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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 394 by gezelter, Mon Mar 24 21:55:34 2003 UTC vs.
Revision 555 by mmeineke, Tue Jun 17 21:56:15 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 + #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 <    the_sris = new SRI*[simnfo->n_SRI];
422 <    the_excludes = new int[2 * 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  
# Line 383 | 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    
392  if( tot_bonds ){
393    makeBonds();
394  }
395
396  if( tot_bends ){
397    makeBends();
398  }
399
400  if( tot_torsions ){
401    makeTorsions();
402  }
403
404
505    if (the_globals->getUseRF() ) {
506      simnfo->useReactionField = 1;
507    
# Line 443 | Line 543 | void SimSetup::createSim( void ){
543      }
544      simnfo->dielectric = the_globals->getDielectric();  
545    } else {
546 <    if (simnfo->n_dipoles) {
546 >    if (usesDipoles) {
547        
548        if( !the_globals->haveECR() ){
549          sprintf( painCave.errMsg,
550 <                 "SimSetup Warning: using default value of 1/2 the smallest"
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;
# Line 463 | Line 563 | void SimSetup::createSim( void ){
563        
564        if( !the_globals->haveEST() ){
565          sprintf( painCave.errMsg,
566 <                 "SimSetup Warning: using default value of 5% of the"
566 >                 "SimSetup Warning: using default value of 5%% of the "
567                   "electrostaticCutoffRadius for the "
568                   "electrostaticSkinThickness\n"
569                   );
# Line 634 | Line 734 | void SimSetup::createSim( void ){
734    if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
735  
736  
737 < //   // make the longe range forces and the integrator
737 >  // make the integrator
738  
639 //   new AllLong( simnfo );
739  
740 <  if( !strcmp( force_field, "TraPPE" ) ) new Verlet( *simnfo, the_ff );
741 <  if( !strcmp( force_field, "DipoleTest" ) ) new Symplectic( simnfo, the_ff );
742 <  if( !strcmp( force_field, "TraPPE_Ex" ) ) new Symplectic( simnfo, the_ff );
743 <  if( !strcmp( force_field, "LJ" ) ) new Verlet( *simnfo, the_ff );
740 >  if( !strcmp( ensemble, "TraPPE_Ex" ) ){
741 >    new Symplectic(simnfo, the_ff, the_extendedsystem);
742 >  }
743 >  else if( !strcmp( force_field, "LJ" ) ){
744 >    new Verlet( *simnfo, the_ff, the_extendedsystem );
745 >  }
746  
747 <
747 > #ifdef IS_MPI
748 >  mpiSim->mpiRefresh();
749 > #endif
750  
751    // initialize the Fortran
752 <  
752 >
753 >
754    simnfo->refreshSim();
755    
756    if( !strcmp( simnfo->mixingRule, "standard") ){
# Line 671 | Line 775 | void SimSetup::makeAtoms( void ){
775   #endif // is_mpi
776   }
777  
674 void SimSetup::makeAtoms( void ){
778  
779 <  int i, j, k, index;
677 <  double ux, uy, uz, uSqr, u;
678 <  AtomStamp* current_atom;
779 > void SimSetup::makeMolecules( void ){
780  
781 +  int i, j, exI, exJ, tempEx, stampID, atomOffset, excludeOffset;
782 +  molInit info;
783    DirectionalAtom* dAtom;
784 <  int molIndex, molStart, molEnd, nMemb, lMolIndex;
784 >  LinkedAssign* extras;
785 >  LinkedAssign* current_extra;
786 >  AtomStamp* currentAtom;
787 >  BondStamp* currentBond;
788 >  BendStamp* currentBend;
789 >  TorsionStamp* currentTorsion;
790  
791 <  lMolIndex = 0;
792 <  molIndex = 0;
793 <  index = 0;
686 <  for( i=0; i<n_components; i++ ){
791 >  bond_pair* theBonds;
792 >  bend_set* theBends;
793 >  torsion_set* theTorsions;
794  
795 <    for( j=0; j<components_nmol[i]; j++ ){
795 >  
796 >  //init the forceField paramters
797  
798 < #ifdef IS_MPI
691 <      if( mpiSim->getMyMolStart() <= molIndex &&
692 <          molIndex <= mpiSim->getMyMolEnd() ){
693 < #endif // is_mpi        
798 >  the_ff->readParams();
799  
800 <        molStart = index;
801 <        nMemb = comp_stamps[i]->getNAtoms();
697 <        for( k=0; k<comp_stamps[i]->getNAtoms(); k++ ){
698 <          
699 <          current_atom = comp_stamps[i]->getAtom( k );
700 <          if( current_atom->haveOrientation() ){
701 <            
702 <            dAtom = new DirectionalAtom(index);
703 <            simnfo->n_oriented++;
704 <            the_atoms[index] = dAtom;
705 <            
706 <            ux = current_atom->getOrntX();
707 <            uy = current_atom->getOrntY();
708 <            uz = current_atom->getOrntZ();
709 <            
710 <            uSqr = (ux * ux) + (uy * uy) + (uz * uz);
711 <            
712 <            u = sqrt( uSqr );
713 <            ux = ux / u;
714 <            uy = uy / u;
715 <            uz = uz / u;
716 <            
717 <            dAtom->setSUx( ux );
718 <            dAtom->setSUy( uy );
719 <            dAtom->setSUz( uz );
720 <          }
721 <          else{
722 <            the_atoms[index] = new GeneralAtom(index);
723 <          }
724 <          the_atoms[index]->setType( current_atom->getType() );
725 <          the_atoms[index]->setIndex( index );
726 <          
727 <          // increment the index and repeat;
728 <          index++;
729 <        }
730 <        
731 <        molEnd = index -1;
732 <        the_molecules[lMolIndex].setNMembers( nMemb );
733 <        the_molecules[lMolIndex].setStartAtom( molStart );
734 <        the_molecules[lMolIndex].setEndAtom( molEnd );
735 <        the_molecules[lMolIndex].setStampID( i );
736 <        lMolIndex++;
800 >  
801 >  // init the atoms
802  
803 < #ifdef IS_MPI
804 <      }
805 < #endif //is_mpi
806 <      
807 <      molIndex++;
743 <    }
744 <  }
745 <
746 < #ifdef IS_MPI
747 <    for( i=0; i<mpiSim->getMyNlocal(); i++ ) the_atoms[i]->setGlobalIndex( globalIndex[i] );
803 >  double ux, uy, uz, u, uSqr;
804 >  
805 >  atomOffset = 0;
806 >  excludeOffset = 0;
807 >  for(i=0; i<simnfo->n_mol; i++){
808      
809 <    delete[] globalIndex;
809 >    stampID = the_molecules[i].getStampID();
810  
811 <    mpiSim->mpiRefresh();
812 < #endif //IS_MPI
813 <          
814 <  the_ff->initializeAtoms();
815 < }
811 >    info.nAtoms    = comp_stamps[stampID]->getNAtoms();
812 >    info.nBonds    = comp_stamps[stampID]->getNBonds();
813 >    info.nBends    = comp_stamps[stampID]->getNBends();
814 >    info.nTorsions = comp_stamps[stampID]->getNTorsions();
815 >    info.nExcludes = info.nBonds + info.nBends + info.nTorsions;
816  
817 < void SimSetup::makeBonds( void ){
817 >    info.myAtoms = &the_atoms[atomOffset];
818 >    info.myExcludes = &the_excludes[excludeOffset];
819 >    info.myBonds = new Bond*[info.nBonds];
820 >    info.myBends = new Bend*[info.nBends];
821 >    info.myTorsions = new Torsion*[info.nTorsions];
822  
823 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
824 <  bond_pair* the_bonds;
825 <  BondStamp* current_bond;
826 <
827 <  the_bonds = new bond_pair[tot_bonds];
828 <  index = 0;
829 <  offset = 0;
830 <  molIndex = 0;
831 <
832 <  for( i=0; i<n_components; i++ ){
769 <
770 <    for( j=0; j<components_nmol[i]; j++ ){
771 <
772 < #ifdef IS_MPI
773 <      if( mpiSim->getMyMolStart() <= molIndex &&
774 <          molIndex <= mpiSim->getMyMolEnd() ){
775 < #endif // is_mpi        
823 >    theBonds = new bond_pair[info.nBonds];
824 >    theBends = new bend_set[info.nBends];
825 >    theTorsions = new torsion_set[info.nTorsions];
826 >    
827 >    // make the Atoms
828 >    
829 >    for(j=0; j<info.nAtoms; j++){
830 >      
831 >      currentAtom = comp_stamps[stampID]->getAtom( j );
832 >      if( currentAtom->haveOrientation() ){
833          
834 <        for( k=0; k<comp_stamps[i]->getNBonds(); k++ ){
835 <          
836 <          current_bond = comp_stamps[i]->getBond( k );
837 <          the_bonds[index].a = current_bond->getA() + offset;
838 <          the_bonds[index].b = current_bond->getB() + offset;
839 <
840 <          exI = the_bonds[index].a;
841 <          exJ = the_bonds[index].b;
842 <
843 <          // exclude_I must always be the smaller of the pair
844 <          if( exI > exJ ){
845 <            tempEx = exI;
846 <            exI = exJ;
847 <            exJ = tempEx;
848 <          }
849 <
850 <          
834 >        dAtom = new DirectionalAtom(j + atomOffset);
835 >        simnfo->n_oriented++;
836 >        info.myAtoms[j] = dAtom;
837 >        
838 >        ux = currentAtom->getOrntX();
839 >        uy = currentAtom->getOrntY();
840 >        uz = currentAtom->getOrntZ();
841 >        
842 >        uSqr = (ux * ux) + (uy * uy) + (uz * uz);
843 >        
844 >        u = sqrt( uSqr );
845 >        ux = ux / u;
846 >        uy = uy / u;
847 >        uz = uz / u;
848 >        
849 >        dAtom->setSUx( ux );
850 >        dAtom->setSUy( uy );
851 >        dAtom->setSUz( uz );
852 >      }
853 >      else{
854 >        info.myAtoms[j] = new GeneralAtom(j + atomOffset);
855 >      }
856 >      info.myAtoms[j]->setType( currentAtom->getType() );
857 >    
858   #ifdef IS_MPI
859 +      
860 +      info.myAtoms[j]->setGlobalIndex( globalIndex[j+atomOffset] );
861 +      
862 + #endif // is_mpi
863 +    }
864 +    
865 +    // make the bonds
866 +    for(j=0; j<info.nBonds; j++){
867 +      
868 +      currentBond = comp_stamps[stampID]->getBond( j );
869 +      theBonds[j].a = currentBond->getA() + atomOffset;
870 +      theBonds[j].b = currentBond->getB() + atomOffset;
871  
872 <          the_excludes[index*2] =    
873 <            the_atoms[exI]->getGlobalIndex() + 1;
798 <          the_excludes[index*2 + 1] =
799 <            the_atoms[exJ]->getGlobalIndex() + 1;
872 >      exI = theBonds[j].a;
873 >      exJ = theBonds[j].b;
874  
875 < #else  // isn't MPI
876 <          
877 <          the_excludes[index*2] =     exI + 1;
878 <          the_excludes[index*2 + 1] = exJ + 1;
879 <          // fortran index from 1 (hence the +1 in the indexing)
806 < #endif  //is_mpi
807 <          
808 <          // increment the index and repeat;
809 <          index++;
810 <        }
811 <        offset += comp_stamps[i]->getNAtoms();
812 <        
813 < #ifdef IS_MPI
875 >      // exclude_I must always be the smaller of the pair
876 >      if( exI > exJ ){
877 >        tempEx = exI;
878 >        exI = exJ;
879 >        exJ = tempEx;
880        }
881 < #endif //is_mpi
881 > #ifdef IS_MPI
882 >      tempEx = exI;
883 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
884 >      tempEx = exJ;
885 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
886        
887 <      molIndex++;
888 <    }      
819 <  }
887 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
888 > #else  // isn't MPI
889  
890 <  the_ff->initializeBonds( the_bonds );
891 < }
890 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
891 > #endif  //is_mpi
892 >    }
893 >    excludeOffset += info.nBonds;
894  
895 < void SimSetup::makeBends( void ){
896 <
897 <  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
898 <  bend_set* the_bends;
899 <  BendStamp* current_bend;
900 <  LinkedAssign* extras;
901 <  LinkedAssign* current_extra;
831 <  
832 <
833 <  the_bends = new bend_set[tot_bends];
834 <  index = 0;
835 <  offset = 0;
836 <  molIndex = 0;
837 <  for( i=0; i<n_components; i++ ){
838 <
839 <    for( j=0; j<components_nmol[i]; j++ ){
840 <
841 < #ifdef IS_MPI
842 <      if( mpiSim->getMyMolStart() <= molIndex &&
843 <          molIndex <= mpiSim->getMyMolEnd() ){
844 < #endif // is_mpi        
845 <
846 <        for( k=0; k<comp_stamps[i]->getNBends(); k++ ){
895 >    //make the bends
896 >    for(j=0; j<info.nBends; j++){
897 >      
898 >      currentBend = comp_stamps[stampID]->getBend( j );
899 >      theBends[j].a = currentBend->getA() + atomOffset;
900 >      theBends[j].b = currentBend->getB() + atomOffset;
901 >      theBends[j].c = currentBend->getC() + atomOffset;
902            
903 <          current_bend = comp_stamps[i]->getBend( k );
849 <          the_bends[index].a = current_bend->getA() + offset;
850 <          the_bends[index].b = current_bend->getB() + offset;
851 <          the_bends[index].c = current_bend->getC() + offset;
852 <          
853 <          if( current_bend->haveExtras() ){
903 >      if( currentBend->haveExtras() ){
904              
905 <            extras = current_bend->getExtras();
906 <            current_extra = extras;
905 >        extras = currentBend->getExtras();
906 >        current_extra = extras;
907              
908 <            while( current_extra != NULL ){
909 <              if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
908 >        while( current_extra != NULL ){
909 >          if( !strcmp( current_extra->getlhs(), "ghostVectorSource" )){
910                  
911 <                switch( current_extra->getType() ){
911 >            switch( current_extra->getType() ){
912 >              
913 >            case 0:
914 >              theBends[j].ghost =
915 >                current_extra->getInt() + atomOffset;
916 >              theBends[j].isGhost = 1;
917 >              break;
918                    
919 <                case 0:
920 <                  the_bends[index].ghost =
921 <                    current_extra->getInt() + offset;
922 <                  the_bends[index].isGhost = 1;
923 <                  break;
868 <                  
869 <                case 1:
870 <                  the_bends[index].ghost =
871 <                    (int)current_extra->getDouble() + offset;
872 <                  the_bends[index].isGhost = 1;
873 <                  break;
874 <                  
875 <                default:
876 <                  sprintf( painCave.errMsg,
877 <                           "SimSetup Error: ghostVectorSource was neiter a "
878 <                           "double nor an int.\n"
879 <                           "-->Bend[%d] in %s\n",
880 <                           k, comp_stamps[i]->getID() );
881 <                  painCave.isFatal = 1;
882 <                  simError();
883 <                }
884 <              }
919 >            case 1:
920 >              theBends[j].ghost =
921 >                (int)current_extra->getDouble() + atomOffset;
922 >              theBends[j].isGhost = 1;
923 >              break;
924                
925 <              else{
926 <                
927 <                sprintf( painCave.errMsg,
928 <                         "SimSetup Error: unhandled bend assignment:\n"
929 <                         "    -->%s in Bend[%d] in %s\n",
930 <                         current_extra->getlhs(),
931 <                         k, comp_stamps[i]->getID() );
932 <                painCave.isFatal = 1;
894 <                simError();
895 <              }
896 <              
897 <              current_extra = current_extra->getNext();
925 >            default:
926 >              sprintf( painCave.errMsg,
927 >                       "SimSetup Error: ghostVectorSource was neither a "
928 >                       "double nor an int.\n"
929 >                       "-->Bend[%d] in %s\n",
930 >                       j, comp_stamps[stampID]->getID() );
931 >              painCave.isFatal = 1;
932 >              simError();
933              }
934            }
935            
901          if( !the_bends[index].isGhost ){
902            
903            exI = the_bends[index].a;
904            exJ = the_bends[index].c;
905          }
936            else{
937              
938 <            exI = the_bends[index].a;
939 <            exJ = the_bends[index].b;
938 >            sprintf( painCave.errMsg,
939 >                     "SimSetup Error: unhandled bend assignment:\n"
940 >                     "    -->%s in Bend[%d] in %s\n",
941 >                     current_extra->getlhs(),
942 >                     j, comp_stamps[stampID]->getID() );
943 >            painCave.isFatal = 1;
944 >            simError();
945            }
946            
947 <          // exclude_I must always be the smaller of the pair
948 <          if( exI > exJ ){
949 <            tempEx = exI;
950 <            exI = exJ;
951 <            exJ = tempEx;
952 <          }
947 >          current_extra = current_extra->getNext();
948 >        }
949 >      }
950 >          
951 >      if( !theBends[j].isGhost ){
952 >            
953 >        exI = theBends[j].a;
954 >        exJ = theBends[j].c;
955 >      }
956 >      else{
957 >        
958 >        exI = theBends[j].a;
959 >        exJ = theBends[j].b;
960 >      }
961 >      
962 >      // exclude_I must always be the smaller of the pair
963 >      if( exI > exJ ){
964 >        tempEx = exI;
965 >        exI = exJ;
966 >        exJ = tempEx;
967 >      }
968 > #ifdef IS_MPI
969 >      tempEx = exI;
970 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
971 >      tempEx = exJ;
972 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
973 >      
974 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
975 > #else  // isn't MPI
976 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
977 > #endif  //is_mpi
978 >    }
979 >    excludeOffset += info.nBends;
980  
981 +    for(j=0; j<info.nTorsions; j++){
982 +      
983 +      currentTorsion = comp_stamps[stampID]->getTorsion( j );
984 +      theTorsions[j].a = currentTorsion->getA() + atomOffset;
985 +      theTorsions[j].b = currentTorsion->getB() + atomOffset;
986 +      theTorsions[j].c = currentTorsion->getC() + atomOffset;
987 +      theTorsions[j].d = currentTorsion->getD() + atomOffset;
988 +      
989 +      exI = theTorsions[j].a;
990 +      exJ = theTorsions[j].d;
991  
992 +      // exclude_I must always be the smaller of the pair
993 +      if( exI > exJ ){
994 +        tempEx = exI;
995 +        exI = exJ;
996 +        exJ = tempEx;
997 +      }
998   #ifdef IS_MPI
999 <
1000 <          the_excludes[(index + tot_bonds)*2] =    
1001 <            the_atoms[exI]->getGlobalIndex() + 1;
1002 <          the_excludes[(index + tot_bonds)*2 + 1] =
1003 <            the_atoms[exJ]->getGlobalIndex() + 1;
1004 <          
999 >      tempEx = exI;
1000 >      exI = the_atoms[tempEx]->getGlobalIndex() + 1;
1001 >      tempEx = exJ;
1002 >      exJ = the_atoms[tempEx]->getGlobalIndex() + 1;
1003 >      
1004 >      the_excludes[j+excludeOffset]->setPair( exI, exJ );
1005   #else  // isn't MPI
1006 <          
929 <          the_excludes[(index + tot_bonds)*2] =     exI + 1;
930 <          the_excludes[(index + tot_bonds)*2 + 1] = exJ + 1;
931 <          // fortran index from 1 (hence the +1 in the indexing)
1006 >      the_excludes[j+excludeOffset]->setPair( (exI+1), (exJ+1) );
1007   #endif  //is_mpi
933          
934          
935          // increment the index and repeat;
936          index++;
937        }
938        offset += comp_stamps[i]->getNAtoms();
939        
940 #ifdef IS_MPI
941      }
942 #endif //is_mpi
943
944      molIndex++;
1008      }
1009 +    excludeOffset += info.nTorsions;
1010 +
1011 +    
1012 +    // send the arrays off to the forceField for init.
1013 +
1014 +    the_ff->initializeAtoms( info.nAtoms, info.myAtoms );
1015 +    the_ff->initializeBonds( info.nBonds, info.myBonds, theBonds );
1016 +    the_ff->initializeBends( info.nBends, info.myBends, theBends );
1017 +    the_ff->initializeTorsions( info.nTorsions, info.myTorsions, theTorsions );
1018 +
1019 +
1020 +    the_molecules[i].initialize( info );
1021 +
1022 +
1023 +    atomOffset += info.nAtoms;
1024 +    delete[] theBonds;
1025 +    delete[] theBends;
1026 +    delete[] theTorsions;
1027    }
1028  
1029   #ifdef IS_MPI
1030 <  sprintf( checkPointMsg,
950 <           "Successfully created the bends list.\n" );
1030 >  sprintf( checkPointMsg, "all molecules initialized succesfully" );
1031    MPIcheckPoint();
1032   #endif // is_mpi
953  
1033  
1034 <  the_ff->initializeBends( the_bends );
1035 < }
1034 >  // clean up the forcefield
1035 >  the_ff->calcRcut();
1036 >  the_ff->cleanMe();
1037  
958 void SimSetup::makeTorsions( void ){
959
960  int i, j, k, index, offset, molIndex, exI, exJ, tempEx;
961  torsion_set* the_torsions;
962  TorsionStamp* current_torsion;
963
964  the_torsions = new torsion_set[tot_torsions];
965  index = 0;
966  offset = 0;
967  molIndex = 0;
968  for( i=0; i<n_components; i++ ){
969
970    for( j=0; j<components_nmol[i]; j++ ){
971
972 #ifdef IS_MPI
973      if( mpiSim->getMyMolStart() <= molIndex &&
974          molIndex <= mpiSim->getMyMolEnd() ){
975 #endif // is_mpi        
976
977      for( k=0; k<comp_stamps[i]->getNTorsions(); k++ ){
978
979        current_torsion = comp_stamps[i]->getTorsion( k );
980        the_torsions[index].a = current_torsion->getA() + offset;
981        the_torsions[index].b = current_torsion->getB() + offset;
982        the_torsions[index].c = current_torsion->getC() + offset;
983        the_torsions[index].d = current_torsion->getD() + offset;
984
985        exI = the_torsions[index].a;
986        exJ = the_torsions[index].d;
987
988        
989        // exclude_I must always be the smaller of the pair
990        if( exI > exJ ){
991          tempEx = exI;
992          exI = exJ;
993          exJ = tempEx;
994        }
995
996
997 #ifdef IS_MPI
998        
999        the_excludes[(index + tot_bonds + tot_bends)*2] =    
1000          the_atoms[exI]->getGlobalIndex() + 1;
1001        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] =
1002          the_atoms[exJ]->getGlobalIndex() + 1;
1003        
1004 #else  // isn't MPI
1005        
1006        the_excludes[(index + tot_bonds + tot_bends)*2] =     exI + 1;
1007        the_excludes[(index + tot_bonds + tot_bends)*2 + 1] = exJ + 1;
1008        // fortran indexes from 1 (hence the +1 in the indexing)
1009 #endif  //is_mpi
1010        
1011
1012        // increment the index and repeat;
1013        index++;
1014      }
1015      offset += comp_stamps[i]->getNAtoms();
1016
1017 #ifdef IS_MPI
1018      }
1019 #endif //is_mpi      
1020
1021      molIndex++;
1022    }
1023  }
1024
1025  the_ff->initializeTorsions( the_torsions );
1038   }
1039  
1040   void SimSetup::initFromBass( void ){

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