Update pallas-math/src/math.rs

Co-authored-by: Nicolas Di Prima <[email protected]>
Signed-off-by: Andrew Westberg <[email protected]>

pallas-math/src/math.rs

@@ -48,15 +48,19 @@ pub trait FixedPrecision:
     fn exp_cmp(&self, max_n: u64, bound_self: i64, compare: &Self) -> ExpCmpOrdering;
 
     /// Round to the nearest integer number
+    #[must_use]
     fn round(&self) -> Self;
 
     /// Round down to the nearest integer number
+    #[must_use]
     fn floor(&self) -> Self;
 
     /// Round up to the nearest integer number
+    #[must_use]
     fn ceil(&self) -> Self;
 
     /// Truncate to the nearest integer number
+    #[must_use]
     fn trunc(&self) -> Self;
 }