1 files changed, 6 insertions, 0 deletions
diff --git a/src/tsp_approx.rs b/src/tsp_approx.rs
index 097fee7..4484b91 100644
--- a/src/tsp_approx.rs
+++ b/src/tsp_approx.rs
@@ -403,6 +403,12 @@ pub(crate) fn tsp<M>(
 where
     M: MetricElem,
 {
+    match embeds.len() {
+        0 => return (vec![], 0.0),
+        1 => return (vec![0], 0.0),
+        _ => (),
+    }
+
     let bar = ProgressBar::new_spinner();
     bar.set_style(ProgressStyle::with_template("{spinner} {msg}").unwrap());
     bar.enable_steady_tick(std::time::Duration::from_millis(100));