diff -r 2b13f8a0c8ba -r 22fd33834ab7 src/fe_model/p2_local_model.rs
--- a/src/fe_model/p2_local_model.rs	Mon May 12 20:40:14 2025 -0500
+++ b/src/fe_model/p2_local_model.rs	Mon May 12 21:56:42 2025 -0500
@@ -32,7 +32,7 @@
 impl<'a, F: Float> Set<Loc<1, F>> for RealInterval<F> {
     #[inline]
     fn contains<I: Instance<Loc<1, F>>>(&self, z: I) -> bool {
-        z.eval_ref_decompose(|&Loc([x])| {
+        z.eval(|&Loc([x])| {
             let &[Loc([x0]), Loc([x1])] = &self.0;
             (x0 < x && x < x1) || (x1 < x && x < x0)
         })