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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 474 by gezelter, Mon Apr 7 21:42:19 2003 UTC vs.
Revision 567 by mmeineke, Wed Jun 25 21:12:14 2003 UTC

# Line 12 | Line 12 | SimSetup::SimSetup(){
12   #include "mpiSimulation.hpp"
13   #endif
14  
15 + // some defines for ensemble and Forcefield  cases
16 +
17 + #define NVE_ENS 0
18 + #define NVT_ENS 1
19 + #define NPT_ENS 2
20 +
21 + #define FF_DUFF 0
22 + #define FF_LJ   1
23 +
24 +
25   SimSetup::SimSetup(){
26    stamps = new MakeStamps();
27    globals = new Globals();
# Line 66 | Line 76 | void SimSetup::createSim( void ){
76  
77    MakeStamps *the_stamps;
78    Globals* the_globals;
79 <  ExtendedSystem* the_extendedsystem;
80 <  int i, j;
79 >  int i, j, k, globalAtomIndex;
80 >  
81 >  int ensembleCase;
82 >  int ffCase;
83 >  
84 >  ensembleCase = -1;
85 >  ffCase = -1;
86  
87    // get the stamps and globals;
88    the_stamps = stamps;
# Line 82 | Line 97 | void SimSetup::createSim( void ){
97    n_components = the_globals->getNComponents();
98    strcpy( force_field, the_globals->getForceField() );
99  
100 <  // get the ensemble and set up an extended system if we need it:
100 >  if( !strcasecmp( force_field, "DUFF" )) ffCase = FF_DUFF;
101 >  else if( !strcasecmp( force_field, "LJ" )) ffCase = FF_LJ;
102 >  else{
103 >    sprintf( painCave.errMsg,
104 >             "SimSetup Error. Unrecognized force field -> %s\n",
105 >             force_field );
106 >    painCave.isFatal = 1;
107 >    simError();
108 >  }
109 >
110 >  // get the ensemble:
111    strcpy( ensemble, the_globals->getEnsemble() );
112 <  if( !strcasecmp( ensemble, "NPT" ) ) {
113 <    the_extendedsystem = new ExtendedSystem( simnfo );
114 <    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
115 <    the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
116 <    the_extendedsystem->setQmass(the_globals->getQmass());
92 <    the_extendedsystem->setTauRelax(the_globals->getTauRelax());
93 <  } else if ( !strcasecmp( ensemble, "NVT") ) {
94 <    the_extendedsystem = new ExtendedSystem( simnfo );
95 <    the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
96 <    the_extendedsystem->setQmass(the_globals->getQmass());    
97 <  } else if ( !strcasecmp( ensemble, "NVE") ) {
98 <  } else {
112 >
113 >  if( !strcasecmp( ensemble, "NVE" ))      ensembleCase = NVE_ENS;
114 >  else if( !strcasecmp( ensemble, "NVT" )) ensembleCase = NVT_ENS;
115 >  else if( !strcasecmp( ensemble, "NPT" )) ensembleCase = NPT_ENS;
116 >  else{
117      sprintf( painCave.errMsg,
118               "SimSetup Warning. Unrecognized Ensemble -> %s, "
119               "reverting to NVE for this simulation.\n",
# Line 103 | Line 121 | void SimSetup::createSim( void ){
121      painCave.isFatal = 0;
122      simError();
123      strcpy( ensemble, "NVE" );
124 +    ensembleCase = NVE_ENS;
125    }  
126    strcpy( simnfo->ensemble, ensemble );
127 +
128 +
129 + //   if( !strcasecmp( ensemble, "NPT" ) ) {
130 + //     the_extendedsystem = new ExtendedSystem( simnfo );
131 + //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
132 + //     if (the_globals->haveTargetPressure())
133 + //       the_extendedsystem->setTargetPressure(the_globals->getTargetPressure());
134 + //     else {
135 + //       sprintf( painCave.errMsg,
136 + //                "SimSetup error: If you use the constant pressure\n"
137 + //                "    ensemble, you must set targetPressure.\n"
138 + //                "    This was found in the BASS file.\n");
139 + //       painCave.isFatal = 1;
140 + //       simError();
141 + //     }
142 +
143 + //     if (the_globals->haveTauThermostat())
144 + //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
145 + //     else if (the_globals->haveQmass())
146 + //       the_extendedsystem->setQmass(the_globals->getQmass());
147 + //     else {
148 + //       sprintf( painCave.errMsg,
149 + //                "SimSetup error: If you use one of the constant temperature\n"
150 + //                "    ensembles, you must set either tauThermostat or qMass.\n"
151 + //                "    Neither of these was found in the BASS file.\n");
152 + //       painCave.isFatal = 1;
153 + //       simError();
154 + //     }
155 +
156 + //     if (the_globals->haveTauBarostat())
157 + //       the_extendedsystem->setTauBarostat(the_globals->getTauBarostat());
158 + //     else {
159 + //       sprintf( painCave.errMsg,
160 + //                "SimSetup error: If you use the constant pressure\n"
161 + //                "    ensemble, you must set tauBarostat.\n"
162 + //                "    This was found in the BASS file.\n");
163 + //       painCave.isFatal = 1;
164 + //       simError();
165 + //     }
166 +
167 + //   } else if ( !strcasecmp( ensemble, "NVT") ) {
168 + //     the_extendedsystem = new ExtendedSystem( simnfo );
169 + //     the_extendedsystem->setTargetTemp(the_globals->getTargetTemp());
170 +
171 + //     if (the_globals->haveTauThermostat())
172 + //       the_extendedsystem->setTauThermostat(the_globals->getTauThermostat());
173 + //     else if (the_globals->haveQmass())
174 + //       the_extendedsystem->setQmass(the_globals->getQmass());
175 + //     else {
176 + //       sprintf( painCave.errMsg,
177 + //                "SimSetup error: If you use one of the constant temperature\n"
178 + //                "    ensembles, you must set either tauThermostat or qMass.\n"
179 + //                "    Neither of these was found in the BASS file.\n");
180 + //       painCave.isFatal = 1;
181 + //       simError();
182 + //     }
183  
184    strcpy( simnfo->mixingRule, the_globals->getMixingRule() );
185    simnfo->usePBC = the_globals->getPBC();
186            
187    int usesDipoles = 0;
188 <  if( !strcmp( force_field, "TraPPE_Ex" ) ){
189 <    the_ff = new TraPPE_ExFF();
188 >  switch( ffCase ){
189 >
190 >  case FF_DUFF:
191 >    the_ff = new DUFF();
192      usesDipoles = 1;
193 <  }
194 <  else if( !strcasecmp( force_field, "LJ" ) ) the_ff = new LJ_FF();
195 <  else{
193 >    break;
194 >
195 >  case FF_LJ:
196 >    the_ff = new LJFF();
197 >    break;
198 >
199 >  default:
200      sprintf( painCave.errMsg,
201 <             "SimSetup Error. Unrecognized force field -> %s\n",
121 <             force_field );
201 >             "SimSetup Error. Unrecognized force field in case statement.\n");
202      painCave.isFatal = 1;
203      simError();
204    }
# Line 128 | Line 208 | void SimSetup::createSim( void ){
208    MPIcheckPoint();
209   #endif // is_mpi
210  
131 –  
132 –
211    // get the components and calculate the tot_nMol and indvidual n_mol
212    the_components = the_globals->getComponents();
213    components_nmol = new int[n_components];
# Line 253 | Line 331 | void SimSetup::createSim( void ){
331    simnfo->n_torsions = tot_torsions;
332    simnfo->n_SRI = tot_SRI;
333    simnfo->n_mol = tot_nmol;
256 –
334    
335 +  simnfo->molMembershipArray = new int[tot_atoms];
336 +
337   #ifdef IS_MPI
338  
339    // divide the molecules among processors here.
340    
341    mpiSim = new mpiSimulation( simnfo );
342    
264 –  
265 –
343    globalIndex = mpiSim->divideLabor();
344  
345    // set up the local variables
# Line 279 | Line 356 | void SimSetup::createSim( void ){
356    local_bonds = 0;
357    local_bends = 0;
358    local_torsions = 0;
359 +  globalAtomIndex = 0;
360 +
361 +
362    for( i=0; i<n_components; i++ ){
363  
364      for( j=0; j<components_nmol[i]; j++ ){
365        
366 <      if( mol2proc[j] == worldRank ){
366 >      if( mol2proc[allMol] == worldRank ){
367          
368          local_atoms +=    comp_stamps[i]->getNAtoms();
369          local_bonds +=    comp_stamps[i]->getNBonds();
# Line 291 | Line 371 | void SimSetup::createSim( void ){
371          local_torsions += comp_stamps[i]->getNTorsions();
372          localMol++;
373        }      
374 <      allMol++;
374 >      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
375 >        simnfo->molMembershipArray[globalAtomIndex] = allMol;
376 >        globalAtomIndex++;
377 >      }
378 >
379 >      allMol++;      
380      }
381    }
382    local_SRI = local_bonds + local_bends + local_torsions;
383    
299 –
384    simnfo->n_atoms = mpiSim->getMyNlocal();  
385    
386    if( local_atoms != simnfo->n_atoms ){
# Line 340 | Line 424 | void SimSetup::createSim( void ){
424      if(mol2proc[i] == worldRank ){
425        the_molecules[molIndex].setStampID( molCompType[i] );
426        the_molecules[molIndex].setMyIndex( molIndex );
427 +      the_molecules[molIndex].setGlobalIndex( i );
428        molIndex++;
429      }
430    }
# Line 347 | Line 432 | void SimSetup::createSim( void ){
432   #else // is_mpi
433    
434    molIndex = 0;
435 +  globalAtomIndex = 0;
436    for(i=0; i<n_components; i++){
437      for(j=0; j<components_nmol[i]; j++ ){
438        the_molecules[molIndex].setStampID( i );
439        the_molecules[molIndex].setMyIndex( molIndex );
440 +      the_molecules[molIndex].setGlobalIndex( molIndex );
441 +      for (k = 0; k < comp_stamps[i]->getNAtoms(); k++) {
442 +        simnfo->molMembershipArray[globalAtomIndex] = molIndex;
443 +        globalAtomIndex++;
444 +      }
445        molIndex++;
446      }
447    }
# Line 676 | Line 767 | void SimSetup::createSim( void ){
767    if( the_globals->haveTempSet() ) simnfo->setTemp = the_globals->getTempSet();
768  
769  
770 < //   // make the longe range forces and the integrator
770 >  // make the integrator
771 >  
772 >  
773 >  NVT* myNVT = NULL;
774 >  switch( ensembleCase ){
775  
776 < //   new AllLong( simnfo );
776 >  case NVE_ENS:
777 >    new NVE( simnfo, the_ff );
778 >    break;
779  
780 +  case NVT_ENS:
781 +    myNVT = new NVT( simnfo, the_ff );
782 +    myNVT->setTargetTemp(the_globals->getTargetTemp());
783  
784 <  if( !strcmp( force_field, "TraPPE_Ex" ) ){
785 <    new Symplectic(simnfo, the_ff, the_extendedsystem);
786 <    std::cerr << "called new Symplecic\n";
787 <    fprintf( stderr, "called new Symplectic. stderr\n" );
788 <  }
789 <  else if( !strcmp( force_field, "LJ" ) ){
790 <    new Verlet( *simnfo, the_ff, the_extendedsystem );
791 <    std::cerr << "called new Verlet\n";
792 <    fprintf( stderr, "called new Verlet. stderr\n" );
793 <  }
794 <  else {
795 <    std::cerr << "I'm a bug.\n";
796 <    fprintf( stderr, "Ima bug. stderr %s\n", force_field);
784 >    if (the_globals->haveTauThermostat())
785 >      myNVT->setTauThermostat(the_globals->getTauThermostat());
786 > //     else if (the_globals->haveQmass())
787 > //       myNVT->setQmass(the_globals->getQmass());
788 >    else {
789 >      sprintf( painCave.errMsg,
790 >               "SimSetup error: If you use the NVT\n"
791 >               "    ensemble, you must set either tauThermostat or qMass.\n"
792 >               "    Neither of these was found in the BASS file.\n");
793 >      painCave.isFatal = 1;
794 >      simError();
795 >    }
796 >    break;
797 >
798 >  default:
799 >    sprintf( painCave.errMsg,
800 >             "SimSetup Error. Unrecognized ensemble in case statement.\n");
801 >    painCave.isFatal = 1;
802 >    simError();
803    }
804 +
805 +
806   #ifdef IS_MPI
807    mpiSim->mpiRefresh();
808   #endif

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