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root/OpenMD/trunk/src/rnemd/RNEMD.cpp
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Comparing:
trunk/src/integrators/RNEMD.cpp (file contents), Revision 1330 by skuang, Thu Mar 19 21:03:36 2009 UTC vs.
trunk/src/rnemd/RNEMD.cpp (file contents), 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
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 < #include "integrators/RNEMD.hpp"
43 < #include "math/SquareMatrix3.hpp"
44 < #include "primitives/Molecule.hpp"
45 < #include "primitives/StuntDouble.hpp"
46 <
47 < #ifndef IS_MPI
48 < #include "math/SeqRandNumGen.hpp"
49 < #else
50 < #include "math/ParallelRandNumGen.hpp"
51 < #endif
52 <
53 < /* Remove me after testing*/
54 < /*
55 < #include <cstdio>
56 < #include <iostream>
57 < */
58 < /*End remove me*/
59 <
60 < namespace oopse {
61 <  
62 <  RNEMD::RNEMD(SimInfo* info) : info_(info) {
63 <    
64 <    int seedValue;
65 <    Globals * simParams = info->getSimParams();
66 <
67 <    stringToEnumMap_["Kinetic"] = rnemdKinetic;
68 <    stringToEnumMap_["Px"] = rnemdPx;
69 <    stringToEnumMap_["Py"] = rnemdPy;
70 <    stringToEnumMap_["Pz"] = rnemdPz;
71 <    stringToEnumMap_["Unknown"] = rnemdUnknown;
72 <
73 <    const std::string st = simParams->getRNEMD_swapType();
74 <
75 <    std::map<std::string, RNEMDTypeEnum>::iterator i;
76 <    i = stringToEnumMap_.find(st);
77 <    rnemdType_  = (i == stringToEnumMap_.end()) ? RNEMD::rnemdUnknown : i->second;
78 <
79 <
80 <    set_RNEMD_swapTime(simParams->getRNEMD_swapTime());
81 <    set_RNEMD_nBins(simParams->getRNEMD_nBins());
82 <    exchangeSum_ = 0.0;
83 <    
84 < #ifndef IS_MPI
85 <    if (simParams->haveSeed()) {
86 <      seedValue = simParams->getSeed();
87 <      randNumGen_ = new SeqRandNumGen(seedValue);
88 <    }else {
89 <      randNumGen_ = new SeqRandNumGen();
90 <    }    
91 < #else
92 <    if (simParams->haveSeed()) {
93 <      seedValue = simParams->getSeed();
94 <      randNumGen_ = new ParallelRandNumGen(seedValue);
95 <    }else {
96 <      randNumGen_ = new ParallelRandNumGen();
97 <    }    
98 < #endif
99 <  }
100 <  
101 <  RNEMD::~RNEMD() {
102 <    delete randNumGen_;
103 <  }
104 <
105 <  void RNEMD::doSwap() {
106 <    std::cerr << "in RNEMD!\n";  
107 <    std::cerr << "nBins = " << nBins_ << "\n";
108 <    std::cerr << "swapTime = " << swapTime_ << "\n";
109 <    std::cerr << "exchangeSum = " << exchangeSum_ << "\n";
110 <    std::cerr << "swapType = " << rnemdType_ << "\n";
111 <  }  
112 < }
9 > * 1. Redistributions of source code must retain the above copyright
10 > *    notice, this list of conditions and the following disclaimer.
11 > *
12 > * 2. Redistributions in binary form must reproduce the above copyright
13 > *    notice, this list of conditions and the following disclaimer in the
14 > *    documentation and/or other materials provided with the
15 > *    distribution.
16 > *
17 > * This software is provided "AS IS," without a warranty of any
18 > * kind. All express or implied conditions, representations and
19 > * warranties, including any implied warranty of merchantability,
20 > * fitness for a particular purpose or non-infringement, are hereby
21 > * excluded.  The University of Notre Dame and its licensors shall not
22 > * be liable for any damages suffered by licensee as a result of
23 > * using, modifying or distributing the software or its
24 > * derivatives. In no event will the University of Notre Dame or its
25 > * licensors be liable for any lost revenue, profit or data, or for
26 > * direct, indirect, special, consequential, incidental or punitive
27 > * damages, however caused and regardless of the theory of liability,
28 > * arising out of the use of or inability to use software, even if the
29 > * University of Notre Dame has been advised of the possibility of
30 > * such damages.
31 > *
32 > * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 > * research, please cite the appropriate papers when you publish your
34 > * work.  Good starting points are:
35 > *                                                                      
36 > * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 > * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 > * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
39 > * [4]  Vardeman & Gezelter, in progress (2009).                        
40 > */
41 > #ifdef IS_MPI
42 > #include <mpi.h>
43 > #endif
44 >
45 > #include <cmath>
46 > #include <sstream>
47 > #include <string>
48 >
49 > #include "rnemd/RNEMD.hpp"
50 > #include "math/Vector3.hpp"
51 > #include "math/Vector.hpp"
52 > #include "math/SquareMatrix3.hpp"
53 > #include "math/Polynomial.hpp"
54 > #include "primitives/Molecule.hpp"
55 > #include "primitives/StuntDouble.hpp"
56 > #include "utils/PhysicalConstants.hpp"
57 > #include "utils/Tuple.hpp"
58 > #include "brains/Thermo.hpp"
59 > #include "math/ConvexHull.hpp"
60 >
61 > #ifdef _MSC_VER
62 > #define isnan(x) _isnan((x))
63 > #define isinf(x) (!_finite(x) && !_isnan(x))
64 > #endif
65 >
66 > #define HONKING_LARGE_VALUE 1.0e10
67 >
68 > using namespace std;
69 > namespace OpenMD {
70 >  
71 >  RNEMD::RNEMD(SimInfo* info) : info_(info),
72 >                                evaluator_(info_), seleMan_(info_),
73 >                                evaluatorA_(info_), seleManA_(info_),
74 >                                evaluatorB_(info_), seleManB_(info_),
75 >                                commonA_(info_), commonB_(info_),
76 >                                usePeriodicBoundaryConditions_(info_->getSimParams()->getUsePeriodicBoundaryConditions()),
77 >                                hasDividingArea_(false),
78 >                                hasData_(false) {
79 >
80 >    trialCount_ = 0;
81 >    failTrialCount_ = 0;
82 >    failRootCount_ = 0;
83 >
84 >    Globals* simParams = info->getSimParams();
85 >    RNEMDParameters* rnemdParams = simParams->getRNEMDParameters();
86 >
87 >    doRNEMD_ = rnemdParams->getUseRNEMD();
88 >    if (!doRNEMD_) return;
89 >
90 >    stringToMethod_["Swap"]  = rnemdSwap;
91 >    stringToMethod_["NIVS"]  = rnemdNIVS;
92 >    stringToMethod_["VSS"]   = rnemdVSS;
93 >
94 >    stringToFluxType_["KE"]  = rnemdKE;
95 >    stringToFluxType_["Px"]  = rnemdPx;
96 >    stringToFluxType_["Py"]  = rnemdPy;
97 >    stringToFluxType_["Pz"]  = rnemdPz;
98 >    stringToFluxType_["Pvector"]  = rnemdPvector;
99 >    stringToFluxType_["Lx"]  = rnemdLx;
100 >    stringToFluxType_["Ly"]  = rnemdLy;
101 >    stringToFluxType_["Lz"]  = rnemdLz;
102 >    stringToFluxType_["Lvector"]  = rnemdLvector;
103 >    stringToFluxType_["KE+Px"]  = rnemdKePx;
104 >    stringToFluxType_["KE+Py"]  = rnemdKePy;
105 >    stringToFluxType_["KE+Pvector"]  = rnemdKePvector;
106 >    stringToFluxType_["KE+Lx"]  = rnemdKeLx;
107 >    stringToFluxType_["KE+Ly"]  = rnemdKeLy;
108 >    stringToFluxType_["KE+Lz"]  = rnemdKeLz;
109 >    stringToFluxType_["KE+Lvector"]  = rnemdKeLvector;
110 >
111 >    runTime_ = simParams->getRunTime();
112 >    statusTime_ = simParams->getStatusTime();
113 >
114 >    const string methStr = rnemdParams->getMethod();
115 >    bool hasFluxType = rnemdParams->haveFluxType();
116 >
117 >    rnemdObjectSelection_ = rnemdParams->getObjectSelection();
118 >
119 >    string fluxStr;
120 >    if (hasFluxType) {
121 >      fluxStr = rnemdParams->getFluxType();
122 >    } else {
123 >      sprintf(painCave.errMsg,
124 >              "RNEMD: No fluxType was set in the md file.  This parameter,\n"
125 >              "\twhich must be one of the following values:\n"
126 >              "\tKE, Px, Py, Pz, Pvector, Lx, Ly, Lz, Lvector,\n"
127 >              "\tKE+Px, KE+Py, KE+Pvector, KE+Lx, KE+Ly, KE+Lz, KE+Lvector\n"
128 >              "\tmust be set to use RNEMD\n");
129 >      painCave.isFatal = 1;
130 >      painCave.severity = OPENMD_ERROR;
131 >      simError();
132 >    }
133 >
134 >    bool hasKineticFlux = rnemdParams->haveKineticFlux();
135 >    bool hasMomentumFlux = rnemdParams->haveMomentumFlux();
136 >    bool hasMomentumFluxVector = rnemdParams->haveMomentumFluxVector();
137 >    bool hasAngularMomentumFlux = rnemdParams->haveAngularMomentumFlux();
138 >    bool hasAngularMomentumFluxVector = rnemdParams->haveAngularMomentumFluxVector();
139 >    hasSelectionA_ = rnemdParams->haveSelectionA();
140 >    hasSelectionB_ = rnemdParams->haveSelectionB();
141 >    bool hasSlabWidth = rnemdParams->haveSlabWidth();
142 >    bool hasSlabACenter = rnemdParams->haveSlabACenter();
143 >    bool hasSlabBCenter = rnemdParams->haveSlabBCenter();
144 >    bool hasSphereARadius = rnemdParams->haveSphereARadius();
145 >    hasSphereBRadius_ = rnemdParams->haveSphereBRadius();
146 >    bool hasCoordinateOrigin = rnemdParams->haveCoordinateOrigin();
147 >    bool hasOutputFileName = rnemdParams->haveOutputFileName();
148 >    bool hasOutputFields = rnemdParams->haveOutputFields();
149 >    
150 >    map<string, RNEMDMethod>::iterator i;
151 >    i = stringToMethod_.find(methStr);
152 >    if (i != stringToMethod_.end())
153 >      rnemdMethod_ = i->second;
154 >    else {
155 >      sprintf(painCave.errMsg,
156 >              "RNEMD: The current method,\n"
157 >              "\t\t%s is not one of the recognized\n"
158 >              "\texchange methods: Swap, NIVS, or VSS\n",
159 >              methStr.c_str());
160 >      painCave.isFatal = 1;
161 >      painCave.severity = OPENMD_ERROR;
162 >      simError();
163 >    }
164 >
165 >    map<string, RNEMDFluxType>::iterator j;
166 >    j = stringToFluxType_.find(fluxStr);
167 >    if (j != stringToFluxType_.end())
168 >      rnemdFluxType_ = j->second;
169 >    else {
170 >      sprintf(painCave.errMsg,
171 >              "RNEMD: The current fluxType,\n"
172 >              "\t\t%s\n"
173 >              "\tis not one of the recognized flux types.\n",
174 >              fluxStr.c_str());
175 >      painCave.isFatal = 1;
176 >      painCave.severity = OPENMD_ERROR;
177 >      simError();
178 >    }
179 >
180 >    bool methodFluxMismatch = false;
181 >    bool hasCorrectFlux = false;
182 >    switch(rnemdMethod_) {
183 >    case rnemdSwap:
184 >      switch (rnemdFluxType_) {
185 >      case rnemdKE:
186 >        hasCorrectFlux = hasKineticFlux;
187 >        break;
188 >      case rnemdPx:
189 >      case rnemdPy:
190 >      case rnemdPz:
191 >        hasCorrectFlux = hasMomentumFlux;
192 >        break;
193 >      default :
194 >        methodFluxMismatch = true;
195 >        break;
196 >      }
197 >      break;
198 >    case rnemdNIVS:
199 >      switch (rnemdFluxType_) {
200 >      case rnemdKE:
201 >      case rnemdRotKE:
202 >      case rnemdFullKE:
203 >        hasCorrectFlux = hasKineticFlux;
204 >        break;
205 >      case rnemdPx:
206 >      case rnemdPy:
207 >      case rnemdPz:
208 >        hasCorrectFlux = hasMomentumFlux;
209 >        break;
210 >      case rnemdKePx:
211 >      case rnemdKePy:
212 >        hasCorrectFlux = hasMomentumFlux && hasKineticFlux;
213 >        break;
214 >      default:
215 >        methodFluxMismatch = true;
216 >        break;
217 >      }
218 >      break;
219 >    case rnemdVSS:
220 >      switch (rnemdFluxType_) {
221 >      case rnemdKE:
222 >      case rnemdRotKE:
223 >      case rnemdFullKE:
224 >        hasCorrectFlux = hasKineticFlux;
225 >        break;
226 >      case rnemdPx:
227 >      case rnemdPy:
228 >      case rnemdPz:
229 >        hasCorrectFlux = hasMomentumFlux;
230 >        break;
231 >      case rnemdLx:
232 >      case rnemdLy:
233 >      case rnemdLz:
234 >        hasCorrectFlux = hasAngularMomentumFlux;
235 >        break;
236 >      case rnemdPvector:
237 >        hasCorrectFlux = hasMomentumFluxVector;
238 >        break;
239 >      case rnemdLvector:
240 >        hasCorrectFlux = hasAngularMomentumFluxVector;
241 >        break;
242 >      case rnemdKePx:
243 >      case rnemdKePy:
244 >        hasCorrectFlux = hasMomentumFlux && hasKineticFlux;
245 >        break;
246 >      case rnemdKeLx:
247 >      case rnemdKeLy:
248 >      case rnemdKeLz:
249 >        hasCorrectFlux = hasAngularMomentumFlux && hasKineticFlux;
250 >        break;
251 >      case rnemdKePvector:
252 >        hasCorrectFlux = hasMomentumFluxVector && hasKineticFlux;
253 >        break;
254 >      case rnemdKeLvector:
255 >        hasCorrectFlux = hasAngularMomentumFluxVector && hasKineticFlux;
256 >        break;
257 >      default:
258 >        methodFluxMismatch = true;
259 >        break;
260 >      }
261 >    default:
262 >      break;
263 >    }
264 >
265 >    if (methodFluxMismatch) {
266 >      sprintf(painCave.errMsg,
267 >              "RNEMD: The current method,\n"
268 >              "\t\t%s\n"
269 >              "\tcannot be used with the current flux type, %s\n",
270 >              methStr.c_str(), fluxStr.c_str());
271 >      painCave.isFatal = 1;
272 >      painCave.severity = OPENMD_ERROR;
273 >      simError();        
274 >    }
275 >    if (!hasCorrectFlux) {
276 >      sprintf(painCave.errMsg,
277 >              "RNEMD: The current method, %s, and flux type, %s,\n"
278 >              "\tdid not have the correct flux value specified. Options\n"
279 >              "\tinclude: kineticFlux, momentumFlux, angularMomentumFlux,\n"
280 >              "\tmomentumFluxVector, and angularMomentumFluxVector.\n",
281 >              methStr.c_str(), fluxStr.c_str());
282 >      painCave.isFatal = 1;
283 >      painCave.severity = OPENMD_ERROR;
284 >      simError();        
285 >    }
286 >
287 >    if (hasKineticFlux) {
288 >      // convert the kcal / mol / Angstroms^2 / fs values in the md file
289 >      // into  amu / fs^3:
290 >      kineticFlux_ = rnemdParams->getKineticFlux()
291 >        * PhysicalConstants::energyConvert;
292 >    } else {
293 >      kineticFlux_ = 0.0;
294 >    }
295 >    if (hasMomentumFluxVector) {
296 >      std::vector<RealType> mf = rnemdParams->getMomentumFluxVector();
297 >      if (mf.size() != 3) {
298 >          sprintf(painCave.errMsg,
299 >                  "RNEMD: Incorrect number of parameters specified for momentumFluxVector.\n"
300 >                  "\tthere should be 3 parameters, but %lu were specified.\n",
301 >                  mf.size());
302 >          painCave.isFatal = 1;
303 >          simError();      
304 >      }
305 >      momentumFluxVector_.x() = mf[0];
306 >      momentumFluxVector_.y() = mf[1];
307 >      momentumFluxVector_.z() = mf[2];
308 >    } else {
309 >      momentumFluxVector_ = V3Zero;
310 >      if (hasMomentumFlux) {
311 >        RealType momentumFlux = rnemdParams->getMomentumFlux();
312 >        switch (rnemdFluxType_) {
313 >        case rnemdPx:
314 >          momentumFluxVector_.x() = momentumFlux;
315 >          break;
316 >        case rnemdPy:
317 >          momentumFluxVector_.y() = momentumFlux;
318 >          break;
319 >        case rnemdPz:
320 >          momentumFluxVector_.z() = momentumFlux;
321 >          break;
322 >        case rnemdKePx:
323 >          momentumFluxVector_.x() = momentumFlux;
324 >          break;
325 >        case rnemdKePy:
326 >          momentumFluxVector_.y() = momentumFlux;
327 >          break;
328 >        default:
329 >          break;
330 >        }
331 >      }
332 >    }
333 >    if (hasAngularMomentumFluxVector) {
334 >      std::vector<RealType> amf = rnemdParams->getAngularMomentumFluxVector();
335 >      if (amf.size() != 3) {
336 >        sprintf(painCave.errMsg,
337 >                "RNEMD: Incorrect number of parameters specified for angularMomentumFluxVector.\n"
338 >                "\tthere should be 3 parameters, but %lu were specified.\n",
339 >                amf.size());
340 >        painCave.isFatal = 1;
341 >        simError();      
342 >      }
343 >      angularMomentumFluxVector_.x() = amf[0];
344 >      angularMomentumFluxVector_.y() = amf[1];
345 >      angularMomentumFluxVector_.z() = amf[2];
346 >    } else {
347 >      angularMomentumFluxVector_ = V3Zero;
348 >      if (hasAngularMomentumFlux) {
349 >        RealType angularMomentumFlux = rnemdParams->getAngularMomentumFlux();
350 >        switch (rnemdFluxType_) {
351 >        case rnemdLx:
352 >          angularMomentumFluxVector_.x() = angularMomentumFlux;
353 >          break;
354 >        case rnemdLy:
355 >          angularMomentumFluxVector_.y() = angularMomentumFlux;
356 >          break;
357 >        case rnemdLz:
358 >          angularMomentumFluxVector_.z() = angularMomentumFlux;
359 >          break;
360 >        case rnemdKeLx:
361 >          angularMomentumFluxVector_.x() = angularMomentumFlux;
362 >          break;
363 >        case rnemdKeLy:
364 >          angularMomentumFluxVector_.y() = angularMomentumFlux;
365 >          break;
366 >        case rnemdKeLz:
367 >          angularMomentumFluxVector_.z() = angularMomentumFlux;
368 >          break;
369 >        default:
370 >          break;
371 >        }
372 >      }        
373 >    }
374 >
375 >    if (hasCoordinateOrigin) {
376 >      std::vector<RealType> co = rnemdParams->getCoordinateOrigin();
377 >      if (co.size() != 3) {
378 >        sprintf(painCave.errMsg,
379 >                "RNEMD: Incorrect number of parameters specified for coordinateOrigin.\n"
380 >                "\tthere should be 3 parameters, but %lu were specified.\n",
381 >                co.size());
382 >        painCave.isFatal = 1;
383 >        simError();      
384 >      }
385 >      coordinateOrigin_.x() = co[0];
386 >      coordinateOrigin_.y() = co[1];
387 >      coordinateOrigin_.z() = co[2];
388 >    } else {
389 >      coordinateOrigin_ = V3Zero;
390 >    }
391 >    
392 >    // do some sanity checking
393 >    
394 >    int selectionCount = seleMan_.getSelectionCount();    
395 >    int nIntegrable = info->getNGlobalIntegrableObjects();
396 >    if (selectionCount > nIntegrable) {
397 >      sprintf(painCave.errMsg,
398 >              "RNEMD: The current objectSelection,\n"
399 >              "\t\t%s\n"
400 >              "\thas resulted in %d selected objects.  However,\n"
401 >              "\tthe total number of integrable objects in the system\n"
402 >              "\tis only %d.  This is almost certainly not what you want\n"
403 >              "\tto do.  A likely cause of this is forgetting the _RB_0\n"
404 >              "\tselector in the selection script!\n",
405 >              rnemdObjectSelection_.c_str(),
406 >              selectionCount, nIntegrable);
407 >      painCave.isFatal = 0;
408 >      painCave.severity = OPENMD_WARNING;
409 >      simError();
410 >    }
411 >    
412 >    areaAccumulator_ = new Accumulator();
413 >    
414 >    nBins_ = rnemdParams->getOutputBins();
415 >    binWidth_ = rnemdParams->getOutputBinWidth();
416 >    
417 >    data_.resize(RNEMD::ENDINDEX);
418 >    OutputData z;
419 >    z.units =  "Angstroms";
420 >    z.title =  "Z";
421 >    z.dataType = "RealType";
422 >    z.accumulator.reserve(nBins_);
423 >    for (int i = 0; i < nBins_; i++)
424 >      z.accumulator.push_back( new Accumulator() );
425 >    data_[Z] = z;
426 >    outputMap_["Z"] =  Z;
427 >    
428 >    OutputData r;
429 >    r.units =  "Angstroms";
430 >    r.title =  "R";
431 >    r.dataType = "RealType";
432 >    r.accumulator.reserve(nBins_);
433 >    for (int i = 0; i < nBins_; i++)
434 >      r.accumulator.push_back( new Accumulator() );
435 >    data_[R] = r;
436 >    outputMap_["R"] =  R;
437 >    
438 >    OutputData temperature;
439 >    temperature.units =  "K";
440 >    temperature.title =  "Temperature";
441 >    temperature.dataType = "RealType";
442 >    temperature.accumulator.reserve(nBins_);
443 >    for (int i = 0; i < nBins_; i++)
444 >      temperature.accumulator.push_back( new Accumulator() );
445 >    data_[TEMPERATURE] = temperature;
446 >    outputMap_["TEMPERATURE"] =  TEMPERATURE;
447 >    
448 >    OutputData velocity;
449 >    velocity.units = "angstroms/fs";
450 >    velocity.title =  "Velocity";  
451 >    velocity.dataType = "Vector3d";
452 >    velocity.accumulator.reserve(nBins_);
453 >    for (int i = 0; i < nBins_; i++)
454 >      velocity.accumulator.push_back( new VectorAccumulator() );
455 >    data_[VELOCITY] = velocity;
456 >    outputMap_["VELOCITY"] = VELOCITY;
457 >    
458 >    OutputData angularVelocity;
459 >    angularVelocity.units = "angstroms^2/fs";
460 >    angularVelocity.title =  "AngularVelocity";  
461 >    angularVelocity.dataType = "Vector3d";
462 >    angularVelocity.accumulator.reserve(nBins_);
463 >    for (int i = 0; i < nBins_; i++)
464 >      angularVelocity.accumulator.push_back( new VectorAccumulator() );
465 >    data_[ANGULARVELOCITY] = angularVelocity;
466 >    outputMap_["ANGULARVELOCITY"] = ANGULARVELOCITY;
467 >    
468 >    OutputData density;
469 >    density.units =  "g cm^-3";
470 >    density.title =  "Density";
471 >    density.dataType = "RealType";
472 >    density.accumulator.reserve(nBins_);
473 >    for (int i = 0; i < nBins_; i++)
474 >      density.accumulator.push_back( new Accumulator() );
475 >    data_[DENSITY] = density;
476 >    outputMap_["DENSITY"] =  DENSITY;
477 >    
478 >    if (hasOutputFields) {
479 >      parseOutputFileFormat(rnemdParams->getOutputFields());
480 >    } else {
481 >      if (usePeriodicBoundaryConditions_)
482 >        outputMask_.set(Z);
483 >      else
484 >        outputMask_.set(R);
485 >      switch (rnemdFluxType_) {
486 >      case rnemdKE:
487 >      case rnemdRotKE:
488 >      case rnemdFullKE:
489 >        outputMask_.set(TEMPERATURE);
490 >        break;
491 >      case rnemdPx:
492 >      case rnemdPy:
493 >        outputMask_.set(VELOCITY);
494 >        break;
495 >      case rnemdPz:        
496 >      case rnemdPvector:
497 >        outputMask_.set(VELOCITY);
498 >        outputMask_.set(DENSITY);
499 >        break;
500 >      case rnemdLx:
501 >      case rnemdLy:
502 >      case rnemdLz:
503 >      case rnemdLvector:
504 >        outputMask_.set(ANGULARVELOCITY);
505 >        break;
506 >      case rnemdKeLx:
507 >      case rnemdKeLy:
508 >      case rnemdKeLz:
509 >      case rnemdKeLvector:
510 >        outputMask_.set(TEMPERATURE);
511 >        outputMask_.set(ANGULARVELOCITY);
512 >        break;
513 >      case rnemdKePx:
514 >      case rnemdKePy:
515 >        outputMask_.set(TEMPERATURE);
516 >        outputMask_.set(VELOCITY);
517 >        break;
518 >      case rnemdKePvector:
519 >        outputMask_.set(TEMPERATURE);
520 >        outputMask_.set(VELOCITY);
521 >        outputMask_.set(DENSITY);        
522 >        break;
523 >      default:
524 >        break;
525 >      }
526 >    }
527 >    
528 >    if (hasOutputFileName) {
529 >      rnemdFileName_ = rnemdParams->getOutputFileName();
530 >    } else {
531 >      rnemdFileName_ = getPrefix(info->getFinalConfigFileName()) + ".rnemd";
532 >    }          
533 >    
534 >    exchangeTime_ = rnemdParams->getExchangeTime();
535 >    
536 >    Snapshot* currentSnap_ = info->getSnapshotManager()->getCurrentSnapshot();
537 >    // total exchange sums are zeroed out at the beginning:
538 >    
539 >    kineticExchange_ = 0.0;
540 >    momentumExchange_ = V3Zero;
541 >    angularMomentumExchange_ = V3Zero;
542 >    
543 >    std::ostringstream selectionAstream;
544 >    std::ostringstream selectionBstream;
545 >    
546 >    if (hasSelectionA_) {
547 >      selectionA_ = rnemdParams->getSelectionA();
548 >    } else {
549 >      if (usePeriodicBoundaryConditions_) {    
550 >        Mat3x3d hmat = currentSnap_->getHmat();
551 >        
552 >        if (hasSlabWidth)
553 >          slabWidth_ = rnemdParams->getSlabWidth();
554 >        else
555 >          slabWidth_ = hmat(2,2) / 10.0;
556 >        
557 >        if (hasSlabACenter)
558 >          slabACenter_ = rnemdParams->getSlabACenter();
559 >        else
560 >          slabACenter_ = 0.0;
561 >        
562 >        selectionAstream << "select wrappedz > "
563 >                         << slabACenter_ - 0.5*slabWidth_
564 >                         <<  " && wrappedz < "
565 >                         << slabACenter_ + 0.5*slabWidth_;
566 >        selectionA_ = selectionAstream.str();
567 >      } else {
568 >        if (hasSphereARadius)
569 >          sphereARadius_ = rnemdParams->getSphereARadius();
570 >        else {
571 >          // use an initial guess to the size of the inner slab to be 1/10 the
572 >          // radius of an approximately spherical hull:
573 >          Thermo thermo(info);
574 >          RealType hVol = thermo.getHullVolume();
575 >          sphereARadius_ = 0.1 * pow((3.0 * hVol / (4.0 * M_PI)), 1.0/3.0);
576 >        }
577 >        selectionAstream << "select r < " << sphereARadius_;
578 >        selectionA_ = selectionAstream.str();
579 >      }
580 >    }
581 >    
582 >    if (hasSelectionB_) {
583 >      selectionB_ = rnemdParams->getSelectionB();
584 >      
585 >    } else {
586 >      if (usePeriodicBoundaryConditions_) {    
587 >        Mat3x3d hmat = currentSnap_->getHmat();
588 >        
589 >        if (hasSlabWidth)
590 >          slabWidth_ = rnemdParams->getSlabWidth();
591 >        else
592 >          slabWidth_ = hmat(2,2) / 10.0;
593 >        
594 >        if (hasSlabBCenter)
595 >          slabBCenter_ = rnemdParams->getSlabBCenter();
596 >        else
597 >          slabBCenter_ = hmat(2,2) / 2.0;
598 >        
599 >        selectionBstream << "select wrappedz > "
600 >                         << slabBCenter_ - 0.5*slabWidth_
601 >                         <<  " && wrappedz < "
602 >                         << slabBCenter_ + 0.5*slabWidth_;
603 >        selectionB_ = selectionBstream.str();
604 >      } else {
605 >        if (hasSphereBRadius_) {
606 >          sphereBRadius_ = rnemdParams->getSphereBRadius();
607 >          selectionBstream << "select r > " << sphereBRadius_;
608 >          selectionB_ = selectionBstream.str();
609 >        } else {
610 >          selectionB_ = "select hull";
611 >          BisHull_ = true;
612 >          hasSelectionB_ = true;
613 >        }
614 >      }
615 >    }
616 >  
617 >  
618 >    // object evaluator:
619 >    evaluator_.loadScriptString(rnemdObjectSelection_);
620 >    seleMan_.setSelectionSet(evaluator_.evaluate());
621 >    evaluatorA_.loadScriptString(selectionA_);
622 >    evaluatorB_.loadScriptString(selectionB_);
623 >    seleManA_.setSelectionSet(evaluatorA_.evaluate());
624 >    seleManB_.setSelectionSet(evaluatorB_.evaluate());
625 >    commonA_ = seleManA_ & seleMan_;
626 >    commonB_ = seleManB_ & seleMan_;  
627 >  }
628 >  
629 >    
630 >  RNEMD::~RNEMD() {
631 >    if (!doRNEMD_) return;
632 > #ifdef IS_MPI
633 >    if (worldRank == 0) {
634 > #endif
635 >
636 >      writeOutputFile();
637 >
638 >      rnemdFile_.close();
639 >      
640 > #ifdef IS_MPI
641 >    }
642 > #endif
643 >
644 >    // delete all of the objects we created:
645 >    delete areaAccumulator_;    
646 >    data_.clear();
647 >  }
648 >  
649 >  void RNEMD::doSwap(SelectionManager& smanA, SelectionManager& smanB) {
650 >    if (!doRNEMD_) return;
651 >    int selei;
652 >    int selej;
653 >
654 >    Snapshot* currentSnap_ = info_->getSnapshotManager()->getCurrentSnapshot();
655 >    Mat3x3d hmat = currentSnap_->getHmat();
656 >
657 >    StuntDouble* sd;
658 >
659 >    RealType min_val(0.0);
660 >    int min_found = 0;  
661 >    StuntDouble* min_sd = NULL;
662 >
663 >    RealType max_val(0.0);
664 >    int max_found = 0;
665 >    StuntDouble* max_sd = NULL;
666 >
667 >    for (sd = seleManA_.beginSelected(selei); sd != NULL;
668 >         sd = seleManA_.nextSelected(selei)) {
669 >
670 >      Vector3d pos = sd->getPos();
671 >      
672 >      // wrap the stuntdouble's position back into the box:
673 >      
674 >      if (usePeriodicBoundaryConditions_)
675 >        currentSnap_->wrapVector(pos);
676 >      
677 >      RealType mass = sd->getMass();
678 >      Vector3d vel = sd->getVel();
679 >      RealType value(0.0);
680 >      
681 >      switch(rnemdFluxType_) {
682 >      case rnemdKE :
683 >        
684 >        value = mass * vel.lengthSquare();
685 >        
686 >        if (sd->isDirectional()) {
687 >          Vector3d angMom = sd->getJ();
688 >          Mat3x3d I = sd->getI();
689 >          
690 >          if (sd->isLinear()) {
691 >            int i = sd->linearAxis();
692 >            int j = (i + 1) % 3;
693 >            int k = (i + 2) % 3;
694 >            value += angMom[j] * angMom[j] / I(j, j) +
695 >              angMom[k] * angMom[k] / I(k, k);
696 >          } else {                        
697 >            value += angMom[0]*angMom[0]/I(0, 0)
698 >              + angMom[1]*angMom[1]/I(1, 1)
699 >              + angMom[2]*angMom[2]/I(2, 2);
700 >          }
701 >        } //angular momenta exchange enabled
702 >        value *= 0.5;
703 >        break;
704 >      case rnemdPx :
705 >        value = mass * vel[0];
706 >        break;
707 >      case rnemdPy :
708 >        value = mass * vel[1];
709 >        break;
710 >      case rnemdPz :
711 >        value = mass * vel[2];
712 >        break;
713 >      default :
714 >        break;
715 >      }
716 >      if (!max_found) {
717 >        max_val = value;
718 >        max_sd = sd;
719 >        max_found = 1;
720 >      } else {
721 >        if (max_val < value) {
722 >          max_val = value;
723 >          max_sd = sd;
724 >        }
725 >      }  
726 >    }
727 >        
728 >    for (sd = seleManB_.beginSelected(selej); sd != NULL;
729 >         sd = seleManB_.nextSelected(selej)) {
730 >
731 >      Vector3d pos = sd->getPos();
732 >      
733 >      // wrap the stuntdouble's position back into the box:
734 >      
735 >      if (usePeriodicBoundaryConditions_)
736 >        currentSnap_->wrapVector(pos);
737 >      
738 >      RealType mass = sd->getMass();
739 >      Vector3d vel = sd->getVel();
740 >      RealType value(0.0);
741 >      
742 >      switch(rnemdFluxType_) {
743 >      case rnemdKE :
744 >        
745 >        value = mass * vel.lengthSquare();
746 >        
747 >        if (sd->isDirectional()) {
748 >          Vector3d angMom = sd->getJ();
749 >          Mat3x3d I = sd->getI();
750 >          
751 >          if (sd->isLinear()) {
752 >            int i = sd->linearAxis();
753 >            int j = (i + 1) % 3;
754 >            int k = (i + 2) % 3;
755 >            value += angMom[j] * angMom[j] / I(j, j) +
756 >              angMom[k] * angMom[k] / I(k, k);
757 >          } else {                        
758 >            value += angMom[0]*angMom[0]/I(0, 0)
759 >              + angMom[1]*angMom[1]/I(1, 1)
760 >              + angMom[2]*angMom[2]/I(2, 2);
761 >          }
762 >        } //angular momenta exchange enabled
763 >        value *= 0.5;
764 >        break;
765 >      case rnemdPx :
766 >        value = mass * vel[0];
767 >        break;
768 >      case rnemdPy :
769 >        value = mass * vel[1];
770 >        break;
771 >      case rnemdPz :
772 >        value = mass * vel[2];
773 >        break;
774 >      default :
775 >        break;
776 >      }
777 >      
778 >      if (!min_found) {
779 >        min_val = value;
780 >        min_sd = sd;
781 >        min_found = 1;
782 >      } else {
783 >        if (min_val > value) {
784 >          min_val = value;
785 >          min_sd = sd;
786 >        }
787 >      }
788 >    }
789 >    
790 > #ifdef IS_MPI    
791 >    int worldRank;
792 >    MPI_Comm_rank( MPI_COMM_WORLD, &worldRank);
793 >        
794 >    int my_min_found = min_found;
795 >    int my_max_found = max_found;
796 >
797 >    // Even if we didn't find a minimum, did someone else?
798 >    MPI_Allreduce(&my_min_found, &min_found, 1, MPI_INT, MPI_LOR,
799 >                  MPI_COMM_WORLD);
800 >    // Even if we didn't find a maximum, did someone else?
801 >    MPI_Allreduce(&my_max_found, &max_found, 1, MPI_INT, MPI_LOR,
802 >                  MPI_COMM_WORLD);
803 > #endif
804 >
805 >    if (max_found && min_found) {
806 >
807 > #ifdef IS_MPI
808 >      struct {
809 >        RealType val;
810 >        int rank;
811 >      } max_vals, min_vals;
812 >      
813 >      if (my_min_found) {
814 >        min_vals.val = min_val;
815 >      } else {
816 >        min_vals.val = HONKING_LARGE_VALUE;
817 >      }
818 >      min_vals.rank = worldRank;    
819 >      
820 >      // Who had the minimum?
821 >      MPI_Allreduce(&min_vals, &min_vals,
822 >                    1, MPI_REALTYPE_INT, MPI_MINLOC, MPI_COMM_WORLD);
823 >      min_val = min_vals.val;
824 >      
825 >      if (my_max_found) {
826 >        max_vals.val = max_val;
827 >      } else {
828 >        max_vals.val = -HONKING_LARGE_VALUE;
829 >      }
830 >      max_vals.rank = worldRank;    
831 >      
832 >      // Who had the maximum?
833 >      MPI_Allreduce(&max_vals, &max_vals,
834 >                    1, MPI_REALTYPE_INT, MPI_MAXLOC, MPI_COMM_WORLD);
835 >      max_val = max_vals.val;
836 > #endif
837 >      
838 >      if (min_val < max_val) {
839 >        
840 > #ifdef IS_MPI      
841 >        if (max_vals.rank == worldRank && min_vals.rank == worldRank) {
842 >          // I have both maximum and minimum, so proceed like a single
843 >          // processor version:
844 > #endif
845 >
846 >          Vector3d min_vel = min_sd->getVel();
847 >          Vector3d max_vel = max_sd->getVel();
848 >          RealType temp_vel;
849 >          
850 >          switch(rnemdFluxType_) {
851 >          case rnemdKE :
852 >            min_sd->setVel(max_vel);
853 >            max_sd->setVel(min_vel);
854 >            if (min_sd->isDirectional() && max_sd->isDirectional()) {
855 >              Vector3d min_angMom = min_sd->getJ();
856 >              Vector3d max_angMom = max_sd->getJ();
857 >              min_sd->setJ(max_angMom);
858 >              max_sd->setJ(min_angMom);
859 >            }//angular momenta exchange enabled
860 >            //assumes same rigid body identity
861 >            break;
862 >          case rnemdPx :
863 >            temp_vel = min_vel.x();
864 >            min_vel.x() = max_vel.x();
865 >            max_vel.x() = temp_vel;
866 >            min_sd->setVel(min_vel);
867 >            max_sd->setVel(max_vel);
868 >            break;
869 >          case rnemdPy :
870 >            temp_vel = min_vel.y();
871 >            min_vel.y() = max_vel.y();
872 >            max_vel.y() = temp_vel;
873 >            min_sd->setVel(min_vel);
874 >            max_sd->setVel(max_vel);
875 >            break;
876 >          case rnemdPz :
877 >            temp_vel = min_vel.z();
878 >            min_vel.z() = max_vel.z();
879 >            max_vel.z() = temp_vel;
880 >            min_sd->setVel(min_vel);
881 >            max_sd->setVel(max_vel);
882 >            break;
883 >          default :
884 >            break;
885 >          }
886 >
887 > #ifdef IS_MPI
888 >          // the rest of the cases only apply in parallel simulations:
889 >        } else if (max_vals.rank == worldRank) {
890 >          // I had the max, but not the minimum
891 >          
892 >          Vector3d min_vel;
893 >          Vector3d max_vel = max_sd->getVel();
894 >          MPI_Status status;
895 >
896 >          // point-to-point swap of the velocity vector
897 >          MPI_Sendrecv(max_vel.getArrayPointer(), 3, MPI_REALTYPE,
898 >                       min_vals.rank, 0,
899 >                       min_vel.getArrayPointer(), 3, MPI_REALTYPE,
900 >                       min_vals.rank, 0, MPI_COMM_WORLD, &status);
901 >          
902 >          switch(rnemdFluxType_) {
903 >          case rnemdKE :
904 >            max_sd->setVel(min_vel);
905 >            //angular momenta exchange enabled
906 >            if (max_sd->isDirectional()) {
907 >              Vector3d min_angMom;
908 >              Vector3d max_angMom = max_sd->getJ();
909 >              
910 >              // point-to-point swap of the angular momentum vector
911 >              MPI_Sendrecv(max_angMom.getArrayPointer(), 3,
912 >                           MPI_REALTYPE, min_vals.rank, 1,
913 >                           min_angMom.getArrayPointer(), 3,
914 >                           MPI_REALTYPE, min_vals.rank, 1,
915 >                           MPI_COMM_WORLD, &status);
916 >              
917 >              max_sd->setJ(min_angMom);
918 >            }
919 >            break;
920 >          case rnemdPx :
921 >            max_vel.x() = min_vel.x();
922 >            max_sd->setVel(max_vel);
923 >            break;
924 >          case rnemdPy :
925 >            max_vel.y() = min_vel.y();
926 >            max_sd->setVel(max_vel);
927 >            break;
928 >          case rnemdPz :
929 >            max_vel.z() = min_vel.z();
930 >            max_sd->setVel(max_vel);
931 >            break;
932 >          default :
933 >            break;
934 >          }
935 >        } else if (min_vals.rank == worldRank) {
936 >          // I had the minimum but not the maximum:
937 >          
938 >          Vector3d max_vel;
939 >          Vector3d min_vel = min_sd->getVel();
940 >          MPI_Status status;
941 >          
942 >          // point-to-point swap of the velocity vector
943 >          MPI_Sendrecv(min_vel.getArrayPointer(), 3, MPI_REALTYPE,
944 >                       max_vals.rank, 0,
945 >                       max_vel.getArrayPointer(), 3, MPI_REALTYPE,
946 >                       max_vals.rank, 0, MPI_COMM_WORLD, &status);
947 >          
948 >          switch(rnemdFluxType_) {
949 >          case rnemdKE :
950 >            min_sd->setVel(max_vel);
951 >            //angular momenta exchange enabled
952 >            if (min_sd->isDirectional()) {
953 >              Vector3d min_angMom = min_sd->getJ();
954 >              Vector3d max_angMom;
955 >              
956 >              // point-to-point swap of the angular momentum vector
957 >              MPI_Sendrecv(min_angMom.getArrayPointer(), 3,
958 >                           MPI_REALTYPE, max_vals.rank, 1,
959 >                           max_angMom.getArrayPointer(), 3,
960 >                           MPI_REALTYPE, max_vals.rank, 1,
961 >                           MPI_COMM_WORLD, &status);
962 >              
963 >              min_sd->setJ(max_angMom);
964 >            }
965 >            break;
966 >          case rnemdPx :
967 >            min_vel.x() = max_vel.x();
968 >            min_sd->setVel(min_vel);
969 >            break;
970 >          case rnemdPy :
971 >            min_vel.y() = max_vel.y();
972 >            min_sd->setVel(min_vel);
973 >            break;
974 >          case rnemdPz :
975 >            min_vel.z() = max_vel.z();
976 >            min_sd->setVel(min_vel);
977 >            break;
978 >          default :
979 >            break;
980 >          }
981 >        }
982 > #endif
983 >        
984 >        switch(rnemdFluxType_) {
985 >        case rnemdKE:
986 >          kineticExchange_ += max_val - min_val;
987 >          break;
988 >        case rnemdPx:
989 >          momentumExchange_.x() += max_val - min_val;
990 >          break;
991 >        case rnemdPy:
992 >          momentumExchange_.y() += max_val - min_val;
993 >          break;
994 >        case rnemdPz:
995 >          momentumExchange_.z() += max_val - min_val;
996 >          break;
997 >        default:
998 >          break;
999 >        }
1000 >      } else {        
1001 >        sprintf(painCave.errMsg,
1002 >                "RNEMD::doSwap exchange NOT performed because min_val > max_val\n");
1003 >        painCave.isFatal = 0;
1004 >        painCave.severity = OPENMD_INFO;
1005 >        simError();        
1006 >        failTrialCount_++;
1007 >      }
1008 >    } else {
1009 >      sprintf(painCave.errMsg,
1010 >              "RNEMD::doSwap exchange NOT performed because selected object\n"
1011 >              "\twas not present in at least one of the two slabs.\n");
1012 >      painCave.isFatal = 0;
1013 >      painCave.severity = OPENMD_INFO;
1014 >      simError();        
1015 >      failTrialCount_++;
1016 >    }    
1017 >  }
1018 >  
1019 >  void RNEMD::doNIVS(SelectionManager& smanA, SelectionManager& smanB) {
1020 >    if (!doRNEMD_) return;
1021 >    int selei;
1022 >    int selej;
1023 >
1024 >    Snapshot* currentSnap_ = info_->getSnapshotManager()->getCurrentSnapshot();
1025 >    Mat3x3d hmat = currentSnap_->getHmat();
1026 >
1027 >    StuntDouble* sd;
1028 >
1029 >    vector<StuntDouble*> hotBin, coldBin;
1030 >
1031 >    RealType Phx = 0.0;
1032 >    RealType Phy = 0.0;
1033 >    RealType Phz = 0.0;
1034 >    RealType Khx = 0.0;
1035 >    RealType Khy = 0.0;
1036 >    RealType Khz = 0.0;
1037 >    RealType Khw = 0.0;
1038 >    RealType Pcx = 0.0;
1039 >    RealType Pcy = 0.0;
1040 >    RealType Pcz = 0.0;
1041 >    RealType Kcx = 0.0;
1042 >    RealType Kcy = 0.0;
1043 >    RealType Kcz = 0.0;
1044 >    RealType Kcw = 0.0;
1045 >
1046 >    for (sd = smanA.beginSelected(selei); sd != NULL;
1047 >         sd = smanA.nextSelected(selei)) {
1048 >
1049 >      Vector3d pos = sd->getPos();
1050 >      
1051 >      // wrap the stuntdouble's position back into the box:
1052 >      
1053 >      if (usePeriodicBoundaryConditions_)
1054 >        currentSnap_->wrapVector(pos);
1055 >      
1056 >      
1057 >      RealType mass = sd->getMass();
1058 >      Vector3d vel = sd->getVel();
1059 >      
1060 >      hotBin.push_back(sd);
1061 >      Phx += mass * vel.x();
1062 >      Phy += mass * vel.y();
1063 >      Phz += mass * vel.z();
1064 >      Khx += mass * vel.x() * vel.x();
1065 >      Khy += mass * vel.y() * vel.y();
1066 >      Khz += mass * vel.z() * vel.z();
1067 >      if (sd->isDirectional()) {
1068 >        Vector3d angMom = sd->getJ();
1069 >        Mat3x3d I = sd->getI();
1070 >        if (sd->isLinear()) {
1071 >          int i = sd->linearAxis();
1072 >          int j = (i + 1) % 3;
1073 >          int k = (i + 2) % 3;
1074 >          Khw += angMom[j] * angMom[j] / I(j, j) +
1075 >            angMom[k] * angMom[k] / I(k, k);
1076 >        } else {
1077 >          Khw += angMom[0]*angMom[0]/I(0, 0)
1078 >            + angMom[1]*angMom[1]/I(1, 1)
1079 >            + angMom[2]*angMom[2]/I(2, 2);
1080 >        }
1081 >      }
1082 >    }
1083 >    for (sd = smanB.beginSelected(selej); sd != NULL;
1084 >         sd = smanB.nextSelected(selej)) {
1085 >      Vector3d pos = sd->getPos();
1086 >      
1087 >      // wrap the stuntdouble's position back into the box:
1088 >      
1089 >      if (usePeriodicBoundaryConditions_)
1090 >        currentSnap_->wrapVector(pos);
1091 >            
1092 >      RealType mass = sd->getMass();
1093 >      Vector3d vel = sd->getVel();
1094 >
1095 >      coldBin.push_back(sd);
1096 >      Pcx += mass * vel.x();
1097 >      Pcy += mass * vel.y();
1098 >      Pcz += mass * vel.z();
1099 >      Kcx += mass * vel.x() * vel.x();
1100 >      Kcy += mass * vel.y() * vel.y();
1101 >      Kcz += mass * vel.z() * vel.z();
1102 >      if (sd->isDirectional()) {
1103 >        Vector3d angMom = sd->getJ();
1104 >        Mat3x3d I = sd->getI();
1105 >        if (sd->isLinear()) {
1106 >          int i = sd->linearAxis();
1107 >          int j = (i + 1) % 3;
1108 >          int k = (i + 2) % 3;
1109 >          Kcw += angMom[j] * angMom[j] / I(j, j) +
1110 >            angMom[k] * angMom[k] / I(k, k);
1111 >        } else {
1112 >          Kcw += angMom[0]*angMom[0]/I(0, 0)
1113 >            + angMom[1]*angMom[1]/I(1, 1)
1114 >            + angMom[2]*angMom[2]/I(2, 2);
1115 >        }
1116 >      }
1117 >    }
1118 >    
1119 >    Khx *= 0.5;
1120 >    Khy *= 0.5;
1121 >    Khz *= 0.5;
1122 >    Khw *= 0.5;
1123 >    Kcx *= 0.5;
1124 >    Kcy *= 0.5;
1125 >    Kcz *= 0.5;
1126 >    Kcw *= 0.5;
1127 >
1128 > #ifdef IS_MPI
1129 >    MPI_Allreduce(MPI_IN_PLACE, &Phx, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1130 >    MPI_Allreduce(MPI_IN_PLACE, &Phy, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1131 >    MPI_Allreduce(MPI_IN_PLACE, &Phz, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1132 >    MPI_Allreduce(MPI_IN_PLACE, &Pcx, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1133 >    MPI_Allreduce(MPI_IN_PLACE, &Pcy, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1134 >    MPI_Allreduce(MPI_IN_PLACE, &Pcz, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1135 >
1136 >    MPI_Allreduce(MPI_IN_PLACE, &Khx, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1137 >    MPI_Allreduce(MPI_IN_PLACE, &Khy, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1138 >    MPI_Allreduce(MPI_IN_PLACE, &Khz, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1139 >    MPI_Allreduce(MPI_IN_PLACE, &Khw, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1140 >
1141 >    MPI_Allreduce(MPI_IN_PLACE, &Kcx, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1142 >    MPI_Allreduce(MPI_IN_PLACE, &Kcy, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1143 >    MPI_Allreduce(MPI_IN_PLACE, &Kcz, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1144 >    MPI_Allreduce(MPI_IN_PLACE, &Kcw, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1145 > #endif
1146 >
1147 >    //solve coldBin coeff's first
1148 >    RealType px = Pcx / Phx;
1149 >    RealType py = Pcy / Phy;
1150 >    RealType pz = Pcz / Phz;
1151 >    RealType c(0.0), x(0.0), y(0.0), z(0.0);
1152 >    bool successfulScale = false;
1153 >    if ((rnemdFluxType_ == rnemdFullKE) ||
1154 >        (rnemdFluxType_ == rnemdRotKE)) {
1155 >      //may need sanity check Khw & Kcw > 0
1156 >
1157 >      if (rnemdFluxType_ == rnemdFullKE) {
1158 >        c = 1.0 - kineticTarget_ / (Kcx + Kcy + Kcz + Kcw);
1159 >      } else {
1160 >        c = 1.0 - kineticTarget_ / Kcw;
1161 >      }
1162 >
1163 >      if ((c > 0.81) && (c < 1.21)) {//restrict scaling coefficients
1164 >        c = sqrt(c);
1165 >
1166 >        RealType w = 0.0;
1167 >        if (rnemdFluxType_ ==  rnemdFullKE) {
1168 >          x = 1.0 + px * (1.0 - c);
1169 >          y = 1.0 + py * (1.0 - c);
1170 >          z = 1.0 + pz * (1.0 - c);
1171 >          /* more complicated way
1172 >             w = 1.0 + (Kcw - Kcw * c * c - (c * c * (Kcx + Kcy + Kcz
1173 >             + Khx * px * px + Khy * py * py + Khz * pz * pz)
1174 >             - 2.0 * c * (Khx * px * (1.0 + px) + Khy * py * (1.0 + py)
1175 >             + Khz * pz * (1.0 + pz)) + Khx * px * (2.0 + px)
1176 >             + Khy * py * (2.0 + py) + Khz * pz * (2.0 + pz)
1177 >             - Kcx - Kcy - Kcz)) / Khw; the following is simpler
1178 >          */
1179 >          if ((fabs(x - 1.0) < 0.1) && (fabs(y - 1.0) < 0.1) &&
1180 >              (fabs(z - 1.0) < 0.1)) {
1181 >            w = 1.0 + (kineticTarget_
1182 >                       + Khx * (1.0 - x * x) + Khy * (1.0 - y * y)
1183 >                       + Khz * (1.0 - z * z)) / Khw;
1184 >          }//no need to calculate w if x, y or z is out of range
1185 >        } else {
1186 >          w = 1.0 + kineticTarget_ / Khw;
1187 >        }
1188 >        if ((w > 0.81) && (w < 1.21)) {//restrict scaling coefficients
1189 >          //if w is in the right range, so should be x, y, z.
1190 >          vector<StuntDouble*>::iterator sdi;
1191 >          Vector3d vel;
1192 >          for (sdi = coldBin.begin(); sdi != coldBin.end(); ++sdi) {
1193 >            if (rnemdFluxType_ == rnemdFullKE) {
1194 >              vel = (*sdi)->getVel() * c;
1195 >              (*sdi)->setVel(vel);
1196 >            }
1197 >            if ((*sdi)->isDirectional()) {
1198 >              Vector3d angMom = (*sdi)->getJ() * c;
1199 >              (*sdi)->setJ(angMom);
1200 >            }
1201 >          }
1202 >          w = sqrt(w);
1203 >          for (sdi = hotBin.begin(); sdi != hotBin.end(); ++sdi) {
1204 >            if (rnemdFluxType_ == rnemdFullKE) {
1205 >              vel = (*sdi)->getVel();
1206 >              vel.x() *= x;
1207 >              vel.y() *= y;
1208 >              vel.z() *= z;
1209 >              (*sdi)->setVel(vel);
1210 >            }
1211 >            if ((*sdi)->isDirectional()) {
1212 >              Vector3d angMom = (*sdi)->getJ() * w;
1213 >              (*sdi)->setJ(angMom);
1214 >            }
1215 >          }
1216 >          successfulScale = true;
1217 >          kineticExchange_ += kineticTarget_;
1218 >        }
1219 >      }
1220 >    } else {
1221 >      RealType a000(0.0), a110(0.0), c0(0.0);
1222 >      RealType a001(0.0), a111(0.0), b01(0.0), b11(0.0), c1(0.0);
1223 >      switch(rnemdFluxType_) {
1224 >      case rnemdKE :
1225 >        /* used hotBin coeff's & only scale x & y dimensions
1226 >           RealType px = Phx / Pcx;
1227 >           RealType py = Phy / Pcy;
1228 >           a110 = Khy;
1229 >           c0 = - Khx - Khy - kineticTarget_;
1230 >           a000 = Khx;
1231 >           a111 = Kcy * py * py;
1232 >           b11 = -2.0 * Kcy * py * (1.0 + py);
1233 >           c1 = Kcy * py * (2.0 + py) + Kcx * px * ( 2.0 + px) + kineticTarget_;
1234 >           b01 = -2.0 * Kcx * px * (1.0 + px);
1235 >           a001 = Kcx * px * px;
1236 >        */
1237 >        //scale all three dimensions, let c_x = c_y
1238 >        a000 = Kcx + Kcy;
1239 >        a110 = Kcz;
1240 >        c0 = kineticTarget_ - Kcx - Kcy - Kcz;
1241 >        a001 = Khx * px * px + Khy * py * py;
1242 >        a111 = Khz * pz * pz;
1243 >        b01 = -2.0 * (Khx * px * (1.0 + px) + Khy * py * (1.0 + py));
1244 >        b11 = -2.0 * Khz * pz * (1.0 + pz);
1245 >        c1 = Khx * px * (2.0 + px) + Khy * py * (2.0 + py)
1246 >          + Khz * pz * (2.0 + pz) - kineticTarget_;
1247 >        break;
1248 >      case rnemdPx :
1249 >        c = 1 - momentumTarget_.x() / Pcx;
1250 >        a000 = Kcy;
1251 >        a110 = Kcz;
1252 >        c0 = Kcx * c * c - Kcx - Kcy - Kcz;
1253 >        a001 = py * py * Khy;
1254 >        a111 = pz * pz * Khz;
1255 >        b01 = -2.0 * Khy * py * (1.0 + py);
1256 >        b11 = -2.0 * Khz * pz * (1.0 + pz);
1257 >        c1 = Khy * py * (2.0 + py) + Khz * pz * (2.0 + pz)
1258 >          + Khx * (fastpow(c * px - px - 1.0, 2) - 1.0);
1259 >        break;
1260 >      case rnemdPy :
1261 >        c = 1 - momentumTarget_.y() / Pcy;
1262 >        a000 = Kcx;
1263 >        a110 = Kcz;
1264 >        c0 = Kcy * c * c - Kcx - Kcy - Kcz;
1265 >        a001 = px * px * Khx;
1266 >        a111 = pz * pz * Khz;
1267 >        b01 = -2.0 * Khx * px * (1.0 + px);
1268 >        b11 = -2.0 * Khz * pz * (1.0 + pz);
1269 >        c1 = Khx * px * (2.0 + px) + Khz * pz * (2.0 + pz)
1270 >          + Khy * (fastpow(c * py - py - 1.0, 2) - 1.0);
1271 >        break;
1272 >      case rnemdPz ://we don't really do this, do we?
1273 >        c = 1 - momentumTarget_.z() / Pcz;
1274 >        a000 = Kcx;
1275 >        a110 = Kcy;
1276 >        c0 = Kcz * c * c - Kcx - Kcy - Kcz;
1277 >        a001 = px * px * Khx;
1278 >        a111 = py * py * Khy;
1279 >        b01 = -2.0 * Khx * px * (1.0 + px);
1280 >        b11 = -2.0 * Khy * py * (1.0 + py);
1281 >        c1 = Khx * px * (2.0 + px) + Khy * py * (2.0 + py)
1282 >          + Khz * (fastpow(c * pz - pz - 1.0, 2) - 1.0);
1283 >        break;
1284 >      default :
1285 >        break;
1286 >      }
1287 >      
1288 >      RealType v1 = a000 * a111 - a001 * a110;
1289 >      RealType v2 = a000 * b01;
1290 >      RealType v3 = a000 * b11;
1291 >      RealType v4 = a000 * c1 - a001 * c0;
1292 >      RealType v8 = a110 * b01;
1293 >      RealType v10 = - b01 * c0;
1294 >      
1295 >      RealType u0 = v2 * v10 - v4 * v4;
1296 >      RealType u1 = -2.0 * v3 * v4;
1297 >      RealType u2 = -v2 * v8 - v3 * v3 - 2.0 * v1 * v4;
1298 >      RealType u3 = -2.0 * v1 * v3;
1299 >      RealType u4 = - v1 * v1;
1300 >      //rescale coefficients
1301 >      RealType maxAbs = fabs(u0);
1302 >      if (maxAbs < fabs(u1)) maxAbs = fabs(u1);
1303 >      if (maxAbs < fabs(u2)) maxAbs = fabs(u2);
1304 >      if (maxAbs < fabs(u3)) maxAbs = fabs(u3);
1305 >      if (maxAbs < fabs(u4)) maxAbs = fabs(u4);
1306 >      u0 /= maxAbs;
1307 >      u1 /= maxAbs;
1308 >      u2 /= maxAbs;
1309 >      u3 /= maxAbs;
1310 >      u4 /= maxAbs;
1311 >      //max_element(start, end) is also available.
1312 >      Polynomial<RealType> poly; //same as DoublePolynomial poly;
1313 >      poly.setCoefficient(4, u4);
1314 >      poly.setCoefficient(3, u3);
1315 >      poly.setCoefficient(2, u2);
1316 >      poly.setCoefficient(1, u1);
1317 >      poly.setCoefficient(0, u0);
1318 >      vector<RealType> realRoots = poly.FindRealRoots();
1319 >      
1320 >      vector<RealType>::iterator ri;
1321 >      RealType r1, r2, alpha0;
1322 >      vector<pair<RealType,RealType> > rps;
1323 >      for (ri = realRoots.begin(); ri !=realRoots.end(); ++ri) {
1324 >        r2 = *ri;
1325 >        // Check to see if FindRealRoots() gave the right answer:
1326 >        if ( fabs(u0 + r2 * (u1 + r2 * (u2 + r2 * (u3 + r2 * u4)))) > 1e-6 ) {
1327 >          sprintf(painCave.errMsg,
1328 >                  "RNEMD Warning: polynomial solve seems to have an error!");
1329 >          painCave.isFatal = 0;
1330 >          simError();
1331 >          failRootCount_++;
1332 >        }
1333 >        // Might not be useful w/o rescaling coefficients
1334 >        alpha0 = -c0 - a110 * r2 * r2;
1335 >        if (alpha0 >= 0.0) {
1336 >          r1 = sqrt(alpha0 / a000);
1337 >          if (fabs(c1 + r1 * (b01 + r1 * a001) + r2 * (b11 + r2 * a111))
1338 >              < 1e-6)
1339 >            { rps.push_back(make_pair(r1, r2)); }
1340 >          if (r1 > 1e-6) { //r1 non-negative
1341 >            r1 = -r1;
1342 >            if (fabs(c1 + r1 * (b01 + r1 * a001) + r2 * (b11 + r2 * a111))
1343 >                < 1e-6)
1344 >              { rps.push_back(make_pair(r1, r2)); }
1345 >          }
1346 >        }
1347 >      }
1348 >      // Consider combining together the part for solving for the pair
1349 >      // w/ the searching for the best solution part so that we don't
1350 >      // need the pairs vector:
1351 >      if (!rps.empty()) {
1352 >        RealType smallestDiff = HONKING_LARGE_VALUE;
1353 >        RealType diff(0.0);
1354 >        std::pair<RealType,RealType> bestPair = std::make_pair(1.0, 1.0);
1355 >        std::vector<std::pair<RealType,RealType> >::iterator rpi;
1356 >        for (rpi = rps.begin(); rpi != rps.end(); ++rpi) {
1357 >          r1 = (*rpi).first;
1358 >          r2 = (*rpi).second;
1359 >          switch(rnemdFluxType_) {
1360 >          case rnemdKE :
1361 >            diff = fastpow(1.0 - r1, 2) + fastpow(1.0 - r2, 2)
1362 >              + fastpow(r1 * r1 / r2 / r2 - Kcz/Kcx, 2)
1363 >              + fastpow(r1 * r1 / r2 / r2 - Kcz/Kcy, 2);
1364 >            break;
1365 >          case rnemdPx :
1366 >            diff = fastpow(1.0 - r1, 2) + fastpow(1.0 - r2, 2)
1367 >              + fastpow(r1 * r1 / r2 / r2 - Kcz/Kcy, 2);
1368 >            break;
1369 >          case rnemdPy :
1370 >            diff = fastpow(1.0 - r1, 2) + fastpow(1.0 - r2, 2)
1371 >              + fastpow(r1 * r1 / r2 / r2 - Kcz/Kcx, 2);
1372 >            break;
1373 >          case rnemdPz :
1374 >            diff = fastpow(1.0 - r1, 2) + fastpow(1.0 - r2, 2)
1375 >              + fastpow(r1 * r1 / r2 / r2 - Kcy/Kcx, 2);
1376 >          default :
1377 >            break;
1378 >          }
1379 >          if (diff < smallestDiff) {
1380 >            smallestDiff = diff;
1381 >            bestPair = *rpi;
1382 >          }
1383 >        }
1384 > #ifdef IS_MPI
1385 >        if (worldRank == 0) {
1386 > #endif
1387 >          // sprintf(painCave.errMsg,
1388 >          //         "RNEMD: roots r1= %lf\tr2 = %lf\n",
1389 >          //         bestPair.first, bestPair.second);
1390 >          // painCave.isFatal = 0;
1391 >          // painCave.severity = OPENMD_INFO;
1392 >          // simError();
1393 > #ifdef IS_MPI
1394 >        }
1395 > #endif
1396 >        
1397 >        switch(rnemdFluxType_) {
1398 >        case rnemdKE :
1399 >          x = bestPair.first;
1400 >          y = bestPair.first;
1401 >          z = bestPair.second;
1402 >          break;
1403 >        case rnemdPx :
1404 >          x = c;
1405 >          y = bestPair.first;
1406 >          z = bestPair.second;
1407 >          break;
1408 >        case rnemdPy :
1409 >          x = bestPair.first;
1410 >          y = c;
1411 >          z = bestPair.second;
1412 >          break;
1413 >        case rnemdPz :
1414 >          x = bestPair.first;
1415 >          y = bestPair.second;
1416 >          z = c;
1417 >          break;          
1418 >        default :
1419 >          break;
1420 >        }
1421 >        vector<StuntDouble*>::iterator sdi;
1422 >        Vector3d vel;
1423 >        for (sdi = coldBin.begin(); sdi != coldBin.end(); ++sdi) {
1424 >          vel = (*sdi)->getVel();
1425 >          vel.x() *= x;
1426 >          vel.y() *= y;
1427 >          vel.z() *= z;
1428 >          (*sdi)->setVel(vel);
1429 >        }
1430 >        //convert to hotBin coefficient
1431 >        x = 1.0 + px * (1.0 - x);
1432 >        y = 1.0 + py * (1.0 - y);
1433 >        z = 1.0 + pz * (1.0 - z);
1434 >        for (sdi = hotBin.begin(); sdi != hotBin.end(); ++sdi) {
1435 >          vel = (*sdi)->getVel();
1436 >          vel.x() *= x;
1437 >          vel.y() *= y;
1438 >          vel.z() *= z;
1439 >          (*sdi)->setVel(vel);
1440 >        }
1441 >        successfulScale = true;
1442 >        switch(rnemdFluxType_) {
1443 >        case rnemdKE :
1444 >          kineticExchange_ += kineticTarget_;
1445 >          break;
1446 >        case rnemdPx :
1447 >        case rnemdPy :
1448 >        case rnemdPz :
1449 >          momentumExchange_ += momentumTarget_;
1450 >          break;          
1451 >        default :
1452 >          break;
1453 >        }      
1454 >      }
1455 >    }
1456 >    if (successfulScale != true) {
1457 >      sprintf(painCave.errMsg,
1458 >              "RNEMD::doNIVS exchange NOT performed - roots that solve\n"
1459 >              "\tthe constraint equations may not exist or there may be\n"
1460 >              "\tno selected objects in one or both slabs.\n");
1461 >      painCave.isFatal = 0;
1462 >      painCave.severity = OPENMD_INFO;
1463 >      simError();        
1464 >      failTrialCount_++;
1465 >    }
1466 >  }
1467 >  
1468 >  void RNEMD::doVSS(SelectionManager& smanA, SelectionManager& smanB) {
1469 >    if (!doRNEMD_) return;
1470 >    int selei;
1471 >    int selej;
1472 >
1473 >    Snapshot* currentSnap_ = info_->getSnapshotManager()->getCurrentSnapshot();
1474 >    Mat3x3d hmat = currentSnap_->getHmat();
1475 >
1476 >    StuntDouble* sd;
1477 >
1478 >    vector<StuntDouble*> hotBin, coldBin;
1479 >
1480 >    Vector3d Ph(V3Zero);
1481 >    Vector3d Lh(V3Zero);
1482 >    RealType Mh = 0.0;
1483 >    Mat3x3d Ih(0.0);
1484 >    RealType Kh = 0.0;
1485 >    Vector3d Pc(V3Zero);
1486 >    Vector3d Lc(V3Zero);
1487 >    RealType Mc = 0.0;
1488 >    Mat3x3d Ic(0.0);
1489 >    RealType Kc = 0.0;
1490 >
1491 >    // Constraints can be on only the linear or angular momentum, but
1492 >    // not both.  Usually, the user will specify which they want, but
1493 >    // in case they don't, the use of periodic boundaries should make
1494 >    // the choice for us.
1495 >    bool doLinearPart = false;
1496 >    bool doAngularPart = false;
1497 >
1498 >    switch (rnemdFluxType_) {
1499 >    case rnemdPx:
1500 >    case rnemdPy:
1501 >    case rnemdPz:
1502 >    case rnemdPvector:
1503 >    case rnemdKePx:
1504 >    case rnemdKePy:
1505 >    case rnemdKePvector:
1506 >      doLinearPart = true;
1507 >      break;
1508 >    case rnemdLx:
1509 >    case rnemdLy:
1510 >    case rnemdLz:
1511 >    case rnemdLvector:
1512 >    case rnemdKeLx:
1513 >    case rnemdKeLy:
1514 >    case rnemdKeLz:
1515 >    case rnemdKeLvector:
1516 >      doAngularPart = true;
1517 >      break;
1518 >    case rnemdKE:
1519 >    case rnemdRotKE:
1520 >    case rnemdFullKE:
1521 >    default:
1522 >      if (usePeriodicBoundaryConditions_)
1523 >        doLinearPart = true;
1524 >      else
1525 >        doAngularPart = true;
1526 >      break;
1527 >    }
1528 >    
1529 >    for (sd = smanA.beginSelected(selei); sd != NULL;
1530 >         sd = smanA.nextSelected(selei)) {
1531 >
1532 >      Vector3d pos = sd->getPos();
1533 >
1534 >      // wrap the stuntdouble's position back into the box:
1535 >      
1536 >      if (usePeriodicBoundaryConditions_)
1537 >        currentSnap_->wrapVector(pos);
1538 >      
1539 >      RealType mass = sd->getMass();
1540 >      Vector3d vel = sd->getVel();
1541 >      Vector3d rPos = sd->getPos() - coordinateOrigin_;
1542 >      RealType r2;
1543 >      
1544 >      hotBin.push_back(sd);
1545 >      Ph += mass * vel;
1546 >      Mh += mass;
1547 >      Kh += mass * vel.lengthSquare();
1548 >      Lh += mass * cross(rPos, vel);
1549 >      Ih -= outProduct(rPos, rPos) * mass;
1550 >      r2 = rPos.lengthSquare();
1551 >      Ih(0, 0) += mass * r2;
1552 >      Ih(1, 1) += mass * r2;
1553 >      Ih(2, 2) += mass * r2;
1554 >      
1555 >      if (rnemdFluxType_ == rnemdFullKE) {
1556 >        if (sd->isDirectional()) {
1557 >          Vector3d angMom = sd->getJ();
1558 >          Mat3x3d I = sd->getI();
1559 >          if (sd->isLinear()) {
1560 >            int i = sd->linearAxis();
1561 >            int j = (i + 1) % 3;
1562 >            int k = (i + 2) % 3;
1563 >            Kh += angMom[j] * angMom[j] / I(j, j) +
1564 >              angMom[k] * angMom[k] / I(k, k);
1565 >          } else {
1566 >            Kh += angMom[0] * angMom[0] / I(0, 0) +
1567 >              angMom[1] * angMom[1] / I(1, 1) +
1568 >              angMom[2] * angMom[2] / I(2, 2);
1569 >          }
1570 >        }
1571 >      }
1572 >    }
1573 >    for (sd = smanB.beginSelected(selej); sd != NULL;
1574 >         sd = smanB.nextSelected(selej)) {
1575 >
1576 >      Vector3d pos = sd->getPos();
1577 >      
1578 >      // wrap the stuntdouble's position back into the box:
1579 >      
1580 >      if (usePeriodicBoundaryConditions_)
1581 >        currentSnap_->wrapVector(pos);
1582 >      
1583 >      RealType mass = sd->getMass();
1584 >      Vector3d vel = sd->getVel();
1585 >      Vector3d rPos = sd->getPos() - coordinateOrigin_;
1586 >      RealType r2;
1587 >
1588 >      coldBin.push_back(sd);
1589 >      Pc += mass * vel;
1590 >      Mc += mass;
1591 >      Kc += mass * vel.lengthSquare();
1592 >      Lc += mass * cross(rPos, vel);
1593 >      Ic -= outProduct(rPos, rPos) * mass;
1594 >      r2 = rPos.lengthSquare();
1595 >      Ic(0, 0) += mass * r2;
1596 >      Ic(1, 1) += mass * r2;
1597 >      Ic(2, 2) += mass * r2;
1598 >      
1599 >      if (rnemdFluxType_ == rnemdFullKE) {
1600 >        if (sd->isDirectional()) {
1601 >          Vector3d angMom = sd->getJ();
1602 >          Mat3x3d I = sd->getI();
1603 >          if (sd->isLinear()) {
1604 >            int i = sd->linearAxis();
1605 >            int j = (i + 1) % 3;
1606 >            int k = (i + 2) % 3;
1607 >            Kc += angMom[j] * angMom[j] / I(j, j) +
1608 >              angMom[k] * angMom[k] / I(k, k);
1609 >          } else {
1610 >            Kc += angMom[0] * angMom[0] / I(0, 0) +
1611 >              angMom[1] * angMom[1] / I(1, 1) +
1612 >              angMom[2] * angMom[2] / I(2, 2);
1613 >          }
1614 >        }
1615 >      }
1616 >    }
1617 >    
1618 >    Kh *= 0.5;
1619 >    Kc *= 0.5;
1620 >    
1621 > #ifdef IS_MPI
1622 >    MPI_Allreduce(MPI_IN_PLACE, &Ph[0], 3, MPI_REALTYPE, MPI_SUM,
1623 >                  MPI_COMM_WORLD);
1624 >    MPI_Allreduce(MPI_IN_PLACE, &Pc[0], 3, MPI_REALTYPE, MPI_SUM,
1625 >                  MPI_COMM_WORLD);
1626 >    MPI_Allreduce(MPI_IN_PLACE, &Lh[0], 3, MPI_REALTYPE, MPI_SUM,
1627 >                  MPI_COMM_WORLD);
1628 >    MPI_Allreduce(MPI_IN_PLACE, &Lc[0], 3, MPI_REALTYPE, MPI_SUM,
1629 >                  MPI_COMM_WORLD);
1630 >    MPI_Allreduce(MPI_IN_PLACE, &Mh, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1631 >    MPI_Allreduce(MPI_IN_PLACE, &Kh, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1632 >    MPI_Allreduce(MPI_IN_PLACE, &Mc, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1633 >    MPI_Allreduce(MPI_IN_PLACE, &Kc, 1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1634 >    MPI_Allreduce(MPI_IN_PLACE, Ih.getArrayPointer(), 9,
1635 >                  MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1636 >    MPI_Allreduce(MPI_IN_PLACE, Ic.getArrayPointer(), 9,
1637 >                  MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
1638 > #endif
1639 >    
1640 >
1641 >    Vector3d ac, acrec, bc, bcrec;
1642 >    Vector3d ah, ahrec, bh, bhrec;
1643 >
1644 >    bool successfulExchange = false;
1645 >    if ((Mh > 0.0) && (Mc > 0.0)) {//both slabs are not empty
1646 >      Vector3d vc = Pc / Mc;
1647 >      ac = -momentumTarget_ / Mc + vc;
1648 >      acrec = -momentumTarget_ / Mc;
1649 >      
1650 >      // We now need the inverse of the inertia tensor to calculate the
1651 >      // angular velocity of the cold slab;
1652 >      Mat3x3d Ici = Ic.inverse();
1653 >      Vector3d omegac = Ici * Lc;
1654 >      bc  = -(Ici * angularMomentumTarget_) + omegac;
1655 >      bcrec = bc - omegac;
1656 >      
1657 >      RealType cNumerator = Kc - kineticTarget_;
1658 >      if (doLinearPart)
1659 >        cNumerator -= 0.5 * Mc * ac.lengthSquare();
1660 >      
1661 >      if (doAngularPart)
1662 >        cNumerator -= 0.5 * ( dot(bc, Ic * bc));
1663 >
1664 >      if (cNumerator > 0.0) {
1665 >        
1666 >        RealType cDenominator = Kc;
1667 >
1668 >        if (doLinearPart)
1669 >          cDenominator -= 0.5 * Mc * vc.lengthSquare();
1670 >
1671 >        if (doAngularPart)
1672 >          cDenominator -= 0.5*(dot(omegac, Ic * omegac));
1673 >        
1674 >        if (cDenominator > 0.0) {
1675 >          RealType c = sqrt(cNumerator / cDenominator);
1676 >          if ((c > 0.9) && (c < 1.1)) {//restrict scaling coefficients
1677 >            
1678 >            Vector3d vh = Ph / Mh;
1679 >            ah = momentumTarget_ / Mh + vh;
1680 >            ahrec = momentumTarget_ / Mh;
1681 >            
1682 >            // We now need the inverse of the inertia tensor to
1683 >            // calculate the angular velocity of the hot slab;
1684 >            Mat3x3d Ihi = Ih.inverse();
1685 >            Vector3d omegah = Ihi * Lh;
1686 >            bh  = (Ihi * angularMomentumTarget_) + omegah;
1687 >            bhrec = bh - omegah;
1688 >            
1689 >            RealType hNumerator = Kh + kineticTarget_;
1690 >            if (doLinearPart)
1691 >              hNumerator -= 0.5 * Mh * ah.lengthSquare();
1692 >            
1693 >            if (doAngularPart)
1694 >              hNumerator -= 0.5 * ( dot(bh, Ih * bh));
1695 >              
1696 >            if (hNumerator > 0.0) {
1697 >              
1698 >              RealType hDenominator = Kh;
1699 >              if (doLinearPart)
1700 >                hDenominator -= 0.5 * Mh * vh.lengthSquare();
1701 >              if (doAngularPart)
1702 >                hDenominator -= 0.5*(dot(omegah, Ih * omegah));
1703 >              
1704 >              if (hDenominator > 0.0) {
1705 >                RealType h = sqrt(hNumerator / hDenominator);
1706 >                if ((h > 0.9) && (h < 1.1)) {
1707 >                  
1708 >                  vector<StuntDouble*>::iterator sdi;
1709 >                  Vector3d vel;
1710 >                  Vector3d rPos;
1711 >                  
1712 >                  for (sdi = coldBin.begin(); sdi != coldBin.end(); ++sdi) {
1713 >                    //vel = (*sdi)->getVel();
1714 >                    rPos = (*sdi)->getPos() - coordinateOrigin_;
1715 >                    if (doLinearPart)
1716 >                      vel = ((*sdi)->getVel() - vc) * c + ac;
1717 >                    if (doAngularPart)
1718 >                      vel = ((*sdi)->getVel() - cross(omegac, rPos)) * c + cross(bc, rPos);
1719 >
1720 >                    (*sdi)->setVel(vel);
1721 >                    if (rnemdFluxType_ == rnemdFullKE) {
1722 >                      if ((*sdi)->isDirectional()) {
1723 >                        Vector3d angMom = (*sdi)->getJ() * c;
1724 >                        (*sdi)->setJ(angMom);
1725 >                      }
1726 >                    }
1727 >                  }
1728 >                  for (sdi = hotBin.begin(); sdi != hotBin.end(); ++sdi) {
1729 >                    //vel = (*sdi)->getVel();
1730 >                    rPos = (*sdi)->getPos() - coordinateOrigin_;
1731 >                    if (doLinearPart)
1732 >                      vel = ((*sdi)->getVel() - vh) * h + ah;    
1733 >                    if (doAngularPart)
1734 >                      vel = ((*sdi)->getVel() - cross(omegah, rPos)) * h + cross(bh, rPos);    
1735 >
1736 >                    (*sdi)->setVel(vel);
1737 >                    if (rnemdFluxType_ == rnemdFullKE) {
1738 >                      if ((*sdi)->isDirectional()) {
1739 >                        Vector3d angMom = (*sdi)->getJ() * h;
1740 >                        (*sdi)->setJ(angMom);
1741 >                      }
1742 >                    }
1743 >                  }
1744 >                  successfulExchange = true;
1745 >                  kineticExchange_ += kineticTarget_;
1746 >                  momentumExchange_ += momentumTarget_;
1747 >                  angularMomentumExchange_ += angularMomentumTarget_;
1748 >                }
1749 >              }
1750 >            }
1751 >          }
1752 >        }
1753 >      }
1754 >    }
1755 >    if (successfulExchange != true) {
1756 >      sprintf(painCave.errMsg,
1757 >              "RNEMD::doVSS exchange NOT performed - roots that solve\n"
1758 >              "\tthe constraint equations may not exist or there may be\n"
1759 >              "\tno selected objects in one or both slabs.\n");
1760 >      painCave.isFatal = 0;
1761 >      painCave.severity = OPENMD_INFO;
1762 >      simError();        
1763 >      failTrialCount_++;
1764 >    }
1765 >  }
1766 >
1767 >  RealType RNEMD::getDividingArea() {
1768 >
1769 >    if (hasDividingArea_) return dividingArea_;
1770 >
1771 >    RealType areaA, areaB;
1772 >    Snapshot* snap = info_->getSnapshotManager()->getCurrentSnapshot();
1773 >
1774 >    if (hasSelectionA_) {
1775 >
1776 >      if (evaluatorA_.hasSurfaceArea())
1777 >        areaA = evaluatorA_.getSurfaceArea();
1778 >      else {
1779 >        
1780 >        int isd;
1781 >        StuntDouble* sd;
1782 >        vector<StuntDouble*> aSites;
1783 >        seleManA_.setSelectionSet(evaluatorA_.evaluate());
1784 >        for (sd = seleManA_.beginSelected(isd); sd != NULL;
1785 >             sd = seleManA_.nextSelected(isd)) {
1786 >          aSites.push_back(sd);
1787 >        }
1788 > #if defined(HAVE_QHULL)
1789 >        ConvexHull* surfaceMeshA = new ConvexHull();
1790 >        surfaceMeshA->computeHull(aSites);
1791 >        areaA = surfaceMeshA->getArea();
1792 >        delete surfaceMeshA;
1793 > #else
1794 >        sprintf( painCave.errMsg,
1795 >               "RNEMD::getDividingArea : Hull calculation is not possible\n"
1796 >                 "\twithout libqhull. Please rebuild OpenMD with qhull enabled.");
1797 >        painCave.severity = OPENMD_ERROR;
1798 >        painCave.isFatal = 1;
1799 >        simError();
1800 > #endif
1801 >      }
1802 >
1803 >    } else {
1804 >      if (usePeriodicBoundaryConditions_) {
1805 >        // in periodic boundaries, the surface area is twice the x-y
1806 >        // area of the current box:
1807 >        areaA = 2.0 * snap->getXYarea();
1808 >      } else {
1809 >        // in non-periodic simulations, without explicitly setting
1810 >        // selections, the sphere radius sets the surface area of the
1811 >        // dividing surface:
1812 >        areaA = 4.0 * M_PI * pow(sphereARadius_, 2);
1813 >      }
1814 >    }
1815 >
1816 >    if (hasSelectionB_) {
1817 >      if (evaluatorB_.hasSurfaceArea()) {
1818 >        areaB = evaluatorB_.getSurfaceArea();
1819 >      } else {
1820 >
1821 >        int isd;
1822 >        StuntDouble* sd;
1823 >        vector<StuntDouble*> bSites;
1824 >        seleManB_.setSelectionSet(evaluatorB_.evaluate());
1825 >        for (sd = seleManB_.beginSelected(isd); sd != NULL;
1826 >             sd = seleManB_.nextSelected(isd)) {
1827 >          bSites.push_back(sd);
1828 >        }
1829 >        
1830 > #if defined(HAVE_QHULL)
1831 >        ConvexHull* surfaceMeshB = new ConvexHull();    
1832 >        surfaceMeshB->computeHull(bSites);
1833 >        areaB = surfaceMeshB->getArea();
1834 >        delete surfaceMeshB;
1835 > #else
1836 >        sprintf( painCave.errMsg,
1837 >                 "RNEMD::getDividingArea : Hull calculation is not possible\n"
1838 >                 "\twithout libqhull. Please rebuild OpenMD with qhull enabled.");
1839 >        painCave.severity = OPENMD_ERROR;
1840 >        painCave.isFatal = 1;
1841 >        simError();
1842 > #endif
1843 >      }
1844 >      
1845 >    } else {
1846 >      if (usePeriodicBoundaryConditions_) {
1847 >        // in periodic boundaries, the surface area is twice the x-y
1848 >        // area of the current box:
1849 >        areaB = 2.0 * snap->getXYarea();
1850 >      } else {
1851 >        // in non-periodic simulations, without explicitly setting
1852 >        // selections, but if a sphereBradius has been set, just use that:
1853 >        areaB = 4.0 * M_PI * pow(sphereBRadius_, 2);
1854 >      }
1855 >    }
1856 >      
1857 >    dividingArea_ = min(areaA, areaB);
1858 >    hasDividingArea_ = true;
1859 >    return dividingArea_;
1860 >  }
1861 >  
1862 >  void RNEMD::doRNEMD() {
1863 >    if (!doRNEMD_) return;
1864 >    trialCount_++;
1865 >
1866 >    // object evaluator:
1867 >    evaluator_.loadScriptString(rnemdObjectSelection_);
1868 >    seleMan_.setSelectionSet(evaluator_.evaluate());
1869 >
1870 >    evaluatorA_.loadScriptString(selectionA_);
1871 >    evaluatorB_.loadScriptString(selectionB_);
1872 >
1873 >    seleManA_.setSelectionSet(evaluatorA_.evaluate());
1874 >    seleManB_.setSelectionSet(evaluatorB_.evaluate());
1875 >
1876 >    commonA_ = seleManA_ & seleMan_;
1877 >    commonB_ = seleManB_ & seleMan_;
1878 >
1879 >    // Target exchange quantities (in each exchange) = dividingArea * dt * flux
1880 >    // dt = exchange time interval
1881 >    // flux = target flux
1882 >    // dividingArea = smallest dividing surface between the two regions
1883 >
1884 >    hasDividingArea_ = false;
1885 >    RealType area = getDividingArea();
1886 >
1887 >    kineticTarget_ = kineticFlux_ * exchangeTime_ * area;
1888 >    momentumTarget_ = momentumFluxVector_ * exchangeTime_ * area;
1889 >    angularMomentumTarget_ = angularMomentumFluxVector_ * exchangeTime_ * area;
1890 >
1891 >    switch(rnemdMethod_) {
1892 >    case rnemdSwap:
1893 >      doSwap(commonA_, commonB_);
1894 >      break;
1895 >    case rnemdNIVS:
1896 >      doNIVS(commonA_, commonB_);
1897 >      break;
1898 >    case rnemdVSS:
1899 >      doVSS(commonA_, commonB_);
1900 >      break;
1901 >    case rnemdUnkownMethod:
1902 >    default :
1903 >      break;
1904 >    }
1905 >  }
1906 >
1907 >  void RNEMD::collectData() {
1908 >    if (!doRNEMD_) return;
1909 >    Snapshot* currentSnap_ = info_->getSnapshotManager()->getCurrentSnapshot();
1910 >
1911 >    // collectData can be called more frequently than the doRNEMD, so use the
1912 >    // computed area from the last exchange time:
1913 >    RealType area = getDividingArea();
1914 >    areaAccumulator_->add(area);
1915 >    Mat3x3d hmat = currentSnap_->getHmat();
1916 >    Vector3d u = angularMomentumFluxVector_;
1917 >    u.normalize();
1918 >
1919 >    seleMan_.setSelectionSet(evaluator_.evaluate());
1920 >
1921 >    int selei(0);
1922 >    StuntDouble* sd;
1923 >    int binNo;
1924 >    RealType mass;
1925 >    Vector3d vel;
1926 >    Vector3d rPos;
1927 >    RealType KE;
1928 >    Vector3d L;
1929 >    Mat3x3d I;
1930 >    RealType r2;
1931 >
1932 >    vector<RealType> binMass(nBins_, 0.0);
1933 >    vector<Vector3d> binP(nBins_, V3Zero);
1934 >    vector<RealType> binOmega(nBins_, 0.0);
1935 >    vector<Vector3d> binL(nBins_, V3Zero);
1936 >    vector<Mat3x3d>  binI(nBins_);
1937 >    vector<RealType> binKE(nBins_, 0.0);
1938 >    vector<int> binDOF(nBins_, 0);
1939 >    vector<int> binCount(nBins_, 0);
1940 >
1941 >    // alternative approach, track all molecules instead of only those
1942 >    // selected for scaling/swapping:
1943 >    /*
1944 >      SimInfo::MoleculeIterator miter;
1945 >      vector<StuntDouble*>::iterator iiter;
1946 >      Molecule* mol;
1947 >      StuntDouble* sd;
1948 >      for (mol = info_->beginMolecule(miter); mol != NULL;
1949 >      mol = info_->nextMolecule(miter))
1950 >      sd is essentially sd
1951 >      for (sd = mol->beginIntegrableObject(iiter);
1952 >      sd != NULL;
1953 >      sd = mol->nextIntegrableObject(iiter))
1954 >    */
1955 >
1956 >    for (sd = seleMan_.beginSelected(selei); sd != NULL;
1957 >         sd = seleMan_.nextSelected(selei)) {    
1958 >    
1959 >      Vector3d pos = sd->getPos();
1960 >
1961 >      // wrap the stuntdouble's position back into the box:
1962 >      
1963 >      if (usePeriodicBoundaryConditions_) {
1964 >        currentSnap_->wrapVector(pos);
1965 >        // which bin is this stuntdouble in?
1966 >        // wrapped positions are in the range [-0.5*hmat(2,2), +0.5*hmat(2,2)]
1967 >        // Shift molecules by half a box to have bins start at 0
1968 >        // The modulo operator is used to wrap the case when we are
1969 >        // beyond the end of the bins back to the beginning.
1970 >        binNo = int(nBins_ * (pos.z() / hmat(2,2) + 0.5)) % nBins_;
1971 >      } else {
1972 >        Vector3d rPos = pos - coordinateOrigin_;
1973 >        binNo = int(rPos.length() / binWidth_);
1974 >      }
1975 >
1976 >      mass = sd->getMass();
1977 >      vel = sd->getVel();
1978 >      rPos = sd->getPos() - coordinateOrigin_;
1979 >      KE = 0.5 * mass * vel.lengthSquare();
1980 >      L = mass * cross(rPos, vel);
1981 >      I = outProduct(rPos, rPos) * mass;
1982 >      r2 = rPos.lengthSquare();
1983 >      I(0, 0) += mass * r2;
1984 >      I(1, 1) += mass * r2;
1985 >      I(2, 2) += mass * r2;
1986 >
1987 >      // Project the relative position onto a plane perpendicular to
1988 >      // the angularMomentumFluxVector:
1989 >      // Vector3d rProj = rPos - dot(rPos, u) * u;
1990 >      // Project the velocity onto a plane perpendicular to the
1991 >      // angularMomentumFluxVector:
1992 >      // Vector3d vProj = vel  - dot(vel, u) * u;
1993 >      // Compute angular velocity vector (should be nearly parallel to
1994 >      // angularMomentumFluxVector
1995 >      // Vector3d aVel = cross(rProj, vProj);
1996 >
1997 >      if (binNo >= 0 && binNo < nBins_)  {
1998 >        binCount[binNo]++;
1999 >        binMass[binNo] += mass;
2000 >        binP[binNo] += mass*vel;
2001 >        binKE[binNo] += KE;
2002 >        binI[binNo] += I;
2003 >        binL[binNo] += L;
2004 >        binDOF[binNo] += 3;
2005 >        
2006 >        if (sd->isDirectional()) {
2007 >          Vector3d angMom = sd->getJ();
2008 >          Mat3x3d Ia = sd->getI();
2009 >          if (sd->isLinear()) {
2010 >            int i = sd->linearAxis();
2011 >            int j = (i + 1) % 3;
2012 >            int k = (i + 2) % 3;
2013 >            binKE[binNo] += 0.5 * (angMom[j] * angMom[j] / Ia(j, j) +
2014 >                                   angMom[k] * angMom[k] / Ia(k, k));
2015 >            binDOF[binNo] += 2;
2016 >          } else {
2017 >            binKE[binNo] += 0.5 * (angMom[0] * angMom[0] / Ia(0, 0) +
2018 >                                   angMom[1] * angMom[1] / Ia(1, 1) +
2019 >                                   angMom[2] * angMom[2] / Ia(2, 2));
2020 >            binDOF[binNo] += 3;
2021 >          }
2022 >        }
2023 >      }
2024 >    }
2025 >
2026 > #ifdef IS_MPI
2027 >
2028 >    for (int i = 0; i < nBins_; i++) {
2029 >      
2030 >      MPI_Allreduce(MPI_IN_PLACE, &binCount[i],
2031 >                    1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
2032 >      MPI_Allreduce(MPI_IN_PLACE, &binMass[i],
2033 >                    1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
2034 >      MPI_Allreduce(MPI_IN_PLACE, binP[i].getArrayPointer(),
2035 >                    3, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
2036 >      MPI_Allreduce(MPI_IN_PLACE, binL[i].getArrayPointer(),
2037 >                    3, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
2038 >      MPI_Allreduce(MPI_IN_PLACE, binI[i].getArrayPointer(),
2039 >                    9, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
2040 >      MPI_Allreduce(MPI_IN_PLACE, &binKE[i],
2041 >                    1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
2042 >      MPI_Allreduce(MPI_IN_PLACE, &binDOF[i],
2043 >                    1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
2044 >      //MPI_Allreduce(MPI_IN_PLACE, &binOmega[i],
2045 >      //                          1, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
2046 >    }
2047 >    
2048 > #endif
2049 >
2050 >    Vector3d omega;
2051 >    RealType den;
2052 >    RealType temp;
2053 >    RealType z;
2054 >    RealType r;
2055 >    for (int i = 0; i < nBins_; i++) {
2056 >      if (usePeriodicBoundaryConditions_) {
2057 >        z = (((RealType)i + 0.5) / (RealType)nBins_) * hmat(2,2);
2058 >        den = binMass[i] * nBins_ * PhysicalConstants::densityConvert
2059 >          / currentSnap_->getVolume() ;
2060 >      } else {
2061 >        r = (((RealType)i + 0.5) * binWidth_);
2062 >        RealType rinner = (RealType)i * binWidth_;
2063 >        RealType router = (RealType)(i+1) * binWidth_;
2064 >        den = binMass[i] * 3.0 * PhysicalConstants::densityConvert
2065 >          / (4.0 * M_PI * (pow(router,3) - pow(rinner,3)));
2066 >      }
2067 >      vel = binP[i] / binMass[i];
2068 >
2069 >      omega = binI[i].inverse() * binL[i];
2070 >
2071 >      // omega = binOmega[i] / binCount[i];
2072 >
2073 >      if (binCount[i] > 0) {
2074 >        // only add values if there are things to add
2075 >        temp = 2.0 * binKE[i] / (binDOF[i] * PhysicalConstants::kb *
2076 >                                 PhysicalConstants::energyConvert);
2077 >        
2078 >        for (unsigned int j = 0; j < outputMask_.size(); ++j) {
2079 >          if(outputMask_[j]) {
2080 >            switch(j) {
2081 >            case Z:
2082 >              dynamic_cast<Accumulator *>(data_[j].accumulator[i])->add(z);
2083 >              break;
2084 >            case R:
2085 >              dynamic_cast<Accumulator *>(data_[j].accumulator[i])->add(r);
2086 >              break;
2087 >            case TEMPERATURE:
2088 >              dynamic_cast<Accumulator *>(data_[j].accumulator[i])->add(temp);
2089 >              break;
2090 >            case VELOCITY:
2091 >              dynamic_cast<VectorAccumulator *>(data_[j].accumulator[i])->add(vel);
2092 >              break;
2093 >            case ANGULARVELOCITY:  
2094 >              dynamic_cast<VectorAccumulator *>(data_[j].accumulator[i])->add(omega);
2095 >              break;
2096 >            case DENSITY:
2097 >              dynamic_cast<Accumulator *>(data_[j].accumulator[i])->add(den);
2098 >              break;
2099 >            }
2100 >          }
2101 >        }
2102 >      }
2103 >    }
2104 >    hasData_ = true;
2105 >  }
2106 >
2107 >  void RNEMD::getStarted() {
2108 >    if (!doRNEMD_) return;
2109 >    hasDividingArea_ = false;
2110 >    collectData();
2111 >    writeOutputFile();
2112 >  }
2113 >
2114 >  void RNEMD::parseOutputFileFormat(const std::string& format) {
2115 >    if (!doRNEMD_) return;
2116 >    StringTokenizer tokenizer(format, " ,;|\t\n\r");
2117 >    
2118 >    while(tokenizer.hasMoreTokens()) {
2119 >      std::string token(tokenizer.nextToken());
2120 >      toUpper(token);
2121 >      OutputMapType::iterator i = outputMap_.find(token);
2122 >      if (i != outputMap_.end()) {
2123 >        outputMask_.set(i->second);
2124 >      } else {
2125 >        sprintf( painCave.errMsg,
2126 >                 "RNEMD::parseOutputFileFormat: %s is not a recognized\n"
2127 >                 "\toutputFileFormat keyword.\n", token.c_str() );
2128 >        painCave.isFatal = 0;
2129 >        painCave.severity = OPENMD_ERROR;
2130 >        simError();            
2131 >      }
2132 >    }
2133 >  }
2134 >  
2135 >  void RNEMD::writeOutputFile() {
2136 >    if (!doRNEMD_) return;
2137 >    if (!hasData_) return;
2138 >    
2139 > #ifdef IS_MPI
2140 >    // If we're the root node, should we print out the results
2141 >    int worldRank;
2142 >    MPI_Comm_rank( MPI_COMM_WORLD, &worldRank);
2143 >
2144 >    if (worldRank == 0) {
2145 > #endif
2146 >      rnemdFile_.open(rnemdFileName_.c_str(), std::ios::out | std::ios::trunc );
2147 >      
2148 >      if( !rnemdFile_ ){        
2149 >        sprintf( painCave.errMsg,
2150 >                 "Could not open \"%s\" for RNEMD output.\n",
2151 >                 rnemdFileName_.c_str());
2152 >        painCave.isFatal = 1;
2153 >        simError();
2154 >      }
2155 >
2156 >      Snapshot* currentSnap_ = info_->getSnapshotManager()->getCurrentSnapshot();
2157 >
2158 >      RealType time = currentSnap_->getTime();
2159 >      RealType avgArea;
2160 >      areaAccumulator_->getAverage(avgArea);
2161 >
2162 >      RealType Jz(0.0);
2163 >      Vector3d JzP(V3Zero);
2164 >      Vector3d JzL(V3Zero);
2165 >      if (time >= info_->getSimParams()->getDt()) {
2166 >        Jz = kineticExchange_ / (time * avgArea)
2167 >          / PhysicalConstants::energyConvert;
2168 >        JzP = momentumExchange_ / (time * avgArea);
2169 >        JzL = angularMomentumExchange_ / (time * avgArea);
2170 >      }
2171 >
2172 >      rnemdFile_ << "#######################################################\n";
2173 >      rnemdFile_ << "# RNEMD {\n";
2174 >
2175 >      map<string, RNEMDMethod>::iterator mi;
2176 >      for(mi = stringToMethod_.begin(); mi != stringToMethod_.end(); ++mi) {
2177 >        if ( (*mi).second == rnemdMethod_)
2178 >          rnemdFile_ << "#    exchangeMethod  = \"" << (*mi).first << "\";\n";
2179 >      }
2180 >      map<string, RNEMDFluxType>::iterator fi;
2181 >      for(fi = stringToFluxType_.begin(); fi != stringToFluxType_.end(); ++fi) {
2182 >        if ( (*fi).second == rnemdFluxType_)
2183 >          rnemdFile_ << "#    fluxType  = \"" << (*fi).first << "\";\n";
2184 >      }
2185 >      
2186 >      rnemdFile_ << "#    exchangeTime = " << exchangeTime_ << ";\n";
2187 >
2188 >      rnemdFile_ << "#    objectSelection = \""
2189 >                 << rnemdObjectSelection_ << "\";\n";
2190 >      rnemdFile_ << "#    selectionA = \"" << selectionA_ << "\";\n";
2191 >      rnemdFile_ << "#    selectionB = \"" << selectionB_ << "\";\n";
2192 >      rnemdFile_ << "# }\n";
2193 >      rnemdFile_ << "#######################################################\n";
2194 >      rnemdFile_ << "# RNEMD report:\n";      
2195 >      rnemdFile_ << "#      running time = " << time << " fs\n";
2196 >      rnemdFile_ << "# Target flux:\n";
2197 >      rnemdFile_ << "#           kinetic = "
2198 >                 << kineticFlux_ / PhysicalConstants::energyConvert
2199 >                 << " (kcal/mol/A^2/fs)\n";
2200 >      rnemdFile_ << "#          momentum = " << momentumFluxVector_
2201 >                 << " (amu/A/fs^2)\n";
2202 >      rnemdFile_ << "#  angular momentum = " << angularMomentumFluxVector_
2203 >                 << " (amu/A^2/fs^2)\n";
2204 >      rnemdFile_ << "# Target one-time exchanges:\n";
2205 >      rnemdFile_ << "#          kinetic = "
2206 >                 << kineticTarget_ / PhysicalConstants::energyConvert
2207 >                 << " (kcal/mol)\n";
2208 >      rnemdFile_ << "#          momentum = " << momentumTarget_
2209 >                 << " (amu*A/fs)\n";
2210 >      rnemdFile_ << "#  angular momentum = " << angularMomentumTarget_
2211 >                 << " (amu*A^2/fs)\n";
2212 >      rnemdFile_ << "# Actual exchange totals:\n";
2213 >      rnemdFile_ << "#          kinetic = "
2214 >                 << kineticExchange_ / PhysicalConstants::energyConvert
2215 >                 << " (kcal/mol)\n";
2216 >      rnemdFile_ << "#          momentum = " << momentumExchange_
2217 >                 << " (amu*A/fs)\n";      
2218 >      rnemdFile_ << "#  angular momentum = " << angularMomentumExchange_
2219 >                 << " (amu*A^2/fs)\n";      
2220 >      rnemdFile_ << "# Actual flux:\n";
2221 >      rnemdFile_ << "#          kinetic = " << Jz
2222 >                 << " (kcal/mol/A^2/fs)\n";
2223 >      rnemdFile_ << "#          momentum = " << JzP
2224 >                 << " (amu/A/fs^2)\n";
2225 >      rnemdFile_ << "#  angular momentum = " << JzL
2226 >                 << " (amu/A^2/fs^2)\n";
2227 >      rnemdFile_ << "# Exchange statistics:\n";
2228 >      rnemdFile_ << "#               attempted = " << trialCount_ << "\n";
2229 >      rnemdFile_ << "#                  failed = " << failTrialCount_ << "\n";
2230 >      if (rnemdMethod_ == rnemdNIVS) {
2231 >        rnemdFile_ << "#  NIVS root-check errors = "
2232 >                   << failRootCount_ << "\n";
2233 >      }
2234 >      rnemdFile_ << "#######################################################\n";
2235 >      
2236 >      
2237 >      
2238 >      //write title
2239 >      rnemdFile_ << "#";
2240 >      for (unsigned int i = 0; i < outputMask_.size(); ++i) {
2241 >        if (outputMask_[i]) {
2242 >          rnemdFile_ << "\t" << data_[i].title <<
2243 >            "(" << data_[i].units << ")";
2244 >          // add some extra tabs for column alignment
2245 >          if (data_[i].dataType == "Vector3d") rnemdFile_ << "\t\t";
2246 >        }
2247 >      }
2248 >      rnemdFile_ << std::endl;
2249 >      
2250 >      rnemdFile_.precision(8);
2251 >      
2252 >      for (int j = 0; j < nBins_; j++) {        
2253 >        
2254 >        for (unsigned int i = 0; i < outputMask_.size(); ++i) {
2255 >          if (outputMask_[i]) {
2256 >            if (data_[i].dataType == "RealType")
2257 >              writeReal(i,j);
2258 >            else if (data_[i].dataType == "Vector3d")
2259 >              writeVector(i,j);
2260 >            else {
2261 >              sprintf( painCave.errMsg,
2262 >                       "RNEMD found an unknown data type for: %s ",
2263 >                       data_[i].title.c_str());
2264 >              painCave.isFatal = 1;
2265 >              simError();
2266 >            }
2267 >          }
2268 >        }
2269 >        rnemdFile_ << std::endl;
2270 >        
2271 >      }        
2272 >
2273 >      rnemdFile_ << "#######################################################\n";
2274 >      rnemdFile_ << "# 95% confidence intervals in those quantities follow:\n";
2275 >      rnemdFile_ << "#######################################################\n";
2276 >
2277 >
2278 >      for (int j = 0; j < nBins_; j++) {        
2279 >        rnemdFile_ << "#";
2280 >        for (unsigned int i = 0; i < outputMask_.size(); ++i) {
2281 >          if (outputMask_[i]) {
2282 >            if (data_[i].dataType == "RealType")
2283 >              writeRealErrorBars(i,j);
2284 >            else if (data_[i].dataType == "Vector3d")
2285 >              writeVectorErrorBars(i,j);
2286 >            else {
2287 >              sprintf( painCave.errMsg,
2288 >                       "RNEMD found an unknown data type for: %s ",
2289 >                       data_[i].title.c_str());
2290 >              painCave.isFatal = 1;
2291 >              simError();
2292 >            }
2293 >          }
2294 >        }
2295 >        rnemdFile_ << std::endl;
2296 >        
2297 >      }        
2298 >      
2299 >      rnemdFile_.flush();
2300 >      rnemdFile_.close();
2301 >      
2302 > #ifdef IS_MPI
2303 >    }
2304 > #endif
2305 >    
2306 >  }
2307 >  
2308 >  void RNEMD::writeReal(int index, unsigned int bin) {
2309 >    if (!doRNEMD_) return;
2310 >    assert(index >=0 && index < ENDINDEX);
2311 >    assert(int(bin) < nBins_);
2312 >    RealType s;
2313 >    int count;
2314 >    
2315 >    count = data_[index].accumulator[bin]->count();
2316 >    if (count == 0) return;
2317 >    
2318 >    dynamic_cast<Accumulator *>(data_[index].accumulator[bin])->getAverage(s);
2319 >    
2320 >    if (! isinf(s) && ! isnan(s)) {
2321 >      rnemdFile_ << "\t" << s;
2322 >    } else{
2323 >      sprintf( painCave.errMsg,
2324 >               "RNEMD detected a numerical error writing: %s for bin %u",
2325 >               data_[index].title.c_str(), bin);
2326 >      painCave.isFatal = 1;
2327 >      simError();
2328 >    }    
2329 >  }
2330 >  
2331 >  void RNEMD::writeVector(int index, unsigned int bin) {
2332 >    if (!doRNEMD_) return;
2333 >    assert(index >=0 && index < ENDINDEX);
2334 >    assert(int(bin) < nBins_);
2335 >    Vector3d s;
2336 >    int count;
2337 >    
2338 >    count = data_[index].accumulator[bin]->count();
2339 >
2340 >    if (count == 0) return;
2341 >
2342 >    dynamic_cast<VectorAccumulator*>(data_[index].accumulator[bin])->getAverage(s);
2343 >    if (isinf(s[0]) || isnan(s[0]) ||
2344 >        isinf(s[1]) || isnan(s[1]) ||
2345 >        isinf(s[2]) || isnan(s[2]) ) {      
2346 >      sprintf( painCave.errMsg,
2347 >               "RNEMD detected a numerical error writing: %s for bin %u",
2348 >               data_[index].title.c_str(), bin);
2349 >      painCave.isFatal = 1;
2350 >      simError();
2351 >    } else {
2352 >      rnemdFile_ << "\t" << s[0] << "\t" << s[1] << "\t" << s[2];
2353 >    }
2354 >  }  
2355 >
2356 >  void RNEMD::writeRealErrorBars(int index, unsigned int bin) {
2357 >    if (!doRNEMD_) return;
2358 >    assert(index >=0 && index < ENDINDEX);
2359 >    assert(int(bin) < nBins_);
2360 >    RealType s;
2361 >    int count;
2362 >    
2363 >    count = data_[index].accumulator[bin]->count();
2364 >    if (count == 0) return;
2365 >    
2366 >    dynamic_cast<Accumulator *>(data_[index].accumulator[bin])->get95percentConfidenceInterval(s);
2367 >    
2368 >    if (! isinf(s) && ! isnan(s)) {
2369 >      rnemdFile_ << "\t" << s;
2370 >    } else{
2371 >      sprintf( painCave.errMsg,
2372 >               "RNEMD detected a numerical error writing: %s std. dev. for bin %u",
2373 >               data_[index].title.c_str(), bin);
2374 >      painCave.isFatal = 1;
2375 >      simError();
2376 >    }    
2377 >  }
2378 >  
2379 >  void RNEMD::writeVectorErrorBars(int index, unsigned int bin) {
2380 >    if (!doRNEMD_) return;
2381 >    assert(index >=0 && index < ENDINDEX);
2382 >    assert(int(bin) < nBins_);
2383 >    Vector3d s;
2384 >    int count;
2385 >    
2386 >    count = data_[index].accumulator[bin]->count();
2387 >    if (count == 0) return;
2388 >
2389 >    dynamic_cast<VectorAccumulator*>(data_[index].accumulator[bin])->get95percentConfidenceInterval(s);
2390 >    if (isinf(s[0]) || isnan(s[0]) ||
2391 >        isinf(s[1]) || isnan(s[1]) ||
2392 >        isinf(s[2]) || isnan(s[2]) ) {      
2393 >      sprintf( painCave.errMsg,
2394 >               "RNEMD detected a numerical error writing: %s std. dev. for bin %u",
2395 >               data_[index].title.c_str(), bin);
2396 >      painCave.isFatal = 1;
2397 >      simError();
2398 >    } else {
2399 >      rnemdFile_ << "\t" << s[0] << "\t" << s[1] << "\t" << s[2];
2400 >    }
2401 >  }  
2402 > }
2403 >

Comparing:
trunk/src/integrators/RNEMD.cpp (property svn:keywords), Revision 1330 by skuang, Thu Mar 19 21:03:36 2009 UTC vs.
trunk/src/rnemd/RNEMD.cpp (property svn:keywords), Revision 2071 by gezelter, Sat Mar 7 21:41:51 2015 UTC

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