pub unsafe extern "C" fn igraph_layout_davidson_harel(
graph: *const igraph_t,
res: *mut igraph_matrix_t,
use_seed: igraph_bool_t,
maxiter: igraph_int_t,
fineiter: igraph_int_t,
cool_fact: igraph_real_t,
weight_node_dist: igraph_real_t,
weight_border: igraph_real_t,
weight_edge_lengths: igraph_real_t,
weight_edge_crossings: igraph_real_t,
weight_node_edge_dist: igraph_real_t,
) -> igraph_error_t