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root/OpenMD/trunk/src/selection/SelectionEvaluator.cpp
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Comparing trunk/src/selection/SelectionEvaluator.cpp (file contents):
Revision 282 by tim, Thu Feb 3 14:04:59 2005 UTC vs.
Revision 1782 by gezelter, Wed Aug 22 02:28:28 2012 UTC

# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
39 + * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43 + #include <stack>
44   #include "selection/SelectionEvaluator.hpp"
45 < namespace oopse {
45 > #include "primitives/Atom.hpp"
46 > #include "primitives/DirectionalAtom.hpp"
47 > #include "primitives/RigidBody.hpp"
48 > #include "primitives/Molecule.hpp"
49 > #include "io/ifstrstream.hpp"
50  
51 + namespace OpenMD {
52  
53 < bool SelectionEvaluator::loadScript(const std::string& filename, const std::string& script) {
53 >
54 >  SelectionEvaluator::SelectionEvaluator(SimInfo* si)
55 >    : info(si), nameFinder(info), distanceFinder(info), hullFinder(info),
56 >      indexFinder(info),
57 >      isLoaded_(false){    
58 >      nStuntDouble = info->getNGlobalAtoms() + info->getNGlobalRigidBodies();
59 >    }            
60 >
61 >  bool SelectionEvaluator::loadScript(const std::string& filename,
62 >                                      const std::string& script) {
63 >    clearDefinitionsAndLoadPredefined();
64      this->filename = filename;
65      this->script = script;
66      if (! compiler.compile(filename, script)) {
67 <        error = true;
68 <        errorMessage = compiler.getErrorMessage();
69 <        return false;
67 >      error = true;
68 >      errorMessage = compiler.getErrorMessage();
69 >
70 >      sprintf( painCave.errMsg,
71 >               "SelectionCompiler Error: %s\n", errorMessage.c_str());
72 >      painCave.severity = OPENMD_ERROR;
73 >      painCave.isFatal = 1;
74 >      simError();
75 >      return false;
76      }
77  
78      pc = 0;
79      aatoken = compiler.getAatokenCompiled();
80      linenumbers = compiler.getLineNumbers();
81      lineIndices = compiler.getLineIndices();
82 +
83 +    std::vector<std::vector<Token> >::const_iterator i;  
84 +
85 +    isDynamic_ = false;
86 +    for (i = aatoken.begin(); i != aatoken.end(); ++i) {
87 +      if (containDynamicToken(*i)) {
88 +        isDynamic_ = true;
89 +        break;
90 +      }
91 +    }
92 +
93 +    isLoaded_ = true;
94      return true;
95 < }
95 >  }
96  
97 < void SelectionEvaluator::clearState() {
63 <    for (int i = scriptLevelMax; --i >= 0; )
64 <        stack[i].clear();
65 <    scriptLevel = 0;
97 >  void SelectionEvaluator::clearState() {
98      error = false;
99      errorMessage = "";
100 < }
100 >  }
101  
102 < bool SelectionEvaluator::loadScriptString(const std::string& script) {
102 >  bool SelectionEvaluator::loadScriptString(const std::string& script) {
103      clearState();
104      return loadScript("", script);
105 < }
105 >  }
106  
107 < bool SelectionEvaluator::loadScriptFile(const std::string& filename) {
107 >  bool SelectionEvaluator::loadScriptFile(const std::string& filename) {
108      clearState();
109      return loadScriptFileInternal(filename);
110 < }
110 >  }
111  
112 < bool SelectionEvaluator::loadScriptFileInternal(const  string & filename) {
113 <
114 < }
115 <
116 < void SelectionEvaluator::instructionDispatchLoop(){
117 <
112 >  bool SelectionEvaluator::loadScriptFileInternal(const std::string & filename) {
113 >    ifstrstream ifs(filename.c_str());
114 >    if (!ifs.is_open()) {
115 >      return false;
116 >    }
117 >    
118 >    const int bufferSize = 65535;
119 >    char buffer[bufferSize];
120 >    std::string script;
121 >    while(ifs.getline(buffer, bufferSize)) {
122 >      script += buffer;
123 >    }
124 >    return loadScript(filename, script);
125 >  }
126 >  
127 >  void SelectionEvaluator::instructionDispatchLoop(OpenMDBitSet& bs){
128 >    
129      while ( pc < aatoken.size()) {
130 <        statement = aatoken[pc++];
131 <        statementLength = statement.size();
132 <        Token token = statement[0];
133 <        switch (token.tok) {
134 <            case Token::define:
135 <                define();
136 <            break;
137 <            case Token::select:
138 <                select();
139 <            break;
140 <            default:
141 <                unrecognizedCommand(token);
142 <            return;
143 <        }
130 >      statement = aatoken[pc++];
131 >      statementLength = statement.size();
132 >      Token token = statement[0];
133 >      switch (token.tok) {
134 >      case Token::define:
135 >        define();
136 >        break;
137 >      case Token::select:
138 >        select(bs);
139 >        break;
140 >      default:
141 >        unrecognizedCommand(token);
142 >        return;
143 >      }
144      }
102 }
145  
146 <  BitSet SelectionEvaluator::expression(std::vector<Token>& code, int pcStart) {
105 <    int numberOfAtoms = viewer.getAtomCount();
106 <    BitSet bs;
107 <    BitSet[] stack = new BitSet[10];
108 <    int sp = 0;
146 >  }
147  
148 <    for (int pc = pcStart; ; ++pc) {
148 >  OpenMDBitSet SelectionEvaluator::expression(const std::vector<Token>& code,
149 >                                             int pcStart) {
150 >    OpenMDBitSet bs;
151 >    std::stack<OpenMDBitSet> stack;
152 >  
153 >    for (unsigned int pc = pcStart; pc < code.size(); ++pc) {
154        Token instruction = code[pc];
155  
156        switch (instruction.tok) {
# Line 116 | Line 159 | void SelectionEvaluator::instructionDispatchLoop(){
159        case Token::expressionEnd:
160          break;
161        case Token::all:
162 <        bs = stack[sp++] = new BitSet(numberOfAtoms);
163 <        for (int i = numberOfAtoms; --i >= 0; )
164 <          bs.set(i);
162 >        bs = OpenMDBitSet(nStuntDouble);
163 >        bs.setAll();
164 >        stack.push(bs);            
165          break;
166        case Token::none:
167 <        stack[sp++] = new BitSet();
167 >        bs = OpenMDBitSet(nStuntDouble);
168 >        stack.push(bs);            
169          break;
170        case Token::opOr:
171 <        bs = stack[--sp];
172 <        stack[sp-1].or(bs);
171 >        bs = stack.top();
172 >        stack.pop();
173 >        stack.top() |= bs;
174          break;
175        case Token::opAnd:
176 <        bs = stack[--sp];
177 <        stack[sp-1].and(bs);
176 >        bs = stack.top();
177 >        stack.pop();
178 >        stack.top() &= bs;
179          break;
180        case Token::opNot:
181 <        bs = stack[sp - 1];
136 <        notSet(bs);
181 >        stack.top().flip();
182          break;
183        case Token::within:
184 <        bs = stack[sp - 1];
140 <        stack[sp - 1] = new BitSet();
141 <        withinInstruction(instruction, bs, stack[sp - 1]);
184 >        withinInstruction(instruction, stack.top());
185          break;
186 <      case Token::selected:
187 <        stack[sp++] = copyBitSet(viewer.getSelectionSet());
186 >      case Token::hull:
187 >        stack.push(hull());
188          break;
189 +        //case Token::selected:
190 +        //  stack.push(getSelectionSet());
191 +        //  break;
192        case Token::name:
193 <
193 >        stack.push(nameInstruction(boost::any_cast<std::string>(instruction.value)));
194          break;
195 <      case  Token::index:
196 <        
195 >      case Token::index:
196 >        stack.push(indexInstruction(instruction.value));
197          break;
152      case Token::molname:  
153
154        break;
155      case Token::molindex:
156        break;
198        case Token::identifier:
199 <        stack[sp++] = lookupIdentifierValue((std::string)instruction.value);
199 >        stack.push(lookupValue(boost::any_cast<std::string>(instruction.value)));
200          break;
201        case Token::opLT:
202        case Token::opLE:
# Line 163 | Line 204 | void SelectionEvaluator::instructionDispatchLoop(){
204        case Token::opGT:
205        case Token::opEQ:
206        case Token::opNE:
207 <        bs = stack[sp++] = new BitSet();
167 <        comparatorInstruction(instruction, bs);
207 >        stack.push(comparatorInstruction(instruction));
208          break;
209        default:
210          unrecognizedExpression();
211        }
212      }
213 <    if (sp != 1)
213 >    if (stack.size() != 1)
214        evalError("atom expression compiler error - stack over/underflow");
215 <    return stack[0];
215 >          
216 >    return stack.top();
217    }
218  
219  
220  
221 <  void SelectionEvaluator::comparatorInstruction(Token instruction, BitSet bs) {
221 >  OpenMDBitSet SelectionEvaluator::comparatorInstruction(const Token& instruction) {
222      int comparator = instruction.tok;
223      int property = instruction.intValue;
224 <    float propertyValue = 0; // just for temperature
225 <    int comparisonValue = ((Integer)instruction.value).intValue();
226 <    int numberOfAtoms = viewer.getAtomCount();
227 <    Frame frame = viewer.getFrame();
228 <    for (int i = 0; i < numberOfAtoms; ++i) {
229 <      Atom atom = frame.getAtomAt(i);
230 <      switch (property) {
231 <      case Token::mass:
232 <        //propertyValue = atom.getAtomNumber();
233 <        break;
193 <      case Token::charge:
224 >    float comparisonValue = boost::any_cast<float>(instruction.value);
225 >    OpenMDBitSet bs(nStuntDouble);
226 >    bs.clearAll();
227 >    
228 >    SimInfo::MoleculeIterator mi;
229 >    Molecule* mol;
230 >    Molecule::AtomIterator ai;
231 >    Atom* atom;
232 >    Molecule::RigidBodyIterator rbIter;
233 >    RigidBody* rb;
234  
235 <        break;
236 <      case Token::dipole:
235 >    for (mol = info->beginMolecule(mi); mol != NULL;
236 >         mol = info->nextMolecule(mi)) {
237  
238 <        break;
239 <      default:
200 <        unrecognizedAtomProperty(property);
238 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
239 >        compareProperty(atom, bs, property, comparator, comparisonValue);
240        }
241 <      bool match = false;
242 <      switch (comparator) {
243 <      case Token::opLT:
244 <        match = propertyValue < comparisonValue;
206 <        break;
207 <      case Token::opLE:
208 <        match = propertyValue <= comparisonValue;
209 <        break;
210 <      case Token::opGE:
211 <        match = propertyValue >= comparisonValue;
212 <        break;
213 <      case Token::opGT:
214 <        match = propertyValue > comparisonValue;
215 <        break;
216 <      case Token::opEQ:
217 <        match = propertyValue == comparisonValue;
218 <        break;
219 <      case Token::opNE:
220 <        match = propertyValue != comparisonValue;
221 <        break;
241 >    
242 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
243 >           rb = mol->nextRigidBody(rbIter)) {
244 >        compareProperty(rb, bs, property, comparator, comparisonValue);
245        }
223      if (match)
224        bs.set(i);
246      }
247 +
248 +    return bs;
249    }
250  
251 < void SelectionEvaluator::withinInstruction(const Token& instruction, BitSet& bs, BitSet& bsResult)
252 <
253 <    boost::any withinSpec = instruction.value;
254 <    if (withinSpec.type() == typeid(float)){
255 <        withinDistance(boost::any_cast<float>(withinSpec), bs, bsResult);
256 <        return;
257 <    }
258 <    
259 <    evalError("Unrecognized within parameter:" + withinSpec);
260 < }
261 <
262 <  void SelectionEvaluator::withinDistance(float distance, const BitSet& bs, const BitSet& bsResult) {
263 <    Frame frame = viewer.getFrame();
264 <    for (int i = frame.getAtomCount(); --i >= 0; ) {
265 <      if (bs.get(i)) {
266 <        Atom atom = frame.getAtomAt(i);
267 <        AtomIterator iterWithin =
268 <          frame.getWithinIterator(atom, distance);
269 <        while (iterWithin.hasNext())
247 <          bsResult.set(iterWithin.next().getAtomIndex());
251 >  void SelectionEvaluator::compareProperty(StuntDouble* sd, OpenMDBitSet& bs,
252 >                                           int property, int comparator,
253 >                                           float comparisonValue) {
254 >    RealType propertyValue = 0.0;
255 >    switch (property) {
256 >    case Token::mass:
257 >      propertyValue = sd->getMass();
258 >      break;
259 >    case Token::charge:
260 >      if (sd->isAtom()){
261 >        Atom* atom = static_cast<Atom*>(sd);
262 >        propertyValue = getCharge(atom);
263 >      } else if (sd->isRigidBody()) {
264 >        RigidBody* rb = static_cast<RigidBody*>(sd);
265 >        RigidBody::AtomIterator ai;
266 >        Atom* atom;
267 >        for (atom = rb->beginAtom(ai); atom != NULL; atom = rb->nextAtom(ai)) {
268 >          propertyValue+=  getCharge(atom);
269 >        }
270        }
271 +      break;
272 +    case Token::x:
273 +      propertyValue = sd->getPos().x();
274 +      break;
275 +    case Token::y:
276 +      propertyValue = sd->getPos().y();
277 +      break;
278 +    case Token::z:
279 +      propertyValue = sd->getPos().z();
280 +      break;
281 +    case Token::r:
282 +      propertyValue = sd->getPos().length();
283 +      break;
284 +    default:
285 +      unrecognizedAtomProperty(property);
286      }
287 +        
288 +    bool match = false;
289 +    switch (comparator) {
290 +    case Token::opLT:
291 +      match = propertyValue < comparisonValue;
292 +      break;
293 +    case Token::opLE:
294 +      match = propertyValue <= comparisonValue;
295 +      break;
296 +    case Token::opGE:
297 +      match = propertyValue >= comparisonValue;
298 +      break;
299 +    case Token::opGT:
300 +      match = propertyValue > comparisonValue;
301 +      break;
302 +    case Token::opEQ:
303 +      match = propertyValue == comparisonValue;
304 +      break;
305 +    case Token::opNE:
306 +      match = propertyValue != comparisonValue;
307 +      break;
308 +    }
309 +    if (match)
310 +      bs.setBitOn(sd->getGlobalIndex());
311 +    
312    }
313  
314 +  void SelectionEvaluator::withinInstruction(const Token& instruction,
315 +                                             OpenMDBitSet& bs){
316 +    
317 +    boost::any withinSpec = instruction.value;
318 +    float distance;
319 +    if (withinSpec.type() == typeid(float)){
320 +      distance = boost::any_cast<float>(withinSpec);
321 +    } else if (withinSpec.type() == typeid(int)) {
322 +      distance = boost::any_cast<int>(withinSpec);    
323 +    } else {
324 +      evalError("casting error in withinInstruction");
325 +      bs.clearAll();
326 +    }
327 +    
328 +    bs = distanceFinder.find(bs, distance);            
329 +  }
330 +  
331    void SelectionEvaluator::define() {
332      assert(statement.size() >= 3);
333 <
333 >    
334      std::string variable = boost::any_cast<std::string>(statement[1].value);
335      
336 <    variables.insert(std::make_pair(variable, expression(statement, 2)));
336 >    variables.insert(VariablesType::value_type(variable,
337 >                                               expression(statement, 2)));
338    }
339 < }
339 >  
340  
341 < /** @todo */
342 < void SelectionEvaluator::predefine(const std::string& script) {
343 <
341 >  /** @todo */
342 >  void SelectionEvaluator::predefine(const std::string& script) {
343 >    
344      if (compiler.compile("#predefine", script)) {
345 <        std::vector<std::vector<Token> > aatoken = compiler.getAatokenCompiled();
346 <        if (aatoken.size() != 1) {
347 <            evalError("predefinition does not have exactly 1 command:"
348 <                + script);
349 <            return;
350 <        }
351 <        std::vector<Token> statement = aatoken[0];
352 <        if (statement.size() > 2) {
353 <            int tok = statement[1].tok;
354 <            if (tok == Token::identifier || (tok & Token::predefinedset) == Token::predefinedset) {
355 <                std::string variable = (std::string)statement[1].value;
356 <                variables.insert(std::make_pair(variable, statement));
357 <
358 <            } else {
359 <                evalError("invalid variable name:" + script);
360 <            }
361 <        }else {
362 <            evalError("bad predefinition length:" + script);
363 <        }
364 <
345 >      std::vector<std::vector<Token> > aatoken = compiler.getAatokenCompiled();
346 >      if (aatoken.size() != 1) {
347 >        evalError("predefinition does not have exactly 1 command:"
348 >                  + script);
349 >        return;
350 >      }
351 >      std::vector<Token> statement = aatoken[0];
352 >      if (statement.size() > 2) {
353 >        int tok = statement[1].tok;
354 >        if (tok == Token::identifier ||
355 >            (tok & Token::predefinedset) == Token::predefinedset) {
356 >          std::string variable = boost::any_cast<std::string>(statement[1].value);
357 >          variables.insert(VariablesType::value_type(variable, statement));
358 >          
359 >        } else {
360 >          evalError("invalid variable name:" + script);
361 >        }
362 >      }else {
363 >        evalError("bad predefinition length:" + script);
364 >      }      
365          
366      } else {
367 <        evalError("predefined set compile error:" + script +
368 <          "\ncompile error:" + compiler.getErrorMessage());
367 >      evalError("predefined set compile error:" + script +
368 >                "\ncompile error:" + compiler.getErrorMessage());
369      }
370 +  }
371  
372 < }
372 >  void SelectionEvaluator::select(OpenMDBitSet& bs){
373 >    bs = expression(statement, 1);
374 >  }
375 >  
376 >  OpenMDBitSet SelectionEvaluator::lookupValue(const std::string& variable){
377 >    
378 >    OpenMDBitSet bs(nStuntDouble);
379 >    std::map<std::string, boost::any>::iterator i = variables.find(variable);
380 >    
381 >    if (i != variables.end()) {
382 >      if (i->second.type() == typeid(OpenMDBitSet)) {
383 >        return boost::any_cast<OpenMDBitSet>(i->second);
384 >      } else if (i->second.type() ==  typeid(std::vector<Token>)){
385 >        bs = expression(boost::any_cast<std::vector<Token> >(i->second), 2);
386 >        i->second =  bs; /**@todo fixme */
387 >        return bs;
388 >      }
389 >    } else {
390 >      unrecognizedIdentifier(variable);
391 >    }
392 >    
393 >    return bs;
394 >  }
395 >  
396 >  OpenMDBitSet SelectionEvaluator::nameInstruction(const std::string& name){    
397 >    return nameFinder.match(name);    
398 >  }    
399  
400 < void SelectionEvaluator::select(){
401 <    viewer.setSelectionSet(expression(statement, 1));
402 < }
400 >  bool SelectionEvaluator::containDynamicToken(const std::vector<Token>& tokens){
401 >    std::vector<Token>::const_iterator i;
402 >    for (i = tokens.begin(); i != tokens.end(); ++i) {
403 >      if (i->tok & Token::dynamic) {
404 >        return true;
405 >      }
406 >    }
407 >    
408 >    return false;
409 >  }    
410  
411 < BitSet SelectionEvaluator::lookupValue(const std::string& variable){
411 >  void SelectionEvaluator::clearDefinitionsAndLoadPredefined() {
412 >    variables.clear();
413 >    //load predefine
414 >    //predefine();
415 >  }
416  
417 <    std::map<std::string, boost::any>::iterator i = variables.find(variable);
417 >  OpenMDBitSet SelectionEvaluator::evaluate() {
418 >    OpenMDBitSet bs(nStuntDouble);
419 >    if (isLoaded_) {
420 >      pc = 0;
421 >      instructionDispatchLoop(bs);
422 >    }
423  
424 <    if (i != variables.end()) {
425 <        if (i->second.type() == typeid(BitSet)) {
426 <            return boost::any_cast<BitSet>(i->second);
427 <        } else if (i->second.type() ==  typeid(std::vector<Token>)){
428 <            BitSet bs = expression(boost::any_cast(i->second), 2);
429 <            i->second =  bs; /**@todo fixme */
430 <            return bs;
431 <        }
424 >    return bs;
425 >  }
426 >
427 >  OpenMDBitSet SelectionEvaluator::indexInstruction(const boost::any& value) {
428 >    OpenMDBitSet bs(nStuntDouble);
429 >
430 >    if (value.type() == typeid(int)) {
431 >      int index = boost::any_cast<int>(value);
432 >      if (index < 0 || index >= bs.size()) {
433 >        invalidIndex(index);
434 >      } else {
435 >        bs = indexFinder.find(index);
436 >      }
437 >    } else if (value.type() == typeid(std::pair<int, int>)) {
438 >      std::pair<int, int> indexRange= boost::any_cast<std::pair<int, int> >(value);
439 >      assert(indexRange.first <= indexRange.second);
440 >      if (indexRange.first < 0 || indexRange.second >= bs.size()) {
441 >        invalidIndexRange(indexRange);
442 >      }else {
443 >        bs = indexFinder.find(indexRange.first, indexRange.second);
444 >      }
445      }
446  
447 < }
447 >    return bs;
448 >  }
449  
450 +
451 +  OpenMDBitSet SelectionEvaluator::hull() {
452 +    OpenMDBitSet bs(nStuntDouble);
453 +    
454 +    bs = hullFinder.findHull();
455 +    
456 +    return bs;
457 +  }
458 +
459 +
460 +
461 +  RealType SelectionEvaluator::getCharge(Atom* atom) {
462 +    RealType charge =0.0;
463 +    AtomType* atomType = atom->getAtomType();
464 +    if (atomType->isCharge()) {
465 +      GenericData* data = atomType->getPropertyByName("Charge");
466 +      if (data != NULL) {
467 +        DoubleGenericData* doubleData= dynamic_cast<DoubleGenericData*>(data);
468 +
469 +        if (doubleData != NULL) {
470 +          charge = doubleData->getData();
471 +
472 +        } else {
473 +          sprintf( painCave.errMsg,
474 +                   "Can not cast GenericData to DoubleGenericData\n");
475 +          painCave.severity = OPENMD_ERROR;
476 +          painCave.isFatal = 1;
477 +          simError();          
478 +        }
479 +      }
480 +    }
481 +
482 +    return charge;
483 +  }
484 +
485   }

Comparing trunk/src/selection/SelectionEvaluator.cpp (property svn:keywords):
Revision 282 by tim, Thu Feb 3 14:04:59 2005 UTC vs.
Revision 1782 by gezelter, Wed Aug 22 02:28:28 2012 UTC

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