datum_pose_distance datum_pose_point datum_pose_rotation datum_pose_round distance_pose_geo distance_pose_pose distance_pose_stbox ensure_unit_norm ensure_valid_pose_geo ensure_valid_pose_pose ensure_valid_pose_stbox ensure_valid_poseset_pose ensure_valid_rotation hashlittle2 MAXPOSELEN pose_as_ewkt pose_as_hexwkb pose_as_text pose_as_wkb pose_cmp pose_collinear pose_copy pose_distance pose_eq pose_from_hexwkb pose_from_wkb pose_ge pose_gt pose_hash pose_hash_extended pose_in pose_le pose_lt pose_make_2d pose_make_3d pose_make_point2d pose_make_point3d pose_ne pose_nsame pose_orientation pose_out pose_parse pose_rotation pose_round pose_same pose_set_srid pose_srid pose_to_point pose_transf_pj pose_transform pose_transform_pipeline pose_wkt_out posearr_points posearr_round posesegm_interpolate posesegm_locate

ensure_valid_rotation() bool ensure_valid_rotation ( double  theta ) Ensure that a 3D orientation has a unit norm.