.. _utilities: Utility Functions ================= ``rs.utils`` contains symmetry/spacegroup-related operations that serve as the foundation for much of the crystallographic support provided by ``reciprocalspaceship``. These methods are not considered to be user-facing, but they are documented here because they may be useful for composing new methods or algorithms. .. Note:: In most cases, these functions are written to operate on and return ``NumPy`` arrays. This was chosen to ensure that these methods are performant, and can be largely independent of any interface decisions related to ``rs.DataSet`` or ``pandas``. .. automodule:: reciprocalspaceship.utils :autosummary: