1 files changed, 11 insertions, 0 deletions
diff --git a/src/dynamics/solver/interaction_groups.rs b/src/dynamics/solver/interaction_groups.rs
index 0f01798..6b8de5a 100644
--- a/src/dynamics/solver/interaction_groups.rs
+++ b/src/dynamics/solver/interaction_groups.rs
@@ -157,6 +157,17 @@ impl InteractionGroups {
         }
     }
 
+    #[cfg(not(feature = "parallel"))]
+    pub fn clear(&mut self) {
+        #[cfg(feature = "simd-is-enabled")]
+        {
+            self.buckets.clear();
+            self.body_masks.clear();
+            self.grouped_interactions.clear();
+        }
+        self.nongrouped_interactions.clear();
+    }
+
     // FIXME: there is a lot of duplicated code with group_manifolds here.
     // But we don't refactor just now because we may end up with distinct
     // grouping strategies in the future.