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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
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Comparing trunk/OOPSE/libmdtools/SimInfo.cpp (file contents):
Revision 767 by tim, Tue Sep 16 20:02:11 2003 UTC vs.
Revision 781 by tim, Mon Sep 22 23:07:57 2003 UTC

# Line 48 | Line 48 | SimInfo::SimInfo(){
48    haveOrigEcr = 0;
49    boxIsInit = 0;
50    
51 +  resetTime = 1e99;
52    
53  
54    usePBC = 0;
# Line 279 | Line 280 | void SimInfo::printMat9(double A[9] ){
280              << "[ " << A[0] << ", " << A[1] << ", " << A[2] << " ]\n"
281              << "[ " << A[3] << ", " << A[4] << ", " << A[5] << " ]\n"
282              << "[ " << A[6] << ", " << A[7] << ", " << A[8] << " ]\n";
283 + }
284 +
285 +
286 + void SimInfo::crossProduct3(double a[3],double b[3], double out[3]){
287 +
288 +      out[0] = a[1] * b[2] - a[2] * b[1];
289 +      out[1] = a[2] * b[0] - a[0] * b[2] ;
290 +      out[2] = a[0] * b[1] - a[1] * b[0];
291 +      
292   }
293  
294 + double SimInfo::dotProduct3(double a[3], double b[3]){
295 +  return a[0]*b[0] + a[1]*b[1]+ a[2]*b[2];
296 + }
297 +
298 + double SimInfo::length3(double a[3]){
299 +  return sqrt(a[0]*a[0] + a[1]*a[1] + a[2]*a[2]);
300 + }
301 +
302   void SimInfo::calcBoxL( void ){
303  
304    double dx, dy, dz, dsq;
# Line 295 | Line 313 | void SimInfo::calcBoxL( void ){
313    dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
314    dsq = dx*dx + dy*dy + dz*dz;
315    boxL[0] = sqrt( dsq );
316 <  maxCutoff = 0.5 * boxL[0];
316 >  //maxCutoff = 0.5 * boxL[0];
317  
318    // boxLy
319    
320    dx = Hmat[0][1]; dy = Hmat[1][1]; dz = Hmat[2][1];
321    dsq = dx*dx + dy*dy + dz*dz;
322    boxL[1] = sqrt( dsq );
323 <  if( (0.5 * boxL[1]) < maxCutoff ) maxCutoff = 0.5 * boxL[1];
323 >  //if( (0.5 * boxL[1]) < maxCutoff ) maxCutoff = 0.5 * boxL[1];
324  
325 +
326    // boxLz
327    
328    dx = Hmat[0][2]; dy = Hmat[1][2]; dz = Hmat[2][2];
329    dsq = dx*dx + dy*dy + dz*dz;
330    boxL[2] = sqrt( dsq );
331 <  if( (0.5 * boxL[2]) < maxCutoff ) maxCutoff = 0.5 * boxL[2];
331 >  //if( (0.5 * boxL[2]) < maxCutoff ) maxCutoff = 0.5 * boxL[2];
332 >
333 >  //calculate the max cutoff
334 >  maxCutoff =  calcMaxCutOff();
335    
336    checkCutOffs();
337  
338   }
339 +
340 +
341 + double SimInfo::calcMaxCutOff(){
342 +
343 +  double ri[3], rj[3], rk[3];
344 +  double rij[3], rjk[3], rki[3];
345 +  double minDist;
346 +
347 +  ri[0] = Hmat[0][0];
348 +  ri[1] = Hmat[1][0];
349 +  ri[2] = Hmat[2][0];
350  
351 +  rj[0] = Hmat[0][1];
352 +  rj[1] = Hmat[1][1];
353 +  rj[2] = Hmat[2][1];
354  
355 +  rk[0] = Hmat[0][2];
356 +  rk[1] = Hmat[1][2];
357 +  rk[2] = Hmat[2][2];
358 +  
359 +  crossProduct3(ri,rj, rij);
360 +  distXY = dotProduct3(rk,rij) / length3(rij);
361 +
362 +  crossProduct3(rj,rk, rjk);
363 +  distYZ = dotProduct3(ri,rjk) / length3(rjk);
364 +
365 +  crossProduct3(rk,ri, rki);
366 +  distZX = dotProduct3(rj,rki) / length3(rki);
367 +
368 +  minDist = min(min(distXY, distYZ), distZX);
369 +  return minDist/2;
370 +  
371 + }
372 +
373   void SimInfo::wrapVector( double thePos[3] ){
374  
375    int i, j, k;
# Line 493 | Line 547 | void SimInfo::checkCutOffs( void ){
547   void SimInfo::checkCutOffs( void ){
548  
549    int cutChanged = 0;
550 <
497 <
498 <
550 >  
551    if( boxIsInit ){
552      
553      //we need to check cutOffs against the box
554 <  
554 >
555 >    //detect the change of rCut
556      if(( maxCutoff > rCut )&&(usePBC)){
557        if( rCut < origRcut ){
558 <        rCut = origRcut;
559 <        if (rCut > maxCutoff) rCut = maxCutoff;
560 <        
561 <        sprintf( painCave.errMsg,
562 <                 "New Box size is setting the long range cutoff radius "
563 <                 "to %lf\n",
564 <                 rCut );
565 <        painCave.isFatal = 0;
566 <        simError();
558 >        rCut = origRcut;
559 >        
560 >        if (rCut > maxCutoff)
561 >          rCut = maxCutoff;
562 >  
563 >          sprintf( painCave.errMsg,
564 >                    "New Box size is setting the long range cutoff radius "
565 >                    "to %lf at time %lf\n",
566 >                    rCut, currentTime );
567 >          painCave.isFatal = 0;
568 >          simError();
569        }
570      }
571 <
517 <    if( maxCutoff > ecr ){
518 <      if( ecr < origEcr ){
519 <        ecr = origEcr;
520 <        if (ecr > maxCutoff) ecr = maxCutoff;
521 <        
522 <        sprintf( painCave.errMsg,
523 <                 "New Box size is setting the electrostaticCutoffRadius "
524 <                 "to %lf\n",
525 <                 ecr );
526 <        painCave.isFatal = 0;
527 <        simError();
528 <      }
529 <    }
530 <
531 <
532 <    if ((rCut > maxCutoff)&&(usePBC)) {
571 >    else if ((rCut > maxCutoff)&&(usePBC)) {
572        sprintf( painCave.errMsg,
573                 "New Box size is setting the long range cutoff radius "
574 <               "to %lf\n",
575 <               maxCutoff );
574 >               "to %lf at time %lf\n",
575 >               maxCutoff, currentTime );
576        painCave.isFatal = 0;
577        simError();
578        rCut = maxCutoff;
579      }
580  
581 <    if( ecr > maxCutoff){
581 >
582 >    //detect the change of ecr
583 >    if( maxCutoff > ecr ){
584 >      if( ecr < origEcr ){
585 >        ecr = origEcr;
586 >        if (ecr > maxCutoff) ecr = maxCutoff;
587 >  
588 >          sprintf( painCave.errMsg,
589 >                    "New Box size is setting the electrostaticCutoffRadius "
590 >                    "to %lf at time %lf\n",
591 >                    ecr, currentTime );
592 >            painCave.isFatal = 0;
593 >            simError();
594 >      }
595 >    }
596 >    else if( ecr > maxCutoff){
597        sprintf( painCave.errMsg,
598                 "New Box size is setting the electrostaticCutoffRadius "
599 <               "to %lf\n",
600 <               maxCutoff  );
599 >               "to %lf at time %lf\n",
600 >               maxCutoff, currentTime  );
601        painCave.isFatal = 0;
602        simError();      
603        ecr = maxCutoff;
604      }
605  
552
606      if( (oldEcr != ecr) || ( oldRcut != rCut ) ) cutChanged = 1;
607 <
607 >    
608      // rlist is the 1.0 plus max( rcut, ecr )
609      
610      ( rCut > ecr )? rList = rCut + 1.0: rList = ecr + 1.0;
# Line 563 | Line 616 | void SimInfo::checkCutOffs( void ){
616      
617      oldEcr = ecr;
618      oldRcut = rCut;
619 <
619 >    
620    } else {
621      // initialize this stuff before using it, OK?
622 <      sprintf( painCave.errMsg,
623 <               "Trying to check cutoffs without a box. Be smarter.\n" );
624 <      painCave.isFatal = 1;
625 <      simError();      
622 >    sprintf( painCave.errMsg,
623 >             "Trying to check cutoffs without a box. Be smarter.\n" );
624 >    painCave.isFatal = 1;
625 >    simError();      
626    }
627 <
627 >  
628   }
629  
630   void SimInfo::addProperty(GenericData* prop){

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