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root/OpenMD/trunk/src/applications/staticProps/BondOrderParameter.cpp

Comparing trunk/src/applications/staticProps/BondOrderParameter.cpp (file contents):
Revision 1041 by gezelter, Wed Sep 20 20:13:40 2006 UTC vs.
Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

#	Line 6 | Line 6
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
9	>	* 1. Redistributions of source code must retain the above copyright
10		*    notice, this list of conditions and the following disclaimer.
11		*
12	<	* 3. Redistributions in binary form must reproduce the above copyright
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.
#	Line 37 | Line 28
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, 234107 (2008).
39	+	* [4] Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40	+	* [4] , Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). *
41	+	*  Created by J. Daniel Gezelter on 09/26/06.
42	+	*  @author  J. Daniel Gezelter
43	+	*  @version $Id$
44	+	*
45		*/
41	–
42	–
43	–	/* Creates orientational bond order parameters as outlined by
44	–	*     Bond-orientaional order in liquids and glasses, Steinhart,Nelson,Ronchetti
45	–	*     Phys Rev B, 28,784,1983
46	–	*
47	–	*/
46
47		#include "applications/staticProps/BondOrderParameter.hpp"
48		#include "utils/simError.h"
49		#include "io/DumpReader.hpp"
50		#include "primitives/Molecule.hpp"
51		#include "utils/NumericConstant.hpp"
52	<	#include "math/RealSphericalHarmonic.hpp"
52	>	#include "math/Wigner3jm.hpp"
53
54	<	namespace oopse {
55	<
54	>	using namespace MATPACK;
55	>	namespace OpenMD {
56	>
57		BondOrderParameter::BondOrderParameter(SimInfo* info,
58		const std::string& filename,
59		const std::string& sele,
60	<	double rCut, int lNumber, int nbins) : StaticAnalyser(info, filename), selectionScript_(sele), evaluator_(info), seleMan_(info){
60	>	double rCut, int nbins)
61	>	: StaticAnalyser(info, filename), selectionScript_(sele), seleMan_(info),
62	>	evaluator_(info) {
63
64		setOutputName(getPrefix(filename) + ".bo");
65
#	Line 69 | Line 70 | namespace oopse {
70
71		// Set up cutoff radius and order of the Legendre Polynomial:
72
72	–	lNumber_ = lNumber;
73		rCut_ = rCut;
74	<	mSize_ = 2*lNumber_+1;
74	>	nBins_ = nbins;
75	>	Qcount_.resize(lMax_+1);
76	>	Wcount_.resize(lMax_+1);
77
78		// Q can take values from 0 to 1
79
80		MinQ_ = 0.0;
81	<	MaxQ_ = 1.0;
81	>	MaxQ_ = 1.1;
82		deltaQ_ = (MaxQ_ - MinQ_) / nbins;
81	–	Q_histogram_.resize(nbins);
83
84		// W_6 for icosahedral clusters is 11 / sqrt(4199) = 0.169754, so we'll
85		// use values for MinW_ and MaxW_ that are slightly larger than this:
86
87	<	MinW_ = -0.18;
88	<	MaxW_ = 0.18;
87	>	MinW_ = -1.1;
88	>	MaxW_ = 1.1;
89		deltaW_ = (MaxW_ - MinW_) / nbins;
89	–	W_histogram_.resize(nbins);
90
91	<	}
91	>	// Make arrays for Wigner3jm
92	>	RealType* THRCOF = new RealType[2*lMax_+1];
93	>	// Variables for Wigner routine
94	>	RealType lPass, m1Pass, m2m, m2M;
95	>	int error, mSize;
96	>	mSize = 2*lMax_+1;
97
98	+	for (int l = 0; l <= lMax_; l++) {
99	+	lPass = (RealType)l;
100	+	for (int m1 = -l; m1 <= l; m1++) {
101	+	m1Pass = (RealType)m1;
102	+
103	+	std::pair<int,int> lm = std::make_pair(l, m1);
104	+
105	+	// Zero work array
106	+	for (int ii = 0; ii < 2*l + 1; ii++){
107	+	THRCOF[ii] = 0.0;
108	+	}
109	+
110	+	// Get Wigner coefficients
111	+	Wigner3jm(lPass, lPass, lPass,
112	+	m1Pass, m2m, m2M,
113	+	THRCOF, mSize, error);
114	+
115	+	m2Min[lm] = (int)floor(m2m);
116	+	m2Max[lm] = (int)floor(m2M);
117	+
118	+	for (int mmm = 0; mmm <= (int)(m2M - m2m); mmm++) {
119	+	w3j[lm].push_back(THRCOF[mmm]);
120	+	}
121	+	}
122	+	}
123	+	delete [] THRCOF;
124	+	THRCOF = NULL;
125	+	}
126	+
127		BondOrderParameter::~BondOrderParameter() {
128		Q_histogram_.clear();
129		W_histogram_.clear();
130	+	for (int l = 0; l <= lMax_; l++) {
131	+	for (int m = -l; m <= l; m++) {
132	+	w3j[std::make_pair(l,m)].clear();
133	+	}
134	+	}
135	+	w3j.clear();
136	+	m2Min.clear();
137	+	m2Max.clear();
138		}
139	<
140	<	void BondOrderParameter::initalizeHistogram() {
141	<	std::fill(Q_histogram_.begin(), Q_histogram_.end(), 0);
142	<	std::fill(W_histogram_.begin(), W_histogram_.end(), 0);
139	>
140	>	void BondOrderParameter::initializeHistogram() {
141	>	for (int bin = 0; bin < nBins_; bin++) {
142	>	for (int l = 0; l <= lMax_; l++) {
143	>	Q_histogram_[std::make_pair(bin,l)] = 0;
144	>	W_histogram_[std::make_pair(bin,l)] = 0;
145	>	}
146	>	}
147		}
148
149		void BondOrderParameter::process() {
150		Molecule* mol;
151		Atom* atom;
152		RigidBody* rb;
153	+	int myIndex;
154		SimInfo::MoleculeIterator mi;
155		Molecule::RigidBodyIterator rbIter;
156		Molecule::AtomIterator ai;
157		StuntDouble* sd;
158	<	RealType theta;
158	>	Vector3d vec;
159	>	RealType costheta;
160		RealType phi;
161		RealType r;
162	<	RealType dist;
163	<	std::map<int, RealType> QBar_lm;
164	<	RealType QSq_l;
165	<	RealType Q_l;
166	<	int nBonds;
167	<	RealSphericalHarmonic sphericalHarmonic;
168	<	int i, j;
169	<
170	<	// Set the l for the spherical harmonic, it doesn't change
171	<	sphericalHarmonic.setL(lNumber_);
162	>	std::map<std::pair<int,int>,ComplexType> q;
163	>	std::vector<RealType> q_l;
164	>	std::vector<RealType> q2;
165	>	std::vector<ComplexType> w;
166	>	std::vector<ComplexType> w_hat;
167	>	std::map<std::pair<int,int>,ComplexType> QBar;
168	>	std::vector<RealType> Q2;
169	>	std::vector<RealType> Q;
170	>	std::vector<ComplexType> W;
171	>	std::vector<ComplexType> W_hat;
172	>	int nBonds, Nbonds;
173	>	SphericalHarmonic sphericalHarmonic;
174	>	int i;
175
125	–
176		DumpReader reader(info_, dumpFilename_);
177		int nFrames = reader.getNFrames();
178		frameCounter_ = 0;
179
180	+	q_l.resize(lMax_+1);
181	+	q2.resize(lMax_+1);
182	+	w.resize(lMax_+1);
183	+	w_hat.resize(lMax_+1);
184	+
185	+	Q2.resize(lMax_+1);
186	+	Q.resize(lMax_+1);
187	+	W.resize(lMax_+1);
188	+	W_hat.resize(lMax_+1);
189	+	Nbonds = 0;
190	+
191		for (int istep = 0; istep < nFrames; istep += step_) {
192		reader.readFrame(istep);
193		frameCounter_++;
#	Line 144 | Line 205 | namespace oopse {
205		rb = mol->nextRigidBody(rbIter)) {
206		rb->updateAtoms();
207		}
208	<	}
209	<
208	>	}
209	>
210		// outer loop is over the selected StuntDoubles:
211
212		for (sd = seleMan_.beginSelected(i); sd != NULL;
213		sd = seleMan_.nextSelected(i)) {
214
215	<	// For this central atom, zero out nBonds and QBar_lm
155	<
215	>	myIndex = sd->getGlobalIndex();
216		nBonds = 0;
217	<
218	<	for (int m = -lNumber_; m <= lNumber_; m++) {
219	<	QBar_lm[m] = 0.0;
217	>
218	>	for (int l = 0; l <= lMax_; l++) {
219	>	for (int m = -l; m <= l; m++) {
220	>	q[std::make_pair(l,m)] = 0.0;
221	>	}
222		}
223
224		// inner loop is over all other atoms in the system:
#	Line 166 | Line 228 | namespace oopse {
228		for (atom = mol->beginAtom(ai); atom != NULL;
229		atom = mol->nextAtom(ai)) {
230
231	+	if (atom->getGlobalIndex() != myIndex) {
232
233	<	Vector3d vec = sd->getPos() - atom->getPos();
171	<	currentSnapshot_->wrapVector(vec);
172	<
173	<	// Calculate "bonds" and build Q_lm(r) where
174	<	//      Q_lm = Y_lm(theta(r),phi(r))
175	<	// The spherical harmonics are wrt any arbitrary coordinate
176	<	// system, we choose standard spherical coordinates
177	<
178	<	r = sqrt(pow(vec.x(),2)+pow(vec.y(),2)+pow(vec.z(),2));
179	<
180	<	// Check to see if neighbor is in bond cutoff
181	<
182	<	if (r < rCut_) {
183	<	theta = atan2(vec.y(), vec.x());
184	<	phi = acos(vec.z()/r);
185	<	for(int m = -lNumber_; m <= lNumber_; m++){
186	<	sphericalHarmonic.setM(m);
187	<	QBar_lm[m] += sphericalHarmonic.getValueAt(theta,phi);
188	<	}
189	<	nBonds++;
190	<	}
191	<	}
192	<	}
193	<
194	<	// Normalize Qbar
195	<	for (int m = -lNumber_;m <= lNumber_; m++){
196	<	QBar_lm[m] /= nBonds;
197	<	}
233	>	vec = sd->getPos() - atom->getPos();
234
235	<	// Find second order invariant Q_l
235	>	if (usePeriodicBoundaryConditions_)
236	>	currentSnapshot_->wrapVector(vec);
237	>
238	>	// Calculate "bonds" and build Q_lm(r) where
239	>	//      Q_lm = Y_lm(theta(r),phi(r))
240	>	// The spherical harmonics are wrt any arbitrary coordinate
241	>	// system, we choose standard spherical coordinates
242	>
243	>	r = vec.length();
244	>
245	>	// Check to see if neighbor is in bond cutoff
246	>
247	>	if (r < rCut_) {
248	>	costheta = vec.z() / r;
249	>	phi = atan2(vec.y(), vec.x());
250
251	<	QSq_l = 0.0;
252	<	for (int m = -lNumber_; m <= lNumber_; m++){
253	<	QSq_l += pow(QBar_lm[m], 2);
251	>	for (int l = 0; l <= lMax_; l++) {
252	>	sphericalHarmonic.setL(l);
253	>	for(int m = -l; m <= l; m++){
254	>	sphericalHarmonic.setM(m);
255	>	q[std::make_pair(l,m)] += sphericalHarmonic.getValueAt(costheta, phi);
256	>
257	>	}
258	>	}
259	>	nBonds++;
260	>	}
261	>	}
262	>	}
263	>	}
264	>
265	>
266	>	for (int l = 0; l <= lMax_; l++) {
267	>	q2[l] = 0.0;
268	>	for (int m = -l; m <= l; m++){
269	>	q[std::make_pair(l,m)] /= (RealType)nBonds;
270	>
271	>	q2[l] += norm(q[std::make_pair(l,m)]);
272	>	}
273	>	q_l[l] = sqrt(q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1));
274		}
275	<	Q_l = sqrt(QSq_l*(4.0 * NumericConstant::PI / (2.0*(RealType)lNumber_ + 1)));
206	<
275	>
276		// Find Third Order Invariant W_l
277	<
278	<	// Make arrays for Wigner3jm
279	<	double* THRCOF = new double[mSize_];
280	<	// Variables for Wigner routine
281	<	double l_ = (double)lNumber_;
282	<	double m1Pass, m2Min, m2Max;
283	<	int error, m1, m2, m3;
284	<
285	<	RealType W_l;
286	<	RealType W_l_hat;
287	<	W_l = 0.0;
219	<	for (int m1 = -lNumber_; m1 <= lNumber_; m1++) {
220	<	// Zero work array
221	<	for (int ii = 0; ii < mSize_; ii++){
222	<	THRCOF[i] = 0.0;
277	>
278	>	for (int l = 0; l <= lMax_; l++) {
279	>	w[l] = 0.0;
280	>	for (int m1 = -l; m1 <= l; m1++) {
281	>	std::pair<int,int> lm = std::make_pair(l, m1);
282	>	for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) {
283	>	int m2 = m2Min[lm] + mmm;
284	>	int m3 = -m1-m2;
285	>	w[l] += w3j[lm][mmm] * q[lm] *
286	>	q[std::make_pair(l,m2)] *  q[std::make_pair(l,m3)];
287	>	}
288		}
289	<	// Get Wigner coefficients
290	<	m1Pass = (double)m1;
226	<	Wigner3jm(&l_, &l_, &l_, &m1Pass, &m2Min, &m2Max, THRCOF, &mSize_, &error);
227	<	for (int m_index = 1; i < (int)(m2Max - m2Min-1.0); m_index++) {
228	<	m2 = floor(m2Min) + m_index - 1;
229	<	m3 = -m1-m2;
230	<	W_l += THRCOF[m_index]*QBar_lm[m1+lNumber_]*QBar_lm[m2+lNumber_]*QBar_lm[m3+lNumber_];
231	<	}
289	>
290	>	w_hat[l] = w[l] / pow(q2[l], RealType(1.5));
291		}
292
293	<	W_l_hat = W_l / pow(QSq_l, 1.5);
294	<
295	<	// accumulate histogram data for Q_l and W_l_hat:
296	<
297	<	collectHistogram(Q_l, W_l_hat);
298	<
293	>	collectHistogram(q_l, w_hat);
294	>
295	>	Nbonds += nBonds;
296	>	for (int l = 0; l <= lMax_;  l++) {
297	>	for (int m = -l; m <= l; m++) {
298	>	QBar[std::make_pair(l,m)] += (RealType)nBonds*q[std::make_pair(l,m)];
299	>	}
300	>	}
301		}
302		}
303	+
304	+	// Normalize Qbar2
305	+	for (int l = 0; l <= lMax_; l++) {
306	+	for (int m = -l; m <= l; m++){
307	+	QBar[std::make_pair(l,m)] /= Nbonds;
308	+	}
309	+	}
310
311	<	writeOrderParameter();
311	>	// Find second order invariant Q_l
312
313	+	for (int l = 0; l <= lMax_; l++) {
314	+	Q2[l] = 0.0;
315	+	for (int m = -l; m <= l; m++){
316	+	Q2[l] += norm(QBar[std::make_pair(l,m)]);
317	+	}
318	+	Q[l] = sqrt(Q2[l] * 4.0 * NumericConstant::PI / (RealType)(2*l + 1));
319	+	}
320	+
321	+	// Find Third Order Invariant W_l
322	+
323	+	for (int l = 0; l <= lMax_; l++) {
324	+	W[l] = 0.0;
325	+	for (int m1 = -l; m1 <= l; m1++) {
326	+	std::pair<int,int> lm = std::make_pair(l, m1);
327	+	for (int mmm = 0; mmm <= (m2Max[lm] - m2Min[lm]); mmm++) {
328	+	int m2 = m2Min[lm] + mmm;
329	+	int m3 = -m1-m2;
330	+	W[l] += w3j[lm][mmm] * QBar[lm] *
331	+	QBar[std::make_pair(l,m2)] * QBar[std::make_pair(l,m3)];
332	+	}
333	+	}
334	+
335	+	W_hat[l] = W[l] / pow(Q2[l], RealType(1.5));
336	+	}
337	+
338	+	writeOrderParameter(Q, W_hat);
339		}
340
341	+	void BondOrderParameter::collectHistogram(std::vector<RealType> q,
342	+	std::vector<ComplexType> what) {
343
344	<	void BondOrderParameter::collectHistogram(RealType Q_l, RealType W_l_hat) {
345	<
346	<	if (Q_l >= MinQ_ && Q_l < MaxQ_) {
347	<	int qbin = (Q_l - MinQ_) / deltaQ_;
348	<	Q_histogram_[qbin] += 1;
349	<	Qcount_++;
350	<	sumQ_ += Q_l;
351	<	sumQ2_ += Q_l * Q_l;
352	<	} else {
353	<	sprintf( painCave.errMsg,
354	<	"Q_l value outside reasonable range\n");
355	<	painCave.severity = OOPSE_ERROR;
260	<	painCave.isFatal = 1;
261	<	simError();
344	>	for (int l = 0; l <= lMax_; l++) {
345	>	if (q[l] >= MinQ_ && q[l] < MaxQ_) {
346	>	int qbin = int((q[l] - MinQ_) / deltaQ_);
347	>	Q_histogram_[std::make_pair(qbin,l)] += 1;
348	>	Qcount_[l]++;
349	>	} else {
350	>	sprintf( painCave.errMsg,
351	>	"q_l value outside reasonable range\n");
352	>	painCave.severity = OPENMD_ERROR;
353	>	painCave.isFatal = 1;
354	>	simError();
355	>	}
356		}
357
358	<	if (W_l_hat >= MinW_ && W_l_hat < MaxW_) {
359	<	int wbin = (W_l_hat - MinW_) / deltaW_;
360	<	W_histogram_[wbin] += 1;
361	<	Wcount_++;
362	<	sumW_  += W_l_hat;
363	<	sumW2_ += W_l_hat*W_l_hat;
364	<	} else {
365	<	sprintf( painCave.errMsg,
366	<	"W_l_hat value outside reasonable range\n");
367	<	painCave.severity = OOPSE_ERROR;
368	<	painCave.isFatal = 1;
369	<	simError();
358	>	for (int l = 0; l <= lMax_; l++) {
359	>	if (real(what[l]) >= MinW_ && real(what[l]) < MaxW_) {
360	>	int wbin = int((real(what[l]) - MinW_) / deltaW_);
361	>	W_histogram_[std::make_pair(wbin,l)] += 1;
362	>	Wcount_[l]++;
363	>	} else {
364	>	sprintf( painCave.errMsg,
365	>	"Re[w_hat] value (%lf) outside reasonable range\n", real(what[l]));
366	>	painCave.severity = OPENMD_ERROR;
367	>	painCave.isFatal = 1;
368	>	simError();
369	>	}
370		}
371	+
372		}
373
279	–	void BondOrderParameter::writeOrderParameter() {
374
375	+	void BondOrderParameter::writeOrderParameter(std::vector<RealType> Q,
376	+	std::vector<ComplexType> What) {
377	+
378		std::ofstream osq((getOutputFileName() + "q").c_str());
379
380		if (osq.is_open()) {
284	–
285	–	RealType qAvg = sumQ_ / (RealType) Qcount_;
286	–	RealType qStdDev = sumQ2_ / (RealType) Qcount_ - qAvg*qAvg;
381
382	<	osq << "# Bond Order Parameter Q_" << lNumber_ << "\n";
382	>	osq << "# Bond Order Parameters\n";
383		osq << "# selection: (" << selectionScript_ << ")\n";
384	<	osq << "# <Q_" << lNumber_ << ">: " << qAvg << "\n";
385	<	osq << "# std. dev.: " << qStdDev << "\n";
386	<
384	>	osq << "# \n";
385	>	for (int l = 0; l <= lMax_; l++) {
386	>	osq << "# <Q_" << l << ">: " << Q[l] << "\n";
387	>	}
388		// Normalize by number of frames and write it out:
389	<	for (int i = 0; i < Q_histogram_.size(); ++i) {
390	<	RealType Qval = MinQ_ + (i + 0.5) * deltaQ_;
391	<	osq << Qval << "\t" << Q_histogram_[i] / frameCounter_ << "\n";
389	>	for (int i = 0; i < nBins_; ++i) {
390	>	RealType Qval = MinQ_ + (i + 0.5) * deltaQ_;
391	>	osq << Qval;
392	>	for (int l = 0; l <= lMax_; l++) {
393	>
394	>	osq << "\t" << (RealType)Q_histogram_[std::make_pair(i,l)]/(RealType)Qcount_[l]/deltaQ_;
395	>	}
396	>	osq << "\n";
397		}
398	<
398	>
399		osq.close();
400	+
401		} else {
402		sprintf(painCave.errMsg, "BondOrderParameter: unable to open %s\n",
403		(getOutputFileName() + "q").c_str());
#	Line 307 | Line 408 | namespace oopse {
408		std::ofstream osw((getOutputFileName() + "w").c_str());
409
410		if (osw.is_open()) {
411	<
311	<	RealType wAvg = sumW_ / (RealType) Wcount_;
312	<	RealType wStdDev = sumW2_ / (RealType) Wcount_ - wAvg*wAvg;
313	<
314	<	osw << "# Bond Order Parameter W_" << lNumber_ << "\n";
411	>	osw << "# Bond Order Parameters\n";
412		osw << "# selection: (" << selectionScript_ << ")\n";
413	<	osw << "# <W_" << lNumber_ << ">: " << wAvg << "\n";
414	<	osw << "# std. dev.: " << wStdDev << "\n";
415	<
413	>	osw << "# \n";
414	>	for (int l = 0; l <= lMax_; l++) {
415	>	osw << "# <W_" << l << ">: " << real(What[l]) << "\t" << imag(What[l]) << "\n";
416	>	}
417		// Normalize by number of frames and write it out:
418	<	for (int i = 0; i < W_histogram_.size(); ++i) {
419	<	RealType Wval = MinW_ + (i + 0.5) * deltaW_;
420	<	osw << Wval << "\t" << W_histogram_[i] / frameCounter_ << "\n";
418	>	for (int i = 0; i < nBins_; ++i) {
419	>	RealType Wval = MinW_ + (i + 0.5) * deltaW_;
420	>	osw << Wval;
421	>	for (int l = 0; l <= lMax_; l++) {
422	>
423	>	osw << "\t" << (RealType)W_histogram_[std::make_pair(i,l)]/(RealType)Wcount_[l]/deltaW_;
424	>	}
425	>	osw << "\n";
426		}
427	<
427	>
428		osw.close();
429		} else {
430		sprintf(painCave.errMsg, "BondOrderParameter: unable to open %s\n",
#	Line 329 | Line 432 | namespace oopse {
432		painCave.isFatal = 1;
433		simError();
434		}
435	+
436		}
437		}

Comparing trunk/src/applications/staticProps/BondOrderParameter.cpp (property svn:keywords):
Revision 1041 by gezelter, Wed Sep 20 20:13:40 2006 UTC vs.
Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

#	Line 0 | Line 1
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