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root/group/trunk/OOPSE/libmdtools/Atom.cpp
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Comparing trunk/OOPSE/libmdtools/Atom.cpp (file contents):
Revision 413 by mmeineke, Wed Mar 26 21:54:49 2003 UTC vs.
Revision 999 by chrisfen, Fri Jan 30 15:01:09 2004 UTC

# Line 1 | Line 1
1 + #include <iostream>
2 +
3 + using namespace std;
4 +
5 + #include "simError.h"
6   #include "Atom.hpp"
7  
8 < double* Atom::pos; // the position array
9 < double* Atom::vel; // the velocity array
10 < double* Atom::frc; // the forc array
11 < double* Atom::trq; // the torque vector  ( space fixed )
7 < double* Atom::Amat; // the rotation matrix
8 < double* Atom::mu;   // the array of dipole moments
9 < double* Atom::ul;   // the lab frame unit directional vector
10 < int Atom::nElements;
8 > Atom::Atom(int theIndex, SimState* theConfig) {
9 >  
10 >  myConfig = theConfig;
11 >  hasCoords = false;
12  
12 – Atom::Atom(int theIndex) {
13    c_n_hyd = 0;
14    has_dipole = 0;
15    is_VDW = 0;
16    is_LJ = 0;
17 +  is_charged = 0;
18    
19    index = theIndex;
20 <  offset = 3 * index;
20 >  offset = 0;
21    offsetX = offset;
22    offsetY = offset+1;
23    offsetZ = offset+2;
24    
25 <  Axx = index*9;
25 >  Axx = 0;
26    Axy = Axx+1;
27    Axz = Axx+2;
28    
# Line 34 | Line 35 | void Atom::createArrays (int the_nElements) {
35    Azz = Axx+8;
36   }
37  
37 – void Atom::createArrays (int the_nElements) {
38 –  int i;
39 –  
40 –  nElements = the_nElements;
41 –
42 –  pos = new double[nElements*3];
43 –  vel = new double[nElements*3];
44 –  frc = new double[nElements*3];
45 –  trq = new double[nElements*3];
46 –  Amat = new double[nElements*9];
47 –  mu = new double[nElements];
48 –  ul = new double[nElements*3];
49 –  
50 –  // init directional values to zero
51 –  
52 –  for( i=0; i<nElements; i++){
53 –    trq[i] = 0.0;
54 –    trq[i+1] = 0.0;
55 –    trq[i+2] = 0.0;
56 –    
57 –    Amat[i] = 1.0;
58 –    Amat[i+1] = 0.0;
59 –    Amat[i+2] = 0.0;
60 –    
61 –    Amat[i+3] = 0.0;
62 –    Amat[i+4] = 1.0;
63 –    Amat[i+5] = 0.0;
64 –    
65 –    Amat[i+6] = 0.0;
66 –    Amat[i+7] = 0.0;
67 –    Amat[i+8] = 1.0;
68 –    
69 –    mu[i] = 0.0;    
70 –    
71 –    ul[i] = 1.0;
72 –    ul[i+1] = 0.0;
73 –    ul[i+2] = 0.0;
74 –  }
75 – }
76 –
77 – void Atom::destroyArrays(void) {
78 –  delete[] pos;
79 –  delete[] vel;
80 –  delete[] frc;
81 –  delete[] trq;
82 –  delete[] Amat;
83 –  delete[] mu;
84 – }
85 –
38   void Atom::setIndex(int theIndex) {
39    index = theIndex;
88 –  offset = index*3;
89 –  offsetX = offset;
90 –  offsetY = offset+1;
91 –  offsetZ = offset+2;
92 –  
93 –  Axx = index*9;
94 –  Axy = Axx+1;
95 –  Axz = Axx+2;
96 –  
97 –  Ayx = Axx+3;
98 –  Ayy = Axx+4;
99 –  Ayz = Axx+5;
100 –  
101 –  Azx = Axx+6;
102 –  Azy = Axx+7;
103 –  Azz = Axx+8;
40   }
41  
42 < void Atom::addAtoms(int nAdded, double* Apos, double* Avel, double* Afrc,
107 <                   double* Atrq, double* AAmat, double* Amu,
108 <                   double* Aul) {
42 > void Atom::setCoords(void){
43  
44 <  int nNew = nElements+nAdded;
44 >  if( myConfig->isAllocated() ){
45  
112 –  double* new_pos = new double[nNew*3];
113 –  double* new_vel = new double[nNew*3];
114 –  double* new_frc = new double[nNew*3];
115 –  double* new_trq = new double[nNew*3];
116 –  double* new_Amat = new double[nNew*9];
117 –  double* new_mu = new double[nNew];
118 –  double* new_ul = new double[nNew*3];
119 –  int i, j;
120 –  
121 –  for (i = 0; i < 3*nElements; i++) {
122 –    new_pos[i] = pos[i];
123 –    new_vel[i] = vel[i];
124 –    new_frc[i] = frc[i];
125 –    new_trq[i] = trq[i];
126 –    new_ul[i] = ul[i];
127 –  }
46  
47 <  for(i = 0; i < 3*nAdded; i++) {
48 <    j = i + 3*nElements;
49 <    new_pos[j] = Apos[i];
50 <    new_vel[j] = Avel[i];
51 <    new_frc[j] = Afrc[i];
52 <    new_trq[j] = Atrq[i];
53 <    new_ul[j] = Aul[i];
47 >    myConfig->getAtomPointers( index,
48 >                     &pos,
49 >                     &vel,
50 >                     &frc,
51 >                     &trq,
52 >                     &Amat,
53 >                     &mu,  
54 >                     &ul );
55    }
56 <
57 <  for (i = 0; i < 9*nElements; i++) {
58 <    new_Amat[i] = Amat[i];
56 >  else{
57 >    sprintf( painCave.errMsg,
58 >             "Attempted to set Atom %d  coordinates with an unallocated "
59 >             "SimState object.\n", index );
60 >    painCave.isFatal = 1;
61 >    simError();
62    }
63  
64 <  for(i = 0; i < 9*nAdded; i++) {
143 <    j = i + 9*nElements;
144 <    new_Amat[j] = AAmat[i];
145 <  }
64 >  hasCoords = true;
65  
147 –  for (i = 0; i < nElements; i++) {
148 –    new_mu[i] = mu[i];
149 –  }
150 –
151 –  for(i = 0; i < nAdded; i++) {
152 –    j = i + nElements;
153 –    new_mu[j] = Amu[i];
154 –  }
155 –
156 –  delete[] pos;
157 –  delete[] vel;
158 –  delete[] frc;
159 –  delete[] trq;
160 –  delete[] Amat;
161 –  delete[] mu;
162 –
163 –  pos = new_pos;
164 –  vel = new_vel;
165 –  frc = new_frc;
166 –  trq = new_trq;
167 –  ul = new_ul;
168 –  Amat = new_Amat;
169 –  mu = new_mu;
170 –
171 –  nElements = nNew;
66   }
67  
68 < void Atom::deleteAtom(int theIndex) {
69 <  deleteRange(theIndex, theIndex);
70 < }
68 > // void Atom::addAtoms(int nAdded, double* Apos, double* Avel, double* Afrc,
69 > //                    double* Atrq, double* AAmat, double* Amu,
70 > //                    double* Aul) {
71  
72 < void Atom::deleteRange(int startIndex, int stopIndex) {
179 <
180 <  int nNew = nElements-(stopIndex-startIndex+1);
72 > //   int nNew = nElements+nAdded;
73  
74 <  double* new_pos = new double[nNew*3];
75 <  double* new_vel = new double[nNew*3];
76 <  double* new_frc = new double[nNew*3];
77 <  double* new_trq = new double[nNew*3];
78 <  double* new_Amat = new double[nNew*9];
79 <  double* new_mu = new double[nNew];
80 <  double* new_ul = new double[nNew*3];
81 <  int i, j;
74 > //   double* new_pos = new double[nNew*3];
75 > //   double* new_vel = new double[nNew*3];
76 > //   double* new_frc = new double[nNew*3];
77 > //   double* new_trq = new double[nNew*3];
78 > //   double* new_Amat = new double[nNew*9];
79 > //   double* new_mu = new double[nNew];
80 > //   double* new_ul = new double[nNew*3];
81 > //   int i, j;
82    
83 <  for (i = 0; i < 3*startIndex; i++) {
84 <    new_pos[i] = pos[i];
85 <    new_vel[i] = vel[i];
86 <    new_frc[i] = frc[i];
87 <    new_trq[i] = trq[i];
88 <    new_ul[i] = ul[i];
89 <  }
83 > //   for (i = 0; i < 3*nElements; i++) {
84 > //     new_pos[i] = pos[i];
85 > //     new_vel[i] = vel[i];
86 > //     new_frc[i] = frc[i];
87 > //     new_trq[i] = trq[i];
88 > //     new_ul[i] = ul[i];
89 > //   }
90  
91 <  for(i = 3*(stopIndex + 1); i < 3*nElements; i++) {
92 <    j = i - 3*startIndex + 1;
93 <    new_pos[j] = pos[i];
94 <    new_vel[j] = vel[i];
95 <    new_frc[j] = frc[i];
96 <    new_trq[j] = trq[i];
97 <    new_ul[j] = ul[i];
98 <  }
91 > //   for(i = 0; i < 3*nAdded; i++) {
92 > //     j = i + 3*nElements;
93 > //     new_pos[j] = Apos[i];
94 > //     new_vel[j] = Avel[i];
95 > //     new_frc[j] = Afrc[i];
96 > //     new_trq[j] = Atrq[i];
97 > //     new_ul[j] = Aul[i];
98 > //   }
99  
100 <  for (i = 0; i < 9*startIndex; i++) {
101 <    new_Amat[i] = Amat[i];
102 <  }
100 > //   for (i = 0; i < 9*nElements; i++) {
101 > //     new_Amat[i] = Amat[i];
102 > //   }
103  
104 <  for(i = 9*(stopIndex + 1); i < 9*nElements; i++) {
105 <    j = i - 9*startIndex + 1;
106 <    new_Amat[j] = Amat[i];
107 <  }
104 > //   for(i = 0; i < 9*nAdded; i++) {
105 > //     j = i + 9*nElements;
106 > //     new_Amat[j] = AAmat[i];
107 > //   }
108  
109 <  for (i = 0; i < startIndex; i++) {
110 <    new_mu[i] = mu[i];
109 > //   for (i = 0; i < nElements; i++) {
110 > //     new_mu[i] = mu[i];
111 > //   }
112 >
113 > //   for(i = 0; i < nAdded; i++) {
114 > //     j = i + nElements;
115 > //     new_mu[j] = Amu[i];
116 > //   }
117 >
118 > //   delete[] pos;
119 > //   delete[] vel;
120 > //   delete[] frc;
121 > //   delete[] trq;
122 > //   delete[] Amat;
123 > //   delete[] mu;
124 >
125 > //   pos = new_pos;
126 > //   vel = new_vel;
127 > //   frc = new_frc;
128 > //   trq = new_trq;
129 > //   ul = new_ul;
130 > //   Amat = new_Amat;
131 > //   mu = new_mu;
132 >
133 > //   nElements = nNew;
134 > // }
135 >
136 > // void Atom::deleteAtom(int theIndex) {
137 > //   deleteRange(theIndex, theIndex);
138 > // }
139 >
140 > // void Atom::deleteRange(int startIndex, int stopIndex) {
141 >
142 > //   int nNew = nElements-(stopIndex-startIndex+1);
143 >
144 > //   double* new_pos = new double[nNew*3];
145 > //   double* new_vel = new double[nNew*3];
146 > //   double* new_frc = new double[nNew*3];
147 > //   double* new_trq = new double[nNew*3];
148 > //   double* new_Amat = new double[nNew*9];
149 > //   double* new_mu = new double[nNew];
150 > //   double* new_ul = new double[nNew*3];
151 > //   int i, j;
152 >  
153 > //   for (i = 0; i < 3*startIndex; i++) {
154 > //     new_pos[i] = pos[i];
155 > //     new_vel[i] = vel[i];
156 > //     new_frc[i] = frc[i];
157 > //     new_trq[i] = trq[i];
158 > //     new_ul[i] = ul[i];
159 > //   }
160 >
161 > //   for(i = 3*(stopIndex + 1); i < 3*nElements; i++) {
162 > //     j = i - 3*startIndex + 1;
163 > //     new_pos[j] = pos[i];
164 > //     new_vel[j] = vel[i];
165 > //     new_frc[j] = frc[i];
166 > //     new_trq[j] = trq[i];
167 > //     new_ul[j] = ul[i];
168 > //   }
169 >
170 > //   for (i = 0; i < 9*startIndex; i++) {
171 > //     new_Amat[i] = Amat[i];
172 > //   }
173 >
174 > //   for(i = 9*(stopIndex + 1); i < 9*nElements; i++) {
175 > //     j = i - 9*startIndex + 1;
176 > //     new_Amat[j] = Amat[i];
177 > //   }
178 >
179 > //   for (i = 0; i < startIndex; i++) {
180 > //     new_mu[i] = mu[i];
181 > //   }
182 >
183 > //   for(i = (stopIndex+1); i < nElements; i++) {
184 > //     j = i - startIndex + 1;
185 > //     new_mu[j] = mu[i];
186 > //   }
187 >
188 > //   delete[] pos;
189 > //   delete[] vel;
190 > //   delete[] frc;
191 > //   delete[] trq;
192 > //   delete[] Amat;
193 > //   delete[] mu;
194 >
195 > //   pos = new_pos;
196 > //   vel = new_vel;
197 > //   frc = new_frc;
198 > //   trq = new_trq;
199 > //   ul = new_ul;
200 > //   Amat = new_Amat;
201 > //   mu = new_mu;
202 >
203 > //   nElements = nNew;
204 > // }
205 >
206 >
207 > void Atom::getPos( double theP[3] ){
208 >  
209 >  if( hasCoords ){
210 >    theP[0] = pos[offsetX];
211 >    theP[1] = pos[offsetY];
212 >    theP[2] = pos[offsetZ];
213    }
214 +  else{
215  
216 <  for(i = (stopIndex+1); i < nElements; i++) {
217 <    j = i - startIndex + 1;
218 <    new_mu[j] = mu[i];
216 >    sprintf( painCave.errMsg,
217 >             "Attempt to get Pos for atom %d before coords set.\n",
218 >             index );
219 >    painCave.isFatal = 1;
220 >    simError();
221    }
222 + }
223  
224 <  delete[] pos;
225 <  delete[] vel;
226 <  delete[] frc;
227 <  delete[] trq;
228 <  delete[] Amat;
229 <  delete[] mu;
224 > void Atom::setPos( double theP[3] ){
225 >  
226 >  if( hasCoords ){
227 >    pos[offsetX] = theP[0];
228 >    pos[offsetY] = theP[1];
229 >    pos[offsetZ] = theP[2];
230 >  }
231 >  else{
232  
233 <  pos = new_pos;
234 <  vel = new_vel;
235 <  frc = new_frc;
236 <  trq = new_trq;
237 <  ul = new_ul;
238 <  Amat = new_Amat;
239 <  mu = new_mu;
233 >    sprintf( painCave.errMsg,
234 >             "Attempt to set Pos for atom %d before coords set.\n",
235 >             index );
236 >    painCave.isFatal = 1;
237 >    simError();
238 >  }
239 > }
240  
241 <  nElements = nNew;
241 > void Atom::getVel( double theV[3] ){
242 >  
243 >  if( hasCoords ){
244 >    theV[0] = vel[offsetX];
245 >    theV[1] = vel[offsetY];
246 >    theV[2] = vel[offsetZ];
247 >  }
248 >  else{
249 >    
250 >    sprintf( painCave.errMsg,
251 >             "Attempt to get vel for atom %d before coords set.\n",
252 >             index );
253 >    painCave.isFatal = 1;
254 >    simError();
255 >  }
256 >
257   }
258 +
259 + void Atom::setVel( double theV[3] ){
260 +  
261 +  if( hasCoords ){
262 +    vel[offsetX] = theV[0];
263 +    vel[offsetY] = theV[1];
264 +    vel[offsetZ] = theV[2];
265 +  }
266 +  else{
267 +    
268 +    sprintf( painCave.errMsg,
269 +             "Attempt to set vel for atom %d before coords set.\n",
270 +             index );
271 +    painCave.isFatal = 1;
272 +    simError();
273 +  }
274 + }
275 +
276 + void Atom::getFrc( double theF[3] ){
277 +  
278 +  if( hasCoords ){
279 +    theF[0] = frc[offsetX];
280 +    theF[1] = frc[offsetY];
281 +    theF[2] = frc[offsetZ];
282 +  }
283 +  else{
284 +    
285 +    sprintf( painCave.errMsg,
286 +             "Attempt to get frc for atom %d before coords set.\n",
287 +             index );
288 +    painCave.isFatal = 1;
289 +    simError();
290 +  }
291 + }
292 +
293 + void Atom::addFrc( double theF[3] ){
294 +  
295 +  if( hasCoords ){
296 +    frc[offsetX] += theF[0];
297 +    frc[offsetY] += theF[1];
298 +    frc[offsetZ] += theF[2];
299 +  }
300 +  else{
301 +    
302 +    sprintf( painCave.errMsg,
303 +             "Attempt to add frc for atom %d before coords set.\n",
304 +             index );
305 +    painCave.isFatal = 1;
306 +    simError();
307 +  }
308 + }
309 +
310 +
311 + void GeneralAtom::zeroForces( void ){
312 +  
313 +  
314 +  if( hasCoords ){
315 +    frc[offsetX] = 0.0;
316 +    frc[offsetY] = 0.0;
317 +    frc[offsetZ] = 0.0;
318 +  }
319 +  else{
320 +    
321 +    sprintf( painCave.errMsg,
322 +             "Attempt to zero frc for atom %d before coords set.\n",
323 +             index );
324 +    painCave.isFatal = 1;
325 +    simError();
326 +  }
327 + }

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