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root/OpenMD/trunk/src/brains/SimInfo.cpp
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Comparing trunk/src/brains/SimInfo.cpp (file contents):
Revision 629 by chuckv, Mon Sep 26 15:58:17 2005 UTC vs.
Revision 645 by chrisfen, Tue Oct 4 19:34:03 2005 UTC

# Line 83 | Line 83 | namespace oopse {
83        MoleculeStamp* molStamp;
84        int nMolWithSameStamp;
85        int nCutoffAtoms = 0; // number of atoms belong to cutoff groups
86 <      int nGroups = 0;          //total cutoff groups defined in meta-data file
86 >      int nGroups = 0;      //total cutoff groups defined in meta-data file
87        CutoffGroupStamp* cgStamp;    
88        RigidBodyStamp* rbStamp;
89        int nRigidAtoms = 0;
# Line 108 | Line 108 | namespace oopse {
108          }
109  
110          nGroups += nCutoffGroupsInStamp * nMolWithSameStamp;
111 +
112          nCutoffAtoms += nAtomsInGroups * nMolWithSameStamp;            
113  
114          //calculate atoms in rigid bodies
# Line 124 | Line 125 | namespace oopse {
125          
126        }
127  
128 <      //every free atom (atom does not belong to cutoff groups) is a cutoff group
129 <      //therefore the total number of cutoff groups in the system is equal to
130 <      //the total number of atoms minus number of atoms belong to cutoff group defined in meta-data
131 <      //file plus the number of cutoff groups defined in meta-data file
128 >      //every free atom (atom does not belong to cutoff groups) is a cutoff
129 >      //group therefore the total number of cutoff groups in the system is
130 >      //equal to the total number of atoms minus number of atoms belong to
131 >      //cutoff group defined in meta-data file plus the number of cutoff
132 >      //groups defined in meta-data file
133        nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
134  
135 <      //every free atom (atom does not belong to rigid bodies) is an integrable object
136 <      //therefore the total number of  integrable objects in the system is equal to
137 <      //the total number of atoms minus number of atoms belong to  rigid body defined in meta-data
138 <      //file plus the number of  rigid bodies defined in meta-data file
139 <      nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms + nGlobalRigidBodies_;
140 <
135 >      //every free atom (atom does not belong to rigid bodies) is an
136 >      //integrable object therefore the total number of integrable objects
137 >      //in the system is equal to the total number of atoms minus number of
138 >      //atoms belong to rigid body defined in meta-data file plus the number
139 >      //of rigid bodies defined in meta-data file
140 >      nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms
141 >                                                + nGlobalRigidBodies_;
142 >  
143        nGlobalMols_ = molStampIds_.size();
144  
145   #ifdef IS_MPI    
# Line 662 | Line 666 | namespace oopse {
666  
667          totalMass = cg->getMass();
668          for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
669 <          mfact.push_back(atom->getMass()/totalMass);
669 >          // Check for massless groups - set mfact to 1 if true
670 >          if (totalMass != 0)
671 >            mfact.push_back(atom->getMass()/totalMass);
672 >          else
673 >            mfact.push_back( 1.0 );
674          }
675  
676        }      

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