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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
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Comparing trunk/OOPSE/libmdtools/SimInfo.cpp (file contents):
Revision 482 by chuckv, Tue Apr 8 22:38:43 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>
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 | SimInfo* currentInfo;
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 + 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 <  double smallestBox, maxCutoff;
83 <  int status;
84 <  box_x = newBox[0];
41 <  box_y = newBox[1];
42 <  box_z = newBox[2];
43 <  setFortranBoxSize(newBox);
82 >  
83 >  int i, j;
84 >  double tempMat[3][3];
85  
86 <  smallestBox = box_x;
87 <  if (box_y < smallestBox) smallestBox = box_y;
47 <  if (box_z < smallestBox) smallestBox = box_z;
86 >  for(i=0; i<3; i++)
87 >    for (j=0; j<3; j++) tempMat[i][j] = 0.0;;
88  
89 <  maxCutoff = smallestBox / 2.0;
89 >  tempMat[0][0] = newBox[0];
90 >  tempMat[1][1] = newBox[1];
91 >  tempMat[2][2] = newBox[2];
92  
93 <  if (rList > maxCutoff) {
52 <    sprintf( painCave.errMsg,
53 <             "New Box size is forcing neighborlist radius down to %lf\n",
54 <             maxCutoff );
55 <    painCave.isFatal = 0;
56 <    simError();
93 >  setBoxM( tempMat );
94  
95 <    rList = maxCutoff;
95 > }
96  
97 <    sprintf( painCave.errMsg,
98 <             "New Box size is forcing cutoff radius down to %lf\n",
99 <             maxCutoff - 1.0 );
100 <    painCave.isFatal = 0;
101 <    simError();
97 > void SimInfo::setBoxM( double theBox[3][3] ){
98 >  
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 ]
103 >                         // [ 1 4 7 ]
104 >                         // [ 2 5 8 ]
105 >  double FortranHmatInv[9]; // the inverted Hmat (for Fortran);
106  
107 <    rCut = rList - 1.0;
107 >  if( !boxIsInit ) boxIsInit = 1;
108  
109 <    // list radius changed so we have to refresh the simulation structure.
110 <    refreshSim();
109 >  for(i=0; i < 3; i++)
110 >    for (j=0; j < 3; j++) Hmat[i][j] = theBox[i][j];
111 >  
112 >  calcBoxL();
113 >  calcHmatInv();
114 >
115 >  for(i=0; i < 3; i++) {
116 >    for (j=0; j < 3; j++) {
117 >      FortranHmat[3*j + i] = Hmat[i][j];
118 >      FortranHmatInv[3*j + i] = HmatInv[i][j];
119 >    }
120    }
121  
122 <  if (rCut > maxCutoff) {
123 <    sprintf( painCave.errMsg,
124 <             "New Box size is forcing cutoff radius down to %lf\n",
125 <             maxCutoff );
76 <    painCave.isFatal = 0;
77 <    simError();
122 >  setFortranBoxSize(FortranHmat, FortranHmatInv, &orthoRhombic);
123 >
124 > }
125 >
126  
127 <    status = 0;
128 <    LJ_new_rcut(&rCut, &status);
129 <    if (status != 0) {
127 > void SimInfo::getBoxM (double theBox[3][3]) {
128 >
129 >  int i, j;
130 >  for(i=0; i<3; i++)
131 >    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j];
132 > }
133 >
134 >
135 > void SimInfo::scaleBox(double scale) {
136 >  double theBox[3][3];
137 >  int i, j;
138 >
139 >  // cerr << "Scaling box by " << scale << "\n";
140 >
141 >  for(i=0; i<3; i++)
142 >    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j]*scale;
143 >
144 >  setBoxM(theBox);
145 >
146 > }
147 >
148 > void SimInfo::calcHmatInv( void ) {
149 >  
150 >  int oldOrtho;
151 >  int i,j;
152 >  double smallDiag;
153 >  double tol;
154 >  double sanity[3][3];
155 >
156 >  invertMat3( Hmat, HmatInv );
157 >
158 >  // check to see if Hmat is orthorhombic
159 >  
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 ( 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 <               "Error in recomputing LJ shifts based on new rcut\n");
184 <      painCave.isFatal = 1;
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 < void SimInfo::getBox(double theBox[3]) {
201 <  theBox[0] = box_x;
202 <  theBox[1] = box_y;
203 <  theBox[2] = box_z;
200 > double SimInfo::matDet3(double a[3][3]) {
201 >  int i, j, k;
202 >  double determinant;
203 >
204 >  determinant = 0.0;
205 >
206 >  for(i = 0; i < 3; i++) {
207 >    j = (i+1)%3;
208 >    k = (i+2)%3;
209 >
210 >    determinant += a[0][i] * (a[1][j]*a[2][k] - a[1][k]*a[2][j]);
211 >  }
212 >
213 >  return determinant;
214   }
215 <
215 >
216 > void SimInfo::invertMat3(double a[3][3], double b[3][3]) {
217 >  
218 >  int  i, j, k, l, m, n;
219 >  double determinant;
220 >
221 >  determinant = matDet3( a );
222 >
223 >  if (determinant == 0.0) {
224 >    sprintf( painCave.errMsg,
225 >             "Can't invert a matrix with a zero determinant!\n");
226 >    painCave.isFatal = 1;
227 >    simError();
228 >  }
229 >
230 >  for (i=0; i < 3; i++) {
231 >    j = (i+1)%3;
232 >    k = (i+2)%3;
233 >    for(l = 0; l < 3; l++) {
234 >      m = (l+1)%3;
235 >      n = (l+2)%3;
236 >      
237 >      b[l][i] = (a[j][m]*a[k][n] - a[j][n]*a[k][m]) / determinant;
238 >    }
239 >  }
240 > }
241 >
242 > void SimInfo::matMul3(double a[3][3], double b[3][3], double c[3][3]) {
243 >  double r00, r01, r02, r10, r11, r12, r20, r21, r22;
244 >
245 >  r00 = a[0][0]*b[0][0] + a[0][1]*b[1][0] + a[0][2]*b[2][0];
246 >  r01 = a[0][0]*b[0][1] + a[0][1]*b[1][1] + a[0][2]*b[2][1];
247 >  r02 = a[0][0]*b[0][2] + a[0][1]*b[1][2] + a[0][2]*b[2][2];
248 >  
249 >  r10 = a[1][0]*b[0][0] + a[1][1]*b[1][0] + a[1][2]*b[2][0];
250 >  r11 = a[1][0]*b[0][1] + a[1][1]*b[1][1] + a[1][2]*b[2][1];
251 >  r12 = a[1][0]*b[0][2] + a[1][1]*b[1][2] + a[1][2]*b[2][2];
252 >  
253 >  r20 = a[2][0]*b[0][0] + a[2][1]*b[1][0] + a[2][2]*b[2][0];
254 >  r21 = a[2][0]*b[0][1] + a[2][1]*b[1][1] + a[2][2]*b[2][1];
255 >  r22 = a[2][0]*b[0][2] + a[2][1]*b[1][2] + a[2][2]*b[2][2];
256 >  
257 >  c[0][0] = r00; c[0][1] = r01; c[0][2] = r02;
258 >  c[1][0] = r10; c[1][1] = r11; c[1][2] = r12;
259 >  c[2][0] = r20; c[2][1] = r21; c[2][2] = r22;
260 > }
261 >
262 > void SimInfo::matVecMul3(double m[3][3], double inVec[3], double outVec[3]) {
263 >  double a0, a1, a2;
264 >
265 >  a0 = inVec[0];  a1 = inVec[1];  a2 = inVec[2];
266 >
267 >  outVec[0] = m[0][0]*a0 + m[0][1]*a1 + m[0][2]*a2;
268 >  outVec[1] = m[1][0]*a0 + m[1][1]*a1 + m[1][2]*a2;
269 >  outVec[2] = m[2][0]*a0 + m[2][1]*a1 + m[2][2]*a2;
270 > }
271 >
272 > void SimInfo::transposeMat3(double in[3][3], double out[3][3]) {
273 >  double temp[3][3];
274 >  int i, j;
275 >
276 >  for (i = 0; i < 3; i++) {
277 >    for (j = 0; j < 3; j++) {
278 >      temp[j][i] = in[i][j];
279 >    }
280 >  }
281 >  for (i = 0; i < 3; i++) {
282 >    for (j = 0; j < 3; j++) {
283 >      out[i][j] = temp[i][j];
284 >    }
285 >  }
286 > }
287 >  
288 > void SimInfo::printMat3(double A[3][3] ){
289 >
290 >  std::cerr
291 >            << "[ " << A[0][0] << ", " << A[0][1] << ", " << A[0][2] << " ]\n"
292 >            << "[ " << A[1][0] << ", " << A[1][1] << ", " << A[1][2] << " ]\n"
293 >            << "[ " << A[2][0] << ", " << A[2][1] << ", " << A[2][2] << " ]\n";
294 > }
295 >
296 > void SimInfo::printMat9(double A[9] ){
297 >
298 >  std::cerr
299 >            << "[ " << A[0] << ", " << A[1] << ", " << A[2] << " ]\n"
300 >            << "[ " << A[3] << ", " << A[4] << ", " << A[5] << " ]\n"
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;
324 >
325 >  // boxVol = Determinant of Hmat
326 >
327 >  boxVol = matDet3( Hmat );
328 >
329 >  // boxLx
330 >  
331 >  dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
332 >  dsq = dx*dx + dy*dy + dz*dz;
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 >  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 >  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;
394 >  double scaled[3];
395 >
396 >  if( !orthoRhombic ){
397 >    // calc the scaled coordinates.
398 >  
399 >
400 >    matVecMul3(HmatInv, thePos, scaled);
401 >    
402 >    for(i=0; i<3; i++)
403 >      scaled[i] -= roundMe(scaled[i]);
404 >    
405 >    // calc the wrapped real coordinates from the wrapped scaled coordinates
406 >    
407 >    matVecMul3(Hmat, scaled, thePos);
408 >
409 >  }
410 >  else{
411 >    // calc the scaled coordinates.
412 >    
413 >    for(i=0; i<3; i++)
414 >      scaled[i] = thePos[i]*HmatInv[i][i];
415 >    
416 >    // wrap the scaled coordinates
417 >    
418 >    for(i=0; i<3; i++)
419 >      scaled[i] -= roundMe(scaled[i]);
420 >    
421 >    // calc the wrapped real coordinates from the wrapped scaled coordinates
422 >    
423 >    for(i=0; i<3; i++)
424 >      thePos[i] = scaled[i]*Hmat[i][i];
425 >  }
426 >    
427 > }
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 104 | 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 123 | 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 <  
133 <  fInfo.rrf = 0.0;
134 <  fInfo.rt = 0.0;
483 >
484    fInfo.dielect = 0.0;
485  
486 <  fInfo.box[0] = box_x;
138 <  fInfo.box[1] = box_y;
139 <  fInfo.box[2] = box_z;
140 <
141 <  fInfo.rlist = rList;
142 <  fInfo.rcut = rCut;
143 <
144 <  if( useDipole ){
145 <    fInfo.rrf = ecr;
146 <    fInfo.rt = ecr - est;
486 >  if( useDipoles ){
487      if( useReactionField )fInfo.dielect = dielectric;
488    }
489  
# Line 152 | 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  
503    excl = Exclude::getArray();
504  
505 + #ifdef IS_MPI
506 +  n_global = mpiSim->getTotAtoms();
507 + #else
508 +  n_global = n_atoms;
509 + #endif
510 +
511    isError = 0;
512  
513 < //   fInfo;
514 < //   n_atoms;
515 < //   identArray;
169 < //   n_exclude;
170 < //   excludes;
171 < //   nGlobalExcludes;
172 < //   globalExcludes;
173 < //   isError;
513 >  setFsimulation( &fInfo, &n_global, &n_atoms, identArray, &n_exclude, excl,
514 >                  &nGlobalExcludes, globalExcludes, molMembershipArray,
515 >                  &isError );
516  
175 –  setFsimulation( &fInfo, &n_atoms, identArray, &n_exclude, excl,
176 –                  &nGlobalExcludes, globalExcludes, &isError );
177 –
517    if( isError ){
518  
519      sprintf( painCave.errMsg,
# Line 191 | 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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