Function tskit::bindings::tsk_tree_get_num_samples
source · pub unsafe extern "C" fn tsk_tree_get_num_samples(
self_: *const tsk_tree_t,
u: tsk_id_t,
ret_num_samples: *mut tsk_size_t
) -> c_int
Expand description
@brief Counts the number of samples in the subtree rooted at a node.
@rst Returns the number of samples descending from a particular node, including the node itself.
This is a constant time operation. @endrst
@param self A pointer to a tsk_tree_t object. @param u The tree node. @param ret_num_samples A tsk_size_t pointer to store the returned number of samples. @return 0 on success or a negative value on failure.