* java/math/BigInteger.java(signum): Handle zero properly.

[pf3gnuchains/gcc-fork.git] / libjava / java / math / BigInteger.java

diff --git a/libjava/java/math/BigInteger.java b/libjava/java/math/BigInteger.java
index 55e3050..69e7f68 100644 (file)
--- a/libjava/java/math/BigInteger.java
+++ b/libjava/java/math/BigInteger.java
@@ -285,7 +285,9 @@ public class BigInteger extends Number implements Comparable
   public int signum()
   {
     int top = words == null ? ival : words[ival-1];
-    return top > 0 ? 1 : top < 0 ? -1 : 0;
+    if (top == 0 && words == null)
+      return 0;
+    return top < 0 ? -1 : 1;
   }
 
   private static int compareTo(BigInteger x, BigInteger y)