fix carrying_add and borrwing_sub

isaacholt100 · Sep 20, 2024 · 1eaa169 · 1eaa169
1 parent 7dd9370
commit 1eaa169
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/int/bigint_helpers.rs b/src/int/bigint_helpers.rs
@@ -7,7 +7,7 @@ macro_rules! impls {
             let (s1, o1) = self.overflowing_add(rhs);
             if carry {
                 let (s2, o2) = s1.overflowing_add(Self::ONE);
-                (s2, o1 || o2)
+                (s2, o1 ^ o2)
             } else {
                 (s1, o1)
             }
@@ -20,7 +20,7 @@ macro_rules! impls {
             let (s1, o1) = self.overflowing_sub(rhs);
             if borrow {
                 let (s2, o2) = s1.overflowing_sub(Self::ONE);
-                (s2, o1 || o2)
+                (s2, o1 ^ o2)
             } else {
                 (s1, o1)
             }