node_to_string     45 src/grid_GridAndTime_impl.cpp   const auto node_as_string = node_to_string(node, digit_precision);
node_to_string    206 src/grid_GridAndTime_impl.cpp   return node_to_string(string_to_node(str_node), precision);
node_to_string    196 src/grid_GridAndTime_impl.h     std::string node_to_string(const Evolving_grid::Node&, const int precision);