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#include <stdlib.h> | 
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/* | 
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 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
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 * | 
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 * The University of Notre Dame grants you ("Licensee") a | 
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 * non-exclusive, royalty free, license to use, modify and | 
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 * redistribute this software in source and binary code form, provided | 
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 * that the following conditions are met: | 
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 * | 
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 * 1. Acknowledgement of the program authors must be made in any | 
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 *    publication of scientific results based in part on use of the | 
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 *    program.  An acceptable form of acknowledgement is citation of | 
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 *    the article in which the program was described (Matthew | 
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 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
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 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
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 *    Parallel Simulation Engine for Molecular Dynamics," | 
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 *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
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 * | 
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 * 2. Redistributions of source code must retain the above copyright | 
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 *    notice, this list of conditions and the following disclaimer. | 
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 * | 
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 * 3. Redistributions in binary form must reproduce the above copyright | 
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 *    notice, this list of conditions and the following disclaimer in the | 
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 *    documentation and/or other materials provided with the | 
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 *    distribution. | 
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 * | 
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 * This software is provided "AS IS," without a warranty of any | 
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 * kind. All express or implied conditions, representations and | 
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 * warranties, including any implied warranty of merchantability, | 
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 * fitness for a particular purpose or non-infringement, are hereby | 
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 * excluded.  The University of Notre Dame and its licensors shall not | 
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 * be liable for any damages suffered by licensee as a result of | 
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 * using, modifying or distributing the software or its | 
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 * derivatives. In no event will the University of Notre Dame or its | 
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 * licensors be liable for any lost revenue, profit or data, or for | 
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 * direct, indirect, special, consequential, incidental or punitive | 
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 * damages, however caused and regardless of the theory of liability, | 
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 * arising out of the use of or inability to use software, even if the | 
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 * University of Notre Dame has been advised of the possibility of | 
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 * such damages. | 
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 */ | 
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  | 
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/** | 
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 * @file Molecule.cpp | 
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 * @author    tlin | 
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 * @date  10/28/2004 | 
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 * @version 1.0 | 
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 */  | 
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 | 
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#include <algorithm> | 
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#include <set> | 
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 | 
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#include "primitives/Molecule.hpp" | 
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#include "utils/MemoryUtils.hpp" | 
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#include "utils/simError.h" | 
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 | 
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namespace oopse { | 
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  Molecule::Molecule(int stampId, int globalIndex, const std::string& molName)  | 
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    : stampId_(stampId), globalIndex_(globalIndex), moleculeName_(molName) { | 
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 | 
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    } | 
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 | 
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Molecule::Molecule( void ){ | 
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  Molecule::~Molecule() { | 
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 | 
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  myAtoms = NULL; | 
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  myBonds = NULL; | 
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  myBends = NULL; | 
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  myTorsions = NULL; | 
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} | 
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    MemoryUtils::deletePointers(atoms_); | 
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    MemoryUtils::deletePointers(bonds_); | 
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    MemoryUtils::deletePointers(bends_); | 
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    MemoryUtils::deletePointers(torsions_); | 
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    MemoryUtils::deletePointers(rigidBodies_); | 
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    MemoryUtils::deletePointers(cutoffGroups_); | 
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    MemoryUtils::deletePointers(constraintPairs_); | 
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    MemoryUtils::deletePointers(constraintElems_); | 
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    //integrableObjects_ don't own the objects | 
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    integrableObjects_.clear(); | 
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     | 
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  } | 
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 | 
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Molecule::~Molecule( void ){ | 
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  int i; | 
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  CutoffGroup* cg; | 
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  vector<CutoffGroup*>::iterator iter; | 
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   | 
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  if( myAtoms != NULL ){ | 
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    for(i=0; i<nAtoms; i++) if(myAtoms[i] != NULL ) delete myAtoms[i]; | 
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    delete[] myAtoms; | 
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  void Molecule::addAtom(Atom* atom) { | 
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    if (std::find(atoms_.begin(), atoms_.end(), atom) == atoms_.end()) { | 
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      atoms_.push_back(atom); | 
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    } | 
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  } | 
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 | 
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  if( myBonds != NULL ){ | 
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    for(i=0; i<nBonds; i++) if(myBonds[i] != NULL ) delete myBonds[i]; | 
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    delete[] myBonds; | 
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  void Molecule::addBond(Bond* bond) { | 
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    if (std::find(bonds_.begin(), bonds_.end(), bond) == bonds_.end()) { | 
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      bonds_.push_back(bond); | 
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    } | 
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  } | 
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 | 
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  if( myBends != NULL ){ | 
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    for(i=0; i<nBends; i++) if(myBends[i] != NULL ) delete myBends[i]; | 
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    delete[] myBends; | 
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  void Molecule::addBend(Bend* bend) { | 
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    if (std::find(bends_.begin(), bends_.end(), bend) == bends_.end()) { | 
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      bends_.push_back(bend); | 
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    } | 
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  } | 
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 | 
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  if( myTorsions != NULL ){ | 
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    for(i=0; i<nTorsions; i++) if(myTorsions[i] != NULL ) delete myTorsions[i]; | 
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    delete[] myTorsions; | 
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  void Molecule::addTorsion(Torsion* torsion) { | 
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    if (std::find(torsions_.begin(), torsions_.end(), torsion) == torsions_.end()) { | 
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      torsions_.push_back(torsion); | 
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    } | 
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  } | 
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 | 
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  for(cg = beginCutoffGroup(iter);  cg != NULL; cg = nextCutoffGroup(iter)) | 
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    delete cg; | 
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  myCutoffGroups.clear(); | 
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   | 
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} | 
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  void Molecule::addRigidBody(RigidBody *rb) { | 
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    if (std::find(rigidBodies_.begin(), rigidBodies_.end(), rb) == rigidBodies_.end()) { | 
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      rigidBodies_.push_back(rb); | 
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    } | 
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  } | 
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 | 
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  void Molecule::addCutoffGroup(CutoffGroup* cp) { | 
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    if (std::find(cutoffGroups_.begin(), cutoffGroups_.end(), cp) == cutoffGroups_.end()) { | 
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      cutoffGroups_.push_back(cp); | 
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    } | 
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 | 
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void Molecule::initialize( molInit &theInit ){ | 
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  } | 
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 | 
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  CutoffGroup* curCutoffGroup; | 
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  vector<CutoffGroup*>::iterator iterCutoff; | 
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  Atom* cutoffAtom; | 
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  vector<Atom*>::iterator iterAtom; | 
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  int atomIndex; | 
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   | 
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  nAtoms = theInit.nAtoms; | 
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  nMembers = nAtoms; | 
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  nBonds = theInit.nBonds; | 
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  nBends = theInit.nBends; | 
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  nTorsions = theInit.nTorsions; | 
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  nRigidBodies = theInit.nRigidBodies; | 
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  nOriented = theInit.nOriented; | 
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  void Molecule::addConstraintPair(ConstraintPair* cp) { | 
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    if (std::find(constraintPairs_.begin(), constraintPairs_.end(), cp) == constraintPairs_.end()) { | 
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      constraintPairs_.push_back(cp); | 
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    } | 
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 | 
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  myAtoms = theInit.myAtoms; | 
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  myBonds = theInit.myBonds; | 
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  myBends = theInit.myBends; | 
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  myTorsions = theInit.myTorsions; | 
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  myRigidBodies = theInit.myRigidBodies; | 
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  } | 
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 | 
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  myIntegrableObjects = theInit.myIntegrableObjects; | 
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  void Molecule::addConstraintElem(ConstraintElem* cp) { | 
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    if (std::find(constraintElems_.begin(), constraintElems_.end(), cp) == constraintElems_.end()) { | 
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      constraintElems_.push_back(cp); | 
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    } | 
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 | 
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  for (int i = 0; i < myRigidBodies.size(); i++)  | 
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      myRigidBodies[i]->calcRefCoords(); | 
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  } | 
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 | 
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  myCutoffGroups = theInit.myCutoffGroups; | 
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  nCutoffGroups = myCutoffGroups.size(); | 
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  void Molecule::complete() { | 
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     | 
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    std::set<Atom*> rigidAtoms; | 
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    RigidBody* rb; | 
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    std::vector<RigidBody*>::iterator rbIter; | 
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 | 
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} | 
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     | 
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    for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) { | 
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      rigidAtoms.insert(rb->getBeginAtomIter(), rb->getEndAtomIter()); | 
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    } | 
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 | 
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void Molecule::calcForces( void ){ | 
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   | 
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  int i; | 
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  double com[3]; | 
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    Atom* atom; | 
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    AtomIterator ai; | 
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    for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) { | 
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    | 
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      if (rigidAtoms.find(*ai) == rigidAtoms.end()) { | 
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        //if an atom does not belong to a rigid body, it is an integrable object | 
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        integrableObjects_.push_back(*ai); | 
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      } | 
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    } | 
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 | 
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  for(i=0; i<myRigidBodies.size(); i++) { | 
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    myRigidBodies[i]->updateAtoms(); | 
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  } | 
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    //find all free atoms (which do not belong to rigid bodies)   | 
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    //performs the "difference" operation from set theory,  the output range contains a copy of every | 
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    //element that is contained in [allAtoms.begin(), allAtoms.end()) and not contained in  | 
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    //[rigidAtoms.begin(), rigidAtoms.end()). | 
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    //std::set_difference(allAtoms.begin(), allAtoms.end(), rigidAtoms.begin(), rigidAtoms.end(), | 
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    //                        std::back_inserter(integrableObjects_)); | 
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 | 
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  for(i=0; i<nBonds; i++){ | 
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    myBonds[i]->calc_forces(); | 
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    //if (integrableObjects_.size() != allAtoms.size() - rigidAtoms.size()) { | 
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    //    //Some atoms in rigidAtoms are not in allAtoms, something must be wrong | 
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    //    sprintf(painCave.errMsg, "Atoms in rigidbody are not in the atom list of the same molecule"); | 
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    // | 
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    //    painCave.isFatal = 1; | 
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    //    simError();         | 
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    //} | 
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    for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) { | 
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      integrableObjects_.push_back(rb); | 
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    }  | 
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    //integrableObjects_.insert(integrableObjects_.end(), rigidBodies_.begin(), rigidBodies_.end()); | 
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  } | 
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 | 
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  for(i=0; i<nBends; i++){ | 
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    myBends[i]->calc_forces(); | 
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  } | 
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  RealType Molecule::getMass() { | 
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    StuntDouble* sd; | 
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    std::vector<StuntDouble*>::iterator i; | 
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    RealType mass = 0.0; | 
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 | 
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  for(i=0; i<nTorsions; i++){ | 
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    myTorsions[i]->calc_forces(); | 
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  } | 
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 | 
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  // Rigid Body forces and torques are done after the fortran force loop | 
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 | 
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} | 
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 | 
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    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){ | 
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      mass += sd->getMass(); | 
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    } | 
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 | 
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< | 
double Molecule::getPotential( void ){ | 
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   | 
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  int i; | 
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  double myPot = 0.0; | 
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    return mass; | 
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 | 
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  for(i=0; i<myRigidBodies.size(); i++) { | 
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    myRigidBodies[i]->updateAtoms(); | 
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  } | 
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    | 
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  for(i=0; i<nBonds; i++){ | 
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    myPot += myBonds[i]->get_potential(); | 
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  } | 
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 | 
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< | 
  for(i=0; i<nBends; i++){ | 
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< | 
    myPot += myBends[i]->get_potential(); | 
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< | 
  } | 
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> | 
  Vector3d Molecule::getCom() { | 
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> | 
    StuntDouble* sd; | 
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> | 
    std::vector<StuntDouble*>::iterator i; | 
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> | 
    Vector3d com; | 
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> | 
    RealType totalMass = 0; | 
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> | 
    RealType mass; | 
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> | 
     | 
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> | 
    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){ | 
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      mass = sd->getMass(); | 
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      totalMass += mass; | 
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      com += sd->getPos() * mass;     | 
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> | 
    } | 
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 | 
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< | 
  for(i=0; i<nTorsions; i++){ | 
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< | 
    myPot += myTorsions[i]->get_potential(); | 
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< | 
  } | 
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    com /= totalMass; | 
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 | 
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< | 
  return myPot; | 
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< | 
} | 
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< | 
 | 
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< | 
void Molecule::printMe( void ){ | 
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< | 
   | 
| 133 | 
< | 
  int i; | 
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< | 
 | 
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< | 
  for(i=0; i<nBonds; i++){ | 
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< | 
    myBonds[i]->printMe(); | 
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> | 
    return com; | 
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  | 
  } | 
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 | 
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< | 
  for(i=0; i<nBends; i++){ | 
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< | 
    myBends[i]->printMe(); | 
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< | 
  } | 
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> | 
  void Molecule::moveCom(const Vector3d& delta) { | 
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> | 
    StuntDouble* sd; | 
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> | 
    std::vector<StuntDouble*>::iterator i; | 
| 203 | 
> | 
     | 
| 204 | 
> | 
    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){ | 
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> | 
      sd->setPos(sd->getPos() + delta); | 
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> | 
    } | 
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  | 
 | 
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– | 
  for(i=0; i<nTorsions; i++){ | 
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    myTorsions[i]->printMe(); | 
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  | 
  } | 
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 | 
| 210 | 
< | 
} | 
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< | 
 | 
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< | 
void Molecule::moveCOM(double delta[3]){ | 
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< | 
  double aPos[3]; | 
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< | 
  int i, j; | 
| 215 | 
< | 
 | 
| 216 | 
< | 
  for(i=0; i<myIntegrableObjects.size(); i++) { | 
| 217 | 
< | 
    if(myIntegrableObjects[i] != NULL ) { | 
| 218 | 
< | 
       | 
| 219 | 
< | 
      myIntegrableObjects[i]->getPos( aPos ); | 
| 220 | 
< | 
       | 
| 158 | 
< | 
      for (j=0; j< 3; j++)  | 
| 159 | 
< | 
        aPos[j] += delta[j]; | 
| 160 | 
< | 
 | 
| 161 | 
< | 
      myIntegrableObjects[i]->setPos( aPos ); | 
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> | 
  Vector3d Molecule::getComVel() { | 
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> | 
    StuntDouble* sd; | 
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> | 
    std::vector<StuntDouble*>::iterator i; | 
| 213 | 
> | 
    Vector3d velCom; | 
| 214 | 
> | 
    RealType totalMass = 0; | 
| 215 | 
> | 
    RealType mass; | 
| 216 | 
> | 
     | 
| 217 | 
> | 
    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){ | 
| 218 | 
> | 
      mass = sd->getMass(); | 
| 219 | 
> | 
      totalMass += mass; | 
| 220 | 
> | 
      velCom += sd->getVel() * mass;     | 
| 221 | 
  | 
    } | 
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– | 
  } | 
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  | 
 | 
| 223 | 
< | 
  for(i=0; i<myRigidBodies.size(); i++) { | 
| 223 | 
> | 
    velCom /= totalMass; | 
| 224 | 
  | 
 | 
| 225 | 
< | 
      myRigidBodies[i]->getPos( aPos ); | 
| 168 | 
< | 
 | 
| 169 | 
< | 
      for (j=0; j< 3; j++)  | 
| 170 | 
< | 
        aPos[j] += delta[j]; | 
| 171 | 
< | 
       | 
| 172 | 
< | 
      myRigidBodies[i]->setPos( aPos ); | 
| 173 | 
< | 
    } | 
| 174 | 
< | 
} | 
| 175 | 
< | 
 | 
| 176 | 
< | 
void Molecule::atoms2rigidBodies( void ) { | 
| 177 | 
< | 
  int i; | 
| 178 | 
< | 
  for (i = 0; i < myRigidBodies.size(); i++) { | 
| 179 | 
< | 
    myRigidBodies[i]->calcForcesAndTorques();    | 
| 225 | 
> | 
    return velCom; | 
| 226 | 
  | 
  } | 
| 181 | 
– | 
} | 
| 227 | 
  | 
 | 
| 228 | 
< | 
void Molecule::getCOM( double COM[3] ) { | 
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  RealType Molecule::getPotential() { | 
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  double mass, mtot; | 
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  double aPos[3]; | 
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  int i, j; | 
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    Bond* bond; | 
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    Bend* bend; | 
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    Torsion* torsion; | 
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    Molecule::BondIterator bondIter;; | 
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    Molecule::BendIterator  bendIter; | 
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    Molecule::TorsionIterator  torsionIter; | 
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  for (j=0; j<3; j++)  | 
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    COM[j] = 0.0; | 
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    RealType potential = 0.0; | 
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  mtot   = 0.0; | 
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    for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) { | 
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      potential += bond->getPotential(); | 
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    } | 
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  for (i=0; i < myIntegrableObjects.size(); i++) { | 
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    if (myIntegrableObjects[i] != NULL) { | 
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    for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) { | 
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      potential += bend->getPotential(); | 
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    } | 
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      mass = myIntegrableObjects[i]->getMass(); | 
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      mtot   += mass; | 
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      myIntegrableObjects[i]->getPos( aPos ); | 
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      for( j = 0; j < 3; j++)  | 
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        COM[j] += aPos[j] * mass; | 
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    for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion = nextTorsion(torsionIter)) { | 
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      potential += torsion->getPotential(); | 
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    } | 
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  } | 
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  for (j = 0; j < 3; j++)  | 
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    COM[j] /= mtot;  | 
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} | 
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    return potential; | 
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double Molecule::getCOMvel( double COMvel[3] ) { | 
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  double mass, mtot; | 
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  double aVel[3]; | 
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  int i, j; | 
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  for (j=0; j<3; j++)  | 
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    COMvel[j] = 0.0; | 
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  mtot   = 0.0; | 
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  for (i=0; i < myIntegrableObjects.size(); i++) { | 
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    if (myIntegrableObjects[i] != NULL) { | 
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      mass = myIntegrableObjects[i]->getMass(); | 
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      mtot   += mass; | 
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      myIntegrableObjects[i]->getVel(aVel); | 
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      for (j=0; j<3; j++)  | 
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        COMvel[j] += aVel[j]*mass; | 
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    } | 
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  } | 
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  for (j=0; j<3; j++)  | 
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    COMvel[j] /= mtot; | 
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  | 
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  return mtot; | 
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} | 
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double Molecule::getTotalMass() | 
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{ | 
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  double totalMass; | 
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   | 
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  totalMass = 0; | 
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  for(int i =0; i < myIntegrableObjects.size(); i++){ | 
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    totalMass += myIntegrableObjects[i]->getMass(); | 
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  std::ostream& operator <<(std::ostream& o, Molecule& mol) { | 
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    o << std::endl; | 
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    o << "Molecule " << mol.getGlobalIndex() << "has: " << std::endl; | 
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    o << mol.getNAtoms() << " atoms" << std::endl; | 
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    o << mol.getNBonds() << " bonds" << std::endl; | 
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    o << mol.getNBends() << " bends" << std::endl; | 
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    o << mol.getNTorsions() << " torsions" << std::endl; | 
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    o << mol.getNRigidBodies() << " rigid bodies" << std::endl; | 
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    o << mol.getNIntegrableObjects() << "integrable objects" << std::endl; | 
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    o << mol.getNCutoffGroups() << "cutoff groups" << std::endl; | 
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    o << mol.getNConstraintPairs() << "constraint pairs" << std::endl; | 
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    return o; | 
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  } | 
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  return totalMass; | 
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} | 
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}//end namespace oopse |