Method SetUpPairWiseExchange

Filters/ParallelGeometry/vtkPDistributedDataFilter.cxx:1125–1152

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//------------------------------------------------------------------------------
void vtkPDistributedDataFilter::SetUpPairWiseExchange()
{
  TimeLog timer("SetUpPairWiseExchange", this->Timing);
  (void)timer;

  int iam = this->MyId;
  int nprocs = this->NumProcesses;

  delete[] this->Target;
  this->Target = nullptr;

  delete[] this->Source;
  this->Source = nullptr;

  if (nprocs == 1)
  {
    return;
  }

  this->Target = new int[nprocs - 1];
  this->Source = new int[nprocs - 1];

  for (int i = 1; i < nprocs; i++)
  {
    this->Target[i - 1] = (iam + i) % nprocs;
    this->Source[i - 1] = (iam + nprocs - i) % nprocs;
  }
}

//------------------------------------------------------------------------------
void vtkPDistributedDataFilter::FreeIntArrays(vtkIdTypeArray** ar)