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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
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Comparing trunk/OOPSE/libmdtools/SimInfo.cpp (file contents):
Revision 1150 by gezelter, Fri May 7 21:35:05 2004 UTC vs.
Revision 1198 by tim, Thu May 27 00:48:12 2004 UTC

# Line 42 | Line 42 | SimInfo::SimInfo(){
42    thermalTime = 0.0;
43    currentTime = 0.0;
44    rCut = 0.0;
45 <  ecr = 0.0;
46 <  est = 0.0;
45 >  rSw = 0.0;
46  
47    haveRcut = 0;
48 <  haveEcr = 0;
48 >  haveRsw = 0;
49    boxIsInit = 0;
50    
51    resetTime = 1e99;
# Line 63 | Line 62 | SimInfo::SimInfo(){
62    useReactionField = 0;
63    useGB = 0;
64    useEAM = 0;
65 <  useMolecularCutoffs = 0;
65 >  useThermInt = 0;
66 >
67 >  haveCutoffGroups = false;
68  
69    excludes = Exclude::Instance();
70  
# Line 452 | Line 453 | void SimInfo::refreshSim(){
453    isError = 0;
454    
455    getFortranGroupArray(this, mfact, ngroup, groupList, groupStart);
456 <  
456 >  //it may not be a good idea to pass the address of first element in vector
457 >  //since c++ standard does not require vector to be stored continuously in meomory
458 >  //Most of the compilers will organize the memory of vector continuously
459    setFsimulation( &fInfo, &n_global, &n_atoms, identArray, &n_exclude, excl,
460                    &nGlobalExcludes, globalExcludes, molMembershipArray,
461                    &mfact[0], &ngroup, &groupList[0], &groupStart[0], &isError);
# Line 480 | Line 483 | void SimInfo::setDefaultRcut( double theRcut ){
483    
484    haveRcut = 1;
485    rCut = theRcut;
486 +  rList = rCut + 1.0;
487    
488 <  ( rCut > ecr )? rList = rCut + 1.0: rList = ecr + 1.0;
485 <  
486 <  notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
488 >  notifyFortranCutOffs( &rCut, &rSw, &rList );
489   }
490  
491 < void SimInfo::setDefaultEcr( double theEcr ){
491 > void SimInfo::setDefaultRcut( double theRcut, double theRsw ){
492  
493 <  haveEcr = 1;
494 <  ecr = theEcr;
493 <  
494 <  ( rCut > ecr )? rList = rCut + 1.0: rList = ecr + 1.0;
495 <
496 <  notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
493 >  rSw = theRsw;
494 >  setDefaultRcut( theRcut );
495   }
496  
499 void SimInfo::setDefaultEcr( double theEcr, double theEst ){
497  
501  est = theEst;
502  setDefaultEcr( theEcr );
503 }
504
505
498   void SimInfo::checkCutOffs( void ){
499    
500    if( boxIsInit ){
# Line 511 | Line 503 | void SimInfo::checkCutOffs( void ){
503      
504      if( rCut > maxCutoff ){
505        sprintf( painCave.errMsg,
506 <               "LJrcut is too large for the current periodic box.\n"
507 <               "\tCurrent Value of LJrcut = %G at time %G\n "
506 >               "cutoffRadius is too large for the current periodic box.\n"
507 >               "\tCurrent Value of cutoffRadius = %G at time %G\n "
508                 "\tThis is larger than half of at least one of the\n"
509                 "\tperiodic box vectors.  Right now, the Box matrix is:\n"
510                 "\n"
# Line 525 | Line 517 | void SimInfo::checkCutOffs( void ){
517                 Hmat[2][0], Hmat[2][1], Hmat[2][2]);
518        painCave.isFatal = 1;
519        simError();
520 <    }
529 <    
530 <    if( haveEcr ){
531 <      if( ecr > maxCutoff ){
532 <        sprintf( painCave.errMsg,
533 <                 "electrostaticCutoffRadius is too large for the current\n"
534 <                 "\tperiodic box.\n\n"
535 <                 "\tCurrent Value of ECR = %G at time %G\n "
536 <                 "\tThis is larger than half of at least one of the\n"
537 <                 "\tperiodic box vectors.  Right now, the Box matrix is:\n"
538 <                 "\n"
539 <                 "\t[ %G %G %G ]\n"
540 <                 "\t[ %G %G %G ]\n"
541 <                 "\t[ %G %G %G ]\n",
542 <                 ecr, currentTime,
543 <                 Hmat[0][0], Hmat[0][1], Hmat[0][2],
544 <                 Hmat[1][0], Hmat[1][1], Hmat[1][2],
545 <                 Hmat[2][0], Hmat[2][1], Hmat[2][2]);
546 <        painCave.isFatal = 1;
547 <        simError();
548 <      }
549 <    }
520 >    }    
521    } else {
522      // initialize this stuff before using it, OK?
523      sprintf( painCave.errMsg,
# Line 597 | Line 568 | void getFortranGroupArray(SimInfo* info, vector<double
568  
569   void getFortranGroupArray(SimInfo* info, vector<double>& mfact, int& ngroup,
570                            vector<int>& groupList, vector<int>& groupStart){
571 <  Molecule* mol;
571 >  Molecule* myMols;
572    Atom** myAtoms;
573    int numAtom;
574    int curIndex;
575    double mtot;
576 <
576 >  int numMol;
577 >  int numCutoffGroups;
578 >  CutoffGroup* myCutoffGroup;
579 >  vector<CutoffGroup*>::iterator iterCutoff;
580 >  Atom* cutoffAtom;
581 >  vector<Atom*>::iterator iterAtom;
582 >  int atomIndex;
583 >  double totalMass;
584 >  
585    mfact.clear();
586    groupList.clear();
587    groupStart.clear();
588    
589    //Be careful, fortran array begin at 1
590    curIndex = 1;
612  
613  if(info->useMolecularCutoffs){
614    
615 #ifdef IS_MPI
616    ngroup = mpiSim->getMyNMol();
617 #else
618    ngroup = info->n_mol;
619 #endif
620    
621    for(int i = 0; i < ngroup; i ++){
622      mol = &(info->molecules[i]);
623      numAtom = mol->getNAtoms();
624      myAtoms = mol->getMyAtoms();
625      mtot = 0.0;
591  
592 <      for(int j=0; j < numAtom; j++)
593 <        mtot += myAtoms[j]->getMass();                
594 <      
595 <      for(int j=0; j < numAtom; j++){
596 <              
597 <        // We want the local Index:
633 <        groupList.push_back(myAtoms[j]->getIndex() + 1);
634 <        mfact.push_back(myAtoms[j]->getMass() / mtot);
592 >  myMols = info->molecules;
593 >  numMol = info->n_mol;
594 >  for(int i  = 0; i < numMol; i++){
595 >    numCutoffGroups = myMols[i].getNCutoffGroups();
596 >    for(myCutoffGroup =myMols[i].beginCutoffGroup(iterCutoff); myCutoffGroup != NULL;
597 >                                                  myCutoffGroup =myMols[i].nextCutoffGroup(iterCutoff)){
598  
599 <      }
599 >      totalMass = myCutoffGroup->getMass();
600        
601 +      for(cutoffAtom = myCutoffGroup->beginAtom(iterAtom); cutoffAtom != NULL;
602 +                                           cutoffAtom = myCutoffGroup->nextAtom(iterAtom)){
603 +        mfact.push_back(cutoffAtom->getMass()/totalMass);
604 +        groupList.push_back(cutoffAtom->getIndex() + 1);
605 +      }  
606 +                              
607        groupStart.push_back(curIndex);
608 <      curIndex += numAtom;
609 <      
610 <    } //end for(int i =0 ; i < ngroup; i++)    
611 <  }
612 <  else{
613 <    //using atomic cutoff, every single atom is just a group
614 <    
615 < #ifdef IS_MPI
616 <    ngroup = mpiSim->getMyNlocal();
617 < #else
649 <    ngroup = info->n_atoms;
650 < #endif
651 <    
652 <    for(int i =0 ; i < ngroup; i++){
653 <      groupStart.push_back(curIndex++);      
654 <      groupList.push_back((info->atoms[i])->getIndex() + 1);
655 <      mfact.push_back(1.0);
656 <      
657 <    }//end for(int i =0 ; i < ngroup; i++)
658 <    
659 <  }//end if (info->useMolecularCutoffs)
660 <  
608 >      curIndex += myCutoffGroup->getNumAtom();
609 >
610 >    }//end for(myCutoffGroup =myMols[i].beginCutoffGroup(iterCutoff))
611 >
612 >  }//end for(int i  = 0; i < numMol; i++)
613 >
614 >
615 >  //The last cutoff group need more element to indicate the end of the cutoff
616 >  groupStart.push_back(curIndex);
617 >  ngroup = groupStart.size() - 1;
618   }

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