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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 438 by chuckv, Mon Mar 31 21:50:59 2003 UTC

# Line 88 | Line 88 | void SimSetup::createSim( void ){
88            
89  
90  
91 <  if( !strcmp( force_field, "TraPPE" ) ) the_ff = new TraPPEFF();
92 <  else if( !strcmp( force_field, "DipoleTest" ) ) the_ff = new DipoleTestFF();
93 <  else if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
91 >  if( !strcmp( force_field, "TraPPE_Ex" ) ) the_ff = new TraPPE_ExFF();
92    else if( !strcmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
93    else{
94      sprintf( painCave.errMsg,
# Line 241 | Line 239 | void SimSetup::createSim( void ){
239    
240  
241    globalIndex = mpiSim->divideLabor();
244
245
242  
243    // set up the local variables
244    
245    int localMol, allMol;
246    int local_atoms, local_bonds, local_bends, local_torsions, local_SRI;
247 +
248 +  int* mol2proc = mpiSim->getMolToProcMap();
249 +  int* molCompType = mpiSim->getMolComponentType();
250    
251    allMol = 0;
252    localMol = 0;
# Line 259 | Line 258 | void SimSetup::createSim( void ){
258  
259      for( j=0; j<components_nmol[i]; j++ ){
260        
261 <      if( mpiSim->getMyMolStart() <= allMol &&
263 <          allMol <= mpiSim->getMyMolEnd() ){
261 >      if( mol2proc[j] == worldRank ){
262          
263          local_atoms +=    comp_stamps[i]->getNAtoms();
264          local_bonds +=    comp_stamps[i]->getNBonds();
# Line 279 | Line 277 | void SimSetup::createSim( void ){
277    if( local_atoms != simnfo->n_atoms ){
278      sprintf( painCave.errMsg,
279               "SimSetup error: mpiSim's localAtom (%d) and SimSetup's"
280 <             " localAtom (%d) are note equal.\n",
280 >             " localAtom (%d) are not equal.\n",
281               simnfo->n_atoms,
282               local_atoms );
283      painCave.isFatal = 1;
# Line 304 | Line 302 | void SimSetup::createSim( void ){
302    Atom::createArrays(simnfo->n_atoms);
303    the_atoms = new Atom*[simnfo->n_atoms];
304    the_molecules = new Molecule[simnfo->n_mol];
305 +  int molIndex;
306  
307 +  // initialize the molecule's stampID's
308  
309 + #ifdef IS_MPI
310 +  
311 +
312 +  molIndex = 0;
313 +  for(i=0; i<mpiSim->getTotNmol(); i++){
314 +    
315 +    if(mol2proc[i] == worldRank ){
316 +      the_molecules[molIndex].setStampID( molCompType[i] );
317 +      the_molecules[molIndex].setMyIndex( molIndex );
318 +      molIndex++;
319 +    }
320 +  }
321 +
322 + #else // is_mpi
323 +  
324 +  molIndex = 0;
325 +  for(i=0; i<n_components; i++){
326 +    for(j=0; j<components_nmol[i]; j++ ){
327 +      the_molecules[molIndex].setStampID( i );
328 +      the_molecules[molIndex].setMyIndex( molIndex );
329 +      molIndex++;
330 +    }
331 +  }
332 +    
333 +
334 + #endif // is_mpi
335 +
336 +
337    if( simnfo->n_SRI ){
338 <    the_sris = new SRI*[simnfo->n_SRI];
339 <    the_excludes = new int[2 * simnfo->n_SRI];
338 >    
339 >    std::cerr << "n_SRI = " << simnfo->n_SRI << "\n";
340 >    
341 >    Exclude::createArray(simnfo->n_SRI);
342 >    the_excludes = new Exclude*[simnfo->n_SRI];
343 >    for( int ex=0; ex<simnfo->n_SRI; ex++) the_excludes[ex] = new Exclude(ex);
344      simnfo->globalExcludes = new int;
345 <    simnfo->n_exclude = tot_SRI;
345 >    simnfo->n_exclude = simnfo->n_SRI;
346    }
347    else{
348      
349 <    the_excludes = new int[2];
350 <    the_excludes[0] = 0;
351 <    the_excludes[1] = 0;
349 >    Exclude::createArray( 1 );
350 >    the_excludes = new Exclude*;
351 >    the_excludes[0] = new Exclude(0);
352 >    the_excludes[0]->setPair( 0,0 );
353      simnfo->globalExcludes = new int;
354      simnfo->globalExcludes[0] = 0;
355 <
323 <    simnfo->n_exclude = 1;
355 >    simnfo->n_exclude = 0;
356    }
357  
358    // set the arrays into the SimInfo object
359  
360    simnfo->atoms = the_atoms;
361 <  simnfo->sr_interactions = the_sris;
361 >  simnfo->molecules = the_molecules;
362    simnfo->nGlobalExcludes = 0;
363    simnfo->excludes = the_excludes;
364  
365  
366    // get some of the tricky things that may still be in the globals
367  
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
368    
369    if( the_globals->haveBox() ){
370      simnfo->box_x = the_globals->getBox();
# Line 407 | Line 415 | void SimSetup::createSim( void ){
415  
416    the_ff->setSimInfo( simnfo );
417  
418 <  makeAtoms();
418 >  makeMolecules();
419    simnfo->identArray = new int[simnfo->n_atoms];
420    for(i=0; i<simnfo->n_atoms; i++){
421      simnfo->identArray[i] = the_atoms[i]->getIdent();
414  }
415  
416  if( tot_bonds ){
417    makeBonds();
418  }
419
420  if( tot_bends ){
421    makeBends();
422    }
423 +  
424 +  if (the_globals->getUseRF() ) {
425 +    simnfo->useReactionField = 1;
426 +  
427 +    if( !the_globals->haveECR() ){
428 +      sprintf( painCave.errMsg,
429 +               "SimSetup Warning: using default value of 1/2 the smallest "
430 +               "box length for the electrostaticCutoffRadius.\n"
431 +               "I hope you have a very fast processor!\n");
432 +      painCave.isFatal = 0;
433 +      simError();
434 +      double smallest;
435 +      smallest = simnfo->box_x;
436 +      if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
437 +      if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
438 +      simnfo->ecr = 0.5 * smallest;
439 +    } else {
440 +      simnfo->ecr        = the_globals->getECR();
441 +    }
442  
443 <  if( tot_torsions ){
444 <    makeTorsions();
445 <  }
443 >    if( !the_globals->haveEST() ){
444 >      sprintf( painCave.errMsg,
445 >               "SimSetup Warning: using default value of 0.05 * the "
446 >               "electrostaticCutoffRadius for the electrostaticSkinThickness\n"
447 >               );
448 >      painCave.isFatal = 0;
449 >      simError();
450 >      simnfo->est = 0.05 * simnfo->ecr;
451 >    } else {
452 >      simnfo->est        = the_globals->getEST();
453 >    }
454 >    
455 >    if(!the_globals->haveDielectric() ){
456 >      sprintf( painCave.errMsg,
457 >               "SimSetup Error: You are trying to use Reaction Field without"
458 >               "setting a dielectric constant!\n"
459 >               );
460 >      painCave.isFatal = 1;
461 >      simError();
462 >    }
463 >    simnfo->dielectric = the_globals->getDielectric();  
464 >  } else {
465 >    if (simnfo->n_dipoles) {
466 >      
467 >      if( !the_globals->haveECR() ){
468 >        sprintf( painCave.errMsg,
469 >                 "SimSetup Warning: using default value of 1/2 the smallest"
470 >                 "box length for the electrostaticCutoffRadius.\n"
471 >                 "I hope you have a very fast processor!\n");
472 >        painCave.isFatal = 0;
473 >        simError();
474 >        double smallest;
475 >        smallest = simnfo->box_x;
476 >        if (simnfo->box_y <= smallest) smallest = simnfo->box_y;
477 >        if (simnfo->box_z <= smallest) smallest = simnfo->box_z;
478 >        simnfo->ecr = 0.5 * smallest;
479 >      } else {
480 >        simnfo->ecr        = the_globals->getECR();
481 >      }
482 >      
483 >      if( !the_globals->haveEST() ){
484 >        sprintf( painCave.errMsg,
485 >                 "SimSetup Warning: using default value of 5% of the"
486 >                 "electrostaticCutoffRadius for the "
487 >                 "electrostaticSkinThickness\n"
488 >                 );
489 >        painCave.isFatal = 0;
490 >        simError();
491 >        simnfo->est = 0.05 * simnfo->ecr;
492 >      } else {
493 >        simnfo->est        = the_globals->getEST();
494 >      }
495 >    }
496 >  }  
497  
498 + #ifdef IS_MPI
499 +  strcpy( checkPointMsg, "electrostatic parameters check out" );
500 +  MPIcheckPoint();
501 + #endif // is_mpi
502  
429
430
431
432
503   if( the_globals->haveInitialConfig() ){
504  
505       InitializeFromFile* fileInit;
# Line 587 | Line 657 | void SimSetup::createSim( void ){
657  
658   //   new AllLong( simnfo );
659  
590  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
591  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
660    if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
661    if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
662  
663 + #ifdef IS_MPI
664 +  mpiSim->mpiRefresh();
665 + #endif
666  
596
667    // initialize the Fortran
668 <  
668 >
669 >
670    simnfo->refreshSim();
671    
672    if( !strcmp( simnfo->mixingRule, "standard") ){
# Line 620 | Line 691 | void SimSetup::makeAtoms( void ){
691   #endif // is_mpi
692   }
693  
623 void SimSetup::makeAtoms( void ){
694  
695 <  int i, j, k, index;
626 <  double ux, uy, uz, uSqr, u;
627 <  AtomStamp* current_atom;
695 > void SimSetup::makeMolecules( void ){
696  
697 +  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
698 +  molInit info;
699    DirectionalAtom* dAtom;
700 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
700 >  LinkedAssign* extras;
701 >  LinkedAssign* current_extra;
702 >  AtomStamp* currentAtom;
703 >  BondStamp* currentBond;
704 >  BendStamp* currentBend;
705 >  TorsionStamp* currentTorsion;
706  
707 <  lMolIndex = 0;
708 <  molIndex = 0;
709 <  index = 0;
635 <  for( i=0; i<n_components; i++ ){
707 >  bond_pair* theBonds;
708 >  bend_set* theBends;
709 >  torsion_set* theTorsions;
710  
711 <    for( j=0; j<components_nmol[i]; j++ ){
711 >  
712 >  //init the forceField paramters
713  
714 < #ifdef IS_MPI
640 <      if( mpiSim->getMyMolStart() <= molIndex &&
641 <          molIndex <= mpiSim->getMyMolEnd() ){
642 < #endif // is_mpi        
714 >  the_ff->readParams();
715  
716 <        molStart = index;
717 <        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++;
716 >  
717 >  // init the atoms
718  
719 < #ifdef IS_MPI
720 <      }
721 < #endif //is_mpi
722 <      
723 <      molIndex++;
692 <    }
693 <  }
694 <
695 < #ifdef IS_MPI
696 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
719 >  double ux, uy, uz, u, uSqr;
720 >  
721 >  atomOffset = 0;
722 >  excludeOffset = 0;
723 >  for(i=0; i<simnfo->n_mol; i++){
724      
725 <    delete[] globalIndex;
725 >    stampID = the_molecules[i].getStampID();
726  
727 <    mpiSim->mpiRefresh();
728 < #endif //IS_MPI
729 <          
730 <  the_ff->initializeAtoms();
731 < }
727 >    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
728 >    info.nBonds    = comp_stamps[stampID]->getNBonds();
729 >    info.nBends    = comp_stamps[stampID]->getNBends();
730 >    info.nTorsions = comp_stamps[stampID]->getNTorsions();
731 >    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
732  
733 < void SimSetup::makeBonds( void ){
733 >    info.myAtoms = &the_atoms[atomOffset];
734 >    info.myExcludes = &the_excludes[excludeOffset];
735 >    info.myBonds = new Bond*[info.nBonds];
736 >    info.myBends = new Bend*[info.nBends];
737 >    info.myTorsions = new Torsion*[info.nTorsions];
738  
739 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
740 <  bond_pair* the_bonds;
741 <  BondStamp* current_bond;
742 <
743 <  the_bonds = new bond_pair[tot_bonds];
744 <  index = 0;
745 <  offset = 0;
746 <  molIndex = 0;
747 <
748 <  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        
739 >    theBonds = new bond_pair[info.nBonds];
740 >    theBends = new bend_set[info.nBends];
741 >    theTorsions = new torsion_set[info.nTorsions];
742 >    
743 >    // make the Atoms
744 >    
745 >    for(j=0; j<info.nAtoms; j++){
746 >      
747 >      currentAtom = comp_stamps[stampID]->getAtom( j );
748 >      if( currentAtom->haveOrientation() ){
749          
750 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
751 <          
752 <          current_bond = comp_stamps[i]->getBond( k );
753 <          the_bonds[index].a = current_bond->getA() + offset;
754 <          the_bonds[index].b = current_bond->getB() + offset;
755 <
756 <          exI = the_bonds[index].a;
757 <          exJ = the_bonds[index].b;
758 <
759 <          // exclude_I must always be the smaller of the pair
760 <          if( exI > exJ ){
761 <            tempEx = exI;
762 <            exI = exJ;
763 <            exJ = tempEx;
764 <          }
765 <
766 <          
750 >        dAtom = new DirectionalAtom(j + atomOffset);
751 >        simnfo->n_oriented++;
752 >        info.myAtoms[j] = dAtom;
753 >        
754 >        ux = currentAtom->getOrntX();
755 >        uy = currentAtom->getOrntY();
756 >        uz = currentAtom->getOrntZ();
757 >        
758 >        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
759 >        
760 >        u = sqrt( uSqr );
761 >        ux = ux / u;
762 >        uy = uy / u;
763 >        uz = uz / u;
764 >        
765 >        dAtom->setSUx( ux );
766 >        dAtom->setSUy( uy );
767 >        dAtom->setSUz( uz );
768 >      }
769 >      else{
770 >        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
771 >      }
772 >      info.myAtoms[j]->setType( currentAtom->getType() );
773 >    
774   #ifdef IS_MPI
775 +      
776 +      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
777 +      
778 + #endif // is_mpi
779 +    }
780 +    
781 +    // make the bonds
782 +    for(j=0; j<info.nBonds; j++){
783 +      
784 +      currentBond = comp_stamps[stampID]->getBond( j );
785 +      theBonds[j].a = currentBond->getA() + atomOffset;
786 +      theBonds[j].b = currentBond->getB() + atomOffset;
787  
788 <          the_excludes[index*2] =    
789 <            the_atoms[exI]->getGlobalIndex() + 1;
747 <          the_excludes[index*2 + 1] =
748 <            the_atoms[exJ]->getGlobalIndex() + 1;
788 >      exI = theBonds[j].a;
789 >      exJ = theBonds[j].b;
790  
791 < #else  // isn't MPI
792 <          
793 <          the_excludes[index*2] =     exI + 1;
794 <          the_excludes[index*2 + 1] = exJ + 1;
795 <          // 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();
761 <        
762 < #ifdef IS_MPI
791 >      // exclude_I must always be the smaller of the pair
792 >      if( exI > exJ ){
793 >        tempEx = exI;
794 >        exI = exJ;
795 >        exJ = tempEx;
796        }
797 < #endif //is_mpi
797 > #ifdef IS_MPI
798 >      tempEx = exI;
799 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
800 >      tempEx = exJ;
801 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
802        
803 <      molIndex++;
804 <    }      
768 <  }
803 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
804 > #else  // isn't MPI
805  
806 <  the_ff->initializeBonds( the_bonds );
807 < }
806 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
807 > #endif  //is_mpi
808 >    }
809 >    excludeOffset += info.nBonds;
810  
811 < void SimSetup::makeBends( void ){
812 <
813 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
814 <  bend_set* the_bends;
815 <  BendStamp* current_bend;
816 <  LinkedAssign* extras;
817 <  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 <
790 < #ifdef IS_MPI
791 <      if( mpiSim->getMyMolStart() <= molIndex &&
792 <          molIndex <= mpiSim->getMyMolEnd() ){
793 < #endif // is_mpi        
794 <
795 <        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
811 >    //make the bends
812 >    for(j=0; j<info.nBends; j++){
813 >      
814 >      currentBend = comp_stamps[stampID]->getBend( j );
815 >      theBends[j].a = currentBend->getA() + atomOffset;
816 >      theBends[j].b = currentBend->getB() + atomOffset;
817 >      theBends[j].c = currentBend->getC() + atomOffset;
818            
819 <          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() ){
819 >      if( currentBend->haveExtras() ){
820              
821 <            extras = current_bend->getExtras();
822 <            current_extra = extras;
821 >        extras = currentBend->getExtras();
822 >        current_extra = extras;
823              
824 <            while( current_extra != NULL ){
825 <              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
824 >        while( current_extra != NULL ){
825 >          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
826                  
827 <                switch( current_extra->getType() ){
827 >            switch( current_extra->getType() ){
828 >              
829 >            case 0:
830 >              theBends[j].ghost =
831 >                current_extra->getInt() + atomOffset;
832 >              theBends[j].isGhost = 1;
833 >              break;
834                    
835 <                case 0:
836 <                  the_bends[index].ghost =
837 <                    current_extra->getInt() + offset;
838 <                  the_bends[index].isGhost = 1;
839 <                  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 <              }
835 >            case 1:
836 >              theBends[j].ghost =
837 >                (int)current_extra->getDouble() + atomOffset;
838 >              theBends[j].isGhost = 1;
839 >              break;
840                
841 <              else{
842 <                
843 <                sprintf( painCave.errMsg,
844 <                         "SimSetup Error: unhandled bend assignment:\n"
845 <                         "    -->%s in Bend[%d] in %s\n",
846 <                         current_extra->getlhs(),
847 <                         k, comp_stamps[i]->getID() );
848 <                painCave.isFatal = 1;
843 <                simError();
844 <              }
845 <              
846 <              current_extra = current_extra->getNext();
841 >            default:
842 >              sprintf( painCave.errMsg,
843 >                       "SimSetup Error: ghostVectorSource was neither a "
844 >                       "double nor an int.\n"
845 >                       "-->Bend[%d] in %s\n",
846 >                       j, comp_stamps[stampID]->getID() );
847 >              painCave.isFatal = 1;
848 >              simError();
849              }
850            }
851            
850          if( !the_bends[index].isGhost ){
851            
852            exI = the_bends[index].a;
853            exJ = the_bends[index].c;
854          }
852            else{
853              
854 <            exI = the_bends[index].a;
855 <            exJ = the_bends[index].b;
854 >            sprintf( painCave.errMsg,
855 >                     "SimSetup Error: unhandled bend assignment:\n"
856 >                     "    -->%s in Bend[%d] in %s\n",
857 >                     current_extra->getlhs(),
858 >                     j, comp_stamps[stampID]->getID() );
859 >            painCave.isFatal = 1;
860 >            simError();
861            }
862            
863 <          // exclude_I must always be the smaller of the pair
864 <          if( exI > exJ ){
865 <            tempEx = exI;
866 <            exI = exJ;
867 <            exJ = tempEx;
868 <          }
863 >          current_extra = current_extra->getNext();
864 >        }
865 >      }
866 >          
867 >      if( !theBends[j].isGhost ){
868 >            
869 >        exI = theBends[j].a;
870 >        exJ = theBends[j].c;
871 >      }
872 >      else{
873 >        
874 >        exI = theBends[j].a;
875 >        exJ = theBends[j].b;
876 >      }
877 >      
878 >      // exclude_I must always be the smaller of the pair
879 >      if( exI > exJ ){
880 >        tempEx = exI;
881 >        exI = exJ;
882 >        exJ = tempEx;
883 >      }
884 > #ifdef IS_MPI
885 >      tempEx = exI;
886 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
887 >      tempEx = exJ;
888 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
889 >      
890 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
891 > #else  // isn't MPI
892 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
893 > #endif  //is_mpi
894 >    }
895 >    excludeOffset += info.nBends;
896  
897 +    for(j=0; j<info.nTorsions; j++){
898 +      
899 +      currentTorsion = comp_stamps[stampID]->getTorsion( j );
900 +      theTorsions[j].a = currentTorsion->getA() + atomOffset;
901 +      theTorsions[j].b = currentTorsion->getB() + atomOffset;
902 +      theTorsions[j].c = currentTorsion->getC() + atomOffset;
903 +      theTorsions[j].d = currentTorsion->getD() + atomOffset;
904 +      
905 +      exI = theTorsions[j].a;
906 +      exJ = theTorsions[j].d;
907  
908 +      // exclude_I must always be the smaller of the pair
909 +      if( exI > exJ ){
910 +        tempEx = exI;
911 +        exI = exJ;
912 +        exJ = tempEx;
913 +      }
914   #ifdef IS_MPI
915 <
916 <          the_excludes[(index + tot_bonds)*2] =    
917 <            the_atoms[exI]->getGlobalIndex() + 1;
918 <          the_excludes[(index + tot_bonds)*2 + 1] =
919 <            the_atoms[exJ]->getGlobalIndex() + 1;
920 <          
915 >      tempEx = exI;
916 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
917 >      tempEx = exJ;
918 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
919 >      
920 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
921   #else  // isn't MPI
922 <          
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)
922 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
923   #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++;
924      }
925 +    excludeOffset += info.nTorsions;
926 +
927 +    
928 +    // send the arrays off to the forceField for init.
929 +
930 +    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
931 +    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
932 +    the_ff->initializeBends( info.nBends, info.myBends, theBends );
933 +    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
934 +
935 +
936 +    the_molecules[i].initialize( info );
937 +
938 +
939 +    atomOffset += info.nAtoms;
940 +    delete[] theBonds;
941 +    delete[] theBends;
942 +    delete[] theTorsions;
943    }
944  
945   #ifdef IS_MPI
946 <  sprintf( checkPointMsg,
899 <           "Successfully created the bends list.\n" );
946 >  sprintf( checkPointMsg, "all molecules initialized succesfully" );
947    MPIcheckPoint();
948   #endif // is_mpi
902  
949  
950 <  the_ff->initializeBends( the_bends );
951 < }
950 >  // clean up the forcefield
951 >  the_ff->calcRcut();
952 >  the_ff->cleanMe();
953  
907 void SimSetup::makeTorsions( void ){
908
909  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
910  torsion_set* the_torsions;
911  TorsionStamp* current_torsion;
912
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++ ){
918
919    for( j=0; j<components_nmol[i]; j++ ){
920
921 #ifdef IS_MPI
922      if( mpiSim->getMyMolStart() <= molIndex &&
923          molIndex <= mpiSim->getMyMolEnd() ){
924 #endif // is_mpi        
925
926      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
927
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 );
954   }
955  
956   void SimSetup::initFromBass( void ){

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