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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
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Comparing trunk/OOPSE/libmdtools/SimInfo.cpp (file contents):
Revision 378 by mmeineke, Fri Mar 21 17:42:12 2003 UTC vs.
Revision 1212 by chrisfen, Tue Jun 1 17:15:43 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
2 < #include <cstring>
1 > #include <stdlib.h>
2 > #include <string.h>
3 > #include <math.h>
4  
5 + #include <iostream>
6 + using namespace std;
7  
8   #include "SimInfo.hpp"
9   #define __C
# Line 9 | Line 12
12  
13   #include "fortranWrappers.hpp"
14  
15 + #include "MatVec3.h"
16 +
17 + #ifdef IS_MPI
18 + #include "mpiSimulation.hpp"
19 + #endif
20 +
21 + inline double roundMe( double x ){
22 +  return ( x >= 0 ) ? floor( x + 0.5 ) : ceil( x - 0.5 );
23 + }
24 +          
25 + inline double min( double a, double b ){
26 +  return (a < b ) ? a : b;
27 + }
28 +
29   SimInfo* currentInfo;
30  
31   SimInfo::SimInfo(){
32 <  excludes = NULL;
32 >
33    n_constraints = 0;
34 +  nZconstraints = 0;
35    n_oriented = 0;
36    n_dipoles = 0;
37 +  ndf = 0;
38 +  ndfRaw = 0;
39 +  nZconstraints = 0;
40    the_integrator = NULL;
41    setTemp = 0;
42    thermalTime = 0.0;
43 +  currentTime = 0.0;
44 +  rCut = 0.0;
45 +  rSw = 0.0;
46  
47 +  haveRcut = 0;
48 +  haveRsw = 0;
49 +  boxIsInit = 0;
50 +  
51 +  resetTime = 1e99;
52 +
53 +  orthoRhombic = 0;
54 +  orthoTolerance = 1E-6;
55 +  useInitXSstate = true;
56 +
57    usePBC = 0;
58    useLJ = 0;
59    useSticky = 0;
60 <  useDipole = 0;
60 >  useCharges = 0;
61 >  useDipoles = 0;
62    useReactionField = 0;
63    useGB = 0;
64    useEAM = 0;
65 +  useSolidThermInt = 0;
66 +  useLiquidThermInt = 0;
67  
68 +  haveCutoffGroups = false;
69  
70 +  excludes = Exclude::Instance();
71  
72 +  myConfiguration = new SimState();
73 +
74 +  has_minimizer = false;
75 +  the_minimizer =NULL;
76 +
77 +  ngroup = 0;
78 +
79    wrapMeSimInfo( this );
80 + }
81 +
82 +
83 + SimInfo::~SimInfo(){
84 +
85 +  delete myConfiguration;
86 +
87 +  map<string, GenericData*>::iterator i;
88 +  
89 +  for(i = properties.begin(); i != properties.end(); i++)
90 +    delete (*i).second;
91 +  
92 + }
93 +
94 + void SimInfo::setBox(double newBox[3]) {
95 +  
96 +  int i, j;
97 +  double tempMat[3][3];
98 +
99 +  for(i=0; i<3; i++)
100 +    for (j=0; j<3; j++) tempMat[i][j] = 0.0;;
101 +
102 +  tempMat[0][0] = newBox[0];
103 +  tempMat[1][1] = newBox[1];
104 +  tempMat[2][2] = newBox[2];
105 +
106 +  setBoxM( tempMat );
107 +
108 + }
109 +
110 + void SimInfo::setBoxM( double theBox[3][3] ){
111 +  
112 +  int i, j;
113 +  double FortranHmat[9]; // to preserve compatibility with Fortran the
114 +                         // ordering in the array is as follows:
115 +                         // [ 0 3 6 ]
116 +                         // [ 1 4 7 ]
117 +                         // [ 2 5 8 ]
118 +  double FortranHmatInv[9]; // the inverted Hmat (for Fortran);
119 +
120 +  if( !boxIsInit ) boxIsInit = 1;
121 +
122 +  for(i=0; i < 3; i++)
123 +    for (j=0; j < 3; j++) Hmat[i][j] = theBox[i][j];
124 +  
125 +  calcBoxL();
126 +  calcHmatInv();
127 +
128 +  for(i=0; i < 3; i++) {
129 +    for (j=0; j < 3; j++) {
130 +      FortranHmat[3*j + i] = Hmat[i][j];
131 +      FortranHmatInv[3*j + i] = HmatInv[i][j];
132 +    }
133 +  }
134 +
135 +  setFortranBoxSize(FortranHmat, FortranHmatInv, &orthoRhombic);
136 +
137 + }
138 +
139 +
140 + void SimInfo::getBoxM (double theBox[3][3]) {
141 +
142 +  int i, j;
143 +  for(i=0; i<3; i++)
144 +    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j];
145 + }
146 +
147 +
148 + void SimInfo::scaleBox(double scale) {
149 +  double theBox[3][3];
150 +  int i, j;
151 +
152 +  // cerr << "Scaling box by " << scale << "\n";
153 +
154 +  for(i=0; i<3; i++)
155 +    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j]*scale;
156 +
157 +  setBoxM(theBox);
158 +
159 + }
160 +
161 + void SimInfo::calcHmatInv( void ) {
162 +  
163 +  int oldOrtho;
164 +  int i,j;
165 +  double smallDiag;
166 +  double tol;
167 +  double sanity[3][3];
168 +
169 +  invertMat3( Hmat, HmatInv );
170 +
171 +  // check to see if Hmat is orthorhombic
172 +  
173 +  oldOrtho = orthoRhombic;
174 +
175 +  smallDiag = fabs(Hmat[0][0]);
176 +  if(smallDiag > fabs(Hmat[1][1])) smallDiag = fabs(Hmat[1][1]);
177 +  if(smallDiag > fabs(Hmat[2][2])) smallDiag = fabs(Hmat[2][2]);
178 +  tol = smallDiag * orthoTolerance;
179 +
180 +  orthoRhombic = 1;
181 +  
182 +  for (i = 0; i < 3; i++ ) {
183 +    for (j = 0 ; j < 3; j++) {
184 +      if (i != j) {
185 +        if (orthoRhombic) {
186 +          if ( fabs(Hmat[i][j]) >= tol) orthoRhombic = 0;
187 +        }        
188 +      }
189 +    }
190 +  }
191 +
192 +  if( oldOrtho != orthoRhombic ){
193 +    
194 +    if( orthoRhombic ){
195 +      sprintf( painCave.errMsg,
196 +               "OOPSE is switching from the default Non-Orthorhombic\n"
197 +               "\tto the faster Orthorhombic periodic boundary computations.\n"
198 +               "\tThis is usually a good thing, but if you wan't the\n"
199 +               "\tNon-Orthorhombic computations, make the orthoBoxTolerance\n"
200 +               "\tvariable ( currently set to %G ) smaller.\n",
201 +               orthoTolerance);
202 +      simError();
203 +    }
204 +    else {
205 +      sprintf( painCave.errMsg,
206 +               "OOPSE is switching from the faster Orthorhombic to the more\n"
207 +               "\tflexible Non-Orthorhombic periodic boundary computations.\n"
208 +               "\tThis is usually because the box has deformed under\n"
209 +               "\tNPTf integration. If you wan't to live on the edge with\n"
210 +               "\tthe Orthorhombic computations, make the orthoBoxTolerance\n"
211 +               "\tvariable ( currently set to %G ) larger.\n",
212 +               orthoTolerance);
213 +      simError();
214 +    }
215 +  }
216 + }
217 +
218 + void SimInfo::calcBoxL( void ){
219 +
220 +  double dx, dy, dz, dsq;
221 +
222 +  // boxVol = Determinant of Hmat
223 +
224 +  boxVol = matDet3( Hmat );
225 +
226 +  // boxLx
227 +  
228 +  dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
229 +  dsq = dx*dx + dy*dy + dz*dz;
230 +  boxL[0] = sqrt( dsq );
231 +  //maxCutoff = 0.5 * boxL[0];
232 +
233 +  // boxLy
234 +  
235 +  dx = Hmat[0][1]; dy = Hmat[1][1]; dz = Hmat[2][1];
236 +  dsq = dx*dx + dy*dy + dz*dz;
237 +  boxL[1] = sqrt( dsq );
238 +  //if( (0.5 * boxL[1]) < maxCutoff ) maxCutoff = 0.5 * boxL[1];
239 +
240 +
241 +  // boxLz
242 +  
243 +  dx = Hmat[0][2]; dy = Hmat[1][2]; dz = Hmat[2][2];
244 +  dsq = dx*dx + dy*dy + dz*dz;
245 +  boxL[2] = sqrt( dsq );
246 +  //if( (0.5 * boxL[2]) < maxCutoff ) maxCutoff = 0.5 * boxL[2];
247 +
248 +  //calculate the max cutoff
249 +  maxCutoff =  calcMaxCutOff();
250 +  
251 +  checkCutOffs();
252 +
253 + }
254 +
255 +
256 + double SimInfo::calcMaxCutOff(){
257 +
258 +  double ri[3], rj[3], rk[3];
259 +  double rij[3], rjk[3], rki[3];
260 +  double minDist;
261 +
262 +  ri[0] = Hmat[0][0];
263 +  ri[1] = Hmat[1][0];
264 +  ri[2] = Hmat[2][0];
265 +
266 +  rj[0] = Hmat[0][1];
267 +  rj[1] = Hmat[1][1];
268 +  rj[2] = Hmat[2][1];
269 +
270 +  rk[0] = Hmat[0][2];
271 +  rk[1] = Hmat[1][2];
272 +  rk[2] = Hmat[2][2];
273 +    
274 +  crossProduct3(ri, rj, rij);
275 +  distXY = dotProduct3(rk,rij) / norm3(rij);
276 +
277 +  crossProduct3(rj,rk, rjk);
278 +  distYZ = dotProduct3(ri,rjk) / norm3(rjk);
279 +
280 +  crossProduct3(rk,ri, rki);
281 +  distZX = dotProduct3(rj,rki) / norm3(rki);
282 +
283 +  minDist = min(min(distXY, distYZ), distZX);
284 +  return minDist/2;
285 +  
286 + }
287 +
288 + void SimInfo::wrapVector( double thePos[3] ){
289 +
290 +  int i;
291 +  double scaled[3];
292 +
293 +  if( !orthoRhombic ){
294 +    // calc the scaled coordinates.
295 +  
296 +
297 +    matVecMul3(HmatInv, thePos, scaled);
298 +    
299 +    for(i=0; i<3; i++)
300 +      scaled[i] -= roundMe(scaled[i]);
301 +    
302 +    // calc the wrapped real coordinates from the wrapped scaled coordinates
303 +    
304 +    matVecMul3(Hmat, scaled, thePos);
305 +
306 +  }
307 +  else{
308 +    // calc the scaled coordinates.
309 +    
310 +    for(i=0; i<3; i++)
311 +      scaled[i] = thePos[i]*HmatInv[i][i];
312 +    
313 +    // wrap the scaled coordinates
314 +    
315 +    for(i=0; i<3; i++)
316 +      scaled[i] -= roundMe(scaled[i]);
317 +    
318 +    // calc the wrapped real coordinates from the wrapped scaled coordinates
319 +    
320 +    for(i=0; i<3; i++)
321 +      thePos[i] = scaled[i]*Hmat[i][i];
322 +  }
323 +    
324 + }
325 +
326 +
327 + int SimInfo::getNDF(){
328 +  int ndf_local;
329 +
330 +  ndf_local = 0;
331 +  
332 +  for(int i = 0; i < integrableObjects.size(); i++){
333 +    ndf_local += 3;
334 +    if (integrableObjects[i]->isDirectional()) {
335 +      if (integrableObjects[i]->isLinear())
336 +        ndf_local += 2;
337 +      else
338 +        ndf_local += 3;
339 +    }
340 +  }
341 +
342 +  // n_constraints is local, so subtract them on each processor:
343 +
344 +  ndf_local -= n_constraints;
345 +
346 + #ifdef IS_MPI
347 +  MPI_Allreduce(&ndf_local,&ndf,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
348 + #else
349 +  ndf = ndf_local;
350 + #endif
351 +
352 +  // nZconstraints is global, as are the 3 COM translations for the
353 +  // entire system:
354 +
355 +  ndf = ndf - 3 - nZconstraints;
356 +
357 +  return ndf;
358   }
359  
360 + int SimInfo::getNDFraw() {
361 +  int ndfRaw_local;
362 +
363 +  // Raw degrees of freedom that we have to set
364 +  ndfRaw_local = 0;
365 +
366 +  for(int i = 0; i < integrableObjects.size(); i++){
367 +    ndfRaw_local += 3;
368 +    if (integrableObjects[i]->isDirectional()) {
369 +       if (integrableObjects[i]->isLinear())
370 +        ndfRaw_local += 2;
371 +      else
372 +        ndfRaw_local += 3;
373 +    }
374 +  }
375 +    
376 + #ifdef IS_MPI
377 +  MPI_Allreduce(&ndfRaw_local,&ndfRaw,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
378 + #else
379 +  ndfRaw = ndfRaw_local;
380 + #endif
381 +
382 +  return ndfRaw;
383 + }
384 +
385 + int SimInfo::getNDFtranslational() {
386 +  int ndfTrans_local;
387 +
388 +  ndfTrans_local = 3 * integrableObjects.size() - n_constraints;
389 +
390 +
391 + #ifdef IS_MPI
392 +  MPI_Allreduce(&ndfTrans_local,&ndfTrans,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
393 + #else
394 +  ndfTrans = ndfTrans_local;
395 + #endif
396 +
397 +  ndfTrans = ndfTrans - 3 - nZconstraints;
398 +
399 +  return ndfTrans;
400 + }
401 +
402 + int SimInfo::getTotIntegrableObjects() {
403 +  int nObjs_local;
404 +  int nObjs;
405 +
406 +  nObjs_local =  integrableObjects.size();
407 +
408 +
409 + #ifdef IS_MPI
410 +  MPI_Allreduce(&nObjs_local,&nObjs,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
411 + #else
412 +  nObjs = nObjs_local;
413 + #endif
414 +
415 +
416 +  return nObjs;
417 + }
418 +
419   void SimInfo::refreshSim(){
420  
421    simtype fInfo;
422    int isError;
423 +  int n_global;
424 +  int* excl;
425  
426 <  fInfo.box[0] = box_x;
42 <  fInfo.box[1] = box_y;
43 <  fInfo.box[2] = box_z;
426 >  fInfo.dielect = 0.0;
427  
428 <  fInfo.rlist = rList;
429 <  fInfo.rcut = rCut;
430 <  fInfo.rrf = rRF;
48 <  fInfo.rt = 0.95 * rRF;
49 <  fInfo.dielect = dielectric;
50 <
428 >  if( useDipoles ){
429 >    if( useReactionField )fInfo.dielect = dielectric;
430 >  }
431  
432    fInfo.SIM_uses_PBC = usePBC;
433 +  //fInfo.SIM_uses_LJ = 0;
434    fInfo.SIM_uses_LJ = useLJ;
435    fInfo.SIM_uses_sticky = useSticky;
436 <  fInfo.SIM_uses_dipoles = useDipole;
436 >  //fInfo.SIM_uses_sticky = 0;
437 >  fInfo.SIM_uses_charges = useCharges;
438 >  fInfo.SIM_uses_dipoles = useDipoles;
439 >  //fInfo.SIM_uses_dipoles = 0;
440    fInfo.SIM_uses_RF = useReactionField;
441 +  //fInfo.SIM_uses_RF = 0;
442    fInfo.SIM_uses_GB = useGB;
443    fInfo.SIM_uses_EAM = useEAM;
444  
445 <
445 >  n_exclude = excludes->getSize();
446 >  excl = excludes->getFortranArray();
447 >  
448 > #ifdef IS_MPI
449 >  n_global = mpiSim->getNAtomsGlobal();
450 > #else
451 >  n_global = n_atoms;
452 > #endif
453 >  
454    isError = 0;
455 <
456 <  fInfo;
457 <  n_atoms;
458 <  identArray;
459 <  n_exclude;
460 <  excludes;
461 <  nGlobalExcludes;
462 <  globalExcludes;
463 <  isError;
71 <
72 <  setFsimulation( &fInfo, &n_atoms, identArray, &n_exclude, excludes, &nGlobalExcludes, globalExcludes, &isError );
73 <
455 >  
456 >  getFortranGroupArray(this, mfact, ngroup, groupList, groupStart);
457 >  //it may not be a good idea to pass the address of first element in vector
458 >  //since c++ standard does not require vector to be stored continuously in meomory
459 >  //Most of the compilers will organize the memory of vector continuously
460 >  setFsimulation( &fInfo, &n_global, &n_atoms, identArray, &n_exclude, excl,
461 >                  &nGlobalExcludes, globalExcludes, molMembershipArray,
462 >                  &mfact[0], &ngroup, &groupList[0], &groupStart[0], &isError);
463 >  
464    if( isError ){
465 <
465 >    
466      sprintf( painCave.errMsg,
467 <             "There was an error setting the simulation information in fortran.\n" );
467 >             "There was an error setting the simulation information in fortran.\n" );
468      painCave.isFatal = 1;
469      simError();
470    }
471 <
471 >  
472   #ifdef IS_MPI
473    sprintf( checkPointMsg,
474             "succesfully sent the simulation information to fortran.\n");
475    MPIcheckPoint();
476   #endif // is_mpi
477 +  
478 +  this->ndf = this->getNDF();
479 +  this->ndfRaw = this->getNDFraw();
480 +  this->ndfTrans = this->getNDFtranslational();
481   }
482  
483 + void SimInfo::setDefaultRcut( double theRcut ){
484 +  
485 +  haveRcut = 1;
486 +  rCut = theRcut;
487 +  rList = rCut + 1.0;
488 +  
489 +  notifyFortranCutOffs( &rCut, &rSw, &rList );
490 + }
491 +
492 + void SimInfo::setDefaultRcut( double theRcut, double theRsw ){
493 +
494 +  rSw = theRsw;
495 +  setDefaultRcut( theRcut );
496 + }
497 +
498 +
499 + void SimInfo::checkCutOffs( void ){
500 +  
501 +  if( boxIsInit ){
502 +    
503 +    //we need to check cutOffs against the box
504 +    
505 +    if( rCut > maxCutoff ){
506 +      sprintf( painCave.errMsg,
507 +               "cutoffRadius is too large for the current periodic box.\n"
508 +               "\tCurrent Value of cutoffRadius = %G at time %G\n "
509 +               "\tThis is larger than half of at least one of the\n"
510 +               "\tperiodic box vectors.  Right now, the Box matrix is:\n"
511 +               "\n"
512 +               "\t[ %G %G %G ]\n"
513 +               "\t[ %G %G %G ]\n"
514 +               "\t[ %G %G %G ]\n",
515 +               rCut, currentTime,
516 +               Hmat[0][0], Hmat[0][1], Hmat[0][2],
517 +               Hmat[1][0], Hmat[1][1], Hmat[1][2],
518 +               Hmat[2][0], Hmat[2][1], Hmat[2][2]);
519 +      painCave.isFatal = 1;
520 +      simError();
521 +    }    
522 +  } else {
523 +    // initialize this stuff before using it, OK?
524 +    sprintf( painCave.errMsg,
525 +             "Trying to check cutoffs without a box.\n"
526 +             "\tOOPSE should have better programmers than that.\n" );
527 +    painCave.isFatal = 1;
528 +    simError();      
529 +  }
530 +  
531 + }
532 +
533 + void SimInfo::addProperty(GenericData* prop){
534 +
535 +  map<string, GenericData*>::iterator result;
536 +  result = properties.find(prop->getID());
537 +  
538 +  //we can't simply use  properties[prop->getID()] = prop,
539 +  //it will cause memory leak if we already contain a propery which has the same name of prop
540 +  
541 +  if(result != properties.end()){
542 +    
543 +    delete (*result).second;
544 +    (*result).second = prop;
545 +      
546 +  }
547 +  else{
548 +
549 +    properties[prop->getID()] = prop;
550 +
551 +  }
552 +    
553 + }
554 +
555 + GenericData* SimInfo::getProperty(const string& propName){
556 +
557 +  map<string, GenericData*>::iterator result;
558 +  
559 +  //string lowerCaseName = ();
560 +  
561 +  result = properties.find(propName);
562 +  
563 +  if(result != properties.end())
564 +    return (*result).second;  
565 +  else  
566 +    return NULL;  
567 + }
568 +
569 +
570 + void getFortranGroupArray(SimInfo* info, vector<double>& mfact, int& ngroup,
571 +                          vector<int>& groupList, vector<int>& groupStart){
572 +  Molecule* myMols;
573 +  Atom** myAtoms;
574 +  int numAtom;
575 +  int curIndex;
576 +  double mtot;
577 +  int numMol;
578 +  int numCutoffGroups;
579 +  CutoffGroup* myCutoffGroup;
580 +  vector<CutoffGroup*>::iterator iterCutoff;
581 +  Atom* cutoffAtom;
582 +  vector<Atom*>::iterator iterAtom;
583 +  int atomIndex;
584 +  double totalMass;
585 +  
586 +  mfact.clear();
587 +  groupList.clear();
588 +  groupStart.clear();
589 +  
590 +  //Be careful, fortran array begin at 1
591 +  curIndex = 1;
592 +
593 +  myMols = info->molecules;
594 +  numMol = info->n_mol;
595 +  for(int i  = 0; i < numMol; i++){
596 +    numCutoffGroups = myMols[i].getNCutoffGroups();
597 +    for(myCutoffGroup =myMols[i].beginCutoffGroup(iterCutoff); myCutoffGroup != NULL;
598 +                                                  myCutoffGroup =myMols[i].nextCutoffGroup(iterCutoff)){
599 +
600 +      totalMass = myCutoffGroup->getMass();
601 +      
602 +      for(cutoffAtom = myCutoffGroup->beginAtom(iterAtom); cutoffAtom != NULL;
603 +                                           cutoffAtom = myCutoffGroup->nextAtom(iterAtom)){
604 +        mfact.push_back(cutoffAtom->getMass()/totalMass);
605 + #ifdef IS_MPI        
606 +        groupList.push_back(cutoffAtom->getGlobalIndex() + 1);
607 + #else
608 +        groupList.push_back(cutoffAtom->getIndex() + 1);
609 + #endif
610 +      }  
611 +                              
612 +      groupStart.push_back(curIndex);
613 +      curIndex += myCutoffGroup->getNumAtom();
614 +
615 +    }//end for(myCutoffGroup =myMols[i].beginCutoffGroup(iterCutoff))
616 +
617 +  }//end for(int i  = 0; i < numMol; i++)
618 +
619 +
620 +  //The last cutoff group need more element to indicate the end of the cutoff
621 +  ngroup = groupStart.size();
622 + }

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