C++ Interaction::getYRef方法代码示例

void EventDriven::updateIndexSetsWithDoubleCondition()
{

  assert(_nsds);
  assert(_nsds->topology());

  // for all Interactions in indexSet[i-1], compute y[i-1] and
  // update the indexSet[i]

  SP::Topology topo = _nsds->topology();

  SP::InteractionsGraph indexSet2 = topo->indexSet(2);

  InteractionsGraph::VIterator ui, uiend, vnext;
  std11::tie(ui, uiend) = indexSet2->vertices();

  for (vnext = ui; ui != uiend; ui = vnext)
  {
    ++vnext;

    SP::Interaction inter = indexSet2->bundle(*ui);
    double gamma = inter->getYRef(2);
    double F     = inter->getLambdaRef(2);
    if (fabs(F) < _TOL_ED)
      indexSet2->remove_vertex(inter);
    else if ((gamma < -_TOL_ED) || (F < -_TOL_ED))
      RuntimeException::selfThrow("EventDriven::updateIndexSetsWithDoubleCondition(), output[2] and lambda[2] for Interactionof indexSet[2] must be higher or equal to zero.");
    else if (((fabs(gamma) > _TOL_ED) && (fabs(F) > _TOL_ED)))
      RuntimeException::selfThrow("EventDriven::updateIndexSetsWithDoubleCondition(), something is wrong for the LCP resolution.");
  }
}

void EventDriven::updateIndexSet(unsigned int i)
{
  assert(_nsds);
  assert(_nsds->topology());
  SP::Topology topo = _nsds->topology();

  assert(i < topo->indexSetsSize() &&
         "EventDriven::updateIndexSet(i), indexSets[i] does not exist.");
  // IndexSets[0] must not be updated in simulation, since it belongs to Topology.
  assert(i > 0  &&
         "EventDriven::updateIndexSet(i=0), indexSets[0] cannot be updated.");

  // For all Interactions in indexSet[i-1], compute y[i-1] and
  // update the indexSet[i].
  SP::InteractionsGraph indexSet1 = topo->indexSet(1);
  SP::InteractionsGraph indexSet2 = topo->indexSet(2);
  assert(_indexSet0);
  assert(indexSet1);
  assert(indexSet2);

  // DEBUG_PRINTF("update indexSets start : indexSet0 size : %ld\n", indexSet0->size());
  // DEBUG_PRINTF("update IndexSets start : indexSet1 size : %ld\n", indexSet1->size());
  // DEBUG_PRINTF("update IndexSets start : indexSet2 size : %ld\n", indexSet2->size());

  InteractionsGraph::VIterator uibegin, uipend, uip;
  std11::tie(uibegin, uipend) = _indexSet0->vertices();
  // loop over all vertices of the indexSet[i-1]
  for (uip = uibegin; uip != uipend; ++uip)
  {
    SP::Interaction inter = _indexSet0->bundle(*uip);
    if (i == 1) // IndexSet[1]
    {
      // if indexSet[1]=>getYRef(0): output y
      // if indexSet[2]=>getYRef(1): output ydot
      double y = inter->getYRef(0); // output to define the IndexSets at this Interaction
      if (y < -_TOL_ED) // y[0] < 0
      {
        inter->display();
        cout << "y = " << y << " < -_TOL_ED =  "   << -_TOL_ED  <<endl;
        RuntimeException::selfThrow("EventDriven::updateIndexSet, output of level 0 must be positive!!! ");
      }
      // 1 - If the Interaction is not yet in the set
      if (!indexSet1->is_vertex(inter)) // Interaction is not yet in the indexSet[i]
      {
        if (fabs(y) <= _TOL_ED)
        {
          // vertex and edges insertions
          indexSet1->copy_vertex(inter, *_indexSet0);
        }
      }
      else // if the Interaction was already in the set
      {
        if (fabs(y) > _TOL_ED)
        {
          indexSet1->remove_vertex(inter); // remove the Interaction from IndexSet[1]
          inter->lambda(1)->zero(); // reset the lambda[1] to zero
        }
      }
    }
    else if (i == 2) // IndexSet[2]
    {
      if (indexSet1->is_vertex(inter)) // Interaction is in the indexSet[1]
      {
        double y = inter->getYRef(1); // output of level 1 at this Interaction
        if (!indexSet2->is_vertex(inter)) // Interaction is not yet in the indexSet[2]
        {
          if (fabs(y) <= _TOL_ED)
          {
            // vertex and edges insertions
            indexSet2->copy_vertex(inter, *_indexSet0);
          }
        }
        else // if the Interaction was already in the set
        {
          if (fabs(y) > _TOL_ED)
          {
            indexSet2->remove_vertex(inter); // remove the Interaction from IndexSet[1]
            inter->lambda(2)->zero(); // reset the lambda[i] to zero
          }
        }
      }
      else // Interaction is not in the indexSet[1]
      {
        if (indexSet2->is_vertex(inter)) // Interaction is in the indexSet[2]
        {
          indexSet2->remove_vertex(inter); // remove the Interaction from IndexSet[2]
          inter->lambda(2)->zero(); // reset the lambda[i] to zero
        }
      }
    }
    else
    {
      RuntimeException::selfThrow("EventDriven::updateIndexSet, IndexSet[i > 2] doesn't exist");
    }
  }

  // DEBUG_PRINTF("update indexSets end : indexSet0 size : %ld\n", indexSet0->size());
  // DEBUG_PRINTF("update IndexSets end : indexSet1 size : %ld\n", indexSet1->size());
  // DEBUG_PRINTF("update IndexSets end : indexSet2 size : %ld\n", indexSet2->size());
}