16 std::vector<index_t> point_indices;
17 std::vector<index_t> grad_point_indices;
18 std::vector<bool> inner_point;
19 std::vector<bool> inner_grad_point;
22 index_t grad_size()
const;
23 index_t mixed_size()
const;
28 void merge_poly_points(
const std::vector<index_t>& poly_point_idcs);