BiSM_v1 direct rotor-digitization simulation
relative-angle bins = 73
completed events per angle = 26353
maximum eventwise rotor-identity error =   6.10622664E-16
maximum E_Q_data error from -cos(theta) =   9.46498655E-03
RMS E_Q_data error from -cos(theta) =   3.42981982E-03

No Malus/Born probability is used in event generation.
R_k is digitized directly with a uniform threshold on [-1,+1).
E_Q_data is computed from (N_eq_data-N_neq_data)/N.
The Bell control independently gives the piecewise-linear triangle.
