| 838 |  | Atom* atom; | 
| 839 |  | RealType totalMass; | 
| 840 |  |  | 
| 841 | < | //to avoid memory reallocation, reserve enough space for massFactors_ | 
| 841 | > | /** | 
| 842 | > | * The mass factor is the relative mass of an atom to the total | 
| 843 | > | * mass of the cutoff group it belongs to.  By default, all atoms | 
| 844 | > | * are their own cutoff groups, and therefore have mass factors of | 
| 845 | > | * 1.  We need some special handling for massless atoms, which | 
| 846 | > | * will be treated as carrying the entire mass of the cutoff | 
| 847 | > | * group. | 
| 848 | > | */ | 
| 849 |  | massFactors_.clear(); | 
| 850 | < | massFactors_.reserve(getNCutoffGroups()); | 
| 850 | > | massFactors_.resize(getNAtoms(), 1.0); | 
| 851 |  |  | 
| 852 |  | for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) { | 
| 853 |  | for (cg = mol->beginCutoffGroup(ci); cg != NULL; | 
| 856 |  | totalMass = cg->getMass(); | 
| 857 |  | for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) { | 
| 858 |  | // Check for massless groups - set mfact to 1 if true | 
| 859 | < | if (totalMass != 0) | 
| 860 | < | massFactors_.push_back(atom->getMass()/totalMass); | 
| 859 | > | if (totalMass != 0) | 
| 860 | > | massFactors_[atom->getLocalIndex()] = atom->getMass()/totalMass; | 
| 861 |  | else | 
| 862 | < | massFactors_.push_back( 1.0 ); | 
| 862 | > | massFactors_[atom->getLocalIndex()] = 1.0; | 
| 863 |  | } | 
| 864 |  | } | 
| 865 |  | } | 
| 886 |  | int* oneThreeList = oneThreeInteractions_.getPairList(); | 
| 887 |  | int* oneFourList = oneFourInteractions_.getPairList(); | 
| 888 |  |  | 
| 882 | – | //setFortranSim( &fInfo_, &nGlobalAtoms_, &nAtoms_, &identArray_[0], | 
| 883 | – | //               &nExclude, excludeList, | 
| 884 | – | //               &nOneTwo, oneTwoList, | 
| 885 | – | //               &nOneThree, oneThreeList, | 
| 886 | – | //               &nOneFour, oneFourList, | 
| 887 | – | //               &molMembershipArray[0], &mfact[0], &nCutoffGroups_, | 
| 888 | – | //               &fortranGlobalGroupMembership[0], &isError); | 
| 889 | – |  | 
| 889 |  | topologyDone_ = true; | 
| 890 |  | } | 
| 891 |  |  |