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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 580 by gezelter, Wed Jul 9 13:56:36 2003 UTC vs.
Revision 689 by tim, Tue Aug 12 19:56:49 2003 UTC

# Line 1 | Line 1
1 + #include <algorithm>
2   #include <cstdlib>
3   #include <iostream>
4   #include <cmath>
5 + #include <string>
6  
7   #include "SimSetup.hpp"
8 + #include "ReadWrite.hpp"
9   #include "parse_me.h"
10   #include "Integrator.hpp"
11   #include "simError.h"
# Line 14 | Line 17
17  
18   // some defines for ensemble and Forcefield  cases
19  
20 < #define NVE_ENS 0
21 < #define NVT_ENS 1
22 < #define NPTi_ENS 2
23 < #define NPTf_ENS 3
20 > #define NVE_ENS        0
21 > #define NVT_ENS        1
22 > #define NPTi_ENS       2
23 > #define NPTf_ENS       3
24 > #define NPTim_ENS      4
25 > #define NPTfm_ENS      5
26  
27   #define FF_DUFF 0
28   #define FF_LJ   1
29 + #define FF_EAM  2
30  
31 + using namespace std;
32  
33   SimSetup::SimSetup(){
34 +  
35 +  isInfoArray = 0;
36 +  nInfo = 1;
37 +  
38    stamps = new MakeStamps();
39    globals = new Globals();
40    
41 +  
42   #ifdef IS_MPI
43    strcpy( checkPointMsg, "SimSetup creation successful" );
44    MPIcheckPoint();
# Line 38 | Line 50 | void SimSetup::parseFile( char* fileName ){
50    delete globals;
51   }
52  
53 + void SimSetup::setSimInfo( SimInfo* the_info, int theNinfo ) {
54 +    info = the_info;
55 +    nInfo = theNinfo;
56 +    isInfoArray = 1;
57 + }
58 +
59 +
60   void SimSetup::parseFile( char* fileName ){
61  
62   #ifdef IS_MPI
# Line 73 | Line 92 | void SimSetup::createSim( void ){
92  
93   #endif // is_mpi
94  
95 < void SimSetup::createSim( void ){
95 > void SimSetup::createSim(void){
96  
78  MakeStamps *the_stamps;
79  Globals* the_globals;
97    int i, j, k, globalAtomIndex;
98    
99 <  int ensembleCase;
100 <  int ffCase;
99 >  // gather all of the information from the Bass file
100 >
101 >  std::cerr << "gathering info\n";
102 >
103 >  gatherInfo();
104 >
105 >  // creation of complex system objects
106 >
107 >  std::cerr << "creating system objects\n";
108 >
109 >  sysObjectsCreation();
110 >
111 >  // check on the post processing info
112    
113 <  ensembleCase = -1;
86 <  ffCase = -1;
113 >  std::cerr << "performing final info check.\n";
114  
115 <  // get the stamps and globals;
89 <  the_stamps = stamps;
90 <  the_globals = globals;
115 >  finalInfoCheck();
116  
117 <  // set the easy ones first
93 <  simnfo->target_temp = the_globals->getTargetTemp();
94 <  simnfo->dt = the_globals->getDt();
95 <  simnfo->run_time = the_globals->getRunTime();
117 >  // initialize the system coordinates
118  
119 <  // get the ones we know are there, yet still may need some work.
98 <  n_components = the_globals->getNComponents();
99 <  strcpy( force_field, the_globals->getForceField() );
119 >  std::cerr << "about to init coords\n";
120  
121 +  if( !isInfoArray ) initSystemCoords();  
122 +
123 +  // make the output filenames
124 +
125 +  makeOutNames();
126 +  
127 +  // make the integrator
128 +  
129 +  makeIntegrator();
130 +  
131 + #ifdef IS_MPI
132 +  mpiSim->mpiRefresh();
133 + #endif
134 +
135 +  // initialize the Fortran
136 +
137 +  initFortran();
138 +
139 +
140 +
141 + }
142 +
143 +
144 + void SimSetup::makeMolecules( void ){
145 +
146 +  int k,l;
147 +  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
148 +  molInit molInfo;
149 +  DirectionalAtom* dAtom;
150 +  LinkedAssign* extras;
151 +  LinkedAssign* current_extra;
152 +  AtomStamp* currentAtom;
153 +  BondStamp* currentBond;
154 +  BendStamp* currentBend;
155 +  TorsionStamp* currentTorsion;
156 +
157 +  bond_pair* theBonds;
158 +  bend_set* theBends;
159 +  torsion_set* theTorsions;
160 +
161 +  
162 +  //init the forceField paramters
163 +
164 +  the_ff->readParams();
165 +
166 +  
167 +  // init the atoms
168 +
169 +  double ux, uy, uz, u, uSqr;
170 +  
171 +  for(k=0; k<nInfo; k++){
172 +    
173 +    the_ff->setSimInfo( &(info[k]) );
174 +
175 +    atomOffset = 0;
176 +    excludeOffset = 0;
177 +    for(i=0; i<info[k].n_mol; i++){
178 +    
179 +      stampID = info[k].molecules[i].getStampID();
180 +
181 +      molInfo.nAtoms    = comp_stamps[stampID]->getNAtoms();
182 +      molInfo.nBonds    = comp_stamps[stampID]->getNBonds();
183 +      molInfo.nBends    = comp_stamps[stampID]->getNBends();
184 +      molInfo.nTorsions = comp_stamps[stampID]->getNTorsions();
185 +      molInfo.nExcludes = molInfo.nBonds + molInfo.nBends + molInfo.nTorsions;
186 +      
187 +      molInfo.myAtoms = &(info[k].atoms[atomOffset]);
188 +      molInfo.myExcludes = &(info[k].excludes[excludeOffset]);
189 +      molInfo.myBonds = new Bond*[molInfo.nBonds];
190 +      molInfo.myBends = new Bend*[molInfo.nBends];
191 +      molInfo.myTorsions = new Torsion*[molInfo.nTorsions];
192 +
193 +      theBonds = new bond_pair[molInfo.nBonds];
194 +      theBends = new bend_set[molInfo.nBends];
195 +      theTorsions = new torsion_set[molInfo.nTorsions];
196 +    
197 +      // make the Atoms
198 +    
199 +      for(j=0; j<molInfo.nAtoms; j++){
200 +        
201 +        currentAtom = comp_stamps[stampID]->getAtom( j );
202 +        if( currentAtom->haveOrientation() ){
203 +          
204 +          dAtom = new DirectionalAtom( (j + atomOffset),
205 +                                       info[k].getConfiguration() );
206 +          info[k].n_oriented++;
207 +          molInfo.myAtoms[j] = dAtom;
208 +          
209 +          ux = currentAtom->getOrntX();
210 +          uy = currentAtom->getOrntY();
211 +          uz = currentAtom->getOrntZ();
212 +          
213 +          uSqr = (ux * ux) + (uy * uy) + (uz * uz);
214 +          
215 +          u = sqrt( uSqr );
216 +          ux = ux / u;
217 +          uy = uy / u;
218 +          uz = uz / u;
219 +          
220 +          dAtom->setSUx( ux );
221 +          dAtom->setSUy( uy );
222 +          dAtom->setSUz( uz );
223 +        }
224 +        else{
225 +          molInfo.myAtoms[j] = new GeneralAtom( (j + atomOffset),
226 +                                                info[k].getConfiguration() );
227 +        }
228 +        molInfo.myAtoms[j]->setType( currentAtom->getType() );
229 +    
230 + #ifdef IS_MPI
231 +      
232 +        molInfo.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
233 +      
234 + #endif // is_mpi
235 +      }
236 +    
237 +    // make the bonds
238 +      for(j=0; j<molInfo.nBonds; j++){
239 +      
240 +        currentBond = comp_stamps[stampID]->getBond( j );
241 +        theBonds[j].a = currentBond->getA() + atomOffset;
242 +        theBonds[j].b = currentBond->getB() + atomOffset;
243 +        
244 +        exI = theBonds[j].a;
245 +        exJ = theBonds[j].b;
246 +        
247 +        // exclude_I must always be the smaller of the pair
248 +        if( exI > exJ ){
249 +          tempEx = exI;
250 +          exI = exJ;
251 +          exJ = tempEx;
252 +        }
253 + #ifdef IS_MPI
254 +        tempEx = exI;
255 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
256 +        tempEx = exJ;
257 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
258 +        
259 +        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
260 + #else  // isn't MPI
261 +        
262 +        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
263 + #endif  //is_mpi
264 +      }
265 +      excludeOffset += molInfo.nBonds;
266 +      
267 +      //make the bends
268 +      for(j=0; j<molInfo.nBends; j++){
269 +        
270 +        currentBend = comp_stamps[stampID]->getBend( j );
271 +        theBends[j].a = currentBend->getA() + atomOffset;
272 +        theBends[j].b = currentBend->getB() + atomOffset;
273 +        theBends[j].c = currentBend->getC() + atomOffset;
274 +        
275 +        if( currentBend->haveExtras() ){
276 +          
277 +          extras = currentBend->getExtras();
278 +          current_extra = extras;
279 +          
280 +          while( current_extra != NULL ){
281 +            if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
282 +              
283 +              switch( current_extra->getType() ){
284 +                
285 +              case 0:
286 +                theBends[j].ghost =
287 +                  current_extra->getInt() + atomOffset;
288 +                theBends[j].isGhost = 1;
289 +                break;
290 +                
291 +              case 1:
292 +                theBends[j].ghost =
293 +                  (int)current_extra->getDouble() + atomOffset;
294 +                theBends[j].isGhost = 1;
295 +                break;
296 +                
297 +              default:
298 +                sprintf( painCave.errMsg,
299 +                         "SimSetup Error: ghostVectorSource was neither a "
300 +                         "double nor an int.\n"
301 +                         "-->Bend[%d] in %s\n",
302 +                         j, comp_stamps[stampID]->getID() );
303 +                painCave.isFatal = 1;
304 +                simError();
305 +              }
306 +            }
307 +            
308 +            else{
309 +              
310 +              sprintf( painCave.errMsg,
311 +                       "SimSetup Error: unhandled bend assignment:\n"
312 +                       "    -->%s in Bend[%d] in %s\n",
313 +                       current_extra->getlhs(),
314 +                       j, comp_stamps[stampID]->getID() );
315 +              painCave.isFatal = 1;
316 +              simError();
317 +            }
318 +            
319 +            current_extra = current_extra->getNext();
320 +          }
321 +        }
322 +        
323 +        if( !theBends[j].isGhost ){
324 +          
325 +          exI = theBends[j].a;
326 +          exJ = theBends[j].c;
327 +        }
328 +        else{
329 +          
330 +          exI = theBends[j].a;
331 +          exJ = theBends[j].b;
332 +        }
333 +        
334 +        // exclude_I must always be the smaller of the pair
335 +        if( exI > exJ ){
336 +          tempEx = exI;
337 +          exI = exJ;
338 +          exJ = tempEx;
339 +        }
340 + #ifdef IS_MPI
341 +        tempEx = exI;
342 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
343 +        tempEx = exJ;
344 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
345 +      
346 +        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
347 + #else  // isn't MPI
348 +        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
349 + #endif  //is_mpi
350 +      }
351 +      excludeOffset += molInfo.nBends;
352 +      
353 +      for(j=0; j<molInfo.nTorsions; j++){
354 +        
355 +        currentTorsion = comp_stamps[stampID]->getTorsion( j );
356 +        theTorsions[j].a = currentTorsion->getA() + atomOffset;
357 +        theTorsions[j].b = currentTorsion->getB() + atomOffset;
358 +        theTorsions[j].c = currentTorsion->getC() + atomOffset;
359 +        theTorsions[j].d = currentTorsion->getD() + atomOffset;
360 +        
361 +        exI = theTorsions[j].a;
362 +        exJ = theTorsions[j].d;
363 +        
364 +        // exclude_I must always be the smaller of the pair
365 +        if( exI > exJ ){
366 +          tempEx = exI;
367 +          exI = exJ;
368 +          exJ = tempEx;
369 +        }
370 + #ifdef IS_MPI
371 +        tempEx = exI;
372 +        exI = info[k].atoms[tempEx]->getGlobalIndex() + 1;
373 +        tempEx = exJ;
374 +        exJ = info[k].atoms[tempEx]->getGlobalIndex() + 1;
375 +        
376 +        info[k].excludes[j+excludeOffset]->setPair( exI, exJ );
377 + #else  // isn't MPI
378 +        info[k].excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
379 + #endif  //is_mpi
380 +      }
381 +      excludeOffset += molInfo.nTorsions;
382 +      
383 +      
384 +      // send the arrays off to the forceField for init.
385 +      
386 +      the_ff->initializeAtoms( molInfo.nAtoms, molInfo.myAtoms );
387 +      the_ff->initializeBonds( molInfo.nBonds, molInfo.myBonds, theBonds );
388 +      the_ff->initializeBends( molInfo.nBends, molInfo.myBends, theBends );
389 +      the_ff->initializeTorsions( molInfo.nTorsions, molInfo.myTorsions, theTorsions );
390 +      
391 +      
392 +      info[k].molecules[i].initialize( molInfo );
393 +
394 +      
395 +      atomOffset += molInfo.nAtoms;
396 +      delete[] theBonds;
397 +      delete[] theBends;
398 +      delete[] theTorsions;
399 +    }
400 +  }
401 +  
402 + #ifdef IS_MPI
403 +  sprintf( checkPointMsg, "all molecules initialized succesfully" );
404 +  MPIcheckPoint();
405 + #endif // is_mpi
406 +  
407 +  // clean up the forcefield
408 +
409 +  the_ff->calcRcut();
410 +  the_ff->cleanMe();
411 +  
412 + }
413 +
414 + void SimSetup::initFromBass( void ){
415 +
416 +  int i, j, k;
417 +  int n_cells;
418 +  double cellx, celly, cellz;
419 +  double temp1, temp2, temp3;
420 +  int n_per_extra;
421 +  int n_extra;
422 +  int have_extra, done;
423 +
424 +  double vel[3];
425 +  vel[0] = 0.0;
426 +  vel[1] = 0.0;
427 +  vel[2] = 0.0;
428 +
429 +  temp1 = (double)tot_nmol / 4.0;
430 +  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
431 +  temp3 = ceil( temp2 );
432 +
433 +  have_extra =0;
434 +  if( temp2 < temp3 ){ // we have a non-complete lattice
435 +    have_extra =1;
436 +
437 +    n_cells = (int)temp3 - 1;
438 +    cellx = info[0].boxL[0] / temp3;
439 +    celly = info[0].boxL[1] / temp3;
440 +    cellz = info[0].boxL[2] / temp3;
441 +    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
442 +    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
443 +    n_per_extra = (int)ceil( temp1 );
444 +
445 +    if( n_per_extra > 4){
446 +      sprintf( painCave.errMsg,
447 +               "SimSetup error. There has been an error in constructing"
448 +               " the non-complete lattice.\n" );
449 +      painCave.isFatal = 1;
450 +      simError();
451 +    }
452 +  }
453 +  else{
454 +    n_cells = (int)temp3;
455 +    cellx = info[0].boxL[0] / temp3;
456 +    celly = info[0].boxL[1] / temp3;
457 +    cellz = info[0].boxL[2] / temp3;
458 +  }
459 +
460 +  current_mol = 0;
461 +  current_comp_mol = 0;
462 +  current_comp = 0;
463 +  current_atom_ndx = 0;
464 +
465 +  for( i=0; i < n_cells ; i++ ){
466 +    for( j=0; j < n_cells; j++ ){
467 +      for( k=0; k < n_cells; k++ ){
468 +
469 +        makeElement( i * cellx,
470 +                     j * celly,
471 +                     k * cellz );
472 +
473 +        makeElement( i * cellx + 0.5 * cellx,
474 +                     j * celly + 0.5 * celly,
475 +                     k * cellz );
476 +
477 +        makeElement( i * cellx,
478 +                     j * celly + 0.5 * celly,
479 +                     k * cellz + 0.5 * cellz );
480 +
481 +        makeElement( i * cellx + 0.5 * cellx,
482 +                     j * celly,
483 +                     k * cellz + 0.5 * cellz );
484 +      }
485 +    }
486 +  }
487 +
488 +  if( have_extra ){
489 +    done = 0;
490 +
491 +    int start_ndx;
492 +    for( i=0; i < (n_cells+1) && !done; i++ ){
493 +      for( j=0; j < (n_cells+1) && !done; j++ ){
494 +
495 +        if( i < n_cells ){
496 +
497 +          if( j < n_cells ){
498 +            start_ndx = n_cells;
499 +          }
500 +          else start_ndx = 0;
501 +        }
502 +        else start_ndx = 0;
503 +
504 +        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
505 +
506 +          makeElement( i * cellx,
507 +                       j * celly,
508 +                       k * cellz );
509 +          done = ( current_mol >= tot_nmol );
510 +
511 +          if( !done && n_per_extra > 1 ){
512 +            makeElement( i * cellx + 0.5 * cellx,
513 +                         j * celly + 0.5 * celly,
514 +                         k * cellz );
515 +            done = ( current_mol >= tot_nmol );
516 +          }
517 +
518 +          if( !done && n_per_extra > 2){
519 +            makeElement( i * cellx,
520 +                         j * celly + 0.5 * celly,
521 +                         k * cellz + 0.5 * cellz );
522 +            done = ( current_mol >= tot_nmol );
523 +          }
524 +
525 +          if( !done && n_per_extra > 3){
526 +            makeElement( i * cellx + 0.5 * cellx,
527 +                         j * celly,
528 +                         k * cellz + 0.5 * cellz );
529 +            done = ( current_mol >= tot_nmol );
530 +          }
531 +        }
532 +      }
533 +    }
534 +  }
535 +
536 +  for( i=0; i<info[0].n_atoms; i++ ){
537 +    info[0].atoms[i]->setVel( vel );
538 +  }
539 + }
540 +
541 + void SimSetup::makeElement( double x, double y, double z ){
542 +
543 +  int k;
544 +  AtomStamp* current_atom;
545 +  DirectionalAtom* dAtom;
546 +  double rotMat[3][3];
547 +  double pos[3];
548 +
549 +  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
550 +
551 +    current_atom = comp_stamps[current_comp]->getAtom( k );
552 +    if( !current_atom->havePosition() ){
553 +      sprintf( painCave.errMsg,
554 +               "SimSetup:initFromBass error.\n"
555 +               "\tComponent %s, atom %s does not have a position specified.\n"
556 +               "\tThe initialization routine is unable to give a start"
557 +               " position.\n",
558 +               comp_stamps[current_comp]->getID(),
559 +               current_atom->getType() );
560 +      painCave.isFatal = 1;
561 +      simError();
562 +    }
563 +    
564 +    pos[0] = x + current_atom->getPosX();
565 +    pos[1] = y + current_atom->getPosY();
566 +    pos[2] = z + current_atom->getPosZ();
567 +    
568 +    info[0].atoms[current_atom_ndx]->setPos( pos );
569 +
570 +    if( info[0].atoms[current_atom_ndx]->isDirectional() ){
571 +
572 +      dAtom = (DirectionalAtom *)info[0].atoms[current_atom_ndx];
573 +
574 +      rotMat[0][0] = 1.0;
575 +      rotMat[0][1] = 0.0;
576 +      rotMat[0][2] = 0.0;
577 +
578 +      rotMat[1][0] = 0.0;
579 +      rotMat[1][1] = 1.0;
580 +      rotMat[1][2] = 0.0;
581 +
582 +      rotMat[2][0] = 0.0;
583 +      rotMat[2][1] = 0.0;
584 +      rotMat[2][2] = 1.0;
585 +
586 +      dAtom->setA( rotMat );
587 +    }
588 +
589 +    current_atom_ndx++;
590 +  }
591 +
592 +  current_mol++;
593 +  current_comp_mol++;
594 +
595 +  if( current_comp_mol >= components_nmol[current_comp] ){
596 +
597 +    current_comp_mol = 0;
598 +    current_comp++;
599 +  }
600 + }
601 +
602 +
603 + void SimSetup::gatherInfo( void ){
604 +  int i,j,k;
605 +
606 +  ensembleCase = -1;
607 +  ffCase = -1;
608 +
609 +  // set the easy ones first
610 +
611 +  for( i=0; i<nInfo; i++){
612 +    info[i].target_temp = globals->getTargetTemp();
613 +    info[i].dt = globals->getDt();
614 +    info[i].run_time = globals->getRunTime();
615 +  }
616 +  n_components = globals->getNComponents();
617 +
618 +
619 +  // get the forceField
620 +
621 +  strcpy( force_field, globals->getForceField() );
622 +
623    if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
624    else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
625 +  else if( !strcasecmp( force_field, "EAM" )) ffCase = FF_EAM;
626    else{
627      sprintf( painCave.errMsg,
628               "SimSetup Error. Unrecognized force field -> %s\n",
# Line 108 | Line 631 | void SimSetup::createSim( void ){
631      simError();
632    }
633  
634 <  // get the ensemble:
112 <  strcpy( ensemble, the_globals->getEnsemble() );
634 >  // get the ensemble
635  
636 +  strcpy( ensemble, globals->getEnsemble() );
637 +
638    if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
639    else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
640    else if( !strcasecmp( ensemble, "NPTi" ) || !strcasecmp( ensemble, "NPT") )
641      ensembleCase = NPTi_ENS;
642    else if( !strcasecmp( ensemble, "NPTf" )) ensembleCase = NPTf_ENS;
643 +  else if( !strcasecmp( ensemble, "NPTim" )) ensembleCase = NPTim_ENS;
644 +  else if( !strcasecmp( ensemble, "NPTfm" )) ensembleCase = NPTfm_ENS;
645    else{
646      sprintf( painCave.errMsg,
647               "SimSetup Warning. Unrecognized Ensemble -> %s, "
# Line 126 | Line 652 | void SimSetup::createSim( void ){
652      strcpy( ensemble, "NVE" );
653      ensembleCase = NVE_ENS;
654    }  
655 <  strcpy( simnfo->ensemble, ensemble );
655 >  
656 >  for(i=0; i<nInfo; i++){
657 >    
658 >    strcpy( info[i].ensemble, ensemble );
659  
660 +    // get the mixing rule
661  
662 < //   if( !strcasecmp( ensemble, "NPT" ) ) {
663 < //     the_extendedsystem = new ExtendedSystem( simnfo );
134 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
135 < //     if (the_globals->haveTargetPressure())
136 < //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
137 < //     else {
138 < //       sprintf( painCave.errMsg,
139 < //                "SimSetup error: If you use the constant pressure\n"
140 < //                "    ensemble, you must set targetPressure.\n"
141 < //                "    This was found in the BASS file.\n");
142 < //       painCave.isFatal = 1;
143 < //       simError();
144 < //     }
145 <
146 < //     if (the_globals->haveTauThermostat())
147 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
148 < //     else if (the_globals->haveQmass())
149 < //       the_extendedsystem->setQmass(the_globals->getQmass());
150 < //     else {
151 < //       sprintf( painCave.errMsg,
152 < //                "SimSetup error: If you use one of the constant temperature\n"
153 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
154 < //                "    Neither of these was found in the BASS file.\n");
155 < //       painCave.isFatal = 1;
156 < //       simError();
157 < //     }
158 <
159 < //     if (the_globals->haveTauBarostat())
160 < //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
161 < //     else {
162 < //       sprintf( painCave.errMsg,
163 < //                "SimSetup error: If you use the constant pressure\n"
164 < //                "    ensemble, you must set tauBarostat.\n"
165 < //                "    This was found in the BASS file.\n");
166 < //       painCave.isFatal = 1;
167 < //       simError();
168 < //     }
169 <
170 < //   } else if ( !strcasecmp( ensemble, "NVT") ) {
171 < //     the_extendedsystem = new ExtendedSystem( simnfo );
172 < //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
173 <
174 < //     if (the_globals->haveTauThermostat())
175 < //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
176 < //     else if (the_globals->haveQmass())
177 < //       the_extendedsystem->setQmass(the_globals->getQmass());
178 < //     else {
179 < //       sprintf( painCave.errMsg,
180 < //                "SimSetup error: If you use one of the constant temperature\n"
181 < //                "    ensembles, you must set either tauThermostat or qMass.\n"
182 < //                "    Neither of these was found in the BASS file.\n");
183 < //       painCave.isFatal = 1;
184 < //       simError();
185 < //     }
186 <
187 <  strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
188 <  simnfo->usePBC = the_globals->getPBC();
189 <          
190 <  int usesDipoles = 0;
191 <  switch( ffCase ){
192 <
193 <  case FF_DUFF:
194 <    the_ff = new DUFF();
195 <    usesDipoles = 1;
196 <    break;
197 <
198 <  case FF_LJ:
199 <    the_ff = new LJFF();
200 <    break;
201 <
202 <  default:
203 <    sprintf( painCave.errMsg,
204 <             "SimSetup Error. Unrecognized force field in case statement.\n");
205 <    painCave.isFatal = 1;
206 <    simError();
662 >    strcpy( info[i].mixingRule, globals->getMixingRule() );
663 >    info[i].usePBC = globals->getPBC();
664    }
665 <
209 < #ifdef IS_MPI
210 <  strcpy( checkPointMsg, "ForceField creation successful" );
211 <  MPIcheckPoint();
212 < #endif // is_mpi
213 <
665 >  
666    // get the components and calculate the tot_nMol and indvidual n_mol
667 <  the_components = the_globals->getComponents();
667 >
668 >  the_components = globals->getComponents();
669    components_nmol = new int[n_components];
217  comp_stamps = new MoleculeStamp*[n_components];
670  
671 <  if( !the_globals->haveNMol() ){
671 >
672 >  if( !globals->haveNMol() ){
673      // we don't have the total number of molecules, so we assume it is
674      // given in each component
675  
# Line 245 | Line 698 | void SimSetup::createSim( void ){
698               " Please give nMol in the components.\n" );
699      painCave.isFatal = 1;
700      simError();
248    
249    
250    //     tot_nmol = the_globals->getNMol();
251    
252    //   //we have the total number of molecules, now we check for molfractions
253    //     for( i=0; i<n_components; i++ ){
254    
255    //       if( !the_components[i]->haveMolFraction() ){
256    
257    //  if( !the_components[i]->haveNMol() ){
258    //    //we have a problem
259    //    std::cerr << "SimSetup error. Neither molFraction nor "
260    //              << " nMol was given in component
261    
701    }
702  
703 < #ifdef IS_MPI
265 <  strcpy( checkPointMsg, "Have the number of components" );
266 <  MPIcheckPoint();
267 < #endif // is_mpi
268 <
269 <  // make an array of molecule stamps that match the components used.
270 <  // also extract the used stamps out into a separate linked list
271 <
272 <  simnfo->nComponents = n_components;
273 <  simnfo->componentsNmol = components_nmol;
274 <  simnfo->compStamps = comp_stamps;
275 <  simnfo->headStamp = new LinkedMolStamp();
703 >  // set the status, sample, and thermal kick times
704    
705 <  char* id;
278 <  LinkedMolStamp* headStamp = simnfo->headStamp;
279 <  LinkedMolStamp* currentStamp = NULL;
280 <  for( i=0; i<n_components; i++ ){
705 >  for(i=0; i<nInfo; i++){
706  
707 <    id = the_components[i]->getType();
708 <    comp_stamps[i] = NULL;
707 >    if( globals->haveSampleTime() ){
708 >      info[i].sampleTime = globals->getSampleTime();
709 >      info[i].statusTime = info[i].sampleTime;
710 >      info[i].thermalTime = info[i].sampleTime;
711 >    }
712 >    else{
713 >      info[i].sampleTime = globals->getRunTime();
714 >      info[i].statusTime = info[i].sampleTime;
715 >      info[i].thermalTime = info[i].sampleTime;
716 >    }
717      
718 <    // check to make sure the component isn't already in the list
718 >    if( globals->haveStatusTime() ){
719 >      info[i].statusTime = globals->getStatusTime();
720 >    }
721 >    
722 >    if( globals->haveThermalTime() ){
723 >      info[i].thermalTime = globals->getThermalTime();
724 >    }
725  
726 <    comp_stamps[i] = headStamp->match( id );
727 <    if( comp_stamps[i] == NULL ){
726 >    // check for the temperature set flag
727 >
728 >    if( globals->haveTempSet() ) info[i].setTemp = globals->getTempSet();
729 >    
730 >    // get some of the tricky things that may still be in the globals
731 >    
732 >    double boxVector[3];
733 >    if( globals->haveBox() ){
734 >      boxVector[0] = globals->getBox();
735 >      boxVector[1] = globals->getBox();
736 >      boxVector[2] = globals->getBox();
737        
738 <      // extract the component from the list;
738 >      info[i].setBox( boxVector );
739 >    }
740 >    else if( globals->haveDensity() ){
741        
742 <      currentStamp = the_stamps->extractMolStamp( id );
743 <      if( currentStamp == NULL ){
742 >      double vol;
743 >      vol = (double)tot_nmol / globals->getDensity();
744 >      boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
745 >      boxVector[1] = boxVector[0];
746 >      boxVector[2] = boxVector[0];
747 >      
748 >      info[i].setBox( boxVector );
749 >  }
750 >    else{
751 >      if( !globals->haveBoxX() ){
752          sprintf( painCave.errMsg,
753 <                 "SimSetup error: Component \"%s\" was not found in the "
296 <                 "list of declared molecules\n",
297 <                 id );
753 >                 "SimSetup error, no periodic BoxX size given.\n" );
754          painCave.isFatal = 1;
755          simError();
756        }
757 +      boxVector[0] = globals->getBoxX();
758        
759 <      headStamp->add( currentStamp );
760 <      comp_stamps[i] = headStamp->match( id );
759 >      if( !globals->haveBoxY() ){
760 >        sprintf( painCave.errMsg,
761 >                 "SimSetup error, no periodic BoxY size given.\n" );
762 >        painCave.isFatal = 1;
763 >        simError();
764 >      }
765 >      boxVector[1] = globals->getBoxY();
766 >      
767 >      if( !globals->haveBoxZ() ){
768 >        sprintf( painCave.errMsg,
769 >                 "SimSetup error, no periodic BoxZ size given.\n" );
770 >        painCave.isFatal = 1;
771 >        simError();
772 >      }
773 >      boxVector[2] = globals->getBoxZ();
774 >      
775 >      info[i].setBox( boxVector );
776      }
305  }
777  
778 +  }
779 +    
780   #ifdef IS_MPI
781 <  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
781 >  strcpy( checkPointMsg, "Succesfully gathered all information from Bass\n" );
782    MPIcheckPoint();
783   #endif // is_mpi
311  
784  
785 + }
786  
787  
788 <  // caclulate the number of atoms, bonds, bends and torsions
788 > void SimSetup::finalInfoCheck( void ){
789 >  int index;
790 >  int usesDipoles;
791 >  int i;
792  
793 <  tot_atoms = 0;
794 <  tot_bonds = 0;
319 <  tot_bends = 0;
320 <  tot_torsions = 0;
321 <  for( i=0; i<n_components; i++ ){
793 >  for(i=0; i<nInfo; i++){
794 >    // check electrostatic parameters
795      
796 <    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
797 <    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
798 <    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
799 <    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
796 >    index = 0;
797 >    usesDipoles = 0;
798 >    while( (index < info[i].n_atoms) && !usesDipoles ){
799 >      usesDipoles = (info[i].atoms[index])->hasDipole();
800 >      index++;
801 >    }
802 >    
803 > #ifdef IS_MPI
804 >    int myUse = usesDipoles;
805 >    MPI_Allreduce( &myUse, &usesDipoles, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD );
806 > #endif //is_mpi
807 >    
808 >    double theEcr, theEst;
809 >  
810 >    if (globals->getUseRF() ) {
811 >      info[i].useReactionField = 1;
812 >      
813 >      if( !globals->haveECR() ){
814 >        sprintf( painCave.errMsg,
815 >                 "SimSetup Warning: using default value of 1/2 the smallest "
816 >                 "box length for the electrostaticCutoffRadius.\n"
817 >                 "I hope you have a very fast processor!\n");
818 >        painCave.isFatal = 0;
819 >        simError();
820 >        double smallest;
821 >        smallest = info[i].boxL[0];
822 >        if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
823 >        if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
824 >        theEcr = 0.5 * smallest;
825 >      } else {
826 >        theEcr = globals->getECR();
827 >      }
828 >      
829 >      if( !globals->haveEST() ){
830 >        sprintf( painCave.errMsg,
831 >                 "SimSetup Warning: using default value of 0.05 * the "
832 >                 "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
833 >                 );
834 >        painCave.isFatal = 0;
835 >        simError();
836 >        theEst = 0.05 * theEcr;
837 >      } else {
838 >        theEst= globals->getEST();
839 >      }
840 >      
841 >      info[i].setEcr( theEcr, theEst );
842 >      
843 >      if(!globals->haveDielectric() ){
844 >        sprintf( painCave.errMsg,
845 >                 "SimSetup Error: You are trying to use Reaction Field without"
846 >                 "setting a dielectric constant!\n"
847 >                 );
848 >        painCave.isFatal = 1;
849 >        simError();
850 >      }
851 >      info[i].dielectric = globals->getDielectric();  
852 >    }
853 >    else {
854 >      if (usesDipoles) {
855 >        
856 >        if( !globals->haveECR() ){
857 >          sprintf( painCave.errMsg,
858 >                   "SimSetup Warning: using default value of 1/2 the smallest "
859 >                   "box length for the electrostaticCutoffRadius.\n"
860 >                   "I hope you have a very fast processor!\n");
861 >          painCave.isFatal = 0;
862 >          simError();
863 >          double smallest;
864 >          smallest = info[i].boxL[0];
865 >          if (info[i].boxL[1] <= smallest) smallest = info[i].boxL[1];
866 >          if (info[i].boxL[2] <= smallest) smallest = info[i].boxL[2];
867 >          theEcr = 0.5 * smallest;
868 >        } else {
869 >          theEcr = globals->getECR();
870 >        }
871 >        
872 >        if( !globals->haveEST() ){
873 >          sprintf( painCave.errMsg,
874 >                   "SimSetup Warning: using default value of 0.05 * the "
875 >                   "electrostaticCutoffRadius for the "
876 >                   "electrostaticSkinThickness\n"
877 >                   );
878 >          painCave.isFatal = 0;
879 >          simError();
880 >          theEst = 0.05 * theEcr;
881 >        } else {
882 >          theEst= globals->getEST();
883 >        }
884 >        
885 >        info[i].setEcr( theEcr, theEst );
886 >      }
887 >    }  
888    }
889  
329  tot_SRI = tot_bonds + tot_bends + tot_torsions;
330
331  simnfo->n_atoms = tot_atoms;
332  simnfo->n_bonds = tot_bonds;
333  simnfo->n_bends = tot_bends;
334  simnfo->n_torsions = tot_torsions;
335  simnfo->n_SRI = tot_SRI;
336  simnfo->n_mol = tot_nmol;
337  
338  simnfo->molMembershipArray = new int[tot_atoms];
339
890   #ifdef IS_MPI
891 +  strcpy( checkPointMsg, "post processing checks out" );
892 +  MPIcheckPoint();
893 + #endif // is_mpi
894  
895 <  // divide the molecules among processors here.
343 <  
344 <  mpiSim = new mpiSimulation( simnfo );
345 <  
346 <  globalIndex = mpiSim->divideLabor();
895 > }
896  
897 <  // set up the local variables
897 > void SimSetup::initSystemCoords( void ){
898 >  int i;
899    
900 <  int localMol, allMol;
351 <  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
900 >  char* inName;
901  
902 <  int* mol2proc = mpiSim->getMolToProcMap();
354 <  int* molCompType = mpiSim->getMolComponentType();
355 <  
356 <  allMol = 0;
357 <  localMol = 0;
358 <  local_atoms = 0;
359 <  local_bonds = 0;
360 <  local_bends = 0;
361 <  local_torsions = 0;
362 <  globalAtomIndex = 0;
902 >  std::cerr << "Setting atom Coords\n";
903  
904 <
365 <  for( i=0; i<n_components; i++ ){
366 <
367 <    for( j=0; j<components_nmol[i]; j++ ){
368 <      
369 <      if( mol2proc[allMol] == worldRank ){
370 <        
371 <        local_atoms +=    comp_stamps[i]->getNAtoms();
372 <        local_bonds +=    comp_stamps[i]->getNBonds();
373 <        local_bends +=    comp_stamps[i]->getNBends();
374 <        local_torsions += comp_stamps[i]->getNTorsions();
375 <        localMol++;
376 <      }      
377 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
378 <        simnfo->molMembershipArray[globalAtomIndex] = allMol;
379 <        globalAtomIndex++;
380 <      }
381 <
382 <      allMol++;      
383 <    }
384 <  }
385 <  local_SRI = local_bonds + local_bends + local_torsions;
904 >  (info[0].getConfiguration())->createArrays( info[0].n_atoms );
905    
906 <  simnfo->n_atoms = mpiSim->getMyNlocal();  
906 >  for(i=0; i<info[0].n_atoms; i++) info[0].atoms[i]->setCoords();
907    
908 <  if( local_atoms != simnfo->n_atoms ){
908 >  if( globals->haveInitialConfig() ){
909 >    
910 >    InitializeFromFile* fileInit;
911 > #ifdef IS_MPI // is_mpi
912 >    if( worldRank == 0 ){
913 > #endif //is_mpi
914 >      inName = globals->getInitialConfig();
915 >      fileInit = new InitializeFromFile( inName );
916 > #ifdef IS_MPI
917 >    }else fileInit = new InitializeFromFile( NULL );
918 > #endif
919 >    fileInit->readInit( info ); // default velocities on
920 >    
921 >    delete fileInit;
922 >  }
923 >  else{
924 >    
925 > #ifdef IS_MPI
926 >    
927 >    // no init from bass
928 >    
929      sprintf( painCave.errMsg,
930 <             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
931 <             " localAtom (%d) are not equal.\n",
393 <             simnfo->n_atoms,
394 <             local_atoms );
395 <    painCave.isFatal = 1;
930 >             "Cannot intialize a parallel simulation without an initial configuration file.\n" );
931 >    painCave.isFatal;
932      simError();
933 +    
934 + #else
935 +    
936 +    initFromBass();
937 +    
938 +    
939 + #endif
940    }
398
399  simnfo->n_bonds = local_bonds;
400  simnfo->n_bends = local_bends;
401  simnfo->n_torsions = local_torsions;
402  simnfo->n_SRI = local_SRI;
403  simnfo->n_mol = localMol;
404
405  strcpy( checkPointMsg, "Passed nlocal consistency check." );
406  MPIcheckPoint();
941    
942 <  
942 > #ifdef IS_MPI
943 >  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
944 >  MPIcheckPoint();
945   #endif // is_mpi
946    
947 + }
948  
412  // create the atom and short range interaction arrays
949  
950 <  Atom::createArrays(simnfo->n_atoms);
415 <  the_atoms = new Atom*[simnfo->n_atoms];
416 <  the_molecules = new Molecule[simnfo->n_mol];
417 <  int molIndex;
418 <
419 <  // initialize the molecule's stampID's
420 <
421 < #ifdef IS_MPI
950 > void SimSetup::makeOutNames( void ){
951    
952 +  int k;
953  
424  molIndex = 0;
425  for(i=0; i<mpiSim->getTotNmol(); i++){
426    
427    if(mol2proc[i] == worldRank ){
428      the_molecules[molIndex].setStampID( molCompType[i] );
429      the_molecules[molIndex].setMyIndex( molIndex );
430      the_molecules[molIndex].setGlobalIndex( i );
431      molIndex++;
432    }
433  }
434
435 #else // is_mpi
954    
955 <  molIndex = 0;
956 <  globalAtomIndex = 0;
957 <  for(i=0; i<n_components; i++){
958 <    for(j=0; j<components_nmol[i]; j++ ){
959 <      the_molecules[molIndex].setStampID( i );
960 <      the_molecules[molIndex].setMyIndex( molIndex );
961 <      the_molecules[molIndex].setGlobalIndex( molIndex );
962 <      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
445 <        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
446 <        globalAtomIndex++;
955 >  for(k=0; k<nInfo; k++){
956 >
957 > #ifdef IS_MPI
958 >    if( worldRank == 0 ){
959 > #endif // is_mpi
960 >      
961 >      if( globals->haveFinalConfig() ){
962 >        strcpy( info[k].finalName, globals->getFinalConfig() );
963        }
964 <      molIndex++;
964 >      else{
965 >        strcpy( info[k].finalName, inFileName );
966 >        char* endTest;
967 >        int nameLength = strlen( info[k].finalName );
968 >        endTest = &(info[k].finalName[nameLength - 5]);
969 >        if( !strcmp( endTest, ".bass" ) ){
970 >          strcpy( endTest, ".eor" );
971 >        }
972 >        else if( !strcmp( endTest, ".BASS" ) ){
973 >          strcpy( endTest, ".eor" );
974 >        }
975 >        else{
976 >          endTest = &(info[k].finalName[nameLength - 4]);
977 >          if( !strcmp( endTest, ".bss" ) ){
978 >            strcpy( endTest, ".eor" );
979 >          }
980 >          else if( !strcmp( endTest, ".mdl" ) ){
981 >            strcpy( endTest, ".eor" );
982 >          }
983 >          else{
984 >            strcat( info[k].finalName, ".eor" );
985 >          }
986 >        }
987 >      }
988 >      
989 >      // make the sample and status out names
990 >      
991 >      strcpy( info[k].sampleName, inFileName );
992 >      char* endTest;
993 >      int nameLength = strlen( info[k].sampleName );
994 >      endTest = &(info[k].sampleName[nameLength - 5]);
995 >      if( !strcmp( endTest, ".bass" ) ){
996 >        strcpy( endTest, ".dump" );
997 >      }
998 >      else if( !strcmp( endTest, ".BASS" ) ){
999 >        strcpy( endTest, ".dump" );
1000 >      }
1001 >      else{
1002 >        endTest = &(info[k].sampleName[nameLength - 4]);
1003 >        if( !strcmp( endTest, ".bss" ) ){
1004 >          strcpy( endTest, ".dump" );
1005 >        }
1006 >        else if( !strcmp( endTest, ".mdl" ) ){
1007 >          strcpy( endTest, ".dump" );
1008 >        }
1009 >        else{
1010 >          strcat( info[k].sampleName, ".dump" );
1011 >        }
1012 >      }
1013 >      
1014 >      strcpy( info[k].statusName, inFileName );
1015 >      nameLength = strlen( info[k].statusName );
1016 >      endTest = &(info[k].statusName[nameLength - 5]);
1017 >      if( !strcmp( endTest, ".bass" ) ){
1018 >        strcpy( endTest, ".stat" );
1019 >      }
1020 >      else if( !strcmp( endTest, ".BASS" ) ){
1021 >        strcpy( endTest, ".stat" );
1022 >      }
1023 >      else{
1024 >        endTest = &(info[k].statusName[nameLength - 4]);
1025 >        if( !strcmp( endTest, ".bss" ) ){
1026 >          strcpy( endTest, ".stat" );
1027 >        }
1028 >        else if( !strcmp( endTest, ".mdl" ) ){
1029 >          strcpy( endTest, ".stat" );
1030 >        }
1031 >        else{
1032 >          strcat( info[k].statusName, ".stat" );
1033 >        }
1034 >      }
1035 >      
1036 > #ifdef IS_MPI
1037      }
1038 + #endif // is_mpi
1039    }
1040 <    
1040 > }
1041  
453 #endif // is_mpi
1042  
1043 + void SimSetup::sysObjectsCreation( void ){
1044 +  
1045 +  int i,k;
1046 +  
1047 +  // create the forceField
1048  
1049 <  if( simnfo->n_SRI ){
457 <    
458 <    Exclude::createArray(simnfo->n_SRI);
459 <    the_excludes = new Exclude*[simnfo->n_SRI];
460 <    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
461 <    simnfo->globalExcludes = new int;
462 <    simnfo->n_exclude = simnfo->n_SRI;
463 <  }
464 <  else{
465 <    
466 <    Exclude::createArray( 1 );
467 <    the_excludes = new Exclude*;
468 <    the_excludes[0] = new Exclude(0);
469 <    the_excludes[0]->setPair( 0,0 );
470 <    simnfo->globalExcludes = new int;
471 <    simnfo->globalExcludes[0] = 0;
472 <    simnfo->n_exclude = 0;
473 <  }
1049 >  createFF();
1050  
1051 <  // set the arrays into the SimInfo object
1051 >  // extract componentList
1052  
1053 <  simnfo->atoms = the_atoms;
478 <  simnfo->molecules = the_molecules;
479 <  simnfo->nGlobalExcludes = 0;
480 <  simnfo->excludes = the_excludes;
1053 >  compList();
1054  
1055 +  // calc the number of atoms, bond, bends, and torsions
1056  
1057 <  // get some of the tricky things that may still be in the globals
1057 >  calcSysValues();
1058  
1059 <  double boxVector[3];
1060 <  if( the_globals->haveBox() ){
1061 <    boxVector[0] = the_globals->getBox();
1062 <    boxVector[1] = the_globals->getBox();
1063 <    boxVector[2] = the_globals->getBox();
1064 <    
1065 <    simnfo->setBox( boxVector );
1059 > #ifdef IS_MPI
1060 >  // divide the molecules among the processors
1061 >  
1062 >  mpiMolDivide();
1063 > #endif //is_mpi
1064 >  
1065 >  // create the atom and SRI arrays. Also initialize Molecule Stamp ID's
1066 >
1067 >  makeSysArrays();
1068 >
1069 >  // make and initialize the molecules (all but atomic coordinates)
1070 >
1071 >  makeMolecules();
1072 >  
1073 >  for(k=0; k<nInfo; k++){
1074 >    info[k].identArray = new int[info[k].n_atoms];
1075 >    for(i=0; i<info[k].n_atoms; i++){
1076 >      info[k].identArray[i] = info[k].atoms[i]->getIdent();
1077 >    }
1078    }
1079 <  else if( the_globals->haveDensity() ){
1079 > }
1080  
495    double vol;
496    vol = (double)tot_nmol / the_globals->getDensity();
497     boxVector[0] = pow( vol, ( 1.0 / 3.0 ) );
498     boxVector[1] = boxVector[0];
499     boxVector[2] = boxVector[0];
1081  
1082 <    simnfo->setBox( boxVector );
502 <  }
503 <  else{
504 <    if( !the_globals->haveBoxX() ){
505 <      sprintf( painCave.errMsg,
506 <               "SimSetup error, no periodic BoxX size given.\n" );
507 <      painCave.isFatal = 1;
508 <      simError();
509 <    }
510 <    boxVector[0] = the_globals->getBoxX();
1082 > void SimSetup::createFF( void ){
1083  
1084 <    if( !the_globals->haveBoxY() ){
513 <      sprintf( painCave.errMsg,
514 <               "SimSetup error, no periodic BoxY size given.\n" );
515 <      painCave.isFatal = 1;
516 <      simError();
517 <    }
518 <    boxVector[1] = the_globals->getBoxY();
1084 >  switch( ffCase ){
1085  
1086 <    if( !the_globals->haveBoxZ() ){
1087 <      sprintf( painCave.errMsg,
1088 <               "SimSetup error, no periodic BoxZ size given.\n" );
523 <      painCave.isFatal = 1;
524 <      simError();
525 <    }
526 <    boxVector[2] = the_globals->getBoxZ();
1086 >  case FF_DUFF:
1087 >    the_ff = new DUFF();
1088 >    break;
1089  
1090 <    simnfo->setBox( boxVector );
1090 >  case FF_LJ:
1091 >    the_ff = new LJFF();
1092 >    break;
1093 >
1094 >  case FF_EAM:
1095 >    the_ff = new EAM_FF();
1096 >    break;
1097 >
1098 >  default:
1099 >    sprintf( painCave.errMsg,
1100 >             "SimSetup Error. Unrecognized force field in case statement.\n");
1101 >    painCave.isFatal = 1;
1102 >    simError();
1103    }
1104  
1105   #ifdef IS_MPI
1106 <  strcpy( checkPointMsg, "Box size set up" );
1106 >  strcpy( checkPointMsg, "ForceField creation successful" );
1107    MPIcheckPoint();
1108   #endif // is_mpi
1109  
1110 + }
1111  
537  // initialize the arrays
1112  
1113 <  the_ff->setSimInfo( simnfo );
1113 > void SimSetup::compList( void ){
1114  
1115 <  makeMolecules();
1116 <  simnfo->identArray = new int[simnfo->n_atoms];
1117 <  for(i=0; i<simnfo->n_atoms; i++){
1118 <    simnfo->identArray[i] = the_atoms[i]->getIdent();
1119 <  }
1115 >  int i;
1116 >  char* id;
1117 >  LinkedMolStamp* headStamp = new LinkedMolStamp();
1118 >  LinkedMolStamp* currentStamp = NULL;
1119 >  comp_stamps = new MoleculeStamp*[n_components];
1120    
1121 <  if (the_globals->getUseRF() ) {
1122 <    simnfo->useReactionField = 1;
1121 >  // make an array of molecule stamps that match the components used.
1122 >  // also extract the used stamps out into a separate linked list
1123    
1124 <    if( !the_globals->haveECR() ){
1125 <      sprintf( painCave.errMsg,
1126 <               "SimSetup Warning: using default value of 1/2 the smallest "
1127 <               "box length for the electrostaticCutoffRadius.\n"
1128 <               "I hope you have a very fast processor!\n");
1129 <      painCave.isFatal = 0;
1130 <      simError();
557 <      double smallest;
558 <      smallest = simnfo->boxLx;
559 <      if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
560 <      if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
561 <      simnfo->ecr = 0.5 * smallest;
562 <    } else {
563 <      simnfo->ecr        = the_globals->getECR();
564 <    }
1124 >  for(i=0; i<nInfo; i++){
1125 >    info[i].nComponents = n_components;
1126 >    info[i].componentsNmol = components_nmol;
1127 >    info[i].compStamps = comp_stamps;
1128 >    info[i].headStamp = headStamp;
1129 >  }
1130 >  
1131  
1132 <    if( !the_globals->haveEST() ){
1133 <      sprintf( painCave.errMsg,
1134 <               "SimSetup Warning: using default value of 0.05 * the "
1135 <               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
570 <               );
571 <      painCave.isFatal = 0;
572 <      simError();
573 <      simnfo->est = 0.05 * simnfo->ecr;
574 <    } else {
575 <      simnfo->est        = the_globals->getEST();
576 <    }
1132 >  for( i=0; i<n_components; i++ ){
1133 >
1134 >    id = the_components[i]->getType();
1135 >    comp_stamps[i] = NULL;
1136      
1137 <    if(!the_globals->haveDielectric() ){
1138 <      sprintf( painCave.errMsg,
1139 <               "SimSetup Error: You are trying to use Reaction Field without"
1140 <               "setting a dielectric constant!\n"
582 <               );
583 <      painCave.isFatal = 1;
584 <      simError();
585 <    }
586 <    simnfo->dielectric = the_globals->getDielectric();  
587 <  } else {
588 <    if (usesDipoles) {
1137 >    // check to make sure the component isn't already in the list
1138 >
1139 >    comp_stamps[i] = headStamp->match( id );
1140 >    if( comp_stamps[i] == NULL ){
1141        
1142 <      if( !the_globals->haveECR() ){
591 <        sprintf( painCave.errMsg,
592 <                 "SimSetup Warning: using default value of 1/2 the smallest "
593 <                 "box length for the electrostaticCutoffRadius.\n"
594 <                 "I hope you have a very fast processor!\n");
595 <        painCave.isFatal = 0;
596 <        simError();
597 <        double smallest;
598 <        smallest = simnfo->boxLx;
599 <        if (simnfo->boxLy <= smallest) smallest = simnfo->boxLy;
600 <        if (simnfo->boxLz <= smallest) smallest = simnfo->boxLz;
601 <        simnfo->ecr = 0.5 * smallest;
602 <      } else {
603 <        simnfo->ecr        = the_globals->getECR();
604 <      }
1142 >      // extract the component from the list;
1143        
1144 <      if( !the_globals->haveEST() ){
1145 <        sprintf( painCave.errMsg,
1146 <                 "SimSetup Warning: using default value of 5%% of the "
1147 <                 "electrostaticCutoffRadius for the "
1148 <                 "electrostaticSkinThickness\n"
1149 <                 );
1150 <        painCave.isFatal = 0;
1151 <        simError();
614 <        simnfo->est = 0.05 * simnfo->ecr;
615 <      } else {
616 <        simnfo->est        = the_globals->getEST();
1144 >      currentStamp = stamps->extractMolStamp( id );
1145 >      if( currentStamp == NULL ){
1146 >        sprintf( painCave.errMsg,
1147 >                 "SimSetup error: Component \"%s\" was not found in the "
1148 >                 "list of declared molecules\n",
1149 >                 id );
1150 >        painCave.isFatal = 1;
1151 >        simError();
1152        }
1153 +      
1154 +      headStamp->add( currentStamp );
1155 +      comp_stamps[i] = headStamp->match( id );
1156      }
1157 <  }  
1157 >  }
1158  
1159   #ifdef IS_MPI
1160 <  strcpy( checkPointMsg, "electrostatic parameters check out" );
1160 >  strcpy( checkPointMsg, "Component stamps successfully extracted\n" );
1161    MPIcheckPoint();
1162   #endif // is_mpi
1163  
626 if( the_globals->haveInitialConfig() ){
627
628     InitializeFromFile* fileInit;
629 #ifdef IS_MPI // is_mpi
630     if( worldRank == 0 ){
631 #endif //is_mpi
632   fileInit = new InitializeFromFile( the_globals->getInitialConfig() );
633 #ifdef IS_MPI
634     }else fileInit = new InitializeFromFile( NULL );
635 #endif
636   fileInit->read_xyz( simnfo ); // default velocities on
1164  
1165 <   delete fileInit;
639 < }
640 < else{
1165 > }
1166  
1167 < #ifdef IS_MPI
1168 <
644 <  // no init from bass
1167 > void SimSetup::calcSysValues( void ){
1168 >  int i, j, k;
1169    
1170 <  sprintf( painCave.errMsg,
647 <           "Cannot intialize a parallel simulation without an initial configuration file.\n" );
648 <  painCave.isFatal;
649 <  simError();
1170 >  int *molMembershipArray;
1171    
1172 < #else
1173 <
1174 <  initFromBass();
1175 <
1176 <
1177 < #endif
1178 < }
1172 >  tot_atoms = 0;
1173 >  tot_bonds = 0;
1174 >  tot_bends = 0;
1175 >  tot_torsions = 0;
1176 >  for( i=0; i<n_components; i++ ){
1177 >    
1178 >    tot_atoms +=    components_nmol[i] * comp_stamps[i]->getNAtoms();
1179 >    tot_bonds +=    components_nmol[i] * comp_stamps[i]->getNBonds();
1180 >    tot_bends +=    components_nmol[i] * comp_stamps[i]->getNBends();
1181 >    tot_torsions += components_nmol[i] * comp_stamps[i]->getNTorsions();
1182 >  }
1183 >  
1184 >  tot_SRI = tot_bonds + tot_bends + tot_torsions;
1185 >  molMembershipArray = new int[tot_atoms];
1186 >  
1187 >  for(i=0; i<nInfo; i++){
1188 >    info[i].n_atoms = tot_atoms;
1189 >    info[i].n_bonds = tot_bonds;
1190 >    info[i].n_bends = tot_bends;
1191 >    info[i].n_torsions = tot_torsions;
1192 >    info[i].n_SRI = tot_SRI;
1193 >    info[i].n_mol = tot_nmol;
1194 >    
1195 >    info[i].molMembershipArray = molMembershipArray;
1196 >  }
1197 > }
1198  
1199   #ifdef IS_MPI
1200 <  strcpy( checkPointMsg, "Successfully read in the initial configuration" );
1200 >
1201 > void SimSetup::mpiMolDivide( void ){
1202 >  
1203 >  int i, j, k;
1204 >  int localMol, allMol;
1205 >  int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
1206 >
1207 >  mpiSim = new mpiSimulation( info );
1208 >  
1209 >  globalIndex = mpiSim->divideLabor();
1210 >
1211 >  // set up the local variables
1212 >  
1213 >  mol2proc = mpiSim->getMolToProcMap();
1214 >  molCompType = mpiSim->getMolComponentType();
1215 >  
1216 >  allMol = 0;
1217 >  localMol = 0;
1218 >  local_atoms = 0;
1219 >  local_bonds = 0;
1220 >  local_bends = 0;
1221 >  local_torsions = 0;
1222 >  globalAtomIndex = 0;
1223 >
1224 >
1225 >  for( i=0; i<n_components; i++ ){
1226 >
1227 >    for( j=0; j<components_nmol[i]; j++ ){
1228 >      
1229 >      if( mol2proc[allMol] == worldRank ){
1230 >        
1231 >        local_atoms +=    comp_stamps[i]->getNAtoms();
1232 >        local_bonds +=    comp_stamps[i]->getNBonds();
1233 >        local_bends +=    comp_stamps[i]->getNBends();
1234 >        local_torsions += comp_stamps[i]->getNTorsions();
1235 >        localMol++;
1236 >      }      
1237 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1238 >        info[0].molMembershipArray[globalAtomIndex] = allMol;
1239 >        globalAtomIndex++;
1240 >      }
1241 >
1242 >      allMol++;      
1243 >    }
1244 >  }
1245 >  local_SRI = local_bonds + local_bends + local_torsions;
1246 >  
1247 >  info[0].n_atoms = mpiSim->getMyNlocal();  
1248 >  
1249 >  if( local_atoms != info[0].n_atoms ){
1250 >    sprintf( painCave.errMsg,
1251 >             "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
1252 >             " localAtom (%d) are not equal.\n",
1253 >             info[0].n_atoms,
1254 >             local_atoms );
1255 >    painCave.isFatal = 1;
1256 >    simError();
1257 >  }
1258 >
1259 >  info[0].n_bonds = local_bonds;
1260 >  info[0].n_bends = local_bends;
1261 >  info[0].n_torsions = local_torsions;
1262 >  info[0].n_SRI = local_SRI;
1263 >  info[0].n_mol = localMol;
1264 >
1265 >  strcpy( checkPointMsg, "Passed nlocal consistency check." );
1266    MPIcheckPoint();
1267 + }
1268 +
1269   #endif // is_mpi
1270  
1271  
1272 <  
1273 <
667 <  
1272 > void SimSetup::makeSysArrays( void ){
1273 >  int i, j, k, l;
1274  
1275 +  Atom** the_atoms;
1276 +  Molecule* the_molecules;
1277 +  Exclude** the_excludes;
1278 +
1279    
1280 +  for(l=0; l<nInfo; l++){
1281 +    
1282 +    // create the atom and short range interaction arrays
1283 +    
1284 +    the_atoms = new Atom*[info[l].n_atoms];
1285 +    the_molecules = new Molecule[info[l].n_mol];
1286 +    int molIndex;
1287 +
1288 +    // initialize the molecule's stampID's
1289 +    
1290   #ifdef IS_MPI
671  if( worldRank == 0 ){
672 #endif // is_mpi
1291      
1292 <    if( the_globals->haveFinalConfig() ){
1293 <      strcpy( simnfo->finalName, the_globals->getFinalConfig() );
1294 <    }
1295 <    else{
1296 <      strcpy( simnfo->finalName, inFileName );
1297 <      char* endTest;
1298 <      int nameLength = strlen( simnfo->finalName );
1299 <      endTest = &(simnfo->finalName[nameLength - 5]);
1300 <      if( !strcmp( endTest, ".bass" ) ){
683 <        strcpy( endTest, ".eor" );
1292 >    
1293 >    molIndex = 0;
1294 >    for(i=0; i<mpiSim->getTotNmol(); i++){
1295 >    
1296 >      if(mol2proc[i] == worldRank ){
1297 >        the_molecules[molIndex].setStampID( molCompType[i] );
1298 >        the_molecules[molIndex].setMyIndex( molIndex );
1299 >        the_molecules[molIndex].setGlobalIndex( i );
1300 >        molIndex++;
1301        }
685      else if( !strcmp( endTest, ".BASS" ) ){
686        strcpy( endTest, ".eor" );
687      }
688      else{
689        endTest = &(simnfo->finalName[nameLength - 4]);
690        if( !strcmp( endTest, ".bss" ) ){
691          strcpy( endTest, ".eor" );
692        }
693        else if( !strcmp( endTest, ".mdl" ) ){
694          strcpy( endTest, ".eor" );
695        }
696        else{
697          strcat( simnfo->finalName, ".eor" );
698        }
699      }
1302      }
1303      
1304 <    // make the sample and status out names
1304 > #else // is_mpi
1305      
1306 <    strcpy( simnfo->sampleName, inFileName );
1307 <    char* endTest;
1308 <    int nameLength = strlen( simnfo->sampleName );
1309 <    endTest = &(simnfo->sampleName[nameLength - 5]);
1310 <    if( !strcmp( endTest, ".bass" ) ){
1311 <      strcpy( endTest, ".dump" );
1312 <    }
1313 <    else if( !strcmp( endTest, ".BASS" ) ){
1314 <      strcpy( endTest, ".dump" );
1315 <    }
1316 <    else{
1317 <      endTest = &(simnfo->sampleName[nameLength - 4]);
716 <      if( !strcmp( endTest, ".bss" ) ){
717 <        strcpy( endTest, ".dump" );
1306 >    molIndex = 0;
1307 >    globalAtomIndex = 0;
1308 >    for(i=0; i<n_components; i++){
1309 >      for(j=0; j<components_nmol[i]; j++ ){
1310 >        the_molecules[molIndex].setStampID( i );
1311 >        the_molecules[molIndex].setMyIndex( molIndex );
1312 >        the_molecules[molIndex].setGlobalIndex( molIndex );
1313 >        for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
1314 >          info[l].molMembershipArray[globalAtomIndex] = molIndex;
1315 >          globalAtomIndex++;
1316 >        }
1317 >        molIndex++;
1318        }
719      else if( !strcmp( endTest, ".mdl" ) ){
720        strcpy( endTest, ".dump" );
721      }
722      else{
723        strcat( simnfo->sampleName, ".dump" );
724      }
1319      }
1320      
1321 <    strcpy( simnfo->statusName, inFileName );
1322 <    nameLength = strlen( simnfo->statusName );
1323 <    endTest = &(simnfo->statusName[nameLength - 5]);
1324 <    if( !strcmp( endTest, ".bass" ) ){
1325 <      strcpy( endTest, ".stat" );
1326 <    }
1327 <    else if( !strcmp( endTest, ".BASS" ) ){
1328 <      strcpy( endTest, ".stat" );
1329 <    }
1330 <    else{
737 <      endTest = &(simnfo->statusName[nameLength - 4]);
738 <      if( !strcmp( endTest, ".bss" ) ){
739 <        strcpy( endTest, ".stat" );
1321 >    
1322 > #endif // is_mpi
1323 >
1324 >
1325 >    if( info[l].n_SRI ){
1326 >    
1327 >      Exclude::createArray(info[l].n_SRI);
1328 >      the_excludes = new Exclude*[info[l].n_SRI];
1329 >      for( int ex=0; ex<info[l].n_SRI; ex++){
1330 >        the_excludes[ex] = new Exclude(ex);
1331        }
1332 <      else if( !strcmp( endTest, ".mdl" ) ){
1333 <        strcpy( endTest, ".stat" );
743 <      }
744 <      else{
745 <        strcat( simnfo->statusName, ".stat" );
746 <      }
1332 >      info[l].globalExcludes = new int;
1333 >      info[l].n_exclude = info[l].n_SRI;
1334      }
1335 +    else{
1336      
1337 < #ifdef IS_MPI
1338 <  }
1339 < #endif // is_mpi
1340 <  
1341 <  // set the status, sample, and themal kick times
1342 <  
1343 <  if( the_globals->haveSampleTime() ){
1344 <    simnfo->sampleTime = the_globals->getSampleTime();
757 <    simnfo->statusTime = simnfo->sampleTime;
758 <    simnfo->thermalTime = simnfo->sampleTime;
759 <  }
760 <  else{
761 <    simnfo->sampleTime = the_globals->getRunTime();
762 <    simnfo->statusTime = simnfo->sampleTime;
763 <    simnfo->thermalTime = simnfo->sampleTime;
764 <  }
1337 >      Exclude::createArray( 1 );
1338 >      the_excludes = new Exclude*;
1339 >      the_excludes[0] = new Exclude(0);
1340 >      the_excludes[0]->setPair( 0,0 );
1341 >      info[l].globalExcludes = new int;
1342 >      info[l].globalExcludes[0] = 0;
1343 >      info[l].n_exclude = 0;
1344 >    }
1345  
1346 <  if( the_globals->haveStatusTime() ){
767 <    simnfo->statusTime = the_globals->getStatusTime();
768 <  }
1346 >    // set the arrays into the SimInfo object
1347  
1348 <  if( the_globals->haveThermalTime() ){
1349 <    simnfo->thermalTime = the_globals->getThermalTime();
1348 >    info[l].atoms = the_atoms;
1349 >    info[l].molecules = the_molecules;
1350 >    info[l].nGlobalExcludes = 0;
1351 >    info[l].excludes = the_excludes;
1352 >
1353 >    the_ff->setSimInfo( info );
1354 >    
1355    }
1356 + }
1357  
1358 <  // check for the temperature set flag
1358 > void SimSetup::makeIntegrator( void ){
1359  
1360 <  if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
1360 >  int k;
1361  
1362 +  NVT<RealIntegrator>*  myNVT = NULL;
1363 +  NPTi<RealIntegrator>* myNPTi = NULL;
1364 +  NPTf<RealIntegrator>* myNPTf = NULL;
1365 +  NPTim<RealIntegrator>* myNPTim = NULL;
1366 +  NPTfm<RealIntegrator>* myNPTfm = NULL;
1367 +        
1368 +  for(k=0; k<nInfo; k++){
1369 +    
1370 +    switch( ensembleCase ){
1371 +      
1372 +    case NVE_ENS:
1373 +        if (globals->haveZconstraints()){
1374 +         setupZConstraint(info[k]);
1375 +           new ZConstraint<NVE<RealIntegrator> >( &(info[k]), the_ff );
1376 +        }
1377  
1378 <  // make the integrator
1379 <  
1380 <  
1381 <  NVT* myNVT = NULL;
1382 <  switch( ensembleCase ){
1378 >        else
1379 >        new NVE<RealIntegrator>( &(info[k]), the_ff );
1380 >      break;
1381 >      
1382 >    case NVT_ENS:
1383 >        if (globals->haveZconstraints()){
1384 >         setupZConstraint(info[k]);
1385 >           myNVT = new ZConstraint<NVT<RealIntegrator> >( &(info[k]), the_ff );
1386 >        }
1387 >        else
1388 >        myNVT = new NVT<RealIntegrator>( &(info[k]), the_ff );
1389  
1390 <  case NVE_ENS:
1391 <    new NVE( simnfo, the_ff );
1392 <    break;
1390 >      myNVT->setTargetTemp(globals->getTargetTemp());
1391 >      
1392 >      if (globals->haveTauThermostat())
1393 >        myNVT->setTauThermostat(globals->getTauThermostat());
1394 >      
1395 >      else {
1396 >        sprintf( painCave.errMsg,
1397 >                 "SimSetup error: If you use the NVT\n"
1398 >                 "    ensemble, you must set tauThermostat.\n");
1399 >        painCave.isFatal = 1;
1400 >        simError();
1401 >      }
1402 >      break;
1403 >      
1404 >    case NPTi_ENS:
1405 >        if (globals->haveZconstraints()){
1406 >         setupZConstraint(info[k]);
1407 >           myNPTi = new ZConstraint<NPTi<RealIntegrator> >( &(info[k]), the_ff );
1408 >        }
1409 >        else
1410 >        myNPTi = new NPTi<RealIntegrator>( &(info[k]), the_ff );
1411  
1412 <  case NVT_ENS:
1413 <    myNVT = new NVT( simnfo, the_ff );
1414 <    myNVT->setTargetTemp(the_globals->getTargetTemp());
1415 <
1416 <    if (the_globals->haveTauThermostat())
1417 <      myNVT->setTauThermostat(the_globals->getTauThermostat());
1418 < //     else if (the_globals->haveQmass())
1419 < //       myNVT->setQmass(the_globals->getQmass());
1420 <    else {
1412 >        myNPTi->setTargetTemp( globals->getTargetTemp() );
1413 >      
1414 >      if (globals->haveTargetPressure())
1415 >        myNPTi->setTargetPressure(globals->getTargetPressure());
1416 >      else {
1417 >        sprintf( painCave.errMsg,
1418 >                 "SimSetup error: If you use a constant pressure\n"
1419 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1420 >        painCave.isFatal = 1;
1421 >        simError();
1422 >      }
1423 >      
1424 >      if( globals->haveTauThermostat() )
1425 >        myNPTi->setTauThermostat( globals->getTauThermostat() );
1426 >      else{
1427 >        sprintf( painCave.errMsg,
1428 >                 "SimSetup error: If you use an NPT\n"
1429 >                 "    ensemble, you must set tauThermostat.\n");
1430 >        painCave.isFatal = 1;
1431 >        simError();
1432 >      }
1433 >      
1434 >      if( globals->haveTauBarostat() )
1435 >        myNPTi->setTauBarostat( globals->getTauBarostat() );
1436 >      else{
1437 >        sprintf( painCave.errMsg,
1438 >                 "SimSetup error: If you use an NPT\n"
1439 >                 "    ensemble, you must set tauBarostat.\n");
1440 >        painCave.isFatal = 1;
1441 >        simError();
1442 >      }
1443 >      break;
1444 >      
1445 >    case NPTf_ENS:
1446 >        if (globals->haveZconstraints()){
1447 >         setupZConstraint(info[k]);
1448 >           myNPTf = new ZConstraint<NPTf<RealIntegrator> >( &(info[k]), the_ff );
1449 >        }
1450 >        else
1451 >        myNPTf = new NPTf<RealIntegrator>( &(info[k]), the_ff );
1452 >
1453 >      myNPTf->setTargetTemp( globals->getTargetTemp());
1454 >      
1455 >      if (globals->haveTargetPressure())
1456 >        myNPTf->setTargetPressure(globals->getTargetPressure());
1457 >      else {
1458 >        sprintf( painCave.errMsg,
1459 >                 "SimSetup error: If you use a constant pressure\n"
1460 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1461 >        painCave.isFatal = 1;
1462 >        simError();
1463 >      }    
1464 >      
1465 >      if( globals->haveTauThermostat() )
1466 >        myNPTf->setTauThermostat( globals->getTauThermostat() );
1467 >      else{
1468 >        sprintf( painCave.errMsg,
1469 >                 "SimSetup error: If you use an NPT\n"
1470 >               "    ensemble, you must set tauThermostat.\n");
1471 >        painCave.isFatal = 1;
1472 >        simError();
1473 >      }
1474 >      
1475 >      if( globals->haveTauBarostat() )
1476 >        myNPTf->setTauBarostat( globals->getTauBarostat() );
1477 >      else{
1478 >        sprintf( painCave.errMsg,
1479 >                 "SimSetup error: If you use an NPT\n"
1480 >                 "    ensemble, you must set tauBarostat.\n");
1481 >        painCave.isFatal = 1;
1482 >        simError();
1483 >      }
1484 >      break;
1485 >      
1486 >    case NPTim_ENS:
1487 >        if (globals->haveZconstraints()){
1488 >         setupZConstraint(info[k]);
1489 >           myNPTim = new ZConstraint<NPTim<RealIntegrator> >( &(info[k]), the_ff );
1490 >        }
1491 >        else
1492 >        myNPTim = new NPTim<RealIntegrator>( &(info[k]), the_ff );
1493 >
1494 >        myNPTim->setTargetTemp( globals->getTargetTemp());
1495 >      
1496 >      if (globals->haveTargetPressure())
1497 >        myNPTim->setTargetPressure(globals->getTargetPressure());
1498 >      else {
1499 >        sprintf( painCave.errMsg,
1500 >                 "SimSetup error: If you use a constant pressure\n"
1501 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1502 >        painCave.isFatal = 1;
1503 >        simError();
1504 >      }
1505 >      
1506 >      if( globals->haveTauThermostat() )
1507 >        myNPTim->setTauThermostat( globals->getTauThermostat() );
1508 >      else{
1509 >        sprintf( painCave.errMsg,
1510 >                 "SimSetup error: If you use an NPT\n"
1511 >                 "    ensemble, you must set tauThermostat.\n");
1512 >        painCave.isFatal = 1;
1513 >        simError();
1514 >      }
1515 >      
1516 >      if( globals->haveTauBarostat() )
1517 >        myNPTim->setTauBarostat( globals->getTauBarostat() );
1518 >      else{
1519        sprintf( painCave.errMsg,
1520 <               "SimSetup error: If you use the NVT\n"
1521 <               "    ensemble, you must set either tauThermostat or qMass.\n"
801 <               "    Neither of these was found in the BASS file.\n");
1520 >               "SimSetup error: If you use an NPT\n"
1521 >               "    ensemble, you must set tauBarostat.\n");
1522        painCave.isFatal = 1;
1523        simError();
1524 <    }
1525 <    break;
1524 >      }
1525 >      break;
1526 >      
1527 >    case NPTfm_ENS:
1528 >        if (globals->haveZconstraints()){
1529 >         setupZConstraint(info[k]);
1530 >           myNPTfm = new ZConstraint<NPTfm<RealIntegrator> >( &(info[k]), the_ff );
1531 >        }
1532 >        else
1533 >        myNPTfm = new NPTfm<RealIntegrator>( &(info[k]), the_ff );
1534  
1535 <  default:
1536 <    sprintf( painCave.errMsg,
1537 <             "SimSetup Error. Unrecognized ensemble in case statement.\n");
1538 <    painCave.isFatal = 1;
1539 <    simError();
1535 >        myNPTfm->setTargetTemp( globals->getTargetTemp());
1536 >      
1537 >      if (globals->haveTargetPressure())
1538 >        myNPTfm->setTargetPressure(globals->getTargetPressure());
1539 >      else {
1540 >        sprintf( painCave.errMsg,
1541 >                 "SimSetup error: If you use a constant pressure\n"
1542 >                 "    ensemble, you must set targetPressure in the BASS file.\n");
1543 >        painCave.isFatal = 1;
1544 >        simError();
1545 >      }
1546 >      
1547 >      if( globals->haveTauThermostat() )
1548 >        myNPTfm->setTauThermostat( globals->getTauThermostat() );
1549 >      else{
1550 >        sprintf( painCave.errMsg,
1551 >                 "SimSetup error: If you use an NPT\n"
1552 >                 "    ensemble, you must set tauThermostat.\n");
1553 >        painCave.isFatal = 1;
1554 >        simError();
1555 >      }
1556 >      
1557 >      if( globals->haveTauBarostat() )
1558 >        myNPTfm->setTauBarostat( globals->getTauBarostat() );
1559 >      else{
1560 >        sprintf( painCave.errMsg,
1561 >                 "SimSetup error: If you use an NPT\n"
1562 >                 "    ensemble, you must set tauBarostat.\n");
1563 >        painCave.isFatal = 1;
1564 >        simError();
1565 >      }
1566 >      break;
1567 >      
1568 >    default:
1569 >      sprintf( painCave.errMsg,
1570 >               "SimSetup Error. Unrecognized ensemble in case statement.\n");
1571 >      painCave.isFatal = 1;
1572 >      simError();
1573 >    }
1574    }
1575 + }
1576  
1577 + void SimSetup::initFortran( void ){
1578  
1579 < #ifdef IS_MPI
816 <  mpiSim->mpiRefresh();
817 < #endif
818 <
819 <  // initialize the Fortran
820 <
821 <
822 <  simnfo->refreshSim();
1579 >  info[0].refreshSim();
1580    
1581 <  if( !strcmp( simnfo->mixingRule, "standard") ){
1581 >  if( !strcmp( info[0].mixingRule, "standard") ){
1582      the_ff->initForceField( LB_MIXING_RULE );
1583    }
1584 <  else if( !strcmp( simnfo->mixingRule, "explicit") ){
1584 >  else if( !strcmp( info[0].mixingRule, "explicit") ){
1585      the_ff->initForceField( EXPLICIT_MIXING_RULE );
1586    }
1587    else{
1588      sprintf( painCave.errMsg,
1589               "SimSetup Error: unknown mixing rule -> \"%s\"\n",
1590 <             simnfo->mixingRule );
1590 >             info[0].mixingRule );
1591      painCave.isFatal = 1;
1592      simError();
1593    }
# Line 841 | Line 1598 | void SimSetup::createSim( void ){
1598            "Successfully intialized the mixingRule for Fortran." );
1599    MPIcheckPoint();
1600   #endif // is_mpi
1601 +
1602   }
1603  
1604 + void SimSetup::setupZConstraint(SimInfo& theInfo)
1605 + {
1606 +    int nZConstraints;
1607 +    ZconStamp** zconStamp;
1608 +        
1609 +    if(globals->haveZconstraintTime()){  
1610 +      
1611 +      //add sample time of z-constraint  into SimInfo's property list                    
1612 +      DoubleData* zconsTimeProp = new DoubleData();
1613 +      zconsTimeProp->setID(ZCONSTIME_ID);
1614 +      zconsTimeProp->setData(globals->getZconsTime());
1615 +      theInfo.addProperty(zconsTimeProp);
1616 +    }
1617 +    else{
1618 +      sprintf( painCave.errMsg,
1619 +               "ZConstraint error: If you use an ZConstraint\n"
1620 +               " , you must set sample time.\n");
1621 +      painCave.isFatal = 1;
1622 +      simError();      
1623 +    }
1624  
1625 < void SimSetup::makeMolecules( void ){
1625 >    //
1626 >    nZConstraints = globals->getNzConstraints();
1627 >    zconStamp = globals->getZconStamp();
1628 >    ZConsParaItem tempParaItem;
1629  
1630 <  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
1631 <  molInit info;
1632 <  DirectionalAtom* dAtom;
1633 <  LinkedAssign* extras;
1634 <  LinkedAssign* current_extra;
1635 <  AtomStamp* currentAtom;
1636 <  BondStamp* currentBond;
1637 <  BendStamp* currentBend;
857 <  TorsionStamp* currentTorsion;
1630 >    ZConsParaData* zconsParaData = new ZConsParaData();
1631 >    zconsParaData->setID(ZCONSPARADATA_ID);
1632 >  
1633 >    for(int i = 0; i < nZConstraints; i++){
1634 >    tempParaItem.havingZPos = zconStamp[i]->haveZpos();
1635 >    tempParaItem.zPos = zconStamp[i]->getZpos();
1636 >    tempParaItem.zconsIndex = zconStamp[i]->getMolIndex();
1637 >    tempParaItem.kRatio = zconStamp[i]->getKratio();
1638  
1639 <  bond_pair* theBonds;
1640 <  bend_set* theBends;
861 <  torsion_set* theTorsions;
1639 >    zconsParaData->addItem(tempParaItem);
1640 >    }
1641  
1642 <  
1643 <  //init the forceField paramters
1642 >    //sort the parameters by index of molecules
1643 >    zconsParaData->sortByIndex();
1644 >        
1645 >    //push data into siminfo, therefore, we can retrieve later
1646 >    theInfo.addProperty(zconsParaData);
1647  
1648 <  the_ff->readParams();
1648 >    //push zconsTol into siminfo, if user does not specify
1649 >    //value for zconsTol, a default value will be used
1650 >    DoubleData* zconsTol = new DoubleData();
1651 >    zconsTol->setID(ZCONSTOL_ID);
1652 >    if(globals->haveZconsTol()){
1653 >      zconsTol->setData(globals->getZconsTol());
1654 >    }
1655 >         else{
1656 >                double defaultZConsTol = 1E-6;
1657 >      sprintf( painCave.errMsg,
1658 >               "ZConstraint Waring: Tolerance for z-constraint methodl is not specified\n"
1659 >               " , default value %f is used.\n", defaultZConsTol);
1660 >      painCave.isFatal = 0;
1661 >      simError();      
1662  
1663 <  
1664 <  // init the atoms
1665 <
1666 <  double ux, uy, uz, u, uSqr;
1667 <  
1668 <  atomOffset = 0;
1669 <  excludeOffset = 0;
875 <  for(i=0; i<simnfo->n_mol; i++){
1663 >      zconsTol->setData(defaultZConsTol);
1664 >         }
1665 >    theInfo.addProperty(zconsTol);
1666 >        
1667 >    //Determine the name of ouput file and add it into SimInfo's property list
1668 >    //Be careful, do not use inFileName, since it is a pointer which
1669 >    //point to a string at master node, and slave nodes do not contain that string
1670      
1671 <    stampID = the_molecules[i].getStampID();
878 <
879 <    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
880 <    info.nBonds    = comp_stamps[stampID]->getNBonds();
881 <    info.nBends    = comp_stamps[stampID]->getNBends();
882 <    info.nTorsions = comp_stamps[stampID]->getNTorsions();
883 <    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
884 <
885 <    info.myAtoms = &the_atoms[atomOffset];
886 <    info.myExcludes = &the_excludes[excludeOffset];
887 <    info.myBonds = new Bond*[info.nBonds];
888 <    info.myBends = new Bend*[info.nBends];
889 <    info.myTorsions = new Torsion*[info.nTorsions];
890 <
891 <    theBonds = new bond_pair[info.nBonds];
892 <    theBends = new bend_set[info.nBends];
893 <    theTorsions = new torsion_set[info.nTorsions];
1671 >    string zconsOutput(theInfo.finalName);
1672      
1673 <    // make the Atoms
1673 >    zconsOutput = zconsOutput.substr(0, zconsOutput.rfind(".")) + ".fz";
1674      
1675 <    for(j=0; j<info.nAtoms; j++){
1676 <      
1677 <      currentAtom = comp_stamps[stampID]->getAtom( j );
900 <      if( currentAtom->haveOrientation() ){
901 <        
902 <        dAtom = new DirectionalAtom(j + atomOffset);
903 <        simnfo->n_oriented++;
904 <        info.myAtoms[j] = dAtom;
905 <        
906 <        ux = currentAtom->getOrntX();
907 <        uy = currentAtom->getOrntY();
908 <        uz = currentAtom->getOrntZ();
909 <        
910 <        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
911 <        
912 <        u = sqrt( uSqr );
913 <        ux = ux / u;
914 <        uy = uy / u;
915 <        uz = uz / u;
916 <        
917 <        dAtom->setSUx( ux );
918 <        dAtom->setSUy( uy );
919 <        dAtom->setSUz( uz );
920 <      }
921 <      else{
922 <        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
923 <      }
924 <      info.myAtoms[j]->setType( currentAtom->getType() );
1675 >    StringData* zconsFilename = new StringData();
1676 >    zconsFilename->setID(ZCONSFILENAME_ID);
1677 >    zconsFilename->setData(zconsOutput);
1678      
1679 < #ifdef IS_MPI
927 <      
928 <      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
929 <      
930 < #endif // is_mpi
931 <    }
932 <    
933 <    // make the bonds
934 <    for(j=0; j<info.nBonds; j++){
935 <      
936 <      currentBond = comp_stamps[stampID]->getBond( j );
937 <      theBonds[j].a = currentBond->getA() + atomOffset;
938 <      theBonds[j].b = currentBond->getB() + atomOffset;
939 <
940 <      exI = theBonds[j].a;
941 <      exJ = theBonds[j].b;
942 <
943 <      // exclude_I must always be the smaller of the pair
944 <      if( exI > exJ ){
945 <        tempEx = exI;
946 <        exI = exJ;
947 <        exJ = tempEx;
948 <      }
949 < #ifdef IS_MPI
950 <      tempEx = exI;
951 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
952 <      tempEx = exJ;
953 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
954 <      
955 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
956 < #else  // isn't MPI
957 <
958 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
959 < #endif  //is_mpi
960 <    }
961 <    excludeOffset += info.nBonds;
962 <
963 <    //make the bends
964 <    for(j=0; j<info.nBends; j++){
965 <      
966 <      currentBend = comp_stamps[stampID]->getBend( j );
967 <      theBends[j].a = currentBend->getA() + atomOffset;
968 <      theBends[j].b = currentBend->getB() + atomOffset;
969 <      theBends[j].c = currentBend->getC() + atomOffset;
970 <          
971 <      if( currentBend->haveExtras() ){
972 <            
973 <        extras = currentBend->getExtras();
974 <        current_extra = extras;
975 <            
976 <        while( current_extra != NULL ){
977 <          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
978 <                
979 <            switch( current_extra->getType() ){
980 <              
981 <            case 0:
982 <              theBends[j].ghost =
983 <                current_extra->getInt() + atomOffset;
984 <              theBends[j].isGhost = 1;
985 <              break;
986 <                  
987 <            case 1:
988 <              theBends[j].ghost =
989 <                (int)current_extra->getDouble() + atomOffset;
990 <              theBends[j].isGhost = 1;
991 <              break;
992 <              
993 <            default:
994 <              sprintf( painCave.errMsg,
995 <                       "SimSetup Error: ghostVectorSource was neither a "
996 <                       "double nor an int.\n"
997 <                       "-->Bend[%d] in %s\n",
998 <                       j, comp_stamps[stampID]->getID() );
999 <              painCave.isFatal = 1;
1000 <              simError();
1001 <            }
1002 <          }
1003 <          
1004 <          else{
1005 <            
1006 <            sprintf( painCave.errMsg,
1007 <                     "SimSetup Error: unhandled bend assignment:\n"
1008 <                     "    -->%s in Bend[%d] in %s\n",
1009 <                     current_extra->getlhs(),
1010 <                     j, comp_stamps[stampID]->getID() );
1011 <            painCave.isFatal = 1;
1012 <            simError();
1013 <          }
1014 <          
1015 <          current_extra = current_extra->getNext();
1016 <        }
1017 <      }
1018 <          
1019 <      if( !theBends[j].isGhost ){
1020 <            
1021 <        exI = theBends[j].a;
1022 <        exJ = theBends[j].c;
1023 <      }
1024 <      else{
1025 <        
1026 <        exI = theBends[j].a;
1027 <        exJ = theBends[j].b;
1028 <      }
1029 <      
1030 <      // exclude_I must always be the smaller of the pair
1031 <      if( exI > exJ ){
1032 <        tempEx = exI;
1033 <        exI = exJ;
1034 <        exJ = tempEx;
1035 <      }
1036 < #ifdef IS_MPI
1037 <      tempEx = exI;
1038 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1039 <      tempEx = exJ;
1040 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1041 <      
1042 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1043 < #else  // isn't MPI
1044 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1045 < #endif  //is_mpi
1046 <    }
1047 <    excludeOffset += info.nBends;
1048 <
1049 <    for(j=0; j<info.nTorsions; j++){
1050 <      
1051 <      currentTorsion = comp_stamps[stampID]->getTorsion( j );
1052 <      theTorsions[j].a = currentTorsion->getA() + atomOffset;
1053 <      theTorsions[j].b = currentTorsion->getB() + atomOffset;
1054 <      theTorsions[j].c = currentTorsion->getC() + atomOffset;
1055 <      theTorsions[j].d = currentTorsion->getD() + atomOffset;
1056 <      
1057 <      exI = theTorsions[j].a;
1058 <      exJ = theTorsions[j].d;
1059 <
1060 <      // exclude_I must always be the smaller of the pair
1061 <      if( exI > exJ ){
1062 <        tempEx = exI;
1063 <        exI = exJ;
1064 <        exJ = tempEx;
1065 <      }
1066 < #ifdef IS_MPI
1067 <      tempEx = exI;
1068 <      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1069 <      tempEx = exJ;
1070 <      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1071 <      
1072 <      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1073 < #else  // isn't MPI
1074 <      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1075 < #endif  //is_mpi
1076 <    }
1077 <    excludeOffset += info.nTorsions;
1078 <
1079 <    
1080 <    // send the arrays off to the forceField for init.
1081 <
1082 <    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1083 <    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1084 <    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1085 <    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1086 <
1087 <
1088 <    the_molecules[i].initialize( info );
1089 <
1090 <
1091 <    atomOffset += info.nAtoms;
1092 <    delete[] theBonds;
1093 <    delete[] theBends;
1094 <    delete[] theTorsions;
1095 <  }
1096 <
1097 < #ifdef IS_MPI
1098 <  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1099 <  MPIcheckPoint();
1100 < #endif // is_mpi
1101 <
1102 <  // clean up the forcefield
1103 <  the_ff->calcRcut();
1104 <  the_ff->cleanMe();
1105 <
1679 >    theInfo.addProperty(zconsFilename);      
1680   }
1107
1108 void SimSetup::initFromBass( void ){
1109
1110  int i, j, k;
1111  int n_cells;
1112  double cellx, celly, cellz;
1113  double temp1, temp2, temp3;
1114  int n_per_extra;
1115  int n_extra;
1116  int have_extra, done;
1117
1118  temp1 = (double)tot_nmol / 4.0;
1119  temp2 = pow( temp1, ( 1.0 / 3.0 ) );
1120  temp3 = ceil( temp2 );
1121
1122  have_extra =0;
1123  if( temp2 < temp3 ){ // we have a non-complete lattice
1124    have_extra =1;
1125
1126    n_cells = (int)temp3 - 1;
1127    cellx = simnfo->boxLx / temp3;
1128    celly = simnfo->boxLy / temp3;
1129    cellz = simnfo->boxLz / temp3;
1130    n_extra = tot_nmol - ( 4 * n_cells * n_cells * n_cells );
1131    temp1 = ((double)n_extra) / ( pow( temp3, 3.0 ) - pow( n_cells, 3.0 ) );
1132    n_per_extra = (int)ceil( temp1 );
1133
1134    if( n_per_extra > 4){
1135      sprintf( painCave.errMsg,
1136               "SimSetup error. There has been an error in constructing"
1137               " the non-complete lattice.\n" );
1138      painCave.isFatal = 1;
1139      simError();
1140    }
1141  }
1142  else{
1143    n_cells = (int)temp3;
1144    cellx = simnfo->boxLx / temp3;
1145    celly = simnfo->boxLy / temp3;
1146    cellz = simnfo->boxLz / temp3;
1147  }
1148
1149  current_mol = 0;
1150  current_comp_mol = 0;
1151  current_comp = 0;
1152  current_atom_ndx = 0;
1153
1154  for( i=0; i < n_cells ; i++ ){
1155    for( j=0; j < n_cells; j++ ){
1156      for( k=0; k < n_cells; k++ ){
1157
1158        makeElement( i * cellx,
1159                     j * celly,
1160                     k * cellz );
1161
1162        makeElement( i * cellx + 0.5 * cellx,
1163                     j * celly + 0.5 * celly,
1164                     k * cellz );
1165
1166        makeElement( i * cellx,
1167                     j * celly + 0.5 * celly,
1168                     k * cellz + 0.5 * cellz );
1169
1170        makeElement( i * cellx + 0.5 * cellx,
1171                     j * celly,
1172                     k * cellz + 0.5 * cellz );
1173      }
1174    }
1175  }
1176
1177  if( have_extra ){
1178    done = 0;
1179
1180    int start_ndx;
1181    for( i=0; i < (n_cells+1) && !done; i++ ){
1182      for( j=0; j < (n_cells+1) && !done; j++ ){
1183
1184        if( i < n_cells ){
1185
1186          if( j < n_cells ){
1187            start_ndx = n_cells;
1188          }
1189          else start_ndx = 0;
1190        }
1191        else start_ndx = 0;
1192
1193        for( k=start_ndx; k < (n_cells+1) && !done; k++ ){
1194
1195          makeElement( i * cellx,
1196                       j * celly,
1197                       k * cellz );
1198          done = ( current_mol >= tot_nmol );
1199
1200          if( !done && n_per_extra > 1 ){
1201            makeElement( i * cellx + 0.5 * cellx,
1202                         j * celly + 0.5 * celly,
1203                         k * cellz );
1204            done = ( current_mol >= tot_nmol );
1205          }
1206
1207          if( !done && n_per_extra > 2){
1208            makeElement( i * cellx,
1209                         j * celly + 0.5 * celly,
1210                         k * cellz + 0.5 * cellz );
1211            done = ( current_mol >= tot_nmol );
1212          }
1213
1214          if( !done && n_per_extra > 3){
1215            makeElement( i * cellx + 0.5 * cellx,
1216                         j * celly,
1217                         k * cellz + 0.5 * cellz );
1218            done = ( current_mol >= tot_nmol );
1219          }
1220        }
1221      }
1222    }
1223  }
1224
1225
1226  for( i=0; i<simnfo->n_atoms; i++ ){
1227    simnfo->atoms[i]->set_vx( 0.0 );
1228    simnfo->atoms[i]->set_vy( 0.0 );
1229    simnfo->atoms[i]->set_vz( 0.0 );
1230  }
1231 }
1232
1233 void SimSetup::makeElement( double x, double y, double z ){
1234
1235  int k;
1236  AtomStamp* current_atom;
1237  DirectionalAtom* dAtom;
1238  double rotMat[3][3];
1239
1240  for( k=0; k<comp_stamps[current_comp]->getNAtoms(); k++ ){
1241
1242    current_atom = comp_stamps[current_comp]->getAtom( k );
1243    if( !current_atom->havePosition() ){
1244      sprintf( painCave.errMsg,
1245               "SimSetup:initFromBass error.\n"
1246               "\tComponent %s, atom %s does not have a position specified.\n"
1247               "\tThe initialization routine is unable to give a start"
1248               " position.\n",
1249               comp_stamps[current_comp]->getID(),
1250               current_atom->getType() );
1251      painCave.isFatal = 1;
1252      simError();
1253    }
1254
1255    the_atoms[current_atom_ndx]->setX( x + current_atom->getPosX() );
1256    the_atoms[current_atom_ndx]->setY( y + current_atom->getPosY() );
1257    the_atoms[current_atom_ndx]->setZ( z + current_atom->getPosZ() );
1258
1259    if( the_atoms[current_atom_ndx]->isDirectional() ){
1260
1261      dAtom = (DirectionalAtom *)the_atoms[current_atom_ndx];
1262
1263      rotMat[0][0] = 1.0;
1264      rotMat[0][1] = 0.0;
1265      rotMat[0][2] = 0.0;
1266
1267      rotMat[1][0] = 0.0;
1268      rotMat[1][1] = 1.0;
1269      rotMat[1][2] = 0.0;
1270
1271      rotMat[2][0] = 0.0;
1272      rotMat[2][1] = 0.0;
1273      rotMat[2][2] = 1.0;
1274
1275      dAtom->setA( rotMat );
1276    }
1277
1278    current_atom_ndx++;
1279  }
1280
1281  current_mol++;
1282  current_comp_mol++;
1283
1284  if( current_comp_mol >= components_nmol[current_comp] ){
1285
1286    current_comp_mol = 0;
1287    current_comp++;
1288  }
1289 }

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