Module spherical_beta 

Functions

beta_d_k

Bennett-Gersho radial companding Beta shape beta_{d,k}.

radius_quantile

Radius quantile for codeword n in 1..=n_total.

radius_quantile_k2_closed_form

Paper closed-form radius path for k = 2.

sample_reference_projection

Sample by normalizing a Gaussian in R^d and projecting the first k coordinates.

sample_spherical_beta

Sample the canonical spherical-Beta k-block source.