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root/group/trunk/OOPSE-4/src/primitives/Molecule.cpp
Revision: 3320
Committed: Wed Jan 23 16:38:22 2008 UTC (17 years, 3 months ago) by gezelter
File size: 8893 byte(s)
Log Message:
A few formatting changes to prettify the code

File Contents

# Content
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. Acknowledgement of the program authors must be made in any
10 * publication of scientific results based in part on use of the
11 * program. An acceptable form of acknowledgement is citation of
12 * the article in which the program was described (Matthew
13 * A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 * J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 * Parallel Simulation Engine for Molecular Dynamics,"
16 * J. Comput. Chem. 26, pp. 252-271 (2005))
17 *
18 * 2. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 *
21 * 3. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the
24 * distribution.
25 *
26 * This software is provided "AS IS," without a warranty of any
27 * kind. All express or implied conditions, representations and
28 * warranties, including any implied warranty of merchantability,
29 * fitness for a particular purpose or non-infringement, are hereby
30 * excluded. The University of Notre Dame and its licensors shall not
31 * be liable for any damages suffered by licensee as a result of
32 * using, modifying or distributing the software or its
33 * derivatives. In no event will the University of Notre Dame or its
34 * licensors be liable for any lost revenue, profit or data, or for
35 * direct, indirect, special, consequential, incidental or punitive
36 * damages, however caused and regardless of the theory of liability,
37 * arising out of the use of or inability to use software, even if the
38 * University of Notre Dame has been advised of the possibility of
39 * such damages.
40 */
41
42 /**
43 * @file Molecule.cpp
44 * @author tlin
45 * @date 10/28/2004
46 * @version 1.0
47 */
48
49 #include <algorithm>
50 #include <set>
51
52 #include "primitives/Molecule.hpp"
53 #include "utils/MemoryUtils.hpp"
54 #include "utils/simError.h"
55
56 namespace oopse {
57 Molecule::Molecule(int stampId, int globalIndex, const std::string& molName)
58 : stampId_(stampId), globalIndex_(globalIndex), moleculeName_(molName) {
59 }
60
61 Molecule::~Molecule() {
62
63 MemoryUtils::deletePointers(atoms_);
64 MemoryUtils::deletePointers(bonds_);
65 MemoryUtils::deletePointers(bends_);
66 MemoryUtils::deletePointers(torsions_);
67 MemoryUtils::deletePointers(rigidBodies_);
68 MemoryUtils::deletePointers(cutoffGroups_);
69 MemoryUtils::deletePointers(constraintPairs_);
70 MemoryUtils::deletePointers(constraintElems_);
71 // integrableObjects_ don't own the objects
72 integrableObjects_.clear();
73
74 }
75
76 void Molecule::addAtom(Atom* atom) {
77 if (std::find(atoms_.begin(), atoms_.end(), atom) == atoms_.end()) {
78 atoms_.push_back(atom);
79 }
80 }
81
82 void Molecule::addBond(Bond* bond) {
83 if (std::find(bonds_.begin(), bonds_.end(), bond) == bonds_.end()) {
84 bonds_.push_back(bond);
85 }
86 }
87
88 void Molecule::addBend(Bend* bend) {
89 if (std::find(bends_.begin(), bends_.end(), bend) == bends_.end()) {
90 bends_.push_back(bend);
91 }
92 }
93
94 void Molecule::addTorsion(Torsion* torsion) {
95 if (std::find(torsions_.begin(), torsions_.end(), torsion) ==
96 torsions_.end()) {
97 torsions_.push_back(torsion);
98 }
99 }
100
101 void Molecule::addRigidBody(RigidBody *rb) {
102 if (std::find(rigidBodies_.begin(), rigidBodies_.end(), rb) ==
103 rigidBodies_.end()) {
104 rigidBodies_.push_back(rb);
105 }
106 }
107
108 void Molecule::addCutoffGroup(CutoffGroup* cp) {
109 if (std::find(cutoffGroups_.begin(), cutoffGroups_.end(), cp) ==
110 cutoffGroups_.end()) {
111 cutoffGroups_.push_back(cp);
112 }
113 }
114
115 void Molecule::addConstraintPair(ConstraintPair* cp) {
116 if (std::find(constraintPairs_.begin(), constraintPairs_.end(), cp) ==
117 constraintPairs_.end()) {
118 constraintPairs_.push_back(cp);
119 }
120 }
121
122 void Molecule::addConstraintElem(ConstraintElem* cp) {
123 if (std::find(constraintElems_.begin(), constraintElems_.end(), cp) ==
124 constraintElems_.end()) {
125 constraintElems_.push_back(cp);
126 }
127 }
128
129 void Molecule::complete() {
130
131 std::set<Atom*> rigidAtoms;
132 RigidBody* rb;
133 std::vector<RigidBody*>::iterator rbIter;
134
135
136 for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
137 rigidAtoms.insert(rb->getBeginAtomIter(), rb->getEndAtomIter());
138 }
139
140 Atom* atom;
141 AtomIterator ai;
142 for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
143
144 if (rigidAtoms.find(*ai) == rigidAtoms.end()) {
145
146 // If an atom does not belong to a rigid body, it is an
147 // integrable object
148
149 integrableObjects_.push_back(*ai);
150 }
151 }
152
153 //find all free atoms (which do not belong to rigid bodies)
154 // performs the "difference" operation from set theory, the output
155 // range contains a copy of every element that is contained in
156 // [allAtoms.begin(), allAtoms.end()) and not contained in
157 // [rigidAtoms.begin(), rigidAtoms.end()).
158 //std::set_difference(allAtoms.begin(), allAtoms.end(), rigidAtoms.begin(), rigidAtoms.end(),
159 // std::back_inserter(integrableObjects_));
160
161 //if (integrableObjects_.size() != allAtoms.size() - rigidAtoms.size()) {
162 // //Some atoms in rigidAtoms are not in allAtoms, something must be wrong
163 // sprintf(painCave.errMsg, "Atoms in rigidbody are not in the atom list of the same molecule");
164 //
165 // painCave.isFatal = 1;
166 // simError();
167 //}
168 for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
169 integrableObjects_.push_back(rb);
170 }
171 //integrableObjects_.insert(integrableObjects_.end(), rigidBodies_.begin(), rigidBodies_.end());
172 }
173
174 RealType Molecule::getMass() {
175 StuntDouble* sd;
176 std::vector<StuntDouble*>::iterator i;
177 RealType mass = 0.0;
178
179 for (sd = beginIntegrableObject(i); sd != NULL; sd =
180 nextIntegrableObject(i)){
181 mass += sd->getMass();
182 }
183
184 return mass;
185 }
186
187 Vector3d Molecule::getCom() {
188 StuntDouble* sd;
189 std::vector<StuntDouble*>::iterator i;
190 Vector3d com;
191 RealType totalMass = 0;
192 RealType mass;
193
194 for (sd = beginIntegrableObject(i); sd != NULL; sd =
195 nextIntegrableObject(i)){
196 mass = sd->getMass();
197 totalMass += mass;
198 com += sd->getPos() * mass;
199 }
200
201 com /= totalMass;
202
203 return com;
204 }
205
206 void Molecule::moveCom(const Vector3d& delta) {
207 StuntDouble* sd;
208 std::vector<StuntDouble*>::iterator i;
209
210 for (sd = beginIntegrableObject(i); sd != NULL; sd =
211 nextIntegrableObject(i)){
212 sd->setPos(sd->getPos() + delta);
213 }
214 }
215
216 Vector3d Molecule::getComVel() {
217 StuntDouble* sd;
218 std::vector<StuntDouble*>::iterator i;
219 Vector3d velCom;
220 RealType totalMass = 0;
221 RealType mass;
222
223 for (sd = beginIntegrableObject(i); sd != NULL; sd =
224 nextIntegrableObject(i)){
225 mass = sd->getMass();
226 totalMass += mass;
227 velCom += sd->getVel() * mass;
228 }
229
230 velCom /= totalMass;
231
232 return velCom;
233 }
234
235 RealType Molecule::getPotential() {
236
237 Bond* bond;
238 Bend* bend;
239 Torsion* torsion;
240 Molecule::BondIterator bondIter;;
241 Molecule::BendIterator bendIter;
242 Molecule::TorsionIterator torsionIter;
243
244 RealType potential = 0.0;
245
246 for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
247 potential += bond->getPotential();
248 }
249
250 for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
251 potential += bend->getPotential();
252 }
253
254 for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion =
255 nextTorsion(torsionIter)) {
256 potential += torsion->getPotential();
257 }
258
259 return potential;
260
261 }
262
263 std::ostream& operator <<(std::ostream& o, Molecule& mol) {
264 o << std::endl;
265 o << "Molecule " << mol.getGlobalIndex() << "has: " << std::endl;
266 o << mol.getNAtoms() << " atoms" << std::endl;
267 o << mol.getNBonds() << " bonds" << std::endl;
268 o << mol.getNBends() << " bends" << std::endl;
269 o << mol.getNTorsions() << " torsions" << std::endl;
270 o << mol.getNRigidBodies() << " rigid bodies" << std::endl;
271 o << mol.getNIntegrableObjects() << "integrable objects" << std::endl;
272 o << mol.getNCutoffGroups() << "cutoff groups" << std::endl;
273 o << mol.getNConstraintPairs() << "constraint pairs" << std::endl;
274 return o;
275 }
276
277 }//end namespace oopse