| 57 |
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#include "primitives/Bend.hpp" |
| 58 |
|
#include "primitives/Torsion.hpp" |
| 59 |
|
#include "primitives/Inversion.hpp" |
| 60 |
+ |
#include "parallel/ForceDecomposition.hpp" |
| 61 |
+ |
//#include "parallel/SerialDecomposition.hpp" |
| 62 |
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|
| 63 |
+ |
using namespace std; |
| 64 |
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namespace OpenMD { |
| 65 |
|
|
| 66 |
< |
ForceManager::ForceManager(SimInfo * info) : info_(info), |
| 67 |
< |
NBforcesInitialized_(false) { |
| 66 |
> |
ForceManager::ForceManager(SimInfo * info) : info_(info) { |
| 67 |
> |
|
| 68 |
> |
#ifdef IS_MPI |
| 69 |
> |
decomp_ = new ForceDecomposition(info_); |
| 70 |
> |
#else |
| 71 |
> |
// decomp_ = new SerialDecomposition(info); |
| 72 |
> |
#endif |
| 73 |
|
} |
| 74 |
< |
|
| 74 |
> |
|
| 75 |
|
void ForceManager::calcForces() { |
| 76 |
|
|
| 77 |
|
if (!info_->isFortranInitialized()) { |
| 78 |
|
info_->update(); |
| 79 |
+ |
interactionMan_->setSimInfo(info_); |
| 80 |
+ |
interactionMan_->initialize(); |
| 81 |
+ |
swfun_ = interactionMan_->getSwitchingFunction(); |
| 82 |
+ |
decomp_->distributeInitialData(); |
| 83 |
+ |
info_->setupFortran(); |
| 84 |
|
} |
| 85 |
|
|
| 86 |
< |
preCalculation(); |
| 87 |
< |
|
| 88 |
< |
calcShortRangeInteraction(); |
| 76 |
< |
|
| 77 |
< |
calcLongRangeInteraction(); |
| 78 |
< |
|
| 86 |
> |
preCalculation(); |
| 87 |
> |
shortRangeInteractions(); |
| 88 |
> |
longRangeInteractions(); |
| 89 |
|
postCalculation(); |
| 90 |
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|
| 91 |
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} |
| 97 |
|
Atom* atom; |
| 98 |
|
Molecule::RigidBodyIterator rbIter; |
| 99 |
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RigidBody* rb; |
| 100 |
+ |
Molecule::CutoffGroupIterator ci; |
| 101 |
+ |
CutoffGroup* cg; |
| 102 |
|
|
| 103 |
|
// forces are zeroed here, before any are accumulated. |
| 92 |
– |
// NOTE: do not rezero the forces in Fortran. |
| 104 |
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|
| 105 |
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for (mol = info_->beginMolecule(mi); mol != NULL; |
| 106 |
|
mol = info_->nextMolecule(mi)) { |
| 113 |
|
rb = mol->nextRigidBody(rbIter)) { |
| 114 |
|
rb->zeroForcesAndTorques(); |
| 115 |
|
} |
| 116 |
< |
|
| 116 |
> |
|
| 117 |
> |
if(info_->getNGlobalCutoffGroups() != info_->getNGlobalAtoms()){ |
| 118 |
> |
for(cg = mol->beginCutoffGroup(ci); cg != NULL; |
| 119 |
> |
cg = mol->nextCutoffGroup(ci)) { |
| 120 |
> |
//calculate the center of mass of cutoff group |
| 121 |
> |
cg->updateCOM(); |
| 122 |
> |
} |
| 123 |
> |
} |
| 124 |
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} |
| 125 |
< |
|
| 125 |
> |
|
| 126 |
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// Zero out the stress tensor |
| 127 |
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tau *= 0.0; |
| 128 |
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|
| 129 |
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} |
| 130 |
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|
| 131 |
< |
void ForceManager::calcShortRangeInteraction() { |
| 131 |
> |
void ForceManager::shortRangeInteractions() { |
| 132 |
|
Molecule* mol; |
| 133 |
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RigidBody* rb; |
| 134 |
|
Bond* bond; |
| 170 |
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RealType currBendPot = bend->getPotential(); |
| 171 |
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|
| 172 |
|
bendPotential += bend->getPotential(); |
| 173 |
< |
std::map<Bend*, BendDataSet>::iterator i = bendDataSets.find(bend); |
| 173 |
> |
map<Bend*, BendDataSet>::iterator i = bendDataSets.find(bend); |
| 174 |
|
if (i == bendDataSets.end()) { |
| 175 |
|
BendDataSet dataSet; |
| 176 |
|
dataSet.prev.angle = dataSet.curr.angle = angle; |
| 177 |
|
dataSet.prev.potential = dataSet.curr.potential = currBendPot; |
| 178 |
|
dataSet.deltaV = 0.0; |
| 179 |
< |
bendDataSets.insert(std::map<Bend*, BendDataSet>::value_type(bend, dataSet)); |
| 179 |
> |
bendDataSets.insert(map<Bend*, BendDataSet>::value_type(bend, dataSet)); |
| 180 |
|
}else { |
| 181 |
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i->second.prev.angle = i->second.curr.angle; |
| 182 |
|
i->second.prev.potential = i->second.curr.potential; |
| 193 |
|
torsion->calcForce(angle); |
| 194 |
|
RealType currTorsionPot = torsion->getPotential(); |
| 195 |
|
torsionPotential += torsion->getPotential(); |
| 196 |
< |
std::map<Torsion*, TorsionDataSet>::iterator i = torsionDataSets.find(torsion); |
| 196 |
> |
map<Torsion*, TorsionDataSet>::iterator i = torsionDataSets.find(torsion); |
| 197 |
|
if (i == torsionDataSets.end()) { |
| 198 |
|
TorsionDataSet dataSet; |
| 199 |
|
dataSet.prev.angle = dataSet.curr.angle = angle; |
| 200 |
|
dataSet.prev.potential = dataSet.curr.potential = currTorsionPot; |
| 201 |
|
dataSet.deltaV = 0.0; |
| 202 |
< |
torsionDataSets.insert(std::map<Torsion*, TorsionDataSet>::value_type(torsion, dataSet)); |
| 202 |
> |
torsionDataSets.insert(map<Torsion*, TorsionDataSet>::value_type(torsion, dataSet)); |
| 203 |
|
}else { |
| 204 |
|
i->second.prev.angle = i->second.curr.angle; |
| 205 |
|
i->second.prev.potential = i->second.curr.potential; |
| 209 |
|
i->second.prev.potential); |
| 210 |
|
} |
| 211 |
|
} |
| 212 |
< |
|
| 212 |
> |
|
| 213 |
|
for (inversion = mol->beginInversion(inversionIter); |
| 214 |
|
inversion != NULL; |
| 215 |
|
inversion = mol->nextInversion(inversionIter)) { |
| 217 |
|
inversion->calcForce(angle); |
| 218 |
|
RealType currInversionPot = inversion->getPotential(); |
| 219 |
|
inversionPotential += inversion->getPotential(); |
| 220 |
< |
std::map<Inversion*, InversionDataSet>::iterator i = inversionDataSets.find(inversion); |
| 220 |
> |
map<Inversion*, InversionDataSet>::iterator i = inversionDataSets.find(inversion); |
| 221 |
|
if (i == inversionDataSets.end()) { |
| 222 |
|
InversionDataSet dataSet; |
| 223 |
|
dataSet.prev.angle = dataSet.curr.angle = angle; |
| 224 |
|
dataSet.prev.potential = dataSet.curr.potential = currInversionPot; |
| 225 |
|
dataSet.deltaV = 0.0; |
| 226 |
< |
inversionDataSets.insert(std::map<Inversion*, InversionDataSet>::value_type(inversion, dataSet)); |
| 226 |
> |
inversionDataSets.insert(map<Inversion*, InversionDataSet>::value_type(inversion, dataSet)); |
| 227 |
|
}else { |
| 228 |
|
i->second.prev.angle = i->second.curr.angle; |
| 229 |
|
i->second.prev.potential = i->second.curr.potential; |
| 242 |
|
curSnapshot->statData[Stats::BOND_POTENTIAL] = bondPotential; |
| 243 |
|
curSnapshot->statData[Stats::BEND_POTENTIAL] = bendPotential; |
| 244 |
|
curSnapshot->statData[Stats::DIHEDRAL_POTENTIAL] = torsionPotential; |
| 245 |
< |
curSnapshot->statData[Stats::INVERSION_POTENTIAL] = inversionPotential; |
| 228 |
< |
|
| 245 |
> |
curSnapshot->statData[Stats::INVERSION_POTENTIAL] = inversionPotential; |
| 246 |
|
} |
| 247 |
|
|
| 248 |
< |
void ForceManager::calcLongRangeInteraction() { |
| 232 |
< |
Snapshot* curSnapshot; |
| 233 |
< |
DataStorage* config; |
| 234 |
< |
RealType* frc; |
| 235 |
< |
RealType* pos; |
| 236 |
< |
RealType* trq; |
| 237 |
< |
RealType* A; |
| 238 |
< |
RealType* electroFrame; |
| 239 |
< |
RealType* rc; |
| 240 |
< |
RealType* particlePot; |
| 241 |
< |
|
| 242 |
< |
//get current snapshot from SimInfo |
| 243 |
< |
curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot(); |
| 244 |
< |
|
| 245 |
< |
//get array pointers |
| 246 |
< |
config = &(curSnapshot->atomData); |
| 247 |
< |
frc = config->getArrayPointer(DataStorage::dslForce); |
| 248 |
< |
pos = config->getArrayPointer(DataStorage::dslPosition); |
| 249 |
< |
trq = config->getArrayPointer(DataStorage::dslTorque); |
| 250 |
< |
A = config->getArrayPointer(DataStorage::dslAmat); |
| 251 |
< |
electroFrame = config->getArrayPointer(DataStorage::dslElectroFrame); |
| 252 |
< |
particlePot = config->getArrayPointer(DataStorage::dslParticlePot); |
| 248 |
> |
void ForceManager::longRangeInteractions() { |
| 249 |
|
|
| 250 |
< |
//calculate the center of mass of cutoff group |
| 251 |
< |
SimInfo::MoleculeIterator mi; |
| 252 |
< |
Molecule* mol; |
| 253 |
< |
Molecule::CutoffGroupIterator ci; |
| 254 |
< |
CutoffGroup* cg; |
| 255 |
< |
Vector3d com; |
| 256 |
< |
std::vector<Vector3d> rcGroup; |
| 257 |
< |
|
| 258 |
< |
if(info_->getNCutoffGroups() > 0){ |
| 259 |
< |
|
| 260 |
< |
for (mol = info_->beginMolecule(mi); mol != NULL; |
| 261 |
< |
mol = info_->nextMolecule(mi)) { |
| 262 |
< |
for(cg = mol->beginCutoffGroup(ci); cg != NULL; |
| 263 |
< |
cg = mol->nextCutoffGroup(ci)) { |
| 268 |
< |
cg->getCOM(com); |
| 269 |
< |
rcGroup.push_back(com); |
| 270 |
< |
} |
| 271 |
< |
}// end for (mol) |
| 272 |
< |
|
| 273 |
< |
rc = rcGroup[0].getArrayPointer(); |
| 250 |
> |
// some of this initial stuff will go away: |
| 251 |
> |
Snapshot* curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot(); |
| 252 |
> |
DataStorage* config = &(curSnapshot->atomData); |
| 253 |
> |
DataStorage* cgConfig = &(curSnapshot->cgData); |
| 254 |
> |
RealType* frc = config->getArrayPointer(DataStorage::dslForce); |
| 255 |
> |
RealType* pos = config->getArrayPointer(DataStorage::dslPosition); |
| 256 |
> |
RealType* trq = config->getArrayPointer(DataStorage::dslTorque); |
| 257 |
> |
RealType* A = config->getArrayPointer(DataStorage::dslAmat); |
| 258 |
> |
RealType* electroFrame = config->getArrayPointer(DataStorage::dslElectroFrame); |
| 259 |
> |
RealType* particlePot = config->getArrayPointer(DataStorage::dslParticlePot); |
| 260 |
> |
RealType* rc; |
| 261 |
> |
|
| 262 |
> |
if(info_->getNGlobalCutoffGroups() != info_->getNGlobalAtoms()){ |
| 263 |
> |
rc = cgConfig->getArrayPointer(DataStorage::dslPosition); |
| 264 |
|
} else { |
| 265 |
|
// center of mass of the group is the same as position of the atom |
| 266 |
|
// if cutoff group does not exist |
| 275 |
|
for (int i=0; i<LR_POT_TYPES;i++){ |
| 276 |
|
longRangePotential[i]=0.0; //Initialize array |
| 277 |
|
} |
| 278 |
< |
|
| 279 |
< |
doForceLoop(pos, |
| 280 |
< |
rc, |
| 281 |
< |
A, |
| 282 |
< |
electroFrame, |
| 283 |
< |
frc, |
| 284 |
< |
trq, |
| 285 |
< |
tau.getArrayPointer(), |
| 286 |
< |
longRangePotential, |
| 287 |
< |
particlePot, |
| 288 |
< |
&isError ); |
| 289 |
< |
|
| 290 |
< |
if( isError ){ |
| 291 |
< |
sprintf( painCave.errMsg, |
| 292 |
< |
"Error returned from the fortran force calculation.\n" ); |
| 293 |
< |
painCave.isFatal = 1; |
| 294 |
< |
simError(); |
| 278 |
> |
|
| 279 |
> |
// new stuff starts here: |
| 280 |
> |
|
| 281 |
> |
decomp_->distributeData(); |
| 282 |
> |
|
| 283 |
> |
int cg1, cg2, atom1, atom2; |
| 284 |
> |
Vector3d d_grp, dag; |
| 285 |
> |
RealType rgrpsq, rgrp; |
| 286 |
> |
Vector<RealType, 4> vij; |
| 287 |
> |
Vector3d fij, fg; |
| 288 |
> |
pair<int, int> gtypes; |
| 289 |
> |
RealType rCutSq; |
| 290 |
> |
bool in_switching_region; |
| 291 |
> |
RealType sw, dswdr, swderiv; |
| 292 |
> |
vector<int> atomListI, atomListJ, atomList; |
| 293 |
> |
InteractionData idat; |
| 294 |
> |
SelfData sdat; |
| 295 |
> |
RealType mf; |
| 296 |
> |
|
| 297 |
> |
int loopStart, loopEnd; |
| 298 |
> |
|
| 299 |
> |
loopEnd = PAIR_LOOP; |
| 300 |
> |
if (info_->requiresPrepair() ) { |
| 301 |
> |
loopStart = PREPAIR_LOOP; |
| 302 |
> |
} else { |
| 303 |
> |
loopStart = PAIR_LOOP; |
| 304 |
|
} |
| 305 |
+ |
|
| 306 |
+ |
for (int iLoop = loopStart; iLoop < loopEnd; iLoop++) { |
| 307 |
+ |
|
| 308 |
+ |
if (iLoop == loopStart) { |
| 309 |
+ |
bool update_nlist = decomp_->checkNeighborList(); |
| 310 |
+ |
if (update_nlist) |
| 311 |
+ |
neighborList = decomp_->buildNeighborList(); |
| 312 |
+ |
} |
| 313 |
+ |
|
| 314 |
+ |
for (vector<pair<int, int> >::iterator it = neighborList.begin(); |
| 315 |
+ |
it != neighborList.end(); ++it) { |
| 316 |
+ |
|
| 317 |
+ |
cg1 = (*it).first; |
| 318 |
+ |
cg2 = (*it).second; |
| 319 |
+ |
|
| 320 |
+ |
gtypes = decomp_->getGroupTypes(cg1, cg2); |
| 321 |
+ |
d_grp = decomp_->getIntergroupVector(cg1, cg2); |
| 322 |
+ |
curSnapshot->wrapVector(d_grp); |
| 323 |
+ |
rgrpsq = d_grp.lengthSquare(); |
| 324 |
+ |
rCutSq = groupCutoffMap[gtypes].first; |
| 325 |
+ |
|
| 326 |
+ |
if (rgrpsq < rCutSq) { |
| 327 |
+ |
idat.rcut = groupCutoffMap[gtypes].second; |
| 328 |
+ |
if (iLoop == PAIR_LOOP) { |
| 329 |
+ |
vij *= 0.0; |
| 330 |
+ |
fij = V3Zero; |
| 331 |
+ |
} |
| 332 |
+ |
|
| 333 |
+ |
in_switching_region = swfun_->getSwitch(rgrpsq, idat.sw, dswdr, rgrp); |
| 334 |
+ |
atomListI = decomp_->getAtomsInGroupI(cg1); |
| 335 |
+ |
atomListJ = decomp_->getAtomsInGroupJ(cg2); |
| 336 |
+ |
|
| 337 |
+ |
for (vector<int>::iterator ia = atomListI.begin(); |
| 338 |
+ |
ia != atomListI.end(); ++ia) { |
| 339 |
+ |
atom1 = (*ia); |
| 340 |
+ |
|
| 341 |
+ |
for (vector<int>::iterator jb = atomListJ.begin(); |
| 342 |
+ |
jb != atomListJ.end(); ++jb) { |
| 343 |
+ |
atom2 = (*jb); |
| 344 |
+ |
|
| 345 |
+ |
if (!decomp_->skipAtomPair(atom1, atom2)) { |
| 346 |
+ |
|
| 347 |
+ |
idat = decomp_->fillInteractionData(atom1, atom2); |
| 348 |
+ |
|
| 349 |
+ |
if (atomListI.size() == 1 && atomListJ.size() == 1) { |
| 350 |
+ |
idat.d = d_grp; |
| 351 |
+ |
idat.r2 = rgrpsq; |
| 352 |
+ |
} else { |
| 353 |
+ |
idat.d = decomp_->getInteratomicVector(atom1, atom2); |
| 354 |
+ |
curSnapshot->wrapVector(idat.d); |
| 355 |
+ |
idat.r2 = idat.d.lengthSquare(); |
| 356 |
+ |
} |
| 357 |
+ |
|
| 358 |
+ |
idat.rij = sqrt(idat.r2); |
| 359 |
+ |
|
| 360 |
+ |
if (iLoop == PREPAIR_LOOP) { |
| 361 |
+ |
interactionMan_->doPrePair(idat); |
| 362 |
+ |
} else { |
| 363 |
+ |
interactionMan_->doPair(idat); |
| 364 |
+ |
vij += idat.vpair; |
| 365 |
+ |
fij += idat.f1; |
| 366 |
+ |
tau -= outProduct(idat.d, idat.f1); |
| 367 |
+ |
} |
| 368 |
+ |
} |
| 369 |
+ |
} |
| 370 |
+ |
} |
| 371 |
+ |
|
| 372 |
+ |
if (iLoop == PAIR_LOOP) { |
| 373 |
+ |
if (in_switching_region) { |
| 374 |
+ |
swderiv = vij * dswdr / rgrp; |
| 375 |
+ |
fg = swderiv * d_grp; |
| 376 |
+ |
|
| 377 |
+ |
fij += fg; |
| 378 |
+ |
|
| 379 |
+ |
if (atomListI.size() == 1 && atomListJ.size() == 1) { |
| 380 |
+ |
tau -= outProduct(idat.d, fg); |
| 381 |
+ |
} |
| 382 |
+ |
|
| 383 |
+ |
for (vector<int>::iterator ia = atomListI.begin(); |
| 384 |
+ |
ia != atomListI.end(); ++ia) { |
| 385 |
+ |
atom1 = (*ia); |
| 386 |
+ |
mf = decomp_->getMfactI(atom1); |
| 387 |
+ |
// fg is the force on atom ia due to cutoff group's |
| 388 |
+ |
// presence in switching region |
| 389 |
+ |
fg = swderiv * d_grp * mf; |
| 390 |
+ |
decomp_->addForceToAtomI(atom1, fg); |
| 391 |
+ |
|
| 392 |
+ |
if (atomListI.size() > 1) { |
| 393 |
+ |
if (info_->usesAtomicVirial()) { |
| 394 |
+ |
// find the distance between the atom |
| 395 |
+ |
// and the center of the cutoff group: |
| 396 |
+ |
dag = decomp_->getAtomToGroupVectorI(atom1, cg1); |
| 397 |
+ |
tau -= outProduct(dag, fg); |
| 398 |
+ |
} |
| 399 |
+ |
} |
| 400 |
+ |
} |
| 401 |
+ |
for (vector<int>::iterator jb = atomListJ.begin(); |
| 402 |
+ |
jb != atomListJ.end(); ++jb) { |
| 403 |
+ |
atom2 = (*jb); |
| 404 |
+ |
mf = decomp_->getMfactJ(atom2); |
| 405 |
+ |
// fg is the force on atom jb due to cutoff group's |
| 406 |
+ |
// presence in switching region |
| 407 |
+ |
fg = -swderiv * d_grp * mf; |
| 408 |
+ |
decomp_->addForceToAtomJ(atom2, fg); |
| 409 |
+ |
|
| 410 |
+ |
if (atomListJ.size() > 1) { |
| 411 |
+ |
if (info_->usesAtomicVirial()) { |
| 412 |
+ |
// find the distance between the atom |
| 413 |
+ |
// and the center of the cutoff group: |
| 414 |
+ |
dag = decomp_->getAtomToGroupVectorJ(atom2, cg2); |
| 415 |
+ |
tau -= outProduct(dag, fg); |
| 416 |
+ |
} |
| 417 |
+ |
} |
| 418 |
+ |
} |
| 419 |
+ |
} |
| 420 |
+ |
//if (!SIM_uses_AtomicVirial) { |
| 421 |
+ |
// tau -= outProduct(d_grp, fij); |
| 422 |
+ |
//} |
| 423 |
+ |
} |
| 424 |
+ |
} |
| 425 |
+ |
} |
| 426 |
+ |
|
| 427 |
+ |
if (iLoop == PREPAIR_LOOP) { |
| 428 |
+ |
if (info_->requiresPrepair()) { |
| 429 |
+ |
decomp_->collectIntermediateData(); |
| 430 |
+ |
atomList = decomp_->getAtomList(); |
| 431 |
+ |
for (vector<int>::iterator ia = atomList.begin(); |
| 432 |
+ |
ia != atomList.end(); ++ia) { |
| 433 |
+ |
atom1 = (*ia); |
| 434 |
+ |
sdat = decomp_->fillSelfData(atom1); |
| 435 |
+ |
interactionMan_->doPreForce(sdat); |
| 436 |
+ |
} |
| 437 |
+ |
decomp_->distributeIntermediateData(); |
| 438 |
+ |
} |
| 439 |
+ |
} |
| 440 |
+ |
|
| 441 |
+ |
} |
| 442 |
+ |
|
| 443 |
+ |
decomp_->collectData(); |
| 444 |
+ |
|
| 445 |
+ |
if (info_->requiresSkipCorrection() || info_->requiresSelfCorrection()) { |
| 446 |
+ |
atomList = decomp_->getAtomList(); |
| 447 |
+ |
for (vector<int>::iterator ia = atomList.begin(); |
| 448 |
+ |
ia != atomList.end(); ++ia) { |
| 449 |
+ |
atom1 = (*ia); |
| 450 |
+ |
|
| 451 |
+ |
if (info_->requiresSkipCorrection()) { |
| 452 |
+ |
vector<int> skipList = decomp_->getSkipsForAtom(atom1); |
| 453 |
+ |
for (vector<int>::iterator jb = skipList.begin(); |
| 454 |
+ |
jb != skipList.end(); ++jb) { |
| 455 |
+ |
atom2 = (*jb); |
| 456 |
+ |
idat = decomp_->fillSkipData(atom1, atom2); |
| 457 |
+ |
interactionMan_->doSkipCorrection(idat); |
| 458 |
+ |
} |
| 459 |
+ |
} |
| 460 |
+ |
|
| 461 |
+ |
if (info_->requiresSelfCorrection()) { |
| 462 |
+ |
sdat = decomp_->fillSelfData(atom1); |
| 463 |
+ |
interactionMan_->doSelfCorrection(sdat); |
| 464 |
+ |
} |
| 465 |
+ |
|
| 466 |
+ |
|
| 467 |
+ |
} |
| 468 |
+ |
|
| 469 |
|
for (int i=0; i<LR_POT_TYPES;i++){ |
| 470 |
|
lrPot += longRangePotential[i]; //Quick hack |
| 471 |
|
} |