transpose uses zip_iterator for minor efficiency boost
transpose uses zip_iterator for minor efficiency boost

sdalton1/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,cusplibrary/cusplibrary