fn weights(pol: u8, helicity: bool) -> [f64; 2]Expand description
Weights [weight_n, weight_m] of the N and M parts of polarization pol: parity
polarization 1 is N and 0 is M; helicity polarization pol is
(N + (2 pol - 1) M) / sqrt(2), as in treams.special.vsw_A.