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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 378 by mmeineke, Fri Mar 21 17:42:12 2003 UTC vs.
Revision 491 by mmeineke, Fri Apr 11 18:46:37 2003 UTC

# Line 66 | Line 66 | void SimSetup::createSim( void ){
66  
67    MakeStamps *the_stamps;
68    Globals* the_globals;
69 <  int i, j;
69 >  ExtendedSystem* the_extendedsystem;
70 >  int i, j, k, globalAtomIndex;
71  
72    // get the stamps and globals;
73    the_stamps = stamps;
# Line 80 | Line 81 | void SimSetup::createSim( void ){
81    // get the ones we know are there, yet still may need some work.
82    n_components = the_globals->getNComponents();
83    strcpy( force_field, the_globals->getForceField() );
84 +
85 +  // get the ensemble and set up an extended system if we need it:
86    strcpy( ensemble, the_globals->getEnsemble() );
87 +  if( !strcasecmp( ensemble, "NPT" ) ) {
88 +    the_extendedsystem = new ExtendedSystem( simnfo );
89 +    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
90 +    if (the_globals->haveTargetPressure())
91 +      the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
92 +    else {
93 +      sprintf( painCave.errMsg,
94 +               "SimSetup error: If you use the constant pressure\n"
95 +               "    ensemble, you must set targetPressure.\n"
96 +               "    This was found in the BASS file.\n");
97 +      painCave.isFatal = 1;
98 +      simError();
99 +    }
100 +
101 +    if (the_globals->haveTauThermostat())
102 +      the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
103 +    else if (the_globals->haveQmass())
104 +      the_extendedsystem->setQmass(the_globals->getQmass());
105 +    else {
106 +      sprintf( painCave.errMsg,
107 +               "SimSetup error: If you use one of the constant temperature\n"
108 +               "    ensembles, you must set either tauThermostat or qMass.\n"
109 +               "    Neither of these was found in the BASS file.\n");
110 +      painCave.isFatal = 1;
111 +      simError();
112 +    }
113 +
114 +    if (the_globals->haveTauBarostat())
115 +      the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
116 +    else {
117 +      sprintf( painCave.errMsg,
118 +               "SimSetup error: If you use the constant pressure\n"
119 +               "    ensemble, you must set tauBarostat.\n"
120 +               "    This was found in the BASS file.\n");
121 +      painCave.isFatal = 1;
122 +      simError();
123 +    }
124 +
125 +  } else if ( !strcasecmp( ensemble, "NVT") ) {
126 +    the_extendedsystem = new ExtendedSystem( simnfo );
127 +    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
128 +
129 +    if (the_globals->haveTauThermostat())
130 +      the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
131 +    else if (the_globals->haveQmass())
132 +      the_extendedsystem->setQmass(the_globals->getQmass());
133 +    else {
134 +      sprintf( painCave.errMsg,
135 +               "SimSetup error: If you use one of the constant temperature\n"
136 +               "    ensembles, you must set either tauThermostat or qMass.\n"
137 +               "    Neither of these was found in the BASS file.\n");
138 +      painCave.isFatal = 1;
139 +      simError();
140 +    }
141 +
142 +  } else if ( !strcasecmp( ensemble, "NVE") ) {
143 +  } else {
144 +    sprintf( painCave.errMsg,
145 +             "SimSetup Warning. Unrecognized Ensemble -> %s, "
146 +             "reverting to NVE for this simulation.\n",
147 +             ensemble );
148 +    painCave.isFatal = 0;
149 +    simError();
150 +    strcpy( ensemble, "NVE" );
151 +  }  
152    strcpy( simnfo->ensemble, ensemble );
153  
154    strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
155    simnfo->usePBC = the_globals->getPBC();
156            
157 <
158 <
159 <  if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
160 <  else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
161 <  else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
162 <  else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
157 >  int usesDipoles = 0;
158 >  if( !strcmp( force_field, "TraPPE_Ex" ) ){
159 >    the_ff = new TraPPE_ExFF();
160 >    usesDipoles = 1;
161 >  }
162 >  else if( !strcasecmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
163    else{
164      sprintf( painCave.errMsg,
165               "SimSetup Error. Unrecognized force field -> %s\n",
# Line 230 | Line 298 | void SimSetup::createSim( void ){
298    simnfo->n_torsions = tot_torsions;
299    simnfo->n_SRI = tot_SRI;
300    simnfo->n_mol = tot_nmol;
233
301    
302 +  simnfo->molMembershipArray = new int[tot_atoms];
303 +
304   #ifdef IS_MPI
305  
306    // divide the molecules among processors here.
307    
308    mpiSim = new mpiSimulation( simnfo );
309    
241  
242
310    globalIndex = mpiSim->divideLabor();
311  
245
246
312    // set up the local variables
313    
314    int localMol, allMol;
315    int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
316 +
317 +  int* mol2proc = mpiSim->getMolToProcMap();
318 +  int* molCompType = mpiSim->getMolComponentType();
319    
320    allMol = 0;
321    localMol = 0;
# Line 255 | Line 323 | void SimSetup::createSim( void ){
323    local_bonds = 0;
324    local_bends = 0;
325    local_torsions = 0;
326 +  globalAtomIndex = 0;
327 +
328 +
329    for( i=0; i<n_components; i++ ){
330  
331      for( j=0; j<components_nmol[i]; j++ ){
332        
333 <      if( mpiSim->getMyMolStart() <= allMol &&
263 <          allMol <= mpiSim->getMyMolEnd() ){
333 >      if( mol2proc[allMol] == worldRank ){
334          
335          local_atoms +=    comp_stamps[i]->getNAtoms();
336          local_bonds +=    comp_stamps[i]->getNBonds();
# Line 268 | Line 338 | void SimSetup::createSim( void ){
338          local_torsions += comp_stamps[i]->getNTorsions();
339          localMol++;
340        }      
341 <      allMol++;
341 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
342 >        simnfo->molMembershipArray[globalAtomIndex] = allMol;
343 >        globalAtomIndex++;
344 >      }
345 >
346 >      allMol++;      
347      }
348    }
349    local_SRI = local_bonds + local_bends + local_torsions;
350    
276
351    simnfo->n_atoms = mpiSim->getMyNlocal();  
352    
353    if( local_atoms != simnfo->n_atoms ){
354      sprintf( painCave.errMsg,
355               "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
356 <             " localAtom (%d) are note equal.\n",
356 >             " localAtom (%d) are not equal.\n",
357               simnfo->n_atoms,
358               local_atoms );
359      painCave.isFatal = 1;
# Line 304 | Line 378 | void SimSetup::createSim( void ){
378    Atom::createArrays(simnfo->n_atoms);
379    the_atoms = new Atom*[simnfo->n_atoms];
380    the_molecules = new Molecule[simnfo->n_mol];
381 +  int molIndex;
382  
383 +  // initialize the molecule's stampID's
384  
385 <  if( simnfo->n_SRI ){
386 <    the_sris = new SRI*[simnfo->n_SRI];
387 <    the_excludes = new int[2 * simnfo->n_SRI];
385 > #ifdef IS_MPI
386 >  
387 >
388 >  molIndex = 0;
389 >  for(i=0; i<mpiSim->getTotNmol(); i++){
390 >    
391 >    if(mol2proc[i] == worldRank ){
392 >      the_molecules[molIndex].setStampID( molCompType[i] );
393 >      the_molecules[molIndex].setMyIndex( molIndex );
394 >      the_molecules[molIndex].setGlobalIndex( i );
395 >      molIndex++;
396 >    }
397 >  }
398 >
399 > #else // is_mpi
400 >  
401 >  molIndex = 0;
402 >  globalAtomIndex = 0;
403 >  for(i=0; i<n_components; i++){
404 >    for(j=0; j<components_nmol[i]; j++ ){
405 >      the_molecules[molIndex].setStampID( i );
406 >      the_molecules[molIndex].setMyIndex( molIndex );
407 >      the_molecules[molIndex].setGlobalIndex( molIndex );
408 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
409 >        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
410 >        globalAtomIndex++;
411 >      }
412 >      molIndex++;
413 >    }
414 >  }
415 >    
416 >
417 > #endif // is_mpi
418 >
419 >
420 >  if( simnfo->n_SRI ){
421 >    
422 >    Exclude::createArray(simnfo->n_SRI);
423 >    the_excludes = new Exclude*[simnfo->n_SRI];
424 >    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
425      simnfo->globalExcludes = new int;
426 <    simnfo->n_exclude = tot_SRI;
426 >    simnfo->n_exclude = simnfo->n_SRI;
427    }
428    else{
429      
430 <    the_excludes = new int[2];
431 <    the_excludes[0] = 0;
432 <    the_excludes[1] = 0;
430 >    Exclude::createArray( 1 );
431 >    the_excludes = new Exclude*;
432 >    the_excludes[0] = new Exclude(0);
433 >    the_excludes[0]->setPair( 0,0 );
434      simnfo->globalExcludes = new int;
435      simnfo->globalExcludes[0] = 0;
436 <
323 <    simnfo->n_exclude = 1;
436 >    simnfo->n_exclude = 0;
437    }
438  
439    // set the arrays into the SimInfo object
440  
441    simnfo->atoms = the_atoms;
442 <  simnfo->sr_interactions = the_sris;
442 >  simnfo->molecules = the_molecules;
443    simnfo->nGlobalExcludes = 0;
444    simnfo->excludes = the_excludes;
445  
446  
447    // get some of the tricky things that may still be in the globals
448  
336  if( simnfo->n_dipoles ){
337
338    if( !the_globals->haveRRF() ){
339      sprintf( painCave.errMsg,
340               "SimSetup Error, system has dipoles, but no rRF was set.\n");
341      painCave.isFatal = 1;
342      simError();
343    }
344    if( !the_globals->haveDielectric() ){
345      sprintf( painCave.errMsg,
346               "SimSetup Error, system has dipoles, but no"
347               " dielectric was set.\n" );
348      painCave.isFatal = 1;
349      simError();
350    }
351
352    simnfo->rRF        = the_globals->getRRF();
353    simnfo->dielectric = the_globals->getDielectric();
354  }
355
356 #ifdef IS_MPI
357  strcpy( checkPointMsg, "rRf and dielectric check out" );
358  MPIcheckPoint();
359 #endif // is_mpi
449    
450    if( the_globals->haveBox() ){
451      simnfo->box_x = the_globals->getBox();
# Line 407 | Line 496 | void SimSetup::createSim( void ){
496  
497    the_ff->setSimInfo( simnfo );
498  
499 <  makeAtoms();
499 >  makeMolecules();
500    simnfo->identArray = new int[simnfo->n_atoms];
501    for(i=0; i<simnfo->n_atoms; i++){
502      simnfo->identArray[i] = the_atoms[i]->getIdent();
503    }
504    
505 <  if( tot_bonds ){
506 <    makeBonds();
507 <  }
505 >  if (the_globals->getUseRF() ) {
506 >    simnfo->useReactionField = 1;
507 >  
508 >    if( !the_globals->haveECR() ){
509 >      sprintf( painCave.errMsg,
510 >               "SimSetup Warning: using default value of 1/2 the smallest "
511 >               "box length for the electrostaticCutoffRadius.\n"
512 >               "I hope you have a very fast processor!\n");
513 >      painCave.isFatal = 0;
514 >      simError();
515 >      double smallest;
516 >      smallest = simnfo->box_x;
517 >      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
518 >      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
519 >      simnfo->ecr = 0.5 * smallest;
520 >    } else {
521 >      simnfo->ecr        = the_globals->getECR();
522 >    }
523  
524 <  if( tot_bends ){
525 <    makeBends();
526 <  }
527 <
528 <  if( tot_torsions ){
529 <    makeTorsions();
530 <  }
531 <
532 <
533 <
534 <
524 >    if( !the_globals->haveEST() ){
525 >      sprintf( painCave.errMsg,
526 >               "SimSetup Warning: using default value of 0.05 * the "
527 >               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
528 >               );
529 >      painCave.isFatal = 0;
530 >      simError();
531 >      simnfo->est = 0.05 * simnfo->ecr;
532 >    } else {
533 >      simnfo->est        = the_globals->getEST();
534 >    }
535 >    
536 >    if(!the_globals->haveDielectric() ){
537 >      sprintf( painCave.errMsg,
538 >               "SimSetup Error: You are trying to use Reaction Field without"
539 >               "setting a dielectric constant!\n"
540 >               );
541 >      painCave.isFatal = 1;
542 >      simError();
543 >    }
544 >    simnfo->dielectric = the_globals->getDielectric();  
545 >  } else {
546 >    if (usesDipoles) {
547 >      
548 >      if( !the_globals->haveECR() ){
549 >        sprintf( painCave.errMsg,
550 >                 "SimSetup Warning: using default value of 1/2 the smallest "
551 >                 "box length for the electrostaticCutoffRadius.\n"
552 >                 "I hope you have a very fast processor!\n");
553 >        painCave.isFatal = 0;
554 >        simError();
555 >        double smallest;
556 >        smallest = simnfo->box_x;
557 >        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
558 >        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
559 >        simnfo->ecr = 0.5 * smallest;
560 >      } else {
561 >        simnfo->ecr        = the_globals->getECR();
562 >      }
563 >      
564 >      if( !the_globals->haveEST() ){
565 >        sprintf( painCave.errMsg,
566 >                 "SimSetup Warning: using default value of 5%% of the "
567 >                 "electrostaticCutoffRadius for the "
568 >                 "electrostaticSkinThickness\n"
569 >                 );
570 >        painCave.isFatal = 0;
571 >        simError();
572 >        simnfo->est = 0.05 * simnfo->ecr;
573 >      } else {
574 >        simnfo->est        = the_globals->getEST();
575 >      }
576 >    }
577 >  }  
578  
579 + #ifdef IS_MPI
580 +  strcpy( checkPointMsg, "electrostatic parameters check out" );
581 +  MPIcheckPoint();
582 + #endif // is_mpi
583  
584   if( the_globals->haveInitialConfig() ){
585  
# Line 587 | Line 738 | void SimSetup::createSim( void ){
738  
739   //   new AllLong( simnfo );
740  
590  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
591  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
592  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
593  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
741  
742 +  if( !strcmp( force_field, "TraPPE_Ex" ) ){
743 +    new Symplectic(simnfo, the_ff, the_extendedsystem);
744 +  }
745 +  else if( !strcmp( force_field, "LJ" ) ){
746 +    new Verlet( *simnfo, the_ff, the_extendedsystem );
747 +  }
748 +  else {
749 +    std::cerr << "I'm a bug.\n";
750 +    fprintf( stderr, "Ima bug. stderr %s\n", force_field);
751 +  }
752 + #ifdef IS_MPI
753 +  mpiSim->mpiRefresh();
754 + #endif
755  
596
756    // initialize the Fortran
757 <  
757 >
758 >
759    simnfo->refreshSim();
760    
761    if( !strcmp( simnfo->mixingRule, "standard") ){
# Line 620 | Line 780 | void SimSetup::makeAtoms( void ){
780   #endif // is_mpi
781   }
782  
623 void SimSetup::makeAtoms( void ){
783  
784 <  int i, j, k, index;
626 <  double ux, uy, uz, uSqr, u;
627 <  AtomStamp* current_atom;
784 > void SimSetup::makeMolecules( void ){
785  
786 +  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
787 +  molInit info;
788    DirectionalAtom* dAtom;
789 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
789 >  LinkedAssign* extras;
790 >  LinkedAssign* current_extra;
791 >  AtomStamp* currentAtom;
792 >  BondStamp* currentBond;
793 >  BendStamp* currentBend;
794 >  TorsionStamp* currentTorsion;
795  
796 <  lMolIndex = 0;
797 <  molIndex = 0;
798 <  index = 0;
635 <  for( i=0; i<n_components; i++ ){
796 >  bond_pair* theBonds;
797 >  bend_set* theBends;
798 >  torsion_set* theTorsions;
799  
800 <    for( j=0; j<components_nmol[i]; j++ ){
801 <
639 < #ifdef IS_MPI
640 <      if( mpiSim->getMyMolStart() <= molIndex &&
641 <          molIndex <= mpiSim->getMyMolEnd() ){
642 < #endif // is_mpi        
800 >  
801 >  //init the forceField paramters
802  
803 <        molStart = index;
645 <        nMemb = comp_stamps[i]->getNAtoms();
646 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
647 <          
648 <          current_atom = comp_stamps[i]->getAtom( k );
649 <          if( current_atom->haveOrientation() ){
650 <            
651 <            dAtom = new DirectionalAtom(index);
652 <            simnfo->n_oriented++;
653 <            the_atoms[index] = dAtom;
654 <            
655 <            ux = current_atom->getOrntX();
656 <            uy = current_atom->getOrntY();
657 <            uz = current_atom->getOrntZ();
658 <            
659 <            uSqr = (ux * ux) + (uy * uy) + (uz * uz);
660 <            
661 <            u = sqrt( uSqr );
662 <            ux = ux / u;
663 <            uy = uy / u;
664 <            uz = uz / u;
665 <            
666 <            dAtom->setSUx( ux );
667 <            dAtom->setSUy( uy );
668 <            dAtom->setSUz( uz );
669 <          }
670 <          else{
671 <            the_atoms[index] = new GeneralAtom(index);
672 <          }
673 <          the_atoms[index]->setType( current_atom->getType() );
674 <          the_atoms[index]->setIndex( index );
675 <          
676 <          // increment the index and repeat;
677 <          index++;
678 <        }
679 <        
680 <        molEnd = index -1;
681 <        the_molecules[lMolIndex].setNMembers( nMemb );
682 <        the_molecules[lMolIndex].setStartAtom( molStart );
683 <        the_molecules[lMolIndex].setEndAtom( molEnd );
684 <        the_molecules[lMolIndex].setStampID( i );
685 <        lMolIndex++;
803 >  the_ff->readParams();
804  
805 < #ifdef IS_MPI
806 <      }
689 < #endif //is_mpi
690 <      
691 <      molIndex++;
692 <    }
693 <  }
805 >  
806 >  // init the atoms
807  
808 < #ifdef IS_MPI
809 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
808 >  double ux, uy, uz, u, uSqr;
809 >  
810 >  atomOffset = 0;
811 >  excludeOffset = 0;
812 >  for(i=0; i<simnfo->n_mol; i++){
813      
814 <    delete[] globalIndex;
814 >    stampID = the_molecules[i].getStampID();
815  
816 <    mpiSim->mpiRefresh();
817 < #endif //IS_MPI
818 <          
819 <  the_ff->initializeAtoms();
820 < }
816 >    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
817 >    info.nBonds    = comp_stamps[stampID]->getNBonds();
818 >    info.nBends    = comp_stamps[stampID]->getNBends();
819 >    info.nTorsions = comp_stamps[stampID]->getNTorsions();
820 >    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
821  
822 < void SimSetup::makeBonds( void ){
823 <
824 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
825 <  bond_pair* the_bonds;
826 <  BondStamp* current_bond;
711 <
712 <  the_bonds = new bond_pair[tot_bonds];
713 <  index = 0;
714 <  offset = 0;
715 <  molIndex = 0;
716 <
717 <  for( i=0; i<n_components; i++ ){
718 <
719 <    for( j=0; j<components_nmol[i]; j++ ){
720 <
721 < #ifdef IS_MPI
722 <      if( mpiSim->getMyMolStart() <= molIndex &&
723 <          molIndex <= mpiSim->getMyMolEnd() ){
724 < #endif // is_mpi        
725 <        
726 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
727 <          
728 <          current_bond = comp_stamps[i]->getBond( k );
729 <          the_bonds[index].a = current_bond->getA() + offset;
730 <          the_bonds[index].b = current_bond->getB() + offset;
822 >    info.myAtoms = &the_atoms[atomOffset];
823 >    info.myExcludes = &the_excludes[excludeOffset];
824 >    info.myBonds = new Bond*[info.nBonds];
825 >    info.myBends = new Bend*[info.nBends];
826 >    info.myTorsions = new Torsion*[info.nTorsions];
827  
828 <          exI = the_bonds[index].a;
829 <          exJ = the_bonds[index].b;
830 <
831 <          // exclude_I must always be the smaller of the pair
832 <          if( exI > exJ ){
833 <            tempEx = exI;
834 <            exI = exJ;
835 <            exJ = tempEx;
836 <          }
837 <
742 <          
743 < #ifdef IS_MPI
744 <
745 <          the_excludes[index*2] =    
746 <            the_atoms[exI]->getGlobalIndex() + 1;
747 <          the_excludes[index*2 + 1] =
748 <            the_atoms[exJ]->getGlobalIndex() + 1;
749 <
750 < #else  // isn't MPI
751 <          
752 <          the_excludes[index*2] =     exI + 1;
753 <          the_excludes[index*2 + 1] = exJ + 1;
754 <          // fortran index from 1 (hence the +1 in the indexing)
755 < #endif  //is_mpi
756 <          
757 <          // increment the index and repeat;
758 <          index++;
759 <        }
760 <        offset += comp_stamps[i]->getNAtoms();
828 >    theBonds = new bond_pair[info.nBonds];
829 >    theBends = new bend_set[info.nBends];
830 >    theTorsions = new torsion_set[info.nTorsions];
831 >    
832 >    // make the Atoms
833 >    
834 >    for(j=0; j<info.nAtoms; j++){
835 >      
836 >      currentAtom = comp_stamps[stampID]->getAtom( j );
837 >      if( currentAtom->haveOrientation() ){
838          
839 < #ifdef IS_MPI
839 >        dAtom = new DirectionalAtom(j + atomOffset);
840 >        simnfo->n_oriented++;
841 >        info.myAtoms[j] = dAtom;
842 >        
843 >        ux = currentAtom->getOrntX();
844 >        uy = currentAtom->getOrntY();
845 >        uz = currentAtom->getOrntZ();
846 >        
847 >        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
848 >        
849 >        u = sqrt( uSqr );
850 >        ux = ux / u;
851 >        uy = uy / u;
852 >        uz = uz / u;
853 >        
854 >        dAtom->setSUx( ux );
855 >        dAtom->setSUy( uy );
856 >        dAtom->setSUz( uz );
857        }
858 < #endif //is_mpi
858 >      else{
859 >        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
860 >      }
861 >      info.myAtoms[j]->setType( currentAtom->getType() );
862 >    
863 > #ifdef IS_MPI
864        
865 <      molIndex++;
866 <    }      
867 <  }
865 >      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
866 >      
867 > #endif // is_mpi
868 >    }
869 >    
870 >    // make the bonds
871 >    for(j=0; j<info.nBonds; j++){
872 >      
873 >      currentBond = comp_stamps[stampID]->getBond( j );
874 >      theBonds[j].a = currentBond->getA() + atomOffset;
875 >      theBonds[j].b = currentBond->getB() + atomOffset;
876  
877 <  the_ff->initializeBonds( the_bonds );
878 < }
877 >      exI = theBonds[j].a;
878 >      exJ = theBonds[j].b;
879  
880 < void SimSetup::makeBends( void ){
881 <
882 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
883 <  bend_set* the_bends;
884 <  BendStamp* current_bend;
885 <  LinkedAssign* extras;
779 <  LinkedAssign* current_extra;
780 <  
781 <
782 <  the_bends = new bend_set[tot_bends];
783 <  index = 0;
784 <  offset = 0;
785 <  molIndex = 0;
786 <  for( i=0; i<n_components; i++ ){
787 <
788 <    for( j=0; j<components_nmol[i]; j++ ){
789 <
880 >      // exclude_I must always be the smaller of the pair
881 >      if( exI > exJ ){
882 >        tempEx = exI;
883 >        exI = exJ;
884 >        exJ = tempEx;
885 >      }
886   #ifdef IS_MPI
887 <      if( mpiSim->getMyMolStart() <= molIndex &&
888 <          molIndex <= mpiSim->getMyMolEnd() ){
889 < #endif // is_mpi        
887 >      tempEx = exI;
888 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
889 >      tempEx = exJ;
890 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
891 >      
892 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
893 > #else  // isn't MPI
894  
895 <        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
895 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
896 > #endif  //is_mpi
897 >    }
898 >    excludeOffset += info.nBonds;
899 >
900 >    //make the bends
901 >    for(j=0; j<info.nBends; j++){
902 >      
903 >      currentBend = comp_stamps[stampID]->getBend( j );
904 >      theBends[j].a = currentBend->getA() + atomOffset;
905 >      theBends[j].b = currentBend->getB() + atomOffset;
906 >      theBends[j].c = currentBend->getC() + atomOffset;
907            
908 <          current_bend = comp_stamps[i]->getBend( k );
798 <          the_bends[index].a = current_bend->getA() + offset;
799 <          the_bends[index].b = current_bend->getB() + offset;
800 <          the_bends[index].c = current_bend->getC() + offset;
801 <          
802 <          if( current_bend->haveExtras() ){
908 >      if( currentBend->haveExtras() ){
909              
910 <            extras = current_bend->getExtras();
911 <            current_extra = extras;
910 >        extras = currentBend->getExtras();
911 >        current_extra = extras;
912              
913 <            while( current_extra != NULL ){
914 <              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
913 >        while( current_extra != NULL ){
914 >          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
915                  
916 <                switch( current_extra->getType() ){
916 >            switch( current_extra->getType() ){
917 >              
918 >            case 0:
919 >              theBends[j].ghost =
920 >                current_extra->getInt() + atomOffset;
921 >              theBends[j].isGhost = 1;
922 >              break;
923                    
924 <                case 0:
925 <                  the_bends[index].ghost =
926 <                    current_extra->getInt() + offset;
927 <                  the_bends[index].isGhost = 1;
928 <                  break;
817 <                  
818 <                case 1:
819 <                  the_bends[index].ghost =
820 <                    (int)current_extra->getDouble() + offset;
821 <                  the_bends[index].isGhost = 1;
822 <                  break;
823 <                  
824 <                default:
825 <                  sprintf( painCave.errMsg,
826 <                           "SimSetup Error: ghostVectorSource was neiter a "
827 <                           "double nor an int.\n"
828 <                           "-->Bend[%d] in %s\n",
829 <                           k, comp_stamps[i]->getID() );
830 <                  painCave.isFatal = 1;
831 <                  simError();
832 <                }
833 <              }
924 >            case 1:
925 >              theBends[j].ghost =
926 >                (int)current_extra->getDouble() + atomOffset;
927 >              theBends[j].isGhost = 1;
928 >              break;
929                
930 <              else{
931 <                
932 <                sprintf( painCave.errMsg,
933 <                         "SimSetup Error: unhandled bend assignment:\n"
934 <                         "    -->%s in Bend[%d] in %s\n",
935 <                         current_extra->getlhs(),
936 <                         k, comp_stamps[i]->getID() );
937 <                painCave.isFatal = 1;
843 <                simError();
844 <              }
845 <              
846 <              current_extra = current_extra->getNext();
930 >            default:
931 >              sprintf( painCave.errMsg,
932 >                       "SimSetup Error: ghostVectorSource was neither a "
933 >                       "double nor an int.\n"
934 >                       "-->Bend[%d] in %s\n",
935 >                       j, comp_stamps[stampID]->getID() );
936 >              painCave.isFatal = 1;
937 >              simError();
938              }
939            }
940            
850          if( !the_bends[index].isGhost ){
851            
852            exI = the_bends[index].a;
853            exJ = the_bends[index].c;
854          }
941            else{
942              
943 <            exI = the_bends[index].a;
944 <            exJ = the_bends[index].b;
943 >            sprintf( painCave.errMsg,
944 >                     "SimSetup Error: unhandled bend assignment:\n"
945 >                     "    -->%s in Bend[%d] in %s\n",
946 >                     current_extra->getlhs(),
947 >                     j, comp_stamps[stampID]->getID() );
948 >            painCave.isFatal = 1;
949 >            simError();
950            }
951            
952 <          // exclude_I must always be the smaller of the pair
953 <          if( exI > exJ ){
954 <            tempEx = exI;
955 <            exI = exJ;
956 <            exJ = tempEx;
957 <          }
952 >          current_extra = current_extra->getNext();
953 >        }
954 >      }
955 >          
956 >      if( !theBends[j].isGhost ){
957 >            
958 >        exI = theBends[j].a;
959 >        exJ = theBends[j].c;
960 >      }
961 >      else{
962 >        
963 >        exI = theBends[j].a;
964 >        exJ = theBends[j].b;
965 >      }
966 >      
967 >      // exclude_I must always be the smaller of the pair
968 >      if( exI > exJ ){
969 >        tempEx = exI;
970 >        exI = exJ;
971 >        exJ = tempEx;
972 >      }
973 > #ifdef IS_MPI
974 >      tempEx = exI;
975 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
976 >      tempEx = exJ;
977 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
978 >      
979 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
980 > #else  // isn't MPI
981 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
982 > #endif  //is_mpi
983 >    }
984 >    excludeOffset += info.nBends;
985  
986 +    for(j=0; j<info.nTorsions; j++){
987 +      
988 +      currentTorsion = comp_stamps[stampID]->getTorsion( j );
989 +      theTorsions[j].a = currentTorsion->getA() + atomOffset;
990 +      theTorsions[j].b = currentTorsion->getB() + atomOffset;
991 +      theTorsions[j].c = currentTorsion->getC() + atomOffset;
992 +      theTorsions[j].d = currentTorsion->getD() + atomOffset;
993 +      
994 +      exI = theTorsions[j].a;
995 +      exJ = theTorsions[j].d;
996  
997 +      // exclude_I must always be the smaller of the pair
998 +      if( exI > exJ ){
999 +        tempEx = exI;
1000 +        exI = exJ;
1001 +        exJ = tempEx;
1002 +      }
1003   #ifdef IS_MPI
1004 <
1005 <          the_excludes[(index + tot_bonds)*2] =    
1006 <            the_atoms[exI]->getGlobalIndex() + 1;
1007 <          the_excludes[(index + tot_bonds)*2 + 1] =
1008 <            the_atoms[exJ]->getGlobalIndex() + 1;
1009 <          
1004 >      tempEx = exI;
1005 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1006 >      tempEx = exJ;
1007 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1008 >      
1009 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1010   #else  // isn't MPI
1011 <          
878 <          the_excludes[(index + tot_bonds)*2] =     exI + 1;
879 <          the_excludes[(index + tot_bonds)*2 + 1] = exJ + 1;
880 <          // fortran index from 1 (hence the +1 in the indexing)
1011 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1012   #endif  //is_mpi
882          
883          
884          // increment the index and repeat;
885          index++;
886        }
887        offset += comp_stamps[i]->getNAtoms();
888        
889 #ifdef IS_MPI
890      }
891 #endif //is_mpi
892
893      molIndex++;
1013      }
1014 <  }
1014 >    excludeOffset += info.nTorsions;
1015  
1016 < #ifdef IS_MPI
1017 <  sprintf( checkPointMsg,
899 <           "Successfully created the bends list.\n" );
900 <  MPIcheckPoint();
901 < #endif // is_mpi
902 <  
1016 >    
1017 >    // send the arrays off to the forceField for init.
1018  
1019 <  the_ff->initializeBends( the_bends );
1020 < }
1019 >    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1020 >    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1021 >    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1022 >    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1023  
907 void SimSetup::makeTorsions( void ){
1024  
1025 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
910 <  torsion_set* the_torsions;
911 <  TorsionStamp* current_torsion;
1025 >    the_molecules[i].initialize( info );
1026  
913  the_torsions = new torsion_set[tot_torsions];
914  index = 0;
915  offset = 0;
916  molIndex = 0;
917  for( i=0; i<n_components; i++ ){
1027  
1028 <    for( j=0; j<components_nmol[i]; j++ ){
1028 >    atomOffset += info.nAtoms;
1029 >    delete[] theBonds;
1030 >    delete[] theBends;
1031 >    delete[] theTorsions;
1032 >  }
1033  
1034   #ifdef IS_MPI
1035 <      if( mpiSim->getMyMolStart() <= molIndex &&
1036 <          molIndex <= mpiSim->getMyMolEnd() ){
1037 < #endif // is_mpi        
1035 >  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1036 >  MPIcheckPoint();
1037 > #endif // is_mpi
1038  
1039 <      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
1039 >  // clean up the forcefield
1040 >  the_ff->calcRcut();
1041 >  the_ff->cleanMe();
1042  
928        current_torsion = comp_stamps[i]->getTorsion( k );
929        the_torsions[index].a = current_torsion->getA() + offset;
930        the_torsions[index].b = current_torsion->getB() + offset;
931        the_torsions[index].c = current_torsion->getC() + offset;
932        the_torsions[index].d = current_torsion->getD() + offset;
933
934        exI = the_torsions[index].a;
935        exJ = the_torsions[index].d;
936
937        
938        // exclude_I must always be the smaller of the pair
939        if( exI > exJ ){
940          tempEx = exI;
941          exI = exJ;
942          exJ = tempEx;
943        }
944
945
946 #ifdef IS_MPI
947        
948        the_excludes[(index + tot_bonds + tot_bends)*2] =    
949          the_atoms[exI]->getGlobalIndex() + 1;
950        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] =
951          the_atoms[exJ]->getGlobalIndex() + 1;
952        
953 #else  // isn't MPI
954        
955        the_excludes[(index + tot_bonds + tot_bends)*2] =     exI + 1;
956        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] = exJ + 1;
957        // fortran indexes from 1 (hence the +1 in the indexing)
958 #endif  //is_mpi
959        
960
961        // increment the index and repeat;
962        index++;
963      }
964      offset += comp_stamps[i]->getNAtoms();
965
966 #ifdef IS_MPI
967      }
968 #endif //is_mpi      
969
970      molIndex++;
971    }
972  }
973
974  the_ff->initializeTorsions( the_torsions );
1043   }
1044  
1045   void SimSetup::initFromBass( void ){

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