bic_vmf_mix             Fitting mixtures of von Mises-Fisher
                        distributions
bw_dir_cv               Cross-validation bandwidth selectors for
                        directional data
bw_dir_pi               Plug-in bandwidth selectors for directional
                        data
c_h                     Normalizing constant and moments of a
                        directional kernel
int_dir                 Integration routines on the hypersphere
kde_dir                 Directional kernel density estimator
lebedev                 Lebedev quadrature on the sphere
log_besselI_scaled      Stable evaluation of the scaled log-Bessel
                        function
log_c_vmf               (Log) von Mises-Fisher normalizing constant
normalize               Normalization onto the hypersphere
to_rad                  Polar and spherical coordinates
vmf                     Von Mises-Fisher distribution utilities
w_q                     Surface area of the hypersphere
