re PR libfortran/12839 (incorrect IO of Inf)

2004-06-27  Bud Davis  <bdavis9659@comcast.net>

        PR gfortran/12839
        * io/write.c (write_float): check signbit for Infinity.

From-SVN: r83757

libgfortran/ChangeLog

+2004-06-27  Bud Davis  <bdavis9659@comcast.net>
+
+	PR gfortran/12839
+	* io/write.c (write_float): check signbit for Infinity.
+
 2004-06-26  Bud Davis  <bdavis9659@comcast.net>
 
 	PR gfortran/16196

libgfortran/io/write.c

@@ -523,13 +523,13 @@ write_float (fnode *f, const char *source, int len)
          }
 
          memset(p, ' ', nb);
-         res = isinf (n);
+         res = isinf (n); 
          if (res != 0)
          {
-            if (res > 0)
-               fin = '+';
-            else
+            if (signbit(n))   
                fin = '-';
+            else
+               fin = '+';
 
             if (nb > 7)
                memcpy(p + nb - 8, "Infinity", 8);