From c3f84a48c428067c72f74300fe3e8b218627ea17 Mon Sep 17 00:00:00 2001
From: Matt Paras <matthewparas2020@u.northwestern.edu>
Date: Sun, 27 Oct 2024 12:28:46 -0700
Subject: [PATCH] handle missing case for multiplication

---
 crates/steel-core/src/primitives/numbers.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/crates/steel-core/src/primitives/numbers.rs b/crates/steel-core/src/primitives/numbers.rs
index de0ddfd72..c1eca8b35 100644
--- a/crates/steel-core/src/primitives/numbers.rs
+++ b/crates/steel-core/src/primitives/numbers.rs
@@ -1365,6 +1365,14 @@ pub fn add_two(x: &SteelVal, y: &SteelVal) -> Result<SteelVal> {
             debug_assert!(realp(y));
             add_complex(x, &SteelComplex::new(y.clone(), SteelVal::IntV(0)))
         }
+        (SteelVal::BigRational(x), SteelVal::Rational(y)) => {
+            let mut res = BigRational::new(
+                BigInt::from(x.numer().clone()),
+                BigInt::from(x.denom().clone()),
+            );
+            res *= BigRational::new(BigInt::from(*y.numer()), BigInt::from(*y.denom()));
+            res.into_steelval()
+        }
         _ => unreachable!(),
     }
 }