Prevent underflow with saturating_sub(1) (#812) (#817)

2025-04-01 09:51:03 +02:00
parent 176c3bae14
commit 3855592447
2 changed files with 5 additions and 4 deletions
--- a/src/dynamics/solver/interaction_groups.rs
+++ b/src/dynamics/solver/interaction_groups.rs
@@ -58,8 +58,9 @@ impl ParallelInteractionGroups {
        let range = self.groups[i]..self.groups[i + 1];
        &self.sorted_interactions[range]
    }
+
    pub fn num_groups(&self) -> usize {
-        self.groups.len() - 1
+        self.groups.len().saturating_sub(1)
    }

    pub fn group_interactions<Interaction: PairInteraction>(