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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
Revision: 843
Committed: Wed Oct 29 20:41:39 2003 UTC (20 years, 8 months ago) by mmeineke
File size: 14616 byte(s)
Log Message:
fixed a stdlib.h include error in bass.l

fixed a little bug in the first time step, regarding the setting of ecr and est in fortran

File Contents

# Content
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
10 #include "fSimulation.h"
11 #include "simError.h"
12
13 #include "fortranWrappers.hpp"
14
15 #ifdef IS_MPI
16 #include "mpiSimulation.hpp"
17 #endif
18
19 inline double roundMe( double x ){
20 return ( x >= 0 ) ? floor( x + 0.5 ) : ceil( x - 0.5 );
21 }
22
23
24 SimInfo* currentInfo;
25
26 SimInfo::SimInfo(){
27 excludes = NULL;
28 n_constraints = 0;
29 nZconstraints = 0;
30 n_oriented = 0;
31 n_dipoles = 0;
32 ndf = 0;
33 ndfRaw = 0;
34 nZconstraints = 0;
35 the_integrator = NULL;
36 setTemp = 0;
37 thermalTime = 0.0;
38 currentTime = 0.0;
39 rCut = 0.0;
40 origRcut = -1.0;
41 ecr = 0.0;
42 origEcr = -1.0;
43 est = 0.0;
44 oldEcr = 0.0;
45 oldRcut = 0.0;
46
47 haveOrigRcut = 0;
48 haveOrigEcr = 0;
49 boxIsInit = 0;
50
51 resetTime = 1e99;
52
53
54 usePBC = 0;
55 useLJ = 0;
56 useSticky = 0;
57 useDipole = 0;
58 useReactionField = 0;
59 useGB = 0;
60 useEAM = 0;
61
62 myConfiguration = new SimState();
63
64 wrapMeSimInfo( this );
65 }
66
67
68 SimInfo::~SimInfo(){
69
70 delete myConfiguration;
71
72 map<string, GenericData*>::iterator i;
73
74 for(i = properties.begin(); i != properties.end(); i++)
75 delete (*i).second;
76
77 }
78
79 void SimInfo::setBox(double newBox[3]) {
80
81 int i, j;
82 double tempMat[3][3];
83
84 for(i=0; i<3; i++)
85 for (j=0; j<3; j++) tempMat[i][j] = 0.0;;
86
87 tempMat[0][0] = newBox[0];
88 tempMat[1][1] = newBox[1];
89 tempMat[2][2] = newBox[2];
90
91 setBoxM( tempMat );
92
93 }
94
95 void SimInfo::setBoxM( double theBox[3][3] ){
96
97 int i, j;
98 double FortranHmat[9]; // to preserve compatibility with Fortran the
99 // ordering in the array is as follows:
100 // [ 0 3 6 ]
101 // [ 1 4 7 ]
102 // [ 2 5 8 ]
103 double FortranHmatInv[9]; // the inverted Hmat (for Fortran);
104
105
106 if( !boxIsInit ) boxIsInit = 1;
107
108 for(i=0; i < 3; i++)
109 for (j=0; j < 3; j++) Hmat[i][j] = theBox[i][j];
110
111 calcBoxL();
112 calcHmatInv();
113
114 for(i=0; i < 3; i++) {
115 for (j=0; j < 3; j++) {
116 FortranHmat[3*j + i] = Hmat[i][j];
117 FortranHmatInv[3*j + i] = HmatInv[i][j];
118 }
119 }
120
121 setFortranBoxSize(FortranHmat, FortranHmatInv, &orthoRhombic);
122
123 }
124
125
126 void SimInfo::getBoxM (double theBox[3][3]) {
127
128 int i, j;
129 for(i=0; i<3; i++)
130 for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j];
131 }
132
133
134 void SimInfo::scaleBox(double scale) {
135 double theBox[3][3];
136 int i, j;
137
138 // cerr << "Scaling box by " << scale << "\n";
139
140 for(i=0; i<3; i++)
141 for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j]*scale;
142
143 setBoxM(theBox);
144
145 }
146
147 void SimInfo::calcHmatInv( void ) {
148
149 int i,j;
150 double smallDiag;
151 double tol;
152 double sanity[3][3];
153
154 invertMat3( Hmat, HmatInv );
155
156 // Check the inverse to make sure it is sane:
157
158 matMul3( Hmat, HmatInv, sanity );
159
160 // check to see if Hmat is orthorhombic
161
162 smallDiag = Hmat[0][0];
163 if(smallDiag > Hmat[1][1]) smallDiag = Hmat[1][1];
164 if(smallDiag > Hmat[2][2]) smallDiag = Hmat[2][2];
165 tol = smallDiag * 1E-6;
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;
174 }
175 }
176 }
177 }
178 }
179
180 double SimInfo::matDet3(double a[3][3]) {
181 int i, j, k;
182 double determinant;
183
184 determinant = 0.0;
185
186 for(i = 0; i < 3; i++) {
187 j = (i+1)%3;
188 k = (i+2)%3;
189
190 determinant += a[0][i] * (a[1][j]*a[2][k] - a[1][k]*a[2][j]);
191 }
192
193 return determinant;
194 }
195
196 void SimInfo::invertMat3(double a[3][3], double b[3][3]) {
197
198 int i, j, k, l, m, n;
199 double determinant;
200
201 determinant = matDet3( a );
202
203 if (determinant == 0.0) {
204 sprintf( painCave.errMsg,
205 "Can't invert a matrix with a zero determinant!\n");
206 painCave.isFatal = 1;
207 simError();
208 }
209
210 for (i=0; i < 3; i++) {
211 j = (i+1)%3;
212 k = (i+2)%3;
213 for(l = 0; l < 3; l++) {
214 m = (l+1)%3;
215 n = (l+2)%3;
216
217 b[l][i] = (a[j][m]*a[k][n] - a[j][n]*a[k][m]) / determinant;
218 }
219 }
220 }
221
222 void SimInfo::matMul3(double a[3][3], double b[3][3], double c[3][3]) {
223 double r00, r01, r02, r10, r11, r12, r20, r21, r22;
224
225 r00 = a[0][0]*b[0][0] + a[0][1]*b[1][0] + a[0][2]*b[2][0];
226 r01 = a[0][0]*b[0][1] + a[0][1]*b[1][1] + a[0][2]*b[2][1];
227 r02 = a[0][0]*b[0][2] + a[0][1]*b[1][2] + a[0][2]*b[2][2];
228
229 r10 = a[1][0]*b[0][0] + a[1][1]*b[1][0] + a[1][2]*b[2][0];
230 r11 = a[1][0]*b[0][1] + a[1][1]*b[1][1] + a[1][2]*b[2][1];
231 r12 = a[1][0]*b[0][2] + a[1][1]*b[1][2] + a[1][2]*b[2][2];
232
233 r20 = a[2][0]*b[0][0] + a[2][1]*b[1][0] + a[2][2]*b[2][0];
234 r21 = a[2][0]*b[0][1] + a[2][1]*b[1][1] + a[2][2]*b[2][1];
235 r22 = a[2][0]*b[0][2] + a[2][1]*b[1][2] + a[2][2]*b[2][2];
236
237 c[0][0] = r00; c[0][1] = r01; c[0][2] = r02;
238 c[1][0] = r10; c[1][1] = r11; c[1][2] = r12;
239 c[2][0] = r20; c[2][1] = r21; c[2][2] = r22;
240 }
241
242 void SimInfo::matVecMul3(double m[3][3], double inVec[3], double outVec[3]) {
243 double a0, a1, a2;
244
245 a0 = inVec[0]; a1 = inVec[1]; a2 = inVec[2];
246
247 outVec[0] = m[0][0]*a0 + m[0][1]*a1 + m[0][2]*a2;
248 outVec[1] = m[1][0]*a0 + m[1][1]*a1 + m[1][2]*a2;
249 outVec[2] = m[2][0]*a0 + m[2][1]*a1 + m[2][2]*a2;
250 }
251
252 void SimInfo::transposeMat3(double in[3][3], double out[3][3]) {
253 double temp[3][3];
254 int i, j;
255
256 for (i = 0; i < 3; i++) {
257 for (j = 0; j < 3; j++) {
258 temp[j][i] = in[i][j];
259 }
260 }
261 for (i = 0; i < 3; i++) {
262 for (j = 0; j < 3; j++) {
263 out[i][j] = temp[i][j];
264 }
265 }
266 }
267
268 void SimInfo::printMat3(double A[3][3] ){
269
270 std::cerr
271 << "[ " << A[0][0] << ", " << A[0][1] << ", " << A[0][2] << " ]\n"
272 << "[ " << A[1][0] << ", " << A[1][1] << ", " << A[1][2] << " ]\n"
273 << "[ " << A[2][0] << ", " << A[2][1] << ", " << A[2][2] << " ]\n";
274 }
275
276 void SimInfo::printMat9(double A[9] ){
277
278 std::cerr
279 << "[ " << A[0] << ", " << A[1] << ", " << A[2] << " ]\n"
280 << "[ " << A[3] << ", " << A[4] << ", " << A[5] << " ]\n"
281 << "[ " << A[6] << ", " << A[7] << ", " << A[8] << " ]\n";
282 }
283
284
285 void SimInfo::crossProduct3(double a[3],double b[3], double out[3]){
286
287 out[0] = a[1] * b[2] - a[2] * b[1];
288 out[1] = a[2] * b[0] - a[0] * b[2] ;
289 out[2] = a[0] * b[1] - a[1] * b[0];
290
291 }
292
293 double SimInfo::dotProduct3(double a[3], double b[3]){
294 return a[0]*b[0] + a[1]*b[1]+ a[2]*b[2];
295 }
296
297 double SimInfo::length3(double a[3]){
298 return sqrt(a[0]*a[0] + a[1]*a[1] + a[2]*a[2]);
299 }
300
301 void SimInfo::calcBoxL( void ){
302
303 double dx, dy, dz, dsq;
304
305 // boxVol = Determinant of Hmat
306
307 boxVol = matDet3( Hmat );
308
309 // boxLx
310
311 dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
312 dsq = dx*dx + dy*dy + dz*dz;
313 boxL[0] = sqrt( dsq );
314 //maxCutoff = 0.5 * boxL[0];
315
316 // boxLy
317
318 dx = Hmat[0][1]; dy = Hmat[1][1]; dz = Hmat[2][1];
319 dsq = dx*dx + dy*dy + dz*dz;
320 boxL[1] = sqrt( dsq );
321 //if( (0.5 * boxL[1]) < maxCutoff ) maxCutoff = 0.5 * boxL[1];
322
323
324 // boxLz
325
326 dx = Hmat[0][2]; dy = Hmat[1][2]; dz = Hmat[2][2];
327 dsq = dx*dx + dy*dy + dz*dz;
328 boxL[2] = sqrt( dsq );
329 //if( (0.5 * boxL[2]) < maxCutoff ) maxCutoff = 0.5 * boxL[2];
330
331 //calculate the max cutoff
332 maxCutoff = calcMaxCutOff();
333
334 checkCutOffs();
335
336 }
337
338
339 double SimInfo::calcMaxCutOff(){
340
341 double ri[3], rj[3], rk[3];
342 double rij[3], rjk[3], rki[3];
343 double minDist;
344
345 ri[0] = Hmat[0][0];
346 ri[1] = Hmat[1][0];
347 ri[2] = Hmat[2][0];
348
349 rj[0] = Hmat[0][1];
350 rj[1] = Hmat[1][1];
351 rj[2] = Hmat[2][1];
352
353 rk[0] = Hmat[0][2];
354 rk[1] = Hmat[1][2];
355 rk[2] = Hmat[2][2];
356
357 crossProduct3(ri,rj, rij);
358 distXY = dotProduct3(rk,rij) / length3(rij);
359
360 crossProduct3(rj,rk, rjk);
361 distYZ = dotProduct3(ri,rjk) / length3(rjk);
362
363 crossProduct3(rk,ri, rki);
364 distZX = dotProduct3(rj,rki) / length3(rki);
365
366 minDist = min(min(distXY, distYZ), distZX);
367 return minDist/2;
368
369 }
370
371 void SimInfo::wrapVector( double thePos[3] ){
372
373 int i;
374 double scaled[3];
375
376 if( !orthoRhombic ){
377 // calc the scaled coordinates.
378
379
380 matVecMul3(HmatInv, thePos, scaled);
381
382 for(i=0; i<3; i++)
383 scaled[i] -= roundMe(scaled[i]);
384
385 // calc the wrapped real coordinates from the wrapped scaled coordinates
386
387 matVecMul3(Hmat, scaled, thePos);
388
389 }
390 else{
391 // calc the scaled coordinates.
392
393 for(i=0; i<3; i++)
394 scaled[i] = thePos[i]*HmatInv[i][i];
395
396 // wrap the scaled coordinates
397
398 for(i=0; i<3; i++)
399 scaled[i] -= roundMe(scaled[i]);
400
401 // calc the wrapped real coordinates from the wrapped scaled coordinates
402
403 for(i=0; i<3; i++)
404 thePos[i] = scaled[i]*Hmat[i][i];
405 }
406
407 }
408
409
410 int SimInfo::getNDF(){
411 int ndf_local;
412
413 ndf_local = 3 * n_atoms + 3 * n_oriented - n_constraints;
414
415 #ifdef IS_MPI
416 MPI_Allreduce(&ndf_local,&ndf,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
417 #else
418 ndf = ndf_local;
419 #endif
420
421 ndf = ndf - 3 - nZconstraints;
422
423 return ndf;
424 }
425
426 int SimInfo::getNDFraw() {
427 int ndfRaw_local;
428
429 // Raw degrees of freedom that we have to set
430 ndfRaw_local = 3 * n_atoms + 3 * n_oriented;
431
432 #ifdef IS_MPI
433 MPI_Allreduce(&ndfRaw_local,&ndfRaw,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
434 #else
435 ndfRaw = ndfRaw_local;
436 #endif
437
438 return ndfRaw;
439 }
440
441 int SimInfo::getNDFtranslational() {
442 int ndfTrans_local;
443
444 ndfTrans_local = 3 * n_atoms - n_constraints;
445
446 #ifdef IS_MPI
447 MPI_Allreduce(&ndfTrans_local,&ndfTrans,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
448 #else
449 ndfTrans = ndfTrans_local;
450 #endif
451
452 ndfTrans = ndfTrans - 3 - nZconstraints;
453
454 return ndfTrans;
455 }
456
457 void SimInfo::refreshSim(){
458
459 simtype fInfo;
460 int isError;
461 int n_global;
462 int* excl;
463
464 fInfo.dielect = 0.0;
465
466 if( useDipole ){
467 if( useReactionField )fInfo.dielect = dielectric;
468 }
469
470 fInfo.SIM_uses_PBC = usePBC;
471 //fInfo.SIM_uses_LJ = 0;
472 fInfo.SIM_uses_LJ = useLJ;
473 fInfo.SIM_uses_sticky = useSticky;
474 //fInfo.SIM_uses_sticky = 0;
475 fInfo.SIM_uses_dipoles = useDipole;
476 //fInfo.SIM_uses_dipoles = 0;
477 //fInfo.SIM_uses_RF = useReactionField;
478 fInfo.SIM_uses_RF = 0;
479 fInfo.SIM_uses_GB = useGB;
480 fInfo.SIM_uses_EAM = useEAM;
481
482 excl = Exclude::getArray();
483
484 #ifdef IS_MPI
485 n_global = mpiSim->getTotAtoms();
486 #else
487 n_global = n_atoms;
488 #endif
489
490 isError = 0;
491
492 setFsimulation( &fInfo, &n_global, &n_atoms, identArray, &n_exclude, excl,
493 &nGlobalExcludes, globalExcludes, molMembershipArray,
494 &isError );
495
496 if( isError ){
497
498 sprintf( painCave.errMsg,
499 "There was an error setting the simulation information in fortran.\n" );
500 painCave.isFatal = 1;
501 simError();
502 }
503
504 #ifdef IS_MPI
505 sprintf( checkPointMsg,
506 "succesfully sent the simulation information to fortran.\n");
507 MPIcheckPoint();
508 #endif // is_mpi
509
510 this->ndf = this->getNDF();
511 this->ndfRaw = this->getNDFraw();
512 this->ndfTrans = this->getNDFtranslational();
513 }
514
515
516 void SimInfo::setRcut( double theRcut ){
517
518 rCut = theRcut;
519 checkCutOffs();
520 }
521
522 void SimInfo::setDefaultRcut( double theRcut ){
523
524 haveOrigRcut = 1;
525 origRcut = theRcut;
526 rCut = theRcut;
527
528 notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
529 }
530
531 void SimInfo::setEcr( double theEcr ){
532
533 ecr = theEcr;
534 checkCutOffs();
535 }
536
537 void SimInfo::setDefaultEcr( double theEcr ){
538
539 haveOrigEcr = 1;
540 origEcr = theEcr;
541
542 ecr = theEcr;
543 notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
544 }
545
546 void SimInfo::setEcr( double theEcr, double theEst ){
547
548 est = theEst;
549 setEcr( theEcr );
550 }
551
552 void SimInfo::setDefaultEcr( double theEcr, double theEst ){
553
554 est = theEst;
555 setDefaultEcr( theEcr );
556 }
557
558
559 void SimInfo::checkCutOffs( void ){
560
561 int cutChanged = 0;
562
563 if( boxIsInit ){
564
565 //we need to check cutOffs against the box
566
567 //detect the change of rCut
568 if(( maxCutoff > rCut )&&(usePBC)){
569 if( rCut < origRcut ){
570 rCut = origRcut;
571
572 if (rCut > maxCutoff)
573 rCut = maxCutoff;
574
575 sprintf( painCave.errMsg,
576 "New Box size is setting the long range cutoff radius "
577 "to %lf at time %lf\n",
578 rCut, currentTime );
579 painCave.isFatal = 0;
580 simError();
581 }
582 }
583 else if ((rCut > maxCutoff)&&(usePBC)) {
584 sprintf( painCave.errMsg,
585 "New Box size is setting the long range cutoff radius "
586 "to %lf at time %lf\n",
587 maxCutoff, currentTime );
588 painCave.isFatal = 0;
589 simError();
590 rCut = maxCutoff;
591 }
592
593
594 //detect the change of ecr
595 if( maxCutoff > ecr ){
596 if( ecr < origEcr ){
597 ecr = origEcr;
598 if (ecr > maxCutoff) ecr = maxCutoff;
599
600 sprintf( painCave.errMsg,
601 "New Box size is setting the electrostaticCutoffRadius "
602 "to %lf at time %lf\n",
603 ecr, currentTime );
604 painCave.isFatal = 0;
605 simError();
606 }
607 }
608 else if( ecr > maxCutoff){
609 sprintf( painCave.errMsg,
610 "New Box size is setting the electrostaticCutoffRadius "
611 "to %lf at time %lf\n",
612 maxCutoff, currentTime );
613 painCave.isFatal = 0;
614 simError();
615 ecr = maxCutoff;
616 }
617
618 if( (oldEcr != ecr) || ( oldRcut != rCut ) ) cutChanged = 1;
619
620 // rlist is the 1.0 plus max( rcut, ecr )
621
622 ( rCut > ecr )? rList = rCut + 1.0: rList = ecr + 1.0;
623
624 if( cutChanged ){
625
626 notifyFortranCutOffs( &rCut, &rList, &ecr, &est );
627 }
628
629 oldEcr = ecr;
630 oldRcut = rCut;
631
632 } else {
633 // initialize this stuff before using it, OK?
634 sprintf( painCave.errMsg,
635 "Trying to check cutoffs without a box. Be smarter.\n" );
636 painCave.isFatal = 1;
637 simError();
638 }
639
640 }
641
642 void SimInfo::addProperty(GenericData* prop){
643
644 map<string, GenericData*>::iterator result;
645 result = properties.find(prop->getID());
646
647 //we can't simply use properties[prop->getID()] = prop,
648 //it will cause memory leak if we already contain a propery which has the same name of prop
649
650 if(result != properties.end()){
651
652 delete (*result).second;
653 (*result).second = prop;
654
655 }
656 else{
657
658 properties[prop->getID()] = prop;
659
660 }
661
662 }
663
664 GenericData* SimInfo::getProperty(const string& propName){
665
666 map<string, GenericData*>::iterator result;
667
668 //string lowerCaseName = ();
669
670 result = properties.find(propName);
671
672 if(result != properties.end())
673 return (*result).second;
674 else
675 return NULL;
676 }
677
678 vector<GenericData*> SimInfo::getProperties(){
679
680 vector<GenericData*> result;
681 map<string, GenericData*>::iterator i;
682
683 for(i = properties.begin(); i != properties.end(); i++)
684 result.push_back((*i).second);
685
686 return result;
687 }
688
689 double SimInfo::matTrace3(double m[3][3]){
690 double trace;
691 trace = m[0][0] + m[1][1] + m[2][2];
692
693 return trace;
694 }