X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=Adders.hs;h=f35021c96fec00580168dc54c2ef4a2f7fe715a9;hb=ed6bb401ef9c3726084f9477e01228466d34e29c;hp=71d38dc4197293febaaca3917998fc8cf94841e2;hpb=1c8b70b006a44dfd4931ab726a0859b79029544d;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/Adders.hs b/Adders.hs
index 71d38dc..f35021c 100644
--- a/Adders.hs
+++ b/Adders.hs
@@ -42,9 +42,9 @@ half_adder (a, b) =
 full_adder :: (Bit, Bit, Bit) -> (Bit, Bit)
 full_adder (a, b, cin) = (s, c)
   where
-    x = a `hwxor` b
-    s = x `hwxor` cin
-    c = a `hwand` b `hwor` (cin `hwand` x)
+    (s1, c1) = half_adder(a, b)
+    (s, c2)  = half_adder(s1, cin)
+    c        = c1 `hwor` c2
 
 -- Four bit adder
 -- Explicit version