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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
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Comparing trunk/OOPSE/libmdtools/SimInfo.cpp (file contents):
Revision 618 by mmeineke, Tue Jul 15 21:34:56 2003 UTC vs.
Revision 999 by chrisfen, Fri Jan 30 15:01:09 2004 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
2 < #include <cstring>
3 < #include <cmath>
1 > #include <stdlib.h>
2 > #include <string.h>
3 > #include <math.h>
4  
5   #include <iostream>
6   using namespace std;
# Line 20 | Line 20 | inline double roundMe( double x ){
20    return ( x >= 0 ) ? floor( x + 0.5 ) : ceil( x - 0.5 );
21   }
22            
23 + inline double min( double a, double b ){
24 +  return (a < b ) ? a : b;
25 + }
26  
27   SimInfo* currentInfo;
28  
29   SimInfo::SimInfo(){
30    excludes = NULL;
31    n_constraints = 0;
32 +  nZconstraints = 0;
33    n_oriented = 0;
34    n_dipoles = 0;
35    ndf = 0;
36    ndfRaw = 0;
37 +  nZconstraints = 0;
38    the_integrator = NULL;
39    setTemp = 0;
40    thermalTime = 0.0;
41 +  currentTime = 0.0;
42    rCut = 0.0;
43    ecr = 0.0;
44 +  est = 0.0;
45  
46 +  haveRcut = 0;
47 +  haveEcr = 0;
48 +  boxIsInit = 0;
49 +  
50 +  resetTime = 1e99;
51 +
52 +  orthoTolerance = 1E-6;
53 +  useInitXSstate = true;
54 +
55    usePBC = 0;
56    useLJ = 0;
57    useSticky = 0;
58 <  useDipole = 0;
58 >  useCharges = 0;
59 >  useDipoles = 0;
60    useReactionField = 0;
61    useGB = 0;
62    useEAM = 0;
63  
64 +  myConfiguration = new SimState();
65 +
66    wrapMeSimInfo( this );
67   }
68  
69 +
70 + SimInfo::~SimInfo(){
71 +
72 +  delete myConfiguration;
73 +
74 +  map<string, GenericData*>::iterator i;
75 +  
76 +  for(i = properties.begin(); i != properties.end(); i++)
77 +    delete (*i).second;
78 +    
79 + }
80 +
81   void SimInfo::setBox(double newBox[3]) {
82    
83    int i, j;
# Line 65 | Line 96 | void SimInfo::setBoxM( double theBox[3][3] ){
96  
97   void SimInfo::setBoxM( double theBox[3][3] ){
98    
99 <  int i, j, status;
69 <  double smallestBoxL, maxCutoff;
99 >  int i, j;
100    double FortranHmat[9]; // to preserve compatibility with Fortran the
101                           // ordering in the array is as follows:
102                           // [ 0 3 6 ]
# Line 74 | Line 104 | void SimInfo::setBoxM( double theBox[3][3] ){
104                           // [ 2 5 8 ]
105    double FortranHmatInv[9]; // the inverted Hmat (for Fortran);
106  
107 +  if( !boxIsInit ) boxIsInit = 1;
108  
109    for(i=0; i < 3; i++)
110      for (j=0; j < 3; j++) Hmat[i][j] = theBox[i][j];
111    
81 –  //  cerr
82 –  // << "setting Hmat ->\n"
83 –  // << "[ " << Hmat[0][0] << ", " << Hmat[0][1] << ", " << Hmat[0][2] << " ]\n"
84 –  // << "[ " << Hmat[1][0] << ", " << Hmat[1][1] << ", " << Hmat[1][2] << " ]\n"
85 –  // << "[ " << Hmat[2][0] << ", " << Hmat[2][1] << ", " << Hmat[2][2] << " ]\n";
86 –
112    calcBoxL();
113    calcHmatInv();
114  
# Line 96 | Line 121 | void SimInfo::setBoxM( double theBox[3][3] ){
121  
122    setFortranBoxSize(FortranHmat, FortranHmatInv, &orthoRhombic);
123  
99 –  smallestBoxL = boxLx;
100 –  if (boxLy < smallestBoxL) smallestBoxL = boxLy;
101 –  if (boxLz < smallestBoxL) smallestBoxL = boxLz;
102 –
103 –  maxCutoff = smallestBoxL / 2.0;
104 –
105 –  if (rList > maxCutoff) {
106 –    sprintf( painCave.errMsg,
107 –             "New Box size is forcing neighborlist radius down to %lf\n",
108 –             maxCutoff );
109 –    painCave.isFatal = 0;
110 –    simError();
111 –
112 –    rList = maxCutoff;
113 –
114 –    sprintf( painCave.errMsg,
115 –             "New Box size is forcing cutoff radius down to %lf\n",
116 –             maxCutoff - 1.0 );
117 –    painCave.isFatal = 0;
118 –    simError();
119 –
120 –    rCut = rList - 1.0;
121 –
122 –    // list radius changed so we have to refresh the simulation structure.
123 –    refreshSim();
124 –  }
125 –
126 –  if( ecr > maxCutoff ){
127 –
128 –    sprintf( painCave.errMsg,
129 –             "New Box size is forcing electrostatic cutoff radius "
130 –             "down to %lf\n",
131 –             maxCutoff );
132 –    painCave.isFatal = 0;
133 –    simError();
134 –
135 –    ecr = maxCutoff;
136 –    est = 0.05 * ecr;
137 –
138 –    refreshSim();
139 –  }
140 –    
124   }
125  
126  
# Line 164 | Line 147 | void SimInfo::calcHmatInv( void ) {
147  
148   void SimInfo::calcHmatInv( void ) {
149    
150 +  int oldOrtho;
151    int i,j;
152    double smallDiag;
153    double tol;
# Line 171 | Line 155 | void SimInfo::calcHmatInv( void ) {
155  
156    invertMat3( Hmat, HmatInv );
157  
174 –  // Check the inverse to make sure it is sane:
175 –
176 –  matMul3( Hmat, HmatInv, sanity );
177 –    
158    // check to see if Hmat is orthorhombic
159    
160 <  smallDiag = Hmat[0][0];
181 <  if(smallDiag > Hmat[1][1]) smallDiag = Hmat[1][1];
182 <  if(smallDiag > Hmat[2][2]) smallDiag = Hmat[2][2];
183 <  tol = smallDiag * 1E-6;
160 >  oldOrtho = orthoRhombic;
161  
162 +  smallDiag = fabs(Hmat[0][0]);
163 +  if(smallDiag > fabs(Hmat[1][1])) smallDiag = fabs(Hmat[1][1]);
164 +  if(smallDiag > fabs(Hmat[2][2])) smallDiag = fabs(Hmat[2][2]);
165 +  tol = smallDiag * orthoTolerance;
166 +
167    orthoRhombic = 1;
168    
169    for (i = 0; i < 3; i++ ) {
170      for (j = 0 ; j < 3; j++) {
171        if (i != j) {
172          if (orthoRhombic) {
173 <          if (Hmat[i][j] >= tol) orthoRhombic = 0;
173 >          if ( fabs(Hmat[i][j]) >= tol) orthoRhombic = 0;
174          }        
175        }
176      }
177    }
178 +
179 +  if( oldOrtho != orthoRhombic ){
180 +    
181 +    if( orthoRhombic ){
182 +      sprintf( painCave.errMsg,
183 +               "Hmat is switching from Non-Orthorhombic to Orthorhombic Box.\n"
184 +               "\tIf this is a bad thing, change the orthoBoxTolerance\n"
185 +               "\tvariable ( currently set to %G ).\n",
186 +               orthoTolerance);
187 +      simError();
188 +    }
189 +    else {
190 +      sprintf( painCave.errMsg,
191 +               "Hmat is switching from Orthorhombic to Non-Orthorhombic Box.\n"
192 +               "\tIf this is a bad thing, change the orthoBoxTolerance\n"
193 +               "\tvariable ( currently set to %G ).\n",
194 +               orthoTolerance);
195 +      simError();
196 +    }
197 +  }
198   }
199  
200   double SimInfo::matDet3(double a[3][3]) {
# Line 299 | Line 301 | void SimInfo::printMat9(double A[9] ){
301              << "[ " << A[6] << ", " << A[7] << ", " << A[8] << " ]\n";
302   }
303  
304 +
305 + void SimInfo::crossProduct3(double a[3],double b[3], double out[3]){
306 +
307 +      out[0] = a[1] * b[2] - a[2] * b[1];
308 +      out[1] = a[2] * b[0] - a[0] * b[2] ;
309 +      out[2] = a[0] * b[1] - a[1] * b[0];
310 +      
311 + }
312 +
313 + double SimInfo::dotProduct3(double a[3], double b[3]){
314 +  return a[0]*b[0] + a[1]*b[1]+ a[2]*b[2];
315 + }
316 +
317 + double SimInfo::length3(double a[3]){
318 +  return sqrt(a[0]*a[0] + a[1]*a[1] + a[2]*a[2]);
319 + }
320 +
321   void SimInfo::calcBoxL( void ){
322  
323    double dx, dy, dz, dsq;
305 –  int i;
324  
325    // boxVol = Determinant of Hmat
326  
# Line 312 | Line 330 | void SimInfo::calcBoxL( void ){
330    
331    dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
332    dsq = dx*dx + dy*dy + dz*dz;
333 <  boxLx = sqrt( dsq );
333 >  boxL[0] = sqrt( dsq );
334 >  //maxCutoff = 0.5 * boxL[0];
335  
336    // boxLy
337    
338    dx = Hmat[0][1]; dy = Hmat[1][1]; dz = Hmat[2][1];
339    dsq = dx*dx + dy*dy + dz*dz;
340 <  boxLy = sqrt( dsq );
340 >  boxL[1] = sqrt( dsq );
341 >  //if( (0.5 * boxL[1]) < maxCutoff ) maxCutoff = 0.5 * boxL[1];
342  
343 +
344    // boxLz
345    
346    dx = Hmat[0][2]; dy = Hmat[1][2]; dz = Hmat[2][2];
347    dsq = dx*dx + dy*dy + dz*dz;
348 <  boxLz = sqrt( dsq );
348 >  boxL[2] = sqrt( dsq );
349 >  //if( (0.5 * boxL[2]) < maxCutoff ) maxCutoff = 0.5 * boxL[2];
350 >
351 >  //calculate the max cutoff
352 >  maxCutoff =  calcMaxCutOff();
353    
354 +  checkCutOffs();
355 +
356   }
357  
358  
359 + double SimInfo::calcMaxCutOff(){
360 +
361 +  double ri[3], rj[3], rk[3];
362 +  double rij[3], rjk[3], rki[3];
363 +  double minDist;
364 +
365 +  ri[0] = Hmat[0][0];
366 +  ri[1] = Hmat[1][0];
367 +  ri[2] = Hmat[2][0];
368 +
369 +  rj[0] = Hmat[0][1];
370 +  rj[1] = Hmat[1][1];
371 +  rj[2] = Hmat[2][1];
372 +
373 +  rk[0] = Hmat[0][2];
374 +  rk[1] = Hmat[1][2];
375 +  rk[2] = Hmat[2][2];
376 +  
377 +  crossProduct3(ri,rj, rij);
378 +  distXY = dotProduct3(rk,rij) / length3(rij);
379 +
380 +  crossProduct3(rj,rk, rjk);
381 +  distYZ = dotProduct3(ri,rjk) / length3(rjk);
382 +
383 +  crossProduct3(rk,ri, rki);
384 +  distZX = dotProduct3(rj,rki) / length3(rki);
385 +
386 +  minDist = min(min(distXY, distYZ), distZX);
387 +  return minDist/2;
388 +  
389 + }
390 +
391   void SimInfo::wrapVector( double thePos[3] ){
392  
393 <  int i, j, k;
393 >  int i;
394    double scaled[3];
395  
396    if( !orthoRhombic ){
# Line 369 | Line 428 | int SimInfo::getNDF(){
428  
429  
430   int SimInfo::getNDF(){
431 <  int ndf_local, ndf;
431 >  int ndf_local;
432    
433    ndf_local = 3 * n_atoms + 3 * n_oriented - n_constraints;
434  
# Line 379 | Line 438 | int SimInfo::getNDF(){
438    ndf = ndf_local;
439   #endif
440  
441 <  ndf = ndf - 3;
441 >  ndf = ndf - 3 - nZconstraints;
442  
443    return ndf;
444   }
445  
446   int SimInfo::getNDFraw() {
447 <  int ndfRaw_local, ndfRaw;
447 >  int ndfRaw_local;
448  
449    // Raw degrees of freedom that we have to set
450    ndfRaw_local = 3 * n_atoms + 3 * n_oriented;
# Line 398 | Line 457 | int SimInfo::getNDFraw() {
457  
458    return ndfRaw;
459   }
460 <
460 >
461 > int SimInfo::getNDFtranslational() {
462 >  int ndfTrans_local;
463 >
464 >  ndfTrans_local = 3 * n_atoms - n_constraints;
465 >
466 > #ifdef IS_MPI
467 >  MPI_Allreduce(&ndfTrans_local,&ndfTrans,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
468 > #else
469 >  ndfTrans = ndfTrans_local;
470 > #endif
471 >
472 >  ndfTrans = ndfTrans - 3 - nZconstraints;
473 >
474 >  return ndfTrans;
475 > }
476 >
477   void SimInfo::refreshSim(){
478  
479    simtype fInfo;
480    int isError;
481    int n_global;
482    int* excl;
483 <  
409 <  fInfo.rrf = 0.0;
410 <  fInfo.rt = 0.0;
483 >
484    fInfo.dielect = 0.0;
485  
486 <  fInfo.rlist = rList;
414 <  fInfo.rcut = rCut;
415 <
416 <  if( useDipole ){
417 <    fInfo.rrf = ecr;
418 <    fInfo.rt = ecr - est;
486 >  if( useDipoles ){
487      if( useReactionField )fInfo.dielect = dielectric;
488    }
489  
# Line 424 | Line 492 | void SimInfo::refreshSim(){
492    fInfo.SIM_uses_LJ = useLJ;
493    fInfo.SIM_uses_sticky = useSticky;
494    //fInfo.SIM_uses_sticky = 0;
495 <  fInfo.SIM_uses_dipoles = useDipole;
495 >  fInfo.SIM_uses_charges = useCharges;
496 >  fInfo.SIM_uses_dipoles = useDipoles;
497    //fInfo.SIM_uses_dipoles = 0;
498 <  //fInfo.SIM_uses_RF = useReactionField;
499 <  fInfo.SIM_uses_RF = 0;
498 >  fInfo.SIM_uses_RF = useReactionField;
499 >  //fInfo.SIM_uses_RF = 0;
500    fInfo.SIM_uses_GB = useGB;
501    fInfo.SIM_uses_EAM = useEAM;
502  
# Line 461 | Line 530 | void SimInfo::refreshSim(){
530  
531    this->ndf = this->getNDF();
532    this->ndfRaw = this->getNDFraw();
533 +  this->ndfTrans = this->getNDFtranslational();
534 + }
535  
536 + void SimInfo::setDefaultRcut( double theRcut ){
537 +
538 +  haveRcut = 1;
539 +  rCut = theRcut;
540 +
541 +  ( rCut > ecr )? rList = rCut + 1.0: rList = ecr + 1.0;
542 +
543 +  notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
544   }
545  
546 + void SimInfo::setDefaultEcr( double theEcr ){
547 +
548 +  haveEcr = 1;
549 +  ecr = theEcr;
550 +  
551 +  ( rCut > ecr )? rList = rCut + 1.0: rList = ecr + 1.0;
552 +
553 +  notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
554 + }
555 +
556 + void SimInfo::setDefaultEcr( double theEcr, double theEst ){
557 +
558 +  est = theEst;
559 +  setDefaultEcr( theEcr );
560 + }
561 +
562 +
563 + void SimInfo::checkCutOffs( void ){
564 +  
565 +  if( boxIsInit ){
566 +    
567 +    //we need to check cutOffs against the box
568 +    
569 +    if( rCut > maxCutoff ){
570 +      sprintf( painCave.errMsg,
571 +               "Box size is too small for the long range cutoff radius, "
572 +               "%G, at time %G\n"
573 +               "\t[ %G %G %G ]\n"
574 +               "\t[ %G %G %G ]\n"
575 +               "\t[ %G %G %G ]\n",
576 +               rCut, currentTime,
577 +               Hmat[0][0], Hmat[0][1], Hmat[0][2],
578 +               Hmat[1][0], Hmat[1][1], Hmat[1][2],
579 +               Hmat[2][0], Hmat[2][1], Hmat[2][2]);
580 +      painCave.isFatal = 1;
581 +      simError();
582 +    }
583 +    
584 +    if( haveEcr ){
585 +      if( ecr > maxCutoff ){
586 +        sprintf( painCave.errMsg,
587 +                 "Box size is too small for the electrostatic cutoff radius, "
588 +                 "%G, at time %G\n"
589 +                 "\t[ %G %G %G ]\n"
590 +                 "\t[ %G %G %G ]\n"
591 +                 "\t[ %G %G %G ]\n",
592 +                 ecr, currentTime,
593 +                 Hmat[0][0], Hmat[0][1], Hmat[0][2],
594 +                 Hmat[1][0], Hmat[1][1], Hmat[1][2],
595 +                 Hmat[2][0], Hmat[2][1], Hmat[2][2]);
596 +        painCave.isFatal = 1;
597 +        simError();
598 +      }
599 +    }
600 +  } else {
601 +    // initialize this stuff before using it, OK?
602 +    sprintf( painCave.errMsg,
603 +             "Trying to check cutoffs without a box.\n"
604 +             "\tOOPSE should have better programmers than that.\n" );
605 +    painCave.isFatal = 1;
606 +    simError();      
607 +  }
608 +  
609 + }
610 +
611 + void SimInfo::addProperty(GenericData* prop){
612 +
613 +  map<string, GenericData*>::iterator result;
614 +  result = properties.find(prop->getID());
615 +  
616 +  //we can't simply use  properties[prop->getID()] = prop,
617 +  //it will cause memory leak if we already contain a propery which has the same name of prop
618 +  
619 +  if(result != properties.end()){
620 +    
621 +    delete (*result).second;
622 +    (*result).second = prop;
623 +      
624 +  }
625 +  else{
626 +
627 +    properties[prop->getID()] = prop;
628 +
629 +  }
630 +    
631 + }
632 +
633 + GenericData* SimInfo::getProperty(const string& propName){
634 +
635 +  map<string, GenericData*>::iterator result;
636 +  
637 +  //string lowerCaseName = ();
638 +  
639 +  result = properties.find(propName);
640 +  
641 +  if(result != properties.end())
642 +    return (*result).second;  
643 +  else  
644 +    return NULL;  
645 + }
646 +
647 + vector<GenericData*> SimInfo::getProperties(){
648 +
649 +  vector<GenericData*> result;
650 +  map<string, GenericData*>::iterator i;
651 +  
652 +  for(i = properties.begin(); i != properties.end(); i++)
653 +    result.push_back((*i).second);
654 +    
655 +  return result;
656 + }
657 +
658 + double SimInfo::matTrace3(double m[3][3]){
659 +  double trace;
660 +  trace = m[0][0] + m[1][1] + m[2][2];
661 +
662 +  return trace;
663 + }

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