| 1 | < | #ifndef _CUTOFFGROUP_H_ | 
| 2 | < | #define _CUTOFFGROUP_H_ | 
| 3 | < | #include "Atom.hpp" | 
| 1 | > | /* | 
| 2 | > | * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
| 3 | > | * | 
| 4 | > | * The University of Notre Dame grants you ("Licensee") a | 
| 5 | > | * non-exclusive, royalty free, license to use, modify and | 
| 6 | > | * redistribute this software in source and binary code form, provided | 
| 7 | > | * that the following conditions are met: | 
| 8 | > | * | 
| 9 | > | * 1. Redistributions of source code must retain the above copyright | 
| 10 | > | *    notice, this list of conditions and the following disclaimer. | 
| 11 | > | * | 
| 12 | > | * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | > | *    notice, this list of conditions and the following disclaimer in the | 
| 14 | > | *    documentation and/or other materials provided with the | 
| 15 | > | *    distribution. | 
| 16 | > | * | 
| 17 | > | * This software is provided "AS IS," without a warranty of any | 
| 18 | > | * kind. All express or implied conditions, representations and | 
| 19 | > | * warranties, including any implied warranty of merchantability, | 
| 20 | > | * fitness for a particular purpose or non-infringement, are hereby | 
| 21 | > | * excluded.  The University of Notre Dame and its licensors shall not | 
| 22 | > | * be liable for any damages suffered by licensee as a result of | 
| 23 | > | * using, modifying or distributing the software or its | 
| 24 | > | * derivatives. In no event will the University of Notre Dame or its | 
| 25 | > | * licensors be liable for any lost revenue, profit or data, or for | 
| 26 | > | * direct, indirect, special, consequential, incidental or punitive | 
| 27 | > | * damages, however caused and regardless of the theory of liability, | 
| 28 | > | * arising out of the use of or inability to use software, even if the | 
| 29 | > | * University of Notre Dame has been advised of the possibility of | 
| 30 | > | * such damages. | 
| 31 | > | * | 
| 32 | > | * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
| 33 | > | * research, please cite the appropriate papers when you publish your | 
| 34 | > | * work.  Good starting points are: | 
| 35 | > | * | 
| 36 | > | * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). | 
| 37 | > | * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). | 
| 38 | > | * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). | 
| 39 | > | * [4]  Vardeman & Gezelter, in progress (2009). | 
| 40 | > | */ | 
| 41 | > |  | 
| 42 | > | #ifndef PRIMITIVES_CUTOFFGROUP_HPP | 
| 43 |  |  | 
| 44 | < | class CutoffGroup{ | 
| 6 | < | public: | 
| 7 | < |  | 
| 8 | < | CutoffGroup() { | 
| 9 | < | haveTotalMass = false; | 
| 10 | < | totalMass = 0.0; | 
| 11 | < | } | 
| 12 | < |  | 
| 13 | < | void addAtom(Atom* atom) {cutoffAtomList.push_back(atom);} | 
| 14 | < |  | 
| 15 | < | Atom* beginAtom(vector<Atom*>::iterator& i){ | 
| 16 | < | i = cutoffAtomList.begin(); | 
| 17 | < | return i != cutoffAtomList.end()? *i : NULL; | 
| 18 | < | } | 
| 19 | < |  | 
| 20 | < | Atom* nextAtom(vector<Atom*>::iterator& i){ | 
| 21 | < | i++; | 
| 22 | < | return i != cutoffAtomList.end()? *i : NULL; | 
| 23 | < | } | 
| 24 | < |  | 
| 25 | < | double getMass(){ | 
| 26 | < | vector<Atom*>::iterator i; | 
| 27 | < | Atom* atom; | 
| 28 | < | double mass; | 
| 29 | < |  | 
| 30 | < | if (!haveTotalMass) { | 
| 44 | > | #define PRIMITIVES_CUTOFFGROUP_HPP | 
| 45 |  |  | 
| 46 | < | totalMass = 0; | 
| 47 | < |  | 
| 34 | < | for(atom = beginAtom(i); atom != NULL; atom = nextAtom(i)){ | 
| 35 | < | mass = atom->getMass(); | 
| 36 | < | totalMass += mass; | 
| 37 | < | } | 
| 46 | > | #include "primitives/Atom.hpp" | 
| 47 | > | #include "math/Vector3.hpp" | 
| 48 |  |  | 
| 49 | < | haveTotalMass = true; | 
| 49 | > | namespace OpenMD { | 
| 50 | > | class CutoffGroup { | 
| 51 | > | public: | 
| 52 | > |  | 
| 53 | > | CutoffGroup() :  snapshotMan_(NULL) { | 
| 54 | > |  | 
| 55 | > | storage_ = &Snapshot::cgData; | 
| 56 | > | haveTotalMass = false; | 
| 57 | > | totalMass = 0.0; | 
| 58 |  | } | 
| 59 |  |  | 
| 60 | < | return totalMass; | 
| 61 | < | } | 
| 62 | < |  | 
| 63 | < | void getCOM(double com[3]){ | 
| 60 | > | /** | 
| 61 | > | * Sets the Snapshot Manager of this cutoffGroup | 
| 62 | > | */ | 
| 63 | > | void setSnapshotManager(SnapshotManager* sman) { | 
| 64 | > | snapshotMan_ = sman; | 
| 65 | > | } | 
| 66 |  |  | 
| 67 | < | vector<Atom*>::iterator i; | 
| 68 | < | Atom* atom; | 
| 69 | < | double pos[3]; | 
| 70 | < | double mass; | 
| 67 | > |  | 
| 68 | > | void addAtom(Atom *atom) { | 
| 69 | > | cutoffAtomList.push_back(atom); | 
| 70 | > | } | 
| 71 |  |  | 
| 72 | < | com[0] = 0; | 
| 73 | < | com[1] = 0; | 
| 74 | < | com[2] = 0; | 
| 75 | < | totalMass = getMass(); | 
| 72 | > | Atom *beginAtom(std::vector<Atom *>::iterator & i) { | 
| 73 | > | i = cutoffAtomList.begin(); | 
| 74 | > | return i != cutoffAtomList.end() ? *i : NULL; | 
| 75 | > | } | 
| 76 |  |  | 
| 77 | < | if (cutoffAtomList.size() == 1) { | 
| 77 | > | Atom *nextAtom(std::vector<Atom *>::iterator & i) { | 
| 78 | > | i++; | 
| 79 | > | return i != cutoffAtomList.end() ? *i : NULL; | 
| 80 | > | } | 
| 81 | > |  | 
| 82 | > | std::vector<Atom*> getAtoms() { return cutoffAtomList; } | 
| 83 | > | RealType getMass() { | 
| 84 | > | std::vector<Atom *>::iterator i; | 
| 85 | > | Atom * atom; | 
| 86 | > | RealType mass; | 
| 87 |  |  | 
| 88 | < | beginAtom(i)->getPos(com); | 
| 88 | > | if (!haveTotalMass) { | 
| 89 | > | totalMass = 0; | 
| 90 | > |  | 
| 91 | > | for(atom = beginAtom(i); atom != NULL; atom = nextAtom(i)) { | 
| 92 | > | mass = atom->getMass(); | 
| 93 | > | totalMass += mass; | 
| 94 | > | } | 
| 95 | > |  | 
| 96 | > | haveTotalMass = true; | 
| 97 | > | } | 
| 98 |  |  | 
| 99 | < | } else { | 
| 99 | > | return totalMass; | 
| 100 | > | } | 
| 101 | > |  | 
| 102 | > | void updateCOM() { | 
| 103 | > | std::vector<Atom *>::iterator i; | 
| 104 | > | Atom * atom; | 
| 105 | > |  | 
| 106 | > | DataStorage&  data = snapshotMan_->getCurrentSnapshot()->*storage_; | 
| 107 | > |  | 
| 108 | > | totalMass = getMass(); | 
| 109 |  |  | 
| 110 | < | for(atom = beginAtom(i); atom != NULL; atom = nextAtom(i)){ | 
| 111 | < | mass = atom->getMass(); | 
| 112 | < | atom->getPos(pos); | 
| 113 | < | com[0] += pos[0] * mass; | 
| 114 | < | com[1] += pos[1] * mass; | 
| 115 | < | com[2] += pos[2] * mass; | 
| 110 | > | if (cutoffAtomList.size() == 1) { | 
| 111 | > | data.position[localIndex_] = beginAtom(i)->getPos(); | 
| 112 | > | } else { | 
| 113 | > | data.position[localIndex_] = V3Zero; | 
| 114 | > | for(atom = beginAtom(i); atom != NULL; atom = nextAtom(i)) { | 
| 115 | > | data.position[localIndex_] += atom->getMass() * atom->getPos(); | 
| 116 | > | } | 
| 117 | > | data.position[localIndex_] /= totalMass; | 
| 118 |  | } | 
| 70 | – |  | 
| 71 | – | com[0] /= totalMass; | 
| 72 | – | com[1] /= totalMass; | 
| 73 | – | com[2] /= totalMass; | 
| 119 |  | } | 
| 120 | + |  | 
| 121 | + |  | 
| 122 | + | Vector3d getPos() { | 
| 123 | + | return ((snapshotMan_->getCurrentSnapshot())->*storage_).position[localIndex_]; | 
| 124 | + | } | 
| 125 |  |  | 
| 126 | < | } | 
| 127 | < |  | 
| 128 | < | int getNumAtom() {return cutoffAtomList.size();} | 
| 126 | > | int getNumAtom() { | 
| 127 | > | return cutoffAtomList.size(); | 
| 128 | > | } | 
| 129 | > |  | 
| 130 | > | int getGlobalIndex() { | 
| 131 | > | return globalIndex; | 
| 132 | > | } | 
| 133 | > |  | 
| 134 | > | void setGlobalIndex(int id) { | 
| 135 | > | this->globalIndex = id; | 
| 136 | > | } | 
| 137 |  |  | 
| 138 | < | int getGlobalIndex() {return globalIndex;} | 
| 139 | < | void setGlobalIndex(int id) {this->globalIndex = id;} | 
| 140 | < | private: | 
| 141 | < | vector<Atom*> cutoffAtomList; | 
| 142 | < | bool haveTotalMass; | 
| 143 | < | double totalMass; | 
| 144 | < | int globalIndex; | 
| 138 | > | /** | 
| 139 | > | * Returns the local index of this cutoffGroup | 
| 140 | > | * @return the local index of this cutoffGroup | 
| 141 | > | */ | 
| 142 | > | int getLocalIndex() { | 
| 143 | > | return localIndex_; | 
| 144 | > | } | 
| 145 |  |  | 
| 146 | < | }; | 
| 146 | > | /** | 
| 147 | > | * Sets the local index of this cutoffGroup | 
| 148 | > | * @param index new index to be set | 
| 149 | > | */ | 
| 150 | > | void setLocalIndex(int index) { | 
| 151 | > | localIndex_ = index; | 
| 152 | > | } | 
| 153 | > |  | 
| 154 | > | private: | 
| 155 | > |  | 
| 156 | > | std::vector<Atom *>cutoffAtomList; | 
| 157 | > | bool haveTotalMass; | 
| 158 | > | RealType totalMass; | 
| 159 | > | int globalIndex; | 
| 160 |  |  | 
| 161 | < | #endif | 
| 161 | > | int localIndex_; | 
| 162 | > | DataStoragePointer storage_; | 
| 163 | > | SnapshotManager* snapshotMan_; | 
| 164 | > |  | 
| 165 | > | }; | 
| 166 | > | } //end namespace OpenMD | 
| 167 | > | #endif //PRIMITIVES_CUTOFFGROUP_HPP |