PK_facet_degen_t    


typedef int PK_facet_degen_t;


This field can take any one of the following values.
    PK_facet_degen_multiple_vxs_c : output multiple vertices at degeneracies
    PK_facet_degen_single_vx_c    : output single vertex at degeneracies
    PK_facet_degen_average_parms_c: output average parameters at degeneracies