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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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#include <algorithm> | 
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#include <set> | 
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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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Molecule::~Molecule() { | 
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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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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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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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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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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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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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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::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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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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void Molecule::complete() { | 
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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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    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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    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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        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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    //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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    //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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double Molecule::getMass() { | 
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    StuntDouble* sd; | 
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    std::vector<StuntDouble*>::iterator i; | 
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    double mass = 0.0; | 
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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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    return mass; | 
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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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    double totalMass = 0; | 
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    double mass; | 
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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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    com /= totalMass; | 
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    return com; | 
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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; | 
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    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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Vector3d Molecule::getComVel() { | 
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    StuntDouble* sd; | 
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    std::vector<StuntDouble*>::iterator i; | 
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    Vector3d velCom; | 
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    double totalMass = 0; | 
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    double mass; | 
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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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        velCom += sd->getVel() * mass;     | 
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    } | 
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    velCom /= totalMass; | 
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    return velCom; | 
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} | 
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double Molecule::getPotential() { | 
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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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    double potential = 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 (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) { | 
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        potential += bend->getPotential(); | 
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    } | 
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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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    return potential; | 
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} | 
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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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}//end namespace oopse |