pub unsafe extern "C" fn igraph_adjacency_spectral_embedding(
graph: *const igraph_t,
no: igraph_int_t,
weights: *const igraph_vector_t,
which: igraph_eigen_which_position_t,
scaled: igraph_bool_t,
X: *mut igraph_matrix_t,
Y: *mut igraph_matrix_t,
D: *mut igraph_vector_t,
cvec: *const igraph_vector_t,
options: *mut igraph_arpack_options_t,
) -> igraph_error_t