message: helper: Implement Comm::GatherValues in terms of our encapsulation
diff: @@ -31,9 +31,8 @@ void Comm::GatherArrays(const size_t *source, size_t sourceCount,
  template <class T>
  std::vector<T> Comm::GatherValues(T source, int rankDestination) const
  {
  - int rank, size;
  - SMPI_Comm_rank(m_MPIComm, &rank);
  - SMPI_Comm_size(m_MPIComm, &size);
  + int rank = this->Rank();
  + int size = this->Size();
  std::vector<T> output;
  