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root/OpenMD/trunk/src/io/DumpWriter.cpp
Revision: 1610
Committed: Fri Aug 12 14:37:25 2011 UTC (13 years, 8 months ago) by gezelter
File size: 16377 byte(s)
Log Message:
Fixed a clang compilation problem, added the ability to output
particle potential in the dump files.

File Contents

# User Rev Content
1 gezelter 507 /*
2 gezelter 1390 * Copyright (c) 2009 The University of Notre Dame. All Rights Reserved.
3 gezelter 246 *
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 gezelter 1390 * 1. Redistributions of source code must retain the above copyright
10 gezelter 246 * notice, this list of conditions and the following disclaimer.
11     *
12 gezelter 1390 * 2. Redistributions in binary form must reproduce the above copyright
13 gezelter 246 * 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 gezelter 1390 *
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 gezelter 246 */
41    
42     #include "io/DumpWriter.hpp"
43     #include "primitives/Molecule.hpp"
44     #include "utils/simError.h"
45 tim 376 #include "io/basic_teebuf.hpp"
46 tim 615 #include "io/gzstream.hpp"
47     #include "io/Globals.hpp"
48    
49 gezelter 1437
50 gezelter 2 #ifdef IS_MPI
51     #include <mpi.h>
52 gezelter 246 #endif //is_mpi
53 gezelter 2
54 gezelter 1437 using namespace std;
55 gezelter 1390 namespace OpenMD {
56 gezelter 2
57 gezelter 507 DumpWriter::DumpWriter(SimInfo* info)
58     : info_(info), filename_(info->getDumpFileName()), eorFilename_(info->getFinalConfigFileName()){
59 tim 615
60     Globals* simParams = info->getSimParams();
61     needCompression_ = simParams->getCompressDumpFile();
62 chrisfen 726 needForceVector_ = simParams->getOutputForceVector();
63 gezelter 1610 needParticlePot_ = simParams->getOutputParticlePotential();
64 chuckv 791 createDumpFile_ = true;
65 tim 619 #ifdef HAVE_LIBZ
66 tim 615 if (needCompression_) {
67 tim 1024 filename_ += ".gz";
68     eorFilename_ += ".gz";
69 tim 615 }
70 tim 619 #endif
71 tim 615
72 tim 376 #ifdef IS_MPI
73    
74 tim 1024 if (worldRank == 0) {
75 tim 376 #endif // is_mpi
76 chuckv 791
77 tim 1024 dumpFile_ = createOStream(filename_);
78 tim 615
79 tim 1024 if (!dumpFile_) {
80     sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
81     filename_.c_str());
82     painCave.isFatal = 1;
83     simError();
84     }
85 tim 376
86     #ifdef IS_MPI
87    
88 tim 1024 }
89 tim 376
90     #endif // is_mpi
91    
92 tim 1024 }
93 tim 376
94    
95 gezelter 507 DumpWriter::DumpWriter(SimInfo* info, const std::string& filename)
96     : info_(info), filename_(filename){
97 tim 615
98     Globals* simParams = info->getSimParams();
99     eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
100    
101     needCompression_ = simParams->getCompressDumpFile();
102 chrisfen 726 needForceVector_ = simParams->getOutputForceVector();
103 gezelter 1610 needParticlePot_ = simParams->getOutputParticlePotential();
104 chuckv 791 createDumpFile_ = true;
105 tim 619 #ifdef HAVE_LIBZ
106 tim 615 if (needCompression_) {
107 tim 1024 filename_ += ".gz";
108     eorFilename_ += ".gz";
109 tim 615 }
110 tim 619 #endif
111 tim 615
112 gezelter 246 #ifdef IS_MPI
113 gezelter 2
114 tim 1024 if (worldRank == 0) {
115 gezelter 246 #endif // is_mpi
116 gezelter 2
117 chuckv 791
118 tim 1024 dumpFile_ = createOStream(filename_);
119 tim 615
120 tim 1024 if (!dumpFile_) {
121     sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
122     filename_.c_str());
123     painCave.isFatal = 1;
124     simError();
125     }
126 gezelter 2
127     #ifdef IS_MPI
128    
129 tim 1024 }
130 gezelter 2
131     #endif // is_mpi
132 gezelter 246
133 tim 1024 }
134 chuckv 791
135     DumpWriter::DumpWriter(SimInfo* info, const std::string& filename, bool writeDumpFile)
136 tim 1024 : info_(info), filename_(filename){
137 chuckv 791
138     Globals* simParams = info->getSimParams();
139     eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
140    
141     needCompression_ = simParams->getCompressDumpFile();
142     needForceVector_ = simParams->getOutputForceVector();
143 gezelter 1610 needParticlePot_ = simParams->getOutputParticlePotential();
144 chuckv 791
145     #ifdef HAVE_LIBZ
146     if (needCompression_) {
147     filename_ += ".gz";
148     eorFilename_ += ".gz";
149     }
150     #endif
151    
152     #ifdef IS_MPI
153    
154     if (worldRank == 0) {
155     #endif // is_mpi
156    
157     createDumpFile_ = writeDumpFile;
158     if (createDumpFile_) {
159     dumpFile_ = createOStream(filename_);
160    
161     if (!dumpFile_) {
162     sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
163     filename_.c_str());
164     painCave.isFatal = 1;
165     simError();
166     }
167     }
168     #ifdef IS_MPI
169    
170     }
171 tim 1024
172 chuckv 791
173     #endif // is_mpi
174    
175     }
176 gezelter 2
177 gezelter 507 DumpWriter::~DumpWriter() {
178 gezelter 2
179     #ifdef IS_MPI
180 gezelter 246
181     if (worldRank == 0) {
182 gezelter 2 #endif // is_mpi
183 chuckv 791 if (createDumpFile_){
184 tim 1024 writeClosing(*dumpFile_);
185 chuckv 791 delete dumpFile_;
186     }
187 gezelter 2 #ifdef IS_MPI
188 gezelter 246
189     }
190    
191 gezelter 2 #endif // is_mpi
192 gezelter 246
193 gezelter 507 }
194 gezelter 2
195 tim 1024 void DumpWriter::writeFrameProperties(std::ostream& os, Snapshot* s) {
196 gezelter 2
197 tim 1024 char buffer[1024];
198    
199     os << " <FrameData>\n";
200    
201     RealType currentTime = s->getTime();
202 gezelter 1437
203     if (isinf(currentTime) || isnan(currentTime)) {
204     sprintf( painCave.errMsg,
205     "DumpWriter detected a numerical error writing the time");
206     painCave.isFatal = 1;
207     simError();
208     }
209    
210 gezelter 1025 sprintf(buffer, " Time: %.10g\n", currentTime);
211 tim 1024 os << buffer;
212    
213 gezelter 246 Mat3x3d hmat;
214     hmat = s->getHmat();
215 gezelter 1437
216     for (unsigned int i = 0; i < 3; i++) {
217     for (unsigned int j = 0; j < 3; j++) {
218     if (isinf(hmat(i,j)) || isnan(hmat(i,j))) {
219     sprintf( painCave.errMsg,
220     "DumpWriter detected a numerical error writing the box");
221     painCave.isFatal = 1;
222     simError();
223     }
224     }
225     }
226    
227 tim 1024 sprintf(buffer, " Hmat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
228     hmat(0, 0), hmat(1, 0), hmat(2, 0),
229     hmat(0, 1), hmat(1, 1), hmat(2, 1),
230     hmat(0, 2), hmat(1, 2), hmat(2, 2));
231     os << buffer;
232 gezelter 2
233 tim 1024 RealType chi = s->getChi();
234     RealType integralOfChiDt = s->getIntegralOfChiDt();
235 gezelter 1437 if (isinf(chi) || isnan(chi) ||
236     isinf(integralOfChiDt) || isnan(integralOfChiDt)) {
237     sprintf( painCave.errMsg,
238     "DumpWriter detected a numerical error writing the thermostat");
239     painCave.isFatal = 1;
240     simError();
241     }
242 tim 1024 sprintf(buffer, " Thermostat: %.10g , %.10g\n", chi, integralOfChiDt);
243     os << buffer;
244 gezelter 246
245 tim 1024 Mat3x3d eta;
246     eta = s->getEta();
247 gezelter 1437
248     for (unsigned int i = 0; i < 3; i++) {
249     for (unsigned int j = 0; j < 3; j++) {
250     if (isinf(eta(i,j)) || isnan(eta(i,j))) {
251     sprintf( painCave.errMsg,
252     "DumpWriter detected a numerical error writing the barostat");
253     painCave.isFatal = 1;
254     simError();
255     }
256     }
257     }
258    
259 tim 1024 sprintf(buffer, " Barostat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
260     eta(0, 0), eta(1, 0), eta(2, 0),
261     eta(0, 1), eta(1, 1), eta(2, 1),
262     eta(0, 2), eta(1, 2), eta(2, 2));
263     os << buffer;
264 gezelter 246
265 tim 1024 os << " </FrameData>\n";
266 gezelter 507 }
267 gezelter 2
268 gezelter 507 void DumpWriter::writeFrame(std::ostream& os) {
269 gezelter 246
270 tim 1024 #ifdef IS_MPI
271     MPI_Status istatus;
272     #endif
273 gezelter 246
274     Molecule* mol;
275     StuntDouble* integrableObject;
276     SimInfo::MoleculeIterator mi;
277     Molecule::IntegrableObjectIterator ii;
278 gezelter 2
279 gezelter 246 #ifndef IS_MPI
280 tim 1024 os << " <Snapshot>\n";
281 gezelter 1025
282 tim 1024 writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
283 gezelter 2
284 tim 1024 os << " <StuntDoubles>\n";
285 gezelter 246 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
286 gezelter 2
287 xsun 1217
288     for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
289 tim 1024 integrableObject = mol->nextIntegrableObject(ii)) {
290 xsun 1217 os << prepareDumpLine(integrableObject);
291    
292 tim 1024 }
293     }
294     os << " </StuntDoubles>\n";
295 xsun 1217
296 tim 1024 os << " </Snapshot>\n";
297 gezelter 2
298 tim 1024 os.flush();
299     #else
300     //every node prepares the dump lines for integrable objects belong to itself
301     std::string buffer;
302     for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
303 xsun 1217
304    
305 tim 1024 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
306     integrableObject = mol->nextIntegrableObject(ii)) {
307 xsun 1217 buffer += prepareDumpLine(integrableObject);
308 gezelter 507 }
309 gezelter 2 }
310 tim 1024
311 gezelter 246 const int masterNode = 0;
312 chuckv 1564 int nProc;
313     MPI_Comm_size(MPI_COMM_WORLD, &nProc);
314 tim 1024 if (worldRank == masterNode) {
315     os << " <Snapshot>\n";
316     writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
317     os << " <StuntDoubles>\n";
318    
319 gezelter 1025 os << buffer;
320    
321 chuckv 1564
322 tim 1024 for (int i = 1; i < nProc; ++i) {
323 gezelter 2
324 tim 1024 // receive the length of the string buffer that was
325     // prepared by processor i
326 chuckv 1564
327     MPI_Bcast(&i, 1, MPI_INT,masterNode,MPI_COMM_WORLD);
328 tim 1024 int recvLength;
329     MPI_Recv(&recvLength, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &istatus);
330     char* recvBuffer = new char[recvLength];
331     if (recvBuffer == NULL) {
332     } else {
333 gezelter 1025 MPI_Recv(recvBuffer, recvLength, MPI_CHAR, i, 0, MPI_COMM_WORLD, &istatus);
334 tim 1024 os << recvBuffer;
335 gezelter 1313 delete [] recvBuffer;
336 tim 1024 }
337     }
338     os << " </StuntDoubles>\n";
339    
340     os << " </Snapshot>\n";
341 gezelter 507 os.flush();
342 gezelter 246 } else {
343 gezelter 1025 int sendBufferLength = buffer.size() + 1;
344 chuckv 1564 int myturn = 0;
345     for (int i = 1; i < nProc; ++i){
346     MPI_Bcast(&myturn,1, MPI_INT,masterNode,MPI_COMM_WORLD);
347     if (myturn == worldRank){
348     MPI_Send(&sendBufferLength, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD);
349     MPI_Send((void *)buffer.c_str(), sendBufferLength, MPI_CHAR, masterNode, 0, MPI_COMM_WORLD);
350     }
351     }
352 tim 1024 }
353 gezelter 2
354 tim 1024 #endif // is_mpi
355 gezelter 2
356 tim 1024 }
357 gezelter 2
358 tim 1024 std::string DumpWriter::prepareDumpLine(StuntDouble* integrableObject) {
359    
360     int index = integrableObject->getGlobalIntegrableObjectIndex();
361     std::string type("pv");
362     std::string line;
363     char tempBuffer[4096];
364 gezelter 2
365 tim 1024 Vector3d pos;
366     Vector3d vel;
367     pos = integrableObject->getPos();
368 gezelter 1437
369     if (isinf(pos[0]) || isnan(pos[0]) ||
370     isinf(pos[1]) || isnan(pos[1]) ||
371     isinf(pos[2]) || isnan(pos[2]) ) {
372     sprintf( painCave.errMsg,
373     "DumpWriter detected a numerical error writing the position"
374     " for object %d", index);
375     painCave.isFatal = 1;
376     simError();
377     }
378    
379 tim 1024 vel = integrableObject->getVel();
380 gezelter 1437
381     if (isinf(vel[0]) || isnan(vel[0]) ||
382     isinf(vel[1]) || isnan(vel[1]) ||
383     isinf(vel[2]) || isnan(vel[2]) ) {
384     sprintf( painCave.errMsg,
385     "DumpWriter detected a numerical error writing the velocity"
386     " for object %d", index);
387     painCave.isFatal = 1;
388     simError();
389     }
390    
391 gezelter 1025 sprintf(tempBuffer, "%18.10g %18.10g %18.10g %13e %13e %13e",
392 tim 1024 pos[0], pos[1], pos[2],
393     vel[0], vel[1], vel[2]);
394     line += tempBuffer;
395 gezelter 2
396 tim 1024 if (integrableObject->isDirectional()) {
397     type += "qj";
398     Quat4d q;
399     Vector3d ji;
400     q = integrableObject->getQ();
401 gezelter 1437
402     if (isinf(q[0]) || isnan(q[0]) ||
403     isinf(q[1]) || isnan(q[1]) ||
404     isinf(q[2]) || isnan(q[2]) ||
405     isinf(q[3]) || isnan(q[3]) ) {
406     sprintf( painCave.errMsg,
407     "DumpWriter detected a numerical error writing the quaternion"
408     " for object %d", index);
409     painCave.isFatal = 1;
410     simError();
411     }
412    
413 tim 1024 ji = integrableObject->getJ();
414 gezelter 1437
415     if (isinf(ji[0]) || isnan(ji[0]) ||
416     isinf(ji[1]) || isnan(ji[1]) ||
417     isinf(ji[2]) || isnan(ji[2]) ) {
418     sprintf( painCave.errMsg,
419     "DumpWriter detected a numerical error writing the angular"
420     " momentum for object %d", index);
421     painCave.isFatal = 1;
422     simError();
423     }
424    
425 gezelter 1025 sprintf(tempBuffer, " %13e %13e %13e %13e %13e %13e %13e",
426 tim 1024 q[0], q[1], q[2], q[3],
427     ji[0], ji[1], ji[2]);
428     line += tempBuffer;
429     }
430 gezelter 2
431 tim 1024 if (needForceVector_) {
432 gezelter 1437 type += "f";
433 tim 1024 Vector3d frc;
434 gezelter 1437
435 tim 1024 frc = integrableObject->getFrc();
436 gezelter 1437
437     if (isinf(frc[0]) || isnan(frc[0]) ||
438     isinf(frc[1]) || isnan(frc[1]) ||
439     isinf(frc[2]) || isnan(frc[2]) ) {
440     sprintf( painCave.errMsg,
441     "DumpWriter detected a numerical error writing the force"
442     " for object %d", index);
443     painCave.isFatal = 1;
444     simError();
445     }
446     sprintf(tempBuffer, " %13e %13e %13e",
447     frc[0], frc[1], frc[2]);
448 tim 1024 line += tempBuffer;
449 gezelter 1437
450     if (integrableObject->isDirectional()) {
451     type += "t";
452     Vector3d trq;
453    
454     trq = integrableObject->getTrq();
455    
456     if (isinf(trq[0]) || isnan(trq[0]) ||
457     isinf(trq[1]) || isnan(trq[1]) ||
458     isinf(trq[2]) || isnan(trq[2]) ) {
459     sprintf( painCave.errMsg,
460     "DumpWriter detected a numerical error writing the torque"
461     " for object %d", index);
462     painCave.isFatal = 1;
463     simError();
464     }
465    
466     sprintf(tempBuffer, " %13e %13e %13e",
467     trq[0], trq[1], trq[2]);
468     line += tempBuffer;
469     }
470 gezelter 246 }
471 gezelter 1610 if (needParticlePot_) {
472     type += "u";
473     RealType particlePot;
474    
475     particlePot = integrableObject->getParticlePot();
476    
477     if (isinf(particlePot) || isnan(particlePot)) {
478     sprintf( painCave.errMsg,
479     "DumpWriter detected a numerical error writing the particle "
480     " potential for object %d", index);
481     painCave.isFatal = 1;
482     simError();
483     }
484     sprintf(tempBuffer, " %13e", particlePot);
485     line += tempBuffer;
486     }
487 gezelter 1437
488 gezelter 1025 sprintf(tempBuffer, "%10d %7s %s\n", index, type.c_str(), line.c_str());
489 tim 1024 return std::string(tempBuffer);
490 gezelter 507 }
491 gezelter 2
492 gezelter 507 void DumpWriter::writeDump() {
493 tim 615 writeFrame(*dumpFile_);
494 gezelter 507 }
495 tim 376
496 gezelter 507 void DumpWriter::writeEor() {
497 tim 615 std::ostream* eorStream;
498 tim 376
499     #ifdef IS_MPI
500     if (worldRank == 0) {
501     #endif // is_mpi
502    
503 tim 615 eorStream = createOStream(eorFilename_);
504 tim 376
505     #ifdef IS_MPI
506     }
507     #endif // is_mpi
508    
509 tim 615 writeFrame(*eorStream);
510    
511     #ifdef IS_MPI
512     if (worldRank == 0) {
513     #endif // is_mpi
514 tim 1024 writeClosing(*eorStream);
515     delete eorStream;
516 tim 615 #ifdef IS_MPI
517     }
518     #endif // is_mpi
519    
520 gezelter 507 }
521 tim 376
522    
523 gezelter 507 void DumpWriter::writeDumpAndEor() {
524 tim 376 std::vector<std::streambuf*> buffers;
525 tim 615 std::ostream* eorStream;
526 tim 376 #ifdef IS_MPI
527     if (worldRank == 0) {
528     #endif // is_mpi
529    
530 tim 615 buffers.push_back(dumpFile_->rdbuf());
531 tim 376
532 tim 615 eorStream = createOStream(eorFilename_);
533 tim 376
534 tim 615 buffers.push_back(eorStream->rdbuf());
535 tim 376
536     #ifdef IS_MPI
537     }
538     #endif // is_mpi
539    
540     TeeBuf tbuf(buffers.begin(), buffers.end());
541     std::ostream os(&tbuf);
542    
543     writeFrame(os);
544 tim 615
545     #ifdef IS_MPI
546     if (worldRank == 0) {
547     #endif // is_mpi
548 tim 1024 writeClosing(*eorStream);
549     delete eorStream;
550 tim 615 #ifdef IS_MPI
551     }
552     #endif // is_mpi
553 tim 376
554 gezelter 507 }
555 tim 376
556 tim 1024 std::ostream* DumpWriter::createOStream(const std::string& filename) {
557 tim 619
558 tim 615 std::ostream* newOStream;
559 tim 619 #ifdef HAVE_LIBZ
560 tim 615 if (needCompression_) {
561 tim 1024 newOStream = new ogzstream(filename.c_str());
562 tim 615 } else {
563 tim 1024 newOStream = new std::ofstream(filename.c_str());
564 tim 615 }
565 tim 619 #else
566     newOStream = new std::ofstream(filename.c_str());
567     #endif
568 tim 1024 //write out MetaData first
569 gezelter 1390 (*newOStream) << "<OpenMD version=1>" << std::endl;
570 tim 1024 (*newOStream) << " <MetaData>" << std::endl;
571     (*newOStream) << info_->getRawMetaData();
572     (*newOStream) << " </MetaData>" << std::endl;
573 tim 615 return newOStream;
574 tim 1024 }
575 tim 376
576 tim 1024 void DumpWriter::writeClosing(std::ostream& os) {
577    
578 gezelter 1390 os << "</OpenMD>\n";
579 tim 1024 os.flush();
580     }
581    
582 gezelter 1390 }//end namespace OpenMD

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