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root/group/trunk/OOPSE/libmdtools/SimInfo.cpp
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Comparing trunk/OOPSE/libmdtools/SimInfo.cpp (file contents):
Revision 568 by mmeineke, Mon Jun 30 22:04:01 2003 UTC vs.
Revision 843 by mmeineke, Wed Oct 29 20:41:39 2003 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;
7  
8   #include "SimInfo.hpp"
9   #define __C
# Line 14 | Line 16 | SimInfo* currentInfo;
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;
# Line 36 | Line 59 | SimInfo::SimInfo(){
59    useGB = 0;
60    useEAM = 0;
61  
62 +  myConfiguration = new SimState();
63 +
64    wrapMeSimInfo( this );
65   }
66  
42 – void SimInfo::setBox(double newBox[3]) {
67  
68 <  double smallestBoxL, maxCutoff;
45 <  int status;
46 <  int i;
68 > SimInfo::~SimInfo(){
69  
70 <  for(i=0; i<9; i++) Hmat[i] = 0.0;;
70 >  delete myConfiguration;
71  
72 <  Hmat[0] = newBox[0];
73 <  Hmat[4] = newBox[1];
74 <  Hmat[8] = newBox[2];
72 >  map<string, GenericData*>::iterator i;
73 >  
74 >  for(i = properties.begin(); i != properties.end(); i++)
75 >    delete (*i).second;
76 >    
77 > }
78  
79 <  calcHmatI();
80 <  calcBoxL();
79 > void SimInfo::setBox(double newBox[3]) {
80 >  
81 >  int i, j;
82 >  double tempMat[3][3];
83  
84 <  setFortranBoxSize(Hmat);
84 >  for(i=0; i<3; i++)
85 >    for (j=0; j<3; j++) tempMat[i][j] = 0.0;;
86  
87 <  smallestBoxL = boxLx;
88 <  if (boxLy < smallestBoxL) smallestBoxL = boxLy;
89 <  if (boxLz < smallestBoxL) smallestBoxL = boxLz;
87 >  tempMat[0][0] = newBox[0];
88 >  tempMat[1][1] = newBox[1];
89 >  tempMat[2][2] = newBox[2];
90  
91 <  maxCutoff = smallestBoxL / 2.0;
91 >  setBoxM( tempMat );
92  
93 <  if (rList > maxCutoff) {
66 <    sprintf( painCave.errMsg,
67 <             "New Box size is forcing neighborlist radius down to %lf\n",
68 <             maxCutoff );
69 <    painCave.isFatal = 0;
70 <    simError();
93 > }
94  
95 <    rList = maxCutoff;
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 <    sprintf( painCave.errMsg,
106 <             "New Box size is forcing cutoff radius down to %lf\n",
76 <             maxCutoff - 1.0 );
77 <    painCave.isFatal = 0;
78 <    simError();
105 >  
106 >  if( !boxIsInit ) boxIsInit = 1;
107  
108 <    rCut = rList - 1.0;
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 <    // list radius changed so we have to refresh the simulation structure.
115 <    refreshSim();
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 <  if (rCut > maxCutoff) {
122 <    sprintf( painCave.errMsg,
123 <             "New Box size is forcing cutoff radius down to %lf\n",
124 <             maxCutoff );
90 <    painCave.isFatal = 0;
91 <    simError();
121 >  setFortranBoxSize(FortranHmat, FortranHmatInv, &orthoRhombic);
122 >
123 > }
124 >
125  
126 <    status = 0;
127 <    LJ_new_rcut(&rCut, &status);
128 <    if (status != 0) {
129 <      sprintf( painCave.errMsg,
130 <               "Error in recomputing LJ shifts based on new rcut\n");
98 <      painCave.isFatal = 1;
99 <      simError();
100 <    }
101 <  }
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  
104 – void SimInfo::setBoxM( double theBox[9] ){
105 –  
106 –  int i, status;
107 –  double smallestBoxL, maxCutoff;
133  
134 <  for(i=0; i<9; i++) Hmat[i] = theBox[i];
135 <  calcHmatI();
136 <  calcBoxL();
134 > void SimInfo::scaleBox(double scale) {
135 >  double theBox[3][3];
136 >  int i, j;
137  
138 <  setFortranBoxSize(Hmat);
114 <
115 <  smallestBoxL = boxLx;
116 <  if (boxLy < smallestBoxL) smallestBoxL = boxLy;
117 <  if (boxLz < smallestBoxL) smallestBoxL = boxLz;
138 >  // cerr << "Scaling box by " << scale << "\n";
139  
140 <  maxCutoff = smallestBoxL / 2.0;
140 >  for(i=0; i<3; i++)
141 >    for (j=0; j<3; j++) theBox[i][j] = Hmat[i][j]*scale;
142  
143 <  if (rList > maxCutoff) {
122 <    sprintf( painCave.errMsg,
123 <             "New Box size is forcing neighborlist radius down to %lf\n",
124 <             maxCutoff );
125 <    painCave.isFatal = 0;
126 <    simError();
143 >  setBoxM(theBox);
144  
145 <    rList = maxCutoff;
145 > }
146  
147 <    sprintf( painCave.errMsg,
148 <             "New Box size is forcing cutoff radius down to %lf\n",
149 <             maxCutoff - 1.0 );
150 <    painCave.isFatal = 0;
151 <    simError();
147 > void SimInfo::calcHmatInv( void ) {
148 >  
149 >  int i,j;
150 >  double smallDiag;
151 >  double tol;
152 >  double sanity[3][3];
153  
154 <    rCut = rList - 1.0;
154 >  invertMat3( Hmat, HmatInv );
155  
156 <    // list radius changed so we have to refresh the simulation structure.
139 <    refreshSim();
140 <  }
156 >  // Check the inverse to make sure it is sane:
157  
158 <  if (rCut > maxCutoff) {
159 <    sprintf( painCave.errMsg,
160 <             "New Box size is forcing cutoff radius down to %lf\n",
161 <             maxCutoff );
162 <    painCave.isFatal = 0;
163 <    simError();
164 <
165 <    status = 0;
166 <    LJ_new_rcut(&rCut, &status);
167 <    if (status != 0) {
168 <      sprintf( painCave.errMsg,
169 <               "Error in recomputing LJ shifts based on new rcut\n");
170 <      painCave.isFatal = 1;
171 <      simError();
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   }
159 –
179  
180 < void SimInfo::getBox(double theBox[9]) {
180 > double SimInfo::matDet3(double a[3][3]) {
181 >  int i, j, k;
182 >  double determinant;
183  
184 <  int i;
164 <  for(i=0; i<9; i++) theBox[i] = Hmat[i];
165 < }
166 <
184 >  determinant = 0.0;
185  
186 < void SimInfo::calcHmatI( void ) {
186 >  for(i = 0; i < 3; i++) {
187 >    j = (i+1)%3;
188 >    k = (i+2)%3;
189  
190 <  double C[3][3];
191 <  double detHmat;
172 <  int i, j, k;
190 >    determinant += a[0][i] * (a[1][j]*a[2][k] - a[1][k]*a[2][j]);
191 >  }
192  
193 <  // calculate the adjunct of Hmat;
193 >  return determinant;
194 > }
195  
196 <  C[0][0] =  ( Hmat[4]*Hmat[8]) - (Hmat[7]*Hmat[5]);
197 <  C[1][0] = -( Hmat[1]*Hmat[8]) + (Hmat[7]*Hmat[2]);
198 <  C[2][0] =  ( Hmat[1]*Hmat[5]) - (Hmat[4]*Hmat[2]);
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 <  C[0][1] = -( Hmat[3]*Hmat[8]) + (Hmat[6]*Hmat[5]);
181 <  C[1][1] =  ( Hmat[0]*Hmat[8]) - (Hmat[6]*Hmat[2]);
182 <  C[2][1] = -( Hmat[0]*Hmat[5]) + (Hmat[3]*Hmat[2]);
201 >  determinant = matDet3( a );
202  
203 <  C[0][2] =  ( Hmat[3]*Hmat[7]) - (Hmat[6]*Hmat[4]);
204 <  C[1][2] = -( Hmat[0]*Hmat[7]) + (Hmat[6]*Hmat[1]);
205 <  C[2][2] =  ( Hmat[0]*Hmat[4]) - (Hmat[3]*Hmat[1]);
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 <  // calcutlate the determinant of Hmat
211 <  
212 <  detHmat = 0.0;
213 <  for(i=0; i<3; i++) detHmat += Hmat[i] * C[i][0];
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 <  // H^-1 = C^T / det(H)
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 <  i=0;
234 <  for(j=0; j<3; j++){
235 <    for(k=0; k<3; k++){
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 <      HmatI[i] = C[j][k] / detHmat;
243 <      i++;
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;
209 –  int i;
304  
305 <  // boxVol = h1 (dot) h2 (cross) h3
305 >  // boxVol = Determinant of Hmat
306  
307 <  boxVol = Hmat[0] * ( (Hmat[4]*Hmat[8]) - (Hmat[7]*Hmat[5]) )
214 <         + Hmat[1] * ( (Hmat[5]*Hmat[6]) - (Hmat[8]*Hmat[3]) )
215 <         + Hmat[2] * ( (Hmat[3]*Hmat[7]) - (Hmat[6]*Hmat[4]) );
307 >  boxVol = matDet3( Hmat );
308  
217 –
309    // boxLx
310    
311 <  dx = Hmat[0]; dy = Hmat[1]; dz = Hmat[2];
311 >  dx = Hmat[0][0]; dy = Hmat[1][0]; dz = Hmat[2][0];
312    dsq = dx*dx + dy*dy + dz*dz;
313 <  boxLx = sqrt( dsq );
313 >  boxL[0] = sqrt( dsq );
314 >  //maxCutoff = 0.5 * boxL[0];
315  
316    // boxLy
317    
318 <  dx = Hmat[3]; dy = Hmat[4]; dz = Hmat[5];
318 >  dx = Hmat[0][1]; dy = Hmat[1][1]; dz = Hmat[2][1];
319    dsq = dx*dx + dy*dy + dz*dz;
320 <  boxLy = sqrt( dsq );
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[6]; dy = Hmat[7]; dz = Hmat[8];
326 >  dx = Hmat[0][2]; dy = Hmat[1][2]; dz = Hmat[2][2];
327    dsq = dx*dx + dy*dy + dz*dz;
328 <  boxLz = sqrt( dsq );
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 < void SimInfo::wrapVector( double thePos[3] ){
339 > double SimInfo::calcMaxCutOff(){
340  
341 <  int i, j, k;
342 <  double scaled[3];
341 >  double ri[3], rj[3], rk[3];
342 >  double rij[3], rjk[3], rki[3];
343 >  double minDist;
344  
345 <  // calc the scaled coordinates.
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 <  for(i=0; i<3; i++)
358 <    scaled[i] = thePos[0]*Hmat[i] + thePos[1]*Hat[i+3] + thePos[3]*Hmat[i+6];
357 >  crossProduct3(ri,rj, rij);
358 >  distXY = dotProduct3(rk,rij) / length3(rij);
359  
360 <  // wrap the scaled coordinates
360 >  crossProduct3(rj,rk, rjk);
361 >  distYZ = dotProduct3(ri,rjk) / length3(rjk);
362  
363 <  for(i=0; i<3; i++)
364 <    scaled[i] -= (copysign(1,scaled[i]) * (int)(fabs(scaled[i]) + 0.5));
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, ndf;
411 >  int ndf_local;
412    
413    ndf_local = 3 * n_atoms + 3 * n_oriented - n_constraints;
414  
# Line 266 | Line 418 | int SimInfo::getNDF(){
418    ndf = ndf_local;
419   #endif
420  
421 <  ndf = ndf - 3;
421 >  ndf = ndf - 3 - nZconstraints;
422  
423    return ndf;
424   }
425  
426   int SimInfo::getNDFraw() {
427 <  int ndfRaw_local, ndfRaw;
427 >  int ndfRaw_local;
428  
429    // Raw degrees of freedom that we have to set
430    ndfRaw_local = 3 * n_atoms + 3 * n_oriented;
# Line 285 | Line 437 | int SimInfo::getNDFraw() {
437  
438    return ndfRaw;
439   }
440 <
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 <  
296 <  fInfo.rrf = 0.0;
297 <  fInfo.rt = 0.0;
463 >
464    fInfo.dielect = 0.0;
465  
300 –  fInfo.box[0] = box_x;
301 –  fInfo.box[1] = box_y;
302 –  fInfo.box[2] = box_z;
303 –
304 –  fInfo.rlist = rList;
305 –  fInfo.rcut = rCut;
306 –
466    if( useDipole ){
308 –    fInfo.rrf = ecr;
309 –    fInfo.rt = ecr - est;
467      if( useReactionField )fInfo.dielect = dielectric;
468    }
469  
# Line 352 | Line 509 | void SimInfo::refreshSim(){
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 + }

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