Method add_layer

src/models/model.cpp:462–494

// =============================================

void model::add_layer(OwningLayerPtr&& ptr)
{

  // Check for null pointer
  if (ptr == nullptr) {
    LBANN_ERROR("attempted to add a null pointer as layer to ",
                "model \"",
                get_name(),
                "\"");
  }

  // Check that the new layer name is unique
  // Note: Adding layers is O(n^2), but this is unlikely to be a
  // bottleneck. If it is, consider maintaining a hash table
  // containing all layer names (and properly updating it during
  // copies and pointer remaps).
  const auto& name = ptr->get_name();
  for (const auto& l : m_layers) {
    if (l->get_name() == name) {
      LBANN_ERROR("attempted to add layer \"",
                  name,
                  "\" to ",
                  "model \"",
                  get_name(),
                  "\", ",
                  "but the model already contains a layer with that name");
    }
  }

  // Add layer to model
  m_layers.emplace_back(std::move(ptr));
  m_layers.back()->set_model(this);
}

void model::add_weights(OwningWeightsPtr&& ptr)
{