modernize bigplus()

1 files changed, 13 insertions, 10 deletions

diff --git a/big.c b/big.c
index d1cff5f..919390d 100644
--- a/big.c
+++ b/big.c
@@ -100,21 +100,24 @@ word bignegate(word x)
   return make(INT, SIGNBIT | hd[x], tl[x]);
 }
 
-word bigplus(x, y)
-word x, y;
+word bigplus(word x, word y)
 {
-  if (big_is_positive(x))
-    if (big_is_positive(y))
+  if (big_is_positive(x)) {
+    if (big_is_positive(y)) {
       return (big_plus(x, y, 0));
-    else
-      return (big_sub(x, y));
-  else if (big_is_positive(y))
+    }
+    return (big_sub(x, y));
+  }
+
+  if (big_is_positive(y)) {
     return (big_sub(y, x));
-  else
-    return (big_plus(x, y, SIGNBIT));	/* both negative */
+  }
+
+  return (big_plus(x, y, SIGNBIT));	/* both negative */
 }
 
-word big_plus(x, y, signbit)	/* ignore input signs, treat x,y as positive */
+/* ignore input signs, treat x,y as positive */
+word big_plus(x, y, signbit)
 word x, y;
 int signbit;
 {