated:
501 >
502 >      for (j = 0; j < molInfo.nRigidBodies; j++) {
503 >        mySD = (StuntDouble *) molInfo.myRigidBodies[j];
504 >        info[k].integrableObjects.push_back(mySD);      
505 >        molInfo.myIntegrableObjects.push_back(mySD);
506 >      }
507 >    
508 >      
509 >      // send the arrays off to the forceField for init.
510 >      
511 >      the_ff->initializeAtoms(molInfo.nAtoms, molInfo.myAtoms);
512 >      the_ff->initializeBonds(molInfo.nBonds, molInfo.myBonds, theBonds);
513 >      the_ff->initializeBends(molInfo.nBends, molInfo.myBends, theBends);
514 >      the_ff->initializeTorsions(molInfo.nTorsions, molInfo.myTorsions,
515 >                                 theTorsions);
516 >
517 >      info[k].molecules[i].initialize(molInfo);
518 >
519 >
520 >      atomOffset += molInfo.nAtoms;
521 >      delete[] theBonds;
522 >      delete[] theBends;
523 >      delete[] theTorsions;
524 >    }    
525 >  }
526 >
527   #ifdef IS_MPI
528 <  if( worldRank == 0 ){
528 >  sprintf(checkPointMsg, "all molecules initialized succesfully");
529 >  MPIcheckPoint();
530   #endif // is_mpi
531    
532    if( the_globals->haveFinalConfig() ){
533      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
534    }
535    else{
536      strcpy( simnfo->finalName, inFileName );
537      char* endTest;
538      int nameLength = strlen( simnfo->finalName );
539      endTest = &(simnfo->finalName[nameLength - 5]);
540      if( !strcmp( endTest, ".bass" ) ){
541        strcpy( endTest, ".eor" );
542      }
543      else if( !strcmp( endTest, ".BASS" ) ){
544        strcpy( endTest, ".eor" );
545      }
546      else{
547        endTest = &(simnfo->finalName[nameLength - 4]);
548        if( !strcmp( endTest, ".bss" ) ){
549          strcpy( endTest, ".eor" );
550        }
551        else if( !strcmp( endTest, ".mdl" ) ){
552          strcpy( endTest, ".eor" );
553        }
554        else{
555          strcat( simnfo->finalName, ".eor" );
556        }
557      }
558    }
559    
560    // make the sample and status out names
561    
562    strcpy( simnfo->sampleName, inFileName );
563    char* endTest;
564    int nameLength = strlen( simnfo->sampleName );
565    endTest = &(simnfo->sampleName[nameLength - 5]);
566    if( !strcmp( endTest, ".bass" ) ){
567      strcpy( endTest, ".dump" );
568    }
569    else if( !strcmp( endTest, ".BASS" ) ){
570      strcpy( endTest, ".dump" );
571    }
572    else{
573      endTest = &(simnfo->sampleName[nameLength - 4]);
574      if( !strcmp( endTest, ".bss" ) ){
575        strcpy( endTest, ".dump" );
576      }
577      else if( !strcmp( endTest, ".mdl" ) ){
578        strcpy( endTest, ".dump" );
579      }
580      else{
581        strcat( simnfo->sampleName, ".dump" );
582      }
583    }
584    
585    strcpy( simnfo->statusName, inFileName );
586    nameLength = strlen( simnfo->statusName );
587    endTest = &(simnfo->statusName[nameLength - 5]);
588    if( !strcmp( endTest, ".bass" ) ){
589      strcpy( endTest, ".stat" );
590    }
591    else if( !strcmp( endTest, ".BASS" ) ){
592      strcpy( endTest, ".stat" );
593    }
594    else{
595      endTest = &(simnfo->statusName[nameLength - 4]);
596      if( !strcmp( endTest, ".bss" ) ){
597        strcpy( endTest, ".stat" );
598      }
599      else if( !strcmp( endTest, ".mdl" ) ){
600        strcpy( endTest, ".stat" );
601      }
602      else{
603        strcat( simnfo->statusName, ".stat" );
604      }
605    }
606    
607 #ifdef IS_MPI
608  }
609 #endif // is_mpi
610  
611  // set the status, sample, and themal kick times
612  
613  if( the_globals->haveSampleTime() ){
614    simnfo->sampleTime = the_globals->getSampleTime();
615    simnfo->statusTime = simnfo->sampleTime;
616    simnfo->thermalTime = simnfo->sampleTime;
617  }
618  else{
619    simnfo->sampleTime = the_globals->getRunTime();
620    simnfo->statusTime = simnfo->sampleTime;
621    simnfo->thermalTime = simnfo->sampleTime;
622  }
531  
532 <  if( the_globals->haveStatusTime() ){
625 <    simnfo->statusTime = the_globals->getStatusTime();
626 <  }
532 >  // clean up the forcefield
533  
534 <  if( the_globals->haveThermalTime() ){
629 <    simnfo->thermalTime = the_globals->getThermalTime();
630 <  }
534 >  if (!globals->haveLJrcut()){
535  
536 <  // check for the temperature set flag
536 >    the_ff->calcRcut();
537  
538 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
538 >  } else {
539 >    
540 >    the_ff->setRcut( globals->getLJrcut() );
541 >  }
542  
543 +  the_ff->cleanMe();
544 + }
545  
546 < //   // make the longe range forces and the integrator
546 > void SimSetup::initFromBass(void){
547 >  int i, j, k;
548 >  int n_cells;
549 >  double cellx, celly, cellz;
550 >  double temp1, temp2, temp3;
551 >  int n_per_extra;
552 >  int n_extra;
553 >  int have_extra, done;
554  
555 < //   new AllLong( simnfo );
555 >  double vel[3];
556 >  vel[0] = 0.0;
557 >  vel[1] = 0.0;
558 >  vel[2] = 0.0;
559  
560 <  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
561 <  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
562 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
644 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
560 >  temp1 = (double) tot_nmol / 4.0;
561 >  temp2 = pow(temp1, (1.0 / 3.0));
562 >  temp3 = ceil(temp2);
563  
564 +  have_extra = 0;
565 +  if (temp2 < temp3){
566 +    // we have a non-complete lattice
567 +    have_extra = 1;
568  
569 +    n_cells = (int) temp3 - 1;
570 +    cellx = info[0].boxL[0] / temp3;
571 +    celly = info[0].boxL[1] / temp3;
572 +    cellz = info[0].boxL[2] / temp3;
573 +    n_extra = tot_nmol - (4 * n_cells * n_cells * n_cells);
574 +    temp1 = ((double) n_extra) / (pow(temp3, 3.0) - pow(n_cells, 3.0));
575 +    n_per_extra = (int) ceil(temp1);
576  
577 <  // initialize the Fortran
578 <  
579 <  simnfo->refreshSim();
580 <  
581 <  if( !strcmp( simnfo->mixingRule, "standard") ){
582 <    the_ff->initForceField( LB_MIXING_RULE );
577 >    if (n_per_extra > 4){
578 >      sprintf(painCave.errMsg,
579 >              "SimSetup error. There has been an error in constructing"
580 >              " the non-complete lattice.\n");
581 >      painCave.isFatal = 1;
582 >      simError();
583 >    }
584    }
655  else if( !strcmp( simnfo->mixingRule, "explicit") ){
656    the_ff->initForceField( EXPLICIT_MIXING_RULE );
657  }
585    else{
586 <    sprintf( painCave.errMsg,
587 <             "SimSetup Error: unknown mixing rule -> \"%s\"\n",
588 <             simnfo->mixingRule );
589 <    painCave.isFatal = 1;
663 <    simError();
586 >    n_cells = (int) temp3;
587 >    cellx = info[0].boxL[0] / temp3;
588 >    celly = info[0].boxL[1] / temp3;
589 >    cellz = info[0].boxL[2] / temp3;
590    }
591  
592 +  current_mol = 0;
593 +  current_comp_mol = 0;
594 +  current_comp = 0;
595 +  current_atom_ndx = 0;
596  
597 < #ifdef IS_MPI
598 <  strcpy( checkPointMsg,
599 <          "Successfully intialized the mixingRule for Fortran." );
600 <  MPIcheckPoint();
671 < #endif // is_mpi
672 < }
597 >  for (i = 0; i < n_cells ; i++){
598 >    for (j = 0; j < n_cells; j++){
599 >      for (k = 0; k < n_cells; k++){
600 >        makeElement(i * cellx, j * celly, k * cellz);
601  
602 < void SimSetup::makeAtoms( void ){
602 >        makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly, k * cellz);
603  
604 <  int i, j, k, index;
677 <  double ux, uy, uz, uSqr, u;
678 <  AtomStamp* current_atom;
604 >        makeElement(i * cellx, j * celly + 0.5 * celly, k * cellz + 0.5 * cellz);
605  
606 <  DirectionalAtom* dAtom;
607 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
606 >        makeElement(i * cellx + 0.5 * cellx, j * celly, k * cellz + 0.5 * cellz);
607 >      }
608 >    }
609 >  }
610  
611 <  lMolIndex = 0;
612 <  molIndex = 0;
685 <  index = 0;
686 <  for( i=0; i<n_components; i++ ){
611 >  if (have_extra){
612 >    done = 0;
613  
614 <    for( j=0; j<components_nmol[i]; j++ ){
614 >    int start_ndx;
615 >    for (i = 0; i < (n_cells + 1) && !done; i++){
616 >      for (j = 0; j < (n_cells + 1) && !done; j++){
617 >        if (i < n_cells){
618 >          if (j < n_cells){
619 >            start_ndx = n_cells;
620 >          }
621 >          else
622 >            start_ndx = 0;
623 >        }
624 >        else
625 >          start_ndx = 0;
626  
627 < #ifdef IS_MPI
628 <      if( mpiSim->getMyMolStart() <= molIndex &&
629 <          molIndex <= mpiSim->getMyMolEnd() ){
693 < #endif // is_mpi        
627 >        for (k = start_ndx; k < (n_cells + 1) && !done; k++){
628 >          makeElement(i * cellx, j * celly, k * cellz);
629 >          done = (current_mol >= tot_nmol);
630  
631 <        molStart = index;
632 <        nMemb = comp_stamps[i]->getNAtoms();
633 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
634 <          
635 <          current_atom = comp_stamps[i]->getAtom( k );
700 <          if( current_atom->haveOrientation() ){
701 <            
702 <            dAtom = new DirectionalAtom(index);
703 <            simnfo->n_oriented++;
704 <            the_atoms[index] = dAtom;
705 <            
706 <            ux = current_atom->getOrntX();
707 <            uy = current_atom->getOrntY();
708 <            uz = current_atom->getOrntZ();
709 <            
710 <            uSqr = (ux * ux) + (uy * uy) + (uz * uz);
711 <            
712 <            u = sqrt( uSqr );
713 <            ux = ux / u;
714 <            uy = uy / u;
715 <            uz = uz / u;
716 <            
717 <            dAtom->setSUx( ux );
718 <            dAtom->setSUy( uy );
719 <            dAtom->setSUz( uz );
720 <          }
721 <          else{
722 <            the_atoms[index] = new GeneralAtom(index);
723 <          }
724 <          the_atoms[index]->setType( current_atom->getType() );
725 <          the_atoms[index]->setIndex( index );
726 <          
727 <          // increment the index and repeat;
728 <          index++;
729 <        }
730 <        
731 <        molEnd = index -1;
732 <        the_molecules[lMolIndex].setNMembers( nMemb );
733 <        the_molecules[lMolIndex].setStartAtom( molStart );
734 <        the_molecules[lMolIndex].setEndAtom( molEnd );
735 <        the_molecules[lMolIndex].setStampID( i );
736 <        lMolIndex++;
631 >          if (!done && n_per_extra > 1){
632 >            makeElement(i * cellx + 0.5 * cellx, j * celly + 0.5 * celly,
633 >                        k * cellz);
634 >            done = (current_mol >= tot_nmol);
635 >          }
636  
637 < #ifdef IS_MPI
637 >          if (!done && n_per_extra > 2){
638 >            makeElement(i * cellx, j * celly + 0.5 * celly,
639 >                        k * cellz + 0.5 * cellz);
640 >            done = (current_mol >= tot_nmol);
641 >          }
642 >
643 >          if (!done && n_per_extra > 3){
644 >            makeElement(i * cellx + 0.5 * cellx, j * celly,
645 >                        k * cellz + 0.5 * cellz);
646 >            done = (current_mol >= tot_nmol);
647 >          }
648 >        }
649        }
740 #endif //is_mpi
741      
742      molIndex++;
650      }
651    }
652  
653 < #ifdef IS_MPI
654 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
655 <    
749 <    delete[] globalIndex;
750 <
751 <    mpiSim->mpiRefresh();
752 < #endif //IS_MPI
753 <          
754 <  the_ff->initializeAtoms();
653 >  for (i = 0; i < info[0].n_atoms; i++){
654 >    info[0].atoms[i]->setVel(vel);
655 >  }
656   }
657  
658 < void SimSetup::makeBonds( void ){
658 > void SimSetup::makeElement(double x, double y, double z){
659 >  int k;
660 >  AtomStamp* current_atom;
661 >  DirectionalAtom* dAtom;
662 >  double rotMat[3][3];
663 >  double pos[3];
664  
665 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
666 <  bond_pair* the_bonds;
667 <  BondStamp* current_bond;
665 >  for (k = 0; k < comp_stamps[current_comp]->getNAtoms(); k++){
666 >    current_atom = comp_stamps[current_comp]->getAtom(k);
667 >    if (!current_atom->havePosition()){
668 >      sprintf(painCave.errMsg,
669 >              "SimSetup:initFromBass error.\n"
670 >              "\tComponent %s, atom %s does not have a position specified.\n"
671 >              "\tThe initialization routine is unable to give a start"
672 >              " position.\n",
673 >              comp_stamps[current_comp]->getID(), current_atom->getType());
674 >      painCave.isFatal = 1;
675 >      simError();
676 >    }
677  
678 <  the_bonds = new bond_pair[tot_bonds];
679 <  index = 0;
680 <  offset = 0;
766 <  molIndex = 0;
678 >    pos[0] = x + current_atom->getPosX();
679 >    pos[1] = y + current_atom->getPosY();
680 >    pos[2] = z + current_atom->getPosZ();
681  
682 <  for( i=0; i<n_components; i++ ){
682 >    info[0].atoms[current_atom_ndx]->setPos(pos);
683  
684 <    for( j=0; j<components_nmol[i]; j++ ){
684 >    if (info[0].atoms[current_atom_ndx]->isDirectional()){
685 >      dAtom = (DirectionalAtom *) info[0].atoms[current_atom_ndx];
686  
687 < #ifdef IS_MPI
688 <      if( mpiSim->getMyMolStart() <= molIndex &&
689 <          molIndex <= mpiSim->getMyMolEnd() ){
775 < #endif // is_mpi        
776 <        
777 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
778 <          
779 <          current_bond = comp_stamps[i]->getBond( k );
780 <          the_bonds[index].a = current_bond->getA() + offset;
781 <          the_bonds[index].b = current_bond->getB() + offset;
687 >      rotMat[0][0] = 1.0;
688 >      rotMat[0][1] = 0.0;
689 >      rotMat[0][2] = 0.0;
690  
691 <          exI = the_bonds[index].a;
692 <          exJ = the_bonds[index].b;
691 >      rotMat[1][0] = 0.0;
692 >      rotMat[1][1] = 1.0;
693 >      rotMat[1][2] = 0.0;
694  
695 <          // exclude_I must always be the smaller of the pair
696 <          if( exI > exJ ){
697 <            tempEx = exI;
789 <            exI = exJ;
790 <            exJ = tempEx;
791 <          }
695 >      rotMat[2][0] = 0.0;
696 >      rotMat[2][1] = 0.0;
697 >      rotMat[2][2] = 1.0;
698  
699 <          
700 < #ifdef IS_MPI
699 >      dAtom->setA(rotMat);
700 >    }
701  
702 <          the_excludes[index*2] =    
797 <            the_atoms[exI]->getGlobalIndex() + 1;
798 <          the_excludes[index*2 + 1] =
799 <            the_atoms[exJ]->getGlobalIndex() + 1;
800 <
801 < #else  // isn't MPI
802 <          
803 <          the_excludes[index*2] =     exI + 1;
804 <          the_excludes[index*2 + 1] = exJ + 1;
805 <          // fortran index from 1 (hence the +1 in the indexing)
806 < #endif  //is_mpi
807 <          
808 <          // increment the index and repeat;
809 <          index++;
810 <        }
811 <        offset += comp_stamps[i]->getNAtoms();
812 <        
813 < #ifdef IS_MPI
814 <      }
815 < #endif //is_mpi
816 <      
817 <      molIndex++;
818 <    }      
702 >    current_atom_ndx++;
703    }
704  
705 <  the_ff->initializeBonds( the_bonds );
705 >  current_mol++;
706 >  current_comp_mol++;
707 >
708 >  if (current_comp_mol >= components_nmol[current_comp]){
709 >    current_comp_mol = 0;
710 >    current_comp++;
711 >  }
712   }
713  
824 void SimSetup::makeBends( void ){
714  
715 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
716 <  bend_set* the_bends;
828 <  BendStamp* current_bend;
829 <  LinkedAssign* extras;
830 <  LinkedAssign* current_extra;
831 <  
715 > void SimSetup::gatherInfo(void){
716 >  int i;
717  
718 <  the_bends = new bend_set[tot_bends];
719 <  index = 0;
835 <  offset = 0;
836 <  molIndex = 0;
837 <  for( i=0; i<n_components; i++ ){
718 >  ensembleCase = -1;
719 >  ffCase = -1;
720  
721 <    for( j=0; j<components_nmol[i]; j++ ){
721 >  // set the easy ones first
722  
723 < #ifdef IS_MPI
724 <      if( mpiSim->getMyMolStart() <= molIndex &&
725 <          molIndex <= mpiSim->getMyMolEnd() ){
726 < #endif // is_mpi        
723 >  for (i = 0; i < nInfo; i++){
724 >    info[i].target_temp = globals->getTargetTemp();
725 >    info[i].dt = globals->getDt();
726 >    info[i].run_time = globals->getRunTime();
727 >  }
728 >  n_components = globals->getNComponents();
729  
846        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
847          
848          current_bend = comp_stamps[i]->getBend( k );
849          the_bends[index].a = current_bend->getA() + offset;
850          the_bends[index].b = current_bend->getB() + offset;
851          the_bends[index].c = current_bend->getC() + offset;
852          
853          if( current_bend->haveExtras() ){
854            
855            extras = current_bend->getExtras();
856            current_extra = extras;
857            
858            while( current_extra != NULL ){
859              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
860                
861                switch( current_extra->getType() ){
862                  
863                case 0:
864                  the_bends[index].ghost =
865                    current_extra->getInt() + offset;
866                  the_bends[index].isGhost = 1;
867                  break;
868                  
869                case 1:
870                  the_bends[index].ghost =
871                    (int)current_extra->getDouble() + offset;
872                  the_bends[index].isGhost = 1;
873                  break;
874                  
875                default:
876                  sprintf( painCave.errMsg,
877                           "SimSetup Error: ghostVectorSource was neiter a "
878                           "double nor an int.\n"
879                           "-->Bend[%d] in %s\n",
880                           k, comp_stamps[i]->getID() );
881                  painCave.isFatal = 1;
882                  simError();
883                }
884              }
885              
886              else{
887                
888                sprintf( painCave.errMsg,
889                         "SimSetup Error: unhandled bend assignment:\n"
890                         "    -->%s in Bend[%d] in %s\n",
891                         current_extra->getlhs(),
892                         k, comp_stamps[i]->getID() );
893                painCave.isFatal = 1;
894                simError();
895              }
896              
897              current_extra = current_extra->getNext();
898            }
899          }
900          
901          if( !the_bends[index].isGhost ){
902            
903            exI = the_bends[index].a;
904            exJ = the_bends[index].c;
905          }
906          else{
907            
908            exI = the_bends[index].a;
909            exJ = the_bends[index].b;
910          }
911          
912          // exclude_I must always be the smaller of the pair
913          if( exI > exJ ){
914            tempEx = exI;
915            exI = exJ;
916            exJ = tempEx;
917          }
730  
731 +  // get the forceField
732  
733 < #ifdef IS_MPI
733 >  strcpy(force_field, globals->getForceField());
734  
735 <          the_excludes[(index + tot_bonds)*2] =    
736 <            the_atoms[exI]->getGlobalIndex() + 1;
924 <          the_excludes[(index + tot_bonds)*2 + 1] =
925 <            the_atoms[exJ]->getGlobalIndex() + 1;
926 <          
927 < #else  // isn't MPI
928 <          
929 <          the_excludes[(index + tot_bonds)*2] =     exI + 1;
930 <          the_excludes[(index + tot_bonds)*2 + 1] = exJ + 1;
931 <          // fortran index from 1 (hence the +1 in the indexing)
932 < #endif  //is_mpi
933 <          
934 <          
935 <          // increment the index and repeat;
936 <          index++;
937 <        }
938 <        offset += comp_stamps[i]->getNAtoms();
939 <        
940 < #ifdef IS_MPI
941 <      }
942 < #endif //is_mpi
943 <
944 <      molIndex++;
945 <    }
735 >  if (!strcasecmp(force_field, "DUFF")){
736 >    ffCase = FF_DUFF;
737    }
738 +  else if (!strcasecmp(force_field, "LJ")){
739 +    ffCase = FF_LJ;
740 +  }
741 +  else if (!strcasecmp(force_field, "EAM")){
742 +    ffCase = FF_EAM;
743 +  }
744 +  else if (!strcasecmp(force_field, "WATER")){
745 +    ffCase = FF_H2O;
746 +  }
747 +  else{
748 +    sprintf(painCave.errMsg, "SimSetup Error. Unrecognized force field -> %s\n",
749 +            force_field);
750 +         painCave.isFatal = 1;
751 +         simError();
752 +  }
753  
754 < #ifdef IS_MPI
949 <  sprintf( checkPointMsg,
950 <           "Successfully created the bends list.\n" );
951 <  MPIcheckPoint();
952 < #endif // is_mpi
953 <  
754 >    // get the ensemble
755  
756 <  the_ff->initializeBends( the_bends );
956 < }
756 >  strcpy(ensemble, globals->getEnsemble());
757  
758 < void SimSetup::makeTorsions( void ){
758 >  if (!strcasecmp(ensemble, "NVE")){
759 >    ensembleCase = NVE_ENS;
760 >  }
761 >  else if (!strcasecmp(ensemble, "NVT")){
762 >    ensembleCase = NVT_ENS;
763 >  }
764 >  else if (!strcasecmp(ensemble, "NPTi") || !strcasecmp(ensemble, "NPT")){
765 >    ensembleCase = NPTi_ENS;
766 >  }
767 >  else if (!strcasecmp(ensemble, "NPTf")){
768 >    ensembleCase = NPTf_ENS;
769 >  }
770 >  else if (!strcasecmp(ensemble, "NPTxyz")){
771 >    ensembleCase = NPTxyz_ENS;
772 >  }
773 >  else{
774 >    sprintf(painCave.errMsg,
775 >            "SimSetup Warning. Unrecognized Ensemble -> %s \n"
776 >            "\treverting to NVE for this simulation.\n",
777 >            ensemble);
778 >         painCave.isFatal = 0;
779 >         simError();
780 >         strcpy(ensemble, "NVE");
781 >         ensembleCase = NVE_ENS;
782 >  }  
783  
784 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
785 <  torsion_set* the_torsions;
962 <  TorsionStamp* current_torsion;
784 >  for (i = 0; i < nInfo; i++){
785 >    strcpy(info[i].ensemble, ensemble);
786  
787 <  the_torsions = new torsion_set[tot_torsions];
965 <  index = 0;
966 <  offset = 0;
967 <  molIndex = 0;
968 <  for( i=0; i<n_components; i++ ){
787 >    // get the mixing rule
788  
789 <    for( j=0; j<components_nmol[i]; j++ ){
789 >    strcpy(info[i].mixingRule, globals->getMixingRule());
790 >    info[i].usePBC = globals->getPBC();
791 >  }
792  
793 < #ifdef IS_MPI
973 <      if( mpiSim->getMyMolStart() <= molIndex &&
974 <          molIndex <= mpiSim->getMyMolEnd() ){
975 < #endif // is_mpi        
793 >  // get the components and calculate the tot_nMol and indvidual n_mol
794  
795 <      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
795 >  the_components = globals->getComponents();
796 >  components_nmol = new int[n_components];
797  
979        current_torsion = comp_stamps[i]->getTorsion( k );
980        the_torsions[index].a = current_torsion->getA() + offset;
981        the_torsions[index].b = current_torsion->getB() + offset;
982        the_torsions[index].c = current_torsion->getC() + offset;
983        the_torsions[index].d = current_torsion->getD() + offset;
798  
799 <        exI = the_torsions[index].a;
800 <        exJ = the_torsions[index].d;
799 >  if (!globals->haveNMol()){
800 >    // we don't have the total number of molecules, so we assume it is
801 >    // given in each component
802  
803 <        
804 <        // exclude_I must always be the smaller of the pair
805 <        if( exI > exJ ){
806 <          tempEx = exI;
807 <          exI = exJ;
808 <          exJ = tempEx;
809 <        }
810 <
811 <
997 < #ifdef IS_MPI
998 <        
999 <        the_excludes[(index + tot_bonds + tot_bends)*2] =    
1000 <          the_atoms[exI]->getGlobalIndex() + 1;
1001 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] =
1002 <          the_atoms[exJ]->getGlobalIndex() + 1;
1003 <        
1004 < #else  // isn't MPI
1005 <        
1006 <        the_excludes[(index + tot_bonds + tot_bends)*2] =     exI + 1;
1007 <        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] = exJ + 1;
1008 <        // fortran indexes from 1 (hence the +1 in the indexing)
1009 < #endif  //is_mpi
1010 <        
1011 <
1012 <        // increment the index and repeat;
1013 <        index++;
803 >    tot_nmol = 0;
804 >    for (i = 0; i < n_components; i++){
805 >      if (!the_components[i]->haveNMol()){
806 >        // we have a problem
807 >        sprintf(painCave.errMsg,
808 >                "SimSetup Error. No global NMol or component NMol given.\n"
809 >                "\tCannot calculate the number of atoms.\n");
810 >        painCave.isFatal = 1;
811 >        simError();
812        }
1015      offset += comp_stamps[i]->getNAtoms();
813  
814 < #ifdef IS_MPI
815 <      }
1019 < #endif //is_mpi      
1020 <
1021 <      molIndex++;
814 >      tot_nmol += the_components[i]->getNMol();
815 >      components_nmol[i] = the_components[i]->getNMol();
816      }
817    }
818 +  else{
819 +    sprintf(painCave.errMsg,
820 +            "SimSetup error.\n"
821 +            "\tSorry, the ability to specify total"
822 +            " nMols and then give molfractions in the components\n"
823 +            "\tis not currently supported."
824 +            " Please give nMol in the components.\n");
825 +    painCave.isFatal = 1;
826 +    simError();
827 +  }
828  
829 <  the_ff->initializeTorsions( the_torsions );
830 < }
829 >  //check whether sample time, status time, thermal time and reset time are divisble by dt
830 >  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
831 >    sprintf(painCave.errMsg,
832 >            "Sample time is not divisible by dt.\n"
833 >            "\tThis will result in samples that are not uniformly\n"
834 >            "\tdistributed in time.  If this is a problem, change\n"
835 >            "\tyour sampleTime variable.\n");
836 >    painCave.isFatal = 0;
837 >    simError();    
838 >  }
839  
840 < void SimSetup::initFromBass( void ){
840 >  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
841 >    sprintf(painCave.errMsg,
842 >            "Status time is not divisible by dt.\n"
843 >            "\tThis will result in status reports that are not uniformly\n"
844 >            "\tdistributed in time.  If this is a problem, change \n"
845 >            "\tyour statusTime variable.\n");
846 >    painCave.isFatal = 0;
847 >    simError();    
848 >  }
849  
850 <  int i, j, k;
851 <  int n_cells;
852 <  double cellx, celly, cellz;
853 <  double temp1, temp2, temp3;
854 <  int n_per_extra;
855 <  int n_extra;
856 <  int have_extra, done;
850 >  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
851 >    sprintf(painCave.errMsg,
852 >            "Thermal time is not divisible by dt.\n"
853 >            "\tThis will result in thermalizations that are not uniformly\n"
854 >            "\tdistributed in time.  If this is a problem, change \n"
855 >            "\tyour thermalTime variable.\n");
856 >    painCave.isFatal = 0;
857 >    simError();    
858 >  }  
859  
860 <  temp1 = (double)tot_nmol / 4.0;
861 <  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
862 <  temp3 = ceil( temp2 );
860 >  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
861 >    sprintf(painCave.errMsg,
862 >            "Reset time is not divisible by dt.\n"
863 >            "\tThis will result in integrator resets that are not uniformly\n"
864 >            "\tdistributed in time.  If this is a problem, change\n"
865 >            "\tyour resetTime variable.\n");
866 >    painCave.isFatal = 0;
867 >    simError();    
868 >  }
869  
870 <  have_extra =0;
1043 <  if( temp2 < temp3 ){ // we have a non-complete lattice
1044 <    have_extra =1;
870 >  // set the status, sample, and thermal kick times
871  
872 <    n_cells = (int)temp3 - 1;
873 <    cellx = simnfo->box_x / temp3;
874 <    celly = simnfo->box_y / temp3;
875 <    cellz = simnfo->box_z / temp3;
876 <    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
877 <    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
878 <    n_per_extra = (int)ceil( temp1 );
872 >  for (i = 0; i < nInfo; i++){
873 >    if (globals->haveSampleTime()){
874 >      info[i].sampleTime = globals->getSampleTime();
875 >      info[i].statusTime = info[i].sampleTime;
876 >      info[i].thermalTime = info[i].sampleTime;
877 >    }
878 >    else{
879 >      info[i].sampleTime = globals->getRunTime();
880 >      info[i].statusTime = info[i].sampleTime;
881 >      info[i].thermalTime = info[i].sampleTime;
882 >    }
883  
884 <    if( n_per_extra > 4){
885 <      sprintf( painCave.errMsg,
1056 <               "SimSetup error. There has been an error in constructing"
1057 <               " the non-complete lattice.\n" );
1058 <      painCave.isFatal = 1;
1059 <      simError();
884 >    if (globals->haveStatusTime()){
885 >      info[i].statusTime = globals->getStatusTime();
886      }
1061  }
1062  else{
1063    n_cells = (int)temp3;
1064    cellx = simnfo->box_x / temp3;
1065    celly = simnfo->box_y / temp3;
1066    cellz = simnfo->box_z / temp3;
1067  }
887  
888 <  current_mol = 0;
889 <  current_comp_mol = 0;
890 <  current_comp = 0;
1072 <  current_atom_ndx = 0;
888 >    if (globals->haveThermalTime()){
889 >      info[i].thermalTime = globals->getThermalTime();
890 >    }
891  
892 <  for( i=0; i < n_cells ; i++ ){
893 <    for( j=0; j < n_cells; j++ ){
894 <      for( k=0; k < n_cells; k++ ){
892 >    info[i].resetIntegrator = 0;
893 >    if( globals->haveResetTime() ){
894 >      info[i].resetTime = globals->getResetTime();
895 >      info[i].resetIntegrator = 1;
896 >    }
897  
898 <        makeElement( i * cellx,
899 <                     j * celly,
900 <                     k * cellz );
898 >    // check for the temperature set flag
899 >    
900 >    if (globals->haveTempSet())
901 >      info[i].setTemp = globals->getTempSet();
902  
903 <        makeElement( i * cellx + 0.5 * cellx,
1083 <                     j * celly + 0.5 * celly,
1084 <                     k * cellz );
903 >    // check for the extended State init
904  
905 <        makeElement( i * cellx,
906 <                     j * celly + 0.5 * celly,
907 <                     k * cellz + 0.5 * cellz );
905 >    info[i].useInitXSstate = globals->getUseInitXSstate();
906 >    info[i].orthoTolerance = globals->getOrthoBoxTolerance();
907 >    
908 >  }
909 >  
910 >  //setup seed for random number generator
911 >  int seedValue;
912  
913 <        makeElement( i * cellx + 0.5 * cellx,
914 <                     j * celly,
915 <                     k * cellz + 0.5 * cellz );
913 >  if (globals->haveSeed()){
914 >    seedValue = globals->getSeed();
915 >
916 >    if(seedValue / 1E9 == 0){
917 >      sprintf(painCave.errMsg,
918 >              "Seed for sprng library should contain at least 9 digits\n"
919 >              "OOPSE will generate a seed for user\n");
920 >      painCave.isFatal = 0;
921 >      simError();
922 >
923 >      //using seed generated by system instead of invalid seed set by user
924 > #ifndef IS_MPI
925 >      seedValue = make_sprng_seed();
926 > #else
927 >      if (worldRank == 0){
928 >        seedValue = make_sprng_seed();
929        }
930 +      MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
931 + #endif      
932      }
933 +  }//end of if branch of globals->haveSeed()
934 +  else{
935 +    
936 + #ifndef IS_MPI
937 +    seedValue = make_sprng_seed();
938 + #else
939 +    if (worldRank == 0){
940 +      seedValue = make_sprng_seed();
941 +    }
942 +    MPI_Bcast(&seedValue, 1, MPI_INT, 0, MPI_COMM_WORLD);  
943 + #endif
944 +  }//end of globals->haveSeed()
945 +
946 +  for (int i = 0; i < nInfo; i++){
947 +    info[i].setSeed(seedValue);
948    }
949 +  
950 + #ifdef IS_MPI
951 +  strcpy(checkPointMsg, "Successfully gathered all information from Bass\n");
952 +  MPIcheckPoint();
953 + #endif // is_mpi
954 + }
955  
1097  if( have_extra ){
1098    done = 0;
956  
957 <    int start_ndx;
958 <    for( i=0; i < (n_cells+1) && !done; i++ ){
959 <      for( j=0; j < (n_cells+1) && !done; j++ ){
957 > void SimSetup::finalInfoCheck(void){
958 >  int index;
959 >  int usesDipoles;
960 >  int i;
961  
962 <        if( i < n_cells ){
962 >  for (i = 0; i < nInfo; i++){
963 >    // check electrostatic parameters
964  
965 <          if( j < n_cells ){
966 <            start_ndx = n_cells;
967 <          }
968 <          else start_ndx = 0;
969 <        }
970 <        else start_ndx = 0;
965 >    index = 0;
966 >    usesDipoles = 0;
967 >    while ((index < info[i].n_atoms) && !usesDipoles){
968 >      usesDipoles = (info[i].atoms[index])->hasDipole();
969 >      index++;
970 >    }
971  
972 <        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
972 > #ifdef IS_MPI
973 >    int myUse = usesDipoles;
974 >    MPI_Allreduce(&myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
975 > #endif //is_mpi
976  
977 <          makeElement( i * cellx,
1116 <                       j * celly,
1117 <                       k * cellz );
1118 <          done = ( current_mol >= tot_nmol );
977 >    double theEcr, theEst;
978  
979 <          if( !done && n_per_extra > 1 ){
980 <            makeElement( i * cellx + 0.5 * cellx,
1122 <                         j * celly + 0.5 * celly,
1123 <                         k * cellz );
1124 <            done = ( current_mol >= tot_nmol );
1125 <          }
979 >    if (globals->getUseRF()){
980 >      info[i].useReactionField = 1;
981  
982 <          if( !done && n_per_extra > 2){
983 <            makeElement( i * cellx,
984 <                         j * celly + 0.5 * celly,
985 <                         k * cellz + 0.5 * cellz );
986 <            done = ( current_mol >= tot_nmol );
987 <          }
982 >      if (!globals->haveECR()){
983 >        sprintf(painCave.errMsg,
984 >                "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
985 >                "\tOOPSE will use a default value of 15.0 angstroms"
986 >                "\tfor the electrostaticCutoffRadius.\n");
987 >        painCave.isFatal = 0;
988 >        simError();
989 >        theEcr = 15.0;
990 >      }
991 >      else{
992 >        theEcr = globals->getECR();
993 >      }
994  
995 <          if( !done && n_per_extra > 3){
996 <            makeElement( i * cellx + 0.5 * cellx,
997 <                         j * celly,
998 <                         k * cellz + 0.5 * cellz );
999 <            done = ( current_mol >= tot_nmol );
1000 <          }
1001 <        }
995 >      if (!globals->haveEST()){
996 >        sprintf(painCave.errMsg,
997 >                "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
998 >                "\tOOPSE will use a default value of\n"
999 >                "\t0.05 * electrostaticCutoffRadius\n"
1000 >                "\tfor the electrostaticSkinThickness\n");
1001 >        painCave.isFatal = 0;
1002 >        simError();
1003 >        theEst = 0.05 * theEcr;
1004        }
1005 <    }
1006 <  }
1005 >      else{
1006 >        theEst = globals->getEST();
1007 >      }
1008  
1009 +      info[i].setDefaultEcr(theEcr, theEst);
1010  
1011 <  for( i=0; i<simnfo->n_atoms; i++ ){
1012 <    simnfo->atoms[i]->set_vx( 0.0 );
1013 <    simnfo->atoms[i]->set_vy( 0.0 );
1014 <    simnfo->atoms[i]->set_vz( 0.0 );
1011 >      if (!globals->haveDielectric()){
1012 >        sprintf(painCave.errMsg,
1013 >                "SimSetup Error: No Dielectric constant was set.\n"
1014 >                "\tYou are trying to use Reaction Field without"
1015 >                "\tsetting a dielectric constant!\n");
1016 >        painCave.isFatal = 1;
1017 >        simError();
1018 >      }
1019 >      info[i].dielectric = globals->getDielectric();
1020 >    }
1021 >    else{
1022 >      if (usesDipoles){
1023 >        if (!globals->haveECR()){
1024 >          sprintf(painCave.errMsg,
1025 >                  "SimSetup Warning: No value was set for electrostaticCutoffRadius.\n"
1026 >                  "\tOOPSE will use a default value of 15.0 angstroms"
1027 >                  "\tfor the electrostaticCutoffRadius.\n");
1028 >          painCave.isFatal = 0;
1029 >          simError();
1030 >          theEcr = 15.0;
1031 >        }
1032 >        else{
1033 >          theEcr = globals->getECR();
1034 >        }
1035 >        
1036 >        if (!globals->haveEST()){
1037 >          sprintf(painCave.errMsg,
1038 >                  "SimSetup Warning: No value was set for electrostaticSkinThickness.\n"
1039 >                  "\tOOPSE will use a default value of\n"
1040 >                  "\t0.05 * electrostaticCutoffRadius\n"
1041 >                  "\tfor the electrostaticSkinThickness\n");
1042 >          painCave.isFatal = 0;
1043 >          simError();
1044 >          theEst = 0.05 * theEcr;
1045 >        }
1046 >        else{
1047 >          theEst = globals->getEST();
1048 >        }
1049 >        
1050 >        info[i].setDefaultEcr(theEcr, theEst);
1051 >      }
1052 >    }
1053    }
1054 + #ifdef IS_MPI
1055 +  strcpy(checkPointMsg, "post processing checks out");
1056 +  MPIcheckPoint();
1057 + #endif // is_mpi
1058   }
1059 +  
1060 + void SimSetup::initSystemCoords(void){
1061 +  int i;
1062  
1063 < void SimSetup::makeElement( double x, double y, double z ){
1063 >  char* inName;
1064  
1065 <  int k;
1156 <  AtomStamp* current_atom;
1157 <  DirectionalAtom* dAtom;
1158 <  double rotMat[3][3];
1065 >  (info[0].getConfiguration())->createArrays(info[0].n_atoms);
1066  
1067 <  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1067 >  for (i = 0; i < info[0].n_atoms; i++)
1068 >    info[0].atoms[i]->setCoords();
1069  
1070 <    current_atom = comp_stamps[current_comp]->getAtom( k );
1071 <    if( !current_atom->havePosition() ){
1072 <      sprintf( painCave.errMsg,
1073 <               "SimSetup:initFromBass error.\n"
1074 <               "\tComponent %s, atom %s does not have a position specified.\n"
1075 <               "\tThe initialization routine is unable to give a start"
1076 <               " position.\n",
1077 <               comp_stamps[current_comp]->getID(),
1170 <               current_atom->getType() );
1171 <      painCave.isFatal = 1;
1172 <      simError();
1070 >  if (globals->haveInitialConfig()){
1071 >    InitializeFromFile* fileInit;
1072 > #ifdef IS_MPI // is_mpi
1073 >    if (worldRank == 0){
1074 > #endif //is_mpi
1075 >      inName = globals->getInitialConfig();
1076 >      fileInit = new InitializeFromFile(inName);
1077 > #ifdef IS_MPI
1078      }
1079 +    else
1080 +      fileInit = new InitializeFromFile(NULL);
1081 + #endif
1082 +    fileInit->readInit(info); // default velocities on
1083  
1084 <    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1085 <    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1086 <    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1084 >    delete fileInit;
1085 >  }
1086 >  else{
1087 >    
1088 >    // no init from bass
1089 >    
1090 >    sprintf(painCave.errMsg,
1091 >            "Cannot intialize a simulation without an initial configuration file.\n");
1092 >    painCave.isFatal = 1;;
1093 >    simError();
1094 >    
1095 >  }
1096  
1097 <    if( the_atoms[current_atom_ndx]->isDirectional() ){
1097 > #ifdef IS_MPI
1098 >  strcpy(checkPointMsg, "Successfully read in the initial configuration");
1099 >  MPIcheckPoint();
1100 > #endif // is_mpi
1101 > }
1102  
1181      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1103  
1104 <      rotMat[0][0] = 1.0;
1105 <      rotMat[0][1] = 0.0;
1185 <      rotMat[0][2] = 0.0;
1104 > void SimSetup::makeOutNames(void){
1105 >  int k;
1106  
1187      rotMat[1][0] = 0.0;
1188      rotMat[1][1] = 1.0;
1189      rotMat[1][2] = 0.0;
1107  
1108 <      rotMat[2][0] = 0.0;
1109 <      rotMat[2][1] = 0.0;
1110 <      rotMat[2][2] = 1.0;
1108 >  for (k = 0; k < nInfo; k++){
1109 > #ifdef IS_MPI
1110 >    if (worldRank == 0){
1111 > #endif // is_mpi
1112  
1113 <      dAtom->setA( rotMat );
1113 >      if (globals->haveFinalConfig()){
1114 >        strcpy(info[k].finalName, globals->getFinalConfig());
1115 >      }
1116 >      else{
1117 >        strcpy(info[k].finalName, inFileName);
1118 >        char* endTest;
1119 >        int nameLength = strlen(info[k].finalName);
1120 >        endTest = &(info[k].finalName[nameLength - 5]);
1121 >        if (!strcmp(endTest, ".bass")){
1122 >          strcpy(endTest, ".eor");
1123 >        }
1124 >        else if (!strcmp(endTest, ".BASS")){
1125 >          strcpy(endTest, ".eor");
1126 >        }
1127 >        else{
1128 >          endTest = &(info[k].finalName[nameLength - 4]);
1129 >          if (!strcmp(endTest, ".bss")){
1130 >            strcpy(endTest, ".eor");
1131 >          }
1132 >          else if (!strcmp(endTest, ".mdl")){
1133 >            strcpy(endTest, ".eor");
1134 >          }
1135 >          else{
1136 >            strcat(info[k].finalName, ".eor");
1137 >          }
1138 >        }
1139 >      }
1140 >
1141 >      // make the sample and status out names
1142 >
1143 >      strcpy(info[k].sampleName, inFileName);
1144 >      char* endTest;
1145 >      int nameLength = strlen(info[k].sampleName);
1146 >      endTest = &(info[k].sampleName[nameLength - 5]);
1147 >      if (!strcmp(endTest, ".bass")){
1148 >        strcpy(endTest, ".dump");
1149 >      }
1150 >      else if (!strcmp(endTest, ".BASS")){
1151 >        strcpy(endTest, ".dump");
1152 >      }
1153 >      else{
1154 >        endTest = &(info[k].sampleName[nameLength - 4]);
1155 >        if (!strcmp(endTest, ".bss")){
1156 >          strcpy(endTest, ".dump");
1157 >        }
1158 >        else if (!strcmp(endTest, ".mdl")){
1159 >          strcpy(endTest, ".dump");
1160 >        }
1161 >        else{
1162 >          strcat(info[k].sampleName, ".dump");
1163 >        }
1164 >      }
1165 >
1166 >      strcpy(info[k].statusName, inFileName);
1167 >      nameLength = strlen(info[k].statusName);
1168 >      endTest = &(info[k].statusName[nameLength - 5]);
1169 >      if (!strcmp(endTest, ".bass")){
1170 >        strcpy(endTest, ".stat");
1171 >      }
1172 >      else if (!strcmp(endTest, ".BASS")){
1173 >        strcpy(endTest, ".stat");
1174 >      }
1175 >      else{
1176 >        endTest = &(info[k].statusName[nameLength - 4]);
1177 >        if (!strcmp(endTest, ".bss")){
1178 >          strcpy(endTest, ".stat");
1179 >        }
1180 >        else if (!strcmp(endTest, ".mdl")){
1181 >          strcpy(endTest, ".stat");
1182 >        }
1183 >        else{
1184 >          strcat(info[k].statusName, ".stat");
1185 >        }
1186 >      }
1187 >
1188 > #ifdef IS_MPI
1189 >
1190      }
1191 + #endif // is_mpi
1192 +  }
1193 + }
1194  
1195 <    current_atom_ndx++;
1195 >
1196 > void SimSetup::sysObjectsCreation(void){
1197 >  int i, k;
1198 >
1199 >  // create the forceField
1200 >
1201 >  createFF();
1202 >
1203 >  // extract componentList
1204 >
1205 >  compList();
1206 >
1207 >  // calc the number of atoms, bond, bends, and torsions
1208 >
1209 >  calcSysValues();
1210 >
1211 > #ifdef IS_MPI
1212 >  // divide the molecules among the processors
1213 >
1214 >  mpiMolDivide();
1215 > #endif //is_mpi
1216 >
1217 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1218 >
1219 >  makeSysArrays();
1220 >
1221 >  // make and initialize the molecules (all but atomic coordinates)
1222 >
1223 >  makeMolecules();
1224 >
1225 >  for (k = 0; k < nInfo; k++){
1226 >    info[k].identArray = new int[info[k].n_atoms];
1227 >    for (i = 0; i < info[k].n_atoms; i++){
1228 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1229 >    }
1230    }
1231 + }
1232  
1201  current_mol++;
1202  current_comp_mol++;
1233  
1234 <  if( current_comp_mol >= components_nmol[current_comp] ){
1234 > void SimSetup::createFF(void){
1235 >  switch (ffCase){
1236 >    case FF_DUFF:
1237 >      the_ff = new DUFF();
1238 >      break;
1239  
1240 <    current_comp_mol = 0;
1241 <    current_comp++;
1240 >    case FF_LJ:
1241 >      the_ff = new LJFF();
1242 >      break;
1243 >
1244 >    case FF_EAM:
1245 >      the_ff = new EAM_FF();
1246 >      break;
1247 >
1248 >    case FF_H2O:
1249 >      the_ff = new WATER();
1250 >      break;
1251 >
1252 >    default:
1253 >      sprintf(painCave.errMsg,
1254 >              "SimSetup Error. Unrecognized force field in case statement.\n");
1255 >      painCave.isFatal = 1;
1256 >      simError();
1257 >  }
1258 >
1259 > #ifdef IS_MPI
1260 >  strcpy(checkPointMsg, "ForceField creation successful");
1261 >  MPIcheckPoint();
1262 > #endif // is_mpi
1263 > }
1264 >
1265 >
1266 > void SimSetup::compList(void){
1267 >  int i;
1268 >  char* id;
1269 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1270 >  LinkedMolStamp* currentStamp = NULL;
1271 >  comp_stamps = new MoleculeStamp * [n_components];
1272 >
1273 >  // make an array of molecule stamps that match the components used.
1274 >  // also extract the used stamps out into a separate linked list
1275 >
1276 >  for (i = 0; i < nInfo; i++){
1277 >    info[i].nComponents = n_components;
1278 >    info[i].componentsNmol = components_nmol;
1279 >    info[i].compStamps = comp_stamps;
1280 >    info[i].headStamp = headStamp;
1281 >  }
1282 >
1283 >
1284 >  for (i = 0; i < n_components; i++){
1285 >    id = the_components[i]->getType();
1286 >    comp_stamps[i] = NULL;
1287 >
1288 >    // check to make sure the component isn't already in the list
1289 >
1290 >    comp_stamps[i] = headStamp->match(id);
1291 >    if (comp_stamps[i] == NULL){
1292 >      // extract the component from the list;
1293 >
1294 >      currentStamp = stamps->extractMolStamp(id);
1295 >      if (currentStamp == NULL){
1296 >        sprintf(painCave.errMsg,
1297 >                "SimSetup error: Component \"%s\" was not found in the "
1298 >                "list of declared molecules\n",
1299 >                id);
1300 >        painCave.isFatal = 1;
1301 >        simError();
1302 >      }
1303 >
1304 >      headStamp->add(currentStamp);
1305 >      comp_stamps[i] = headStamp->match(id);
1306 >    }
1307 >  }
1308 >
1309 > #ifdef IS_MPI
1310 >  strcpy(checkPointMsg, "Component stamps successfully extracted\n");
1311 >  MPIcheckPoint();
1312 > #endif // is_mpi
1313 > }
1314 >
1315 > void SimSetup::calcSysValues(void){
1316 >  int i;
1317 >
1318 >  int* molMembershipArray;
1319 >
1320 >  tot_atoms = 0;
1321 >  tot_bonds = 0;
1322 >  tot_bends = 0;
1323 >  tot_torsions = 0;
1324 >  tot_rigid = 0;
1325 >  for (i = 0; i < n_components; i++){
1326 >    tot_atoms += components_nmol[i] * comp_stamps[i]->getNAtoms();
1327 >    tot_bonds += components_nmol[i] * comp_stamps[i]->getNBonds();
1328 >    tot_bends += components_nmol[i] * comp_stamps[i]->getNBends();
1329 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1330 >    tot_rigid += components_nmol[i] * comp_stamps[i]->getNRigidBodies();
1331 >  }
1332 >  
1333 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1334 >  molMembershipArray = new int[tot_atoms];
1335 >
1336 >  for (i = 0; i < nInfo; i++){
1337 >    info[i].n_atoms = tot_atoms;
1338 >    info[i].n_bonds = tot_bonds;
1339 >    info[i].n_bends = tot_bends;
1340 >    info[i].n_torsions = tot_torsions;
1341 >    info[i].n_SRI = tot_SRI;
1342 >    info[i].n_mol = tot_nmol;
1343 >
1344 >    info[i].molMembershipArray = molMembershipArray;
1345 >  }
1346 > }
1347 >
1348 > #ifdef IS_MPI
1349 >
1350 > void SimSetup::mpiMolDivide(void){
1351 >  int i, j, k;
1352 >  int localMol, allMol;
1353 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1354 >  int local_rigid;
1355 >  vector<int> globalAtomIndex;
1356 >  vector<int> globalMolIndex;
1357 >
1358 >  mpiSim = new mpiSimulation(info);
1359 >
1360 >  mpiSim->divideLabor();
1361 >  globalAtomIndex = mpiSim->getGlobalAtomIndex();
1362 >  globalMolIndex = mpiSim->getGlobalMolIndex();
1363 >
1364 >  // set up the local variables
1365 >
1366 >  mol2proc = mpiSim->getMolToProcMap();
1367 >  molCompType = mpiSim->getMolComponentType();
1368 >
1369 >  allMol = 0;
1370 >  localMol = 0;
1371 >  local_atoms = 0;
1372 >  local_bonds = 0;
1373 >  local_bends = 0;
1374 >  local_torsions = 0;
1375 >  local_rigid = 0;
1376 >  globalAtomCounter = 0;
1377 >
1378 >  for (i = 0; i < n_components; i++){
1379 >    for (j = 0; j < components_nmol[i]; j++){
1380 >      if (mol2proc[allMol] == worldRank){
1381 >        local_atoms += comp_stamps[i]->getNAtoms();
1382 >        local_bonds += comp_stamps[i]->getNBonds();
1383 >        local_bends += comp_stamps[i]->getNBends();
1384 >        local_torsions += comp_stamps[i]->getNTorsions();
1385 >        local_rigid += comp_stamps[i]->getNRigidBodies();
1386 >        localMol++;
1387 >      }      
1388 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1389 >        info[0].molMembershipArray[globalAtomCounter] = allMol;
1390 >        globalAtomCounter++;
1391 >      }
1392 >
1393 >      allMol++;
1394 >    }
1395 >  }
1396 >  local_SRI = local_bonds + local_bends + local_torsions;
1397 >
1398 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1399 >  
1400 >
1401 >  if (local_atoms != info[0].n_atoms){
1402 >    sprintf(painCave.errMsg,
1403 >            "SimSetup error: mpiSim's localAtom (%d) and SimSetup's\n"
1404 >            "\tlocalAtom (%d) are not equal.\n",
1405 >            info[0].n_atoms, local_atoms);
1406 >    painCave.isFatal = 1;
1407 >    simError();
1408 >  }
1409 >
1410 >  info[0].n_bonds = local_bonds;
1411 >  info[0].n_bends = local_bends;
1412 >  info[0].n_torsions = local_torsions;
1413 >  info[0].n_SRI = local_SRI;
1414 >  info[0].n_mol = localMol;
1415 >
1416 >  strcpy(checkPointMsg, "Passed nlocal consistency check.");
1417 >  MPIcheckPoint();
1418 > }
1419 >
1420 > #endif // is_mpi
1421 >
1422 >
1423 > void SimSetup::makeSysArrays(void){
1424 >
1425 > #ifndef IS_MPI
1426 >  int k, j;
1427 > #endif // is_mpi
1428 >  int i, l;
1429 >
1430 >  Atom** the_atoms;
1431 >  Molecule* the_molecules;
1432 >
1433 >  for (l = 0; l < nInfo; l++){
1434 >    // create the atom and short range interaction arrays
1435 >
1436 >    the_atoms = new Atom * [info[l].n_atoms];
1437 >    the_molecules = new Molecule[info[l].n_mol];
1438 >    int molIndex;
1439 >
1440 >    // initialize the molecule's stampID's
1441 >
1442 > #ifdef IS_MPI
1443 >
1444 >
1445 >    molIndex = 0;
1446 >    for (i = 0; i < mpiSim->getTotNmol(); i++){
1447 >      if (mol2proc[i] == worldRank){
1448 >        the_molecules[molIndex].setStampID(molCompType[i]);
1449 >        the_molecules[molIndex].setMyIndex(molIndex);
1450 >        the_molecules[molIndex].setGlobalIndex(i);
1451 >        molIndex++;
1452 >      }
1453 >    }
1454 >
1455 > #else // is_mpi
1456 >
1457 >    molIndex = 0;
1458 >    globalAtomCounter = 0;
1459 >    for (i = 0; i < n_components; i++){
1460 >      for (j = 0; j < components_nmol[i]; j++){
1461 >        the_molecules[molIndex].setStampID(i);
1462 >        the_molecules[molIndex].setMyIndex(molIndex);
1463 >        the_molecules[molIndex].setGlobalIndex(molIndex);
1464 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++){
1465 >          info[l].molMembershipArray[globalAtomCounter] = molIndex;
1466 >          globalAtomCounter++;
1467 >        }
1468 >        molIndex++;
1469 >      }
1470 >    }
1471 >
1472 >
1473 > #endif // is_mpi
1474 >
1475 >    info[l].globalExcludes = new int;
1476 >    info[l].globalExcludes[0] = 0;
1477 >    
1478 >    // set the arrays into the SimInfo object
1479 >
1480 >    info[l].atoms = the_atoms;
1481 >    info[l].molecules = the_molecules;
1482 >    info[l].nGlobalExcludes = 0;
1483 >
1484 >    the_ff->setSimInfo(info);
1485 >  }
1486 > }
1487 >
1488 > void SimSetup::makeIntegrator(void){
1489 >  int k;
1490 >
1491 >  NVE<RealIntegrator>* myNVE = NULL;
1492 >  NVT<RealIntegrator>* myNVT = NULL;
1493 >  NPTi<NPT<RealIntegrator> >* myNPTi = NULL;
1494 >  NPTf<NPT<RealIntegrator> >* myNPTf = NULL;
1495 >  NPTxyz<NPT<RealIntegrator> >* myNPTxyz = NULL;
1496 >  
1497 >  for (k = 0; k < nInfo; k++){
1498 >    switch (ensembleCase){
1499 >      case NVE_ENS:
1500 >        if (globals->haveZconstraints()){
1501 >          setupZConstraint(info[k]);
1502 >          myNVE = new ZConstraint<NVE<RealIntegrator> >(&(info[k]), the_ff);
1503 >        }
1504 >        else{
1505 >          myNVE = new NVE<RealIntegrator>(&(info[k]), the_ff);
1506 >        }
1507 >        
1508 >        info->the_integrator = myNVE;
1509 >        break;
1510 >
1511 >      case NVT_ENS:
1512 >        if (globals->haveZconstraints()){
1513 >          setupZConstraint(info[k]);
1514 >          myNVT = new ZConstraint<NVT<RealIntegrator> >(&(info[k]), the_ff);
1515 >        }
1516 >        else
1517 >          myNVT = new NVT<RealIntegrator>(&(info[k]), the_ff);
1518 >
1519 >        myNVT->setTargetTemp(globals->getTargetTemp());
1520 >
1521 >        if (globals->haveTauThermostat())
1522 >          myNVT->setTauThermostat(globals->getTauThermostat());
1523 >        else{
1524 >          sprintf(painCave.errMsg,
1525 >                  "SimSetup error: If you use the NVT\n"
1526 >                  "\tensemble, you must set tauThermostat.\n");
1527 >          painCave.isFatal = 1;
1528 >          simError();
1529 >        }
1530 >
1531 >        info->the_integrator = myNVT;
1532 >        break;
1533 >
1534 >      case NPTi_ENS:
1535 >        if (globals->haveZconstraints()){
1536 >          setupZConstraint(info[k]);
1537 >          myNPTi = new ZConstraint<NPTi<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1538 >        }
1539 >        else
1540 >          myNPTi = new NPTi<NPT<RealIntegrator> >(&(info[k]), the_ff);
1541 >
1542 >        myNPTi->setTargetTemp(globals->getTargetTemp());
1543 >
1544 >        if (globals->haveTargetPressure())
1545 >          myNPTi->setTargetPressure(globals->getTargetPressure());
1546 >        else{
1547 >          sprintf(painCave.errMsg,
1548 >                  "SimSetup error: If you use a constant pressure\n"
1549 >                  "\tensemble, you must set targetPressure in the BASS file.\n");
1550 >          painCave.isFatal = 1;
1551 >          simError();
1552 >        }
1553 >
1554 >        if (globals->haveTauThermostat())
1555 >          myNPTi->setTauThermostat(globals->getTauThermostat());
1556 >        else{
1557 >          sprintf(painCave.errMsg,
1558 >                  "SimSetup error: If you use an NPT\n"
1559 >                  "\tensemble, you must set tauThermostat.\n");
1560 >          painCave.isFatal = 1;
1561 >          simError();
1562 >        }
1563 >
1564 >        if (globals->haveTauBarostat())
1565 >          myNPTi->setTauBarostat(globals->getTauBarostat());
1566 >        else{
1567 >          sprintf(painCave.errMsg,
1568 >                  "SimSetup error: If you use an NPT\n"
1569 >                  "\tensemble, you must set tauBarostat.\n");
1570 >          painCave.isFatal = 1;
1571 >          simError();
1572 >        }
1573 >
1574 >        info->the_integrator = myNPTi;
1575 >        break;
1576 >
1577 >      case NPTf_ENS:
1578 >        if (globals->haveZconstraints()){
1579 >          setupZConstraint(info[k]);
1580 >          myNPTf = new ZConstraint<NPTf<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1581 >        }
1582 >        else
1583 >          myNPTf = new NPTf<NPT <RealIntegrator> >(&(info[k]), the_ff);
1584 >
1585 >        myNPTf->setTargetTemp(globals->getTargetTemp());
1586 >
1587 >        if (globals->haveTargetPressure())
1588 >          myNPTf->setTargetPressure(globals->getTargetPressure());
1589 >        else{
1590 >          sprintf(painCave.errMsg,
1591 >                  "SimSetup error: If you use a constant pressure\n"
1592 >                  "\tensemble, you must set targetPressure in the BASS file.\n");
1593 >          painCave.isFatal = 1;
1594 >          simError();
1595 >        }    
1596 >
1597 >        if (globals->haveTauThermostat())
1598 >          myNPTf->setTauThermostat(globals->getTauThermostat());
1599 >
1600 >        else{
1601 >          sprintf(painCave.errMsg,
1602 >                  "SimSetup error: If you use an NPT\n"
1603 >                  "\tensemble, you must set tauThermostat.\n");
1604 >          painCave.isFatal = 1;
1605 >          simError();
1606 >        }
1607 >
1608 >        if (globals->haveTauBarostat())
1609 >          myNPTf->setTauBarostat(globals->getTauBarostat());
1610 >
1611 >        else{
1612 >          sprintf(painCave.errMsg,
1613 >                  "SimSetup error: If you use an NPT\n"
1614 >                  "\tensemble, you must set tauBarostat.\n");
1615 >          painCave.isFatal = 1;
1616 >          simError();
1617 >        }
1618 >
1619 >        info->the_integrator = myNPTf;
1620 >        break;
1621 >
1622 >      case NPTxyz_ENS:
1623 >        if (globals->haveZconstraints()){
1624 >          setupZConstraint(info[k]);
1625 >          myNPTxyz = new ZConstraint<NPTxyz<NPT <RealIntegrator> > >(&(info[k]), the_ff);
1626 >        }
1627 >        else
1628 >          myNPTxyz = new NPTxyz<NPT <RealIntegrator> >(&(info[k]), the_ff);
1629 >
1630 >        myNPTxyz->setTargetTemp(globals->getTargetTemp());
1631 >
1632 >        if (globals->haveTargetPressure())
1633 >          myNPTxyz->setTargetPressure(globals->getTargetPressure());
1634 >        else{
1635 >          sprintf(painCave.errMsg,
1636 >                  "SimSetup error: If you use a constant pressure\n"
1637 >                  "\tensemble, you must set targetPressure in the BASS file.\n");
1638 >          painCave.isFatal = 1;
1639 >          simError();
1640 >        }    
1641 >
1642 >        if (globals->haveTauThermostat())
1643 >          myNPTxyz->setTauThermostat(globals->getTauThermostat());
1644 >        else{
1645 >          sprintf(painCave.errMsg,
1646 >                  "SimSetup error: If you use an NPT\n"
1647 >                  "\tensemble, you must set tauThermostat.\n");
1648 >          painCave.isFatal = 1;
1649 >          simError();
1650 >        }
1651 >
1652 >        if (globals->haveTauBarostat())
1653 >          myNPTxyz->setTauBarostat(globals->getTauBarostat());
1654 >        else{
1655 >          sprintf(painCave.errMsg,
1656 >                  "SimSetup error: If you use an NPT\n"
1657 >                  "\tensemble, you must set tauBarostat.\n");
1658 >          painCave.isFatal = 1;
1659 >          simError();
1660 >        }
1661 >
1662 >        info->the_integrator = myNPTxyz;
1663 >        break;
1664 >
1665 >      default:
1666 >        sprintf(painCave.errMsg,
1667 >                "SimSetup Error. Unrecognized ensemble in case statement.\n");
1668 >        painCave.isFatal = 1;
1669 >        simError();
1670 >    }
1671    }
1672   }
1673 +
1674 + void SimSetup::initFortran(void){
1675 +  info[0].refreshSim();
1676 +
1677 +  if (!strcmp(info[0].mixingRule, "standard")){
1678 +    the_ff->initForceField(LB_MIXING_RULE);
1679 +  }
1680 +  else if (!strcmp(info[0].mixingRule, "explicit")){
1681 +    the_ff->initForceField(EXPLICIT_MIXING_RULE);
1682 +  }
1683 +  else{
1684 +    sprintf(painCave.errMsg, "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1685 +            info[0].mixingRule);
1686 +    painCave.isFatal = 1;
1687 +    simError();
1688 +  }
1689 +
1690 +
1691 + #ifdef IS_MPI
1692 +  strcpy(checkPointMsg, "Successfully intialized the mixingRule for Fortran.");
1693 +  MPIcheckPoint();
1694 + #endif // is_mpi
1695 + }
1696 +
1697 + void SimSetup::setupZConstraint(SimInfo& theInfo){
1698 +  int nZConstraints;
1699 +  ZconStamp** zconStamp;
1700 +
1701 +  if (globals->haveZconstraintTime()){
1702 +    //add sample time of z-constraint  into SimInfo's property list                    
1703 +    DoubleData* zconsTimeProp = new DoubleData();
1704 +    zconsTimeProp->setID(ZCONSTIME_ID);
1705 +    zconsTimeProp->setData(globals->getZconsTime());
1706 +    theInfo.addProperty(zconsTimeProp);
1707 +  }
1708 +  else{
1709 +    sprintf(painCave.errMsg,
1710 +            "ZConstraint error: If you use a ZConstraint,\n"
1711 +            "\tyou must set zconsTime.\n");
1712 +    painCave.isFatal = 1;
1713 +    simError();
1714 +  }
1715 +
1716 +  //push zconsTol into siminfo, if user does not specify
1717 +  //value for zconsTol, a default value will be used
1718 +  DoubleData* zconsTol = new DoubleData();
1719 +  zconsTol->setID(ZCONSTOL_ID);
1720 +  if (globals->haveZconsTol()){
1721 +    zconsTol->setData(globals->getZconsTol());
1722 +  }
1723 +  else{
1724 +    double defaultZConsTol = 0.01;
1725 +    sprintf(painCave.errMsg,
1726 +            "ZConstraint Warning: Tolerance for z-constraint method is not specified.\n"
1727 +            "\tOOPSE will use a default value of %f.\n"
1728 +            "\tTo set the tolerance, use the zconsTol variable.\n",
1729 +            defaultZConsTol);
1730 +    painCave.isFatal = 0;
1731 +    simError();      
1732 +
1733 +    zconsTol->setData(defaultZConsTol);
1734 +  }
1735 +  theInfo.addProperty(zconsTol);
1736 +
1737 +  //set Force Subtraction Policy
1738 +  StringData* zconsForcePolicy = new StringData();
1739 +  zconsForcePolicy->setID(ZCONSFORCEPOLICY_ID);
1740 +
1741 +  if (globals->haveZconsForcePolicy()){
1742 +    zconsForcePolicy->setData(globals->getZconsForcePolicy());
1743 +  }
1744 +  else{
1745 +    sprintf(painCave.errMsg,
1746 +            "ZConstraint Warning: No force subtraction policy was set.\n"
1747 +            "\tOOPSE will use PolicyByMass.\n"
1748 +            "\tTo set the policy, use the zconsForcePolicy variable.\n");
1749 +    painCave.isFatal = 0;
1750 +    simError();
1751 +    zconsForcePolicy->setData("BYMASS");
1752 +  }
1753 +
1754 +  theInfo.addProperty(zconsForcePolicy);
1755 +
1756 +  //set zcons gap
1757 +  DoubleData* zconsGap = new DoubleData();
1758 +  zconsGap->setID(ZCONSGAP_ID);
1759 +
1760 +  if (globals->haveZConsGap()){
1761 +    zconsGap->setData(globals->getZconsGap());
1762 +    theInfo.addProperty(zconsGap);  
1763 +  }
1764 +
1765 +  //set zcons fixtime
1766 +  DoubleData* zconsFixtime = new DoubleData();
1767 +  zconsFixtime->setID(ZCONSFIXTIME_ID);
1768 +
1769 +  if (globals->haveZConsFixTime()){
1770 +    zconsFixtime->setData(globals->getZconsFixtime());
1771 +    theInfo.addProperty(zconsFixtime);  
1772 +  }
1773 +
1774 +  //set zconsUsingSMD
1775 +  IntData* zconsUsingSMD = new IntData();
1776 +  zconsUsingSMD->setID(ZCONSUSINGSMD_ID);
1777 +
1778 +  if (globals->haveZConsUsingSMD()){
1779 +    zconsUsingSMD->setData(globals->getZconsUsingSMD());
1780 +    theInfo.addProperty(zconsUsingSMD);  
1781 +  }
1782 +
1783 +  //Determine the name of ouput file and add it into SimInfo's property list
1784 +  //Be careful, do not use inFileName, since it is a pointer which
1785 +  //point to a string at master node, and slave nodes do not contain that string
1786 +
1787 +  string zconsOutput(theInfo.finalName);
1788 +
1789 +  zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1790 +
1791 +  StringData* zconsFilename = new StringData();
1792 +  zconsFilename->setID(ZCONSFILENAME_ID);
1793 +  zconsFilename->setData(zconsOutput);
1794 +
1795 +  theInfo.addProperty(zconsFilename);
1796 +
1797 +  //setup index, pos and other parameters of z-constraint molecules
1798 +  nZConstraints = globals->getNzConstraints();
1799 +  theInfo.nZconstraints = nZConstraints;
1800 +
1801 +  zconStamp = globals->getZconStamp();
1802 +  ZConsParaItem tempParaItem;
1803 +
1804 +  ZConsParaData* zconsParaData = new ZConsParaData();
1805 +  zconsParaData->setID(ZCONSPARADATA_ID);
1806 +
1807 +  for (int i = 0; i < nZConstraints; i++){
1808 +    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1809 +    tempParaItem.zPos = zconStamp[i]->getZpos();
1810 +    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1811 +    tempParaItem.kRatio = zconStamp[i]->getKratio();
1812 +    tempParaItem.havingCantVel = zconStamp[i]->haveCantVel();
1813 +    tempParaItem.cantVel = zconStamp[i]->getCantVel();    
1814 +    zconsParaData->addItem(tempParaItem);
1815 +  }
1816 +
1817 +  //check the uniqueness of index  
1818 +  if(!zconsParaData->isIndexUnique()){
1819 +    sprintf(painCave.errMsg,
1820 +            "ZConstraint Error: molIndex is not unique!\n");
1821 +    painCave.isFatal = 1;
1822 +    simError();
1823 +  }
1824 +
1825 +  //sort the parameters by index of molecules
1826 +  zconsParaData->sortByIndex();
1827 +  
1828 +  //push data into siminfo, therefore, we can retrieve later
1829 +  theInfo.addProperty(zconsParaData);
1830 + }
1831 +
1832 + void SimSetup::makeMinimizer(){
1833 +
1834 +  OOPSEMinimizer* myOOPSEMinimizer;
1835 +  MinimizerParameterSet* param;
1836 +  char minimizerName[100];
1837 +  
1838 +  for (int i = 0; i < nInfo; i++){
1839 +    
1840 +    //prepare parameter set for minimizer
1841 +    param = new MinimizerParameterSet();
1842 +    param->setDefaultParameter();
1843 +
1844 +    if (globals->haveMinimizer()){
1845 +      param->setFTol(globals->getMinFTol());
1846 +    }
1847 +
1848 +    if (globals->haveMinGTol()){
1849 +      param->setGTol(globals->getMinGTol());
1850 +    }
1851 +
1852 +    if (globals->haveMinMaxIter()){
1853 +      param->setMaxIteration(globals->getMinMaxIter());
1854 +    }
1855 +
1856 +    if (globals->haveMinWriteFrq()){
1857 +      param->setMaxIteration(globals->getMinMaxIter());
1858 +    }
1859 +
1860 +    if (globals->haveMinWriteFrq()){
1861 +      param->setWriteFrq(globals->getMinWriteFrq());
1862 +    }
1863 +    
1864 +    if (globals->haveMinStepSize()){
1865 +      param->setStepSize(globals->getMinStepSize());
1866 +    }
1867 +
1868 +    if (globals->haveMinLSMaxIter()){
1869 +      param->setLineSearchMaxIteration(globals->getMinLSMaxIter());
1870 +    }    
1871 +
1872 +    if (globals->haveMinLSTol()){
1873 +      param->setLineSearchTol(globals->getMinLSTol());
1874 +    }    
1875 +
1876 +    strcpy(minimizerName, globals->getMinimizer());
1877 +
1878 +    if (!strcasecmp(minimizerName, "CG")){
1879 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);
1880 +    }
1881 +    else if (!strcasecmp(minimizerName, "SD")){
1882 +    //myOOPSEMinimizer = MinimizerFactory.creatMinimizer("", &(info[i]), the_ff, param);
1883 +      myOOPSEMinimizer = new SDMinimizer(&(info[i]), the_ff, param);
1884 +    }
1885 +    else{
1886 +          sprintf(painCave.errMsg,
1887 +                  "SimSetup error: Unrecognized Minimizer, use Conjugate Gradient \n");
1888 +          painCave.isFatal = 0;
1889 +          simError();
1890 +
1891 +      myOOPSEMinimizer = new PRCGMinimizer(&(info[i]), the_ff, param);          
1892 +    }
1893 +     info[i].the_integrator = myOOPSEMinimizer;
1894 +
1895 +     //store the minimizer into simInfo
1896 +     info[i].the_minimizer = myOOPSEMinimizer;
1897 +     info[i].has_minimizer = true;
1898 +  }
1899 +
1900 + }

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines