int particles::pidt::mappings::MoveParticles::moveParticlesOfOneVertexWithinCell(
int vertexIndex,
const peano::grid::VertexEnumerator& fineGridVerticesEnumerator
) {
#if defined(SharedTBB) && !defined(__WIN32__)
tbb::atomic<int> numberOfParticlesMoved;
#elif SharedOMP
#error not implemented yet
#else
int numberOfParticlesMoved;
#endif
numberOfParticlesMoved = 0;
ParticleHeap::HeapEntries& sourceVertexParticles = ParticleHeap::getInstance().getData(vertexIndex);
pfor(i,0,static_cast<int>(sourceVertexParticles.size()),200)
particles::pidt::records::Particle& currentParticle = sourceVertexParticles.at(i);
const bool particleHasNotBeenMovedYet =
currentParticle.getMovedParticle() != particles::pidt::records::Particle::Moved;
const bool particleIsContainedInCell = fineGridVerticesEnumerator.overlaps(
currentParticle._persistentRecords._x,
0.0
);
if (particleHasNotBeenMovedYet && particleIsContainedInCell) {
currentParticle._persistentRecords._x += (_state.getTimeStepSize() * currentParticle._persistentRecords._v);
currentParticle.setMovedParticle( particles::pidt::records::Particle::Moved );
reflectParticle(currentParticle);
numberOfParticlesMoved++;
}
endpfor
return numberOfParticlesMoved;
}
int particles::pidt::mappings::MoveParticles::moveParticlesOfOneVertexWithinCellIfTheyAreSorted(
int vertexIndex,
const peano::grid::VertexEnumerator& fineGridVerticesEnumerator
) {
ParticleHeap::HeapEntries& sourceVertexParticles = ParticleHeap::getInstance().getData(vertexIndex);
int numberOfParticlesMoved = 0;
int biggestIndexPointingToUnmovedParticle = static_cast<int>(sourceVertexParticles.size())-1;
int smallestIndexPointingToUnmovedParticle = 0;
while (
biggestIndexPointingToUnmovedParticle>=0 &&
sourceVertexParticles.at(biggestIndexPointingToUnmovedParticle).getMovedParticle() == particles::pidt::records::Particle::Moved
) {
biggestIndexPointingToUnmovedParticle--;
}
#ifdef Asserts
for (int i=0; i<biggestIndexPointingToUnmovedParticle; i++) {
assertion3(
sourceVertexParticles.at(i).getMovedParticle() != particles::pidt::records::Particle::Moved,
i,
biggestIndexPointingToUnmovedParticle,
sourceVertexParticles.at(i).toString()
);
}
#endif
logDebug(
"moveParticlesOfOneVertexWithinCellIfTheyAreSorted(...)",
"moved index from " << static_cast<int>(sourceVertexParticles.size())-1 <<
" to " << biggestIndexPointingToUnmovedParticle <<
": " << sourceVertexParticles.at(biggestIndexPointingToUnmovedParticle).toString() <<
" with first element " << sourceVertexParticles.at(smallestIndexPointingToUnmovedParticle).toString()
);
// has to be equals as the two might just have been exchanged
while (biggestIndexPointingToUnmovedParticle >= smallestIndexPointingToUnmovedParticle) {
particles::pidt::records::Particle& currentParticle = sourceVertexParticles.at(smallestIndexPointingToUnmovedParticle);
assertion( biggestIndexPointingToUnmovedParticle>=0 );
assertion( smallestIndexPointingToUnmovedParticle>=0 );
assertion( biggestIndexPointingToUnmovedParticle<static_cast<int>(sourceVertexParticles.size()) );
assertion( smallestIndexPointingToUnmovedParticle<static_cast<int>(sourceVertexParticles.size()) );
assertion4(
currentParticle.getMovedParticle() != particles::pidt::records::Particle::Moved ||
(smallestIndexPointingToUnmovedParticle==biggestIndexPointingToUnmovedParticle),
smallestIndexPointingToUnmovedParticle,
biggestIndexPointingToUnmovedParticle,
sourceVertexParticles.at(smallestIndexPointingToUnmovedParticle).toString(),
sourceVertexParticles.at(biggestIndexPointingToUnmovedParticle).toString()
);
const bool particleIsContainedInCell = fineGridVerticesEnumerator.overlaps(
currentParticle._persistentRecords._x,
0.0
);
if (particleIsContainedInCell) {
currentParticle._persistentRecords._x += (_state.getTimeStepSize() * currentParticle._persistentRecords._v);
currentParticle.setMovedParticle( particles::pidt::records::Particle::Moved );
reflectParticle(currentParticle);
if (smallestIndexPointingToUnmovedParticle!=biggestIndexPointingToUnmovedParticle) {
particles::pidt::records::Particle tmp = currentParticle;
currentParticle = sourceVertexParticles.at(biggestIndexPointingToUnmovedParticle);
sourceVertexParticles[biggestIndexPointingToUnmovedParticle] = tmp;
}
numberOfParticlesMoved++;
biggestIndexPointingToUnmovedParticle--;
}
else {
smallestIndexPointingToUnmovedParticle++;
}
}
return numberOfParticlesMoved;
}