void BM_mesh_beautify_fill(BMesh *bm, BMEdge **edge_array, const int edge_array_len, const short flag, const short method, const short oflag_edge, const short oflag_face)
float BM_verts_calc_rotate_beauty(const BMVert *v1, const BMVert *v2, const BMVert *v3, const BMVert *v4, const short flag, const short method)