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root/OpenMD/branches/development/src/io/DumpWriter.cpp
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Comparing:
trunk/src/io/DumpWriter.cpp (file contents), Revision 376 by tim, Thu Feb 24 20:55:07 2005 UTC vs.
branches/development/src/io/DumpWriter.cpp (file contents), Revision 1874 by gezelter, Wed May 15 15:09:35 2013 UTC

# Line 1 | Line 1
1 < /*
2 < * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
1 > /*
2 > * Copyright (c) 2009 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
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 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   #include "io/DumpWriter.hpp"
44   #include "primitives/Molecule.hpp"
45   #include "utils/simError.h"
46   #include "io/basic_teebuf.hpp"
47 + #ifdef HAVE_ZLIB
48 + #include "io/gzstream.hpp"
49 + #endif
50 + #include "io/Globals.hpp"
51 +
52 + #ifdef _MSC_VER
53 + #define isnan(x) _isnan((x))
54 + #define isinf(x) (!_finite(x) && !_isnan(x))
55 + #endif
56 +
57   #ifdef IS_MPI
58   #include <mpi.h>
59 < #endif //is_mpi
59 > #endif
60  
61 < namespace oopse {
61 > using namespace std;
62 > namespace OpenMD {
63  
64 < DumpWriter::DumpWriter(SimInfo* info)
65 <                   : info_(info), filename_(info->getDumpFileName()), eorFilename_(info->getFinalConfigFileName()){
64 >  DumpWriter::DumpWriter(SimInfo* info)
65 >    : info_(info), filename_(info->getDumpFileName()), eorFilename_(info->getFinalConfigFileName()){
66 >
67 >    Globals* simParams = info->getSimParams();
68 >    needCompression_   = simParams->getCompressDumpFile();
69 >    needForceVector_   = simParams->getOutputForceVector();
70 >    needParticlePot_   = simParams->getOutputParticlePotential();
71 >    needFlucQ_         = simParams->getOutputFluctuatingCharges();
72 >    needElectricField_ = simParams->getOutputElectricField();
73 >
74 >    if (needParticlePot_ || needFlucQ_ || needElectricField_) {
75 >      doSiteData_ = true;
76 >    } else {
77 >      doSiteData_ = false;
78 >    }
79 >
80 >    createDumpFile_ = true;
81 > #ifdef HAVE_LIBZ
82 >    if (needCompression_) {
83 >      filename_ += ".gz";
84 >      eorFilename_ += ".gz";
85 >    }
86 > #endif
87 >    
88   #ifdef IS_MPI
89  
90      if (worldRank == 0) {
91   #endif // is_mpi
92 +        
93 +      dumpFile_ = createOStream(filename_);
94  
95 <        dumpFile_.open(filename_.c_str(), std::ios::out | std::ios::trunc);
95 >      if (!dumpFile_) {
96 >        sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
97 >                filename_.c_str());
98 >        painCave.isFatal = 1;
99 >        simError();
100 >      }
101  
61        if (!dumpFile_) {
62            sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
63                    filename_.c_str());
64            painCave.isFatal = 1;
65            simError();
66        }
67
102   #ifdef IS_MPI
103  
104      }
105  
72    sprintf(checkPointMsg, "Sucessfully opened output file for dumping.\n");
73    MPIcheckPoint();
74
106   #endif // is_mpi
107  
108 < }
108 >  }
109  
110  
111 < DumpWriter::DumpWriter(SimInfo* info, const std::string& filename)
112 <                   : info_(info), filename_(filename){
111 >  DumpWriter::DumpWriter(SimInfo* info, const std::string& filename)
112 >    : info_(info), filename_(filename){
113 >
114 >    Globals* simParams = info->getSimParams();
115 >    eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";    
116 >
117 >    needCompression_   = simParams->getCompressDumpFile();
118 >    needForceVector_   = simParams->getOutputForceVector();
119 >    needParticlePot_   = simParams->getOutputParticlePotential();
120 >    needFlucQ_         = simParams->getOutputFluctuatingCharges();
121 >    needElectricField_ = simParams->getOutputElectricField();
122 >
123 >    if (needParticlePot_ || needFlucQ_ || needElectricField_) {
124 >      doSiteData_ = true;
125 >    } else {
126 >      doSiteData_ = false;
127 >    }
128 >
129 >    createDumpFile_ = true;
130 > #ifdef HAVE_LIBZ
131 >    if (needCompression_) {
132 >      filename_ += ".gz";
133 >      eorFilename_ += ".gz";
134 >    }
135 > #endif
136 >    
137   #ifdef IS_MPI
138  
139      if (worldRank == 0) {
140   #endif // is_mpi
141  
142 <        eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
143 <        dumpFile_.open(filename_.c_str(), std::ios::out | std::ios::trunc);
142 >      
143 >      dumpFile_ = createOStream(filename_);
144  
145 <        if (!dumpFile_) {
146 <            sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
147 <                    filename_.c_str());
148 <            painCave.isFatal = 1;
149 <            simError();
150 <        }
145 >      if (!dumpFile_) {
146 >        sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
147 >                filename_.c_str());
148 >        painCave.isFatal = 1;
149 >        simError();
150 >      }
151  
152   #ifdef IS_MPI
153  
154      }
155  
101    sprintf(checkPointMsg, "Sucessfully opened output file for dumping.\n");
102    MPIcheckPoint();
103
156   #endif // is_mpi
157  
158 < }
158 >  }
159 >  
160 >  DumpWriter::DumpWriter(SimInfo* info, const std::string& filename, bool writeDumpFile)
161 >    : info_(info), filename_(filename){
162 >    
163 >    Globals* simParams = info->getSimParams();
164 >    eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";    
165 >    
166 >    needCompression_   = simParams->getCompressDumpFile();
167 >    needForceVector_   = simParams->getOutputForceVector();
168 >    needParticlePot_   = simParams->getOutputParticlePotential();
169 >    needFlucQ_         = simParams->getOutputFluctuatingCharges();
170 >    needElectricField_ = simParams->getOutputElectricField();
171  
172 < DumpWriter::~DumpWriter() {
172 >    if (needParticlePot_ || needFlucQ_ || needElectricField_) {
173 >      doSiteData_ = true;
174 >    } else {
175 >      doSiteData_ = false;
176 >    }
177  
178 + #ifdef HAVE_LIBZ
179 +    if (needCompression_) {
180 +      filename_ += ".gz";
181 +      eorFilename_ += ".gz";
182 +    }
183 + #endif
184 +    
185   #ifdef IS_MPI
186 <
186 >    
187      if (worldRank == 0) {
188   #endif // is_mpi
189 +      
190 +      createDumpFile_ = writeDumpFile;
191 +      if (createDumpFile_) {
192 +        dumpFile_ = createOStream(filename_);
193 +      
194 +        if (!dumpFile_) {
195 +          sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
196 +                  filename_.c_str());
197 +          painCave.isFatal = 1;
198 +          simError();
199 +        }
200 +      }
201 + #ifdef IS_MPI
202 +      
203 +    }
204  
205 <        dumpFile_.close();
205 >    
206 > #endif // is_mpi
207 >    
208 >  }
209  
210 +  DumpWriter::~DumpWriter() {
211 +
212   #ifdef IS_MPI
213  
214 +    if (worldRank == 0) {
215 + #endif // is_mpi
216 +      if (createDumpFile_){
217 +        writeClosing(*dumpFile_);
218 +        delete dumpFile_;
219 +      }
220 + #ifdef IS_MPI
221 +
222      }
223  
224   #endif // is_mpi
225  
226 < }
226 >  }
227  
228 < void DumpWriter::writeCommentLine(std::ostream& os, Snapshot* s) {
228 >  void DumpWriter::writeFrameProperties(std::ostream& os, Snapshot* s) {
229  
230 <    double currentTime;
231 <    Mat3x3d hmat;
232 <    double chi;
233 <    double integralOfChiDt;
234 <    Mat3x3d eta;
230 >    char buffer[1024];
231 >
232 >    os << "    <FrameData>\n";
233 >
234 >    RealType currentTime = s->getTime();
235 >
236 >    if (isinf(currentTime) || isnan(currentTime)) {      
237 >      sprintf( painCave.errMsg,
238 >               "DumpWriter detected a numerical error writing the time");      
239 >      painCave.isFatal = 1;
240 >      simError();
241 >    }
242      
243 <    currentTime = s->getTime();
243 >    sprintf(buffer, "        Time: %.10g\n", currentTime);
244 >    os << buffer;
245 >
246 >    Mat3x3d hmat;
247      hmat = s->getHmat();
248 <    chi = s->getChi();
249 <    integralOfChiDt = s->getIntegralOfChiDt();
250 <    eta = s->getEta();
248 >
249 >    for (unsigned int i = 0; i < 3; i++) {
250 >      for (unsigned int j = 0; j < 3; j++) {
251 >        if (isinf(hmat(i,j)) || isnan(hmat(i,j))) {      
252 >          sprintf( painCave.errMsg,
253 >                   "DumpWriter detected a numerical error writing the box");
254 >          painCave.isFatal = 1;
255 >          simError();
256 >        }        
257 >      }
258 >    }
259      
260 <    os << currentTime << ";\t"
261 <         << hmat(0, 0) << "\t" << hmat(1, 0) << "\t" << hmat(2, 0) << ";\t"
262 <         << hmat(0, 1) << "\t" << hmat(1, 1) << "\t" << hmat(2, 1) << ";\t"
263 <         << hmat(0, 2) << "\t" << hmat(1, 2) << "\t" << hmat(2, 2) << ";\t";
260 >    sprintf(buffer, "        Hmat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
261 >            hmat(0, 0), hmat(1, 0), hmat(2, 0),
262 >            hmat(0, 1), hmat(1, 1), hmat(2, 1),
263 >            hmat(0, 2), hmat(1, 2), hmat(2, 2));
264 >    os << buffer;
265  
266 <    //write out additional parameters, such as chi and eta
266 >    pair<RealType, RealType> thermostat = s->getThermostat();
267  
268 <    os << chi << "\t" << integralOfChiDt << "\t;";
268 >    if (isinf(thermostat.first)  || isnan(thermostat.first) ||
269 >        isinf(thermostat.second) || isnan(thermostat.second)) {      
270 >      sprintf( painCave.errMsg,
271 >               "DumpWriter detected a numerical error writing the thermostat");
272 >      painCave.isFatal = 1;
273 >      simError();
274 >    }
275 >    sprintf(buffer, "  Thermostat: %.10g , %.10g\n", thermostat.first,
276 >            thermostat.second);
277 >    os << buffer;
278  
279 <    os << eta(0, 0) << "\t" << eta(1, 0) << "\t" << eta(2, 0) << ";\t"
280 <         << eta(0, 1) << "\t" << eta(1, 1) << "\t" << eta(2, 1) << ";\t"
150 <         << eta(0, 2) << "\t" << eta(1, 2) << "\t" << eta(2, 2) << ";";
151 <        
152 <    os << "\n";
153 < }
279 >    Mat3x3d eta;
280 >    eta = s->getBarostat();
281  
282 < void DumpWriter::writeFrame(std::ostream& os) {
283 <    const int BUFFERSIZE = 2000;
284 <    const int MINIBUFFERSIZE = 100;
282 >    for (unsigned int i = 0; i < 3; i++) {
283 >      for (unsigned int j = 0; j < 3; j++) {
284 >        if (isinf(eta(i,j)) || isnan(eta(i,j))) {      
285 >          sprintf( painCave.errMsg,
286 >                   "DumpWriter detected a numerical error writing the barostat");
287 >          painCave.isFatal = 1;
288 >          simError();
289 >        }        
290 >      }
291 >    }
292  
293 <    char tempBuffer[BUFFERSIZE];
294 <    char writeLine[BUFFERSIZE];
293 >    sprintf(buffer, "    Barostat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
294 >            eta(0, 0), eta(1, 0), eta(2, 0),
295 >            eta(0, 1), eta(1, 1), eta(2, 1),
296 >            eta(0, 2), eta(1, 2), eta(2, 2));
297 >    os << buffer;
298  
299 <    Quat4d q;
300 <    Vector3d ji;
164 <    Vector3d pos;
165 <    Vector3d vel;
299 >    os << "    </FrameData>\n";
300 >  }
301  
302 +  void DumpWriter::writeFrame(std::ostream& os) {
303 +
304 + #ifdef IS_MPI
305 +    MPI::Status istatus;
306 + #endif
307 +
308      Molecule* mol;
309 <    StuntDouble* integrableObject;
309 >    StuntDouble* sd;
310      SimInfo::MoleculeIterator mi;
311      Molecule::IntegrableObjectIterator ii;
312 <  
313 <    int nTotObjects;    
173 <    nTotObjects = info_->getNGlobalIntegrableObjects();
312 >    RigidBody::AtomIterator ai;
313 >    Atom* atom;
314  
315   #ifndef IS_MPI
316 <
317 <
318 <    os << nTotObjects << "\n";
319 <        
320 <    writeCommentLine(os, info_->getSnapshotManager()->getCurrentSnapshot());
181 <
316 >    os << "  <Snapshot>\n";
317 >
318 >    writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
319 >
320 >    os << "    <StuntDoubles>\n";
321      for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
322  
323 <        for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
324 <            integrableObject = mol->nextIntegrableObject(ii)) {
325 <                
323 >      
324 >      for (sd = mol->beginIntegrableObject(ii); sd != NULL;  
325 >           sd = mol->nextIntegrableObject(ii)) {        
326 >          os << prepareDumpLine(sd);
327 >          
328 >      }
329 >    }    
330 >    os << "    </StuntDoubles>\n";
331  
332 <            pos = integrableObject->getPos();
333 <            vel = integrableObject->getVel();
332 >    if (doSiteData_) {
333 >      os << "    <SiteData>\n";
334 >      for (mol = info_->beginMolecule(mi); mol != NULL;
335 >           mol = info_->nextMolecule(mi)) {
336 >              
337 >        for (sd = mol->beginIntegrableObject(ii); sd != NULL;  
338 >           sd = mol->nextIntegrableObject(ii)) {        
339  
340 <            sprintf(tempBuffer, "%s\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t",
341 <                    integrableObject->getType().c_str(),
342 <                    pos[0], pos[1], pos[2],
194 <                    vel[0], vel[1], vel[2]);
340 >          int ioIndex = sd->getGlobalIntegrableObjectIndex();
341 >          // do one for the IO itself
342 >          os << prepareSiteLine(sd, ioIndex, 0);
343  
344 <            strcpy(writeLine, tempBuffer);
345 <
346 <            if (integrableObject->isDirectional()) {
347 <                q = integrableObject->getQ();
348 <                ji = integrableObject->getJ();
349 <
350 <                sprintf(tempBuffer, "%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\n",
351 <                        q[0], q[1], q[2], q[3],
204 <                        ji[0], ji[1], ji[2]);
205 <                strcat(writeLine, tempBuffer);
206 <            } else {
207 <                strcat(writeLine, "0.0\t0.0\t0.0\t0.0\t0.0\t0.0\t0.0\n");
344 >          if (sd->isRigidBody()) {
345 >            
346 >            RigidBody* rb = static_cast<RigidBody*>(sd);
347 >            int siteIndex = 0;
348 >            for (atom = rb->beginAtom(ai); atom != NULL;  
349 >                 atom = rb->nextAtom(ai)) {                                            
350 >              os << prepareSiteLine(atom, ioIndex, siteIndex);
351 >              siteIndex++;
352              }
353 <
210 <            os << writeLine;
211 <
353 >          }
354          }
355 +      }    
356 +      os << "    </SiteData>\n";
357      }
358 +    os << "  </Snapshot>\n";
359  
360      os.flush();
361 < #else // is_mpi
362 <    /*********************************************************************
218 <     * Documentation?  You want DOCUMENTATION?
219 <     *
220 <     * Why all the potatoes below?  
221 <     *
222 <     * To make a long story short, the original version of DumpWriter
223 <     * worked in the most inefficient way possible.  Node 0 would
224 <     * poke each of the node for an individual atom's formatted data
225 <     * as node 0 worked its way down the global index. This was particularly
226 <     * inefficient since the method blocked all processors at every atom
227 <     * (and did it twice!).
228 <     *
229 <     * An intermediate version of DumpWriter could be described from Node
230 <     * zero's perspective as follows:
231 <     *
232 <     *  1) Have 100 of your friends stand in a circle.
233 <     *  2) When you say go, have all of them start tossing potatoes at
234 <     *     you (one at a time).
235 <     *  3) Catch the potatoes.
236 <     *
237 <     * It was an improvement, but MPI has buffers and caches that could
238 <     * best be described in this analogy as "potato nets", so there's no
239 <     * need to block the processors atom-by-atom.
240 <     *
241 <     * This new and improved DumpWriter works in an even more efficient
242 <     * way:
243 <     *
244 <     *  1) Have 100 of your friend stand in a circle.
245 <     *  2) When you say go, have them start tossing 5-pound bags of
246 <     *     potatoes at you.
247 <     *  3) Once you've caught a friend's bag of potatoes,
248 <     *     toss them a spud to let them know they can toss another bag.
249 <     *
250 <     * How's THAT for documentation?
251 <     *
252 <     *********************************************************************/
361 > #else
362 >
363      const int masterNode = 0;
364 +    int worldRank = MPI::COMM_WORLD.Get_rank();
365 +    int nProc = MPI::COMM_WORLD.Get_size();
366  
367 <    int * potatoes;
368 <    int myPotato;
369 <    int nProc;
370 <    int which_node;
371 <    double atomData[13];
372 <    int isDirectional;
261 <    const char * atomTypeString;
262 <    char MPIatomTypeString[MINIBUFFERSIZE];
263 <    int msgLen; // the length of message actually recieved at master nodes
264 <    int haveError;
265 <    MPI_Status istatus;
266 <    int nCurObj;
267 <    
268 <    // code to find maximum tag value
269 <    int * tagub;
270 <    int flag;
271 <    int MAXTAG;
272 <    MPI_Attr_get(MPI_COMM_WORLD, MPI_TAG_UB, &tagub, &flag);
367 >    if (worldRank == masterNode) {      
368 >      os << "  <Snapshot>\n";  
369 >      writeFrameProperties(os,
370 >                           info_->getSnapshotManager()->getCurrentSnapshot());
371 >      os << "    <StuntDoubles>\n";
372 >    }
373  
374 <    if (flag) {
375 <        MAXTAG = *tagub;
376 <    } else {
377 <        MAXTAG = 32767;
374 >    //every node prepares the dump lines for integrable objects belong to itself
375 >    std::string buffer;
376 >    for (mol = info_->beginMolecule(mi); mol != NULL;
377 >         mol = info_->nextMolecule(mi)) {
378 >      for (sd = mol->beginIntegrableObject(ii); sd != NULL;
379 >           sd = mol->nextIntegrableObject(ii)) {        
380 >        buffer += prepareDumpLine(sd);
381 >      }
382      }
383 +    
384 +    if (worldRank == masterNode) {      
385 +      os << buffer;
386 +      
387 +      for (int i = 1; i < nProc; ++i) {
388 +        // tell processor i to start sending us data:
389 +        MPI::COMM_WORLD.Bcast(&i, 1, MPI::INT, masterNode);
390  
391 <    if (worldRank == masterNode) { //master node (node 0) is responsible for writing the dump file
391 >        // receive the length of the string buffer that was
392 >        // prepared by processor i:        
393 >        int recvLength;
394 >        MPI::COMM_WORLD.Recv(&recvLength, 1, MPI::INT, i, MPI::ANY_TAG,
395 >                             istatus);
396  
397 <        // Node 0 needs a list of the magic potatoes for each processor;
397 >        // create a buffer to receive the data
398 >        char* recvBuffer = new char[recvLength];
399 >        if (recvBuffer == NULL) {
400 >        } else {
401 >          // receive the data:
402 >          MPI::COMM_WORLD.Recv(recvBuffer, recvLength, MPI::CHAR, i,
403 >                               MPI::ANY_TAG, istatus);
404 >          // send it to the file:
405 >          os << recvBuffer;
406 >          // get rid of the receive buffer:
407 >          delete [] recvBuffer;
408 >        }
409 >      }
410 >    } else {
411 >      int sendBufferLength = buffer.size() + 1;
412 >      int myturn = 0;
413 >      for (int i = 1; i < nProc; ++i){
414 >        // wait for the master node to call our number:
415 >        MPI::COMM_WORLD.Bcast(&myturn, 1, MPI::INT, masterNode);
416 >        if (myturn == worldRank){
417 >          // send the length of our buffer:
418 >          MPI::COMM_WORLD.Send(&sendBufferLength, 1, MPI::INT, masterNode, 0);
419  
420 <        MPI_Comm_size(MPI_COMM_WORLD, &nProc);
421 <        potatoes = new int[nProc];
422 <
287 <        //write out the comment lines
288 <        for(int i = 0; i < nProc; i++) {
289 <            potatoes[i] = 0;
420 >          // send our buffer:
421 >          MPI::COMM_WORLD.Send((void *)buffer.c_str(), sendBufferLength,
422 >                               MPI::CHAR, masterNode, 0);
423          }
424 +      }
425 +    }
426 +    
427 +    if (worldRank == masterNode) {      
428 +      os << "    </StuntDoubles>\n";
429 +    }
430  
431 +    if (doSiteData_) {
432 +      if (worldRank == masterNode) {
433 +        os << "    <SiteData>\n";
434 +      }
435 +      buffer.clear();
436 +      for (mol = info_->beginMolecule(mi); mol != NULL;
437 +           mol = info_->nextMolecule(mi)) {
438 +              
439 +        for (sd = mol->beginIntegrableObject(ii); sd != NULL;  
440 +             sd = mol->nextIntegrableObject(ii)) {      
441 +          
442 +          int ioIndex = sd->getGlobalIntegrableObjectIndex();
443 +          // do one for the IO itself
444 +          buffer += prepareSiteLine(sd, ioIndex, 0);
445  
446 <        os << nTotObjects << "\n";
447 <        writeCommentLine(os, info_->getSnapshotManager()->getCurrentSnapshot());
446 >          if (sd->isRigidBody()) {
447 >            
448 >            RigidBody* rb = static_cast<RigidBody*>(sd);
449 >            int siteIndex = 0;
450 >            for (atom = rb->beginAtom(ai); atom != NULL;  
451 >                 atom = rb->nextAtom(ai)) {                                            
452 >              buffer += prepareSiteLine(atom, ioIndex, siteIndex);
453 >              siteIndex++;
454 >            }
455 >          }
456 >        }
457 >      }
458  
459 <        for(int i = 0; i < info_->getNGlobalMolecules(); i++) {
459 >      if (worldRank == masterNode) {    
460 >        os << buffer;
461 >        
462 >        for (int i = 1; i < nProc; ++i) {
463 >          
464 >          // tell processor i to start sending us data:
465 >          MPI::COMM_WORLD.Bcast(&i, 1, MPI::INT, masterNode);
466 >          
467 >          // receive the length of the string buffer that was
468 >          // prepared by processor i:        
469 >          int recvLength;
470 >          MPI::COMM_WORLD.Recv(&recvLength, 1, MPI::INT, i, MPI::ANY_TAG,
471 >                               istatus);
472 >          
473 >          // create a buffer to receive the data
474 >          char* recvBuffer = new char[recvLength];
475 >          if (recvBuffer == NULL) {
476 >          } else {
477 >            // receive the data:
478 >            MPI::COMM_WORLD.Recv(recvBuffer, recvLength, MPI::CHAR, i,
479 >                                 MPI::ANY_TAG, istatus);
480 >            // send it to the file:
481 >            os << recvBuffer;
482 >            // get rid of the receive buffer:
483 >            delete [] recvBuffer;
484 >          }
485 >        }      
486 >      } else {
487 >        int sendBufferLength = buffer.size() + 1;
488 >        int myturn = 0;
489 >        for (int i = 1; i < nProc; ++i){
490 >          // wait for the master node to call our number:
491 >          MPI::COMM_WORLD.Bcast(&myturn, 1, MPI::INT, masterNode);
492 >          if (myturn == worldRank){
493 >            // send the length of our buffer:
494 >            MPI::COMM_WORLD.Send(&sendBufferLength, 1, MPI::INT, masterNode, 0);
495 >            // send our buffer:
496 >            MPI::COMM_WORLD.Send((void *)buffer.c_str(), sendBufferLength,
497 >                                 MPI::CHAR, masterNode, 0);
498 >          }
499 >        }
500 >      }
501 >      
502 >      if (worldRank == masterNode) {    
503 >        os << "    </SiteData>\n";
504 >      }
505 >    }
506 >    
507 >    if (worldRank == masterNode) {
508 >      os << "  </Snapshot>\n";
509 >      os.flush();
510 >    }
511 >    
512 > #endif // is_mpi
513 >    
514 >  }
515  
516 <            // Get the Node number which has this atom;
516 >  std::string DumpWriter::prepareDumpLine(StuntDouble* sd) {
517 >        
518 >    int index = sd->getGlobalIntegrableObjectIndex();
519 >    std::string type("pv");
520 >    std::string line;
521 >    char tempBuffer[4096];
522  
523 <            which_node = info_->getMolToProc(i);
523 >    Vector3d pos;
524 >    Vector3d vel;
525 >    pos = sd->getPos();
526  
527 <            if (which_node != masterNode) { //current molecule is in slave node
528 <                if (potatoes[which_node] + 1 >= MAXTAG) {
529 <                    // The potato was going to exceed the maximum value,
530 <                    // so wrap this processor potato back to 0:        
527 >    if (isinf(pos[0]) || isnan(pos[0]) ||
528 >        isinf(pos[1]) || isnan(pos[1]) ||
529 >        isinf(pos[2]) || isnan(pos[2]) ) {      
530 >      sprintf( painCave.errMsg,
531 >               "DumpWriter detected a numerical error writing the position"
532 >               " for object %d", index);      
533 >      painCave.isFatal = 1;
534 >      simError();
535 >    }
536  
537 <                    potatoes[which_node] = 0;
308 <                    MPI_Send(&potatoes[which_node], 1, MPI_INT, which_node, 0,
309 <                             MPI_COMM_WORLD);
310 <                }
537 >    vel = sd->getVel();        
538  
539 <                myPotato = potatoes[which_node];
539 >    if (isinf(vel[0]) || isnan(vel[0]) ||
540 >        isinf(vel[1]) || isnan(vel[1]) ||
541 >        isinf(vel[2]) || isnan(vel[2]) ) {      
542 >      sprintf( painCave.errMsg,
543 >               "DumpWriter detected a numerical error writing the velocity"
544 >               " for object %d", index);      
545 >      painCave.isFatal = 1;
546 >      simError();
547 >    }
548  
549 <                //recieve the number of integrableObject in current molecule
550 <                MPI_Recv(&nCurObj, 1, MPI_INT, which_node, myPotato,
551 <                         MPI_COMM_WORLD, &istatus);
552 <                myPotato++;
549 >    sprintf(tempBuffer, "%18.10g %18.10g %18.10g %13e %13e %13e",
550 >            pos[0], pos[1], pos[2],
551 >            vel[0], vel[1], vel[2]);                    
552 >    line += tempBuffer;
553  
554 <                for(int l = 0; l < nCurObj; l++) {
555 <                    if (potatoes[which_node] + 2 >= MAXTAG) {
556 <                        // The potato was going to exceed the maximum value,
557 <                        // so wrap this processor potato back to 0:        
554 >    if (sd->isDirectional()) {
555 >      type += "qj";
556 >      Quat4d q;
557 >      Vector3d ji;
558 >      q = sd->getQ();
559  
560 <                        potatoes[which_node] = 0;
561 <                        MPI_Send(&potatoes[which_node], 1, MPI_INT, which_node,
562 <                                 0, MPI_COMM_WORLD);
563 <                    }
560 >      if (isinf(q[0]) || isnan(q[0]) ||
561 >          isinf(q[1]) || isnan(q[1]) ||
562 >          isinf(q[2]) || isnan(q[2]) ||
563 >          isinf(q[3]) || isnan(q[3]) ) {      
564 >        sprintf( painCave.errMsg,
565 >                 "DumpWriter detected a numerical error writing the quaternion"
566 >                 " for object %d", index);      
567 >        painCave.isFatal = 1;
568 >        simError();
569 >      }
570  
571 <                    MPI_Recv(MPIatomTypeString, MINIBUFFERSIZE, MPI_CHAR,
330 <                             which_node, myPotato, MPI_COMM_WORLD,
331 <                             &istatus);
571 >      ji = sd->getJ();
572  
573 <                    atomTypeString = MPIatomTypeString;
573 >      if (isinf(ji[0]) || isnan(ji[0]) ||
574 >          isinf(ji[1]) || isnan(ji[1]) ||
575 >          isinf(ji[2]) || isnan(ji[2]) ) {      
576 >        sprintf( painCave.errMsg,
577 >                 "DumpWriter detected a numerical error writing the angular"
578 >                 " momentum for object %d", index);      
579 >        painCave.isFatal = 1;
580 >        simError();
581 >      }
582  
583 <                    myPotato++;
583 >      sprintf(tempBuffer, " %13e %13e %13e %13e %13e %13e %13e",
584 >              q[0], q[1], q[2], q[3],
585 >              ji[0], ji[1], ji[2]);
586 >      line += tempBuffer;
587 >    }
588  
589 <                    MPI_Recv(atomData, 13, MPI_DOUBLE, which_node, myPotato,
590 <                             MPI_COMM_WORLD, &istatus);
591 <                    myPotato++;
589 >    if (needForceVector_) {
590 >      type += "f";
591 >      Vector3d frc = sd->getFrc();
592 >      if (isinf(frc[0]) || isnan(frc[0]) ||
593 >          isinf(frc[1]) || isnan(frc[1]) ||
594 >          isinf(frc[2]) || isnan(frc[2]) ) {      
595 >        sprintf( painCave.errMsg,
596 >                 "DumpWriter detected a numerical error writing the force"
597 >                 " for object %d", index);      
598 >        painCave.isFatal = 1;
599 >        simError();
600 >      }
601 >      sprintf(tempBuffer, " %13e %13e %13e",
602 >              frc[0], frc[1], frc[2]);
603 >      line += tempBuffer;
604 >      
605 >      if (sd->isDirectional()) {
606 >        type += "t";
607 >        Vector3d trq = sd->getTrq();        
608 >        if (isinf(trq[0]) || isnan(trq[0]) ||
609 >            isinf(trq[1]) || isnan(trq[1]) ||
610 >            isinf(trq[2]) || isnan(trq[2]) ) {      
611 >          sprintf( painCave.errMsg,
612 >                   "DumpWriter detected a numerical error writing the torque"
613 >                   " for object %d", index);      
614 >          painCave.isFatal = 1;
615 >          simError();
616 >        }        
617 >        sprintf(tempBuffer, " %13e %13e %13e",
618 >                trq[0], trq[1], trq[2]);
619 >        line += tempBuffer;
620 >      }      
621 >    }
622  
623 <                    MPI_Get_count(&istatus, MPI_DOUBLE, &msgLen);
623 >    sprintf(tempBuffer, "%10d %7s %s\n", index, type.c_str(), line.c_str());
624 >    return std::string(tempBuffer);
625 >  }
626  
627 <                    if (msgLen == 13)
628 <                        isDirectional = 1;
345 <                    else
346 <                        isDirectional = 0;
627 >  std::string DumpWriter::prepareSiteLine(StuntDouble* sd, int ioIndex, int siteIndex) {
628 >        
629  
630 <                    // If we've survived to here, format the line:
630 >    std::string id;
631 >    std::string type;
632 >    std::string line;
633 >    char tempBuffer[4096];
634  
635 <                    if (!isDirectional) {
636 <                        sprintf(writeLine, "%s\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t",
637 <                                atomTypeString, atomData[0],
638 <                                atomData[1], atomData[2],
639 <                                atomData[3], atomData[4],
640 <                                atomData[5]);
635 >    if (sd->isRigidBody()) {
636 >      sprintf(tempBuffer, "%10d           ", ioIndex);
637 >      id = std::string(tempBuffer);
638 >    } else {
639 >      sprintf(tempBuffer, "%10d %10d", ioIndex, siteIndex);
640 >      id = std::string(tempBuffer);
641 >    }
642 >              
643 >    if (needFlucQ_) {
644 >      type += "cw";
645 >      RealType fqPos = sd->getFlucQPos();
646 >      if (isinf(fqPos) || isnan(fqPos) ) {      
647 >        sprintf( painCave.errMsg,
648 >                 "DumpWriter detected a numerical error writing the"
649 >                 " fluctuating charge for object %s", id.c_str());      
650 >        painCave.isFatal = 1;
651 >        simError();
652 >      }
653 >      sprintf(tempBuffer, " %13e ", fqPos);
654 >      line += tempBuffer;
655 >    
656 >      RealType fqVel = sd->getFlucQVel();
657 >      if (isinf(fqVel) || isnan(fqVel) ) {      
658 >        sprintf( painCave.errMsg,
659 >                 "DumpWriter detected a numerical error writing the"
660 >                 " fluctuating charge velocity for object %s", id.c_str());      
661 >        painCave.isFatal = 1;
662 >        simError();
663 >      }
664 >      sprintf(tempBuffer, " %13e ", fqVel);
665 >      line += tempBuffer;
666  
667 <                        strcat(writeLine,
668 <                               "0.0\t0.0\t0.0\t0.0\t0.0\t0.0\t0.0\n");
669 <                    } else {
670 <                        sprintf(writeLine,
671 <                                "%s\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\n",
672 <                                atomTypeString,
673 <                                atomData[0],
674 <                                atomData[1],
675 <                                atomData[2],
676 <                                atomData[3],
677 <                                atomData[4],
678 <                                atomData[5],
679 <                                atomData[6],
680 <                                atomData[7],
371 <                                atomData[8],
372 <                                atomData[9],
373 <                                atomData[10],
374 <                                atomData[11],
375 <                                atomData[12]);
376 <                    }
667 >      if (needForceVector_) {
668 >        type += "g";
669 >        RealType fqFrc = sd->getFlucQFrc();        
670 >        if (isinf(fqFrc) || isnan(fqFrc) ) {      
671 >          sprintf( painCave.errMsg,
672 >                   "DumpWriter detected a numerical error writing the"
673 >                   " fluctuating charge force for object %s", id.c_str());      
674 >          painCave.isFatal = 1;
675 >          simError();
676 >        }
677 >        sprintf(tempBuffer, " %13e ", fqFrc);        
678 >        line += tempBuffer;
679 >      }
680 >    }
681  
682 <                    os << writeLine;
682 >    if (needElectricField_) {
683 >      type += "e";
684 >      Vector3d eField= sd->getElectricField();
685 >      if (isinf(eField[0]) || isnan(eField[0]) ||
686 >          isinf(eField[1]) || isnan(eField[1]) ||
687 >          isinf(eField[2]) || isnan(eField[2]) ) {      
688 >        sprintf( painCave.errMsg,
689 >                 "DumpWriter detected a numerical error writing the electric"
690 >                 " field for object %s", id.c_str());      
691 >        painCave.isFatal = 1;
692 >        simError();
693 >      }
694 >      sprintf(tempBuffer, " %13e %13e %13e",
695 >              eField[0], eField[1], eField[2]);
696 >      line += tempBuffer;
697 >    }
698  
380                } // end for(int l =0)
699  
700 <                potatoes[which_node] = myPotato;
701 <            } else { //master node has current molecule
700 >    if (needParticlePot_) {
701 >      type += "u";
702 >      RealType particlePot = sd->getParticlePot();
703 >      if (isinf(particlePot) || isnan(particlePot)) {      
704 >        sprintf( painCave.errMsg,
705 >                 "DumpWriter detected a numerical error writing the particle "
706 >                 " potential for object %s", id.c_str());      
707 >        painCave.isFatal = 1;
708 >        simError();
709 >      }
710 >      sprintf(tempBuffer, " %13e", particlePot);
711 >      line += tempBuffer;
712 >    }
713 >    
714  
715 <                mol = info_->getMoleculeByGlobalIndex(i);
716 <
717 <                if (mol == NULL) {
388 <                    sprintf(painCave.errMsg, "Molecule not found on node %d!", worldRank);
389 <                    painCave.isFatal = 1;
390 <                    simError();
391 <                }
392 <                
393 <                for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
394 <                    integrableObject = mol->nextIntegrableObject(ii)) {
395 <                        
396 <                    atomTypeString = integrableObject->getType().c_str();
397 <
398 <                    pos = integrableObject->getPos();
399 <                    vel = integrableObject->getVel();
400 <
401 <                    atomData[0] = pos[0];
402 <                    atomData[1] = pos[1];
403 <                    atomData[2] = pos[2];
404 <
405 <                    atomData[3] = vel[0];
406 <                    atomData[4] = vel[1];
407 <                    atomData[5] = vel[2];
408 <
409 <                    isDirectional = 0;
410 <
411 <                    if (integrableObject->isDirectional()) {
412 <                        isDirectional = 1;
715 >    sprintf(tempBuffer, "%s %7s %s\n", id.c_str(), type.c_str(), line.c_str());
716 >    return std::string(tempBuffer);
717 >  }
718  
719 <                        q = integrableObject->getQ();
720 <                        ji = integrableObject->getJ();
719 >  void DumpWriter::writeDump() {
720 >    writeFrame(*dumpFile_);
721 >  }
722  
723 <                        for(int j = 0; j < 6; j++) {
724 <                            atomData[j] = atomData[j];
419 <                        }
420 <
421 <                        atomData[6] = q[0];
422 <                        atomData[7] = q[1];
423 <                        atomData[8] = q[2];
424 <                        atomData[9] = q[3];
425 <
426 <                        atomData[10] = ji[0];
427 <                        atomData[11] = ji[1];
428 <                        atomData[12] = ji[2];
429 <                    }
430 <
431 <                    // If we've survived to here, format the line:
432 <
433 <                    if (!isDirectional) {
434 <                        sprintf(writeLine, "%s\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t",
435 <                                atomTypeString, atomData[0],
436 <                                atomData[1], atomData[2],
437 <                                atomData[3], atomData[4],
438 <                                atomData[5]);
439 <
440 <                        strcat(writeLine,
441 <                               "0.0\t0.0\t0.0\t0.0\t0.0\t0.0\t0.0\n");
442 <                    } else {
443 <                        sprintf(writeLine,
444 <                                "%s\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\t%lf\n",
445 <                                atomTypeString,
446 <                                atomData[0],
447 <                                atomData[1],
448 <                                atomData[2],
449 <                                atomData[3],
450 <                                atomData[4],
451 <                                atomData[5],
452 <                                atomData[6],
453 <                                atomData[7],
454 <                                atomData[8],
455 <                                atomData[9],
456 <                                atomData[10],
457 <                                atomData[11],
458 <                                atomData[12]);
459 <                    }
460 <
461 <
462 <                    os << writeLine;
463 <
464 <                } //end for(iter = integrableObject.begin())
465 <            }
466 <        } //end for(i = 0; i < mpiSim->getNmol())
467 <
468 <        os.flush();
469 <        
470 <        sprintf(checkPointMsg, "Sucessfully took a dump.\n");
471 <        MPIcheckPoint();
472 <
473 <        delete [] potatoes;
474 <    } else {
475 <
476 <        // worldRank != 0, so I'm a remote node.  
477 <
478 <        // Set my magic potato to 0:
479 <
480 <        myPotato = 0;
481 <
482 <        for(int i = 0; i < info_->getNGlobalMolecules(); i++) {
483 <
484 <            // Am I the node which has this integrableObject?
485 <            int whichNode = info_->getMolToProc(i);
486 <            if (whichNode == worldRank) {
487 <                if (myPotato + 1 >= MAXTAG) {
488 <
489 <                    // The potato was going to exceed the maximum value,
490 <                    // so wrap this processor potato back to 0 (and block until
491 <                    // node 0 says we can go:
492 <
493 <                    MPI_Recv(&myPotato, 1, MPI_INT, 0, 0, MPI_COMM_WORLD,
494 <                             &istatus);
495 <                }
496 <
497 <                mol = info_->getMoleculeByGlobalIndex(i);
498 <
499 <                
500 <                nCurObj = mol->getNIntegrableObjects();
501 <
502 <                MPI_Send(&nCurObj, 1, MPI_INT, 0, myPotato, MPI_COMM_WORLD);
503 <                myPotato++;
504 <
505 <                for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
506 <                    integrableObject = mol->nextIntegrableObject(ii)) {
507 <
508 <                    if (myPotato + 2 >= MAXTAG) {
509 <
510 <                        // The potato was going to exceed the maximum value,
511 <                        // so wrap this processor potato back to 0 (and block until
512 <                        // node 0 says we can go:
513 <
514 <                        MPI_Recv(&myPotato, 1, MPI_INT, 0, 0, MPI_COMM_WORLD,
515 <                                 &istatus);
516 <                    }
517 <
518 <                    atomTypeString = integrableObject->getType().c_str();
519 <
520 <                    pos = integrableObject->getPos();
521 <                    vel = integrableObject->getVel();
522 <
523 <                    atomData[0] = pos[0];
524 <                    atomData[1] = pos[1];
525 <                    atomData[2] = pos[2];
526 <
527 <                    atomData[3] = vel[0];
528 <                    atomData[4] = vel[1];
529 <                    atomData[5] = vel[2];
530 <
531 <                    isDirectional = 0;
532 <
533 <                    if (integrableObject->isDirectional()) {
534 <                        isDirectional = 1;
535 <
536 <                        q = integrableObject->getQ();
537 <                        ji = integrableObject->getJ();
538 <
539 <                        atomData[6] = q[0];
540 <                        atomData[7] = q[1];
541 <                        atomData[8] = q[2];
542 <                        atomData[9] = q[3];
543 <
544 <                        atomData[10] = ji[0];
545 <                        atomData[11] = ji[1];
546 <                        atomData[12] = ji[2];
547 <                    }
548 <
549 <                    strncpy(MPIatomTypeString, atomTypeString, MINIBUFFERSIZE);
550 <
551 <                    // null terminate the  std::string before sending (just in case):
552 <                    MPIatomTypeString[MINIBUFFERSIZE - 1] = '\0';
553 <
554 <                    MPI_Send(MPIatomTypeString, MINIBUFFERSIZE, MPI_CHAR, 0,
555 <                             myPotato, MPI_COMM_WORLD);
556 <
557 <                    myPotato++;
558 <
559 <                    if (isDirectional) {
560 <                        MPI_Send(atomData, 13, MPI_DOUBLE, 0, myPotato,
561 <                                 MPI_COMM_WORLD);
562 <                    } else {
563 <                        MPI_Send(atomData, 6, MPI_DOUBLE, 0, myPotato,
564 <                                 MPI_COMM_WORLD);
565 <                    }
566 <
567 <                    myPotato++;
568 <                }
569 <                    
570 <            }
571 <            
572 <        }
573 <        sprintf(checkPointMsg, "Sucessfully took a dump.\n");
574 <        MPIcheckPoint();
575 <    }
576 <
577 < #endif // is_mpi
578 <
579 < }
580 <
581 < void DumpWriter::writeDump() {
582 <    writeFrame(dumpFile_);
583 <
584 < }
585 <
586 < void DumpWriter::writeEor() {
587 <    std::ofstream eorStream;
723 >  void DumpWriter::writeEor() {
724 >    std::ostream* eorStream;
725      
726   #ifdef IS_MPI
727      if (worldRank == 0) {
728   #endif // is_mpi
729 +      
730 +      eorStream = createOStream(eorFilename_);
731 +      writeFrame(*eorStream);
732 +      
733 + #ifdef IS_MPI
734 +    }
735 +    if (worldRank == 0) {
736 + #endif // is_mpi
737  
738 <        eorStream.open(eorFilename_.c_str());
739 <        if (!eorStream.is_open()) {
595 <            sprintf(painCave.errMsg, "DumpWriter : Could not open \"%s\" for writing.\n",
596 <                    eorFilename_.c_str());
597 <            painCave.isFatal = 1;
598 <            simError();
599 <        }
738 >      writeClosing(*eorStream);
739 >      delete eorStream;
740  
741   #ifdef IS_MPI
742      }
743 < #endif // is_mpi    
743 > #endif // is_mpi  
744  
745 <    writeFrame(eorStream);
606 < }
745 >  }
746  
747  
748 < void DumpWriter::writeDumpAndEor() {
610 <    std::ofstream eorStream;
748 >  void DumpWriter::writeDumpAndEor() {
749      std::vector<std::streambuf*> buffers;
750 +    std::ostream* eorStream;
751   #ifdef IS_MPI
752      if (worldRank == 0) {
753   #endif // is_mpi
754  
755 <        buffers.push_back(dumpFile_.rdbuf());
755 >      buffers.push_back(dumpFile_->rdbuf());
756  
757 <        eorStream.open(eorFilename_.c_str());
619 <        if (!eorStream.is_open()) {
620 <            sprintf(painCave.errMsg, "DumpWriter : Could not open \"%s\" for writing.\n",
621 <                    eorFilename_.c_str());
622 <            painCave.isFatal = 1;
623 <            simError();
624 <        }
757 >      eorStream = createOStream(eorFilename_);
758  
759 <        buffers.push_back(eorStream.rdbuf());
759 >      buffers.push_back(eorStream->rdbuf());
760          
761   #ifdef IS_MPI
762      }
# Line 633 | Line 766 | void DumpWriter::writeDumpAndEor() {
766      std::ostream os(&tbuf);
767  
768      writeFrame(os);
769 +
770 + #ifdef IS_MPI
771 +    if (worldRank == 0) {
772 + #endif // is_mpi
773 +      writeClosing(*eorStream);
774 +      delete eorStream;
775 + #ifdef IS_MPI
776 +    }
777 + #endif // is_mpi  
778      
779 < }
779 >  }
780  
781 +  std::ostream* DumpWriter::createOStream(const std::string& filename) {
782  
783 +    std::ostream* newOStream;
784 + #ifdef HAVE_ZLIB
785 +    if (needCompression_) {
786 +      newOStream = new ogzstream(filename.c_str());
787 +    } else {
788 +      newOStream = new std::ofstream(filename.c_str());
789 +    }
790 + #else
791 +    newOStream = new std::ofstream(filename.c_str());
792 + #endif
793 +    //write out MetaData first
794 +    (*newOStream) << "<OpenMD version=2>" << std::endl;
795 +    (*newOStream) << "  <MetaData>" << std::endl;
796 +    (*newOStream) << info_->getRawMetaData();
797 +    (*newOStream) << "  </MetaData>" << std::endl;
798 +    return newOStream;
799 +  }
800  
801 < }//end namespace oopse
801 >  void DumpWriter::writeClosing(std::ostream& os) {
802 >
803 >    os << "</OpenMD>\n";
804 >    os.flush();
805 >  }
806 >
807 > }//end namespace OpenMD

Comparing:
trunk/src/io/DumpWriter.cpp (property svn:keywords), Revision 376 by tim, Thu Feb 24 20:55:07 2005 UTC vs.
branches/development/src/io/DumpWriter.cpp (property svn:keywords), Revision 1874 by gezelter, Wed May 15 15:09:35 2013 UTC

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