Merge branch 'main' into dev

src/utils/poly.rs

@@ -311,6 +311,22 @@ impl Polynomial {
             }
         }
 
+        while !self.polynomial.is_empty()
+            && self
+                .polynomial
+                .last()
+                .unwrap()
+                .as_ref()
+                .iter()
+                .all(|&x| x == 0)
+        {
+            self.polynomial.pop();
+        }
+
+        if self.is_empty() {
+            self = Polynomial::new(vec![FieldElement::new(vec![0; 16])]);
+        }
+
         self
     }
 }