std::string read_binary_data(std::istream &is, bool swap, octave::mach_info::float_format fmt, const std::string &filename, bool &global, octave_value &tc, std::string &doc)
bool save_binary_data(std::ostream &os, const octave_value &tc, const std::string &name, const std::string &doc, bool mark_global, bool save_as_floats)