define_rpd_ome!(/// Gluon-gluon operator matrix element A_{gg,Q}.
////// This OME has regular, plus, and delta parts. It describes the
/// gluon-to-gluon transition through a heavy-quark loop.
////// # Example
////// ```
/// use libome_rs::AggQ;
////// let val = AggQ::reg(0.25, -5.0, 3.0, 0.5);
/// assert!(val.is_finite());
/// ```
AggQ,
AggQ
);